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MetadataCache

Struct MetadataCache 

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pub struct MetadataCache { /* private fields */ }
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SQLite-based metadata cache (thread-safe)

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impl MetadataCache

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pub fn new(cache_dir: &Path) -> Result<Self>

Create or open cache database

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pub fn get( &self, path: &Path, current_mtime: SystemTime, ) -> Result<Option<SessionMetadata>>

Get cached metadata if fresh, otherwise None

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pub fn put( &self, path: &Path, meta: &SessionMetadata, mtime: SystemTime, ) -> Result<()>

Store metadata in cache

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pub fn invalidate(&self, path: &Path) -> Result<()>

Invalidate cache entry for a path

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pub fn get_project_paths(&self, project: &str) -> Result<Vec<PathBuf>>

Get all cached paths for a project

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pub fn stats(&self) -> Result<CacheStats>

Get cache statistics

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pub fn clear(&self) -> Result<()>

Clear all cache entries (for testing or rebuild)

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pub fn vacuum(&self) -> Result<()>

Vacuum database to reclaim space

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pub fn get_aggregate_stats(&self) -> Result<AggregateStats>

Get aggregate session stats from O(1) table (total sessions + messages)

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pub fn search_sessions( &self, query: &str, limit: usize, ) -> Result<Vec<SearchResult>>

Search sessions using FTS5 full-text search.

Returns up to limit results ranked by relevance (BM25). Returns empty vec (not error) if FTS5 index doesn’t exist yet (graceful degradation).

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pub fn rebuild_fts_index(&self) -> Result<usize>

Rebuild FTS5 index from existing session_metadata rows.

Called once after cache version bump to populate FTS5 for existing sessions.

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pub fn get_activity( &self, path: &Path, current_mtime: SystemTime, ) -> Result<Option<ActivitySummary>>

Get cached ActivitySummary if the session file mtime matches.

Returns None on cache miss or mtime mismatch (session was modified).

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pub fn put_activity( &self, path: &Path, session_id: &str, summary: &ActivitySummary, mtime: SystemTime, ) -> Result<()>

Store an ActivitySummary in cache, keyed by session file path + mtime.

Also populates the activity_alerts table for cross-session alert queries.

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pub fn invalidate_activity(&self, path: &Path) -> Result<()>

Invalidate activity cache entry for a session file.

Called by file watcher when a session file is modified.

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pub fn get_all_alerts( &self, min_severity: Option<&str>, ) -> Result<Vec<StoredAlert>>

Get all stored alerts, optionally filtered by minimum severity.

Useful for a global alert view across all analyzed sessions.

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pub fn activity_stats(&self) -> Result<ActivityCacheStats>

Get activity cache statistics

Trait Implementations§

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impl Drop for MetadataCache

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fn drop(&mut self)

Executes the destructor for this type. Read more

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