chore(ios): log share extension diagnostics on startup (temporary)

Call getShareExtensionDiagnostics() during the iOS shared-image startup
check and print the result to Xcode logs for share-target investigation.

src/main.capacitor.ts

@@ -359,6 +359,23 @@ async function checkForSharedImageAndNavigate() {
   }
 
   try {
+    // TEMPORARY SHARE TARGET DIAGNOSTICS
+    if (Capacitor.getPlatform() === "ios") {
+      try {
+        const diagnostics = await SharedImage.getShareExtensionDiagnostics();
+        logger.info(`[ShareTarget] Diagnostics ${JSON.stringify(diagnostics)}`);
+      } catch (diagnosticsError) {
+        logger.info(
+          `[ShareTarget] Diagnostics ${JSON.stringify({
+            error:
+              diagnosticsError instanceof Error
+                ? diagnosticsError.message
+                : String(diagnosticsError),
+          })}`,
+        );
+      }
+    }
+
     logger.debug("[Main] 🔍 Checking for shared image on app activation");
     const imageResult = await checkAndStoreNativeSharedImage();