refactor: load environment variables from .env file and update openRouter configuration

workers/consolidationWorker.js

@@ -32,7 +32,7 @@ async function runConsolidationWorker(archiveDb, intelligenceDb, config) {
   );
 
   const insertFact = intelligenceDb.prepare(`
-    INSERT INTO company_facts
+    INSERT OR IGNORE INTO company_facts
       (company_id, type, claim, confidence, confirmation_count, first_seen_at, last_seen_at, last_event_id, supporting_event_ids)
     VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)
   `);