diff --git a/apps/web/package.json b/apps/web/package.json
index d3cc23b..45d4755 100644
--- a/apps/web/package.json
+++ b/apps/web/package.json
@@ -15,6 +15,7 @@
     "class-variance-authority": "^0.7.1",
     "clsx": "^2.1.1",
     "dexie": "^4.4.2",
+    "dexie-react-hooks": "^4.4.0",
     "lucide-react": "^1.7.0",
     "react": "^19.2.4",
     "react-dom": "^19.2.4",
diff --git a/apps/web/src/pages/todo-shell-page.tsx b/apps/web/src/pages/todo-shell-page.tsx
index cb6878b..74e19c7 100644
--- a/apps/web/src/pages/todo-shell-page.tsx
+++ b/apps/web/src/pages/todo-shell-page.tsx
@@ -1,33 +1,381 @@
-import type { WebSession } from "@/services/session-storage";
+import { useEffect, useState } from "react";
+import { useLiveQuery } from "dexie-react-hooks";
+import { Button } from "@/components/ui/button";
+import { cn } from "@/lib/utils";
+import {
+  createLocalTask,
+  deleteLocalTask,
+  getLocalTaskById,
+  listLocalTasksByUser,
+  updateLocalTask
+} from "@/services/local-task-repo";
+import type { LocalTaskPriority, LocalTaskStatus } from "@/services/local-db";
+import type { WebSession } from "@/services/session-storage";
 
 type TodoShellPageProps = {
   session: WebSession | null;
 };
 
+type TaskFormState = {
+  title: string;
+  contentText: string;
+  priority: LocalTaskPriority;
+  status: LocalTaskStatus;
+  ddlInput: string;
+};
+
+const DEFAULT_FORM_STATE: TaskFormState = {
+  title: "",
+  contentText: "",
+  priority: "MEDIUM",
+  status: "TODO",
+  ddlInput: ""
+};
+
+const PRIORITY_OPTIONS: Array<{ value: LocalTaskPriority; label: string }> = [
+  { value: "LOW", label: "低" },
+  { value: "MEDIUM", label: "中" },
+  { value: "HIGH", label: "高" },
+  { value: "URGENT", label: "紧急" }
+];
+
+const STATUS_OPTIONS: Array<{ value: LocalTaskStatus; label: string }> = [
+  { value: "TODO", label: "待办" },
+  { value: "IN_PROGRESS", label: "进行中" },
+  { value: "DONE", label: "已完成" },
+  { value: "ARCHIVED", label: "已归档" }
+];
+
+function toDatetimeLocalValue(timestamp: number | null): string {
+  if (timestamp === null) {
+    return "";
+  }
+
+  const date = new Date(timestamp);
+  const timezoneOffset = date.getTimezoneOffset() * 60_000;
+  return new Date(timestamp - timezoneOffset).toISOString().slice(0, 16);
+}
+
+function parseDatetimeLocalValue(value: string): number | null {
+  if (!value) {
+    return null;
+  }
+
+  const parsed = new Date(value).getTime();
+  if (Number.isNaN(parsed)) {
+    return null;
+  }
+
+  return parsed;
+}
+
+function formatUpdatedAt(timestamp: number): string {
+  return new Date(timestamp).toLocaleString("zh-CN", {
+    month: "2-digit",
+    day: "2-digit",
+    hour: "2-digit",
+    minute: "2-digit"
+  });
+}
+
 export function TodoShellPage({ session }: TodoShellPageProps) {
-  return (
-    <div className="rounded-2xl border border-border bg-card/90 p-6 shadow-[0_24px_70px_-42px_hsl(var(--primary)/0.6)] backdrop-blur">
-      <h1 className="text-2xl font-semibold text-foreground">TodoList 工作台</h1>
-      <p className="mt-2 text-sm text-muted-foreground">
-        {session ? `当前登录邮箱：${session.user.email}` : "当前未建立登录会话，请先完成登录。"}
-      </p>
-      <div className="mt-6 grid gap-3 sm:grid-cols-3">
-        <div className="rounded-xl border border-border bg-muted/40 p-4">
-          <p className="text-xs text-muted-foreground">今日重点</p>
-          <p className="mt-2 text-lg font-semibold text-foreground">待接入</p>
-        </div>
-        <div className="rounded-xl border border-border bg-muted/40 p-4">
-          <p className="text-xs text-muted-foreground">临近截止</p>
-          <p className="mt-2 text-lg font-semibold text-foreground">待接入</p>
-        </div>
-        <div className="rounded-xl border border-border bg-muted/40 p-4">
-          <p className="text-xs text-muted-foreground">任务分析</p>
-          <p className="mt-2 text-lg font-semibold text-foreground">待接入</p>
-        </div>
+  const [selectedTaskId, setSelectedTaskId] = useState<string | null>(null);
+  const [formState, setFormState] = useState<TaskFormState>(DEFAULT_FORM_STATE);
+  const [saving, setSaving] = useState(false);
+  const [creating, setCreating] = useState(false);
+  const [deleting, setDeleting] = useState(false);
+  const [feedback, setFeedback] = useState<string | null>(null);
+
+  const userId = session?.user.id ?? "";
+
+  const tasks = useLiveQuery(async () => {
+    if (!userId) {
+      return [];
+    }
+
+    return listLocalTasksByUser(userId);
+  }, [userId]);
+
+  const selectedTask = useLiveQuery(async () => {
+    if (!selectedTaskId) {
+      return undefined;
+    }
+
+    return getLocalTaskById(selectedTaskId);
+  }, [selectedTaskId]);
+
+  useEffect(() => {
+    if (!tasks || tasks.length === 0) {
+      setSelectedTaskId(null);
+      return;
+    }
+
+    if (!selectedTaskId) {
+      setSelectedTaskId(tasks[0].id);
+      return;
+    }
+
+    const exists = tasks.some((task) => task.id === selectedTaskId);
+    if (!exists) {
+      setSelectedTaskId(tasks[0].id);
+    }
+  }, [selectedTaskId, tasks]);
+
+  useEffect(() => {
+    if (!selectedTask) {
+      setFormState(DEFAULT_FORM_STATE);
+      return;
+    }
+
+    setFormState({
+      title: selectedTask.title,
+      contentText: selectedTask.contentText ?? "",
+      priority: selectedTask.priority,
+      status: selectedTask.status,
+      ddlInput: toDatetimeLocalValue(selectedTask.ddlAt)
+    });
+  }, [selectedTask]);
+
+  if (!session) {
+    return (
+      <div className="rounded-2xl border border-border bg-card/90 p-6 text-sm text-muted-foreground">
+        当前未建立登录会话，请先完成登录。
       </div>
-      <p className="mt-4 text-xs text-muted-foreground">
-        当前为界面阶段，统计卡片将在任务数据接入后显示真实结果。
-      </p>
+    );
+  }
+
+  async function handleCreateTask(): Promise<void> {
+    if (creating || !userId) {
+      return;
+    }
+
+    try {
+      setCreating(true);
+      const createdTask = await createLocalTask({ userId });
+      setSelectedTaskId(createdTask.id);
+      setFeedback("已创建新任务。");
+    } finally {
+      setCreating(false);
+    }
+  }
+
+  async function handleSaveTask(): Promise<void> {
+    if (!selectedTaskId || saving) {
+      return;
+    }
+
+    try {
+      setSaving(true);
+      const updatedTask = await updateLocalTask({
+        id: selectedTaskId,
+        title: formState.title,
+        contentText: formState.contentText || null,
+        contentJson: null,
+        priority: formState.priority,
+        status: formState.status,
+        ddlAt: parseDatetimeLocalValue(formState.ddlInput)
+      });
+
+      if (!updatedTask) {
+        setFeedback("任务不存在或已被删除。");
+        return;
+      }
+
+      setFeedback("任务已保存。");
+    } finally {
+      setSaving(false);
+    }
+  }
+
+  async function handleDeleteTask(): Promise<void> {
+    if (!selectedTaskId || deleting) {
+      return;
+    }
+
+    try {
+      setDeleting(true);
+      const deleted = await deleteLocalTask(selectedTaskId);
+      if (!deleted) {
+        setFeedback("任务已不存在。");
+        return;
+      }
+
+      setFeedback("任务已删除。");
+    } finally {
+      setDeleting(false);
+    }
+  }
+
+  const taskList = tasks ?? [];
+
+  return (
+    <div className="grid gap-4 lg:grid-cols-[320px_minmax(0,1fr)]">
+      <section className="rounded-2xl border border-border bg-card/90 p-4 shadow-[0_24px_70px_-42px_hsl(var(--primary)/0.6)] backdrop-blur">
+        <div className="mb-3 flex items-center justify-between gap-2">
+          <h2 className="text-base font-semibold text-foreground">任务列表</h2>
+          <Button
+            type="button"
+            size="sm"
+            className="bg-primary text-primary-foreground hover:bg-primary/90"
+            onClick={handleCreateTask}
+            disabled={creating}
+          >
+            {creating ? "创建中..." : "新建任务"}
+          </Button>
+        </div>
+
+        {taskList.length === 0 ? (
+          <p className="rounded-xl border border-dashed border-border bg-muted/40 p-4 text-sm text-muted-foreground">
+            还没有任务，点击右上角“新建任务”。
+          </p>
+        ) : (
+          <div className="space-y-2">
+            {taskList.map((task) => {
+              const isActive = task.id === selectedTaskId;
+              return (
+                <button
+                  key={task.id}
+                  type="button"
+                  className={cn(
+                    "w-full rounded-xl border px-3 py-2 text-left transition-colors",
+                    isActive
+                      ? "border-primary/45 bg-primary/10"
+                      : "border-border bg-background hover:border-primary/25 hover:bg-primary/5"
+                  )}
+                  onClick={() => setSelectedTaskId(task.id)}
+                >
+                  <p className="truncate text-sm font-medium text-foreground">{task.title}</p>
+                  <p className="mt-1 text-xs text-muted-foreground">
+                    {task.status} · {task.priority} · 更新于 {formatUpdatedAt(task.updatedAt)}
+                  </p>
+                </button>
+              );
+            })}
+          </div>
+        )}
+      </section>
+
+      <section className="rounded-2xl border border-border bg-card/90 p-4 shadow-[0_24px_70px_-42px_hsl(var(--primary)/0.6)] backdrop-blur">
+        <div className="mb-4 flex flex-wrap items-center justify-between gap-2">
+          <h2 className="text-base font-semibold text-foreground">任务详情</h2>
+          <div className="flex items-center gap-2">
+            <Button
+              type="button"
+              variant="outline"
+              onClick={handleSaveTask}
+              disabled={!selectedTaskId || saving}
+            >
+              {saving ? "保存中..." : "保存"}
+            </Button>
+            <Button
+              type="button"
+              variant="outline"
+              className="border-destructive/50 text-destructive hover:bg-destructive/10"
+              onClick={handleDeleteTask}
+              disabled={!selectedTaskId || deleting}
+            >
+              {deleting ? "删除中..." : "删除"}
+            </Button>
+          </div>
+        </div>
+
+        {!selectedTaskId || !selectedTask ? (
+          <p className="rounded-xl border border-dashed border-border bg-muted/40 p-4 text-sm text-muted-foreground">
+            请选择一个任务进行编辑。
+          </p>
+        ) : (
+          <div className="space-y-3">
+            <label className="block text-sm text-muted-foreground">
+              任务标题
+              <input
+                className="mt-1 w-full rounded-lg border border-input bg-background px-3 py-2 text-sm text-foreground outline-none focus:border-primary focus:ring-2 focus:ring-ring/30"
+                value={formState.title}
+                onChange={(event) =>
+                  setFormState((previous) => ({
+                    ...previous,
+                    title: event.target.value
+                  }))
+                }
+                placeholder="请输入任务标题"
+              />
+            </label>
+
+            <div className="grid gap-3 sm:grid-cols-2">
+              <label className="block text-sm text-muted-foreground">
+                状态
+                <select
+                  className="mt-1 w-full rounded-lg border border-input bg-background px-3 py-2 text-sm text-foreground outline-none focus:border-primary focus:ring-2 focus:ring-ring/30"
+                  value={formState.status}
+                  onChange={(event) =>
+                    setFormState((previous) => ({
+                      ...previous,
+                      status: event.target.value as LocalTaskStatus
+                    }))
+                  }
+                >
+                  {STATUS_OPTIONS.map((option) => (
+                    <option key={option.value} value={option.value}>
+                      {option.label}
+                    </option>
+                  ))}
+                </select>
+              </label>
+
+              <label className="block text-sm text-muted-foreground">
+                优先级
+                <select
+                  className="mt-1 w-full rounded-lg border border-input bg-background px-3 py-2 text-sm text-foreground outline-none focus:border-primary focus:ring-2 focus:ring-ring/30"
+                  value={formState.priority}
+                  onChange={(event) =>
+                    setFormState((previous) => ({
+                      ...previous,
+                      priority: event.target.value as LocalTaskPriority
+                    }))
+                  }
+                >
+                  {PRIORITY_OPTIONS.map((option) => (
+                    <option key={option.value} value={option.value}>
+                      {option.label}
+                    </option>
+                  ))}
+                </select>
+              </label>
+            </div>
+
+            <label className="block text-sm text-muted-foreground">
+              截止时间
+              <input
+                type="datetime-local"
+                className="mt-1 w-full rounded-lg border border-input bg-background px-3 py-2 text-sm text-foreground outline-none focus:border-primary focus:ring-2 focus:ring-ring/30"
+                value={formState.ddlInput}
+                onChange={(event) =>
+                  setFormState((previous) => ({
+                    ...previous,
+                    ddlInput: event.target.value
+                  }))
+                }
+              />
+            </label>
+
+            <label className="block text-sm text-muted-foreground">
+              任务内容
+              <textarea
+                className="mt-1 min-h-40 w-full rounded-lg border border-input bg-background px-3 py-2 text-sm text-foreground outline-none focus:border-primary focus:ring-2 focus:ring-ring/30"
+                value={formState.contentText}
+                onChange={(event) =>
+                  setFormState((previous) => ({
+                    ...previous,
+                    contentText: event.target.value
+                  }))
+                }
+                placeholder="输入任务详情（当前为本地文本版，富文本将在后续迭代接入）"
+              />
+            </label>
+          </div>
+        )}
+
+        {feedback ? <p className="mt-3 text-xs text-primary">{feedback}</p> : null}
+      </section>
     </div>
   );
 }
diff --git a/apps/web/src/services/local-task-repo.ts b/apps/web/src/services/local-task-repo.ts
new file mode 100644
index 0000000..cd8edfd
--- /dev/null
+++ b/apps/web/src/services/local-task-repo.ts
@@ -0,0 +1,161 @@
+import {
+  localDb,
+  type LocalOpLogRecord,
+  type LocalTaskPriority,
+  type LocalTaskRecord,
+  type LocalTaskStatus,
+  type SyncActionType
+} from "@/services/local-db";
+
+const DEVICE_ID_STORAGE_KEY = "todolist.web.device-id";
+
+export type CreateLocalTaskInput = {
+  userId: string;
+  title?: string;
+};
+
+export type UpdateLocalTaskInput = {
+  id: string;
+  title?: string;
+  contentText?: string | null;
+  contentJson?: string | null;
+  priority?: LocalTaskPriority;
+  status?: LocalTaskStatus;
+  ddlAt?: number | null;
+};
+
+function resolveDeviceId(): string {
+  const savedDeviceId = window.localStorage.getItem(DEVICE_ID_STORAGE_KEY);
+  if (savedDeviceId) {
+    return savedDeviceId;
+  }
+
+  const nextDeviceId = crypto.randomUUID();
+  window.localStorage.setItem(DEVICE_ID_STORAGE_KEY, nextDeviceId);
+  return nextDeviceId;
+}
+
+function createOpLogRecord(
+  entityId: string,
+  action: SyncActionType,
+  payload: string
+): LocalOpLogRecord {
+  return {
+    opId: crypto.randomUUID(),
+    entityId,
+    entityType: "TASK",
+    action,
+    payload,
+    clientTs: Date.now(),
+    deviceId: resolveDeviceId(),
+    syncedAt: null,
+    retryCount: 0,
+    errorMessage: null
+  };
+}
+
+export async function listLocalTasksByUser(userId: string): Promise<LocalTaskRecord[]> {
+  const tasks = await localDb.tasks.where("userId").equals(userId).toArray();
+  return tasks
+    .filter((task) => task.deletedAt === null)
+    .sort((left, right) => right.updatedAt - left.updatedAt);
+}
+
+export async function getLocalTaskById(id: string): Promise<LocalTaskRecord | undefined> {
+  const task = await localDb.tasks.get(id);
+  if (!task || task.deletedAt !== null) {
+    return undefined;
+  }
+
+  return task;
+}
+
+export async function createLocalTask(input: CreateLocalTaskInput): Promise<LocalTaskRecord> {
+  const now = Date.now();
+  const task: LocalTaskRecord = {
+    id: crypto.randomUUID(),
+    userId: input.userId,
+    title: input.title?.trim() ? input.title.trim() : "未命名任务",
+    contentJson: null,
+    contentText: null,
+    priority: "MEDIUM",
+    status: "TODO",
+    ddlAt: null,
+    createdAt: now,
+    updatedAt: now,
+    deletedAt: null
+  };
+
+  const opLog = createOpLogRecord(task.id, "CREATE", JSON.stringify(task));
+
+  await localDb.transaction("rw", localDb.tasks, localDb.opLogs, async () => {
+    await localDb.tasks.add(task);
+    await localDb.opLogs.add(opLog);
+  });
+
+  return task;
+}
+
+export async function updateLocalTask(
+  input: UpdateLocalTaskInput
+): Promise<LocalTaskRecord | undefined> {
+  const currentTask = await getLocalTaskById(input.id);
+  if (!currentTask) {
+    return undefined;
+  }
+
+  const nextTask: LocalTaskRecord = {
+    ...currentTask,
+    title: input.title !== undefined ? input.title.trim() || "未命名任务" : currentTask.title,
+    contentText: input.contentText !== undefined ? input.contentText : currentTask.contentText,
+    contentJson: input.contentJson !== undefined ? input.contentJson : currentTask.contentJson,
+    priority: input.priority ?? currentTask.priority,
+    status: input.status ?? currentTask.status,
+    ddlAt: input.ddlAt !== undefined ? input.ddlAt : currentTask.ddlAt,
+    updatedAt: Date.now()
+  };
+
+  const opLog = createOpLogRecord(
+    nextTask.id,
+    "UPDATE",
+    JSON.stringify({
+      title: nextTask.title,
+      contentText: nextTask.contentText,
+      contentJson: nextTask.contentJson,
+      priority: nextTask.priority,
+      status: nextTask.status,
+      ddlAt: nextTask.ddlAt,
+      updatedAt: nextTask.updatedAt
+    })
+  );
+
+  await localDb.transaction("rw", localDb.tasks, localDb.opLogs, async () => {
+    await localDb.tasks.put(nextTask);
+    await localDb.opLogs.add(opLog);
+  });
+
+  return nextTask;
+}
+
+export async function deleteLocalTask(id: string): Promise<boolean> {
+  const currentTask = await getLocalTaskById(id);
+  if (!currentTask) {
+    return false;
+  }
+
+  const deletedAt = Date.now();
+  const nextTask: LocalTaskRecord = {
+    ...currentTask,
+    deletedAt,
+    updatedAt: deletedAt
+  };
+
+  const opLog = createOpLogRecord(id, "DELETE", JSON.stringify({ deletedAt }));
+
+  await localDb.transaction("rw", localDb.tasks, localDb.opLogs, async () => {
+    await localDb.tasks.put(nextTask);
+    await localDb.opLogs.add(opLog);
+  });
+
+  return true;
+}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 4b40b2d..5dc8b55 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -158,6 +158,9 @@ importers:
       dexie:
         specifier: ^4.4.2
         version: 4.4.2
+      dexie-react-hooks:
+        specifier: ^4.4.0
+        version: 4.4.0(dexie@4.4.2)(react@19.2.4)
       lucide-react:
         specifier: ^1.7.0
         version: 1.7.0(react@19.2.4)
@@ -3969,6 +3972,15 @@ packages:
       }
     engines: { node: ">=8" }
 
+  dexie-react-hooks@4.4.0:
+    resolution:
+      {
+        integrity: sha512-ObLXBS5+4BJU8vtSvBx6b9fY6zZYgniAtwxzjCHsUQadgbqYN6935X2/1TWw4Rf2N1aZV1io5/ziox4vKuxABA==
+      }
+    peerDependencies:
+      dexie: ">=4.2.0-alpha.1 <5.0.0"
+      react: ">=16"
+
   dexie@4.4.2:
     resolution:
       {
@@ -10867,6 +10879,11 @@ snapshots:
 
   detect-newline@3.1.0: {}
 
+  dexie-react-hooks@4.4.0(dexie@4.4.2)(react@19.2.4):
+    dependencies:
+      dexie: 4.4.2
+      react: 19.2.4
+
   dexie@4.4.2: {}
 
   dezalgo@1.0.4: