Add changelog pattern analysis for repeated fixes and work coordination

[Copilot]

Related GitHub Issue

Roo Code Task Context (Optional)

Description

Analysis of 361 releases (721 fixes) to identify systemic patterns in bug recurrence and assess development coordination.

Key findings documented in CHANGELOG_ANALYSIS.md:

• Tool ID/Schema Validation (17+ fixes): Provider-specific patches instead of unified abstraction layer
• Duplicate Tool Results (16 fixes): State management gaps during async streaming
• Gemini Thought Signatures (10+ fixes): Format drift across model versions
• Race Conditions (17 fixes): Missing synchronization in condensing, streaming, tool protocols
• Context Condensing (24 fixes): Complex state transformations require architectural review
• Native Tool Protocol (30+ fixes): Multiple emission paths, provider edge cases

Coordination assessment: 7/10 — organized but reactive. Two contributors (@daniel-lxs, @hannesrudolph) own 70%+ of fixes with clear domain separation. Same-class bugs span v3.33→v3.46, suggesting surface patches over root cause resolution.

Test Procedure

Static analysis only. Verified fix counts via grep -c against changelog categories.

Pre-Submission Checklist

• Issue Linked: This PR is linked to an approved GitHub Issue (see "Related GitHub Issue" above).
• Scope: My changes are focused on the linked issue (one major feature/fix per PR).
• Self-Review: I have performed a thorough self-review of my code.
• Testing: New and/or updated tests have been added to cover my changes (if applicable).
• Documentation Impact: I have considered if my changes require documentation updates (see "Documentation Updates" section below).
• Contribution Guidelines: I have read and agree to the Contributor Guidelines.

Screenshots / Videos

N/A — documentation only.

Documentation Updates

• No documentation updates are required.

Additional Notes

Recommendations for reducing fix recurrence:

1. Unified tool schema normalization layer
2. State machine for tool execution flows
3. Cross-provider integration tests before release
4. Condensing system redesign with explicit invariants

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