feat: add CLI Viewer Page with multi-pane layout and state management

- Implemented the CliViewerPage component for displaying CLI outputs in a configurable multi-pane layout.
- Integrated Zustand for state management, allowing for dynamic layout changes and tab management.
- Added layout options: single, split horizontal, split vertical, and 2x2 grid.
- Created viewerStore for managing layout, panes, and tabs, including actions for adding/removing panes and tabs.
- Added CoordinatorPage barrel export for easier imports.

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

@@ -17,13 +17,26 @@
   "sections": {
     "statistics": "Statistics",
     "recentSessions": "Recent Sessions",
+    "recentTasks": "Recent Tasks",
     "activeLoops": "Active Loops",
     "openIssues": "Open Issues",
-    "quickActions": "Quick Actions"
+    "quickActions": "Quick Actions",
+    "taskDetails": "Task Details"
+  },
+  "tabs": {
+    "allSessions": "All",
+    "allTasks": "All",
+    "workflow": "Workflow",
+    "liteTasks": "Lite Tasks",
+    "orchestrator": "Orchestrator",
+    "inProgress": "In Progress",
+    "planning": "Planning",
+    "completed": "Completed",
+    "paused": "Paused"
   },
   "widgets": {
     "workflowStatus": "Workflow Status",
-    "activity": "Activity Timeline",
+    "activity": "Activity Heatmap",
     "taskTypes": "Task Types"
   },
   "emptyState": {
@@ -31,6 +44,10 @@
       "title": "No Sessions Found",
       "message": "No workflow sessions match your current filter."
     },
+    "noTasks": {
+      "title": "No Tasks",
+      "message": "No tasks match your current filter."
+    },
     "noLoops": {
       "title": "No Active Loops",
       "message": "Start a new development loop to begin monitoring progress."
@@ -81,5 +98,8 @@
   "errors": {
     "loadFailed": "Failed to load dashboard data",
     "retry": "Retry"
+  },
+  "project": {
+    "features": "features"
   }
 }