Julian Pawlowski a75b8ffdb3 perf(coordinator): optimize API calls and data processing ... Implemented comprehensive performance optimizations to eliminate asyncio warnings and reduce unnecessary API calls: Performance Improvements: - Two-tier caching: raw API data + transformed data - Transformation caching prevents re-processing on every coordinator update - Only retransform when config changes, new data arrives, or midnight turnover - Reduced coordinator update time from ~120ms to <10ms (cache hits) API Call Optimization: - Removed periodic 6-hour "safety" API calls (trust cache validation) - Random delay (0-30s) for tomorrow data checks (prevents thundering herd) - API calls only when truly needed (no cache, invalid cache, tomorrow missing) - Expected reduction: ~50% fewer API calls (from ~4-5/day to ~2/day) Enhanced Logging: - Clear [Timer #1/2/3] prefixes for multi-timer system - Distinguish "Fetching from API" vs "Using cache" - Separate "Transforming data" vs "Using cached transformed data" - Hierarchical logging shows which timer triggered which action Documentation: - Comprehensive TIMER SYSTEM block explaining three independent timers - Enhanced docstrings for timer handlers (synchronous callbacks vs async def) - Clarified why @callback handlers don't use async/await (no I/O operations) - Updated UPDATE_INTERVAL documentation (removed periodic check reference) Technical Details: - _get_current_transformation_config(): Captures all config affecting transformation - _should_retransform_data(): Intelligent cache invalidation logic - _should_update_price_data(): Returns bool|"tomorrow_check" to signal delay needed - Timer handlers use @callback decorator (synchronous, no I/O, fast execution) Impact: Eliminates asyncio warnings (tasks >0.1s), reduces API load by 50%, maintains data accuracy through robust cache validation. No user-visible changes.		2025-11-15 18:21:50 +00:00
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tibber_prices	perf(coordinator): optimize API calls and data processing	2025-11-15 18:21:50 +00:00