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chore: sync fork main with upstream block/buzz main (161 commits) - #34

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Sep 25, 2026
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What

Merges upstream/main (201314885, 161 commits since the 2026-08-31 sync in #30) into fork main with a merge commit. The merge was clean: no conflicts, and no fork-owned path changed.

Why

Fork main is contractually an upstream tracker (FORK.md). Falling behind broke CI. Upstream moved the MinIO images from Docker Hub minio/minio and minio/mc to digest-pinned quay.io/minio/*, because the Docker Hub images are no longer pullable. Until this sync lands, the fork's Desktop E2E Integration fails at docker compose up with pull access denied for minio/mc, as seen on #33. I chose a sync over patching the compose files because the fork contract forbids modifying upstream-owned paths.

Layer

Upstream-owned source only. The fork deploys upstream's published, digest-pinned images (intent-os env master), so nothing here changes production.

Verification & evidence

  • scripts/fork-gates/check-additive-only.sh: additive-only OK vs upstream/main
  • scripts/fork-gates/check-must-survive.sh: must-survive set intact
  • git diff upstream/main touches only fork-allowlisted paths
  • CI on this PR runs upstream's matrix against the synced tree

Risk

Low for production: no deploy path. CI noise is possible from upstream-only lanes. Separately, the publish-only workflows Docker image, Sprig and Sprig image were disabled on the fork today. They push to ghcr.io/block/* and failed on every fork push (no registry access), and gh workflow enable restores them.

Rollback

Revert the merge commit.

Follow-up

matt2e and others added 30 commits September 1, 2026 14:28
## Issue
I would send a message in the thread side pane and the main chat's
composer would then open its at-mention completion UI:


https://github.com/user-attachments/assets/25e79e05-8672-4f6e-b5cc-81a46638f229

## Summary

- Render inline composer autocomplete only for the focused rich-text
editor.
- Preserve editor focus when opening composer-owned mention controls.
- Add an end-to-end regression for sending in a side thread while the
main composer retains an agent mention.

## Root cause

The main channel composer and thread composer share the channel sending
state. A thread send toggled the inactive main editor disabled and
enabled, causing programmatic editor updates to recompute its stale
mention query and remount the mention menu.

## Verification

- Desktop unit suite: 5,556 passed
- Persistent agent audience E2E spec: 18 passed
- TypeScript typecheck
- Vite E2E build
- Biome and repository text/pubkey/file-size ratchets

---------

Signed-off-by: Matt Toohey <contact@matttoohey.com>
Co-authored-by: Jitter <2b2e6415e748c35180847a37aadae06a11e30dddc76b784e7fd9354c4eb42e7a@buzz.block.builderlab.xyz>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>
## Why

Thread-scoped ACP sessions from block#6732 need an opt-in desktop rollout
that preserves today’s channel policy by default.

## What

- Add the default-off “Thread Scoped ACP Sessions” toggle under Settings
→ Experiments using the existing feature-override persistence.
- Map the persisted setting to `BUZZ_ACP_SESSION_POLICY=channel|thread`
for every local and provider-backed managed ACP launch. Changes apply
when managed agents next start; DMs remain conversation-scoped by the
backend.
- Keep the desktop setting authoritative over descriptor environment and
cover the UI, persistence, local spawn, provider payload, and existing
Projects/Workflows experiments.

## Risk Assessment

Low. The experiment defaults off and explicitly preserves `channel`;
changes are limited to managed-agent launch configuration. Existing
running agents are unchanged until their next start.

## Testing

- `. ./bin/activate-hermit && just ci` — passed on the final restacked
tree, including 5,674 desktop tests, 2,796 Tauri tests, and 1,860 mobile
tests.
- `cd desktop && pnpm build:e2e && pnpm exec playwright test
tests/e2e/experimental-features.spec.ts --project=smoke` — 1 passed.
- `. ./bin/activate-hermit && cargo test --manifest-path
desktop/src-tauri/Cargo.toml session_policy --lib` — 4 passed.
- `. ./bin/activate-hermit && cargo test --manifest-path
desktop/src-tauri/Cargo.toml commands::agents::deploy::tests --lib` — 15
passed.
- `. ./bin/activate-hermit && cargo test -p buzz-backend-kubernetes
--test wire_fixtures` — 4 passed.

## Stack Info

Stacked on block#6732. This PR depends on block#6732 and should merge after it.

Generated with Codex

---------

Signed-off-by: Salman Mohammed <smohammed@squareup.com>
Signed-off-by: Leo <5faf251baee50ee6bcde338aef6acdd70bb3e60115664c2cd490d94a55dfc488@buzz.block.builderlab.xyz>
Co-authored-by: Leo <5faf251baee50ee6bcde338aef6acdd70bb3e60115664c2cd490d94a55dfc488@buzz.block.builderlab.xyz>
## Summary

- add voice-note recording, preview, removal, and send controls to the
desktop composer
- render sent voice notes as waveform cards with scrubbing and
playback-speed controls
- transcode recordings locally into the existing relay video-media
contract, without relay changes

## Testing

- `just ci`
- `pnpm exec playwright test tests/e2e/voice-note.spec.ts`
- native voice-note media contract test against the relay validator

## Screenshots

Focused snapshots are attached below.

---------

Signed-off-by: kenny lopez <klopez4212@gmail.com>
Signed-off-by: Princess Donut <b238ea756dee4d98afa5883fc7f1de61eeabe65bf700e3a5a5a80db5e42e2c2b@buzz.block.builderlab.xyz>
Co-authored-by: Princess Donut <b238ea756dee4d98afa5883fc7f1de61eeabe65bf700e3a5a5a80db5e42e2c2b@buzz.block.builderlab.xyz>
Co-authored-by: Mongo <9cfd347903944d5b85aa6c93d2ab67381b978a92a31914bca69998968752a1d7@buzz.block.builderlab.xyz>
## Why

PR block#6660 introduced four PostgreSQL-backed persistence tests and a
focused CI selector, but an exact test-name list does not automatically
cover future database tests. Broad ignored-test execution also exposed
shared-schema races and ambiguity between desired-state and
migration-applied schema expectations.

## What

- Establish a discoverable convention: PostgreSQL unit modules use
`postgres_tests`, PostgreSQL integration binaries use a `postgres_`
prefix, and unrelated external-infrastructure tests use an
`external_infra_` prefix.
- Add a dedicated nextest PostgreSQL profile and archive-backed CI job
covering the relevant crates without enumerating test names.
- Create a run-scoped desired-state source database and a unique
PostgreSQL database per test process for parallel-safe isolation, with
cleanup on success, failure, or interruption.
- Route destructive migration and migration-parity tests to clean
`template0` databases while desired-state tests clone the desired-state
database.
- Document discovery, schema modes, required role privileges, and a
bounded portable local runner.
- Keep the existing infrastructure-free unit-test jobs unchanged.

This is intentionally limited to test and CI harness behavior. It does
not move production database code, change persistence semantics, or
implement issue #20's broader shared test-utility refactor.

## Risk

Low production risk because all changes are confined to tests, CI
configuration, documentation, and test harness scripts.

Remaining operational risks:

- Cleanup retries `dropdb --force` five times across roughly four
seconds. Exhaustion warns with the database name but deliberately does
not mask the test result; individual PostgreSQL diagnostics are
suppressed.
- The seven-package boundary is duplicated between the runner and CI
archive and must remain synchronized if PostgreSQL tests move to a new
crate.
- Portable SHA fallback branches were exercised on Linux; no macOS Blox
workstation was needed for this Linux CI artifact.
- GitHub's unchanged generic Unit Tests job currently fails while
cold-linking `buzz-voice` because `sherpa-onnx-c-api` is absent. The
branch changes no voice/build/toolchain inputs; the exact parent
previously passed that job, and Blox passes the same infrastructure-free
suite (1,450/1,450). A prior-head one-job retry and the final-head run
both reproduced the hosted-runner failure.

## Verification

Author Blox workstation `2020088`:

- `cargo fmt --all -- --check`
- `just clippy`
- `just test-unit`: 1,450 passed; PostgreSQL tests remain skipped in
fast jobs
- PR block#6660 focused tests: 4/4 passed through the final runner
- Full lane: 282/282 passed in 10.087s with a non-superuser role limited
to `CREATEDB`, `CREATEROLE`, and `pg_read_all_stats`
  - 272 desired-state tests
  - 10 migration-applied tests
  - 6 explicitly filtered external-infrastructure tests
- Cleanup fault injection: a deliberately underprivileged 282-test run
produced the expected 277 passes and 5 failures, and the post-run
catalog audit found zero lane databases after retry cleanup. The
restored successful run also left zero lane databases.

GitHub exact final head `92c231e48f299ea2af23817763f5ae80ac013d68`:

- [PostgreSQL
Tests](https://github.com/block/buzz/actions/runs/32789030203/job/97630827823):
282/282 passed across 10 binaries in 98.886s; 1,240 skipped, including 6
via the profile filter
- The shared relay/PostgreSQL archive predecessor completed successfully
- [Unit
Tests](https://github.com/block/buzz/actions/runs/32789030203/job/97626930420):
unrelated `sherpa-onnx-c-api` native-link failure described above
- Independent exact-head review on separate Blox workstation `2022762`:
no substantive findings after all initial findings were addressed. The
reviewer independently verified cleanup retry behavior, exit-status
preservation, shell portability, syntax, and a clean exact-head
worktree.

## References

- Stacked on block#6660 at exact head
`561de54be4d9c2b622b7c2aa5b61bc3068f47e2a`
- TheSentinel454#20
-
TheSentinel454#20 (comment)

Generated with Codex.

## Update — August 24, 2026 review follow-up

- Centralized the repeated PostgreSQL test URL resolution in
crate-local, test-only helpers without introducing the broader shared
utility refactor from issue #20.
- Restored descriptive hybrid/Redis test function names. Structural
`external_infra_*_tests` modules now own exclusion, and the nextest
filter only recognizes module path segments.
- Added a three-second source guard that scans every Rust file and fails
CI when an ignored PostgreSQL test would be omitted or an
external-infrastructure test would be included. Fixture tests cover
accepted modules/binaries and both failure modes.
- Removed the two implementation-plan documents.

Performance profiling on Blox workstation `2027352` (same prebuilt
archive and cargo-nextest 0.9.143 for every comparison):

- Current per-test database model, 8 workers: 10.15–10.40s across three
runs. The 283 `createdb` calls and 284 `dropdb` calls consumed
28.85–29.46 aggregate seconds, about 39–40% of aggregate test-process
duration.
- Reusing one database per worker without cleanup: 6.55–6.84s, about 35%
faster, but all three runs failed because global matcher-queue tests
inherited a quiesced community from an earlier test; the failing test
varied with scheduling.
- Reusing workers with `TRUNCATE … RESTART IDENTITY CASCADE`: all 282
tests passed, but total time regressed to 10.47–10.67s. The 265 truncate
calls consumed 24.34–25.45 aggregate seconds, so truncation merely
replaced most clone/drop cost.
- Raising concurrency to 16 workers reduced one isolated-database run to
8.79s, but 24 workers exposed a cluster-global `pg_stat_activity` race.
The profile remains at the proven-safe 8 workers.

Decision: retain unique per-test databases. Harness cleanup uses `dropdb
--if-exists --force`; it drops the database rather than truncating
tables or deleting rows.

Verification at local branch head
`60086c1f6ee34a193c342255a5e8e6293b60e988`:

- Discovery inventory: exactly 282 intended tests; all 6 hybrid/Redis
tests present and structurally excluded.
- PR block#6660 focused persistence tests: 4/4 passed.
- Full PostgreSQL lane: 282/282 passed three times; 1,240 skipped each
run; wall time 9.72–9.96s without profiling shims.
- Non-ignored tests with a desired-state database: 1,234/1,234 passed;
one mesh-demo timeout from the first run passed immediately in
isolation.
- `cargo fmt --all -- --check` and all-target/all-feature clippy for
`buzz-db`, `buzz-deletion`, and `buzz-relay` passed.

Final independent re-review at exact head
`42097c0136ab3fa8f0efe5720ae829c04575b9b6` on separate Blox workstation
`2028455`: no substantive residual findings. The reviewer independently
exercised ordinary strings, zero/one/three-hash raw strings, line/block
comments, and string-contained lookalikes, then reran the full 353-file
scan, shell syntax, Python AST parsing, and diff check.

Independent review found that the source guard's initial regular
expression could miss raw-string ignore reasons and treat a commented
attribute as real. Final head `42097c0136ab3fa8f0efe5720ae829c04575b9b6`
parses valid ordinary/raw Rust string literals only at attributes found
in comment-sanitized source; regression fixtures cover both cases. The
fixture suite, Python compilation, shell syntax, diff check, and full
353-file repository scan pass on Blox.

## Update — August 25, 2026 restack

PR block#6660 merged, so this follow-up was rebased from its former exact
parent onto current `origin/main`
(`8d2d0ff5ad42733e9949442c4b6358d0ba87f9a8`). The final candidate head
is `05dcc2ab28948e3ab79bb44839a69f2ba44648a2`; the PR no longer carries
block#6660's pre-squash history.

Fresh exact-head verification on Blox workstation `2028572`:

- Discovery guard passed across 353 Rust files; inventory remained
exactly 282 intended PostgreSQL tests.
- PR block#6660 focused persistence tests: 4/4 passed.
- Full PostgreSQL lane: 282/282 passed three times; 1,243 skipped each
run; wall time 9.70–9.87s.
- `cargo fmt --all -- --check` and all-target/all-feature clippy for
`buzz-db`, `buzz-deletion`, and `buzz-relay` passed.

## Update — August 25, 2026 final hosted verification

- [GitHub PostgreSQL
Tests](https://github.com/block/buzz/actions/runs/32801679226/job/97667835080):
282/282 passed in 53.787s; 1,243 skipped.
- The final guard scanned all 353 Rust files successfully before the
hosted lane ran.
- The shared relay/archive prerequisite and infrastructure-free Unit
Tests job both passed at exact final head
`42097c0136ab3fa8f0efe5720ae829c04575b9b6`.

---------

Signed-off-by: Luke Tornquist <tornquist@squareup.com>
Signed-off-by: tornquist <tornquist@squareup.com>
## Summary

- hide the native Download action on voice-note cards
- preserve Download for ordinary relay-hosted audio attachments
- add focused E2E coverage for both behaviors

Follow-up to block#6978.

## Testing

- `pnpm -C desktop exec biome check
src/features/messages/ui/AudioMessageAttachment.tsx
tests/e2e/voice-note.spec.ts`
- `pnpm -C desktop typecheck`
- `pnpm -C desktop build:e2e`
- `pnpm -C desktop exec playwright test tests/e2e/voice-note.spec.ts
--project=smoke` (13/13)
- pre-push desktop suite (5,881/5,881)

Signed-off-by: kenny lopez <klopez4212@gmail.com>
…lock#7109)

Depends on block#6994 (merged).

Stack: PR 2 block#6994 (merged) → this PR (block#7109) → PR 4 block#7148 → PR 5

## What

Production assertion runtime for NIP-FI Phase A: JWKS caching layer,
SSRF-hardened HTTP fetcher, startup validation gate, NIP-11 discovery
serialization, federated assertion verifier with sealed key-source
authority, and supporting invariant tests.

## Changes

### `crates/buzz-auth/src/nip_fi/jwks/`

`ProductionJwksSource<F>` implements the sealed `IssuerKeySource` trait:

- `HttpJwksFetcher`: reqwest-backed fetch with SSRF protection — URI
validation (HTTPS, no credentials, no fragment, no host matched by the
shared enumerated deny policy), per-fetch DNS resolution rejecting any
resolved address matched by the shared enumerated deny policy, address
pinning to prevent DNS rebinding TOCTOU, redirect denial, incremental
body streaming capped at 512 KiB before any parse
- IPv6 host extraction via typed `Url::host()` accessor (strips brackets
before SSRF check and provides the correct bare input form for reqwest
`resolve()` pinning; the bracketed form from `host_str()` fails
`IpAddr::parse` and does not match the URL authority key)
- Complete-operation deadline via `tokio::time::timeout` covering DNS
resolution through body streaming
- Bounded periodic refresh with configurable interval and hard snapshot
deadline
- Cancellation-safe RAII refresh permit: dropped on future cancellation
so the next caller can re-fetch
- Content-digest-gated generation counter: identical re-fetches preserve
generation; key rotations advance it
- Injectable clock (`now_fn: Arc<dyn Fn() -> DateTime<Utc> + Send +
Sync>`): production uses `Arc::new(Utc::now)`; all four deadline
creation and expiry checks use `(self.now_fn)()`, enabling
controlled-time testing without wall-clock sleep

`JwksSourceContract`: a closed value type that is the single source of
truth for the three deployment fields whose change alters which keys the
runtime trusts and how long it trusts them:

- `jwks_uri` — selects the authenticated key source; validated at
construction (HTTPS, no credentials/fragment, no bare private-IP host);
stored as the `Url`-normalized form so that equivalent spellings
(uppercase host, explicit default port `:443`, dot-segment paths like
`/.well-known/./jwks.json`) converge to the same `AssertionPolicyId`
- `refresh_interval_seconds` — defines bounded refresh behavior;
positive, ≤ 1 year, strictly < `key_snapshot_hard_deadline_seconds`
- `key_snapshot_hard_deadline_seconds` — defines the source's accepted
time rule; every `VerifiedAssertion.revalidation_dependencies` deadline
derives from this

`JwksSourceContract` is a required `IssuerPolicy` input and is included
in `derive_assertion_policy_id` after a domain separator.
`IssuerJwksConfig` embeds the contract instead of independently
restating these fields — startup validation rejects any contract
mismatch (`NipFiStartupError::JwksContractMismatch`).

### `crates/buzz-auth/src/nip_fi/verifier.rs`

- `FederatedAssertionVerifier<S>`: provider-neutral verifier over a
closed multi-issuer registry and sealed `IssuerKeySource`
- `Arc<S>: IssuerKeySource` forwarding impl (blanket seal for `Arc<S>`
in the sealed module) — one `Arc<ProductionJwksSource>` can be shared
across multiple verifiers; all observe JWKS refreshes through the shared
cache without rebuilding the verifier
- `AssertionKeySet`: crate-private constructor seals issuer binding — no
external crate can relabel issuer B's JWKS as issuer A
- Sealed `IssuerKeySource` trait closes the authority-construction seam
at both ends

### `crates/buzz-core/src/network.rs`

Renamed `is_private_ip` to `is_not_global_unicast` (compat alias
retained) and restored the complete IANA deny/exception table from this
branch's own history (`272dacadb`). The predicate is an enumerated
deny/explicit exception policy: addresses covered by a named deny rule
are rejected; addresses not covered by any explicit deny rule (e.g.
`fe00::1`) pass through. Deny rules are derived from the IANA
Special-Purpose Address Space registries (last updated 2025-10-09), with
globally-reachable exceptions carved out explicitly (e.g. PCP/TURN
anycast inside 2001::/23).

Blocked IPv4 classes: loopback (127/8), private RFC 1918 (10/8,
172.16/12, 192.168/16), link-local (169.254/16), unspecified (0/8),
broadcast, CGNAT/RFC 6598 (100.64/10), benchmarking/RFC 2544
(198.18/15), IETF Protocol Assignments (192.0.0.0/24, globally reachable
exceptions: 192.0.0.9 PCP anycast RFC 7723 and 192.0.0.10 TURN anycast
RFC 8155), documentation/RFC 5737 (192.0.2/24, 198.51.100/24,
203.0.113/24), deprecated 6to4 relay anycast (192.88.99.0/24, RFC 7526,
global=None → conservative deny), multicast/RFC 5771 (224/4), reserved
class-E (240/4).

Blocked IPv6 classes: loopback (::1), unspecified (::), ULA (fc00::/7),
link-local (fe80::/10), deprecated site-local (fec0::/10, RFC 3879),
multicast (ff00::/8), IETF Protocol Assignments envelope (2001::/23,
globally reachable exceptions: 2001:1::1–::3 PCP/TURN/DNS-SD anycast,
2001:3::/32 AMT RFC 7450, 2001:4:112::/48 AS112-v6 RFC 7535,
2001:20::/28 ORCHIDv2 RFC 7343, 2001:30::/28 DETs RFC 9374),
documentation (2001:db8::/32 RFC 3849, 3fff::/20 RFC 9637), 6to4
(2002::/16, RFC 3056), Discard-Only (100::/64, RFC 6666), Dummy IPv6
Prefix (100:0:0:1::/64, RFC 9780), SRv6 SIDs (5f00::/16, RFC 9252),
NAT64 local-use (64:ff9b:1::/48, RFC 8215). IPv4 embedded in mapped,
compatible, NAT64 well-known (64:ff9b::/96), and SIIT IPv4-translated
(::ffff:0:0:0/96) forms is checked recursively. All three callers (JWKS
boundary, webhook SSRF, link-preview SSRF) inherit the complete
predicate through the inline `is_private_ip` compatibility alias.

### Invariant coverage

**Canonical URI convergence.**
`jwks_contract_uri_canonicalization_convergence_and_divergence` asserts
that uppercase host, explicit `:443`, and dot-segment path
(`/.well-known/./jwks.json`) each produce the same `AssertionPolicyId`
as the canonical form; a genuinely different host or path diverges.
Mutation: storing raw input bytes instead of `parsed.to_string()` turns
the three convergence assertions red.

**Resolved-target and pin-input seam.**
`resolved_target_and_pin_key_seam_public_ipv6_and_fec0_rejection`
carries a public `2606:4700::1` URI through all three stages of
`fetch_jwks_inner`: `extract_url_host_and_port` yields the bare host (no
brackets), `resolve_and_check_ssrf` takes the IP-literal fast path and
returns the accepted `IpAddr`, and the extracted host string equals the
URL authority form (verifying the correct bare input to reqwest's
`resolve()` pin call). `fec0::1` traverses the same extraction and SSRF
stages and is rejected as `InvalidUri`. Network-free: both addresses are
IP literals with no DNS lookup. Mutation: restoring `host_str()`
brackets the address, `IpAddr::parse` fails, the SSRF fast path is
unreachable, and all three assertions flip red.

**Controlled original-deadline rotation.**
`shared_arc_source_verifier_rejects_expired_a1_accepts_a2` uses an
`AtomicI64`-backed injectable clock to advance past A1's original
absolute deadline without wall-clock sleep. A1's deadline is computed at
T0 and never mutated. The clock advances to T0 + HARD_DEADLINE_SECS + 1;
`get_snapshot` fires a re-fetch and installs A2. One unchanged
`FederatedAssertionVerifier` then rejects A1-signed tokens (deadline
enforced by the `key_set` read path) and accepts A2-signed tokens,
proves A2's generation is strictly greater, and confirms A2's deadline
is later than A1's original. Mutation oracle: replace the shared `Arc`
with an independently constructed source built from the same configs and
sharing the same controlled clock, warmed with a separate A1 fetch
before advancement. Post-advancement, `key_set()` on the verifier's
independent source filters the expired A1 snapshot (`filter(|c| now <
c.hard_deadline)`) and returns no keys — the verifier never re-fetches
and never observes A2. A1-reject stays green (the independent cache is
also expired, so no A1 keys are served), but A2-accept flips red,
because the verifier never observes A2. A2 acceptance is the reliable
shared-source oracle.

**Complete SSRF classifier boundary.** JWKS-boundary tests cover every
newly restored class through `validate_jwks_uri` (URI-validation path):
`192.0.0.1` (IETF Protocol Assignments interior), `192.0.0.9`/`.10`
(PCP/TURN anycast global exceptions), `192.88.99.1` (deprecated 6to4
anycast), `2001:2::1` (2001::/23 interior), `2001:1::1` (2001::/23
global exception), `100::1` (Discard-Only), `3fff::1` (documentation),
and `5f00::1` (SRv6 SIDs). URI validation and resolved-target
enforcement share the same `is_not_global_unicast` predicate, so these
URI-path tests exercise the complete classifier table. All pass
mutation: removing any deny branch makes the rejection assertion red;
removing any exception branch makes the acceptance assertion red. The
resolved-target enforcement path is covered separately by
`resolved_target_and_pin_key_seam_public_ipv6_and_fec0_rejection` for
`::1` (loopback), public `2606:4700::1`, and `fec0::1`.

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Co-authored-by: Cea Stapleton Cordasco <261786559+cea@users.noreply.github.com>
…ock#7143)

## Summary

Carl, an automated agent, implementing on Wes's request.

Fix ordinary Desktop dev checkouts being misclassified as linked
worktrees when launched through `just production`, `staging`, or other
recipes that source `instance-env.sh` from `desktop/`.

From the repository root, Git reports both directories as `.git`. From
`desktop/`, it can report an absolute `--git-dir` and `../.git` for
`--git-common-dir`. The textual comparison treats them as different and
chooses a branch-suffixed app profile (for example `.dev.main`) instead
of the canonical `.dev` profile populated by the agent-adoption script.

- Request `--path-format=absolute` for both paths. Actual linked
worktrees still have distinct Git/common directories and retain their
existing isolated app identities.
- Add eight isolated fixture cases executing the real environment script
with real Git: ordinary root/subdirectory on main and feature branches,
linked root/subdirectory, detached linked subdirectory, and symlinked
ordinary subdirectory. Paths contain spaces. Only native icon generation
is stubbed; no user profile, keychain, app, or relay is accessed.
- Run the regression in the existing always-run CI contract job.

No agent migration, global-settings copy, keychain changes, profile
merging, branch-label redesign, or packaged-release behavior changes.
Existing Git `--path-format` support is required (Git 2.31+).

### Related issue

Searched open PRs for `instance-env` and worktree titles, and open
issues for dev-profile/adoption reports. No matching path-normalization
fix found.

- block#7142 touches `instance-env.sh` for descriptive labels. This fix is
independent; it uses a distinct test filename to avoid colliding with
that PR's new `test-instance-env.sh`.
- block#6915 proposes a separate release-profile launch recipe; this fix
preserves the current dev-profile contract instead.

### Testing

At exact head `0a09a2f3716b0378546b66be2302b750ed4330b9`:

- `scripts/test-desktop-instance-detection.sh`: **8/8 passed**.
- Before the production change, the same regression failed on the
ordinary checkout's `desktop/` case: actual
`xyz.block.buzz.app.dev.main`, expected `xyz.block.buzz.app.dev`.
- `bash -n scripts/instance-env.sh
scripts/test-desktop-instance-detection.sh`: passed.
- `git diff --check`: passed before commit; pre-commit and commit-msg
hooks completed.
- Applicable pre-push gates passed: branch-skew, push-head-scope, and
file-size policy (6 tests plus all three entrypoints).
Rust/Desktop/Mobile package lanes were correctly inapplicable to this
shell/CI-only diff.

No native app launch or first-boot key import was performed. The
validated boundary is the generated launch environment/profile identity,
not successful agent startup. Hosted CI has not been checked or
represented as green.

Signed-off-by: Wes <wesbillman@users.noreply.github.com>
Co-authored-by: Carl <32a2e2c9d428ee08902cab75d956da2c1d235a22d4766b0dd4138bf6e2e5db1d@buzz.block.builderlab.xyz>
…budgets (block#7185)

Raise the `buzz-dev-mcp` shell timeout ceiling to 1,200,000 ms (20
minutes) while keeping the omitted-value default at 120,000 ms (2
minutes), and align the two outer timeout layers that bound every MCP
tool call.

## What changed

**`crates/buzz-dev-mcp`** — shell timeout cap raised to 1,200,000 ms;
tool and parameter descriptions updated to match.

**`crates/buzz-agent`** — `BUZZ_AGENT_TOOL_TIMEOUT_SECS` default raised
from 660 s to 1,260 s (20-min cap + 60 s cleanup headroom). The old 660
s default would have killed the MCP server at 11 min, before a 20-min
shell call could finish. README updated.

**`crates/buzz-acp`** — `DEFAULT_IDLE_TIMEOUT_SECS` raised from 900 s to
1,500 s and its doc comment updated (1,200 s max shell + 300 s breathing
room). The old value was documented as "600 s max shell + 300 s" — stale
arithmetic.

## Tests

- Existing boundary tests in `buzz-dev-mcp` (default, exact-cap,
over-cap, `u64::MAX`) all pass.
- `default_idle_timeout_is_1500_seconds` — pinned constant replaces old
900 s assertion.
- `default_tool_timeout_is_1260_seconds` — new pinned constant in
`buzz-agent`.
-
`budget_ordering_invariant_shell_cap_plus_headroom_fits_within_idle_timeout`
— new const assertion in `buzz-acp` that encodes the full three-layer
ordering: shell cap (1,200 s) ≤ agent tool timeout (1,260 s) < ACP idle
timeout (1,500 s) < max turn duration. A future edit that inverts any
tier fails to compile.

---------

Signed-off-by: Alia <d32955ad69077062930cc46cfe2df30ca9aaf6f8e76422681265e9e9af704d78@buzz.block.builderlab.xyz>
Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: Alia <d32955ad69077062930cc46cfe2df30ca9aaf6f8e76422681265e9e9af704d78@buzz.block.builderlab.xyz>
Co-authored-by: Hayt <9e1c23a3fd83f61da34420e4e88ff1b16e45cafcc0cd9019eb07d4ecfa8ca9b0@buzz.block.builderlab.xyz>
Changes `CODEX_REASONING_EFFORT` from `max` to `high` in the
`security-review` job.

`max` increases both normal review latency and exposure to the upstream
PTY-shutdown hang
([openai/codex-action#169](openai/codex-action#169))
where Codex finishes writing its output file but holds stdio open. The
composite `uses:` action ignores the 30-minute step timeout and
continues running until the 40-minute job timeout fires; at that point
GitHub cancels the entire job and the `always()` salvage step never gets
to run. `high` retains a high reasoning setting while trading some depth
for speed, reducing typical completion time and shrinking the window
during which a hung process blocks the salvage path.

No other behavior changes. Action pin, CLI version, model, output
schema, prompt, and timeout values are unchanged.

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
…block#7187)

### What changed?

Clear inherited linker flags on the NotificationService target in Debug,
Release, and Profile. The extension continues to link BuzzPushKit
through its target framework phase, while Runner retains its CocoaPods
plugin flags.

Extend the macOS mobile CI lane to install Flutter dependencies and
build the complete unsigned iOS Release app. This exercises the
production Flutter, CocoaPods, Runner, BuzzPushKit, and
NotificationService build graph on every mobile change.

### Why?

The iOS 0.16 RC archive exposed that NotificationService inherits
Runner-only CocoaPods linker flags through the shared Flutter xcconfig.
That made the extension link Flutter plugins without the Flutter engine
and fail on unresolved Flutter symbols.

The previous CI coverage built only the standalone BuzzPushKit package,
so it could not detect an app or extension linker regression.

### How is it tested?

- A complete unsigned Release build of the Runner scheme succeeded with
Xcode and linked, embedded, and validated `NotificationService.appex`.
- The new GitHub Actions lane builds the full unsigned iOS Release app
with `flutter build ios --release --no-codesign --no-pub`.
- Pre-commit and pre-push hooks passed.

---------

Signed-off-by: Tom Brow <tomb@block.xyz>
Co-authored-by: Codex <noreply@openai.com>
## Summary

- raise Desktop Rust's differential file-size ceiling from 1,000 to
1,500 lines
- raise Desktop frontend and Mobile ceilings from 1,000 to 1,200 lines
- keep Web at 1,000 lines and preserve the existing no-growth ratchet
above each ceiling

## Why

The flat 1,000-line limit is forcing mechanical trimming in Desktop and
Mobile even for small cohesive changes. Surface-specific ceilings
relieve that pressure without granting Web or every authored component a
blanket 2,000-line budget.

## Testing

- `just file-size-check`
- `cd desktop && pnpm exec biome check scripts/check-file-sizes.mjs`
- `node --check mobile/scripts/check-file-sizes.mjs`
- `git diff HEAD^ --check`

Signed-off-by: Wes <wesbillman@users.noreply.github.com>
Co-authored-by: Carl <32a2e2c9d428ee08902cab75d956da2c1d235a22d4766b0dd4138bf6e2e5db1d@buzz.block.builderlab.xyz>
A few things to prepare for deploying the Buzz push gateway as
implemented in block#6269:
- Cut `buzz-push-gateway` chart `0.2.0` from the current config
(certificate auth, dogfood client)
- Datadog-compatible metrics
- Align the desired schema, metrics docs, and production ingress
guidance with the current dogfood deployment contract

## Links

- [BUZZ-17: Publish the MVP-compatible gateway
chart](https://linear.app/squareup/issue/BUZZ-17/publish-the-mvp-compatible-gateway-chart)
- [BUZZ-26: Add Datadog-compatible push-gateway metrics and correct
source
drift](https://linear.app/squareup/issue/BUZZ-26/add-datadog-compatible-push-gateway-metrics-and-correct-source-drift)

---------

Signed-off-by: Tom Brow <tomb@block.xyz>
Co-authored-by: Codex <noreply@openai.com>
Pinky is opening this PR on Wes's behalf.

## Summary

Carry forward the fix from block#7103 by **Taksh / @Chessing234**, with the
original author and DCO sign-off preserved in commit `99dd19191c`. A
separate Pinky-authored commit fixes and strengthens the regression
tests.

`recover_from_keyring` previously deleted an unreadable keyring identity
before checking for a valid leftover `identity.key`. A migrated
installation normally has a marker but no file, so that deletion could
destroy the only remaining key material.

- Attempt valid-file recovery before any explicit keyring deletion.
- If a migration marker exists but no valid file can be recovered, enter
`Lost` without deleting the unreadable keyring value.
- Retain the existing no-marker clear/generate policy.
- Correct the stale deletion expectation in
`corrupt_keyring_recovers_valid_file_without_rotating`, retaining its
identity and persistence checks.
- Add an explicit no-delete assertion to
`corrupt_keyring_with_valid_file_recovers_before_delete`.

Production recovery behavior matches the contributor's fix; follow-up
production-file edits only clarify comments and restore a doc comment.
The existing migration durability order remains **store → uncached
verification → marker → file removal**. Lost-state signing/startup gates
and explicit user re-import remain intact.

### Related issue

Fixes block#6218. Linked continuation/replacement of block#7103, not a competing
implementation. The original PR remains open for maintainer disposition.
Searched existing keyring PRs and identity/keyring issues; block#7103 is the
direct duplicate and source contribution.

### Testing

Validated head: `b6a5512ba85f9e76a039f69714ed04a98eabc710`, based on
`4365883151698cd30e31cf4091629543b61c2478`.

- **Focused baseline:** `cd desktop/src-tauri && cargo test --lib
app_state::` — 52 passed, 0 failed.
- **Mutation check:** in an isolated copy, restore the original
delete-before-file-probe ordering without changing the test file.
`corrupt_keyring_with_valid_file_recovers_before_delete` fails at the
new `store.deleted.borrow().is_empty()` assertion (0 passed, 1 failed;
expected exit 101). The candidate working tree was never mutated.
- **Actual pre-push hooks passed, without bypass:** `push-head-scope`,
`branch-skew`, `file-size-check`, and `desktop-tauri-checks`.
- `cargo clippy --manifest-path desktop/src-tauri/Cargo.toml --workspace
--all-targets -- -D warnings`
- `cd desktop/src-tauri && cargo test --workspace` — 3,156 passed, 0
failed, 20 ignored across test binaries.
- Pre-commit Tauri formatting and DCO hooks passed.
- Independent read-only review by Brain found no further defects in the
final range and verified the baseline/mutation artifacts and contributor
attribution. This is not a GitHub approval.

Local validation used the repository's sidecar stubs for compilation.
Full-repository `just ci`, a native-app recovery workflow, and
live-keyring fault injection were not run. GitHub CI and an actual
current-range Codex security review are still pending; local hooks do
not substitute for those results. No UI markup changed, so screenshots
are not applicable.

### Limits

This prevents destructive cleanup on the marker-backed recovery path; it
does not identify what originally made the keyring value unreadable or
guarantee recovery of already-corrupt material. Markerless last-copy
preservation remains a pre-existing limitation outside this change. Only
the two app-state Rust files change; no new dependency, workflow, or
secret-export surface is introduced.

---------

Signed-off-by: Taksh <takshkothari09@gmail.com>
Signed-off-by: Pinky <5f5ab050ec58ae208332edd544ebf705221e24c1b86d82a6ca07038a7a8f6ac9@buzz.block.builderlab.xyz>
Co-authored-by: Taksh <takshkothari09@gmail.com>
Co-authored-by: Pinky <5f5ab050ec58ae208332edd544ebf705221e24c1b86d82a6ca07038a7a8f6ac9@buzz.block.builderlab.xyz>
…lock#5545)

## What

Consolidates all Databricks OAuth acquisition behind one coordinator on
`PkceOAuthTokenSource`. Every entry point — the four `TokenSource`
methods (`bearer`, `bearer_no_browser`, `refresh_now`,
`interactive_login`) plus the public `acquire_with_intent` — routes
through a single `acquire()`/`acquire_locked()` core that owns browser
and cooldown policy.

Before this, acquisition logic was scattered across those methods with
no coordination: concurrent callers (Desktop discovery, the saved-agent
model picker, managed-runtime inference) could each pop their own
browser, and a just-denied attempt would immediately re-prompt on the
next passive read.

## How

- **Intent policy.** `AuthIntent::{Auto, UserInitiated, Headless}`
decides whether a caller may open a browser and whether it honors the
cooldown. `Headless` never browses; `Auto` browses but honors an
unexpired cooldown; `UserInitiated` browses and bypasses+clears the
cooldown.
- **Two-layer single-flight per cache key.** An in-process registry
(`INFLIGHT`) coalesces same-key, same-intent callers onto one leader's
attempt before the file lock. The slot key is `(lock_path, AuthIntent)`,
so a `UserInitiated` sign-in never inherits an `Auto` leader's result. A
joined result is revalidated against the waiter's own contract. Across
processes, callers serialize on a `flock`-based advisory lock and share
success through the on-disk cache. RAII `Drop` releases both lock and
leader slot.
- **Joiner credential-state reconciliation.** `SlotPublish` carries the
full `CachedToken` on success. Each joiner reconciles its own
independent `state` cell under `state.lock().await` before returning:
adopt when absent, expired, or matching the joiner's rejected
credential; preserve any distinct newer usable credential. On a matching
shared failure, neutralize the joiner's in-memory rejected entry under
lock via `expire_rejected_memory` — durable disk mutation is reserved
for `acquire_locked` under the cross-process file lock. Without this, a
joining source's state remains stale or empty and subsequent plain
`bearer()` calls resurface the rejected or absent credential.
- **Validate-before-persist boundary.** `finish()` is the
candidate-token persistence boundary for refresh and browser results.
Before a token is written to cache or the cooldown is cleared, a bearer
equal to the caller's rejected bytes yields a typed failure.
- **Token neutralization.** When `acquire_locked` enters with `rejected
= Some(bytes)`, it calls `expire_rejected()` under the state lock before
any cache check.
- **Cross-process failure single-flight.** An `AttemptRecord` sidecar
records a monotonically-increasing generation, intent, result code, and
SHA-256 digest of the completing caller's rejected token. Adoption is
temporal (pre-queue snapshot predates current generation) and
digest-matched.
- **Typed outcomes.** `AuthError` with stable `code()`/`from_code()`
replaces display-text matching.
- **Durable cooldown sidecar.** Every failed browser attempt is recorded
next to the cache key. 5-minute expiry.
- **Windows disk persistence disabled.** On non-Unix platforms,
`persist()` is a no-op. Lock, cooldown, and attempt sidecars are active
on all platforms. Tests that seed or assert on the on-disk token cache
are `#[cfg(unix)]`-gated.
- **Injected browser opener** invoked while the localhost callback
listener is live.

## Tests

- `crates/buzz-agent/tests/databricks_auth_coordinator.rs`:
browser/cooldown/classification acceptance matrix with a scripted
`BrowserOpener` and stub OIDC provider. P1 regressions exercise the full
`finish()` → `acquire_locked()` → `acquire_leader()` →
`LeaderGuard::complete()` → joiner wiring:
- `test_inprocess_joiner_reconciles_stale_state_after_shared_success`
(Unix): two real sources both loaded locally-fresh-but-rejected X; after
shared success Y, subsequent plain `bearer()` on both returns Y, not X.
-
`test_inprocess_joiner_neutralizes_rejected_on_matching_shared_failure`
(Unix): B's matching rejected X is force-expired in memory after shared
`RefreshRejected`; subsequent read cannot return X.
- `test_inprocess_joiner_populates_empty_state_no_second_acquisition`
(non-Unix): empty A/B join a browser success; B's subsequent headless
read returns Y without a second browser (no disk fallback on non-Unix
exposes the regression).
- `test_crossprocess_userinitiated_waiter_adopts_predecessor_denial`
(snapshot-marker barrier replacing an earlier sleep for deterministic
generation ordering).
- `auth.rs` in-crate tests: lock-primitive edges, disk-recheck on shared
failure (`#[cfg(unix)]`), and:
- `test_joiner_reconciliation_blocked_until_state_lock_released`:
deterministic direct-poll proof that awaited reconciliation requires
`state.lock().await`. The test task holds B's state mutex and manually
polls a pinned real `acquire()` future — Poll 2 (slot published, mutex
still held) must return `Pending` because `lock().await` blocks; with
`try_lock` instead, Poll 2 returns `Ready`, failing the assertion.
- `test_joiner_preserve_distinct_newer_credential`: deterministic direct
polling parks B at `slot.wait()`, then writes Z directly into B's state
in the same task, then publishes Y and awaits completion. B must return
Y but leave state == Z. Mutation check: unconditional adoption
overwrites Z with Y, failing the state assertion.
- `test_joiner_shared_failure_recovers_disk_replacement` (Unix): the
matching-failure joiner enters the recovery branch — after
`expire_rejected_memory` (in-memory, empty state no-op) it reads a
sibling-written disk replacement via `usable_from_disk` and returns it.
Mutation check: removing the `usable_from_disk` recovery branch returns
`Err(RefreshRejected)`.
- `test_joiner_failure_does_not_write_disk` (Unix): byte-for-byte
disk-invariance regression — a matching-failure joiner calls
`expire_rejected_memory` and must not touch the on-disk cache. An
independent process C may write a valid replacement between A's failure
and B's reconciliation; this guard ensures B's unfenced in-memory
neutralization cannot overwrite C's concurrent disk write. Mutation
check: reverting to `expire_rejected` rewrites the file (`expires_at =
0`), changing the bytes and failing the assertion.
- `test_lock_timeout_leaves_cooldown_sidecar_byte_for_byte_untouched`: a
waiter past its deadline returns `LockTimeout` before entering
`acquire_locked`; the cooldown sidecar bytes are unchanged. Documents a
pre-lock limitation: `LockTimeout` callers do not neutralize state or
sidecars.

## Scope / follow-ups

- **Runtime 401 handling is deferred.** This PR owns acquisition
single-flight and policy.
- **Desktop wiring is Phase 2** (not in this PR's boundary). Confined to
`crates/buzz-agent/`.
- **Windows DACL** is a follow-up once the `windows-sys` binding is
available.

## Stack

Built on [block#5534](block#5534)
(`hayt/databricks-oauth-cache-hardening`), now merged. Retargeted to
`main`.

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
## Summary

Add Pi as a selectable desktop ACP runtime via `pi-acp`, including
discovery guidance and its official logo.

### Related issue

Follow-up to closed block#6546.

### Testing

- Focused Tauri preset and desktop logo tests
- TypeScript typecheck

Generated with Codex

---------

Signed-off-by: Salman Mohammed <smohammed@squareup.com>
## Summary

This PR makes relay readiness failures diagnosable without weakening the
existing fail-closed readiness contract. It distinguishes Postgres pool
acquisition from query execution, Redis pool acquisition,
deletion-catalog validation, and the overall two-second deadline;
exports a bounded Prometheus contract for rollout dashboards; and fixes
the concurrency, shutdown, and listener-boundary semantics needed for
those signals to be trustworthy.

## Why

The previous `/_readiness` implementation exposed only an aggregate
ready/not-ready result. During a rollout, operators could not tell
whether a pod was blocked on:

- acquiring a Postgres connection;
- executing the Postgres readiness query;
- acquiring a Redis connection;
- validating the deletion catalog; or
- the shared readiness deadline.

Adding metrics to the existing handler also exposed three correctness
hazards that this PR resolves:

1. the same handler is mounted on both the public application listener
and the private Kubernetes health listener, so public requests could
otherwise distort rollout telemetry;
2. concurrent probes can finish out of order, allowing an older result
to overwrite newer current-state gauges; and
3. a probe started before SIGTERM can finish afterward, incorrectly
return `200 ready`, and resurrect ready gauges while the process is
draining.

## Behavior

### Readiness evaluation

- Postgres, Redis, and deletion-catalog checks still run under one
shared two-second deadline.
- Postgres distinguishes pool acquisition timeout/error from query
timeout/error.
- Redis distinguishes pool acquisition timeout/error. This does not
claim a Redis command round trip.
- The deletion catalog distinguishes operation timeout/error.
- Multiple failures are reported as `multiple_dependencies_failed`;
exhaustion of the shared deadline is reported as `overall_timeout` when
no more specific completed outcome wins.
- Readiness remains fail-closed: every dependency must succeed for `200
{"status":"ready"}`.

### Ordered publication and shutdown

`ReadinessCoordinator` is process-owned and uses one mutex as the
linearization point for probe generations, current-state publication,
and terminal shutdown.

- Every completed dependency attempt may contribute its truthful counter
and duration observation.
- Only the newest admissible probe generation may publish current-state
gauges.
- An older, slower probe cannot overwrite a newer probe's gauges.
- `begin_shutdown()` and probe commit serialize through the same
coordinator.
- Once shutdown commits, an in-flight probe cannot return ready or
publish ready/current dependency gauges, even if its dependency work
later succeeds.

Shutdown without dependency evaluation records only:

- `buzz_readiness_checks_total{reason="shutting_down"}`; and
- `buzz_readiness_state{check="overall"} = 0`.

It does **not** fabricate dependency failures, dependency state changes,
or zero-duration latency samples. If shutdown wins after an in-flight
evaluation actually ran, those completed dependency attempts may remain
as attempt telemetry, but they cannot overwrite shutdown-dominant
current state.

### Listener and response contract

- The private health listener's `/_readiness` route is the sole
authority for rollout readiness telemetry.
- The public application listener retains `/_readiness` for
compatibility, evaluates the same dependencies, and preserves the
existing response shape, but it emits no `buzz_readiness_*` metrics.
- Ready responses remain `200 {"status":"ready"}`.
- Shutdown responses remain `503 {"status":"shutting_down"}`.
- Failed private-health responses include the bounded `reason` plus
`postgres`, `redis`, and `deletion_catalog` booleans.
- Failed public compatibility responses retain the dependency booleans
but omit the new detailed reason.
- No header, query parameter, path value, or other request-controlled
value becomes a metric label.

## Prometheus contract

The final schema is intentionally capped at **99 raw Prometheus series
per pod**.

| Metric | Type | Labels | Raw series/pod |
|---|---|---|---:|
| `buzz_readiness_checks_total` | counter | `reason` | 12 |
| `buzz_readiness_dependency_checks_total` | counter | `dependency`,
typed `outcome` | 11 |
| `buzz_readiness_check_duration_seconds` | histogram | `check` | 72 |
| `buzz_readiness_state` | gauge | `check` | 4 |
| **Total** |  |  | **99** |

### Closed label sets

`reason`:

```text
ready
shutting_down
postgres_pool_timeout
postgres_pool_error
postgres_query_timeout
postgres_query_error
redis_pool_timeout
redis_pool_error
deletion_catalog_timeout
deletion_catalog_error
overall_timeout
multiple_dependencies_failed
```

Valid `dependency` / `outcome` pairs are enforced by typed enums:

- `postgres`: `success | pool_timeout | pool_error | operation_timeout |
operation_error`
- `redis`: `success | pool_timeout | pool_error`
- `deletion_catalog`: `success | operation_timeout | operation_error`

`check` is `overall | postgres | redis | deletion_catalog`.

The readiness histogram has 15 configured buckets concentrated around
the two-second deadline:

```text
0.001, 0.005, 0.01, 0.025, 0.05, 0.1, 0.25, 0.5,
0.75, 1.0, 1.25, 1.5, 1.75, 2.0, 2.5, +Inf
```

The contract deliberately removes the redundant overall `result` label
and the histogram `outcome` label. Pod, ReplicaSet, version, rollout,
raw error, SQL, URL, tenant, user, community, pubkey, and
request-controlled values are prohibited application labels;
infrastructure enrichment can supply deployment identity outside the
application metric.

## Postgres production seam and CI

The real `Db::readiness_check` path now supports deterministic
production-seam testing while preserving the same acquisition/query
implementation used by the relay. The isolated PostgreSQL lane
automatically discovers and executes three ignored integration tests
covering:

- a held sole connection causing pool timeout, followed by recovery
after release;
- closed-pool acquisition error;
- acquisition success followed by query timeout;
- classified query error;
- cancellation while waiting for a connection;
- cancellation during an in-flight query; and
- eventual pool recovery with waiter/in-flight state balanced.

This prevents the central SQLx/Postgres behavior from being merely
compiled but never executed in CI.

## Tests and verification

- `cargo fmt --all -- --check`
- `./scripts/test-postgres-test-discovery.sh`
- complete `cargo test -p buzz-db`
- focused `cargo test -p buzz-relay readiness`
- real-router `cargo test -p buzz-relay real_health_route_`
- controlled PostgreSQL execution of all three ignored readiness tests
- production health router -> real `GET /_readiness` -> Prometheus
render assertions
- public-router requests proving zero rollout telemetry
- deterministic out-of-order A/B probe tests
- SIGTERM-during-probe tests proving shutdown dominance
- exported metric name/type/exact-label/bucket assertions
- exported raw-series allowlist and 99-series ceiling assertion

The route-to-scrape regression test uses the production Prometheus
builder and verifies the `2`, `2.5`, and `+Inf` readiness buckets. It
fails if the health recording call, health route, public/health
boundary, generation fence, shutdown fence, or bucket override is
removed.

## Risk assessment

**Medium.** This changes the live readiness publication path and adds
synchronization around probe commit/shutdown. The risk is bounded by:

- preserving the existing dependencies and shared two-second deadline;
- keeping readiness fail-closed;
- using a short, process-local mutex only at begin/commit linearization
points, not across dependency awaits;
- retaining the public compatibility endpoint while isolating its
telemetry;
- enforcing typed, low-cardinality labels and an exported series
ceiling; and
- covering the production router, Prometheus exposition, real PostgreSQL
seam, concurrency ordering, and shutdown races.

## Operational notes

- Dashboards should treat `buzz_readiness_state` as the latest sampled
current state, not as an event stream.
- `shutting_down` should be excluded from dependency-failure alerts
because no dependency failure is implied.
- Do not use `default_zero()` for missing current-state data;
missing/stale is unknown, not healthy.
- Use histogram buckets, heatmaps, max, or average until the Datadog
distribution metadata confirms percentiles are enabled; do not title a
widget p95 before that live readback.

## Non-goals

This PR does not add the broader process-startup lifecycle,
worker/listener supervision, shutdown coordinator, WebSocket/huddle
handoff, client recovery telemetry, dashboard mutations, Datadog
configuration changes, or deployment changes. Those remain separate
follow-up work.

## References

- [Staging dev relay image
runbook](https://github.com/block/buzz/blob/main/docs/staging-dev-relay-images.md)
- Readiness telemetry contract: `deploy/charts/buzz/README.md`

---------

Signed-off-by: Ravneet Arora <rarora@squareup.com>
Rewrites `docs/nips/NIP-FI.md` as a stateless spec and deletes the five
companion profiles (NIP-FI-CONF, NIP-FI-DELEG, NIP-FI-EDGE,
NIP-FI-LIFECYCLE, NIP-FI-MODEL) that presuppose relay-side state.

## What changes

### `docs/nips/NIP-FI.md` — full rewrite

The relay-side authority engine (bindings, receipts, lifecycle,
invalidation, leases, delegation, enrollment modes, TOFU) is removed.
The spec settles exactly five things:

1. **Assertion contract**: JWT claims (`iss`, `sub`, `nostr_pubkey`,
`aud` (required), `iat`/`exp`, finite TTL bounds), npub binding
semantics, required NIP-42 proof-of-key pairing. Evidence rules
(assertion-key-mismatch → `authorization_denied`, freshness) preserved
from v1.

2. **Verification**: offline against configured per-issuer JWKS
snapshots; multi-issuer; fail-closed on missing/expired/unverifiable.
Cites `crates/buzz-auth/src/nip_fi/` (PR 3 / `70895b355`) as
implementing the assertion-verification procedure. The
`require_attested_key` flag in `IssuerPolicy` is the enforcement
primitive for the unconditional `nostr_pubkey` requirement; conformance
requires forcing it true for every issuer — follow-on code outside this
PR.

3. **Session policy**: required finite `max_connection_lifetime_seconds`
knob with no permissive default; re-auth on every reconnect; no in-band
renewal.

4. **Admin disconnect API**: session-only normative text with a
dedicated `VerifyCommandJwt` procedure — distinct `typ:
nip-fi-command+jwt`, signed `method`/`path` binding, normative
`maximum_command_age` bound (0 < value ≤ 60 s), atomic `(iss, jti)`
reservation as the final admission step after all pure checks.
Non-normative note documents cumulative residual access: `max(0,
min(exp, iat + maximum_assertion_age) - now)` assuming issuance stops;
states that previously issued assertions remain valid for reconnection
until their authority expires; states that continued issuance extends
access with no protocol-level bound. Non-normative note documents the
session-only vs deny-until-TTL trade-off. This verifier and endpoint are
follow-on code.

5. **Deletions**: bindings, enrollment, lifecycle, receipts, leases,
invalidation, delegation gone. "Out of scope" section names every issuer
and deployment concern explicitly.

### Companion profiles deleted

NIP-FI-CONF, NIP-FI-DELEG, NIP-FI-EDGE, NIP-FI-LIFECYCLE, NIP-FI-MODEL —
all presuppose relay-side binding/lifecycle state.

## What does NOT change

The entire `crates/buzz-auth/src/nip_fi/` Rust crate (PR 3 /
`70895b355`) implements the assertion-verification procedure described
in this spec. No Rust code changes in this PR. The
`require_attested_key` enforcement integration and the
`VerifyCommandJwt` / disconnect endpoint implementation are explicit
follow-on code work.

## Follow-on work (separate PRs after spec merges)

- `require_attested_key` forced-true startup enforcement
- `VerifyCommandJwt` implementation and disconnect endpoint
- Down-migration dropping migrations 0041/0042 (0042 before 0041 per FK
order)
- `schema.sql` NIP-FI sections removed
- `buzz-db` migration test blocks cleaned up

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
## Summary
- add the canonical public Databricks `Claude Fable 5.1` model record
- match the existing Fable family contract: adaptive thinking,
`low|medium|high|xhigh|max`, default `high`, Anthropic Messages, and no
normalization
- add generated Rust/TypeScript corpus coverage and canonical Global
Defaults label/persistence coverage
- remove deployment-specific catalog references from the repository

## Scope
This is metadata and regression coverage only. It does not change
model-capability resolution or production frontend logic.

## Validation
- `cargo fmt --check`
- `node --test
desktop/src/features/agents/ui/modelCapabilitiesCorpus.test.mjs`
- `cargo test -p buzz-agent`
- `pnpm build:e2e`
- `pnpm exec playwright test --project=smoke --grep 'defaults render the
Fable 5.1 label without changing the persisted id'` — 1 passed
- repository search for the removed catalog prefix — no matches

Signed-off-by: Kalvin Chau <kalvin@block.xyz>
Co-authored-by: am <6e30cd56c30e030cd31bb0939b94a7c257c9a09d5ba2d92cf2735da45629f248@buzz.block.builderlab.xyz>
**Category:** fix
**User Impact:** Top-level channel messages now notify only agents
explicitly selected for that message, while thread replies visibly
retain their addressed agents.

**Problem:** Channel-root and thread composers presented the same
automatic-mention model even though retained recipients are only
predictable within an ongoing thread. That could make a new top-level
message notify an agent the sender did not deliberately choose for that
message.

**Solution:** Make retained audiences a thread-only capability. Root
messages remain explicit and one-shot; threads retain visible, removable
agent recipients, with the automatic-mention setting exposed directly in
the mention picker.

<details>
<summary>File changes</summary>

**desktop/src/features/channels/ui/ChannelPane.tsx**
Removes persistent audience state from the channel-root composer.

**desktop/src/features/messages/ui/ComposerAddressControls.tsx**
Uses the broader **Manage mentions** label because the picker includes
people as well as automatic agent controls.

**desktop/src/features/messages/ui/ComposerAddressControls.test.mjs**
Locks the updated accessible label and active treatment.

**desktop/src/features/messages/ui/MentionAutocomplete.tsx**
Shows the right-aligned automatic-mention setting directly, uses
thread-specific copy, preserves keyboard/focus behavior, and keeps the
current mention when retention is unchecked.

**desktop/src/features/messages/ui/MentionAutocomplete.test.mjs**
Covers the always-visible setting, compact layout, copy, and
thread-scoped agent actions.

**desktop/src/features/messages/ui/MessageComposer.tsx**
Separates unpinning an agent for future replies from removing its
current draft mention.

**desktop/src/features/messages/ui/MessageComposer.types.ts**
Narrows retained audience contexts to threads.


**desktop/src/features/messages/ui/persistentAgentAudienceHosts.test.mjs**
Prevents channel-root and new-message hosts from opting back into
retained audiences.

**desktop/src/features/messages/ui/useAgentAddressLockPicker.ts**
Splits unpin and current-mention removal semantics.

**desktop/src/features/messages/ui/useAgentAddressLockPicker.test.mjs**
Verifies unpinning retains the current draft mention.

**desktop/src/features/settings/ui/AgentsSettingsPanel.tsx**
Describes the preference as addressing selected agents in thread
replies.

**desktop/tests/e2e/persistent-agent-audience.spec.ts**
Moves retained-audience lifecycle coverage to thread composers and adds
root, settings, layout, focus, keyboard, unpin, and draft regressions.

**desktop/src/features/messages/ui/MessageComposerAutocompletes.tsx**
Preserves composer focus ownership while routing the thread-only
controls.

**desktop/src/features/messages/ui/useComposerFocusOwnership.ts**
Keeps focus within the composer while interacting with its mention
overlay controls.

</details>

### Reproduction steps

1. Enable **Automatically mention agents** under agent settings.
2. In a channel root, select an agent and send a message. Confirm the
agent is addressed once, no retained-recipient control appears, and the
next root message has no agent recipient.
3. Open a thread and select an agent. Confirm the visible recipient
persists into later replies.
4. Open **Manage mentions** in the thread composer. Confirm the
automatic-mention setting is immediately visible, right-aligned, and
labeled **Address selected agents in thread replies**.
5. Uncheck a selected agent. Confirm its current draft mention remains,
while later replies no longer retain it automatically.

---------

Signed-off-by: Taylor Ho <taylorkmho@gmail.com>
Co-authored-by: Rizz <302abe414ca6e3134763d2539bfcf145aea2a63fe5f8455204ed602fd40cf381@buzz.block.builderlab.xyz>
Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@buzz.block.builderlab.xyz>
## Why

The monolithic CI workflow is a frequent merge-conflict hotspot.
Splitting cohesive domains into same-repository reusable workflows keeps
one centrally filtered entry point while letting Rust, desktop,
relay/PostgreSQL, client, and security CI evolve independently.

## What

- Keep `ci.yml` as the only push/pull-request orchestrator with
unchanged concurrency and path detection.
- Move 18 execution jobs into five `workflow_call`-only domain workflows
without changing their runners, steps, matrices, caches, artifacts,
permissions, or timeouts.
- Keep the relay artifact producer with desktop integration, the
complete PostgreSQL lane, and relay E2E consumers.
- Preserve all 12 existing required GitHub Actions contexts through
lightweight top-level compatibility gates, so the repository ruleset
does not need to change.
- Update the Rust-cache contract to follow Unit Tests into
`_ci-rust.yml`.

## Risk Assessment

CI-only change with moderate workflow-orchestration risk. The main risks
are reusable-workflow output propagation, skip behavior, and visible
check naming; the old required names remain explicit top-level jobs, and
the draft will stay open until an exact-head GitHub Actions run and
independent review are complete.

Generated with Codex

---------

Signed-off-by: Luke Tornquist <tornquist@squareup.com>
Signed-off-by: tornquist <tornquist@squareup.com>
…k#7250)

Replace the real user name in the shared ACP mention guidance with the
fictional `Alice Smith` example. Preserve the exact-display-name and
no-inference instructions while avoiding prompt priming from a real user
identity.

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Alia <d32955ad69077062930cc46cfe2df30ca9aaf6f8e76422681265e9e9af704d78@buzz.block.builderlab.xyz>
Co-authored-by: Alia <d32955ad69077062930cc46cfe2df30ca9aaf6f8e76422681265e9e9af704d78@buzz.block.builderlab.xyz>
Removes the dead relay-side authority ledger introduced by migrations
0041 and 0042, and the dead `require_attested_key` verifier knob from
`buzz-auth`. Both are unreachable by design under NIP-FI spec v2 (block#7214,
squash `d4420eb47`), which makes OSS Buzz stateless for identity: the
relay neither stores nor verifies an authority chain.

## What changes

**`migrations/0044_drop_nip_fi_ledger.sql`**
Drops all fifteen NIP-FI ledger tables and their trigger functions using
`CASCADE` to resolve the circular deferred FK between
`identity_bindings` and `identity_lifecycle_history`. Drops proceed in
FK dependency order: selectors → history/bindings →
enrollment_policies/receipts → parallel drop of auth tables. Restores
`community_write_fence_excluded_table` to its pre-0041 body (removes
NIP-FI table names from the exclusion array).

**`schema/schema.sql`**
Removes the NIP-FI section (~1885 lines of tables, functions, and
triggers) and updates `community_write_fence_excluded_table` to match.

**`crates/buzz-db/src/runtime/migration.rs`**
- Updates the `embedded_migrator_contains_consolidated_initial_schema`
sanity check: count 43→44, adds 0044 assertion block (verifies `DROP
TABLE` statements and absence of NIP-FI names from `schema.sql`).
- Removes ~2580 lines of NIP-FI Postgres integration tests (all
`#[tokio::test] #[ignore = "requires Postgres"]` from the 0041/0042
behavioral coverage).
- Removes the `extract_excluded_table_array` drift check (0042 body no
longer matches `schema.sql` by design).
- Adds `migration_0044_drops_populated_nip_fi_ledger_cleanly`: runs
migrations to 0042, seeds rows in `authorization_operation_receipts` and
`authorization_invalidation_domains`, then runs to 0044 and verifies all
fifteen NIP-FI tables are absent.

**`crates/buzz-auth/src/nip_fi/config.rs`**
Removes `require_attested_key: bool` from `IssuerPolicy` — field,
constructor parameter, accessor, and its contribution to
`derive_assertion_policy_id`.

**`crates/buzz-auth/src/nip_fi/verifier.rs`**
`parse_nostr_pubkey_claim` no longer takes a `policy` parameter. The
`None` (absent claim) arm now returns
`Err(VerifierError::ClaimRejected)` unconditionally instead of
conditionally on `policy.require_attested_key()`.

**`crates/buzz-auth/src/nip_fi/verifier/tests.rs`**
- Removes `missing_nostr_pubkey_denies_under_attested_key_policy` (the
sole `require_attested_key: true` call site).
- Removes `false,` from all eleven `IssuerPolicy::new` call sites.
- Injects `nostr_pubkey` by default in `mint_signed_by` (spec v2
requires it unconditionally).
- Updates `valid_access_token_verifies` to assert
`asserted_key().is_some()`.

**`crates/buzz-auth/src/nip_fi/startup/tests.rs` + `jwks/tests.rs`**
Removes `false,` from all `IssuerPolicy::new` call sites and adds
`nostr_pubkey` to all token-minting helpers.

## Verification

- Fresh-DB migration run to head: all migrations apply cleanly in
sequence.
- Populated-0041/0042-DB migration through 0044: seeds rows in live
NIP-FI tables, verifies all fifteen are dropped without error.

Closes the dead-code inventory item from the spec-v2 cleanup plan
(channel `48374f48`). Follows block#7214.

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
…ock#4625)

## Summary

Genericizes the agent effort write-side so Goose participates in the
same canonical effort contract as buzz-agent. A spawn bridge translates
the canonical key to whatever the target harness expects at launch time.
Read/write/spawn paths all derive their vocabulary from runtime metadata
rather than a hardcoded buzz-agent list.

## What changed

### Rust — config bridge + spawn path

- `apply_spawn_effort_env` in `effort.rs`: production command-boundary
seam — writes baked env, runs the effort projection, strips per-runtime
suppress set, and emits exactly one projected key.
- `apply_effort_to_spawn_command` in `runtime.rs`: thin wrapper
returning a `#[must_use] EffortApplied(())` token (private field —
unforgeable outside the function). `spawn_agent_child` calls it as `let
effort = apply_effort_to_spawn_command(...)` and passes `effort` to
`spawn_with_effort_proof`. Deleting the call is a compile error:
`effort` is undefined at the `spawn_with_effort_proof` site. Deleting
`apply_spawn_effort_env` inside the wrapper turns the
production-sequence tests RED.
- `apply_record_field_updates` in `agent_models_update.rs`: returns
`Result<RecordFieldsApplied, String>` (`#[must_use]` token).
`update_managed_agent` calls it as `let applied =
apply_record_field_updates(...)?` then passes `applied` to
`stamp_record_updated_at`. Deleting the call is a compile error:
`applied` is undefined at the `stamp_record_updated_at` site.
- Unknown/custom-runtime passthrough: `apply_effort_launch_to_command`
skips the suppress loop when `preserve_passthrough && value.is_none()`,
preserving ambient ACP sentinels.
- `EnvVarGuard`: prior value stored as `OsString` (`var_os`) so
non-Unicode values are restored exactly on Drop. A single
`PROCESS_ENV_MUTEX` in `managed_agents/mod.rs` is shared by
`lock_path_mutex()` and `lock_env_mutex()` — any two tests calling
either helper are mutually exclusive with each other. Tests in other
modules (`app_state_tests`, `agent_config_tests`, `reader_tests`)
maintain their own independent locks and are not in this domain.
- Dead-code: `strip_effort_keys_from_command` marked `#[cfg(test)]`;
import path in `effort_cmd_tests.rs` fixed.
- Windows CI fix: platform-gated variants for inherited-env tests.

### TypeScript — renderer + model cleanup

- `AgentConfigFields` orphan-model cleanup effect: the
`isHarnessNativeEffort` early-return was skipping the model clear on
provider→Custom transitions. Refined to: return early only when model is
already null; clear model once while preserving the harness-native
effort key (Carl P2).
- Provider-empty convergence: when model is null and effort is native,
the cleanup effect returns early (nothing to clear) — prevents spurious
`onConfigChange` loop.
- `EffortSelectField` / `humanizeEffortLabel`: runtime-native option
labels title-cased (`off` → `Off`) with raw canonical values preserved
for round-trip fidelity.
- `AgentConfigFields`: drives effort renderer from
`selectedRuntime.effortCanonicalValues` (harness-native path) or the
model/provider catalog (buzz-agent/provider path), selected by
`isHarnessNativeEffort`.

### Docs

- `desktop/src/features/agents/AGENTS.md` item 14: updated from deleted
`persistAgentEffortLevel` direct-write contract to the shipped
Save-gated `update_managed_agent.effortLevel` path. Consistent with
`EffortPickerField`'s own doc comment.

### Tests

- `agent_models_update_tests.rs`: seam tests via
`apply_record_field_updates` — non-local rejects, local set/clear,
ordering invariant, ACP-sentinel sweep.
`record_field_updates_persist_effort_to_disk` (renamed from the prior
false-claim name) drives load→apply→stamp→save→load via a mock AppHandle
+ tempdir, asserting `effort_level` persists to disk. Manual HOME/XDG
restore replaced with RAII `EnvVarGuard` (panic-safe, `OsString`-exact).
- `effort_cmd_tests.rs` / `effort_tests.rs`: production-sequence seam
tests via `apply_effort_to_spawn_command`. Spawns `/usr/bin/env` to
verify child's real env. `EnvVarGuard` for panic-safe restore. Windows
twin using `cmd /c set`.
- `effortAutoClear.test.mjs`: five mounted stateful journeys via
`AgentConfigFields` with `useCustomSelect=true`. Covers: custom trigger
shows "Off" at mount; provider-empty mount is a stable fixed point;
provider→Custom switch converges; stale Anthropic model cleared on
Custom switch with Goose effort preserved (Carl P2 regression);
Settings-style Save/reread preserves effort.
- `agentDefaultsEditor.test.mjs`: two full Save/Next journey tests
through the real production parent trees. Both start with
`GOOSE_THINKING_EFFORT: "low"` and operate the real Popover-based effort
control (click trigger → click "off" option) before Save/Next, asserting
zero writes after selection. The `set_global_agent_config` stub captures
the submitted payload; each test asserts raw `GOOSE_THINKING_EFFORT:
"off"` in the captured config. The stub stores its canonical response
from the actual payload; the fresh remount's `get_global_agent_config`
returns that stored object (not a hand-written fixture), then asserts
"Off" shown. The `DefaultConfigStep` test starts with `isDirty: false` —
the real-control effort selection calls `onConfigChange → updateDraft →
isDirtyRef=true`, making the `commit()` on Next load-bearing.

## Mutation evidence

- Delete `let effort = apply_effort_to_spawn_command(...)` call from
`spawn_agent_child` → compile error: `error[E0425]: cannot find value
`effort`` at `spawn_with_effort_proof` site.
- Delete `let applied = apply_record_field_updates(...)?` from
`update_managed_agent` → compile error: `error[E0425]: cannot find value
`applied`` at `stamp_record_updated_at` site.
- Delete `apply_spawn_effort_env` from inside
`apply_effort_to_spawn_command` wrapper →
`production_sequence_goose_inherited_collision_resolved_in_child` RED.
- Revert `isHarnessNativeEffort &&` guard in cleanup `useEffect` to bare
`if (isHarnessNativeEffort) return` → stale model not cleared → Carl P2
regression test RED.
- Remove `isHarnessNativeEffort ||` from the nothing-to-clear condition
→ provider-empty mount emits `onConfigChange` → loop test RED.
- Remove `isHarnessNativeEffort` branch in
`AgentConfigFields.tsx:634-636` → both `agentDefaultsEditor.test.mjs`
mount assertions fail: trigger shows "Select" instead of initial effort
label.
- Remove `preserve_passthrough` guard in
`apply_effort_launch_to_command` →
`production_sequence_custom_inherited_acp_sentinel_survives` RED.
- Drop `GOOSE_THINKING_EFFORT` from the `set_global_agent_config` stub
payload → payload assertion in `agentDefaultsEditor.test.mjs` fails
(`undefined !== "off"`) → RED (verified).
- Remove the effort-select dirtying steps from the `DefaultConfigStep`
test (so `isDirty` stays false) → `commit()` is a no-op → write-count
assertion after Next fails (0 instead of 1) → RED.

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Signed-off-by: Hayt <9e1c23a3fd83f61da34420e4e88ff1b16e45cafcc0cd9019eb07d4ecfa8ca9b0@buzz.block.builderlab.xyz>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Co-authored-by: Hayt <9e1c23a3fd83f61da34420e4e88ff1b16e45cafcc0cd9019eb07d4ecfa8ca9b0@buzz.block.builderlab.xyz>
🤖

## Summary

An agent you own could be missing from **New message → To:** and
**Channel members → Add people and agents** on a machine that has never
managed it. This PR lets those existing lists find your agent without
requiring a shared channel first. Desktop now checks records proving you
own it, rather than looking only at agents in channels you've already
joined.

**No new screen or control is added.** For example, an agent with
verified ownership and **Who can send instructions → Only me (default)**
can now appear even with no shared channels. Each screen still applies
its existing access rules; this does not make every discovered agent
selectable everywhere.

| Screen / control | Before | After this PR alone |
| --- | --- | --- |
| **New message → To:** recipient picker | An owned agent absent from
this machine and shared-channel bot lists could be missing. | Its named
**agent** row can appear; selecting it adds a recipient chip. This is
recipient selection, not a guarantee that a later message will reach or
wake the agent. |
| **Channel members → Add people and agents** | The same agent could be
missing from **Not in this channel** search results. | Its row can
appear with the existing **Add** button. If you can add members, that
button submits the existing channel-membership request; finding the row
alone changes no membership. |
| **Stream / forum composer → @ suggestions** | An owned agent already
in the channel under an ordinary member role could be missing from agent
suggestions. | Its actual membership is recognized without requiring the
bot role. Agents not managed on this device still need membership in
that channel. |
| **Pulse → Agents** | An agent absent from both local management and
the server's agent list was omitted from the count and author lookup. |
The count and feed's author lookup can include it; notes appear only if
it has published them. |

Being listed does **not** mean the agent is online, add it to a channel,
or grant local Start/Edit controls. For agents not managed on this
device, global **Search** still excludes those configured for “Only me”,
and DM @ selection is not added here. DM @ selection and message-driven
nonmember invitation are addressed in
[block#7124](block#7124); the standalone forum
**Invite / Cancel** flow is in
[block#7125](block#7125).

<details>
<summary>Ownership and membership checks</summary>

A discovery lead is not proof: the latest agent profile must have a
valid signature and exactly one valid ownership attestation—the owner's
signed link to that agent. Its response policy must be signed by that
verified owner; an invalid latest policy cannot restore an older
permission. Membership comes separately from the latest server-signed
roster, including removals.

Existing profile cards, owner labels and agent-avatar shapes also use
this stricter verification: malformed or forged evidence must not supply
ownership/agent classification on its own. Valid ownership was already
recognized; no profile-picture or badge design changes.

Attestation time conditions apply to the signed event's timestamp, not a
live expiry timer. Existing legacy compatibility and builds requiring
verified owner policy retain their respective rules. Discovery and
sending remain separate operations, not an atomic permission check.

</details>

### Review corrections

- When runtime and owner policy overlap, **explicit online/away/offline
from the verified latest runtime is retained**. Policy still supplies
ownership/permissions; claimed runtime membership is not restored.
Missing/unrecognized status stays unknown, and invalid latest policy
cannot revive runtime permissions.
- Discovery without runtime evidence is now **unknown**, not offline:
native conversion, both IPC adapters, Pulse, Projects and
profile/session consumers preserve that distinction. Unknown has no
status dot and is not promoted to a deployed/running agent.
- Both relay-only picker paths retain the authenticated owner, including
the existing **managed by you** label. The analogous global Search
projection is fixed without changing its existing “anyone” filter.
- Authorized stored profile activity remains visible when liveness
becomes unknown/absent or the active turn ends. History reads do not
start a live subscription, grant access, or imply current availability.

### Related issue

Independent base: `main`. Child:
[block#7124](block#7124), then
[block#7125](block#7125). Extracted from
[block#7114](block#7114), retained as historical
source (`98fe33ec`).

[Behavior
contract](https://github.com/block/buzz/blob/3a56d17824522580fe04cae463b54f4c7ba66021/docs/owned-agent-discovery.md).
Originating [Buzz
discussion](buzz://message?channel=f7a9536a-1738-4bad-a888-b3ea25010ef1&id=7aa1f0ab23dce514bd8a0221441cf005bf428914621171472b79747c50820848)
· channel `f7a9536a-1738-4bad-a888-b3ea25010ef1`.

### Testing

Current candidate: `3a56d17824522580fe04cae463b54f4c7ba66021`, a
four-file native/test/doc runtime-status repair atop published
`ae23c1c9680a881cee7eed94e259bf15bf8ce3f7`. Branch ancestry is main
`1c8321cd08feb597f8bcff5195c21148fb3e98ed`; refreshed main
`0e878664b08cdf7fb2d89d940bc2aa92cdc485f7` adds only the independent
CI-workflow split. Read-only mergeability succeeds; this is not a tested
merged-tree claim.

**Local CI attempt and continuation (not an uninterrupted green run):**
the new exact-head `just ci` passed formatting/static checks, workspace
and Tauri clippy, workspace Rust tests, **5,910 desktop tests**, desktop
production build and Tauri check. Its native main target finished
**3,073 passed / 1 failed / 19 ignored** (exit 101):
`cheap_discovery_reports_absent_before_any_forced_probe` saw a
process-global login-shell counter of 2 instead of 0. The counter
includes unrelated version/adapter probes whose tests do not hold the
failed test's PATH mutex; no managed-agent discovery implementation
changed in the runtime repair. The unchanged failing test then passed
**three isolated invocations**. Only the failed native workspace lane
was retried with `RUST_TEST_THREADS=1 just desktop-tauri-test`: **3,074
main-target tests passed / 19 ignored**, all additional workspace
targets passed (exit 0). The previously unrun `just web-build
mobile-test` tail then passed (exit 0; **2,019 mobile tests**). Earlier
successful lanes were reused; no source/guard changes or blanket CI
rerun. The original failure and all diagnostic/retry logs are retained.

- **71 native `nostr_convert` tests pass**, including seven new
production merge regressions: online/away/offline, missing/invalid
status, policy-only, status-less latest replacement and forged latest
replacement. Before production repair, those seven yielded **4 failures
/ 3 passing controls**.
- Reused frontend evidence from `ae23c1c9` (frontend is unchanged):
Desktop TypeScript and isolated E2E build pass; **9 browser tests / 0
retries**, covering both relay-only picker journeys and seven adjacent
stop-control regressions. Real UI with mock Tauri IPC, not live
relay/native webview.
- Earlier `ae23c1c9` local `just ci` passed without failures, including
3,067 native main-target tests / 19 ignored and 2,019 mobile tests; not
substituted for the new source gate above.
- Reused unchanged repair evidence: **17 real-store/hook history
regressions**, **161 focused tests**, and independent **9 mounted
owner/bot/identity revocation/regrant transitions** with zero hook-phase
native calls. The regression was falsified before repair (14 failures, 3
controls).
- Signed local-server fixtures cover discovery with no local/shared
record, ordinary-role membership, forged ownership, invalid signatures,
duplicate authentication, wrong-owner/latest-invalid policy, revoked
membership and wrong destinations. These establish native data checks,
not a live agent response.

GitHub checks and renewed technical/security review must apply to the
current published head; earlier-head green checks are not
replacement-head proof. Local source review is not formal
code-owner/latest-push approval or exact-range security authorization. A
green security workflow with substantive review skipped is not security
clearance.

### Screenshots

#### Relay-only picker evidence —
`ae23c1c9680a881cee7eed94e259bf15bf8ce3f7`

These cropped rows come from the two real production picker journeys in
[`owned-agent-discovery.spec.ts`](https://github.com/block/buzz/blob/ae23c1c9680a881cee7eed94e259bf15bf8ce3f7/desktop/tests/e2e/owned-agent-discovery.spec.ts),
using mock Tauri IPC with **no local agents and no user-search
duplicate**. The fixture supplies verified-owner data and unknown
availability; the browser test checks its presentation, not native
signature verification. Both exact-tip journeys pass without retries. No
live relay, native webview, invitation, delivery or wakeup is claimed.

Before the repair, both relay-only candidate constructors discarded the
owner, so the existing “managed by you” label was absent. These are
after-repair captures; no before image was captured.

#### New Message → To
The relay-only agent retains its authenticated owner label.


![new-message-owner](https://raw.githubusercontent.com/block/buzz/536c6d3c90776cf85b1d5ce58666f2c8ad518829/pr-7122--new-message-owner.png)

#### Channel members → Add people and agents
The matching result retains “managed by you” beside the existing Add
action; the test does not click Add or claim membership changed.


![member-add-owner](https://raw.githubusercontent.com/block/buzz/536c6d3c90776cf85b1d5ce58666f2c8ad518829/pr-7122--member-add-owner.png)

---------

Signed-off-by: Logan Johnson <loganj@squareup.com>
Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz>
…lock#7131)

🤖

## Summary

In Buzz Desktop, clicking a message from stopped agent A could open
running agent B—and B's controls—because both shared a persona (an agent
definition). This now opens the author you clicked and only that agent's
own controls, so you can inspect an old message without being redirected
to a different running agent.

An explicit public key—the identifier for one agent—now stays exact
across message authors, members, DMs, deep links and Instances rows,
including stopped, archived and relay-only agents. Local controls come
only from a matching local record for that key. A relay-only A cannot
borrow B's Start/Stop/Edit controls or configuration.

Deliberately opening a **persona** is different: it can still select a
representative that respects archived instances or offer Start when none
remains. The change removes competing historical-persona redirects
rather than adding another identity exception.

### Related issue

Independent base: `main`; no stack parent or child among the
replacements. Extracted from
[block#7114](block#7114), retained as historical
source (`98fe33ec`).

[Behavior
contract](https://github.com/block/buzz/blob/9c4b6523ceaef0f3d92906fcdb5d9a3b9ede7e17/docs/agent-profile-identity.md).
Originating [Buzz
discussion](buzz://message?channel=f7a9536a-1738-4bad-a888-b3ea25010ef1&id=7aa1f0ab23dce514bd8a0221441cf005bf428914621171472b79747c50820848)
· channel `f7a9536a-1738-4bad-a888-b3ea25010ef1`.

### Testing

Synthetic Playwright mock-bridge state. After screenshots exercise this
independent profile extraction (`df6612b1`); no availability or
cloud-marker implementation is included.

#### Before: historical A redirects to running B
Unchanged main product code (`bc006f67`) with the same updated
historical-message fixture fails: clicking Earlier Parity Agent opens
Current Parity Agent and its Stop control.


![01-before-historical-redirect](https://raw.githubusercontent.com/block/buzz/2acd989f6eae9e7bc1ce5ae5eeafcbc1704f605f/pr-7131--01-before-historical-redirect.png)

#### After: historical A opens A
The clicked author remains Earlier Parity Agent, with A's public key and
its own Start control. The current sibling is not substituted.


![02-after-historical-exact](https://raw.githubusercontent.com/block/buzz/2acd989f6eae9e7bc1ce5ae5eeafcbc1704f605f/pr-7131--02-after-historical-exact.png)

#### Exact relay-only A while local sibling B exists
A's public key and owner-scoped profile are visible; no local
Start/Stop/Edit/Add control or sibling definition is borrowed.


![03-exact-relay-with-local-sibling](https://raw.githubusercontent.com/block/buzz/2acd989f6eae9e7bc1ce5ae5eeafcbc1704f605f/pr-7131--03-exact-relay-with-local-sibling.png)

#### Explicit persona navigation may select local B
Deliberately opening the persona selects its local representative, with
B's key and legitimate Stop/Restart/Edit controls.


![04-explicit-local-persona](https://raw.githubusercontent.com/block/buzz/2acd989f6eae9e7bc1ce5ae5eeafcbc1704f605f/pr-7131--04-explicit-local-persona.png)

#### Explicit persona without an instance may offer Start
This is a deliberately opened persona, not a relay-only key turned into
a persona surface.


![05-explicit-persona-without-instance](https://raw.githubusercontent.com/block/buzz/2acd989f6eae9e7bc1ce5ae5eeafcbc1704f605f/pr-7131--05-explicit-persona-without-instance.png)

[Original screenshot
publication](block#7131 (comment));
all five immutable image URLs and captions retained here. The final
documentation-only commit does not change this UI. These are synthetic
browser fixtures, not live runtime health evidence.

To check manually, open an old message from stopped A while same-persona
B is running; compare the displayed key and controls. Then open the
persona itself and verify that representative selection still works.

#### Evidence and limitations

**5,793 desktop tests**, **56 profile/archive browser cases**,
type/static/size checks and repository-wide `just ci` passed. The
historical-message regression fails on unchanged main by opening B
instead of A. [Published-head CI
passed](https://github.com/block/buzz/actions/runs/33422207592).

The [advisory security
check](https://github.com/block/buzz/actions/runs/33422240973) timed out
without a result; it is not a passing check. No availability,
cloud-marker, discovery or mention-routing change is included. These
screenshots do not establish remote delivery, agent execution or
termination.

#### Security authorization history (audit, not clearance)

The [security
gate](block#7131 (comment))
remains visible and unresolved. Existing authorization-request comments
were posted by `loganj`: [old-head
request](block#7131 (comment))
for `df6612b1db5a6f8d128cef955fd66a80b6828cb8` at 2026-08-31 17:55:11
UTC, then [current-head
request](block#7131 (comment))
for `9c4b6523ceaef0f3d92906fcdb5d9a3b9ede7e17` at 17:55:57 UTC. The
existing [issue-comment workflow
run](https://github.com/block/buzz/actions/runs/33422240973) ended
cancelled after the previously reported timeout; it did not produce a
completed security review. Latest exact-head Run/Post Codex jobs are
skipped, not security approval. Historical comments remain available at
their original links; consolidating their audit here does not withdraw
authorization or clear the gate. An authorized security workflow owner
must arrange the missing exact-range result.

---------

Signed-off-by: Logan Johnson <loganj@squareup.com>
Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz>
## Why

Buzz already reports coarse writer/reader database checkout waits, but
those
signals cannot explain which startup or serving operation is blocked by
pool
pressure. That makes rollout diagnosis and postmortems ambiguous: a
readiness
probe, NIP-42 authentication, authorization check, reconnect history
repair,
event write, and background maintenance can all wait on the same pool
while
appearing identical.

This PR implements Package 2A of the pod-handoff plan: operation-aware
pool
borrow causality. It is observability-only; it does not change
configured pool
sizes, SQL semantics, transaction ordering, or timeout policy. Physical
DNS/TCP/TLS/Postgres authentication and session initialization remain
the
separate Package 2B boundary.

## Metric contract

The final contract separates three questions:

| Question | Metric |
|---|---|
| How long did checkout wait? |
`buzz_db_pool_acquire_duration_seconds{pool_role,operation}` |
| How did the attempt end? |
`buzz_db_pool_acquire_attempts_total{pool_role,operation,outcome}` |
| Who is waiting now for a tracked operation? |
`buzz_db_pool_waiters{pool_role,operation}` |

Outcomes are `success`, `timeout`, `error`, and `cancelled`. Operations
are
`bootstrap`, `readiness`, `tenant_resolution`, `authentication`,
`authorization`, `subscription_history`, `event_write`, and
`maintenance`.

Only these eleven pool/operation pairs are constructible:

```text
writer/bootstrap                 reader/bootstrap
writer/readiness
writer/tenant_resolution
writer/authentication
writer/authorization             reader/authorization
writer/subscription_history      reader/subscription_history
writer/event_write
writer/maintenance
```

The duration histogram intentionally does not carry `outcome`. Result
data
remains available on the terminal counter for historical counts and
rates,
without multiplying the expensive histogram family. Nine finite buckets
plus
`+Inf`, sum, and count produce 12 duration series per valid pair.
Together with
four outcome counters and one waiter gauge, the new-family ceiling is
exactly
187 raw Prometheus series per pod, asserted from the production
exporter.

The existing coarse acquisition families remain temporarily for
dashboard
compatibility while the new series are validated in staging.

The operation-specific waiter family covers the explicitly routed,
deployment-critical operations above; it is not a census of every
possible
SQLx checkout in the process. The dashboard pairs it with SQLx pool
active/idle/max gauges for whole-pool capacity context, and treats a
missing
operation series as unknown rather than healthy zero.

## What changed

### Cancellation-safe acquisition ownership

- Add writer- and reader-specific typed operation APIs so invalid label
pairs
  cannot be constructed and store modules cannot emit reader labels.
- Own every polled acquisition with one RAII terminal guard.
- Record exactly one duration and terminal outcome for success, timeout,
error,
  or cancellation.
- Emit nothing for a future that is created but never polled.
- Balance the operation-specific waiter count exactly once on every
terminal or
  dropped future.
- Periodically refresh every expected waiter pair, including healthy
zero, so
missing telemetry is not presented as zero. Reader pairs are emitted
only
when a distinct read pool is configured; a writer-only pod cannot
fabricate
  healthy reader-zero state.

### Production attribution

Route the deployment-critical acquisition paths through caller-owned
semantic
entry points, including:

- writer and reader bootstrap;
- the real post-block#7149 readiness acquisition and deletion-catalog
validation;
- tenant resolution and community lifecycle checks;
- NIP-42 allowlist authentication;
- membership, moderation, invite, operator, Git, agent-owner, and policy
  authorization;
- operator community create/list/archive/unarchive, reverse host/channel
tenant
  resolution, and REQ row-community conformance lookups;
- writer/reader subscription history, feed, thread, and routed fallback
paths;
- primary and command event writes, replaceable events, mention
indexing,
  reaction/channel/member/archive side effects, and thread metadata;
- push matching, usage rollups/leadership, replica-fence startup and
recurring
probes, periodic reconciliation, channel/deletion reapers, partitions,
and
  other bounded maintenance/bootstrap paths.

Shared helpers now accept caller-owned intent or expose named semantic
variants
instead of assigning one misleading operation to every caller. No known
P0 path
uses `other`.

### Readiness and size-one-pool correctness

- Rebase on the post-block#7149 readiness implementation and instrument the
actual
`Db::readiness_check` acquisition rather than the superseded ping-only
seam.
- Acquire once for deletion-catalog validation and run its queries on
that
  connection, preserving the shared readiness deadline.
- Scope the channel-roster catalog checkout before the behavior probe so
a
  size-one writer pool cannot self-deadlock during startup verification.

### Exporter, documentation, and CI

- Register metric HELP/type/unit metadata through the production
Prometheus
  builder.
- Configure dedicated checkout buckets at 1ms, 5ms, 10ms, 25ms, 50ms,
150ms,
  500ms, 1s, and 3s.
- Add a production scrape-contract test for exact names, labels,
buckets,
  valid pairs, sensitive-label exclusion, and the 187-series ceiling.
- Add source mutation guards for the P0 semantic entry points and
raw-checkout
  bypasses.
- Add an exact backend-integration CI selector for the production
attribution,
  cancellation, readiness, and size-one-pool PostgreSQL tests.
- Document the frozen label vocabulary, valid combinations, semantics,
and
  cardinality budget in the Helm chart README.

## Dashboard intent

The new Stage 2 row in **Buzz Startup & Rollout Safety** is
deployment-first:

- baseline-versus-candidate attempts, failure rates, cancellation rates,
and
  maximum wait by operation;
- outcome counts and percentages over time by SHA/ReplicaSet;
- acquisition wait heatmap, average, and maximum through the rollout;
- historical waiter pressure beside writer active/idle/max context;
- per-pod postmortem drilldown, including terminated pods;
- a smaller current-waiter table with explicit stale/missing semantics.

Percentile widgets remain disabled until Datadog metadata confirms
percentile
support for the new distribution. Current gauges use no fill,
interpolation, or
`default_zero`; missing means unknown.

## Risk assessment

Moderate. The patch touches many database acquisition call sites, but
preserves
the selected physical pool and executes the same SQL on the acquired
connection. The main risks are incorrect semantic attribution,
cancellation
double-counting, and a helper accidentally acquiring twice. Typed APIs,
production-method PostgreSQL tests, source guards, the raw scrape
contract, and
the size-one-pool regression cover those risks.

No tenant, community, user, pubkey, event, channel, SQL, URL, pod,
version,
ReplicaSet, or request-controlled value is emitted as an application
metric
label. Deployment identity is supplied by infrastructure enrichment.

## Verification

- `cargo fmt --all -- --check` — passed.
- `cargo clippy -p buzz-db -p buzz-relay --all-targets --all-features --
-D warnings`
  — passed.
- `cargo test -p buzz-db` — 122 passed, 0 failed, 263 ignored;
  source-contract integration test: 3 passed, 0 failed.
- Focused relay compatibility, metric-contract, and readiness tests —
passed.
- `scripts/test-postgres-test-discovery.sh` — passed.
- Full `buzz-relay` package run from the identical tree reached 1,015
passes;
the six media-test failures all stopped in their shared local PostgreSQL
setup with `Sqlx(PoolTimedOut)` because Docker/PostgreSQL was
unavailable.
The same six failed in isolation, while every changed exact test passed.
- Exact implementation head:
  `f92910b353086e9edf85918ca5f72190edbbe22f`.
- Exact multi-architecture staging image:
  `dev-sha-f92910b353086e9edf85918ca5f72190edbbe22f-run-33607968668-1`

(`sha256:161712c8ed2e265a15df9b63e02248d5973481f875ff129d7d2ae78a09d487a2`).
- Focused staging GitOps PR:

<squareup/builderbot-platform-core-infrastructure#299>
— merged after renderer, inventory, infrastructure test, Kargo, Semgrep,
and
Intersect gates passed; the source/generated-artifact diff was exactly
two
  image lines.
- Exact GitHub head reports 47 terminal checks: 35 successful and 12
  intentionally skipped. PostgreSQL, unit, lint, security, both server
cross-compiles, backend integration, relay E2E, desktop, mobile, image,
  Helm, Semgrep, zizmor, and DCO gates are green.
- Datadog readback identifies two exact-image pods,
  `buzz-d79c8d8f7-ckv2l` and `buzz-d79c8d8f7-qzqdp`, in ReplicaSet
  `buzz-d79c8d8f7`; both report the full source SHA above.
- Both pods report all eleven allowed pool/operation waiter pairs at
current
zero, with no invalid pair. The acceptance window observed nonzero
success
  receipts for readiness, tenant resolution, authorization, subscription
history, event write, and maintenance, and no timeout, error, or
cancelled
outcome. Maximum observed wait was about 101 ms for maintenance and 50
ms
  for reader subscription history.

The main **Buzz Startup & Rollout Safety** dashboard now has a live
Stage 2
database row with eight widgets and nineteen fully scoped queries. Final
readback preserved all seven top-level groups, found zero under-scoped
Row 6
queries, and confirmed the tracked-operation waiter boundary in the
panel
descriptions.

Generated with Codex.

---------

Signed-off-by: Ravneet Arora <rarora@squareup.com>
**Category:** fix
**User Impact:** Wrapped channel and mention chips in the chat composer
now align continuation text with the chip edge while keeping the icon on
the first line.

**Problem:** Plain composer decorations used absolute icons plus cloned
icon-sized padding, so every wrapped fragment inherited an empty icon
gap and the icon aligned against the union of all lines. **Solution:**
Keep the icon in the first fragment's inline flow and restore normal
chip padding on continuation fragments, while explicitly leaving the
separate wrapping Buzz-link and sent-message rendering paths unchanged.

<details>
<summary>File changes</summary>

**desktop/src/shared/styles/globals/composer.css**
Scopes in-flow icon geometry and normal continuation padding to plain
composer mention and channel decorations, excluding wrapping atom-link
chips and preserving the human-icon vertical correction.

**desktop/tests/e2e/mentions.spec.ts**
Adds a rendered narrow-composer regression that checks two fragments,
static icon geometry, first-line icon space, and continuation-line
alignment to ordinary chip padding.

</details>

## Reproduction steps

1. Open a channel in Buzz Desktop.
2. Narrow the chat composer enough for `#all-replies` to wrap.
3. Confirm the channel icon occupies only the first line and `replies`
starts at the chip's normal left padding rather than an icon-sized
inset.
4. Send or view a long inline Buzz chip in the message list at a
constrained width.
5. Confirm its icon remains attached to the leading fragment and its
remaining label continues cleanly on following lines.

## Screenshots

**Composer — wrapped `#all-replies` channel reference**

![Wrapped channel reference in the narrow dark-theme
composer](https://d24qwcpro867f5.cloudfront.net/repos/buzz/prs/7242/composer-wrapped-channel.png)

**Message list — existing wrapped inline-chip rendering preserved**

![Wrapped repository chip in a sent message at constrained
width](https://d24qwcpro867f5.cloudfront.net/repos/buzz/prs/7242/message-list-wrapped-chip.png)

Signed-off-by: Taylor Ho <taylorkmho@gmail.com>
Co-authored-by: Carl <acda9e433d19dcd0e6b6840f7f4b98f3a56f1fab98049d444c087019e6d36560@buzz.block.builderlab.xyz>
…ress (block#7254)

Spec revision following two decisions: Option B admin deny (2026-09-02)
and the HTTP ingress ruling (2026-09-02). Revises `docs/nips/NIP-FI.md`
only. Follows block#7214 (merged spec v2).

## What changed

### Admin disconnect: session-only → deny-until-TTL

The disconnect operation proceeds in two steps, in order:

1. Insert a memory-resident deny entry keyed by `(iss, target_pubkey)`
with absolute expiry `until` — atomically combined with the `(iss, jti)`
replay-identity reservation as one all-or-nothing mutation. If the deny
set is at capacity (per-issuer bound), the relay rejects `503`; neither
the jti nor the deny entry is recorded, and the caller may safely retry
the same signed command.
2. Close all live WebSocket connections for the target pubkey,
synchronously.

The single atomic admission mutation (jti reservation + deny-entry
insertion) lives inside `VerifyCommandJwt` step 7, after all pure
authorization checks. The endpoint only closes sessions on success. This
ordering ensures a capacity failure leaves no state behind and makes the
retry-safe 503 contract implementable.

The deny set is RAM-cache only — no durable storage, no schema changes.
The same operational posture as the JWKS snapshot. A relay restart MAY
forget active entries; the issuer SHOULD re-push still-active deny
entries on observed restart (same publish/cache pattern as JWKS). If the
issuer stops issuing assertions and re-push completes before any
expired-entry reconnection attempt, residual exposure after restart is
bounded by `max(0, min(exp, iat + maximum_assertion_age) - now)`. If the
issuer continues issuing or re-push does not complete in time, that
formula does not apply and access may continue beyond it.

**`until` claim:** Required on the disconnect command JWT. Because an
assertion accepted at the future-skew boundary (`iat <= now + skew`)
remains valid until `iat + maximum_assertion_age`, the latest possible
authority deadline is `now + skew + maximum_assertion_age`. The relay
enforces `until <= now + skew + maximum_assertion_age`. A value above
this ceiling rejects `400`; a past `until` still closes live sessions —
absent an active same-key entry it creates no future denial, while an
active entry remains unchanged under the merge rule.

**Capacity and eviction (per-issuer):** The relay MUST bound the deny
set size **per issuer**. Capacity exhaustion under one issuer MUST NOT
cause rejection of another issuer's commands; the `503` capacity check
is evaluated against the command's own issuer bound. Implementations
MUST evict only expired entries; when an issuer's partition is at
capacity and all entries are still active, the relay MUST reject the new
command `503` without removing any existing entry. There is no LRU
eviction of active denies.

**Issuer-global deny:** The deny entry applies to admission across all
communities served by the relay under that issuer. Identity-level
revocation is intentionally not community-partial.

**Cross-replica propagation:** In a deployment with multiple relay
processes, the deployment MUST propagate both the session-close and the
deny entry to every process serving admissions for the issuer's
communities. The mechanism is deployment-defined (e.g. the existing
inter-process message bus, same posture as JWKS convergence).
Propagation is asynchronous with no protocol-level completion bound. The
issuer re-push duty is the recovery path for lost propagation, exactly
as for relay restart.

**Response shape:** A successful disconnect responds `{"disconnected":
true}` regardless of how many sessions were closed. No session count is
returned; a count would aggregate activity across communities and
constitute an information leak.

**Admission procedure:** Step 5 registers the session's proven `k`
before the deny-set check (new step 6) — ensuring any connection that
straddles a concurrent disconnect is caught by one side or the other.
`FI-TRACE-DENY-SET` oracle covers the per-issuer capacity rule and the
straddling termination requirement.

### HTTP ingress enforcement

Without explicit enforcement, a protected HTTP surface (bridge, invites,
media, git) with NIP-98-only authorization allows a principal holding an
active key to mint fresh NIP-98 events indefinitely — NIP-98 proves key
possession only, not identity. Without assertion verification there is
no expiry bound; the key remains valid for as long as it is accepted.

**Pairing rule:** in enforce mode, a protected HTTP request MUST carry
both:

```
Authorization: Nostr <base64-NIP-98-event>
Nostr-Federated-Identity: Bearer <compact-JWS>
```

The NIP-98 pubkey MUST equal the assertion `nostr_pubkey` claim.
Missing, mismatched, or invalid evidence of either kind denies, fail
closed.

**Verification:** reuses `VerifyAssertion` unchanged — offline, same
JWKS, same claim requirements, same denial classes.

**Per-request:** HTTP is sessionless; every request re-verifies. No
session lifetime, no cached admission. The cumulative residual bound
applies per request.

**Deny-set applicability:** the deny-until-TTL entry introduced above is
consulted per HTTP request identically to WebSocket admission.

**Protected surface:** deployment-configured set of routes, fail-closed
default (unclassifiable routes treated as protected). No normative route
names in the spec.

`FI-TRACE-HTTP-INGRESS` oracle added. Security considerations updated
with HTTP ingress bypass analysis. NIP-98 source reference added.

### Other changes

- `authorization_denied` rejection table row updated to "active deny-set
entry for pubkey".
- Discovery: `maximum_residual_upstream_revocation_seconds` remains
`null` — the deny-until-TTL model is best-effort RAM state and provides
no unconditional finite revocation bound.
- Rejection and privacy: explicit sentence for HTTP denial path.
- Client-attached transport: opening sentence generalized to cover both
WebSocket and HTTP.

## Scope

Single file: `docs/nips/NIP-FI.md`. No code changes.

References block#7214. Channel: buzz-enterprise-identity-spec-v2
(#a6fe0b1c-987a-43c5-a974-71ee36678d78).

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
…elay slowness (block#7188)

Three client gaps turn transient relay failures into permanent UI
degradation. Under a slow or rate-limited relay:

1. A cold channel's profile batch exhausts its single retry and leaves
raw npubs + broken mention chips until the user manually kicks the
channel.
2. A thread opened from a notification trusts a successful-but-empty
reply read as authoritative and never retries.
3. A rate-limited `CLOSED` on a history subscription immediately rejects
the caller rather than retrying after the rate-limit window.

All three are addressed without changing global query defaults or the
happy-path behavior.

## Changes

**Fix 1 — cold profile batch resilience** (`useUsersBatchQuery`,
`desktop/src/features/profile/hooks.ts`)

Override `retry: 3` with exponential backoff and error-gated
`refetchOnWindowFocus: (query) => query.state.status === "error"`,
scoped to this query only. The global defaults (`retry: 1`,
`refetchOnWindowFocus: false`) are intentional for other queries and are
unchanged. After the retry budget exhausts, a window-focus event (e.g.
channel-switch) recovers the query automatically — but only when it is
already in an error state, preventing unnecessary refetches for
successful batches.

**Fix 2 — stale-empty thread reads** (`useThreadReplies.ts`,
`ChannelScreen.tsx`)

Add optional `expectedEventId` parameter. When a completed paged fetch
does not contain the expected event, throw
`ThreadExpectedEventMissingError` so React Query's built-in retry
machinery handles it rather than caching an authoritative empty.
`ChannelScreen` passes `threadScrollTargetId` (the notification-linked
reply ID) as `expectedEventId`.

When notification routing changes `expectedEventId` while the same
thread root is already mounted (same query key), an explicit
`invalidateQueries` in a `useEffect` triggers a fresh validation pass.
The `useEffect` is declared after `useQuery` so TanStack's internal
options-update effect installs the new `queryFn` closure first; the
refetch therefore uses the current `expectedEventId` rather than the
previous null closure. For the cold-start race (target arrives before
the first page returns), the effect detects `fetchStatus === "fetching"
&& status === "pending"` and calls
`cancelQueries().then(invalidateQueries)` so the obsolete in-flight
response cannot settle as authoritative before the new target's
validation closure is active.

The query-fn tracks consecutive fetch attempts per target. On attempt 3,
it adds the target to `exhaustedTargetsRef` before calling
`loadThreadReplies`. `loadThreadReplies` sees the target in the
exhausted set and returns the fetched replies directly rather than
throwing — the terminal attempt always resolves to success. No
re-entrant scheduling: the resolution is synchronous inside the query
function itself. Deleted/moderated targets never lock the thread in a
terminal error surface.

**Fix 3 — CLOSED recovery for history subscriptions**
(`relayClosedRecovery.ts`, `relayClientSession.ts`,
`relayClientShared.ts`, `relayGateBoundary.ts`)

On a rate-limited `CLOSED` the subscription previously rejected the
caller immediately. Store `filter` and `timeoutMs` on
`HistorySubscription`, then on rate-limited `CLOSED` re-register under a
fresh `subId` and defer `sendReq` until the rate-limit window clears —
matching the live-sub recovery design already present in
`relayClosedRecovery.ts`. Bounded to 3 attempts; exhausted retries
reject immediately so callers are never left waiting indefinitely. A new
op-timeout guards the retry REQ against a non-responding relay; when the
op-timeout fires it sends `CLOSE` for the rotated `subId` (matching the
behavior of the original timeout path) so the relay releases the slot
rather than counting it against the per-connection cap.

## Tests

- `relayClosedRecovery.test.mjs`: behavioral fake-clock tests for
history-sub retry, 3-attempt exhaustion, op-timeout CLOSE send +
late-EOSE non-regression, rejecting-`closeSubscription` swallowed
without unhandled rejection, wiring source assertion (fails if
`relayClientSession.ts` drops the `closeSubscription` callback) — 18
tests
- `useThreadReplies.test.mjs`: `loadThreadReplies` unit tests
(throw/exhaustion-guard); behavioral hook tests via real
`QueryClientProvider` + `renderHook`: exhaustion-resolves-to-data,
settled null→target change retries on missing-target page and lands
target data (fails if `invalidateQueries` is removed OR if `useQuery` is
moved after the `useEffect`), cold-fetch cancel-then-invalidate (gated
fetcher — released after rerender, stale empty discarded, replacement
fetch settles with target); ChannelScreen wiring source assertion — 9
tests
- `profileBatchResilience.test.mjs`: source assertions for `retry: 3`,
`retryDelay`, error-gated `refetchOnWindowFocus`, and unchanged global
defaults — 2 tests

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
## Summary

- add a persistent, community-scoped Bestie designation for local
managed agents
- surface the designated agent in the sidebar, agent library, profile
actions, message toolbar, and draggable floating shortcut
- bloom the floating shortcut into a lightweight compact composer that
reuses the normal DM timeline, reactions, presence, and send behavior
- support message handoff with a bounded snapshot and a full Buzz thread
link so the agent can retrieve the complete conversation

## UX details

- the floating avatar and expanded panel stay above app chrome and drag
as one aligned surface
- closing the expanded panel returns it to its top-right anchor
- each mini-composer opening starts visually fresh while messages sent
during that opening remain conversational
- the designated Bestie's duplicate DM entry is hidden from the regular
DM list
- Bestie actions are suppressed inside the mini timeline to avoid
recursive handoff

## Reliability and maintainability

- preserve existing retention database paths across upgrades
- serialize assignment and deletion, clearing matching assignments
across community scopes before an agent is removed
- fence async conversation resolution against workspace and assignment
changes
- validate stale assignments against existing local agents before hiding
DMs
- share lightweight assignment state across agent cards and keep
protected-feature behavior out of the shared timeline API

## Testing

- `pnpm --dir desktop test` — 5,886 tests passed
- `pnpm --dir desktop exec tsc --noEmit`
- `pnpm --dir desktop exec biome check ...`
- `cargo clippy --manifest-path desktop/src-tauri/Cargo.toml
--all-targets -- -D warnings`
- focused native retention and Bestie assignment/command tests — 34
passed
- `VITE_BUZZ_BESTIE=1 pnpm --dir desktop build:e2e`
- `VITE_BUZZ_BESTIE=1 pnpm --dir desktop exec playwright test
--project=smoke tests/e2e/bestie.spec.ts`
- pre-commit and differential pre-push hooks

## Rollout

The UI remains gated by the `bestie` build feature. Screenshots covering
setup, empty, assigned, floating, and message-handoff states are
included in the PR discussion.

---------

Signed-off-by: Arjun Mahanti <arjun@squareup.com>
Co-authored-by: Codex <noreply@openai.com>
wesbillman and others added 26 commits September 23, 2026 01:07
…ck#7821)

## Summary
Repair the mock-backed desktop smoke fixtures blocking release PR block#7817.
No application unread logic, styling, audio component, scheduler, or
release-tool changes.

- Require an exact channel-scoped kind-9 subscription before injecting
unread messages, including after navigation. The old readiness check
could accept a global-only, wrong-channel, or wrong-kind consumer. The
extracted predicate is used by the real mock bridge and has regression
coverage for those false positives and legacy behavior.
- Seed the 24 audio messages offscreen with distinct timestamps, then
open the channel with all cards in the load margin. Same-second random
event IDs previously reordered the settling timeline, causing different
visible cards to start loads. This was viewport churn, not a component
restart defect.
- Expose the existing real audio scheduler snapshot through the E2E
bridge. Assert 3 active / 21 queued before navigation and 0 active / 0
queued afterward. Preserve the peak-3 cap, exact 3 fetches /
cancellations / releases, zero object URLs, and existing unread/bold
assertions. No sleeps, retries, skipped tests, or relaxed limits were
added.

## Validation
- Before commit, all 30 tests in `channel-activity-popover.spec.ts`,
`channel-mute.spec.ts`, and `voice-note.spec.ts` passed five repetitions
with retries disabled: **150/150**. This was the working repair on base
`312cf674f`, before final formatting/cleanup, not the entire smoke
suite.
- At committed head `1b126afbe75c2a2afbdfe13744f0938fa584764e`, normal
pre-push hooks passed: **6,591/6,591 desktop unit tests**, desktop
checks, TypeScript typechecking, differential file-size gate, and
branch-skew check. Pre-commit Biome formatting passed; working tree is
clean.
- Independent sidebar and audio reviews found no substantive blocker.
Their formatting findings are resolved in this commit.
- Full repository `just ci`, native release packaging, and the entire
Playwright smoke suite were not run locally. GitHub CI is the remaining
broader gate; this PR is not a release certification.

## Release follow-up
After this repair is merged and required checks pass, regenerate block#7817
through the desktop release tooling and validate the new candidate's
exact head. This PR does not merge or publish a release.

Originating discussion:
buzz://message?channel=3428ec3f-a58b-429b-afbc-dc6a77918ce8&id=3303565b14334696e9bbf433ef3ad1aea4307acc69834f7f685a412e81354493

Signed-off-by: Carl <32a2e2c9d428ee08902cab75d956da2c1d235a22d4766b0dd4138bf6e2e5db1d@buzz.block.builderlab.xyz>
Co-authored-by: Carl <32a2e2c9d428ee08902cab75d956da2c1d235a22d4766b0dd4138bf6e2e5db1d@buzz.block.builderlab.xyz>
## Buzz Desktop release v0.5.24

- **Frozen main:** `fe56d311a7156802408afb04023c3f75d4015007`
- **Reviewed candidate:** `3befaf16002d802a97aa79007be29b23623ceb3f`
- **Previous desktop release:** `desktop-v0.5.23`
- **Proposed immutable tag:** `desktop-v0.5.24`

This PR may be **squash merged** after the Desktop Release Candidate
check and all protected-branch checks pass. Merging authorizes
publication of the exact reviewed candidate; later or unrelated changes
on `main` cannot alter it.

The checked-in changelog accounts for every non-merge commit in the
release range. The Desktop tag points to the reviewed candidate commit,
not the later squash commit. Publication remains bound to that immutable
candidate tag.

Signed-off-by: Wes <wesbillman@users.noreply.github.com>
Co-authored-by: Release Automation <release-automation@users.noreply.github.com>
🤖 Adds append-only channel canvas history, restore, and
relay-authoritative optimistic concurrency so stale edits cannot
silently replace a newer canvas.

## What this adds

- **Desktop history and restore** — browse revisions with author,
timestamp, preview, and diff; restore an older revision as a new signed
head after explicit confirmation. Persisted empty canvases remain
reachable, mutation outcomes are announced accessibly, and focus moves
to a stable destination after save or restore.
- **CLI history and restore** — `buzz canvas history --channel …`, `buzz
canvas get --channel … --revision <id>`, and `buzz canvas restore
--channel … --revision <id>` use keyset pagination over the retained
revision stream.
- **SDK canvas builders** — optional `expected-revision` tags, bounded
ancestry classification, and shared timestamp discipline keep
first-party writes ahead of the head they read without propagating
poisoned future timestamps.

## Authoritative concurrency contract

Tagged canvas writes use compare-and-swap semantics in the relay and
database:

- `expected-revision=none` succeeds only when no live canvas exists.
- An event ID succeeds only when it names the canonical live head.
- A byte-identical replay succeeds only when that event is already the
canonical live head.
- A successful candidate must sort strictly ahead of the current head
under `created_at DESC, id ASC`.
- Malformed preconditions and stale or non-advancing writes are rejected
before event rows, mentions, or fan-out are committed.

The database serializes tagged writes, unconditional kind `40100`
writes, and canvas soft deletion on the same `(community, kind,
channel)` advisory key. Untagged `buzz canvas set` remains an
unconditional write, but participates in that serialization boundary so
it cannot race a tagged save or deletion. Deletion classification is
derived inside the datastore transaction; unrelated event kinds do not
take the canvas lock.

## Read and timestamp consistency

Precondition and post-write ancestry reads request strong consistency
from `/query`, pinning them to the writer when replica routing is
enabled. Display-only history remains replica-eligible.

First-party canvas writers stamp `created_at = max(now, head + 1)` with
a conservative client skew limit. The relay applies a canvas-specific
future-timestamp ceiling before persistence, preventing an accepted
boundary head from making subsequent first-party writes invalid while
preserving the broader ingest limit for other event kinds.

## Durable outcomes and recovery

After an accepted publish, a failed verification read is reported as
durable success with `verified: false` rather than a failed save.
Desktop and CLI preserve the new event ID and direct users to History
when verification is unavailable. A successful read walks the bounded,
cycle-guarded `expected-revision` ancestry chain so transitive
descendants are not misclassified as supersession. Canvas caches
invalidate for every settled mutation outcome, including a retained but
superseded revision.

The 409 reconciliation path in `cmd_restore_canvas` now separately
establishes persistence evidence from ancestry classification.
`canvas_write_survived` checks reachability only; a secondary
writer-pinned IDs lookup distinguishes "A absent" from "A present but
superseded by a legacy write." The four-way outcome (survived /
persisted-but-superseded / genuinely-absent / read-fail) is now correct
for all lost-response shapes including unconditional legacy writes.

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Co-authored-by: Hayt <9e1c23a3fd83f61da34420e4e88ff1b16e45cafcc0cd9019eb07d4ecfa8ca9b0@buzz.block.builderlab.xyz>
…on (block#7840)

## Summary
Fix `reasoning_effort: Extra inputs are not permitted` for Databricks v2
model `data_workflow_tools.goose.goose-claude-opus-5-5` without dropping
explicit High.

- Add one provider-qualified exact capability record: Anthropic
Messages, adaptive thinking, `output_config.effort`, medium upstream
default. Mirror exact-record precedence in Rust/TS; keep uncurated UC
services neutral and existing GPT routing unchanged.
- Preserve ordered native content, including signed/empty thinking and
redacted blocks, across tool results. Do not cache-stamp thinking blocks
or leak native state into Chat reasoning details. Discard truncated
native state; reject more than 64 native calls before any tool executes
instead of altering signed content.
- Add production-dispatch/ACP regressions and six shared capability
vectors. No relay/ACP protocol, schema, settings, inheritance, retries,
or other harness changes.

## Validation
At final head `82f43f8d07bfcc3f4af492afc0a58a02f8e549c4`, clean tree:
- Rebuilt real `buzz-agent`, drove ACP with a harmless MCP fixture
against the actual service. Two POSTs to
`/ai-gateway/anthropic/v1/messages`, both HTTP 200, exact FQN, High via
`output_config`, adaptive/summarized thinking, no `reasoning_effort`.
First response contained signed thinking + tool use; second request
preserved signature/content order and paired result; final ACP stop
`end_turn`. No credentials, signature contents, or conversation data
included here.
- Mandatory pre-commit/pre-push checks passed: formatting/lint,
file-size gate, Rust test lanes, desktop typechecking and full JS tests,
Tauri clippy/tests.
- Full `cargo test -p buzz-agent` passed on the pre-commit tree (only
hook formatting followed), including the new native truncation/65-call
ACP regressions, ordered interleaved signed/redacted two-tool capture,
nearby-ID negatives, and existing provider regressions.
- Independent API/replay, regression-boundary, and Rust/TS capability
reviews cleared.

Full `just ci`, packaging and manual desktop UI testing were not run
locally; repository CI remains the merge gate. Cross-harness internals
and other UC service contracts are outside scope.

## References
- [Databricks model
services](https://docs.databricks.com/aws/en/ai-gateway/query-model-services)
- [Anthropic thinking
preservation](https://platform.claude.com/docs/en/build-with-claude/thinking#thinking-block-preservation-by-model)
- [Anthropic
effort](https://platform.claude.com/docs/en/build-with-claude/effort)
- Originating Buzz channel: `fccdea96-0f31-4343-ba6a-324214dc8d73`
- Originating thread:
buzz://message?channel=fccdea96-0f31-4343-ba6a-324214dc8d73&id=33f242923a317e269c1ff7b960cacd6ec1f3371eff2f97592857804c50fb100c

Signed-off-by: Wes <wesbillman@users.noreply.github.com>
Signed-off-by: Carl <32a2e2c9d428ee08902cab75d956da2c1d235a22d4766b0dd4138bf6e2e5db1d@buzz.block.builderlab.xyz>
Co-authored-by: Carl <32a2e2c9d428ee08902cab75d956da2c1d235a22d4766b0dd4138bf6e2e5db1d@buzz.block.builderlab.xyz>
…3.2 (block#7820)

A valid 30-day push gateway grant lifetime could render in scientific
notation (e.g. `2.592e+06`) in the chart, which the gateway binary does
not accept.

Always ormat the integer as decimal text, preserving the strict gateway
parser.

### Testing

Added regression coverage that feeds actual Helm-rendered environment
values into the production config parser. Covers defaults, values files,
command-line overrides, exact lifetime boundaries, and invalid input
rejection. The default case failed before the fix and passes afterward.

Signed-off-by: Tom Brow <tomb@block.xyz>
…7841)

Git exports repository-local variables (`GIT_DIR`, `GIT_INDEX_FILE`,
`GIT_WORK_TREE`, ...) into hook processes, and in linked worktrees
`GIT_DIR` is absolute. Pre-push lanes inherited that environment
unchanged, so any test fixture that spawns `git` in a temp dir (`git
init --bare <tmp>`, `git config user.name ...`, `git commit`, `git
push`) actually operated on the checkout being pushed.
`current_dir(tmp)` and `git -C tmp` don't escape an inherited `GIT_DIR`.

Because `.git/config` is shared by every worktree, one push from any
worktree could silently rewrite the repo for all of them. In practice
this set `core.bare=true` (breaking the main checkout with `fatal: this
operation must be run in a work tree`), replaced the committer identity
with a fixture `user.name=Agent`, disabled `commit.gpgSign`, and left
fixture aliases behind. The fixtures that did this are the git-identity
enforcement tests in block#6177, which run in the `rust-tests` lane via `just
test-unit`.

The pre-push lanes that run test suites or builds now go through
`scripts/without-git-env.sh`, which unsets the variables listed by `git
rev-parse --local-env-vars` (git's own definition of repo-local state,
the same set `git submodule` clears) and then `exec`s the lane, so each
subprocess rediscovers the repository from its working directory.
Transport, credential, and TLS settings (`GIT_SSH_COMMAND`,
`GIT_ASKPASS`, `GIT_TERMINAL_PROMPT`, `GIT_SSL_*`) pass through
untouched. Putting this at the hook boundary covers every current and
future test without each suite having to defend itself.

The `branch-skew` and `push-head-scope` guards run unwrapped: they spawn
no fixtures, and `branch-skew`'s `git fetch` needs the caller's
transport environment. `pre-commit` isn't wrapped either, since its
`stage_fixed: true` lanes need the hook's `GIT_INDEX_FILE` to restage
into the temporary index during `git commit <paths>`.

Related: block#6177

---------

Signed-off-by: Will Pfleger <wpfleger@block.xyz>
## Summary

Make the relay read completed storage-accounting snapshots from
PostgreSQL by default. An environment with no snapshot emits no storage
metrics. When a worker publishes its first result, the relay picks it up
on the next successful leader usage tick, without a restart or
configuration change.

This changes how storage usage is measured and reported. **S3 remains
the object store. PostgreSQL stores the completed counts, byte totals,
community breakdown, and calculation metadata—not the objects
themselves.**

### Why move relay storage accounting entirely to database reads?

Today the relay supports two sources: its own S3 scan (`inline`, the
default) and the worker's saved snapshot (`external`). That requires
operators to deploy a worker and then coordinate a separate relay-mode
change in each environment.

The worker already owns the S3 listing and calculation. It runs in a
separate process with its own object cap, memory limit, and deadline.
Keeping a second scan inside the serving relay retains the resource
pressure and failure modes that this isolation is meant to remove.

PostgreSQL provides a durable handoff. The worker replaces one completed
snapshot atomically after a successful calculation. The relay reads that
row and exposes its values through the existing metrics endpoint. A
relay restart or leadership change can load the last completed result
without scanning the bucket again.

There is deliberately no S3 fallback when a snapshot is absent or a read
fails. Such a fallback would put the expensive scan back in the relay
precisely when a worker is absent or unhealthy. It would also leave two
calculation paths with different resource limits and freshness behavior.

### What happens if no worker exists?

**A worker that has never published is a normal, successful inactive
state.** The snapshot table must exist through the normal database
schema, but it may contain zero rows. The reader returns success, emits
no storage totals or failed-load gauge, and checks again on the next
usage tick. It does not exit the relay, start a worker, or list S3.

The relay checks for a completed database row; it does not inspect
Kubernetes Jobs or CronJobs. Worker presence and snapshot presence are
therefore different:

| Situation | Storage-reader behavior |
|---|---|
| No worker and no snapshot row | Return success, emit no storage
metrics, and query again next tick. |
| Worker starts later and publishes its first row | Read and emit it on
the next successful leader usage tick; no restart or mode change. |
| Worker is removed or fails, but its last valid row remains | Continue
reporting the last completed totals with their increasing age. |
| Query succeeds but a previously present row has been removed | Clear
the cache and stop refreshing storage series; existing exporter series
expire through the idle timeout. |
| Database read fails, times out, or returns an invalid snapshot | Log a
warning, set `buzz_storage_snapshot_load_ok=0`, retain any last-good
cached totals, and retry next tick. |
| Snapshot table is missing | Treat this as a schema error, not normal
worker absence; follow the failed-read behavior above. |
| `BUZZ_STORAGE_METRICS=off` | Skip the snapshot query and all storage
metric emission. |

No row means “not measured,” not zero bytes. A valid completed snapshot
of an empty bucket can report zero. If a read fails before any good
snapshot has been cached, only failed-load health is emitted.

These reads happen in the existing background metrics task, not the
relay startup path. A storage-read failure does not request process exit
or change readiness directly. A wider database outage can still affect
the relay's existing database-dependent operations and readiness.

### Read, parse, and emit path

```text
Worker: S3 listing -> BucketSnapshot -> JSON -> PostgreSQL
Relay: PostgreSQL -> JSON -> BucketSnapshot -> existing metric gauges
Collector: relay /metrics endpoint -> Datadog
```

1. `main.rs::run_storage_sweep_tick` calls the reader from the existing
leader-only usage task. The default interval remains 300 seconds.
2. `storage_sweep.rs::run_storage_metrics_tick` coordinates the read,
cache update, failure health, and metric emission.
3. `refresh_persisted_snapshot` calls the existing
`Db::load_storage_accounting_snapshot()` method. A five-second timeout
covers pool acquisition and the query. It uses the relay's existing
pool.
4. The existing query in `buzz-db/src/store/storage_accounting.rs` reads
`snapshot`, `completed_at`, `duration_ms`, `max_objects`, and `code_sha`
from the singleton row.
5. `serde_json::from_value(stored.snapshot)` decodes the JSON into the
existing `buzz_media::BucketSnapshot` type. Rust infers that type from
`cache_persisted_snapshot`'s argument. The generated `Deserialize`
implementation handles all fields, including the UUID-keyed
`per_community` map.
6. `emit_cached_storage_metrics` sets the existing physical/logical
totals and community byte/object gauges. The existing Prometheus
exporter exposes them for Datadog collection; this code does not send
snapshot JSON to Datadog.

The worker's `BucketSnapshot`/`CommunityStorage` structures, JSON field
names, SQL publication method, and database schema are unchanged. The
old external-mode JSON conversion moves out of `main.rs` into the reader
helper. No new format or hand-written field parser is needed. Duration
and object-cap metadata are validated before replacing the cache.

The five-second relay read timeout is separate from the worker's
30-second startup acquisition budget introduced in block#7770. This PR does
not change the worker's pool or startup logic.

### Configuration and code changes

| Configuration | Before | After |
|---|---|---|
| Unset, `inline`, or `on` | Relay-local S3 scan | Read completed
database snapshots. `inline` logs one migration warning. |
| `external` or `snapshot` | Read completed database snapshots |
Continue reading snapshots. |
| `off` | Disabled | Disabled. |
| Unknown or empty value | Disabled with a configuration error | Same. |

Existing `inline` settings intentionally become reader aliases. Merely
changing the default would leave older deployments on their explicit
`inline` setting and preserve the need for coordinated configuration
PRs.

Remove relay-local scan scheduling, in-flight scan state, scan
configuration, and obsolete scan-attempt tests and health metrics.
Preserve the physical/logical total and per-community metric names,
leader-only emission, community scope filtering, and cleanup of old
community labels.

The shared relay-state field remains in place; its comment now describes
a cached worker result. The Helm chart defaults to `relayMode: external`
while leaving `storageAccounting.enabled: false`. Its rendering test
verifies that the reader is configured even when no worker is created.
The reader regression tests cover missing rows, later publication,
updates, invalid data, timeout, removal, reactivation, and the explicit
off switch. `docs/storage-accounting.md` describes this operating model.

### Freshness and rollout impact

`buzz_storage_snapshot_age_seconds` uses the worker's original
completion timestamp. Re-reading an old row never makes it fresh.
`buzz_storage_snapshot_load_ok=1` means the row was read and decoded; it
does not prove that the worker's latest attempt succeeded.

Monitor snapshot age against the worker's schedule and allowed runtime,
and monitor Job failures separately. The old relay scan-attempt health
gauges are retired because the relay no longer runs those scans.

Deploy this relay version through the usual release process. Once it
reaches an environment, workers can be enabled independently.
Already-released charts that still set `inline` work with the new
binary; future chart releases default explicitly to `external`. An
intentional `off` override still requires an operator to enable the
reader.

**Environments with no completed snapshot lose relay-calculated storage
totals after this upgrade.** That is the intended tradeoff for removing
scans from the serving process. Environments with a prior snapshot
continue showing its last completed totals and age. This PR does not
install workers in additional environments or deploy the new relay
image.

### Related issue

Related to block#4601. Follows the worker startup fix in block#7770. The separate
fleet-usage collector work in block#7176 overlaps this code and may need
reconciliation when it merges.

### Testing

Built and ran the relay locally against isolated PostgreSQL and Redis
with the legacy `inline` setting, five-second usage ticks, and a
15-second metric idle timeout. The same process was exercised through
these steps:

1. Start with an empty snapshot table: relay becomes ready and exposes
no storage series.
2. Publish a snapshot containing 123 bytes: the community gauge becomes
123.
3. Replace it with 456 bytes: the gauge becomes 456.
4. Remove the row: storage series expire without fabricating a zero-byte
measurement.
5. Publish 789 bytes: metrics reactivate without restarting the relay;
readiness remains healthy.

The local S3 endpoint recorded zero requests. The unrelated Git
conformance startup probe was disabled for this isolated reader check;
the test covers storage accounting, not every other use of S3 in the
relay. No new relay image was deployed to staging or production during
this test.

The broad local integration run also hit an existing
`p0_pool_acquisitions_use_typed_operation_pairs_without_other` failure
in `buzz-db/tests/observability_source.rs`. The same source-only test
fails on unmodified `main` at `0ef7a2222`; this PR changes neither the
test nor its failing source.

The full local `just ci` run stopped at mobile native-asset setup: the
`objective_c` build hook received no SDK path from `xcrun`. Mobile tests
did not run.

Generated with Codex

Signed-off-by: Ravneet Arora <rarora@squareup.com>
discovered in
block#7742 (comment)

## Summary

Goose uses its native shell, so it bypassed the Git identity and signing
setup inside `buzz-dev-mcp`. Agent commits could use the host Git
identity, while MCP shells had a separate config. This moves Git setup
into `buzz-acp`, where both paths receive the same agent identity, Nostr
signer, and relay-scoped credential helper.

Before:

```text
Buzz Desktop
  └─ buzz-acp                 ← Desktop supplied relay Git authentication
      ├─ Goose → native shell ← no agent Git author or signing setup
      └─ Buzz Agent
          └─ buzz-dev-mcp
              └─ shell         ← MCP created the keyfile and Git signing config
```

After:

```text
Buzz Desktop or Sprig
  └─ buzz-acp                 ← owns the keyfile, identity, signing, and scoped credentials
      ├─ Goose → native shell ← inherits the complete Git environment
      └─ Buzz Agent
          └─ buzz-dev-mcp
              └─ shell         ← receives the same Git environment via mcpServers[].env
```

The harness keeps the signing key in a private temporary file and
removes it on normal exit, startup failure, and graceful termination. It
composes inherited `GIT_CONFIG_*` entries, forwards the complete block
to MCP servers, and bundles the helpers through the ACP multicall
entrypoint. For standard `buzz-acp` launches, Desktop and Sprig no
longer write Git config. A custom Desktop ACP command bypasses the
harness, so Desktop preserves its prior relay-scoped credential helper
for that supported override.

This changes Git settings for every ACP runtime. The startup signal path
also changes so a termination during adapter initialization removes the
keyfile. The temporary file can remain after SIGKILL or a machine crash.

### Related issue

Related: block#6177 covers stricter commit identity enforcement and touches
the same Git paths. That PR and this one need to be reconciled before
either lands. No issue was found for this runtime bootstrap gap.

### Testing

- Ran the ignored `git_runtime_tests` with real Goose 1.50.0 and Buzz
Agent ACP sessions. `real_goose_native_git_shell` passed again on this
PR branch with `BUZZ_TEST_BIN_DIR` pointing to built binaries. Goose
made a signed commit and tag through its native shell; Buzz Agent did
the same through its MCP shell. Both verified signatures, identity,
credential scoping, and keyfile cleanup.
- Built the Linux Sprig image and ran `scripts/test-sprig-image.sh
buzz-sprig:acp-git-bootstrap`. The container made and verified a signed
commit and tag, then confirmed keyfile removal after SIGTERM.
- `just ci` passed on the original branch. After rebasing onto `main`
and addressing review feedback, the ACP Git bootstrap integration tests,
focused desktop smoke test, custom-command regression test, formatting,
and ACP/Desktop Clippy passed. The pre-push hook hit two
timing-sensitive ACP deadline tests under parallel load; both passed
alone and the complete ACP package passed serially (964 library, 2 Git
bootstrap, 9 pool lifecycle tests). The push used `--no-verify` after
those checks; GitHub CI is rerunning on the new head.
- Under injected `BUZZ_ACP_ALLOWED_RESPOND_TO`, `BUZZ_ACP_LAZY_POOL`,
and `BUZZ_ACP_IDLE_POOL_SLEEP`, the clean-env serial package command in
`crates/buzz-acp/TESTING.md` passed: 964 active library tests, 2 Git
bootstrap tests, and 9 pool lifecycle tests. Both named Databricks OAuth
tests passed locally; another reviewer reproduced their
environment-specific failures on `main`.
- No authenticated relay clone or push was run. The local probes used
disposable repositories and did not contact a relay.

Generated with Codex

---------

Signed-off-by: Salman Mohammed <smohammed@squareup.com>
## Summary

Add an opt-in, newest-first thread window to the authenticated HTTP
query path.

A filter with `thread_window: true` returns:

- reply rows ordered by `(created_at DESC, id ASC)` with an exact
composite cursor;
- optional bounded reactions, edits, deletions, and delete-of-aux
closure;
- one relay-signed `kind:39007` bounds event bound to the normalized
host, authenticated reader, channel, root, request cursor, kinds, depth,
limit, and aux choice.

Filters without the flag keep the existing oldest-first thread behavior.
Channel windows and `kind:39006` are unchanged. No client opts into this
mode in this PR.

### Why extend NIP-CW

NIP-CW already defines relay-computed, cursor-paged conversation views
over extended NIP-01 filters. Thread windows use the same protocol
ideas: ordinary signed rows, composite keyset pagination, optional aux
closure, and relay-signed bounds. Adding a thread mode keeps those
related wire contracts together instead of creating a second NIP with
duplicated terminology and compatibility rules.

Extending a draft, optional NIP with an additive mode is normal protocol
evolution. Existing fields and meanings are not reinterpreted:

- `top_level: true` remains channel mode;
- `kind:39006` remains channel-window bounds;
- `thread_window: true` selects the new mode;
- `kind:39007` has a distinct identity and root/request binding;
- extension-unaware clients never send the selector;
- legacy thread queries remain unchanged.

NIP-CW documents only the wire contract and relay semantics. Database
plans, replica internals, and rollout procedures remain implementation
concerns.

### Why thread windows use independent modules

The implementation deliberately keeps `thread_window.rs` separate in
`buzz-core`, `buzz-db`, and `buzz-relay` rather than adding branches
throughout the existing channel-window path.

The modes share pagination concepts, but their invariants differ:

- channel mode selects top-level rows; thread mode requires one root and
depths `1..=depth_limit`;
- thread mode accepts only conversation row kinds and rejects
unknown/conflicting fields;
- thread bounds bind the root and authenticated reader because
cross-channel aux visibility can differ by reader;
- thread aux includes the root and requires complete two-hop closure;
- thread mode refreshes writer authorization before selection and before
signing;
- historical cursor pages may use a proved replica transaction, but
fallback must restart both aux hops on the writer;
- legacy thread traversal is oldest-first and must not inherit
descending cursor semantics.

Forcing these rules into channel-window code would create a mode flag
across parsing, SQL predicates, bounds construction, authorization,
replica fallback, and tests. That abstraction would not remove
complexity. It would distribute it. Separate modules keep each contract
local and leave the established channel and legacy paths untouched.

### Technical design

- Strict request parsing normalizes UUIDs, event IDs, kinds, defaults,
and cursors before computing the response binding.
- SQL applies community, root, channel, depth, kind, deletion, and
cursor predicates before `limit + 1`.
- Ordered metadata scanning plus exact event-key lookup avoids the
stale-statistics plan that previously exceeded the four-second SQL
budget on a 10k-reply thread.
- Aux work is bounded by target batches, query count, raw candidate
count, response bytes, SQL timeouts, and one shared HTTP deadline.
- Fresh authorization-set comparison catches both grants and revocations
during closure. The relay returns retryable `503` rather than signing an
incomplete page.
- Replica failure permanently degrades the request to the writer and
restarts closure from its original targets without resetting budgets.
- Migration `0049_thread_window_index.sql` adds the mixed-direction
index used by newest-first scans. It validates a prebuilt index and
bounds startup lock/build time.

### Tradeoffs

- The stale-statistics-safe plan is intentionally less clever. Measured
warm 100k deep-cursor execution increased from roughly 0.30 ms to 4.80
ms, plus about 8 ms planning, in exchange for avoiding a reproduced
multi-second timeout after rapid 10k-thread insertion.
- Bounds are authoritative only for the served page. There is no
cross-page snapshot guarantee, and replica insertion coverage does not
imply latest edit/deletion/aux visibility.
- Strict parsing rejects unsupported constraints instead of silently
serving a different row set.
- Required aux closure fails closed. The relay does not omit aux and
sign plausible-but-incomplete bounds.
- This PR ships relay capability only. Client rendering, retry UX,
live-history overlap, and compatibility fallback remain separate work.

### Related issue

No existing issue found. This work follows the thread-loading design and
review discussion.

### Testing

- `cargo test -p buzz-core`: 258 unit tests and 2 doctests passed.
- `cargo check --workspace --all-targets`: passed at the rebased
implementation head.
- `cargo test -p buzz-db`: 131 non-PostgreSQL tests passed; 275
infrastructure tests were ignored as declared.
- Focused PostgreSQL migration/runtime regressions: 3/3 passed against
an isolated PostgreSQL container, including both corrected
migration-ledger tests.
- `cargo fmt --all --check`: passed.
- Pre-rebase feature validation passed 398/398 PostgreSQL tests,
signed-wire multi-tenant/auth/pagination/aux/revocation probes, clean
Compose boot/reboot, and full core tests.
- Independent HA validation exercised three relay pods and a physical
PostgreSQL standby on the same runtime logic before the final
documentation-only cleanup.
- Independent final-delta review confirmed exactly two changed files,
byte-identical executable migration SQL after comments/diagnostic
normalization, matching prebuild/catalog/recovery instructions, and `git
diff --check`; no runtime receipts were relabeled to the new SHA.
- The pre-push hook ran repository checks but its Rust unit lane exited
100 without exposing an individual failed test in the captured
multiplexed output. The independently run affected-package checks above
passed; current-head repository CI remains required.

Known unrelated baseline behavior remains: the mesh-demo echo test can
return 504, and same-second archive → unarchive can deduplicate its
membership notification. Neither path is changed here.

---------

Signed-off-by: Kalvin Chau <kalvin@block.xyz>
Signed-off-by: cid <d9f92a72922bf45c17379a47d64dae84b6020397c2d5a52b5317d512068cd9d3@buzz.block.builderlab.xyz>
Signed-off-by: am <6e30cd56c30e030cd31bb0939b94a7c257c9a09d5ba2d92cf2735da45629f248@buzz.block.builderlab.xyz>
Co-authored-by: cid <d9f92a72922bf45c17379a47d64dae84b6020397c2d5a52b5317d512068cd9d3@buzz.block.builderlab.xyz>
Co-authored-by: am <6e30cd56c30e030cd31bb0939b94a7c257c9a09d5ba2d92cf2735da45629f248@buzz.block.builderlab.xyz>
Fix Databricks V2 Unity Catalog Claude service routing without erasing
verified model capabilities.

- preserve exact provider-qualified record precedence for
`data_workflow_tools.goose.goose-claude-opus-5-5`, including adaptive
thinking, explicit `output_config.effort` (default medium), and signed
native tool continuation
- route other boundary-matched `claude-*` service components to
Anthropic Messages while preserving the full FQN and advertising no
unverified effort controls
- keep GPT-5+ service components on OpenAI Responses and other uncurated
FQNs on MLflow Chat Completions; catalog/schema text does not affect
routing
- keep Rust and TypeScript resolver precedence aligned and regenerate
the 168-vector normative corpus

Validation at `1204f1eacff17ebe05eb2bba06b5eee210e21c25`:
- `cargo test -p buzz-agent`
- `pnpm -C desktop test` — 6,628 passed
- `pnpm -C desktop typecheck`
- `cargo fmt --all -- --check`
- `cargo clippy -p buzz-agent --all-targets -- -D warnings`
- `just test-unit` — passed on isolated rerun
- pre-push file-size, desktop check, desktop typecheck, desktop tests,
and Tauri checks passed; the repository-wide Rust lane exited without
identifying a failing test in two concurrent hook runs, while its
isolated `just test-unit` rerun passed

---------

Signed-off-by: Kalvin Chau <kalvin@block.xyz>
Co-authored-by: am <6e30cd56c30e030cd31bb0939b94a7c257c9a09d5ba2d92cf2735da45629f248@buzz.block.builderlab.xyz>
…ammar (block#7844)

New Databricks endpoints (Claude Opus 5.5, GPT-6 Astra/Sol, etc.) showed
as raw FQNs in the model picker until someone added a curated corpus
record for each. This adds a strict token-class grammar as a third label
tier inside the Databricks label helpers (Rust `model_capabilities.rs` +
TS `modelCapabilities.ts`): exact record → unique alias → **generated
label** → raw id. In TS it fires only for an explicit `databricks_v2`
provider; providerless ids stay raw.

## Grammar

Takes the last component of a UC FQN (or strips one wrapper:
`databricks-`, `goose-`, `kgoose-`, `builderbot-`; an id that is neither
stays raw), splits on `-`, and classifies each token as version,
letter+digit version, size, trailing date (dropped), or word. Labels are
built only from the id's own text, and the grammar never reinterprets a
version. When in doubt it returns raw:

- **Known families only.** The family (leading letters of the first
token) must be in the manifest's existing `label_family_tokens`. Custom
endpoints such as `prod.ai.rag-agent-3` or `builderbot-pr-reviews-v2`
stay raw. Supporting a new vendor means adding one entry to that list,
not a record per model.
- **Attached digits stay whole** (`gpt10` → `GPT10`). If the family
already carries digits and the next token is a version
(`goose-qwen3-5-122b-a10b`, `system.ai.llama3-1-8b`,
`system.ai.claude3-5-sonnet`), the id stays raw; this is checked before
any reorder.
- A third consecutive number (`gemini-3-7-1-flash`) returns raw rather
than splitting off a patch version.
- Any non-ASCII input returns raw, checked before trimming or case
folding.
- Any unclassifiable token, or no version-bearing token
(`builderbot-pr-reviews`), returns raw. `(latest)`/`Preview` never
appear unless an exact record supplies them.

Special cases, each justified by an unseen-id shape rather than the
corpus score:

- `meta-llama-` → `Llama`: a namespace convention.
- Claude numeric-first reorder: Goose names Claude endpoints
`claude-4-7-opus`. Only 1–2 version tokens followed by
`opus`/`sonnet`/`haiku` reorder (`claude-5-6-opus` → `Claude Opus 5.6`);
anything else keeps its order (`claude-5-6-thinking` → `Claude 5.6
Thinking`). Both current numeric-first ids also have exact records.
- Qwen compact decimal: Qwen's own naming `qwen35` → `Qwen3.5` when the
second digit is nonzero.

## Colliding labels in the picker

The same model is often served from several sources, so humanized labels
collide (four rows are all `GPT-5.5`). `disambiguateModelLabels` in
`formatAgentModelLabel.ts` suffixes only colliding Databricks labels
with their source:

- UC FQN: its `catalog.schema`, e.g. `GPT-6 Astra (system.ai)` / `GPT-6
Astra (sandbox.public)`.
- Workspace endpoint: its wrapper, e.g. `GPT-5.5 (databricks)` /
`GPT-5.5 (goose)` / `GPT-5.5 (kgoose)`.
- Still colliding after that (e.g. a date variant in the same schema):
the full id, e.g. `Gemini 3.7 Flash (system.ai.gemini-3-7-flash-0925)`.

Unique labels, raw-id rows, the default row, and other providers are
unchanged. It runs in `getDiscoveredPersonaModelOptions` (covering
`AgentDropdownSelect`, `PersonaModelCombobox`, `PersonaDropdownField`,
whose closed triggers read the option label) and in `ModelPicker`. Model
search in `AgentDropdownSelect` and `PersonaModelCombobox` also matches
the raw id, so searching `system.ai` finds those rows. Rust
`ModelEntry.name` is unchanged.

## What labels drive

Picker values, persistence, routing, catalog dedup, `resolve()` and
capabilities all stay keyed on the raw id; two ids sharing a label both
remain selectable. Labels do drive picker search (alongside the raw id),
the workspace catalog's equal-time sort, and `TeamIdentityCard`'s "Mixed
models" summary, which compares lowercased base labels, so `goose-` and
`system.ai` GPT-6 Astra read as one model there (correct, since they are
the same model).

## Tests

Shared fixtures in `scripts/databricks-label-fixtures.json` are replayed
by both Rust and TS. Each row asserts its tier: `exact` rows match a
record, `alias` rows resolve with generation off, `generated` rows
return nothing with generation off (so a future alias or record cannot
mask them), and `raw` rows return nothing either way. A curator guard
requires that across all 57 exact records, the ids the grammar does not
reproduce equal exactly the 10 curator-only ids.
`disambiguateModelLabels` has unit tests for namespace, wrapper, and
full-id-fallback collisions, untouched rows, other providers, and
case-insensitive grouping. The defaults-picker e2e checks the suffixed
rows and trigger, raw-id search, and that choosing the second uncurated
FQN by its visible name persists its raw id and restores its label. An
edit-agent e2e covers the existing-agent model dropdown
(`#edit-agent-model`): both suffixed rows render, the `system.ai` row is
chosen by name, and after save and reopen the agent stores the
`system.ai` id and shows `GPT-6 Astra (system.ai)`.

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
## Summary

Upgrade Buzz from MeshLLM `v0.76.0-rc9` to the latest stable [v0.76.2
release](https://github.com/Mesh-LLM/mesh-llm/releases/tag/v0.76.2) (via
v0.76.1).

- Update all eight Mesh git dependencies across desktop and relay smoke
examples; both lockfiles resolve all 47 Mesh packages to
`a0c1e66b0ac037dd56544b9e2d94969ea43d694f` (tag `v0.76.2`). All non-Mesh
lock records are unchanged by the 0.76.1 → 0.76.2 bump.
- Match Mesh's `ed25519-dalek = 3.0.0` and `rusqlite = 0.40`
dependencies.
- Explicitly enable rusqlite's `fallible_uint` feature, preserving
Buzz's existing `u64` SQL conversions when **mesh is disabled**.
Mesh-enabled builds previously supplied this transitively, so testing
both configurations matters.
- Temporarily pin **only** the optional `sqlx-sqlite` package to the
merged upstream compatibility fix
[transact-rs/sqlx#4402](transact-rs/sqlx#4402),
revision `94aafe3a68884d923b0798a767c8d7f6cfda89d2`. SQLx 0.9.0 caps
`libsqlite3-sys` below 0.38, while Mesh 0.76 requires 0.38. Cargo
resolves the conflict even with SQLite disabled. The fix raises that
upper bound; remove the patch once released. Buzz's active PostgreSQL
driver stays on crates.io SQLx 0.9.0.
- Preserve the explicit Linux keyring 3 `crypto-rust` feature so Secret
Service sessions retain DH encryption independently of Mesh keyring 4.
- Preserve the dedicated examples-only `buzz-mesh-smoke` crate and
lifecycle workflow wiring, keeping Mesh/native-runtime dev dependencies
out of relay CI builds.
- v0.76.1 → v0.76.2 upstream delta: self-updater fix for composed
product-v2 bundles (Mesh-LLM/mesh-llm#1844) plus release plumbing — no
API changes affecting Buzz.
- Merged `origin/main` (`7c789dee0`) without rewriting shared PR
history.

### Validation at `ae4adba15` (local macOS ARM64, Hermit toolchain)

- **Passed:** `cargo test --locked -p buzz-mesh-smoke --all-targets`
(all six example harnesses compile; no live harness execution).
- **Passed:** desktop Tauri workspace tests, both default and
`--features mesh-llm` graphs (3,296 tests with mesh enabled, 0
failures).
- **Passed:** `just desktop-tauri-clippy` (both feature graphs, `-D
warnings`), root workspace clippy `-D warnings`, `cargo fmt --all
--check`.
- **Passed:** `--locked` metadata resolution for both workspaces;
lockfile diff audited to touch only Mesh package records.
- **Passed:** full pre-push hook suite on the final push (branch-skew,
rust-tests, desktop-tauri-checks, file-size-check) — no hooks bypassed.
- **Not run:** live Mesh inference/admission smoke or installed-app UI
exercise. CI lifecycle smoke coverage applies.

Originating Buzz conversation:
buzz://message?channel=dffbc117-845a-4c02-bc3f-eaeeefc4deaa&id=670f9c262e1ec0a4df5600b3173a0c5de2abe17e08ba9ccfdd8eff109fadf1a8

---------

Signed-off-by: Thinker <75d8a808fa21bb8d1812e080cf471db601c6e8e6a62dcd516d37531e83a7bb77@meshllm.communities.buzz.xyz>
Signed-off-by: Michael Neale <michael.neale@gmail.com>
Co-authored-by: Thinker <75d8a808fa21bb8d1812e080cf471db601c6e8e6a62dcd516d37531e83a7bb77@meshllm.communities.buzz.xyz>
Co-authored-by: Michael Neale <michael.neale@gmail.com>
Co-authored-by: Galadriel <b81c841ed20a8e17caf4e6fac2f6f3bc61d304c84b8394720f6d00f37538c47e@meshllm.communities.buzz.xyz>
Co-authored-by: Gu <gu@buzz>
)

Mobile heart and warning reactions and message text render as monochrome
symbols because bundled Inter supplies U+2764 and U+26A0. Remove only
those two character mappings from both regular and italic Inter fonts so
Flutter uses native font fallback. No production Dart or Markdown
parsing changes are needed.

The reproducible font-processing script verifies that every other
mapping and font table is unchanged, apart from the required checksum.
Glyphs, metrics, language coverage and symbols such as © ® ™ ↑ ↓ − ∕ are
preserved; the bundled Inter license is retained.

Validated on an actual iPhone 17 Pro simulator running iOS 26.5.
Reaction hearts and warnings remain centered within 0.33 logical pixels
of the pill center. Native screenshot checks cover reactions and plain,
emoji, explicit text-style, bold, italic, and enlarged emoji-only
message hearts and warnings, plus pixel-identical preserved text
samples.

**Fallback behavior:** on iOS 26.5, plain ❤ / ⚠ and explicit text-style
❤︎ / ⚠︎ also render as color emoji. Native font metrics add one logical
pixel to each of the three mixed-message lines in this fixture. Android
visual behavior has not been validated.

### Reactions

| Before | After |
| --- | --- |
| ![Monochrome hearts and warnings in
reactions](https://raw.githubusercontent.com/block/buzz/cf60b78c79fbdc4ac314ba74f3fd27b76c823755/pr-7842--before-reactions.png)
| ![Centered native color hearts and warnings in
reactions](https://raw.githubusercontent.com/block/buzz/cf60b78c79fbdc4ac314ba74f3fd27b76c823755/pr-7842--after-reactions.png)
|

### Message text

| Before | After |
| --- | --- |
| ![Monochrome message hearts and warnings with preserved
symbols](https://raw.githubusercontent.com/block/buzz/cf60b78c79fbdc4ac314ba74f3fd27b76c823755/pr-7842--before-messages.png)
| ![Native color message hearts and warnings with preserved
symbols](https://raw.githubusercontent.com/block/buzz/cf60b78c79fbdc4ac314ba74f3fd27b76c823755/pr-7842--after-messages.png)
|

Images are cropped native simulator screenshots of production widgets
with synthetic content. Before uses the original bundled fonts; after
uses the processed fonts.

Added tests: the existing mobile CI test lane now checks both bundled
fonts against the verified generated artifacts, preventing restoration
of the old mappings or unintended font changes.

Validation: the two asset tests, font-table verification, byte-identical
regeneration, native screenshot regression checks, and Flutter analysis
pass. The screenshot test fails against the original rendering. Pre-push
checks, including the full mobile suite, pass. Full repository
validation also passes. The enlarged emoji-only screenshot check passes
and rejects the old normal-sized fixture. GitHub CI, Codex review, and
the security review pass for commit 538167a. Both prior Codex
findings are addressed and resolved.

---------

Signed-off-by: Tom Brow <tomb@block.xyz>
🤖
## Summary
Scripts, scheduled jobs, and other automation need to give an agent one
prepared task and wait for a result without starting a long-running chat
listener. This adds `buzz-acp run`: it reads a task from a local file or
stdin, runs one fresh agent session with the configured tools and
instructions, cleans up, and exits with a machine-readable status.

```sh
buzz-acp run --task ./task.json
cat task.json | buzz-acp run --task -
```

- The versioned JSON task specifies a task ID, intended agent public
key, prepared prompt, and execution time limit. Invalid input or an
identity mismatch is rejected before agent launch. Credentials,
executable, tools, and permissions remain controlled by trusted launch
settings, not the task document.
- Each invocation uses the normal agent equipment: base/persona/team
instructions, enabled memory, tools, model and effort settings,
permissions, and Git identity, credentials, and signing. Both task and
conversational modes obtain these capabilities from one shared runtime
owner; new shared setup belongs there rather than in separate entry
points.
- Launch configuration reads have a separate ten-second bound and can be
cancelled even when a prompt file blocks. A deadline covers adapter
startup through the task turn. Interrupts and termination signals
trigger bounded cleanup. Stdout contains one terminal JSON record;
diagnostics stay on stderr. A normal turn ending is not proof that the
task achieved its goal.
- Normal invocation remains the conversational service. Task mode does
not start chat subscriptions, presence, heartbeat turns, or a persistent
agent pool. Tasks are trusted executable instructions, not sandboxed
input. Reusing a task ID does not prevent duplicate execution, and
uncertain outcomes must not be blindly retried.

See [the task contract](crates/buzz-acp/TASKS.md) for the document
format, exit codes, limits, and examples. URL retrieval, a task server,
and a persistent execution ledger are outside this change.

### Related issue
None found in the existing issue and PR search.

### Testing
- At `4e86bbc97`: 964 unit tests and 22 integration tests passed, with
three existing ignored tests. The package suite ran serially with
inherited harness/Git options cleared. A final test-only shutdown-result
assertion was then checked with the focused memory test and all-target
Clippy.
- All eight real-binary task tests independently passed on the exact
candidate, including blocked configuration reads, file/stdin validation,
session equipment, deadlines, cancellation, and cleanup. The memory test
passed 20 repeated runs. Removing the oversized-input guard fails the
new error assertion; restoring it passes.
- Package all-target Clippy, formatting, file-size checks, and pre-push
Rust/Tauri checks passed. All executed hosted checks passed on the
updated head (54 successful, 28 skipped). The separate Codex review
comment still requests authorization for this exact range.
- Earlier revisions passed the release build and a real Goose 1.51.0
tool-use smoke test. No new release artifact or installed Janet runtime
is claimed for this feedback revision.
- Repository-wide `just ci` was previously attempted; workspace Clippy
passed, then the desktop dependency check stopped on a local pnpm fetch
failure. Hosted checks cover the applicable PR lanes.

---------

Signed-off-by: Logan Johnson <loganj@squareup.com>
Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz>
…lock#7850)

Pre-push hook failures were hard to diagnose in two ways that cost
agents repeated reruns.

**nextest printed no failures.** lefthook runs the `rust-tests` lane
under a pty, and with an agent shell's `TERM=dumb` nextest picks its
progress-bar reporter, which then swallows every FAIL line, panic, and
summary — the lane only says `error: test run failed`. An orphaned
nextest (left behind when a push is killed) also spins at ~100% CPU
polling the dead pty for keyboard input. `rust-tests` now sets
`NEXTEST_SHOW_PROGRESS=counter` and `NEXTEST_NO_INPUT_HANDLER=1` via
lefthook's per-command `env:`.

**Stale `node_modules` looked like a code error.** After merging main
moved dependencies, `desktop-typecheck` failed with `Cannot find module`
and no hint to reinstall. `desktop-check`, `desktop-typecheck`, and
`desktop-test` now set `pnpm_config_verify_deps_before_run: warn` (a
shared YAML anchor), so pnpm prints `Your node_modules are out of sync
with your lockfile …` ahead of the script output. It is scoped to these
lanes and set to `warn` because the check also gates `pnpm exec`, and
`just bump-desktop-version` leaves the workspace flagged until the next
install, so `error` would block desktop release pushes. pnpm uses
recorded workspace state and manifest timestamps and is not a complete
lockfile-content check, so this is a hint rather than a guarantee.

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
🤖 I’m Larry.

## Summary
Managed-agent definitions can now choose which installed ACP transport
will launch the agent. The choice sits beside **Agent harness** while
creating or editing an agent, so it is made before first deployment and
remains visible afterward.

Buzz discovers executable commands named `buzz-*-acp`, keeps **Buzz ACP
(default)** as the safe default, and preserves existing custom command
values. Discovery and launch share the same resolver, so a command
offered in the picker is the command Buzz will execute.

## UX walkthrough

### 1. The ACP command picker appears while creating the agent
The default is explicit, and the helper text explains that this
selection controls deployment.

![Create-agent form with the ACP command picker beside Agent
harness](https://d24qwcpro867f5.cloudfront.net/repos/buzz/prs/6948/01-persona-create-acp-selector.png)

### 2. Installed wrapper commands are offered by name
Here Buzz has discovered `buzz-janet-acp` alongside the stock transport.

![ACP command menu offering Buzz ACP and
buzz-janet-acp](https://d24qwcpro867f5.cloudfront.net/repos/buzz/prs/6948/02-discovered-wrapper-dropdown.png)

### 3. The wrapper is selected before deployment

![Create-agent form with buzz-janet-acp
selected](https://d24qwcpro867f5.cloudfront.net/repos/buzz/prs/6948/03-wrapper-selected-before-deploy.png)

### 4. The deployed profile reports the effective command

![Deployed agent Runtime profile showing
buzz-janet-acp](https://d24qwcpro867f5.cloudfront.net/repos/buzz/prs/6948/04-deployed-profile-effective-acp.png)

### 5. Editing the deployed agent reopens its definition with the choice
preserved

![Edit-agent form retaining
buzz-janet-acp](https://d24qwcpro867f5.cloudfront.net/repos/buzz/prs/6948/05-edit-shows-persisted-wrapper.png)

## Details
- Definitions carry the selected ACP command through relay publication,
snapshots, imports, team adoption, deployment, and later edits.
- Existing definitions without this field continue to use `buzz-acp`.
- Unknown persisted commands remain visible but unavailable rather than
being silently replaced.
- Discovery is read-only and never executes candidates. It filters
non-files and non-executables, supports Windows `.exe`, `.cmd`, and
`.bat` shims, deduplicates aliases, and returns a stable sorted list.
- Command names remain portable; Buzz does not persist machine-specific
absolute paths.

---------

Signed-off-by: Logan Johnson <loganj@squareup.com>
Signed-off-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Signed-off-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz>
Co-authored-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@nostr>
Co-authored-by: Larry <8cf5a83f590ec0955b11647d1c88f796a98e088c30a492c58e0e46c3026ae7a4@buzz.block.builderlab.xyz>
Co-authored-by: Larry <627498bd4bd1f281a16431e3c6cce3b5c25b6692798c78672298aefbf2f8f8b5@buzz.block.builderlab.xyz>
Upstream MinIO image pulls are blocking CI (block#7867). Add a separate
publisher for `ghcr.io/block/buzz-minio:latest`, so the reusable image
can be bootstrapped before CI adopts it in block#7870.

- Build the checksummed official MinIO/mc release binaries from block#7868 on
a digest-pinned Alpine base.
- Build only when image/workflow/Compose inputs change or on manual
dispatch. PRs build and smoke-test; only `block/buzz` main can publish.
- Run the real Compose healthcheck and initializer, object
upload/read/delete, and anonymous-access denial before publishing
`latest` plus a unique `sha-<commit>-run-<id>-<attempt>` tag.
- Manual dispatch disables Docker's layer cache to refresh Alpine
packages. Normal image builds retain caching; each maintenance rebuild
keeps its own tag.

### Rollout

This PR contains only the publisher and opt-in Compose override. **It
does not switch ordinary CI consumers**, so its checks do not require
the unpublished image. This is a separate PR from adoption, as required
by Buzz's squash-only merge rules.

1. Merge this PR; its main-branch workflow builds, tests, and publishes
the image.
2. Make the `buzz-minio` GHCR package public and verify an anonymous
pull of `ghcr.io/block/buzz-minio:latest`. New GHCR packages default to
private.
3. Rebase draft block#7870 onto current main, retarget it to main, run its
integration checks, and merge it to switch all MinIO-backed CI jobs to
the published image.

### Validation

- Updated hosted [MinIO image build and smoke
test](https://github.com/block/buzz/actions/runs/36018177877) passed at
`700ab6d5346b37a64c9defde0016dc65c98aa790`; publication correctly
skipped on the PR.
- Hosted [ordinary
CI](https://github.com/block/buzz/actions/runs/36018178123) passed at
the same head. Its actual Git comparison detected only the five
publisher files, all application path filters were false, and the
MinIO-dependent integration checks were correctly skipped. Synced
current main before this run to eliminate an earlier stale-base
comparison that included unrelated ACP changes.
- Actual five changed paths were passed through the repo's pinned
`dorny/paths-filter`: all application domains were false. All 12
existing path-selection cases and the required-context isolation
contract also passed.
- Publisher actionlint, smoke-script shellcheck, and commit/push hooks
passed.
- Fresh local rebuild of `700ab6d5346b37a64c9defde0016dc65c98aa790`
passed with `docker buildx build --no-cache --platform linux/amd64
--load`. Logs confirm new Alpine index fetches and package installation
rather than a cached install layer. The committed smoke script passed
under local AMD64 emulation using the current merged Compose services
with isolated resource names and no published ports: healthcheck,
initializer/private bucket, object upload/read/delete, and anonymous
HTTP 403. Temporary containers, network, and volume were removed. Both
pinned binary checksums match the official release SHA-256 files.
- Full `just ci` was previously attempted: workspace formatting/Clippy,
desktop checks, and Tauri formatting passed; the run was stopped during
Tauri Clippy. No full local application-suite pass is claimed; hosted
application suites correctly skip this publisher-only change.

---------

Signed-off-by: Tyler Longwell <tlongwell@squareup.com>
…ead (block#7806)

Mobile half of the sidebar stale-reader fix (desktop: block#7805). It makes
the channel sections, sort, stars and mutes managers converge on the
latest relay head.

## Changes

- **Tie-break:** sections, stars and mutes compare `(created_at, id)`
with `id < cursor`, which matches the relay's `ORDER BY created_at DESC,
id ASC`. Sort already did this.
- **Coherent cursor:** `_publish()` records the signed event ID through
`SignedEventRelay.submit(onSigned:)` and advances
`(_lastRemoteCreatedAt, _lastRemoteEventId)` together. It only advances
when the pair is after the current cursor, so a newer head learned
during the await is kept. This applies to sections, stars and mutes.
- **Stars/mutes startup retry:** one serialized `_syncWithRelay()`
(`_syncInFlight`/`_syncAgain`) with 2s→30s backoff. It retries until the
history head is applied and the live subscription is settled. The
stars/mutes managers no longer re-subscribe on CLOSED:
`RelaySessionNotifier` owns retryable and rate-limited CLOSED, and a
terminal CLOSED is never re-sent. Reconnect works through session replay
and provider rebuild. Sections and sort keep their existing manager
CLOSED retry.
- **Stars/mutes durability:** storage `write()` returns the
`setString()` result. A decode or apply error, or a persist that returns
false or throws, fails the attempt. The accepted head only advances once
it is durable, so the same head is retried.
- **Stars/mutes pending fence:** each read snapshots `_localRevision`
and `_publishPending`. If a local edit or a publish happened while the
read was in flight, the result is discarded. Startup recovery retries
it; a resume read does not. Per-entry arbitration is unchanged.
- **Sections publish commits content with its cursor:** the submitted
blob is committed together with its cursor, so a same-second loser
applied during the OK wait can't strand the device. A local edit made
during the wait is kept.
- **Stars/mutes undecodable head:** an undecodable head is skipped
without holding startup open. Only a persist failure keeps the head
unapplied and retried.
- **Resume re-read:** all four providers listen to
`appLifecycleProvider`. On `resumed`, each manager runs one guarded
history read through its existing fetch/apply path. It is one-shot:
skipped when a local edit or publish is pending as it starts, not
retried on failure, and it starts no timers or poll loop. The result is
discarded if a mutation lands before it applies, and a disposed or
superseded manager (sort generation fence) never persists it.

## Residuals

- If the app stays in the foreground the whole time and a healthy socket
drops an EVENT, the missed head is picked up on the next resume or
reconnect.
- Sections: a live event can still overwrite a pending local edit. This
is pre-existing, and the resume read adds no new path to it.
- Sort: a greater remote timestamp wins, by policy.
- Stars/mutes: entries with equal `updatedAt` can still resolve
differently on different clients, under the existing merge policy.
- Stars/mutes: publish reads first and keeps the entry with the later
`updatedAt`, so a peer whose clock runs fast can override a pending
local entry. This rule already exists on main and matches desktop.
- Sections and sort persistence failures are pre-existing and not
redesigned here.

## Size

Production: 10 files, +495/−162. Tests: 3 files, +718. The new
`sidebar_sync_fixture.dart` runs over the real `RelaySessionNotifier`
seam and is shared by `channel_reader_recovery_test.dart`. Plus a
sections tie-break case.

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: Hayt <211b96e6a2b7f45fd4047988976c7bbbeeda0c15f3ae7b32eec20834b5a55118@buzz.block.builderlab.xyz>
Switch every CI job that starts MinIO to the public
`ghcr.io/block/buzz-minio:latest` image published by block#7869. Integration
jobs pull the image; image builds stay in the separate, path-filtered
publisher workflow.

- Apply the CI Compose override to both desktop integration shards,
backend integration, relay E2E, and mesh lifecycle, including
script-mediated Compose calls. Both the server and bucket initializer
use the Buzz image.
- Override both MinIO images in Helm's quickstart CI values, covering
the server, bucket initializer, and relay's wait-for-bucket init
container in the gated kind installation.
- Select integration and mesh checks when either Compose file changes,
with regression coverage using the real pinned `dorny/paths-filter`
action.

### Publication verified

block#7869 is merged, and [the first main-branch
publication](https://github.com/block/buzz/actions/runs/36021389137/job/107706874954)
succeeded. An anonymous pull using an empty Docker configuration
returned the publisher's digest:
`sha256:b8470bbeafbf57b20c86cf63804682b714bdcfdbb517f3770247e321e623f48f`.
This PR is rebased onto main and ready for consumer integration checks.

### Validation

- Ran the repository's MinIO smoke script against the actual published
AMD64 image: healthy startup, bucket initialization, object
upload/read/delete, and rejection of anonymous reads all passed. Used
the rendered CI Compose services with isolated local ports and resource
names.
- Verified `mc` runs and writes its configuration as Helm's non-root
UID/GID 65532 with dropped capabilities and no privilege escalation.
- Helm 3.16.4 lint and quickstart rendering passed; all three rendered
MinIO container references use the Buzz image.
- All 14 CI selection cases and the required-context isolation check
passed. Mesh workflow passes actionlint; shared workflows pass with
shellcheck disabled for pre-existing findings.
- Fresh repository-wide review traced workflow and script consumers and
found no remaining CI image omissions. Full application integration
checks and a real kind installation have not been run locally.

---------

Signed-off-by: Tyler Longwell <tlongwell@squareup.com>
## Buzz Desktop release v0.5.25

- **Frozen main:** `797012ff01a6d499959b45ed2e56f7927c6a4d6b`
- **Reviewed candidate:** `c8f73213089cbd5a0f1e675d3193558280d46e10`
- **Previous desktop release:** `desktop-v0.5.24`
- **Proposed immutable tag:** `desktop-v0.5.25`

This PR may be **squash merged** after the Desktop Release Candidate
check and all protected-branch checks pass. Merging authorizes
publication of the exact reviewed candidate; later or unrelated changes
on `main` cannot alter it.

The checked-in changelog accounts for every non-merge commit in the
release range. The Desktop tag points to the reviewed candidate commit,
not the later squash commit. Publication remains bound to that immutable
candidate tag.

Signed-off-by: Wes <wesbillman@users.noreply.github.com>
Co-authored-by: Release Automation <release-automation@users.noreply.github.com>
## Why

Buzz server components need one typed feature-flag contract without
forcing the open-source build to depend on LaunchDarkly. A staging or
production relay must not be able to choose the wrong provider through
runtime configuration.

## What

- Adds typed boolean and signed `i64` flags with static, environment,
and compile-gated LaunchDarkly evaluators.
- Defines an executable relay artifact contract that compiles exactly
one provider.
- Rejects zero or multiple relay provider features at compile time.
- Runs the LaunchDarkly feature tests and the provider compile matrix in
the unit CI lane and fallback test script.

## How

`buzz-feature-flags` stays provider-neutral. The future relay
composition root will expose one build path per artifact feature:
`static-feature-flags`, `environment-feature-flags`, or
`launchdarkly-feature-flags`. Runtime configuration carries only
settings for the selected provider. It never carries a provider name,
fallback, or precedence rule.

The crate still has no relay consumer. A locked compile fixture proves
each singleton builds and every zero or multi-provider combination fails
until the relay adopts this contract.

This removes the proposed runtime `ProviderMode` and leaves one
provider, one construction path, and one evaluator per artifact.

## Risk

This PR still has no relay or app consumer, so it changes no
user-visible behavior. Risk is limited to the new feature-flag crate,
its compile contract, and its unit-test lane.

## Testing

An external Rust consumer at `30cf968bfe85e82980fda7e63f5bebe649ca939f`
exercised six environment-evaluator scenarios and 59 assertions. The
compile-time correction adds no live consumer to exercise manually.

## Bigger picture

When `buzz-relay` adopts this crate, its build manifests must map each
distribution to one provider feature. That consumer PR must verify live
Relay Proxy reachability, secret ingestion, lifecycle ownership, and
user-visible behavior.

Generated with Codex

---------

Signed-off-by: tornquist <tornquist@squareup.com>
Co-authored-by: Codex <noreply@openai.com>
Co-authored-by: Claude Sonnet 5 <noreply@anthropic.com>
…ock#7873)

Follow-up to block#7806.

- **A retired sections manager never writes the shared prefs cache.**
`_persist()` now returns once the manager is disposed. That covers every
path a torn-down manager could take after an account or relay switch,
including a late OK restoring its submitted layout and the `dispose()`
flush's read-before-write merging a head. Before this change, both could
overwrite the successor's cache on the same pubkey key.
- **Coverage:**
- a retired late OK and a retired flush pre-read both leave the
successor's cache untouched
- an edit made while an OK is held still publishes after the OK is
released (`_lastPublishedStore` is built from the submitted store)
- a same-second losing head adopted after a local edit still converges
UI, cache and relay once our OK wins. The adopted layout's pending
debounce is deliberately left armed, because its republish is what
re-converges this race.

**Residual:** an edit made just before our own echo arrives can be
replaced by that echo. This is existing behaviour on main and on
desktop.

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: Hayt <211b96e6a2b7f45fd4047988976c7bbbeeda0c15f3ae7b32eec20834b5a55118@buzz.block.builderlab.xyz>
…face (block#4768)

Adds a relay admin console under Settings — the single surface for
relay-level operator work — replacing the previously unreachable
moderation section. Operators authenticate with their own Nostr key over
NIP-98 — no browser extension, no bearer token — to view deployment-wide
moderation reports and product feedback, resolve/dismiss/escalate/reopen
reports, update feedback status, and manage the operator/moderator
staffing roster.

## Nav reachability

The old `moderation` section id was defined in `settingsSections` but
never wired into any group in `settingsNavGroups`, so the sidebar never
rendered it — unreachable since block#1617. This PR replaces it with a
`relay-admin` section wired into the Communities nav group, pointing at
the relay admin console, and drops the separate `admin-console` section
id so a single surface owns relay-level trust & safety.

The Relay admin nav entry is always visible. Auth gates the panel
itself; the nav entry is a door, not a credential — hiding it behind
discovery state would strand an operator whose relay transiently fails
NIP-11 discovery with no path back to the connection settings.

## Discovery and connection

On mount the console reads the connected relay's NIP-11 document for the
optional `admin_api` field. When a valid origin is discovered **and its
host matches the connected relay's host** (case-insensitive, host
identity only), it is automatically saved and probed — the panel renders
immediately with no Save step required. A cross-host advertisement is
pre-fill only: it populates the manual origin field under Advanced and
is never saved or probed without an explicit Save, so a relay cannot
direct an unconsented NIP-98 signature at a third-party origin; residual
exposure on the same-host path is bounded by NIP-98's URL/method/payload
binding. Saving is only required for manual origin changes. The
advertised origin is untrusted input: revalidated through
`AdminOrigin::parse`, falling back to manual entry when absent or
invalid. A saved manual origin always takes precedence over discovery.

## Auth and transport (Rust, `src-tauri/src/commands/admin/`)

- `AdminOrigin` value object: validates scheme + host + optional port,
rejects credentials/path/query/fragment; `http://` only for loopback.
The relay side normalizes its configured admin host at config load and
compares inbound `Host`/`Origin` hosts case-insensitively.
- `AdminRoute` closed enum: no IPC surface accepts arbitrary URLs, so
the NIP-98-signed URL is byte-identical to the fetched URL.
- Dedicated no-redirect `reqwest` client as an SSRF guard: a relay `3xx`
is an error and the NIP-98 header never crosses origins.
- `admin_probe` signs `GET /probe` and returns a typed state
(`nip98Authorized` / `nip98Denied` / `disabled` / `notAdminApi` /
`networkOrIntercepted`). The response body is validated against the full
relay contract — `nip98Authorized` only when the complete NIP-98
invariant holds, `disabled` only on a coherent disabled-mode body; any
incoherent or unrelated JSON classifies as `notAdminApi`, so the console
never fails open at the network boundary. Unknown fields are tolerated
for forward compatibility.
- NIP-98 signing via `AppState::signing_keys()`, one retry on `401` with
a fresh signed event; response size bounded by a `Content-Length`
preflight and a streaming byte counter; per-pubkey origin storage with
atomic `0o600` writes.

## Relay admin console

The console is gated behind the relay `OPERATOR`/`MODERATOR` roles from
block#3777; every `/api/admin/v1/*` route returns `403` to anyone else.
Community self-administration (`community-members` / Invites) and
in-channel enforcement (the 9040–9043 signed commands) are a separate
axis and are untouched. The previously-duplicate community report queue
(`ModerationQueueCard`, `moderationQueue.ts`, and three dead hooks) was
unreachable dead code and is deleted in its own commit;
`useBanMemberMutation` and the rest of `features/moderation/hooks.ts`
remain in use by the members sidebar and message menu.

## Console UI (TypeScript, `src/features/admin-console/`)

- `AdminConsoleSettingsCard`: discovery + probe flow, honest copy for
every probe state, manual origin under an `Advanced` disclosure at the
bottom. The role (operator/moderator) is rendered in the connection
status line as plain text ("Connected as operator") — no badge-shaped
elements above the tab row. The origin provenance (relay config /
database) appears inside the Advanced card as small muted text. Section
title changed to `Admin`.
- `AdminConsolePanel` with Reports / Feedback / Staffing tabs (Staffing
gated on `role === "operator"`); reports and feedback grouped by
community for cross-community triage.
- **Reports**: always requests `scope=all` so the existing
resolve/cancel/reopen controls can reach every status (`open`,
`processing`, `resolved`, `dismissed`, `escalated`). The relay's
omitted-scope default is `escalated`-only (the platform-safety
backstop); `scope=all` is explicit and scoped to this console. Full
action matrix per `target_kind` (event →
delete/kick/ban/timeout/dismiss/escalate; pubkey →
ban/timeout/dismiss/escalate; blob → dismiss/escalate); kick is
suppressed when the report carries no `channelId`. A `processing` row
stays navigable — enforcement state lives in the detail view. A `failed`
action (always pre-mutation) offers a single **Cancel & reopen** via
`POST /reports/{id}/cancel` with `{actionId}` fencing; there is no
client-side retry. `pending`/`enforcing` actions belong to the relay
recovery worker and offer no button; a `409` reloads detail. Lists
refetch on back-navigation after a mutation.
- **Report failure UX**: `reportErrorMessage()` strips 4xx/5xx status
prefixes and surfaces the relay's own error reason in the toast (e.g.
relay returns `"400: you cannot report this content"` → toast shows
`"you cannot report this content"`). Self-report blocking UI removed —
the relay has no self-report gate, and the failure was purely
client-side error surfacing.
- **Reason audience disclosure**: the Reason (optional) field shows
exact copy under the input based on selected action — Delete discloses
that reason is sent verbatim to the affected user and posted publicly in
the room; Kick/Ban/Timeout disclose affected-user only; Dismiss/Escalate
disclose reporter only. These mirror the actual relay notice paths.
- **Enforcement history**: the report detail carries the governing
action even after the report leaves `processing` — a report enforced
then reopened is `open` yet still shows its `succeeded` action as
executed history alongside the resolve form; a reopen does not un-happen
a ban. The resolve form gates on `open` status alone.
- **Reopen**: terminal reports (`resolved`/`dismissed`/`escalated`) can
be returned to `open` for re-triage via `POST /reports/{id}/reopen`.
Reopen never reverses applied enforcement, and the copy says so.
- **Feedback**: list, detail, and status control
(`new`/`reviewed`/`archived`) with a generation-fenced attachment
viewer. A purged source community severs provenance to `null` rather
than deleting the row; severed rows bucket under a "source community
removed" heading.
- **Staffing**: Add is create-only with display names resolved via
`useUsersBatchQuery` and npub cross-fade on hover
(`HoverStaffingIdentity`). An entered key that already appears in the
authoritative roster (config, owner-fallback, or DB) is rejected locally
with an inline duplicate-key message and no request is issued; a `409
Conflict` from add, role change, or remove surfaces the relay's parsed
error body via `adminErrorMessage(e)` — distinguishing config-backed key
conflicts from last-operator conflicts without HTTP-status inference.
Roster with `config`/`owner_fallback`/`db` source labels; config-backed
entries disable remove client-side. In-place role change via `<select>`
calling `putAdminOperator`; the relay responds with the effective
`OperatorEntry` (`pubkey`, `effectiveRole`, `sources`) in the same shape
as the roster list. Read-only badge for config-managed entries.
- **Timeout expiry**: `useTimeoutState` clears the store when derived
state is `INACTIVE` but the store is still active; the 1s tick is scoped
to entries with a known `expiresAtMs` and owned by
`ComposerTimeoutBanner` (mounted only while a timeout is active), while
`ChannelPane` subscribes to the boolean `useTimeoutActive()` — the pane
re-renders when a timeout starts or ends, not every second.
`useMembersSidebarModeration` ticks `nowMs` only while the sidebar is
open, the viewer can moderate, and some member has a future
`mutedUntil`; the tick after the last expiry stops the interval.
- Staffing refreshes the principal after a self-demotion or
self-removal: `AdminConsolePanel` passes `onSelfMutation` to
`StaffingTab`, which re-probes the saved origin so the role badge and
tab visibility update without a manual re-probe.
- Staffing mutation failures, including both 409 variants (config-backed
key vs. last operator), surface the relay's parsed error via
`adminErrorMessage`, so the last-operator recovery guidance is shown.
- Mutations confirm via `sonner` toasts; failures surface the relay's
parsed error `message`, not raw JSON. The `disabled` auth mode renders
read-only.

## Mutation idempotency

Resolve and reopen carry a per-attempt `requestId`. On first submit the
whole command (`{requestId, action, reason, expirationSecs}`) is frozen;
after an ambiguous failure (409, 5xx, transport error, truncated
response) the snapshot is retained, action/reason/duration controls are
locked, and the retry sends the exact same payload byte-for-byte. A
definitive pre-commit rejection (non-409 4xx with `bodyComplete: true`)
discards the snapshot, unlocks controls, and the corrected submit uses a
fresh payload. On success the toast derives from the authoritative
`AdminReportResolution` (`activeAction.action` when present; otherwise
`status` for decision-only outcomes) — never from the mutable form
selection.

The native mutation commands — including operator delete — reject with a
typed `AdminMutationError` carrying the relay's HTTP status
(`relayStatus`, `null` when no verdict exists) and a `bodyComplete` flag
that is `true` only when the full response body was read.

## Restriction routes contract change

`GET /members/restrictions` and `DELETE /members/{pubkey}/ban|timeout`
now take `communityHost` instead of `communityId`; the relay resolves
the tenant itself and returns `400 unknown_community_host` for an
unmapped host. This is a breaking contract change with no compatibility
shim: the relay must run this build before a desktop that uses it,
scripts sending `communityId` must switch, and rolling the relay back
breaks the desktop Restrictions UI. `docs/admin/README.md` documents the
three routes in the route inventory and carries the migration note.
Restriction calls also carry the relay the list was loaded from, and the
native side rejects a mismatch before building any URL.

## Hardening

- Saved admin origins are stored per pubkey and per relay host. The host
slug parses the relay URL, keeps the port-drop for DNS names, and
encodes IPv6 hosts canonically, so two IPv6 relays never share a file
and no IPv6 slug can match a DNS slug.
- NIP-11 admin discovery has its own 10s request deadline and reads
`/info` success and error bodies through the bounded reader with a 64
KiB cap (`Content-Length` is only a pre-check).
- `PUT /operators` builds its `OperatorEntry` response from the
validated body (`effectiveRole = role`, `sources = ["db"]`) instead of
re-reading the roster, so a concurrent change can't turn a committed
write into a `403`.

Related: block#3777 (relay `OPERATOR`/`MODERATOR` role model + NIP-98 auth +
`admin_api` NIP-11 advertisement — provides the runtime and the
discovery field this console consumes)
Related:
[builderbot-platform-core-infrastructure#140](squareup/builderbot-platform-core-infrastructure#140)
(prod admin ingress allowlist and NIP-98 rollout)


## Screenshots

Captured headless at `197f0ba0c` against the mock bridge (1280×720).

### Setup

**Origin setup — Advanced disclosure open, idle state**
![Relay admin panel with Advanced: admin origin disclosure open before
probe](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/02-origin-setup.png)

**Authorized console — all three tabs**
![Authorized relay console showing Connected as operator status and
Reports/Feedback/Staffing
tabs](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/03-origin-authorized.png)

### Reports

**Reports queue — open, processing, resolved across two relay groups**
![Reports tab showing community-grouped list with spam/open,
harassment/processing, illegal/resolved
rows](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/04-reports-queue.png)

**Open report detail — reporter, target, message snapshot, resolve
form**
![Open spam report detail with reported message content and
Delete/Kick/Ban/Timeout/Dismiss/Escalate action
buttons](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/05-report-detail-open.png)

**Processing report — PROCESSING/HARASSMENT, ban enforcing state**
![Processing harassment report detail showing enforcement state with ban
action in enforcing
status](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/06-report-enforcement.png)

**Resolve form — Delete selected, audience disclosure copy**
![Resolve form with Delete action selected showing "Sent verbatim to the
affected user and posted publicly in the room" audience
copy](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/07-resolve-form.png)

**Resolved report — enforcement history block**
![Resolved/illegal report detail showing Resolved by, Resolved at, and
Act ID fields from completed
enforcement](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/08-resolved-history.png)

### Feedback

**Feedback list — community grouping with status badges**
![Feedback tab showing relay.example.com group with new/reviewed items
and source-community-removed
group](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/09-feedback-list.png)

**Feedback detail — mutable status control (operator mode)**
![Feedback detail with new/reviewed/archived status tab control visible
for
mutation](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/10-feedback-mutable.png)

**Feedback detail — passive status badge (read-only/disabled mode)**
![Feedback detail in disabled mode showing passive "Status NEW" badge
with no mutation
control](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/11-feedback-readonly.png)

### Staffing

**Staffing roster — config/owner\_fallback/db source labels**
![Staffing tab showing three operators with config, owner_fallback, and
db source
labels](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/12-staffing-roster.png)

**Add form — new pubkey filled, ready to submit**
![Staffing add form with a new 64-hex pubkey entered and moderator role
selected](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/13-staffing-add.png)

**Duplicate rejection — inline error for existing principal**
![Staffing add form showing "Already an operator: operator. Use Remove
to revoke before re-adding with a different role." error for an existing
config-backed
operator](https://raw.githubusercontent.com/block/buzz/f92559f9fab694b51afd60fdf76cb276de2fa830/docs/pr4768/14-staffing-dup.png)

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Will Pfleger <wpfleger@block.xyz>
Signed-off-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Signed-off-by: Alia <d32955ad69077062930cc46cfe2df30ca9aaf6f8e76422681265e9e9af704d78@buzz.block.builderlab.xyz>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
Co-authored-by: Alia <d32955ad69077062930cc46cfe2df30ca9aaf6f8e76422681265e9e9af704d78@buzz.block.builderlab.xyz>
…on leases under row lock (block#7853)

## What

Two fixes to `crates/buzz-db/src/store/relay_admin_actions.rs` and one
cleanup in `crates/buzz-db/src/store/thread.rs`.

### 1. Thread counter atomicity

The admin delete action now calls the canonical
`soft_delete_event_and_update_thread_in_tx` body shared with NIP-29 and
NIP-09 event-ID deletion. The delete, parent `reply_count` decrement,
root `descendant_count` decrement, and step marker commit or roll back
together in one transaction. A second action against an already-deleted
target is a no-op and does not double-decrement. After a committed
delete, `emit_live_thread_summary` refreshes the live thread count the
same way `DELETE_EVENT` does.

### 2. Lock-first lease expiry fence (all five admin-action paths)

On main, the final marker `UPDATE` in every admin-action path
(`execute_ban_with_marker`, `execute_timeout_with_marker`,
`execute_kick_with_marker`, `execute_delete_with_marker`,
`record_failure`) checks `clock_timestamp()` in the `WHERE` clause.
PostgreSQL can evaluate that predicate before waiting to lock the target
row. If another transaction holds the action row and releases it
unchanged after the lease expires, the update commits under the stale
timestamp.

On this branch, each path acquires the action row with `SELECT … FOR
UPDATE` inside the same transaction before any domain write. The
wall-clock expiry check in the marker `UPDATE` runs after that lock is
held, not before. The pre-entry ownership `SELECT EXISTS` checks remain
— they are early-rejection optimizations that are safe because the
correct final fence rolls back any provisional work.

`record_failure` on main uses a single-statement `execute(pool)`. On
this branch it begins a transaction, acquires the row lock with `SELECT
… FOR UPDATE` and an explicit expiry check, then writes `state =
'failed'` — matching the four mutation functions.

**Lease validity is checked at the protected ownership check under the
action-row lock, not at physical `COMMIT` completion.**

| Function | Change |
|---|---|
| `execute_ban_with_marker` | `SELECT … FOR UPDATE` added after
pre-entry check, before domain write |
| `execute_timeout_with_marker` | same |
| `execute_kick_with_marker` | same |
| `execute_delete_with_marker` | same |
| `record_failure` | wrapped in transaction; `SELECT … FOR UPDATE` +
clock check before state update |

### 3. Unused standalone counter helpers removed

`increment_reply_count`, `decrement_reply_count` (both in `thread.rs`),
and `Db::decrement_reply_count` have no production callers outside their
forwarding wrappers. Both perform unguarded autocommit writes that
bypass the deletion-transition/atomicity invariant. Removed to prevent
future misuse.

---------

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Signed-off-by: Hayt <211b96e6a2b7f45fd4047988976c7bbbeeda0c15f3ae7b32eec20834b5a55118@buzz.block.builderlab.xyz>
Co-authored-by: Hayt <211b96e6a2b7f45fd4047988976c7bbbeeda0c15f3ae7b32eec20834b5a55118@buzz.block.builderlab.xyz>
…ck#7881)

The staging recipe pointed at the retired
`sprout-oss.stage.blox.sqprod.co` relay.

Signed-off-by: Will Pfleger <pfleger.will@gmail.com>
Co-authored-by: Duncan <dcfd242e557282d7a1e2cf2e6877522682f1e5c6156dc92ca7d90eaedd3b0f95@buzz.block.builderlab.xyz>
@coderabbitai

coderabbitai Bot commented Sep 25, 2026

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@jeremylongshore
jeremylongshore merged commit 238869a into main Sep 25, 2026
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@jeremylongshore
jeremylongshore deleted the chore/sync-upstream-20260925 branch September 25, 2026 01:09
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