feat: CMS autoTriage improvements and review feedback

[RossHastie]

Summary

• autoTriage code quality: Extracted 3 helpers from 360-line triage_issues() function, deduplicated constants into constants.py, replaced emojis with text labels, added type hints
• Rate limiting: Rolling 60-second window for LLM API calls with LLM_MAX_CALLS_PER_MINUTE config
• Bounded caching: Replaced @lru_cache on instance methods with bounded dict cache (CACHE_MAX_ENTRIES=100) and two-phase eviction
• Input truncation: MAX_ISSUE_TITLE_LENGTH=200, MAX_ISSUE_BODY_LENGTH=2000 applied uniformly
• GitHub Enterprise support: urlparse-based URL handling instead of hardcoded regex
• Review feedback documentation: 6 independent code review reports + consolidated findings register + verification report
• Dependabot: Added .github/dependabot.yml for automated dependency updates

23 files changed, +4,607/-292 lines

Test plan

• Verify autoTriage service initialises without errors
• Verify rate limiter throttles after configured max calls
• Verify bounded cache evicts oldest entries beyond 100
• Verify long issue titles/bodies are truncated at boundaries
• Verify GitHub Enterprise URLs are parsed correctly

🤖 Generated with Claude Code

[Copilot]

Pull request overview

This PR improves the autoTriage tooling by refactoring the intake pipeline, adding LLM call protections (rate limiting + input truncation/sanitization), improving caching behavior in GitHub API wrappers, and aligning user-facing output with repo conventions. It also adds operational documentation artifacts and enables Dependabot for Python dependency updates.

Changes:

• Refactors triage_issues() by extracting helpers and standardizing outputs (including removing emoji status markers in autoTriage outputs).
• Adds LLM request hardening: rolling-window rate limiter, consistent input truncation, and user-content sanitization before prompt interpolation.
• Replaces @lru_cache usage on GitHubService instance methods with a bounded, TTL-based module cache; pins Python dependencies and adds Dependabot config.

Reviewed changes

Copilot reviewed 23 out of 23 changed files in this pull request and generated 8 comments.

Show a summary per file

File	Description
scripts/cli/install-cli.ps1	Adds strict mode, prerequisite validation, and comment-based help for CLI installation script.
scripts/cli/Auth/New-Agent365ToolsServicePrincipalProdPublic.ps1	Improves robustness via strict mode and error handling for module install/import.
autoTriage/services/teams_service.py	Replaces emoji markers in Teams Adaptive Cards with text labels.
autoTriage/services/llm_service.py	Adds sanitization, truncation, and process-wide rate limiting; updates prompt formatting.
autoTriage/services/intake_service.py	Adds URL parsing via urlparse, refactors triage orchestration into helpers, and applies sanitization in Copilot paths.
autoTriage/services/github_service.py	Introduces bounded cache eviction and migrates repository label caching to TTL cache.
autoTriage/requirements.txt	Pins dependency versions and adds guidance for hash verification.
autoTriage/constants.py	Introduces shared constants module (e.g., contributors-to-show limit).
Feedback/*.md	Adds multiple review reports, consolidated findings, and verification documentation.
.github/dependabot.yml	Enables weekly Dependabot updates for /autoTriage pip dependencies.

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[Copilot]

Pull request overview

Copilot reviewed 28 out of 29 changed files in this pull request and generated 1 comment.

[Copilot]

RateLimiter doesn't validate max_calls_per_minute. If LLM_MAX_CALLS_PER_MINUTE is set to 0 (or a negative value), wait_if_needed() will enter the limit branch with an empty _calls list and then access self._calls[0], raising IndexError. Consider enforcing max_calls_per_minute >= 1 (or treating 0 as 'disabled' and skipping limiting).