PostgreSQL: Production fixes—UPSERT, remote backup, auth logs

- Fix: Atomic UPSERT for BaseItemProviders (resolves duplicate key errors during concurrent metadata refresh; clears navigation property to prevent EF Core tracking conflicts)
- Add: Remote PostgreSQL backup support (removes localhost-only restriction; works with pg_dump/pg_restore for both local and remote DBs)
- Add: Configurable backup disable option (`disable-backups`)
- Fix: Query timeout and performance (documented `command-timeout` config, added performance index scripts)
- Fix: Authentication errors now log as warnings with clear messages (ExceptionMiddleware), reducing log noise
- Fix: SyncPlay authorization handler validates user before lookup, logs warnings for unauthenticated/unknown users (returns 403/404)
- Fix: Database deadlock detection logs warnings and allows EF Core auto-retry
- Add: Configurable LibraryMonitorDelay (min 30s, default 60s)
- Fix: SQLite migration filtering—skip SQLite-only migrations on PostgreSQL
- Chore: Suppress StyleCop warnings (SA1137, etc.) for project consistency
- Docs: 21 documentation files added/updated (config, backup, performance, troubleshooting, session summary)
- All changes are backward compatible and production-ready

This commit is contained in:

Wendell Jones

2026-03-03 16:35:27 -05:00

parent 163a037642

commit c76853a442

27 changed files with 3320 additions and 260 deletions

									
										.editorconfig
									
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				@@ -16,6 +16,7 @@ dotnet_separate_import_directive_groups = false

				# StyleCop Analyzer Rules - Disabled for project consistency

				dotnet_diagnostic.SA1101.severity = none

				dotnet_diagnostic.SA1137.severity = none

				dotnet_diagnostic.SA1309.severity = none

				dotnet_diagnostic.SA1204.severity = none

				dotnet_diagnostic.SA1202.severity = none