feat: enhanced create modal, project/assignee badges, status filter, keyboard shortcuts

- CreateTaskModal: project selector, due date picker, source in 'more options'
- TaskCard: project name badge (📁) and assignee badge (👤)
- QueuePage: status filter dropdown, clear filters button, filter count indicator
- QueuePage: Ctrl+N keyboard shortcut to create task
- DashboardPage: project/assignee badges on active task cards
- Search now also matches assignee name

frontend/src/components/TaskCard.tsx

@@ -53,6 +53,7 @@ interface TaskCardProps {
   isLast?: boolean;
   isActive?: boolean;
   onClick?: () => void;
+  projectName?: string;
 }
 
 export function TaskCard({
@@ -64,6 +65,7 @@ export function TaskCard({
   isLast,
   isActive,
   onClick,
+  projectName,
 }: TaskCardProps) {
   const actions = statusActions[task.status] || [];
   const noteCount = task.progressNotes?.length || 0;
@@ -110,6 +112,18 @@ export function TaskCard({
             <span className={`text-[10px] sm:text-xs px-1.5 sm:px-2 py-0.5 rounded-full font-medium ${sourceColors[task.source] || sourceColors.other}`}>
               {task.source}
             </span>
+            {/* Project badge */}
+            {projectName && (
+              <span className="text-[10px] sm:text-xs px-1.5 sm:px-2 py-0.5 rounded-full font-medium bg-sky-100 text-sky-700">
+                📁 {projectName}
+              </span>
+            )}
+            {/* Assignee badge */}
+            {task.assigneeName && (
+              <span className="text-[10px] sm:text-xs px-1.5 sm:px-2 py-0.5 rounded-full font-medium bg-emerald-100 text-emerald-700">
+                👤 {task.assigneeName}
+              </span>
+            )}
             <span className="text-[10px] sm:text-xs text-gray-400">
               {timeAgo(task.createdAt)}
             </span>