feat: update A2UIButton and translations for navigation; enhance session detail fetching and task handling

ccw/frontend/src/components/layout/A2UIButton.tsx

@@ -38,12 +38,12 @@ export function A2UIButton({ className, compact = false }: A2UIButtonProps) {
         'gap-2 bg-primary text-primary-foreground hover:bg-primary/90',
         className
       )}
-      title={formatMessage({ id: 'toolbar.a2ui.quickAction', defaultMessage: 'A2UI Quick Action' })}
+      title={formatMessage({ id: 'navigation.toolbar.a2ui.quickAction', defaultMessage: 'A2UI Quick Action' })}
     >
       <MessageSquare className="h-4 w-4" />
       {!compact && (
         <span className="hidden sm:inline">
-          {formatMessage({ id: 'toolbar.a2ui.button', defaultMessage: 'A2UI' })}
+          {formatMessage({ id: 'navigation.toolbar.a2ui.button', defaultMessage: 'A2UI' })}
         </span>
       )}
     </Button>

ccw/frontend/src/lib/api.ts

@@ -1759,8 +1759,15 @@ export async function fetchSessionDetail(sessionId: string, projectPath?: string
   // Backend returns raw context-package.json content, frontend expects it nested under 'context' field
   const transformedContext = detailData.context ? { context: detailData.context } : undefined;
 
+  // Step 5: Merge tasks from detailData into session object
+  // Backend returns tasks at root level, frontend expects them on session object
+  const sessionWithTasks = {
+    ...session,
+    tasks: detailData.tasks || session.tasks || [],
+  };
+
   return {
-    session,
+    session: sessionWithTasks,
     context: transformedContext,
     summary: finalSummary,
     summaries: detailData.summaries,

ccw/frontend/src/locales/en/common.json

@@ -182,6 +182,8 @@
   "labels": {
     "progress": "Progress"
   },
+  "fullscreen": "Fullscreen",
+  "exitFullscreen": "Exit Fullscreen",
   "dialog": {
     "createSession": "Create New Session",
     "createSessionDesc": "Create a new workflow session to track your development tasks.",

ccw/frontend/src/locales/zh/common.json

@@ -182,6 +182,8 @@
   "labels": {
     "progress": "进度"
   },
+  "fullscreen": "全屏",
+  "exitFullscreen": "退出全屏",
   "dialog": {
     "createSession": "创建新会话",
     "createSessionDesc": "创建新的工作流会话以跟踪您的开发任务。",

ccw/frontend/src/pages/session-detail/TaskListTab.tsx

@@ -221,7 +221,7 @@ export function TaskListTab({ session, onTaskClick }: TaskListTabProps) {
 
             return (
               <Card
-                key={task.task_id || index}
+                key={`${task.task_id}-${index}`}
                 className={`hover:shadow-sm transition-shadow ${onTaskClick ? 'cursor-pointer hover:shadow-md' : ''}`}
                 onClick={() => onTaskClick?.(task as TaskData)}
               >

ccw/src/config/remote-notification-config.ts

@@ -113,7 +113,7 @@ export function hasEnabledPlatform(config: RemoteNotificationConfig): boolean {
 
   const { discord, telegram, webhook } = config.platforms;
 
-  return (
+  return Boolean(
     (discord?.enabled && !!discord.webhookUrl) ||
     (telegram?.enabled && !!telegram.botToken && !!telegram.chatId) ||
     (webhook?.enabled && !!webhook.url)

ccw/src/types/util.ts

@@ -40,7 +40,7 @@ export type ReturnType<T> = T extends (...args: unknown[]) => infer R ? R : neve
  * Deep merge utility for configuration updates
  * Recursively merges source into target, preserving nested objects
  */
-export function deepMerge<T extends Record<string, unknown>>(
+export function deepMerge<T extends object>(
   target: T,
   source: DeepPartial<T>
 ): T {
@@ -48,8 +48,8 @@ export function deepMerge<T extends Record<string, unknown>>(
 
   for (const key in source) {
     if (Object.prototype.hasOwnProperty.call(source, key)) {
-      const sourceValue = source[key];
+      const sourceValue = source[key as keyof typeof source];
-      const targetValue = target[key];
+      const targetValue = target[key as unknown as keyof T];
 
       if (
         sourceValue !== undefined &&
@@ -62,8 +62,8 @@ export function deepMerge<T extends Record<string, unknown>>(
         !Array.isArray(targetValue)
       ) {
         (result as Record<string, unknown>)[key] = deepMerge(
-          targetValue as Record<string, unknown>,
+          targetValue as object,
-          sourceValue as DeepPartial<Record<string, unknown>>
+          sourceValue as DeepPartial<object>
         );
       } else if (sourceValue !== undefined) {
         (result as Record<string, unknown>)[key] = sourceValue;