Expire retained file bodies and reclaim SQLite storage

src/lib/server/db/index.ts

@@ -13,6 +13,7 @@ import { migrateNativeInstances } from '../backends/schema.js';
 import { installPerformanceIndexes } from './performance-indexes.js';
 import { migrateVersionLayout } from './version-layout.js';
 import { migrateFileBlobs } from './file-blobs.js';
+import { enableIncrementalVacuum, retentionClocks } from './retention-clocks.js';
 import { tuneConnection } from './connection.js';
 import { timeStatement } from './slow-statements.js';
 
@@ -318,6 +319,7 @@ export function db(): Database.Database {
     // silently breaks every subsequent query without a chance to retry.
     try {
         handle.pragma('journal_mode = WAL');
+        handle.pragma('auto_vacuum = INCREMENTAL');
         handle.pragma('foreign_keys = ON');
         tuneConnection(handle);
         dropLegacyBetaTables(handle);
@@ -414,6 +416,14 @@ export function db(): Database.Database {
             ON server_deployments(id) WHERE state NOT IN ('done','warning','cancelled');`);
         installPerformanceIndexes(handle);
         installReportRevisions(handle);
+        retentionClocks(handle, {
+            deployments: ['started_at', 'finished_at'], server_deployments: ['started_at', 'finished_at'],
+            maintenance_jobs: ['requested_at', 'finished_at'], watchdog_incidents: ['first_seen_at', 'finished_at'],
+            leaderboard_matches: ['started_at', 'last_received_at', 'ended_at'],
+            betas: ['opened_at', 'closed_at'], script_versions: ['uploaded_at'], retention_controls: ['resolved_at']
+        });
+        // Existing databases require one rebuild to gain the incremental-vacuum page map.
+        enableIncrementalVacuum(handle);
         handle.pragma('optimize = 0x10002');
     } catch (err) {
         handle.close();