Method recordFileState

src/node/services/agentSession.ts:5508–5510

* Record file state for change detection. * Called by tools (e.g., propose_plan) after reading/writing files.

(filePath: string, state: FileState)

   * Called by tools (e.g., propose_plan) after reading/writing files.
   */
  async recordFileState(filePath: string, state: FileState): Promise<void> {
    await this.fileChangeTracker.record(filePath, state);
  }

  /** Get the count of tracked files for UI display. */
  getTrackedFilesCount(): number {