feat: add CliStreamMonitor and related components for CLI output streaming

- Implemented CliStreamMonitor component for real-time CLI output monitoring with multi-execution support.
- Created JsonFormatter component for displaying JSON content in various formats (text, card, inline).
- Added utility functions for JSON detection and formatting in jsonUtils.ts.
- Introduced LogBlock utility functions for styling CLI output lines.
- Developed a new Collapsible component for better UI interactions.
- Created IssueHubPage for managing issues, queue, and discovery with tab navigation.

ccw/frontend/src/locales/en/cli-monitor.json

@@ -1,6 +1,6 @@
 {
   "title": "CLI Stream Monitor",
-  "searchPlaceholder": "Search output...",
+  "searchPlaceholder": "Search logs...",
   "noExecutions": "No active CLI executions",
   "noExecutionsHint": "Start a CLI command to see streaming output",
   "selectExecution": "Select an execution to view output",
@@ -14,5 +14,36 @@
   "autoScroll": "Auto-scroll",
   "scrollToBottom": "Scroll to bottom",
   "close": "Close",
-  "refresh": "Refresh"
+  "refresh": "Refresh",
+  "refreshing": "Refreshing...",
+  "live": "Live",
+  "executions": "{count} execution{count, plural, =1 {} other {s}}",
+  "active": "{count} active",
+  "filter": {
+    "all": "All",
+    "errors": "Errors",
+    "content": "Content",
+    "system": "System"
+  },
+  "view": {
+    "preview": "Preview",
+    "json": "JSON",
+    "raw": "Raw"
+  },
+  "viewMode": "View Mode",
+  "settings": "Settings",
+  "noMessages": "Waiting for messages...",
+  "noMatch": "No matching messages found",
+  "statusBar": "{total} executions | {active} active | {error} error | {lines} lines",
+  "copy": "Copy",
+  "copied": "Copied",
+  "rawJson": "Raw JSON",
+  "retry": "Retry",
+  "dismiss": "Dismiss",
+  "thinking": "Thinking...",
+  "streaming": "Streaming...",
+  "tokens": "Tokens: {count}",
+  "duration": "Duration: {value}",
+  "model": "Model: {name}",
+  "user": "User"
 }

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

@@ -89,6 +89,14 @@
     "title": "Discovery",
     "pageTitle": "Issue Discovery",
     "description": "View and manage issue discovery sessions",
+    "totalSessions": "Total Sessions",
+    "completedSessions": "Completed",
+    "runningSessions": "Running",
+    "totalFindings": "Findings",
+    "sessionList": "Session List",
+    "noSessions": "No sessions found",
+    "noSessionsDescription": "Start a new discovery session to begin",
+    "findingsDetail": "Findings Detail",
     "stats": {
       "totalSessions": "Total Sessions",
       "completed": "Completed",
@@ -135,5 +143,14 @@
       "export": "Export Findings",
       "refresh": "Refresh"
     }
+  },
+  "hub": {
+    "title": "Issue Hub",
+    "description": "Unified management for issues, queues, and discoveries",
+    "tabs": {
+      "issues": "Issues",
+      "queue": "Queue",
+      "discovery": "Discovery"
+    }
   }
 }

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

@@ -41,5 +41,42 @@
     "sessions": "Sessions",
     "detail": "Details",
     "settings": "Settings"
+  },
+  "cliMonitor": {
+    "title": "CLI Stream Monitor",
+    "live": "Live",
+    "executions": "executions",
+    "active": "active",
+    "errors": "errors",
+    "lines": "lines",
+    "refresh": "Refresh",
+    "refreshing": "Refreshing...",
+    "searchPlaceholder": "Search logs...",
+    "clear": "Clear",
+    "filterAll": "All",
+    "filterErrors": "Errors",
+    "filterContent": "Content",
+    "filterSystem": "System",
+    "viewPreview": "Preview",
+    "viewJson": "JSON",
+    "viewRaw": "Raw",
+    "settings": "Settings",
+    "noExecutions": "No active CLI executions",
+    "noExecutionsHint": "Start a CLI command to see streaming output",
+    "noMessages": "Waiting for messages...",
+    "noMatch": "No matching messages found",
+    "statusBar": "{total} executions | {active} active | {errors} error | {lines} lines",
+    "copy": "Copy",
+    "copied": "Copied!",
+    "rawJson": "Raw JSON",
+    "expand": "Expand",
+    "collapse": "Collapse",
+    "retry": "Retry",
+    "dismiss": "Dismiss",
+    "thinking": "Thinking...",
+    "completed": "Completed",
+    "tokens": "Tokens",
+    "duration": "Duration",
+    "model": "Model"
   }
 }