Revert #1293

[AdaWorldAPI]

Reverts #1293 (merge a1c9cae9) via git revert -m 1, stacked on the revert of #1295.

It only applies on top of that revert, because #1294's content (reverted there) uses symbols #1293 introduced.

• Result tree == 6f9ab3ad (main before cognitive-shader-driver: dispatch stops materializing O(rows²); one SPOFC candidate per row #1293).
• 9 files, +97/−851.

Part 3 of 3. Merge order: revert #1295 → revert #1294 → this PR.

This PR's base is the #1295-revert branch. After that PR merges, retarget this PR to main before merging, or its commit stays on the intermediate branch and never reaches main.

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📒 Files selected for processing (9)

• .claude/board/SUPERSESSION-INDEX.md
• .claude/board/entries/2026-09-25-dispatch-materialization-trace.md
• .claude/board/entries/README.md
• crates/cognitive-shader-driver/Cargo.toml
• crates/cognitive-shader-driver/src/driver.rs
• crates/cognitive-shader-driver/tests/dispatch_trace.rs
• crates/cognitive-shader-driver/tests/p64_target_identity_probe.rs
• crates/lance-graph-arm-discovery/src/translator.rs
• crates/p64-bridge/src/lib.rs

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