- Add gemini-3-flash to MODEL_FALLBACK_MAP for completeness
- Add hasGeminiHistory() to detect Gemini→Claude cross-model switch
- Trigger recovery for Claude only when Gemini history detected
- Remove unnecessary thinking block filtering for Claude-only conversations
- Add comments explaining '.' placeholder usage
- Remove unused filterUnsignedThinkingFromMessages function
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
Instead of stripping all thinking blocks during thinking recovery,
now only strips invalid or incompatible blocks. Uses signature cache
to validate family compatibility for cross-model fallback scenarios.
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>
- Add in-memory signature cache to restore thoughtSignatures stripped by Claude Code
- Implement thinking recovery logic to handle interrupted tool loops for Gemini
- Enhance schema sanitizer to preserve constraints and enums as description hints
- Update CLAUDE.md with new architecture details
🤖 Generated with [Claude Code](https://claude.com/claude-code)
Co-Authored-By: Claude <noreply@anthropic.com>