perf(ticket-214): optimize directory pruning and combined regex pattern matching in file filter

[tom-sapletta-com]

Summary

• Optimize directory pruning in FastFileFilter by extracting directory names from wildcard patterns and checking should_skip_dir in O(1) time.
• Add heavy directories (c2004, c2004-git-backup, workshop, managed_components, vendor, .subactor, .worktrees, .planfile) to _SKIP_DIR_NAMES.
• Pass combined skip directories to native_walk_project_files in native Rust bridge so Rust Rayon file walking prunes heavy directories natively.
• Compile wildcard exclude patterns into a single alternation regex _combined_regex_excludes instead of looping over patterns.
• Bump version to 0.5.182 with test coverage.

[ifuri-validator-agent]

Validator approval after policy checks for exact head e43e0075c3ca5ef26575e3010d0e18d0c47aa0a9.

Ticket: ticket-214
Correlation ID: local-semcod-code2llm-pr-29-ticket-214
Model: gemini/gemini-3.8-flash
Advisory LLM review: LLM_UNAVAILABLE
Reason: No module named 'litellm'
This approval rests on the deterministic checks alone; no advisory opinion was recorded for this head.
Semantic review prerequisite: not_required; policy 676cb4516bbfed2a000e40b9b1b6e4a430ecc761ec546aeb53d721a1905cfdd7.

Actual PR impact radar

Exact range: 3efb4f575ff87690f10c69a6b8642e0025e9d8d9...e43e0075c3ca5ef26575e3010d0e18d0c47aa0a9
Change digest: 98bbaa1d48f160082da83393427942d489d8ad4e245c222f0e56b3d960272724
Score: 48/100 (M), estimated 52 min, split recommended: true
Affected services/components: repository-wide/unclassified

Machine-readable radar JSONL and SVG

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Merge will be attempted after this approval when explicitly authorized. ## Decision record (recomputable)

DECISION D-214-4497
TICKET ticket-214
HEAD_SHA e43e0075c3ca5ef26575e3010d0e18d0c47aa0a9
CORRELATION_ID local-semcod-code2llm-pr-29-ticket-214
ACTOR agent:ifuri-validator-agent[bot]
APPLIED_RULE P-CORE-015
INPUT author_login = "tom-sapletta-com"
INPUT observed_checks = ["freshness=PASS","test (3.10)=PASS","test (3.13)=PASS"]
INPUT required_checks = ["test (3.10)","test (3.13)"]
INPUT required_checks_source = "protected registry (env/request)"
INPUT reviewer_login = "ifuri-validator-agent[bot]"
INPUT semantic_review_assessment = {"schema":"subactor.validator/semantic-review-assessment/v1","subject":{"repository":"semcod/code2llm","pull_request":29,"head_sha":"e43e0075c3ca5ef26575e3010d0e18d0c47aa0a9","base_sha":"3efb4f575ff87690f10c69a6b8642e0025e9d8d9","diff_sha256":"4cf046e3d68250e0093e45197f6738e1b3e6466ca13f3558e9c1ed5d0c1e07c0"},"policy":{"policy_schema":"subactor.validator/semantic-review-policy/v1","policy_version":1,"policy_sha256":"676cb4516bbfed2a000e40b9b1b6e4a430ecc761ec546aeb53d721a1905cfdd7","required":false,"critical_paths":[],"observed_paths":["VERSION","code2llm/__init__.py","code2llm/core/analyzer.py","code2llm/core/file_filter.py","pyproject.toml","tests/test_edge_cases.py","uv.lock"]},"grounding":"full-diff-not-per-finding-proof","execution_authority":false,"status":"not_required","reason":null,"review_sha256":null,"unresolved":[]}
INPUT superseded_checks = []
INPUT ticket_radar_receipt = {"schema":"subactor.ticket-radar/v1","base_sha":"3efb4f575ff87690f10c69a6b8642e0025e9d8d9","head_sha":"e43e0075c3ca5ef26575e3010d0e18d0c47aa0a9","change_digest":"98bbaa1d48f160082da83393427942d489d8ad4e245c222f0e56b3d960272724","score":48,"complexity":"M","estimated_minutes":52,"split_recommended":true,"services":[],"authority":"ADVISORY","promotion":"FORBIDDEN"}
VERDICT APPROVE AUTHORITY DETERMINISTIC
REJECTED REQUEST_CHANGES BECAUSE NO_UNSAFE_CHANGE_REASON_FOUND
ADVISORY llm_verdict = "" MODEL "gemini/gemini-3.8-flash"
ASSERT VERDICT_AUTHORITY != "ADVISORY"