file size limits, keep active filters in session

backend/src/main/java/com/storycove/service/DatabaseManagementService.java

@@ -354,14 +354,24 @@ public class DatabaseManagementService implements ApplicationContextAware {
         Path tempBackupFile = Files.createTempFile("storycove_restore_", ".sql");
 
         try {
-            // Write backup stream to temporary file
+            // Write backup stream to temporary file, filtering out incompatible commands
             System.err.println("Writing backup data to temporary file...");
             try (InputStream input = backupStream;
-                 OutputStream output = Files.newOutputStream(tempBackupFile)) {
-                byte[] buffer = new byte[8192];
-                int bytesRead;
-                while ((bytesRead = input.read(buffer)) != -1) {
-                    output.write(buffer, 0, bytesRead);
+                 BufferedReader reader = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8));
+                 BufferedWriter writer = Files.newBufferedWriter(tempBackupFile, StandardCharsets.UTF_8)) {
+
+                String line;
+                while ((line = reader.readLine()) != null) {
+                    // Skip DROP DATABASE and CREATE DATABASE commands - we're already connected to the DB
+                    // Also skip database connection commands as we're already connected
+                    if (line.trim().startsWith("DROP DATABASE") ||
+                        line.trim().startsWith("CREATE DATABASE") ||
+                        line.trim().startsWith("\\connect")) {
+                        System.err.println("Skipping incompatible command: " + line.substring(0, Math.min(50, line.length())));
+                        continue;
+                    }
+                    writer.write(line);
+                    writer.newLine();
                 }
             }
 

backend/src/main/resources/application.yml

@@ -21,8 +21,8 @@ spring:
   
   servlet:
     multipart:
-      max-file-size: 600MB  # Increased for large backup restore (425MB+)
-      max-request-size: 610MB  # Slightly higher to account for form data
+      max-file-size: 2048MB  # 2GB for large backup restore
+      max-request-size: 2100MB  # Slightly higher to account for form data
 
   jackson:
     serialization:
@@ -33,7 +33,7 @@ spring:
 server:
   port: 8080
   tomcat:
-    max-http-request-size: 650MB  # Tomcat HTTP request size limit (separate from multipart)
+    max-http-request-size: 2150MB  # Tomcat HTTP request size limit (2GB + overhead)
 
 storycove:
   app: