Method delete

src/browser/stores/MapStore.ts:136–155

* Delete a key (clears version and all cached values).

(key: K)

   * Delete a key (clears version and all cached values).
   */
  delete(key: K): void {
    if (!this.versions.has(key)) return;

    // Clear all cached values for this key
    const keyStr = String(key);
    for (const cacheKey of Array.from(this.cache.keys())) {
      if (cacheKey.startsWith(`${keyStr}:`)) {
        this.cache.delete(cacheKey);
      }
    }

    this.versions.delete(key);

    // Notify
    for (const l of this.global) l();
    const ks = this.perKey.get(key);
    if (ks) {
      for (const l of ks) l();
    }
  }

  /**
   * Clear all data.