caoqianming 6c8e5561dc Cache unit/equipment codes for event messages ... Add MetadataCache to PlatformContext — a lazy-loaded, cross-app cache of code fields used when formatting event messages. Each persisted AppEvent previously did 1-2 extra SELECTs to look up the code for its human-readable message; after this change the same id hits the cache on all subsequent events. Invalidation: the platform-owned equipment handler invalidates its entry on update/delete; feeder's unit handler does the same for units. Deletes are invalidated for hygiene only — no further events should target a deleted id. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>		2026-04-22 08:21:46 +08:00
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app_feeder_distributor	Cache unit/equipment codes for event messages	2026-04-22 08:21:46 +08:00
app_operation_system	Clean feeder core dependency boundaries	2026-04-21 16:22:11 +08:00
plc_platform_core	Cache unit/equipment codes for event messages	2026-04-22 08:21:46 +08:00