Fix: Don't persist task data to localStorage, always load from server

data/tasks.json

@@ -449,40 +449,14 @@
     },
     {
       "id": "15",
+      "priority": "urgent",
       "title": "Add Sprint functionality to Gantt Board",
-      "description": "Implement sprint-based project management similar to JIRA. Add sprint planning, sprint boards with To Do/In Progress/Done columns, backlog grooming with sprint assignments, and sprint workflows. Reference comps in /comps/ directory showing: 01-statuses.png (sprint workflow), 02-workflow.png (issue flow), 03-gannt-board.png (sprint board with swimlanes), 04-backlog-screen.png (sprint planning). This will allow organizing tasks into 2-week sprints with clear status tracking.",
-      "type": "task",
-      "status": "in-progress",
-      "priority": "high",
       "projectId": "2",
       "sprintId": "sprint-1",
-      "createdAt": "2026-02-19T13:45:00.000Z",
-      "updatedAt": "2026-02-19T13:45:00.000Z",
-      "comments": [
-        {
-          "id": "c70",
-          "text": "User provided comps showing JIRA-style sprint board with swimlanes and workflow",
-          "createdAt": "2026-02-19T13:45:00.000Z",
-          "author": "assistant"
-        },
-        {
-          "id": "c71",
-          "text": "Features needed: Sprint planning, sprint boards, backlog grooming, sprint assignments",
-          "createdAt": "2026-02-19T13:45:00.000Z",
-          "author": "assistant"
-        }
-      ],
-      "tags": [
-        "sprint",
-        "kanban",
-        "ui",
-        "jira",
-        "workflow",
-        "backlog"
-      ]
+      "updatedAt": "2026-02-20T01:52:57.259Z"
     }
   ],
-  "lastUpdated": 1771552039142,
+  "lastUpdated": 1771552377259,
   "sprints": [
     {
       "name": "Sprint 1",

src/stores/useTaskStore.ts

@@ -598,6 +598,12 @@ export const useTaskStore = create<TaskStore>()(
     }),
     {
       name: 'task-store',
+      partialize: (state) => ({
+        // Only persist UI state, not data
+        selectedProjectId: state.selectedProjectId,
+        selectedTaskId: state.selectedTaskId,
+        selectedSprintId: state.selectedSprintId,
+      }),
     }
   )
 )