fix(mcp): harden lsp cli resolution and doctor disable checks

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-openagent)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/cli/doctor/checks/tools-lsp.ts

@@ -1,6 +1,46 @@
+import { readFileSync } from "node:fs"
+import { join } from "node:path"
 import { createLspMcpConfig } from "../../../mcp/lsp"
+import { detectPluginConfigFile, getOpenCodeConfigDir, parseJsonc } from "../../../shared"
+
+type OmoConfigForDoctor = {
+  disabled_mcps?: string[]
+}
+
+const PROJECT_CONFIG_DIR = join(process.cwd(), ".opencode")
+
+function readOmoConfig(configDirectory: string): OmoConfigForDoctor | null {
+  const detected = detectPluginConfigFile(configDirectory)
+  if (detected.format === "none") {
+    return null
+  }
+
+  try {
+    const content = readFileSync(detected.path, "utf-8")
+    return parseJsonc<OmoConfigForDoctor>(content)
+  } catch {
+    return null
+  }
+}
+
+function isLspMcpDisabled(): boolean {
+  const userConfigDirectory = getOpenCodeConfigDir({ binary: "opencode" })
+  const userConfig = readOmoConfig(userConfigDirectory)
+  const projectConfig = readOmoConfig(PROJECT_CONFIG_DIR)
+
+  const disabledMcps = new Set<string>([
+    ...(userConfig?.disabled_mcps ?? []),
+    ...(projectConfig?.disabled_mcps ?? []),
+  ])
+
+  return disabledMcps.has("lsp")
+}
 
 export function getInstalledLspServers(): Array<{ id: string; extensions: string[] }> {
+  if (isLspMcpDisabled()) {
+    return []
+  }
+
   const lspMcpConfig = createLspMcpConfig()
 
   if (!lspMcpConfig) {