chore: configure Qdrant API key and update Redis key documentation

- Add QDRANT_API_KEY to .env and .env.development
- Update docs to reflect configurable Redis key prefix
- Add Qdrant configuration section to monitoring docs

.env.development

@@ -25,6 +25,11 @@ MONGODB_DATABASE=momentry
 REDIS_URL=redis://:accusys@localhost:6379
 REDIS_PASSWORD=accusys
 
+# Qdrant Vector Database (same as production)
+QDRANT_URL=http://localhost:6333
+QDRANT_API_KEY=Test3200Test3200Test3200
+QDRANT_COLLECTION=chunks_v3
+
 # Paths
 MOMENTRY_OUTPUT_DIR=/Users/accusys/momentry/output_dev
 MOMENTRY_BACKUP_DIR=/Users/accusys/momentry/backup/momentry_dev