1 files changed, 84 insertions, 0 deletions
diff --git a/apps/mobile/stores/taskStore.ts b/apps/mobile/stores/taskStore.ts
new file mode 100644
index 0000000..1a08a45
--- /dev/null
+++ b/apps/mobile/stores/taskStore.ts
@@ -0,0 +1,84 @@
+import { create } from 'zustand';
+import type { TaskSummary, TaskOutputEntry } from '../lib/api';
+
+interface TaskState {
+  // Data
+  tasks: TaskSummary[];
+  selectedTaskId: string | null;
+  taskOutputs: Record<string, TaskOutputEntry[]>;
+
+  // Actions
+  setTasks: (tasks: TaskSummary[]) => void;
+  updateTask: (taskId: string, update: Partial<TaskSummary>) => void;
+  selectTask: (taskId: string | null) => void;
+  appendOutput: (taskId: string, output: TaskOutputEntry) => void;
+  setTaskOutputs: (taskId: string, outputs: TaskOutputEntry[]) => void;
+  clearTaskOutputs: (taskId: string) => void;
+}
+
+export const useTaskStore = create<TaskState>((set) => ({
+  // Initial state
+  tasks: [],
+  selectedTaskId: null,
+  taskOutputs: {},
+
+  // Actions
+  setTasks: (tasks) =>
+    set({ tasks }),
+
+  updateTask: (taskId, update) =>
+    set((state) => ({
+      tasks: state.tasks.map((task) =>
+        task.id === taskId ? { ...task, ...update } : task
+      ),
+    })),
+
+  selectTask: (taskId) =>
+    set({ selectedTaskId: taskId }),
+
+  appendOutput: (taskId, output) =>
+    set((state) => {
+      const existing = state.taskOutputs[taskId] ?? [];
+      // Avoid duplicates by checking ID
+      if (existing.some((o) => o.id === output.id)) {
+        return state;
+      }
+      return {
+        taskOutputs: {
+          ...state.taskOutputs,
+          [taskId]: [...existing, output],
+        },
+      };
+    }),
+
+  setTaskOutputs: (taskId, outputs) =>
+    set((state) => ({
+      taskOutputs: {
+        ...state.taskOutputs,
+        [taskId]: outputs,
+      },
+    })),
+
+  clearTaskOutputs: (taskId) =>
+    set((state) => {
+      const { [taskId]: _, ...rest } = state.taskOutputs;
+      return { taskOutputs: rest };
+    }),
+}));
+
+// Selectors for common use cases
+export const selectSelectedTask = (state: TaskState) =>
+  state.tasks.find((t) => t.id === state.selectedTaskId);
+
+export const selectRunningTasks = (state: TaskState) =>
+  state.tasks.filter((t) =>
+    ['running', 'initializing', 'starting'].includes(t.status)
+  );
+
+export const selectPendingTasks = (state: TaskState) =>
+  state.tasks.filter((t) => t.status === 'pending');
+
+export const selectCompletedTasks = (state: TaskState) =>
+  state.tasks.filter((t) =>
+    ['done', 'failed', 'merged'].includes(t.status)
+  );