fix: improve image extension handling and error reporting in upload functions

.gitea/workflows/ci.yml

@@ -52,5 +52,5 @@ jobs:
       uses: actions/upload-artifact@v4
       with:
         name: android-preview-build.zip
-        path: mobile/app-build/*
+        path: mobile/app-build
         if-no-files-found: error

functions/control/main.py

@@ -124,11 +124,16 @@ def main(args):
                 if not image_b64:
                     continue
                 image_bytes = base64.b64decode(image_b64)
-                file_name = f"tv-rotator-{ts}-{idx}.{ext}"
-                MINIO_CLIENT.put_object(
-                    BUCKET, file_name, io.BytesIO(image_bytes), len(image_bytes),
-                    content_type=f"image/{ext}",
-                )
+                # Normalise ext: strip any URI junk, fall back to jpg
+                safe_ext = ext if ext and len(ext) <= 5 and ext.isalnum() else "jpg"
+                file_name = f"tv-rotator-{ts}-{idx}.{safe_ext}"
+                try:
+                    MINIO_CLIENT.put_object(
+                        BUCKET, file_name, io.BytesIO(image_bytes), len(image_bytes),
+                        content_type=f"image/{safe_ext}",
+                    )
+                except Exception as e:
+                    return {"status": "error", "message": f"MinIO upload failed: {e}"}
                 public_url = f"https://content2.reversed.dev/{BUCKET}/{file_name}"
                 urls.append(public_url)
             return {"status": "success", "urls": urls}

mobile/src/pages/datacards.tsx

@@ -776,7 +776,7 @@ function ImageRotatorFields({ form, onChange, onUrlsChange }: ImageRotatorFields
     if (result.canceled) return;
     const asset = result.assets[0];
     if (!asset.base64) { Alert.alert("Error", "Could not read image data."); return; }
-    const ext = asset.uri.split(".").pop()?.toLowerCase() ?? "jpg";
+    const ext = (asset.mimeType?.split("/")[1] ?? asset.uri.split(".").pop() ?? "jpg").toLowerCase();
     setUploading(true);
     try {
       const res = await fetch(`${BASE_URL}/push_upload_images`, {

mobile/src/pages/settings.tsx

@@ -63,7 +63,7 @@ export function SettingsPage() {
       return;
     }
 
-    const ext = (asset.uri.split(".").pop() ?? "jpg").toLowerCase();
+    const ext = (asset.mimeType?.split("/")[1] ?? asset.uri.split(".").pop() ?? "jpg").toLowerCase();
     setPendingUri(asset.uri);
     setPendingBase64(asset.base64 ?? null);
     setPendingExt(ext);