* fix(gsd): enforce backtick file paths in task plan IO sections
The reactive task graph (ADR-004) derives dependencies from backtick-wrapped
file paths in ## Inputs and ## Expected Output sections. Without concrete
paths, the graph is ambiguous and falls back to sequential execution.
Changes:
- task-plan.md template: add comments explaining paths are machine-parsed
- plan-slice.md prompt: explicitly instruct planner to write backtick file
paths in IO sections, add self-audit check for path presence
- observability-validator.ts: new validation rules missing_output_file_paths
(warning) and missing_input_file_paths (info) catch plans without paths
- plan-quality-validator.test.ts: 4 new test cases for IO path validation
* fix(ci): increase max_tokens and add JSON parse error handling in ai-triage
max_tokens: 300 was too low, causing truncated JSON responses from Claude
that failed to parse. Bumped to 1024 and added try/catch with raw text
logging for easier debugging.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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