feat: add context-mode CodeGraph MCP integration

extensions/codegraph.ts

@@ -0,0 +1,23 @@
+import { createMcpAdapter } from "pi-mcp-adapter";
+
+/** Connect Pi to the CodeGraph MCP server provided by the host machine. */
+export default createMcpAdapter({
+	config: {
+		settings: {
+			disableProxyTool: true,
+			scriptMode: false,
+		},
+		mcpServers: {
+			codegraph: {
+				command: "codegraph",
+				args: ["serve", "--mcp"],
+				lifecycle: "keep-alive",
+				directTools: ["codegraph_explore"],
+				includeTools: ["codegraph_explore"],
+				toolPrefix: "none",
+				approveTools: false,
+				exposeResources: false,
+			},
+		},
+	},
+});