feat: email alias settings, mask generation and Ctrl+E (#72, #73, #74)

[parthashirolkar]

Summary

Implements slices 2-4 of the email alias PRD (#70) on top of the merged backend slice 1.

Closes #72
Closes #73
Closes #74

#72 - Alias provider settings UI

• New AliasSettings component embedded in Settings.tsx: add/edit integrations (provider type + description + API access token), delete, and set default.
• Backend: AliasConfig.description, list_configs (never exposes tokens), delete_config (also clears a matching default), set_default_config, plus Tauri commands list_alias_configs, delete_alias_config, set_default_alias_provider; save_alias_config now takes an optional description.

#73 - Username generator UI & pre-fill

• Username field gains a dropdown action listing the default action plus every active provider.
• In-input spinner while a mask is generating (PaletteInput.iconSpin), generated mask pre-fills the username, and the originating provider is shown as a badge.
• Entry.alias_provider_id is round-tripped through add_entry / update_entry / get_full_entry.

#74 - Keyboard shortcut (Ctrl/Cmd+E)

• Ctrl+E (Cmd+E on macOS) generates a mask using the default provider.
• Without a default provider, a helpful message plus an "Open Settings" action is shown below the Username field.
• Backend/provider errors (timeouts, invalid tokens) surface as clean validation messages below the Username field.

Testing

• Frontend: bun run test (67 passing), bun run typecheck, bun run lint.
• Backend: cargo fmt --check, cargo check --all-targets, cargo clippy --all-targets --all-features -- -D warnings, cargo test (104 passing).
• Added AliasSettings.test.tsx and new AddCredential.test.tsx / apiClient.test.ts cases covering add/edit/delete/default, mask generation, pre-fill, metadata persistence and the Ctrl+E flow.

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📥 Commits

Reviewing files that changed from the base of the PR and between 9792083 and 2431694.

📒 Files selected for processing (20)

• frontend/src-tauri/src/commands/alias.rs
• frontend/src-tauri/src/commands/credential.rs
• frontend/src-tauri/src/commands/health.rs
• frontend/src-tauri/src/commands/totp.rs
• frontend/src-tauri/src/lib.rs
• frontend/src-tauri/src/vault/alias.rs
• frontend/src-tauri/src/vault/entries.rs
• frontend/src-tauri/src/vault/mod.rs
• frontend/src-tauri/src/vault/search.rs
• frontend/src-tauri/src/vault_health/audit.rs
• frontend/src/api/client.ts
• frontend/src/api/types.ts
• frontend/src/components/AliasSettings.tsx
• frontend/src/components/PaletteInput.tsx
• frontend/src/components/Settings.tsx
• frontend/src/components/modes/AddCredential.tsx
• frontend/src/test/AddCredential.test.tsx
• frontend/src/test/AliasSettings.test.tsx
• frontend/src/test/apiClient.test.ts
• frontend/src/utils/aliasProviders.ts

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[greptile-apps]

Confidence Score: 3/5

The PR should not merge until alias generation is sequenced correctly and destructive integration deletion requires confirmation.

Findings

1.  Generation requests can race ▶
2.  Deletion lacks confirmation ▶
3.  Stale provider metadata ▶

Summary

• Adds persisted alias descriptions, configurable defaults, deletion, and token-safe listing commands.
• Adds settings UI for managing SimpleLogin and DuckDuckGo integrations.
• Adds mask generation, provider provenance metadata, and Ctrl/Cmd+E support to credential creation and editing.
• Adds frontend and backend tests for configuration management, generation, and metadata persistence.

_{Reviews (1) · Last reviewed commit: "feat: email alias settings UI, mask gene..."}