Record legacy cache skip optimization · 1036660

+1 -1

HealthProbe/Doc/04-project/Import-Optimization-Log.md

@@ -421,7 +421,7 @@ SQLite/Core Data archive/cache path instead.
 | 2026-06-02 | pending | Moved Dashboard archive cache refresh/rebuild off the UI path after snapshot completion. | Awaiting real-device confirmation that the app no longer stays unresponsive for roughly one minute after a completed snapshot. |
 | 2026-06-03 | `f60f09a` | Fast-path unchanged samples whose current version already has an open visibility range. | Confirmed on repeated no-delta capture: `SummedInsertElapsed` remained 0.0s; remaining cost is `SummedFinalizeElapsed` 12.9s, with Heart Rate finalize 9.1s. |
 | 2026-06-03 | `19ba656` | Copy previous type summaries and daily aggregates for unchanged metric observations instead of rebuilding from visible ranges. | First follow-up was not no-delta (+71 records), so it is inconclusive for the unchanged path. It did show `SummedInsertElapsed` 0.1s and a new changed-metric processing bottleneck: Heart Rate processing 13.9s, Active Energy processing 5.0s. |
-| 2026-06-03 | pending | Skip legacy SwiftData detail-cache precompute for large type archives. | Triggered by a crash after building Heart Rate and Active Energy detail caches. Expected signal: no post-import `NSGenericException`, lower post-import wall-clock gap, and `healthKit.detailCache.skipLargeLegacyArchive` logs for high-volume types. |
+| 2026-06-03 | `e49a79d` | Skip legacy SwiftData detail-cache precompute for large type archives. | Triggered by a crash after building Heart Rate and Active Energy detail caches. Expected signal: no post-import `NSGenericException`, lower post-import wall-clock gap, and `healthKit.detailCache.skipLargeLegacyArchive` logs for high-volume types. |
 
 ## Current Diagnosis
 


	@@ -421,7 +421,7 @@ SQLite/Core Data archive/cache path instead.
421	421	\| 2026-06-02 \| pending \| Moved Dashboard archive cache refresh/rebuild off the UI path after snapshot completion. \| Awaiting real-device confirmation that the app no longer stays unresponsive for roughly one minute after a completed snapshot. \|
422	422	\| 2026-06-03 \| `f60f09a` \| Fast-path unchanged samples whose current version already has an open visibility range. \| Confirmed on repeated no-delta capture: `SummedInsertElapsed` remained 0.0s; remaining cost is `SummedFinalizeElapsed` 12.9s, with Heart Rate finalize 9.1s. \|
423	423	\| 2026-06-03 \| `19ba656` \| Copy previous type summaries and daily aggregates for unchanged metric observations instead of rebuilding from visible ranges. \| First follow-up was not no-delta (+71 records), so it is inconclusive for the unchanged path. It did show `SummedInsertElapsed` 0.1s and a new changed-metric processing bottleneck: Heart Rate processing 13.9s, Active Energy processing 5.0s. \|
424		-\| 2026-06-03 \| pending \| Skip legacy SwiftData detail-cache precompute for large type archives. \| Triggered by a crash after building Heart Rate and Active Energy detail caches. Expected signal: no post-import `NSGenericException`, lower post-import wall-clock gap, and `healthKit.detailCache.skipLargeLegacyArchive` logs for high-volume types. \|
	424	+\| 2026-06-03 \| `e49a79d` \| Skip legacy SwiftData detail-cache precompute for large type archives. \| Triggered by a crash after building Heart Rate and Active Energy detail caches. Expected signal: no post-import `NSGenericException`, lower post-import wall-clock gap, and `healthKit.detailCache.skipLargeLegacyArchive` logs for high-volume types. \|
425	425
426	426	## Current Diagnosis
427	427