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skills/ln-342-regression-checker/SKILL.md

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+---
+name: ln-342-regression-checker
+description: Worker that runs existing tests to catch regressions. Auto-detects framework, reports pass/fail. No status changes or task creation.
+---
+
+# Regression Checker
+
+Runs the existing test suite to ensure no regressions after implementation changes.
+
+## Purpose & Scope
+- Detect test framework (pytest/jest/vitest/go test/etc.) and test dirs.
+- Execute full suite; capture results for Story quality gate.
+- Return PASS/FAIL with counts/log excerpts; never modifies Linear or kanban.
+
+## Workflow (concise)
+1) Auto-discover framework and test locations from repo config/files.
+2) Build appropriate test command; run with timeout (~5m); capture stdout/stderr.
+3) Parse results: passed/failed counts; key failing tests.
+4) Output verdict JSON (PASS or FAIL + failures list) and add Linear comment.
+
+## Critical Rules
+- No selective test runs; run full suite.
+- Do not fix tests or change status; only report.
+- Language preservation in comment (EN/RU).
+
+## Definition of Done
+- Framework detected; command executed.
+- Results parsed; verdict produced with failing tests (if any).
+- Linear comment posted with summary.
+
+## Reference Files
+- Risk-based limits used downstream: `../ln-350-story-test-planner/references/risk_based_testing_guide.md`
+
+---
+Version: 3.0.0 (Condensed regression worker)
+Last Updated: 2025-11-26