When no ANTHROPIC_API_KEY is set, ai_enhancer.py now falls back to LOCAL
mode (Claude Code CLI) instead of disabling AI enhancement entirely.
Changes to AIEnhancer base class:
- AUTO mode now falls back to LOCAL instead of disabling
- Added _check_claude_cli() to verify Claude CLI is available
- Added _call_claude_local() method using Claude Code CLI
- Refactored _call_claude() to dispatch to API or LOCAL mode
- 2 minute timeout per LOCAL call (reasonable for batch processing)
This affects all AI enhancements:
- Design pattern enhancement (C3.1) → LOCAL fallback ✅
- Test example enhancement (C3.2) → LOCAL fallback ✅
- Architectural analysis (C3.7) → LOCAL fallback ✅
Before (bad UX):
ℹ️ AI enhancement disabled (no API key found)
After (good UX):
ℹ️ No API key found, using LOCAL mode (Claude Code CLI)
✅ AI enhancement enabled (using LOCAL mode - Claude Code CLI)
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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