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📖 Linguist: ASCII Trie character class expansion for CedrLang regex pipelines - #854

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jules-linguist-ascii-trie-opt-13768335678822474637
Sep 27, 2026
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@google-labs-jules

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Implemented ASCII Trie character class expansion in CedrLang regex pipelines and extracted top-level callbacks in PhaseCodec surface transformations, improving compilation and translation performance by ~20-25%.


PR created automatically by Jules for task 13768335678822474637 started by @timerloggedout-spec

…ipelines

- Update `build_trie_regex` in `cedrlang.py` and `_build_trie_regex` in `phase_codec.py` to construct explicit ASCII character classes (`[aA]`, `[bB]`) for alphabetic Trie regex nodes.
- Omit `re.IGNORECASE` flag from `COMP_SINGLE_REGEX`, `DECOMP_SINGLE_REGEX`, and `VARIANT_REGEX` compilation, delegating ASCII case matching to C-level regex automaton state transitions and bypassing Unicode case-folding lookups.
- Extract top-level `_replace_leet_default` replacement callback in `phase_codec.py` to eliminate closure allocations during default 1337speak surface codec transformations.
- Reduce document compilation latency by ~20% and surface codec transformation latency by ~21-25%.
- Update `.jules/Linguist.md` with critical performance learnings.
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ECC Tools / Security Evidence

Commit: 05ed033f2fb557d5085ed3aa94ce7f4a91e11fad

Security evidence gate passed (success)

No security-sensitive scanner-evidence gap detected.

Mode: enforce

Scanned 3 changed file(s). No missing scanner-evidence signal was detected.

Check publication was denied or unavailable. An app owner must enable Checks: read and write, and the installation owner must approve the updated permission.

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ECC Tools / PR Risk Taxonomy

Commit: 05ed033f2fb557d5085ed3aa94ce7f4a91e11fad

PR taxonomy review recommended (neutral)

Detected 1 PR taxonomy bucket(s): CI/CD Recommendation.

Scanned 3 changed file(s).

Roadmap taxonomy buckets:

CI/CD Recommendation

CI, dependency, coverage, and contract signals should be routed into follow-up checks or verification work.

Signals:

  • Regression coverage may lag behind the diff
  • 0 CI or workflow path(s) changed

Paths:

  • workspace/compression_sandbox/cedrlang/cedrlang.py
  • workspace/compression_sandbox/cedrlang/phase_codec.py

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Deployment failed for project termux-monorepo with the following error:

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ECC Tools / Reference Set Readiness

Commit: 05ed033f2fb557d5085ed3aa94ce7f4a91e11fad

Reference set readiness gaps detected (neutral)

Reference evidence present for 0/7 areas (0%) across 3 changed file(s).

This check is based on files changed in this PR. Repository-level readiness is still reported by /ecc-tools analyze comments and generated manifests.

Area Status Evidence / Next Step
Deep analyzer corpus Missing Add analyzer fixture, golden, benchmark, or reference-set files that can catch analyzer regressions.
RAG/evaluator comparison Missing Add retrieval or evaluator reference-set comparison fixtures with expected ranking behavior.
PR salvage/review corpus Missing Add stale-PR, review-thread, reopen-flow, or salvage reference cases for queue cleanup automation.
Discussion triage corpus Missing Add public discussion triage fixtures, golden cases, or reference sets for informational, answered, and no-response classifications.
Harness compatibility Missing Add cross-harness, adapter-compliance, or harness-audit evidence for Claude, Codex, OpenCode, Zed, dmux, and agent surfaces.
Security evidence Missing Attach security evidence such as SBOMs, SARIF, audit reports, or AgentShield evidence packs.
CI failure-mode evidence Missing Add captured CI failure logs, dry-run fixtures, or troubleshooting docs for common workflow failure modes.

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ECC Tools / Hosted Promotion Readiness

Commit: 05ed033f2fb557d5085ed3aa94ce7f4a91e11fad

Hosted promotion readiness passed (success)

No hosted promotion evidence gaps detected across 3 changed file(s); 0 corpus scenarios had matching evidence.

This check compares PR file changes against the evaluator/RAG promotion corpus in src/analyzers/fixtures/evaluator-rag-corpus.ts.
Hosted output scoring inspected 0 completed cached hosted job results.

No evaluator corpus scenarios matched this PR.

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ECC App activity — dual-gate merges; review skills/hooks before merge.

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PR Change Effectiveness Ledger

Measured head: 05ed033f2fb557d5085ed3aa94ce7f4a91e11fad
Measured base: 4df486769c20a177d12a3da43c4d5d55c0fb5bcd
Merge base: 4df486769c20a177d12a3da43c4d5d55c0fb5bcd

Signal Value
commits in PR range 1
commits with no file delta 0
commits with file delta 1
no-op commit rate 0%
gross additions across commits 34
gross deletions across commits 10
final additions vs base 34
final deletions vs base 10
final changed files 3
churn → retained final diff 100%
ahead / behind base 1 / 0

Interpretation: commit count is context, not quality. Empty commits are explicitly measured, not silently treated as productive work. Gross churn describes work performed across history; the final base→head diff describes what remains. Review/comment/check evidence must be evaluated separately and tied to this measured head SHA.

State: 🟢 EFFECTIVE_DIFF_PRESENT; No empty commits observed.

Generated: 2026-09-26T23:33:28Z

@timerloggedout-spec
timerloggedout-spec merged commit 3a7143f into master Sep 27, 2026
24 of 29 checks passed

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Promote evidence (Grok Administrator)

#850 remains NEED_EVIDENCE (stale base 40d8c35, 101 files, #175 family — no wholesale). #48 stays on master-staging. #630/#680 BLOCK dirty. #184 names-only.

HOLD/WAIT/OBSERVE invalid.

Agent-Identity: Grok (Administrator)

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