feat: Implement SQLite schema and migrations for intrusion detection system

- Added schema definition and migration logic in app/db/schema.py.
- Created tables for log sources, requests, IP stats, scans, blocklist, whitelist, and firewall rules.
- Introduced functions to apply migrations and ensure database integrity.

feat: Enhance scan functionality with database integration

- Added _sync_blocklist_to_db function to synchronize blocklist with SQLite.
- Updated run_scan function to handle database connections and scan records.
- Implemented error handling for database operations during scans.

feat: Introduce log analysis page and API endpoints

- Created analysis.html template for displaying log analysis results.
- Added routes for fetching top IPs, IP request timelines, and cross-source IPs.
- Integrated analysis data into the dashboard and status endpoints.

fix: Ensure whitelists are synchronized with the database

- Implemented sync_whitelists_to_db function to persist in-memory whitelists.
- Updated constants.py to define the path for the SQLite database.

refactor: Modularize analysis helpers for better maintainability

- Created _analysis_helpers function to encapsulate SQLite query logic.
- Updated routes.py to utilize new analysis helper functions for API responses.

.gitignore

@@ -20,5 +20,10 @@ app/data/*
 !app/data/cloudflare/
 !app/data/paloalto/
 
+# SQLite database (canonical store) + WAL/SHM sidecars
+app/data/*.db
+app/data/*.db-wal
+app/data/*.db-shm
+
 # generated reports
 app/reports/