fix(mcp): use SDK protocol version in debug (#32243)

packages/opencode/src/cli/cmd/mcp.ts

@@ -5,6 +5,7 @@ import { Cause } from "effect"
 import { Client } from "@modelcontextprotocol/sdk/client/index.js"
 import { StreamableHTTPClientTransport } from "@modelcontextprotocol/sdk/client/streamableHttp.js"
 import { UnauthorizedError } from "@modelcontextprotocol/sdk/client/auth.js"
+import { LATEST_PROTOCOL_VERSION } from "@modelcontextprotocol/sdk/types.js"
 import * as prompts from "@clack/prompts"
 import { UI } from "../ui"
 import { MCP } from "../../mcp"
@@ -752,7 +753,7 @@ export const McpDebugCommand = effectCmd({
             jsonrpc: "2.0",
             method: "initialize",
             params: {
-              protocolVersion: "2024-11-05",
+              protocolVersion: LATEST_PROTOCOL_VERSION,
               capabilities: {},
               clientInfo: { name: "opencode-debug", version: InstallationVersion },
             },