feat(webui): add hot-reload account management with OAuth support

src/account-manager/index.js

@@ -71,6 +71,16 @@ export class AccountManager {
         this.#initialized = true;
     }
 
+    /**
+     * Reload accounts from disk (force re-initialization)
+     * Useful when accounts.json is modified externally (e.g., by WebUI)
+     */
+    async reload() {
+        this.#initialized = false;
+        await this.initialize();
+        logger.info('[AccountManager] Accounts reloaded from disk');
+    }
+
     /**
      * Get the number of accounts
      * @returns {number} Number of configured accounts
@@ -278,6 +288,8 @@ export class AccountManager {
             accounts: this.#accounts.map(a => ({
                 email: a.email,
                 source: a.source,
+                enabled: a.enabled !== false,  // Default to true if undefined
+                projectId: a.projectId || null,
                 modelRateLimits: a.modelRateLimits || {},
                 isInvalid: a.isInvalid || false,
                 invalidReason: a.invalidReason || null,