Story 4.1 completed

src/foundry/FoundryAdapter.js

@@ -34,6 +34,9 @@ export class FoundryAdapter {
    */
   static SETTING_WEBRTC_MODE = 'webrtcMode';
 
+  /** Flag scope/namespace for module-specific user flags. */
+  static FLAG_SCOPE = 'video-view-manager';
+
   /**
    * Creates a FoundryAdapter. Side-effect-free — no hooks or listeners registered.
    * @param {object} [game] - The FoundryVTT `game` global. Optional for legacy/test
@@ -136,21 +139,29 @@ export class FoundryAdapter {
       /**
        * Convenience method to get a module-scoped flag.
        * @param {string} userId - The user ID to get the flag for.
-       * @param {string} key - The flag key (will be scoped to 'video-view-manager').
+       * @param {string} key - The flag key (will be scoped to FoundryAdapter.FLAG_SCOPE).
        * @returns {unknown|null} The flag value, or null if not found.
        */
       getFlagModule: (userId, key) => {
-        return this.getFlag(userId, 'video-view-manager', key);
+        const user = g.users?.get(userId);
+        if (user && typeof user.getFlag === 'function') {
+          return user.getFlag(FoundryAdapter.FLAG_SCOPE, key) ?? null;
+        }
+        return null;
       },
       /**
        * Convenience method to set a module-scoped flag.
        * @param {string} userId - The user ID to set the flag for.
-       * @param {string} key - The flag key (will be scoped to 'video-view-manager').
+       * @param {string} key - The flag key (will be scoped to FoundryAdapter.FLAG_SCOPE).
        * @param {unknown} value - The flag value to set.
        * @returns {Promise<unknown>|null} The promise from user.setFlag(), or null if user not found.
        */
       setFlagModule: (userId, key, value) => {
-        return this.setFlag(userId, 'video-view-manager', key, value);
+        const user = g.users?.get(userId);
+        if (user && typeof user.setFlag === 'function') {
+          return /** @type {Promise<unknown>} */ (user.setFlag(FoundryAdapter.FLAG_SCOPE, key, value));
+        }
+        return null;
       },
     };