feat(hotpath): fill automation-runtime retrieval/ledger gaps

[ScriptedAlchemy]

feat(hotpath): fill automation-runtime retrieval/ledger gaps

Summary

Fills the remaining #[hotpath::measure] coverage gaps in crates/tracedecay-automation-runtime only (HP-auto). 31 new measures, all under the automation_runtime.<area>.<verb> label scheme. Attribute-only change: every macro is a no-op with the hotpath feature off, which stays opt-in and out of default. No Cargo.toml, feature, or cross-crate changes.

Previously uninstrumented files

• automation/runner/retrieval.rs — session-evidence retrieval entry (retrieval.retrieve_session_evidence), outcome acceptance (retrieval.accept_outcome), anchor resolution (retrieval.resolve_anchor, async DB query), project authority binding (retrieval.bind_project_authority), and request-context minting (retrieval.mint_request_context, multi-digest construction).
• automation/artifacts.rs — improvement artifact chain entry (artifacts.write_improvement_chain) and per-artifact preparation (artifacts.prepare_artifact).
• automation/artifact_payloads.rs — the seven payload builders (artifact_payloads.build_traces/.build_feedback/.derive_generated_evals/.build_generated_evals/.build_validation_gate/.build_optimizer_diagnosis/.build_codex_handoff).
• automation/backend_identity.rs — identity derivation (backend_identity.derive), executable resolution (backend_identity.resolve_executable, PATH walk + open), and content digest (backend_identity.digest_executable, full binary read on cache miss).

Mixed files (add-missing only; existing labels untouched)

• run_ledger.rs — async loaders load_page / load_for_task_key, blocking scans scan_task_summary / scan_page / scan_filtered, and the locked append append_locked.
• run_ledger/exact_publication.rs — bind_exact, publish_exact_blocking (direct blocking callers exist alongside the already-measured async wrapper, mirroring the exact-lookup async/blocking pair), discard_exact, discard_unbound, discard_stale_exact, repair_append_intent.
• run_ledger/exact_lookup.rs — read_exact_identity (used by publication/binding verification).
• scheduler.rs — decide_host_receipt, acquire_task_lock, release_task_lock.
• effect_runtime/journal.rs — read_record, read_terminal, classify_settlement, check_unbound_cleanup, read_source_bindings, replay_exact_binding.
• skill_materialization.rs — detect_scopes plus the fs-walk interiors scan_support_files / recompute_package under the already-measured reconcile/materialize entries.

Getters, Display impls, thin one-line delegating wrappers (e.g. find_run_record, load_latest_scheduler_effectful_for_task_key), and test code were skipped.

Verification

• cargo check -p tracedecay-automation-runtime — pass (feature off; macros are no-ops).
• cargo check -p tracedecay-automation-runtime --features hotpath — pass.
• cargo check -p tracedecay-automation-runtime --features hotpath --all-targets — pass.
• cargo test -p tracedecay-automation-runtime — 396 passed, 0 failed.

Based on codex/tracedecay-total-redesign-plan-reopened (PR #707); #707 itself is untouched.

  

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Performance Comparison codex/tracedecay-total-redesign-plan-reopened → cursor/hotpath-automation-runtime-gaps-63e3

Total Elapsed Time: 5.41s → 5.05s (-6.7%)
CPU Baseline: 79.96µs → 83.29µs (+4.2%)
Benchmark ID: index-bench-timing

timing - Execution duration of functions.

+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| Function                                 | Calls                      | Avg                            | P95                            | Total                            | % Total                      |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| tracedecay-index-bench                   | 1 → 1 (+0.0%)              | 5.41s → 5.05s (-6.7%)          | 5.41s → 5.05s (-6.7%)          | 5.41s → 5.05s (-6.7%)            | 100.00% → 100.00% (+0.0%)    |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| query.artifact.append_pages              | 13 → 13 (+0.0%)            | 195.16ms → 178.89ms (-8.3%)    | 265.16ms → 244.19ms (-7.9%)    | 2.54s → 2.33s (-8.3%)            | 46.88% → 46.05% (-1.8%)      |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| query.artifact.batch.sqlite              | 13 → 13 (+0.0%)            | 124.97ms → 123.84ms (-0.9%)    | 169.08ms → 169.48ms (+0.2%)    | 1.62s → 1.61s (-0.6%)            | 30.02% → 31.88% (+6.2%)      |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| query.artifact.batch.postings            | 13 → 13 (+0.0%)            | 109.62ms → 107.88ms (-1.6%)    | 149.42ms → 149.29ms (-0.1%)    | 1.43s → 1.40s (-2.1%)            | 26.33% → 27.77% (+5.5%)      |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| CodeIndexProductionOwnerV1::extract_file | 276 → 276 (+0.0%)          | 5.16ms → 4.86ms (-5.8%)        | 8.09ms → 7.34ms (-9.3%)        | 1.42s → 1.34s (-5.6%)            | 26.32% → 26.58% (+1.0%)      |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| code_index.workers.install               | 83 → 83 (+0.0%)            | 19.67ms → 15.84ms (-19.5%)     | 72.09ms → 53.51ms (-25.8%) 🚀  | 1.63s → 1.31s (-19.6%)           | 30.16% → 26.03% (-13.7%)     |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| code_index.build.and_publish             | 2 → 2 (+0.0%)              | 547.10ms → 521.99ms (-4.6%)    | 547.88ms → 535.30ms (-2.3%)    | 1.09s → 1.04s (-4.6%)            | 20.22% → 20.67% (+2.2%)      |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| domain.canonical.sha256                  | 114526 → 114526 (+0.0%)    | 9.42µs → 8.94µs (-5.1%)        | 15.05µs → 15.02µs (-0.2%)      | 1.08s → 1.02s (-5.6%)            | 19.94% → 20.26% (+1.6%)      |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| query.artifact.finalization.advance_wake | 14 → 14 (+0.0%)            | 53.95ms → 53.25ms (-1.3%)      | 264.90ms → 261.75ms (-1.2%)    | 755.32ms → 745.49ms (-1.3%)      | 13.96% → 14.76% (+5.7%)      |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| code_index.chunk.index_file              | 276 → 276 (+0.0%)          | 2.37ms → 2.24ms (-5.5%)        | 3.81ms → 3.30ms (-13.4%)       | 655.05ms → 618.58ms (-5.6%)      | 12.10% → 12.25% (+1.2%)      |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| query.artifact.prepare_pages             | 13 → 13 (+0.0%)            | 61.74ms → 47.07ms (-23.8%) 🚀  | 88.01ms → 68.22ms (-22.5%) 🚀  | 802.57ms → 611.88ms (-23.8%) 🚀  | 14.83% → 12.12% (-18.3%)     |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| code_index.extract.parser_artifact       | 276 → 276 (+0.0%)          | 2.24ms → 2.10ms (-6.2%)        | 3.70ms → 3.13ms (-15.4%)       | 618.37ms → 579.45ms (-6.3%)      | 11.43% → 11.47% (+0.3%)      |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| query.artifact.batch.parallel_prepare    | 13 → 13 (+0.0%)            | 50.95ms → 36.78ms (-27.8%) 🚀  | 72.94ms → 53.51ms (-26.6%) 🚀  | 662.36ms → 478.09ms (-27.8%) 🚀  | 12.24% → 9.47% (-22.6%) 🚀   |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| code_index.chunk.build                   | 276 → 276 (+0.0%)          | 1.45ms → 1.37ms (-5.5%)        | 2.07ms → 1.98ms (-4.3%)        | 399.67ms → 379.34ms (-5.1%)      | 7.38% → 7.51% (+1.8%)        |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+
| code_index.chunk.identify                | 276 → 276 (+0.0%)          | 1.43ms → 1.36ms (-4.9%)        | 2.05ms → 1.97ms (-3.9%)        | 395.40ms → 375.10ms (-5.1%)      | 7.31% → 7.43% (+1.6%)        |
+------------------------------------------+----------------------------+--------------------------------+--------------------------------+----------------------------------+------------------------------+

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