CI: disable macOS Godot headless tests (plugin doesn't load)

macOS headless Godot doesn't load editor plugins on CI runners.
Handler behavior is platform-independent -- covered by Linux (Docker)
and Windows (setup-godot). macOS Python tests still run in Tier 1.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: dsarno

.github/workflows/ci.yml

@@ -66,43 +66,9 @@ jobs:
       - name: Run handler tests
         run: bash script/ci-godot-tests
 
-  godot-tests-macos:
-    name: Godot tests / macOS
-    runs-on: macos-latest
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - uses: chickensoft-games/setup-godot@v2
-        with:
-          version: 4.6.2
-          use-dotnet: false
-
-      - name: Set up Python
-        uses: actions/setup-python@v5
-        with:
-          python-version: "3.13"
-
-      - name: Install dependencies
-        run: pip install -e ".[dev]"
-
-      - name: Start MCP server
-        run: |
-          python -m godot_ai --transport streamable-http --port 8000 &
-          for i in $(seq 1 30); do
-            curl -s -o /dev/null http://127.0.0.1:8000/mcp -X POST \
-              -H "Content-Type: application/json" -H "Accept: application/json, text/event-stream" \
-              -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2025-03-26","capabilities":{},"clientInfo":{"name":"ci","version":"1.0"}}}' && echo "Server ready" && break
-            sleep 1
-          done
-
-      - name: Start Godot editor (headless)
-        run: |
-          timeout 30 godot --headless --path test_project --import || true
-          timeout 120 godot --headless --path test_project --editor &
-
-      - name: Run handler tests
-        run: bash script/ci-godot-tests
+  # macOS headless Godot doesn't load editor plugins reliably on CI runners.
+  # GDScript handler behavior is platform-independent — covered by Linux + Windows.
+  # macOS Python tests (Tier 1) still run above.
 
   godot-tests-windows:
     name: Godot tests / Windows