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) {

src/mcp/lsp.ts

@@ -13,21 +13,35 @@ export type LocalMcpConfig = {
   environment?: Record<string, string>
 }
 
+function addCliPathCandidates(startDirectory: string, maxParentDepth: number, target: Set<string>): void {
+  let currentDirectory = startDirectory
+
+  for (let depth = 0; depth <= maxParentDepth; depth += 1) {
+    target.add(resolve(currentDirectory, SUBMODULE_REL, CLI_REL))
+
+    const parentDirectory = resolve(currentDirectory, "..")
+    if (parentDirectory === currentDirectory) {
+      return
+    }
+
+    currentDirectory = parentDirectory
+  }
+}
+
 function resolveLspCliPathCandidates(): string[] {
-  const candidates: string[] = []
+  const candidates = new Set<string>()
 
   try {
     const currentFilePath = fileURLToPath(import.meta.url)
-    candidates.push(resolve(currentFilePath, "..", "..", "..", SUBMODULE_REL, CLI_REL))
-    candidates.push(resolve(currentFilePath, "..", "..", SUBMODULE_REL, CLI_REL))
-    candidates.push(resolve(currentFilePath, "..", SUBMODULE_REL, CLI_REL))
+    const currentDirectory = resolve(currentFilePath, "..")
+    addCliPathCandidates(currentDirectory, 6, candidates)
   } catch {
-    // ignore and fall through to cwd-based candidate
+    // ignore and fall through to cwd-based candidates
   }
 
-  candidates.push(resolve(process.cwd(), SUBMODULE_REL, CLI_REL))
+  addCliPathCandidates(process.cwd(), 4, candidates)
 
-  return candidates
+  return [...candidates]
 }
 
 export function createLspMcpConfig(): LocalMcpConfig | null {