feat(storage): SQLite PRAGMA tuning + Prometheus metrics - #49
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- applyPragmas(): synchronous=NORMAL, wal_autocheckpoint=1000, temp_store=MEMORY, mmap_size=256MB, page_size=4096, cache_size=32MB, recursive_triggers=ON, foreign_keys=ON, optimize - Integrity check on open (PRAGMA integrity_check) - Metrics: yaad_nodes_total, yaad_recall_duration_seconds, yaad_vector_search_duration_seconds, yaad_db_size_bytes, yaad_wal_size_bytes, yaad_lock_wait_seconds, yaad_schema_version, yaad_write_duration_seconds, yaad_migration_duration_seconds - RecordMetrics() for periodic gauge updates
…fixes CI triage on PR #49. lock.go carries the error-handling fix from the process-lock branch ahead of merge.
…72,6089,6090,6091,6218})
…theus - metrics.go/migrate.go: defer Close/Rollback, check PRAGMA Scan errors - cmd/yaad-tui: go.sum entries for new prometheus dependency CI triage on PR #49.
lock_unix.go/lock_windows.go carried over from the process-lock PR. CI triage on PR #49.
# Conflicts: # go.sum
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Phase 1 SQLite hardening (3/5). Merges after #48.
applyPragmas: synchronous=NORMAL, wal_autocheckpoint=1000, temp_store=MEMORY, mmap_size=256MiB, page_size=4096, cache_size=-32768, recursive_triggers=ON, foreign_keys=ON, periodicPRAGMA optimizestorage/metrics.gowith promauto Prometheus counters/histograms for storage operationsMerge order: after migrations (#48).