ci: opt test-mcp-config-flag into enable_all_project_mcp_servers

mcp_config is not actually plumbed through base-action/action.yml, so
this job was only passing via .mcp.json in CLAUDE_WORKING_DIR. Keep it
green with the explicit opt-in and leave a TODO to wire mcp_config
properly in a follow-up.

:house: Remote-Dev: homespace

Author: OctavianGuzu

.github/workflows/test-mcp-servers.yml

@@ -110,6 +110,10 @@ jobs:
           prompt: "List all available tools"
           anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
           mcp_config: '{"mcpServers":{"test-server":{"type":"stdio","command":"bun","args":["simple-mcp-server.ts"],"env":{}}}}'
+          # TODO: mcp_config is not currently plumbed through base-action/action.yml,
+          # so this step only passes via .mcp.json in CLAUDE_WORKING_DIR. Remove this
+          # opt-in once mcp_config is wired up and the test exercises what it claims.
+          enable_all_project_mcp_servers: "true"
         env:
           # Change to test directory so bun can find the MCP server script
           CLAUDE_WORKING_DIR: ${{ github.workspace }}/base-action/test/mcp-test