Fix electron-builder config for unsigned CI builds

- Add electron-builder.ci.yml with identity: null for CI builds
- Use CI config file instead of CLI args (which don't work for null values)
- Keeps main electron-builder.yml unchanged for local signed builds

Author: aadivar

.github/workflows/build-release.yml

@@ -45,13 +45,9 @@ jobs:
         run: bun run build
 
       - name: Package for macOS (unsigned)
-        run: |
-          # Build without code signing for self-hosted releases
-          bun run package:mac -- \
-            --config.mac.identity=null \
-            --config.mac.notarize=null
+        run: bun run package:mac --config electron-builder.ci.yml
         env:
-          # Disable signing
+          # Disable code signing for self-hosted releases
           CSC_IDENTITY_AUTO_DISCOVERY: false
 
       - name: Generate update manifests

electron-builder.ci.yml

@@ -0,0 +1,5 @@
+# electron-builder config for CI builds (no code signing)
+# Used by GitHub Actions for self-hosted fork builds
+
+mac:
+  identity: null