fix: update keychain handling in macOS release workflow for certificate import and verification

Author: prabhatsharma

.github/workflows/release.yml

@@ -96,7 +96,9 @@ jobs:
           # Import certificate
           echo $APPLE_CERTIFICATE | base64 --decode > certificate.p12
           security import certificate.p12 -P "$APPLE_CERTIFICATE_PASSWORD" -A -t cert -f pkcs12 -k $KEYCHAIN_PATH
-          security list-keychain -d user -s $KEYCHAIN_PATH
+
+          # Set the keychain as default search list
+          security list-keychain -d user -s $KEYCHAIN_PATH login.keychain
 
           # Allow codesign to access keychain
           security set-key-partition-list -S apple-tool:,apple:,codesign: -s -k "$KEYCHAIN_PASSWORD" $KEYCHAIN_PATH
@@ -106,6 +108,10 @@ jobs:
 
           echo "✅ Certificate imported successfully"
 
+          # Verify certificate is available
+          echo "📋 Available signing identities:"
+          security find-identity -v -p codesigning $KEYCHAIN_PATH
+
       - name: Build Tauri app (Universal Binary)
         env:
           APPLE_SIGNING_IDENTITY: ${{ secrets.APPLE_SIGNING_IDENTITY }}