feat(cli): Add CLI Manager with status and history components

- Implemented CLI History Component to display execution history with filtering and search capabilities.
- Created CLI Status Component to show availability of CLI tools and allow setting a default tool.
- Enhanced notifications to handle CLI execution events.
- Integrated CLI Manager view to combine status and history panels for better user experience.
- Developed CLI Executor Tool for unified execution of external CLI tools (Gemini, Qwen, Codex) with streaming output.
- Added functionality to save and retrieve CLI execution history.
- Updated dashboard HTML to include navigation for CLI tools management.

ccw/src/templates/dashboard.html

@@ -398,6 +398,21 @@
               </li>
             </ul>
           </div>
+
+          <!-- CLI Tools Section -->
+          <div class="mb-2" id="cliToolsNav">
+            <div class="flex items-center px-4 py-2 text-xs font-semibold text-muted-foreground uppercase tracking-wide">
+              <i data-lucide="terminal" class="nav-section-icon mr-2"></i>
+              <span class="nav-section-title">CLI Tools</span>
+            </div>
+            <ul class="space-y-0.5">
+              <li class="nav-item flex items-center gap-2 mx-2 px-3 py-2.5 text-sm text-muted-foreground hover:bg-hover hover:text-foreground rounded cursor-pointer transition-colors" data-view="cli-manager" data-tooltip="CLI Tools Management">
+                <i data-lucide="square-terminal" class="nav-icon"></i>
+                <span class="nav-text flex-1">Manage</span>
+                <span class="badge px-2 py-0.5 text-xs font-semibold rounded-full bg-hover text-muted-foreground" id="badgeCliTools">0/3</span>
+              </li>
+            </ul>
+          </div>
         </nav>
 
         <!-- Sidebar Footer -->