chore(issues): replace Issues.txt with multi-repo service improvements

[stranske]

Adds 10 issues covering identified gaps and improvements for making the Workflows repository a proper multi-repo CI service:

1. Create floating v1 tag for stable consumer pinning
2. Add working-directory input for monorepo support
3. Document workflow outputs in Integration Guide
4. Add input validation step to reusable workflows
5. Create Node.js/TypeScript reusable CI workflow
6. Parallelize lint steps in Python CI workflow
7. Add conditional tool installation based on input flags
8. Create GitHub starter workflow template
9. Add backward compatibility policy documentation
10. Create integration test consumer repository

Issues formatted for Agents 63 Issue Intake workflow.

Automated Status Summary

Scope

• 10 Python test files in tests/workflows/ are excluded from CI and local runs because they import modules from Trend_Model_Project that don't exist in this repository (e.g., scripts.mypy_return_autofix, scripts.fix_cosmetic_aggregate, scripts.update_autofix_expectations). This represents ~50% of the Python test suite being skipped.

Tasks

• Identify the exact imports needed by examining the excluded test files.
• Create minimal stub modules that provide the expected interfaces (functions that return sensible defaults or raise NotImplementedError).
• Remove the corresponding entries from [tool.ruff] exclude in pyproject.toml.
• Remove the --ignore flags from selftest-ci.yml Python test step.
• Run the full test suite and fix any remaining import or interface issues.

Acceptance criteria

• - All 10 previously excluded test files are now included in CI runs.
• - python -m pytest tests/workflows/ -v runs without collection errors.
• - Test count increases from ~196 to include the previously skipped tests.
• - CI workflow passes with expanded test coverage.

Head SHA: 976b4e8
Latest Runs: ✅ success — Gate
Required: gate: ✅ success

Workflow / Job	Result	Logs
Agents PR meta manager	❔ in progress	View run
CI Autofix Loop	✅ success	View run
Gate	✅ success	View run
Health 40 Sweep	✅ success	View run
Health 44 Gate Branch Protection	✅ success	View run
Health 45 Agents Guard	✅ success	View run
Health 50 Security Scan	✅ success	View run
Maint 52 Validate Workflows	✅ success	View run
PR 11 - Minimal invariant CI	✅ success	View run
Selftest CI	✅ success	View run

[github-actions]

Gate fast-pass: docs-only change detected; heavy checks skipped.

[github-actions]

Automated Status Summary

Head SHA: 9d47bcf
Latest Runs: ⏳ pending — Gate
Required contexts: Gate / gate, Health 45 Agents Guard / Enforce agents workflow protections
Required: core tests (3.11): ⏳ pending, core tests (3.12): ⏳ pending, docker smoke: ⏳ pending, gate: ⏳ pending

Workflow / Job	Result	Logs
(no jobs reported)	⏳ pending	—

Updated automatically; will refresh on subsequent CI/Docker completions.

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Keepalive checklist

Scope

• 10 Python test files in tests/workflows/ are excluded from CI and local runs because they import modules from Trend_Model_Project that don't exist in this repository (e.g., scripts.mypy_return_autofix, scripts.fix_cosmetic_aggregate, scripts.update_autofix_expectations). This represents ~50% of the Python test suite being skipped.

Tasks

• Identify the exact imports needed by examining the excluded test files.
• Create minimal stub modules that provide the expected interfaces (functions that return sensible defaults or raise NotImplementedError).
• Remove the corresponding entries from [tool.ruff] exclude in pyproject.toml.
• Remove the --ignore flags from selftest-ci.yml Python test step.
• Run the full test suite and fix any remaining import or interface issues.

Acceptance criteria

• - All 10 previously excluded test files are now included in CI runs.
• - python -m pytest tests/workflows/ -v runs without collection errors.
• - Test count increases from ~196 to include the previously skipped tests.
• - CI workflow passes with expanded test coverage.

[Copilot]

Pull request overview

This PR replaces the old Issues.txt file containing 2 project-specific cleanup tasks with 10 new issues focused on transforming the Workflows repository into a comprehensive multi-repo CI service. The new issues cover versioning, monorepo support, documentation, validation, feature expansion, performance optimization, and testing improvements.

Key changes:

• Completely replaces previous issues with 10 new strategic improvements
• Shifts focus from project-specific cleanup to multi-repo service enhancements
• Maintains consistent formatting for the Agents 63 Issue Intake workflow

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