d9072b4a98
- Add normalizeFallbackModels helper to centralize string/array normalization (P3) - Export RuntimeFallbackConfig and FallbackModels types from config/index.ts - Fix agent detection regex to use word boundaries for sessionID matching - Improve tests to verify actual fallback switching logic (not just log paths) - Add SessionCategoryRegistry cleanup in executeSyncTask on completion/error (P2) - All 24 runtime-fallback tests pass, 115 delegate-task tests pass