feat: add task queue sidebar and resume functionality for CLI sessions

- Implemented task queue sidebar for managing active tasks with filtering options.
- Added functionality to close notification sidebar when opening task queue.
- Enhanced CLI history view to support resuming previous sessions with optional prompts.
- Updated CLI executor to handle resuming sessions for Codex, Gemini, and Qwen tools.
- Introduced utility functions for finding CLI history directories recursively.
- Improved task queue data management and rendering logic.

ccw/src/templates/dashboard-css/10-cli.css

@@ -469,6 +469,22 @@
   border-radius: 0.25rem;
 }
 
+.history-source-dir {
+  font-size: 0.625rem;
+  font-weight: 500;
+  padding: 0.1875rem 0.5rem;
+  background: hsl(var(--accent));
+  color: hsl(var(--accent-foreground));
+  border-radius: 0.25rem;
+  display: inline-flex;
+  align-items: center;
+  gap: 0.25rem;
+  max-width: 120px;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
+}
+
 .history-status {
   display: flex;
   align-items: center;
@@ -2028,3 +2044,85 @@
   color: hsl(var(--foreground));
   border-color: hsl(var(--primary) / 0.3);
 }
+
+/* ========================================
+ * Resume Session Styles
+ * ======================================== */
+
+/* Resume Badge */
+.history-resume-badge {
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  padding: 0.1875rem 0.375rem;
+  background: hsl(var(--primary) / 0.12);
+  color: hsl(var(--primary));
+  border-radius: 0.25rem;
+  font-size: 0.625rem;
+}
+
+/* Resume Item Highlight */
+.history-item-resume {
+  border-left: 3px solid hsl(var(--primary) / 0.5);
+}
+
+.history-item-resume:hover {
+  border-left-color: hsl(var(--primary));
+}
+
+/* History ID Display */
+.history-id {
+  font-family: 'SF Mono', 'Consolas', 'Liberation Mono', monospace;
+  font-size: 0.625rem;
+  color: hsl(var(--muted-foreground) / 0.7);
+}
+
+/* Resume Button */
+.btn-resume {
+  color: hsl(var(--primary));
+}
+
+.btn-resume:hover {
+  background: hsl(var(--primary) / 0.1);
+  color: hsl(var(--primary));
+}
+
+/* Resume Modal */
+.resume-modal p {
+  font-size: 0.875rem;
+  color: hsl(var(--muted-foreground));
+  margin-bottom: 1rem;
+}
+
+.resume-prompt-input {
+  width: 100%;
+  padding: 0.75rem;
+  border: 1px solid hsl(var(--border));
+  border-radius: 0.5rem;
+  background: hsl(var(--background));
+  color: hsl(var(--foreground));
+  font-size: 0.875rem;
+  font-family: inherit;
+  resize: vertical;
+  min-height: 80px;
+  transition: all 0.2s ease;
+}
+
+.resume-prompt-input:focus {
+  outline: none;
+  border-color: hsl(var(--primary));
+  box-shadow: 0 0 0 2px hsl(var(--primary) / 0.15);
+}
+
+.resume-prompt-input::placeholder {
+  color: hsl(var(--muted-foreground) / 0.7);
+}
+
+.resume-modal-actions {
+  display: flex;
+  justify-content: flex-end;
+  gap: 0.5rem;
+  margin-top: 1rem;
+  padding-top: 1rem;
+  border-top: 1px solid hsl(var(--border));
+}