fix: copy patches to dockerfile

Caddyfile

@@ -6,12 +6,6 @@
 :80 {
   encode zstd gzip
 
-  header {
-    X-Frame-Options "DENY"
-    X-Content-Type-Options "nosniff"
-    Referrer-Policy "strict-origin-when-cross-origin"
-  }
-
   handle /mcp {
     reverse_proxy 127.0.0.1:3001
   }

src/client/components/EditorCanvas.tsx

@@ -28,8 +28,7 @@ function sceneFromEditor(
   files: BinaryFiles,
 ): ScenePayload {
   return {
-    // Excalidraw passes immutable arrays, avoid copying it on every onChange event
+    elements: [...elements],
-    elements: elements as unknown[],
     appState: appState as unknown as Record<string, unknown>,
     files: files as unknown as Record<string, unknown>,
   };

src/client/hooks/useThemeTokenSync.ts

@@ -33,20 +33,10 @@ export function useThemeTokenSync(
       return;
     }
 
-    // Read all tokens first to avoid layout thrashing
     const computedStyles = window.getComputedStyle(excalidrawRoot);
-    const updates: Array<[string, string]> = [];
-
     for (const [sourceToken, targetToken] of EXCALIDRAW_THEME_TOKEN_MAP) {
       const value = computedStyles.getPropertyValue(sourceToken).trim();
       if (value) {
-        updates.push([targetToken, value]);
-      }
-    }
-
-    // Write in a separate pass, skipping unchanged values
-    for (const [targetToken, value] of updates) {
-      if (appShell.style.getPropertyValue(targetToken) !== value) {
         appShell.style.setProperty(targetToken, value);
       }
     }