Method subscribe

src/web-ui/src/tools/git/state/GitStateManager.ts:98–122

* Subscribe to repository state changes. * @returns Unsubscribe function.

(
    repositoryPath: string,
    callback: GitStateSubscriber,
    options: SubscribeOptions = {}
  )

   * @returns Unsubscribe function.
   */
  subscribe(
    repositoryPath: string,
    callback: GitStateSubscriber,
    options: SubscribeOptions = {}
  ): () => void {
    const normalizedPath = this.normalizePath(repositoryPath);

    if (!this.subscribers.has(normalizedPath)) {
      this.subscribers.set(normalizedPath, new Set());
    }

    const entry: SubscriberEntry = { callback, options };
    this.subscribers.get(normalizedPath)!.add(entry);

    if (options.immediate !== false) {
      const currentState = this.states.get(normalizedPath);
      if (currentState) {
        callback(currentState, null, ['basic', 'status', 'detailed']);
      }
    }

    return () => {
      this.subscribers.get(normalizedPath)?.delete(entry);
    };
  }

  /**
   * Get current state synchronously (cached).