Function openFile

src/services/lsp/LSPServerManager.ts:270–310

(filePath: string, content: string)

  }

  async function openFile(filePath: string, content: string): Promise<void> {
    const server = await ensureServerStarted(filePath)
    if (!server) return

    const fileUri = pathToFileURL(path.resolve(filePath)).href

    // Skip if already opened on this server
    if (openedFiles.get(fileUri) === server.name) {
      logForDebugging(
        `LSP: File already open, skipping didOpen for ${filePath}`,
      )
      return
    }

    // Get language ID from server's extensionToLanguage mapping
    const ext = path.extname(filePath).toLowerCase()
    const languageId = server.config.extensionToLanguage[ext] || 'plaintext'

    try {
      await server.sendNotification('textDocument/didOpen', {
        textDocument: {
          uri: fileUri,
          languageId,
          version: 1,
          text: content,
        },
      })
      // Track that this file is now open on this server
      openedFiles.set(fileUri, server.name)
      logForDebugging(
        `LSP: Sent didOpen for ${filePath} (languageId: ${languageId})`,
      )
    } catch (error) {
      const err = new Error(
        `Failed to sync file open ${filePath}: ${errorMessage(error)}`,
      )
      logError(err)
      // Re-throw to propagate error to caller
      throw err
    }
  }

  async function changeFile(filePath: string, content: string): Promise<void> {
    const server = getServerForFile(filePath)