Add production retention and cleanup policy

aw-server/aw-server.env.example

@@ -22,6 +22,7 @@ AW_WORKTIME_AW_HTTP_TIMEOUT_SECONDS=6
 AW_WORKTIME_EVENTS_CACHE_TTL_SECONDS=300
 AW_WORKTIME_REPORT_CACHE_TTL_SECONDS=300
 AW_WORKTIME_REPORT_STALE_TTL_SECONDS=3600
+AW_WORKTIME_REPORT_DISK_CACHE_DIR=/var/lib/activitywatch/worktime-report-cache
 AW_WORKTIME_REPORT_DISK_STALE_TTL_SECONDS=86400
 AW_SERVER_URL=http://127.0.0.1:5600
 AW_DLP_AW_API_BASE=http://127.0.0.1:5600/api/0
@@ -80,10 +81,22 @@ AW_BROWSER_SMOKE_WORKTIME_BASE=http://127.0.0.1:5610
 AW_BROWSER_SMOKE_HOST=HOST-EXAMPLE
 AW_BROWSER_SMOKE_OUTPUT_DIR=/var/lib/activitywatch/browser-smoke
 AW_BROWSER_SMOKE_KEEP_RUNS=24
+AW_BROWSER_SMOKE_RETENTION_DAYS=1
 AW_BROWSER_SMOKE_ENGINE=chromium-cli
 AW_BROWSER_SMOKE_TIMEOUT_MS=20000
 AW_BROWSER_SMOKE_RENDER_TIMEOUT_MS=15000
 
+# Retention / cleanup policy. Cleanup must stay allowlisted and dry-run tested
+# before changing these values in production.
+AW_BACKUP_RETENTION_DAYS=7
+AW_BACKUP_KEEP_LAST_DB=2
+AW_BACKUP_KEEP_LAST_JSON=2
+AW_TMP_ARCHIVE_RETENTION_DAYS=1
+AW_TMP_WEBUI_RETENTION_DAYS=2
+AW_DB_MAINTENANCE_RETENTION_DAYS=7
+AW_DB_MAINTENANCE_CHUNK_SIZE=1000
+DETMIR_READINESS_RETENTION_DAYS=30
+
 # Hayabusa auto-case / alerting
 AW_HAYABUSA_AUTO_CASE_ENABLED=true
 AW_HAYABUSA_AUTO_CASE_MIN_SEVERITY=medium