Fix build: Update tests for image download refactor

- Remove RateLimitedHttpClient from ImageProcessingService constructor
- Rewrite ImageProcessingServiceTest to test new object detection workflow
- Fix IntegrationTest constructor call
- Add insertImage() back to DatabaseService for test compatibility
- Tests now focus on object detection rather than image downloading


Former-commit-id: e216a763ac

src/main/java/auctiora/DatabaseService.java

@@ -469,6 +469,22 @@ public class DatabaseService {
       }
    }
    
+   /**
+    * Inserts a complete image record (for testing/legacy compatibility).
+    * In production, scraper inserts with local_path, monitor updates labels via updateImageLabels.
+    */
+   synchronized void insertImage(long lotId, String url, String filePath, List<String> labels) throws SQLException {
+      var sql = "INSERT INTO images (lot_id, url, local_path, labels, processed_at, downloaded) VALUES (?, ?, ?, ?, ?, 1)";
+      try (var conn = DriverManager.getConnection(this.url); var ps = conn.prepareStatement(sql)) {
+         ps.setLong(1, lotId);
+         ps.setString(2, url);
+         ps.setString(3, filePath);
+         ps.setString(4, String.join(",", labels));
+         ps.setLong(5, Instant.now().getEpochSecond());
+         ps.executeUpdate();
+      }
+   }
+
    /**
     * Updates the labels field for an image after object detection
     */