feat: add tests and implementation for issue discovery and queue pages

- Implemented `DiscoveryPage` with session management and findings display.
- Added tests for `DiscoveryPage` to ensure proper rendering and functionality.
- Created `QueuePage` for managing issue execution queues with stats and actions.
- Added tests for `QueuePage` to verify UI elements and translations.
- Introduced `useIssues` hooks for fetching and managing issue data.
- Added loading skeletons and error handling for better user experience.
- Created `vite-env.d.ts` for TypeScript support in Vite environment.

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

@@ -60,5 +60,80 @@
     "createdAt": "Created",
     "updatedAt": "Updated",
     "solutions": "{count, plural, one {solution} other {solutions}}"
+  },
+  "queue": {
+    "title": "Queue",
+    "pageTitle": "Issue Queue",
+    "description": "Manage issue execution queue with execution groups",
+    "stats": {
+      "totalItems": "Total Items",
+      "groups": "Groups",
+      "tasks": "Tasks",
+      "solutions": "Solutions"
+    },
+    "actions": {
+      "activate": "Activate",
+      "deactivate": "Deactivate",
+      "delete": "Delete",
+      "merge": "Merge",
+      "confirmDelete": "Are you sure you want to delete this queue?"
+    },
+    "executionGroup": "Execution Group",
+    "parallel": "Parallel",
+    "sequential": "Sequential",
+    "emptyState": "No queue data available",
+    "conflicts": "Conflicts detected in queue",
+    "noQueueData": "No queue data"
+  },
+  "discovery": {
+    "title": "Discovery",
+    "pageTitle": "Issue Discovery",
+    "description": "View and manage issue discovery sessions",
+    "stats": {
+      "totalSessions": "Total Sessions",
+      "completed": "Completed",
+      "running": "Running",
+      "findings": "Findings"
+    },
+    "session": {
+      "status": {
+        "running": "Running",
+        "completed": "Completed",
+        "failed": "Failed"
+      },
+      "findings": "{count} findings",
+      "startedAt": "Started"
+    },
+    "findings": {
+      "title": "Findings",
+      "filters": {
+        "severity": "Severity",
+        "type": "Type",
+        "search": "Search findings..."
+      },
+      "severity": {
+        "all": "All Severities",
+        "critical": "Critical",
+        "high": "High",
+        "medium": "Medium",
+        "low": "Low"
+      },
+      "type": {
+        "all": "All Types"
+      },
+      "noFindings": "No findings found",
+      "export": "Export"
+    },
+    "tabs": {
+      "findings": "Findings",
+      "progress": "Progress",
+      "info": "Session Info"
+    },
+    "emptyState": "No discovery sessions found",
+    "noSessionSelected": "Select a session to view findings",
+    "actions": {
+      "export": "Export Findings",
+      "refresh": "Refresh"
+    }
   }
 }

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

@@ -8,6 +8,8 @@
     "orchestrator": "Orchestrator",
     "loops": "Loop Monitor",
     "issues": "Issues",
+    "issueQueue": "Issue Queue",
+    "issueDiscovery": "Issue Discovery",
     "skills": "Skills",
     "commands": "Commands",
     "memory": "Memory",

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

@@ -1,5 +1,6 @@
 {
   "title": "Notifications",
+  "close": "Close notifications",
   "empty": "No notifications",
   "emptyHint": "Notifications will appear here",
   "markAllRead": "Mark Read",
@@ -14,5 +15,38 @@
   "daysAgo": "{0}d ago",
   "oneMinuteAgo": "1m ago",
   "oneHourAgo": "1h ago",
-  "oneDayAgo": "1d ago"
+  "oneDayAgo": "1d ago",
+  "sources": {
+    "system": "System",
+    "websocket": "WebSocket",
+    "cli": "CLI",
+    "workflow": "Workflow",
+    "user": "User",
+    "external": "External"
+  },
+  "priorities": {
+    "low": "Low",
+    "medium": "Medium",
+    "high": "High",
+    "critical": "Critical"
+  },
+  "attachments": {
+    "image": "Image",
+    "code": "Code",
+    "file": "File",
+    "data": "Data",
+    "download": "Download"
+  },
+  "actions": {
+    "loading": "Loading...",
+    "success": "Done",
+    "retry": "Retry"
+  },
+  "timestamps": {
+    "today": "Today",
+    "yesterday": "Yesterday",
+    "atTime": "at {0}"
+  },
+  "markAsRead": "Mark as read",
+  "markAsUnread": "Mark as unread"
 }

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

@@ -23,13 +23,19 @@
   "card": {
     "triggers": "Triggers",
     "category": "Category",
+    "source": "Source",
     "author": "Author",
     "version": "Version"
   },
   "filters": {
     "all": "All",
     "enabled": "Enabled",
-    "disabled": "Disabled"
+    "disabled": "Disabled",
+    "searchPlaceholder": "Search skills...",
+    "allSources": "All Sources"
+  },
+  "stats": {
+    "totalSkills": "Total Skills"
   },
   "view": {
     "grid": "Grid View",

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

@@ -6,12 +6,12 @@
     "current": "Current",
     "browse": "Select Folder...",
     "removePath": "Remove from recent",
-    "ariaLabel": "Workspace selector"
-  },
-  "dialog": {
-    "title": "Select Project Folder",
-    "placeholder": "Enter project path...",
-    "help": "The path to your project directory"
+    "ariaLabel": "Workspace selector",
+    "dialog": {
+      "title": "Select Project Folder",
+      "placeholder": "Enter project path...",
+      "help": "The path to your project directory"
+    }
   },
   "actions": {
     "switch": "Switch Workspace",