refactor: 项目中心合并进任务中心（导航 8→7，分组/平铺双视图）

manager 默认按项目分组（项目区块含总群成员/任务群关联/推送，末尾未分组任务），
可切换平铺；普通用户仅平铺列表无管理入口。任务卡抽为 TaskRowCard 双视图共用，
项目编辑/删除弹窗上提为受控组件，详情内任务表与区块任务卡去重（单任务推送
改走推送弹层任务下拉）。

app/admin-app.tsx

@@ -202,7 +202,6 @@ type FeishuPreview = {
 
 type NavKey =
   | "overview"
-  | "projects"
   | "tasks"
   | "resources"
   | "partners"
@@ -212,7 +211,6 @@ type NavKey =
 
 const NAV_ITEMS: Array<{ key: NavKey; label: string; mark: string }> = [
   { key: "overview", label: "工作台", mark: "⌂" },
-  { key: "projects", label: "项目中心", mark: "▦" },
   { key: "tasks", label: "任务中心", mark: "▤" },
   { key: "resources", label: "KOC资源", mark: "◎" },
   { key: "partners", label: "合作方", mark: "Ⓒ" },
@@ -559,7 +557,6 @@ export default function Home({ currentUser }: { currentUser: AuthUser }) {
   const visibleNavItems = NAV_ITEMS.filter((item) => {
     if (item.key === "resources" && currentUser.role === "user") return false;
     if (item.key === "users" && !isManager) return false;
-    if (item.key === "projects" && !isManager) return false;
     if (item.key === "reports" && !isManager) return false;
     return true;
   });
@@ -668,7 +665,6 @@ export default function Home({ currentUser }: { currentUser: AuthUser }) {
   const navigate = (key: NavKey) => {
     if (key === "resources" && currentUser.role === "user") return;
     if (key === "users" && !isManager) return;
-    if (key === "projects" && !isManager) return;
     if (key === "reports" && !isManager) return;
     setActiveNav(key);
     setMenuOpen(false);
@@ -1029,13 +1025,9 @@ export default function Home({ currentUser }: { currentUser: AuthUser }) {
       title: "分发工作台",
       subtitle: "用最少动作，跑完内容领取、发布与数据回收。",
     },
-    projects: {
-      title: "项目中心",
-      subtitle: "按项目组织任务群与总群成员，一键把任务分发到项目各群。",
-    },
     tasks: {
       title: "任务中心",
-      subtitle: "从飞书同步内容、开放领取，并按任务跟进每篇笔记的分发进度。",
+      subtitle: "按项目组织任务群与总群成员，从飞书同步内容、开放领取并跟进分发进度。",
     },
     resources: {
       title: "KOC资源",
@@ -1169,21 +1161,16 @@ export default function Home({ currentUser }: { currentUser: AuthUser }) {
                   showResources={currentUser.role !== "user"}
                 />
               )}
-              {activeNav === "projects" && isManager && (
-                <ProjectsPage
-                  portalUrl={data.portal_url}
-                  setToast={setToast}
-                  onTasksChanged={loadData}
-                  onCreateTask={() => setTaskModalOpen(true)}
-                />
-              )}
               {activeNav === "tasks" && (
                 <TasksPage
                   tasks={data.tasks}
                   distributions={data.distributions}
                   portalUrl={data.portal_url}
                   canRelease={isManager}
+                  isManager={isManager}
                   working={working}
+                  setToast={setToast}
+                  onTasksChanged={loadData}
                   onCreate={() => setTaskModalOpen(true)}
                   onCopyShare={copyTaskShareLink}
                   onPushToGroups={(task) => setGroupPushTask(task)}
@@ -1461,7 +1448,7 @@ export default function Home({ currentUser }: { currentUser: AuthUser }) {
                   </option>
                 ))}
               </select>
-              <small>挂在项目下的任务可通过「项目中心」直接推送到项目总群与任务群。</small>
+              <small>挂在项目下的任务可在「任务中心」的项目分组中直接推送到项目总群与任务群。</small>
             </label>
             <div className="modal-actions">
               <button type="button" className="ghost-button" onClick={() => setTaskModalOpen(false)}>取消</button>
@@ -2156,7 +2143,7 @@ function PartnersPage({
             </div>
             <p className="project-chat-hint">
               userid 在企业微信管理后台「通讯录」成员详情中查看。群主合作方是内部员工，
-              用于在项目中心把任务群映射到负责人。
+              用于在任务中心的项目分组中把任务群映射到负责人。
             </p>
             <div className="modal-actions">
               <button type="button" className="ghost-button" onClick={() => setCreateOpen(false)} disabled={createSaving}>取消</button>
@@ -2539,42 +2526,7 @@ type GroupOwnerOption = {
   wecom_userid: string;
 };
 
-function ProjectsPage({
-  portalUrl,
-  setToast,
-  onTasksChanged,
-  onCreateTask,
-}: {
-  portalUrl: string;
-  setToast: (message: string) => void;
-  onTasksChanged: () => Promise<void>;
-  onCreateTask: () => void;
-}) {
-  const [projects, setProjects] = useState<ProjectSummary[]>([]);
-  const [loading, setLoading] = useState(true);
-  const [expandedId, setExpandedId] = useState<string | null>(null);
-  const [detail, setDetail] = useState<ProjectDetailData | null>(null);
-  const [detailLoading, setDetailLoading] = useState(false);
-  const [editorOpen, setEditorOpen] = useState(false);
-  const [editorSaving, setEditorSaving] = useState(false);
-  const [editorDraft, setEditorDraft] = useState({
-    id: "",
-    name: "",
-    brand: "",
-    members: "",
-    note: "",
-  });
-  const [chatManaging, setChatManaging] = useState(false);
-  const [chatSaving, setChatSaving] = useState(false);
-  const [chatLoading, setChatLoading] = useState(false);
-  const [chatGroups, setChatGroups] = useState<WecomGroupChatRow[]>([]);
-  const [chatOwners, setChatOwners] = useState<GroupOwnerOption[]>([]);
-  const [chatDraft, setChatDraft] = useState<Array<{ chatId: string; partnerId: string }>>([]);
-  const [deleteTarget, setDeleteTarget] = useState<ProjectSummary | null>(null);
-  const [deleteWorking, setDeleteWorking] = useState(false);
-  const [pushProject, setPushProject] = useState<ProjectDetailData | null>(null);
-
-  const postAction = useCallback(async <T,>(payload: Record<string, unknown>, fallback: string) => {
+async function postAction<T>(payload: Record<string, unknown>, fallback: string) {
   const response = await fetch("/api/action", {
     method: "POST",
     headers: { "Content-Type": "application/json" },
@@ -2583,122 +2535,78 @@ function ProjectsPage({
   const parsed = await readApiResponse<T & { error?: string }>(response, fallback);
   if (!response.ok) throw new Error(parsed.error || fallback);
   return parsed;
-  }, []);
+}
 
-  const loadProjects = useCallback(async () => {
-    try {
-      const parsed = await postAction<{ projects?: ProjectSummary[] }>(
-        { action: "project_list" },
-        "读取项目列表失败",
-      );
-      setProjects(parsed.projects ?? []);
-    } catch (reason) {
-      setToast(reason instanceof Error ? reason.message : "读取项目列表失败");
-    } finally {
-      setLoading(false);
-    }
-  }, [postAction, setToast]);
+type ProjectEditorDraft = {
+  id: string;
+  name: string;
+  brand: string;
+  members: string;
+  note: string;
+};
 
-  useEffect(() => {
-    const timer = window.setTimeout(() => {
-      void loadProjects();
-    }, 0);
-    return () => window.clearTimeout(timer);
-  }, [loadProjects]);
+const EMPTY_PROJECT_DRAFT: ProjectEditorDraft = { id: "", name: "", brand: "", members: "", note: "" };
 
-  const refreshDetail = useCallback(
-    async (projectId: string) => {
+function ProjectSection({
+  project,
+  tasks,
+  detailVersion,
+  portalUrl,
+  setToast,
+  onProjectsChanged,
+  onEditProject,
+  onDeleteProject,
+  onOpenTaskDetail,
+  onCopyShare,
+  onPushToGroups,
+  onOneClickPush,
+}: {
+  project: ProjectSummary;
+  tasks: Task[];
+  detailVersion: number;
+  portalUrl: string;
+  setToast: (message: string) => void;
+  onProjectsChanged: () => Promise<void>;
+  onEditProject: (project: ProjectSummary) => void;
+  onDeleteProject: (project: ProjectSummary) => void;
+  onOpenTaskDetail: (taskId: string) => void;
+  onCopyShare: (task: Task) => void;
+  onPushToGroups: (task: Task) => void;
+  onOneClickPush: (task: Task) => void;
+}) {
+  const [expanded, setExpanded] = useState(false);
+  const [detail, setDetail] = useState<ProjectDetailData | null>(null);
+  const [detailLoading, setDetailLoading] = useState(false);
+  const [chatManaging, setChatManaging] = useState(false);
+  const [chatSaving, setChatSaving] = useState(false);
+  const [chatLoading, setChatLoading] = useState(false);
+  const [chatGroups, setChatGroups] = useState<WecomGroupChatRow[]>([]);
+  const [chatOwners, setChatOwners] = useState<GroupOwnerOption[]>([]);
+  const [chatDraft, setChatDraft] = useState<Array<{ chatId: string; partnerId: string }>>([]);
+  const [pushProject, setPushProject] = useState<ProjectDetailData | null>(null);
+
+  const loadDetail = useCallback(async () => {
+    setDetailLoading(true);
     try {
       const parsed = await postAction<ProjectDetailData>(
-          { action: "project_detail", projectId },
+        { action: "project_detail", projectId: project.id },
         "读取项目详情失败",
       );
       setDetail(parsed);
     } catch (reason) {
       setToast(reason instanceof Error ? reason.message : "读取项目详情失败");
-      }
-    },
-    [postAction, setToast],
-  );
-
-  const toggleDetail = async (project: ProjectSummary) => {
-    if (expandedId === project.id) {
-      setExpandedId(null);
-      setDetail(null);
-      return;
-    }
-    setExpandedId(project.id);
-    setDetail(null);
-    setDetailLoading(true);
-    try {
-      await refreshDetail(project.id);
     } finally {
       setDetailLoading(false);
     }
-  };
+  }, [project.id, setToast]);
 
-  const openEditor = (project?: ProjectSummary) => {
-    setEditorDraft({
-      id: project?.id ?? "",
-      name: project?.name ?? "",
-      brand: project?.brand ?? "",
-      members: (project?.mainGroupMemberIds ?? []).join("\n"),
-      note: project?.note ?? "",
-    });
-    setEditorOpen(true);
-  };
-
-  const submitEditor = async () => {
-    if (!editorDraft.name.trim()) {
-      setToast("请填写项目名称");
-      return;
-    }
-    setEditorSaving(true);
-    try {
-      await postAction(
-        {
-          action: "project_save",
-          id: editorDraft.id,
-          name: editorDraft.name,
-          brand: editorDraft.brand,
-          mainGroupMemberIds: editorDraft.members,
-          note: editorDraft.note,
-        },
-        "保存项目失败",
-      );
-      setEditorOpen(false);
-      setToast(editorDraft.id ? "项目已更新" : "项目已创建");
-      await loadProjects();
-      if (editorDraft.id && expandedId === editorDraft.id) {
-        await refreshDetail(editorDraft.id);
-      }
-    } catch (reason) {
-      setToast(reason instanceof Error ? reason.message : "保存项目失败");
-    } finally {
-      setEditorSaving(false);
-    }
-  };
-
-  const confirmDelete = async () => {
-    if (!deleteTarget) return;
-    setDeleteWorking(true);
-    try {
-      await postAction(
-        { action: "project_delete", projectId: deleteTarget.id },
-        "删除项目失败",
-      );
-      setToast(`项目「${deleteTarget.name}」已删除，任务已解除关联`);
-      setDeleteTarget(null);
-      setExpandedId(null);
-      setDetail(null);
-      await loadProjects();
-      await onTasksChanged();
-    } catch (reason) {
-      setToast(reason instanceof Error ? reason.message : "删除项目失败");
-    } finally {
-      setDeleteWorking(false);
-    }
-  };
+  useEffect(() => {
+    if (!expanded) return;
+    const timer = window.setTimeout(() => {
+      void loadDetail();
+    }, 0);
+    return () => window.clearTimeout(timer);
+  }, [expanded, detailVersion, loadDetail]);
 
   const openChatManager = async () => {
     if (!detail) return;
@@ -2758,7 +2666,7 @@ function ProjectsPage({
       setDetail(parsed);
       setChatManaging(false);
       setToast("项目任务群已更新");
-      await loadProjects();
+      await onProjectsChanged();
     } catch (reason) {
       setToast(reason instanceof Error ? reason.message : "保存任务群关联失败");
     } finally {
@@ -2767,34 +2675,7 @@ function ProjectsPage({
   };
 
   return (
-    <div className="stack">
-      <section className="task-hero">
-        <div>
-          <p className="eyebrow">项目 = 任务 + 任务群 + 总群</p>
-          <h2>按项目组织分发链路</h2>
-          <p>项目总群成员收到应用消息后，各自把任务群发到自己负责的客户群。</p>
-        </div>
-        <div className="project-hero-actions">
-          <button className="ghost-button" onClick={onCreateTask}>＋ 新建任务</button>
-          <button className="primary-button light" onClick={() => openEditor()}>＋ 新建项目</button>
-        </div>
-      </section>
-
-      {loading ? (
-        <div className="empty-state">
-          <div className="empty-icon">…</div>
-          <h3>正在读取项目</h3>
-        </div>
-      ) : projects.length === 0 ? (
-        <div className="empty-state">
-          <div className="empty-icon">▦</div>
-          <h3>还没有项目</h3>
-          <p>新建项目后，把任务挂到项目下，即可一次推送到项目总群与各任务群。</p>
-          <button className="primary-button" onClick={() => openEditor()}>＋ 新建项目</button>
-        </div>
-      ) : (
-        projects.map((project) => (
-          <section className="panel project-panel" key={project.id}>
+    <section className="panel project-panel">
       <div className="project-card-head">
         <div className="project-card-title">
           <div className={`avatar large ${avatarColor(project.name)}`}>
@@ -2808,15 +2689,34 @@ function ProjectsPage({
           </div>
         </div>
         <div className="project-card-actions">
-                <button className="share-link-button" onClick={() => void toggleDetail(project)}>
-                  {expandedId === project.id ? "收起详情" : "查看详情"}
+          <button className="share-link-button" onClick={() => setExpanded((previous) => !previous)}>
+            {expanded ? "收起详情" : "查看详情"}
           </button>
-                <button className="share-link-button" onClick={() => openEditor(project)}>编辑</button>
-                <button className="share-link-button danger" onClick={() => setDeleteTarget(project)}>删除</button>
+          <button className="share-link-button" onClick={() => onEditProject(project)}>编辑</button>
+          <button className="share-link-button danger" onClick={() => onDeleteProject(project)}>删除</button>
         </div>
       </div>
       {project.note && <p className="project-note">{project.note}</p>}
-            {expandedId === project.id && (
+
+      {tasks.length === 0 ? (
+        <p className="project-empty-line">项目下还没有任务，新建任务时选择所属项目即可挂入。</p>
+      ) : (
+        <div className="task-list project-task-list">
+          {tasks.map((task) => (
+            <TaskRowCard
+              key={task.id}
+              task={task}
+              portalUrl={portalUrl}
+              onDetail={() => onOpenTaskDetail(task.id)}
+              onCopyShare={onCopyShare}
+              onPushToGroups={onPushToGroups}
+              onOneClickPush={onOneClickPush}
+            />
+          ))}
+        </div>
+      )}
+
+      {expanded && (
         <div className="project-detail">
           {detailLoading || !detail || detail.project.id !== project.id ? (
             <div className="wecom-picker-empty">正在读取项目详情…</div>
@@ -2864,39 +2764,6 @@ function ProjectsPage({
                   )}
                 </div>
               </div>
-                    <div className="project-detail-block">
-                      <div className="project-detail-block-head">
-                        <h4>项目任务（{detail.tasks.length}）</h4>
-                        <small>在「任务中心」创建任务时选择所属项目</small>
-                      </div>
-                      {detail.tasks.length === 0 ? (
-                        <p className="project-empty-line">项目下还没有任务</p>
-                      ) : (
-                        <table className="data-table project-task-table">
-                          <thead>
-                            <tr><th>任务名称</th><th>数量</th><th>截止</th><th>状态</th><th></th></tr>
-                          </thead>
-                          <tbody>
-                            {detail.tasks.map((task) => (
-                              <tr key={task.id}>
-                                <td>{task.name}</td>
-                                <td>{task.claimed_quantity}/{task.quantity}</td>
-                                <td>{formatDate(task.due_at)}</td>
-                                <td><span className={`status-pill ${task.status}`}>{statusLabel(task.status)}</span></td>
-                                <td>
-                                  <button
-                                    className="share-link-button"
-                                    onClick={() => setPushProject({ ...detail, tasks: detail.tasks.filter((item) => item.id === task.id) })}
-                                  >
-                                    推送该任务
-                                  </button>
-                                </td>
-                              </tr>
-                            ))}
-                          </tbody>
-                        </table>
-                      )}
-                    </div>
               <div className="project-push-bar">
                 <button
                   className="primary-button"
@@ -2905,97 +2772,16 @@ function ProjectsPage({
                 >
                   推送任务到项目群
                 </button>
-                      {detail.tasks.length === 0 && <small>项目下没有可推送的任务</small>}
+                {detail.tasks.length === 0 ? (
+                  <small>项目下没有可推送的任务</small>
+                ) : (
+                  <small>可在推送弹层中选择项目下的具体任务</small>
+                )}
               </div>
             </>
           )}
         </div>
       )}
-          </section>
-        ))
-      )}
-
-      {editorOpen && (
-        <div className="modal-backdrop" role="presentation" onMouseDown={() => setEditorOpen(false)}>
-          <div className="modal-card" onMouseDown={(event) => event.stopPropagation()}>
-            <div className="modal-heading">
-              <div>
-                <p className="eyebrow">项目中心</p>
-                <h2>{editorDraft.id ? "编辑项目" : "新建项目"}</h2>
-              </div>
-              <button type="button" onClick={() => setEditorOpen(false)} aria-label="关闭">×</button>
-            </div>
-            <div className="form-grid two">
-              <label>
-                <span>项目名称 *</span>
-                <input
-                  value={editorDraft.name}
-                  onChange={(event) => setEditorDraft({ ...editorDraft, name: event.target.value })}
-                  placeholder="例如：暑期焕新计划"
-                  required
-                />
-              </label>
-              <label>
-                <span>品牌</span>
-                <input
-                  value={editorDraft.brand}
-                  onChange={(event) => setEditorDraft({ ...editorDraft, brand: event.target.value })}
-                  placeholder="例如：青柠实验室"
-                />
-              </label>
-            </div>
-            <label>
-              <span>项目总群成员 userid（一行一个）</span>
-              <textarea
-                rows={5}
-                value={editorDraft.members}
-                onChange={(event) => setEditorDraft({ ...editorDraft, members: event.target.value })}
-                placeholder={"zhangsan\nlisi\nwangwu"}
-              />
-              <small>userid 在企业微信管理后台「通讯录」成员详情中查看；推送任务时会逐人发送应用消息。</small>
-            </label>
-            <label>
-              <span>备注</span>
-              <textarea
-                rows={2}
-                value={editorDraft.note}
-                onChange={(event) => setEditorDraft({ ...editorDraft, note: event.target.value })}
-                placeholder="项目背景、投放节奏等"
-              />
-            </label>
-            <div className="modal-actions">
-              <button type="button" className="ghost-button" onClick={() => setEditorOpen(false)} disabled={editorSaving}>取消</button>
-              <button type="button" className="primary-button" onClick={() => void submitEditor()} disabled={editorSaving}>
-                {editorSaving ? "保存中…" : "保存项目"}
-              </button>
-            </div>
-          </div>
-        </div>
-      )}
-
-      {deleteTarget && (
-        <div className="modal-backdrop" role="presentation" onMouseDown={() => setDeleteTarget(null)}>
-          <div className="modal-card" onMouseDown={(event) => event.stopPropagation()}>
-            <div className="modal-heading">
-              <div>
-                <p className="eyebrow danger">删除项目</p>
-                <h2>确认删除「{deleteTarget.name}」？</h2>
-              </div>
-              <button type="button" onClick={() => setDeleteTarget(null)} aria-label="关闭">×</button>
-            </div>
-            <p className="project-delete-warning">
-              删除后项目下的 {deleteTarget.taskCount} 个任务会解除项目关联（任务本身保留），
-              任务群关联记录会被移除。此操作不可撤销。
-            </p>
-            <div className="modal-actions">
-              <button type="button" className="ghost-button" onClick={() => setDeleteTarget(null)} disabled={deleteWorking}>取消</button>
-              <button type="button" className="danger-button" onClick={() => void confirmDelete()} disabled={deleteWorking}>
-                {deleteWorking ? "删除中…" : "确认删除"}
-              </button>
-            </div>
-          </div>
-        </div>
-      )}
 
       {chatManaging && detail && (
         <div className="modal-backdrop" role="presentation" onMouseDown={() => setChatManaging(false)}>
@@ -3078,6 +2864,114 @@ function ProjectsPage({
           setToast={setToast}
         />
       )}
+    </section>
+  );
+}
+
+function ProjectEditorModal({
+  draft,
+  saving,
+  onChange,
+  onClose,
+  onSave,
+}: {
+  draft: ProjectEditorDraft;
+  saving: boolean;
+  onChange: (draft: ProjectEditorDraft) => void;
+  onClose: () => void;
+  onSave: () => void;
+}) {
+  return (
+    <div className="modal-backdrop" role="presentation" onMouseDown={onClose}>
+      <div className="modal-card" onMouseDown={(event) => event.stopPropagation()}>
+        <div className="modal-heading">
+          <div>
+            <p className="eyebrow">任务中心 · 项目分组</p>
+            <h2>{draft.id ? "编辑项目" : "新建项目"}</h2>
+          </div>
+          <button type="button" onClick={onClose} aria-label="关闭">×</button>
+        </div>
+        <div className="form-grid two">
+          <label>
+            <span>项目名称 *</span>
+            <input
+              value={draft.name}
+              onChange={(event) => onChange({ ...draft, name: event.target.value })}
+              placeholder="例如：暑期焕新计划"
+              required
+            />
+          </label>
+          <label>
+            <span>品牌</span>
+            <input
+              value={draft.brand}
+              onChange={(event) => onChange({ ...draft, brand: event.target.value })}
+              placeholder="例如：青柠实验室"
+            />
+          </label>
+        </div>
+        <label>
+          <span>项目总群成员 userid（一行一个）</span>
+          <textarea
+            rows={5}
+            value={draft.members}
+            onChange={(event) => onChange({ ...draft, members: event.target.value })}
+            placeholder={"zhangsan\nlisi\nwangwu"}
+          />
+          <small>userid 在企业微信管理后台「通讯录」成员详情中查看；推送任务时会逐人发送应用消息。</small>
+        </label>
+        <label>
+          <span>备注</span>
+          <textarea
+            rows={2}
+            value={draft.note}
+            onChange={(event) => onChange({ ...draft, note: event.target.value })}
+            placeholder="项目背景、投放节奏等"
+          />
+        </label>
+        <div className="modal-actions">
+          <button type="button" className="ghost-button" onClick={onClose} disabled={saving}>取消</button>
+          <button type="button" className="primary-button" onClick={onSave} disabled={saving}>
+            {saving ? "保存中…" : "保存项目"}
+          </button>
+        </div>
+      </div>
+    </div>
+  );
+}
+
+function ProjectDeleteModal({
+  target,
+  working,
+  onClose,
+  onConfirm,
+}: {
+  target: ProjectSummary;
+  working: boolean;
+  onClose: () => void;
+  onConfirm: () => void;
+}) {
+  return (
+    <div className="modal-backdrop" role="presentation" onMouseDown={onClose}>
+      <div className="modal-card" onMouseDown={(event) => event.stopPropagation()}>
+        <div className="modal-heading">
+          <div>
+            <p className="eyebrow danger">删除项目</p>
+            <h2>确认删除「{target.name}」？</h2>
+          </div>
+          <button type="button" onClick={onClose} aria-label="关闭">×</button>
+        </div>
+        <p className="project-delete-warning">
+          删除后项目下的 {target.taskCount} 个任务会解除项目关联（任务本身保留），
+          任务群关联记录会被移除。此操作不可撤销。
+        </p>
+        <div className="modal-actions">
+          <button type="button" className="ghost-button" onClick={onClose} disabled={working}>取消</button>
+          <button type="button" className="danger-button" onClick={onConfirm} disabled={working}>
+            {working ? "删除中…" : "确认删除"}
+          </button>
+        </div>
+      </div>
     </div>
   );
 }
@@ -4013,64 +3907,24 @@ function OverviewPage({
   );
 }
 
-function TasksPage({
-  tasks,
-  distributions,
+function TaskRowCard({
+  task,
   portalUrl,
-  canRelease,
-  working,
-  onCreate,
+  onDetail,
   onCopyShare,
   onPushToGroups,
   onOneClickPush,
-  onRelease,
 }: {
-  tasks: Task[];
-  distributions: Distribution[];
+  task: Task;
   portalUrl: string;
-  canRelease: boolean;
-  working: boolean;
-  onCreate: () => void;
+  onDetail: () => void;
   onCopyShare: (task: Task) => void;
   onPushToGroups: (task: Task) => void;
   onOneClickPush: (task: Task) => void;
-  onRelease: (distribution: Distribution) => Promise<boolean>;
 }) {
-  const [selectedTaskId, setSelectedTaskId] = useState<string | null>(null);
-  const selectedTask = tasks.find((task) => task.id === selectedTaskId);
-
-  if (selectedTask) {
-    return (
-      <TaskDistributionDetail
-        task={selectedTask}
-        distributions={distributions}
-        canRelease={canRelease}
-        working={working}
-        onRelease={onRelease}
-        onBack={() => setSelectedTaskId(null)}
-      />
-    );
-  }
-
-  return (
-    <div className="stack">
-      <section className="task-hero">
-        <div>
-          <p className="eyebrow">两种固定任务类型</p>
-          <h2>发布笔记，或回收任务截图</h2>
-          <p>内容发布走飞书笔记链路；截图回收只下发关键词和要求，不进入发布数据采集。</p>
-        </div>
-        <button className="primary-button light" onClick={onCreate}>＋ 新建任务</button>
-      </section>
-      <section className="panel table-panel">
-        <div className="panel-heading">
-          <div><h2>任务列表</h2><p>{tasks.length} 个任务</p></div>
-        </div>
-        <div className="task-list">
-          {tasks.map((task) => {
   const progress = Math.round((task.claimed_quantity / task.quantity) * 100);
   return (
-              <article className="task-row" key={task.id}>
+    <article className="task-row">
       <div className={`avatar large ${avatarColor(task.name)}`}>{task.brand.slice(0, 1)}</div>
       <div className="task-row-main">
         <div><h3>{task.name}</h3><span>{task.brand}</span></div>
@@ -4093,7 +3947,7 @@ function TasksPage({
       <div className="task-share-actions">
         <button
           className="share-link-button"
-                    onClick={() => setSelectedTaskId(task.id)}
+          onClick={onDetail}
         >
           分发明细
         </button>
@@ -4131,9 +3985,267 @@ function TasksPage({
       </div>
     </article>
   );
-          })}
+}
+
+function TasksPage({
+  tasks,
+  distributions,
+  portalUrl,
+  canRelease,
+  isManager,
+  working,
+  setToast,
+  onTasksChanged,
+  onCreate,
+  onCopyShare,
+  onPushToGroups,
+  onOneClickPush,
+  onRelease,
+}: {
+  tasks: Task[];
+  distributions: Distribution[];
+  portalUrl: string;
+  canRelease: boolean;
+  isManager: boolean;
+  working: boolean;
+  setToast: (message: string) => void;
+  onTasksChanged: () => Promise<void>;
+  onCreate: () => void;
+  onCopyShare: (task: Task) => void;
+  onPushToGroups: (task: Task) => void;
+  onOneClickPush: (task: Task) => void;
+  onRelease: (distribution: Distribution) => Promise<boolean>;
+}) {
+  const [selectedTaskId, setSelectedTaskId] = useState<string | null>(null);
+  const [viewMode, setViewMode] = useState<"grouped" | "flat">(isManager ? "grouped" : "flat");
+  const [projects, setProjects] = useState<ProjectSummary[]>([]);
+  const [projectsLoading, setProjectsLoading] = useState(false);
+  const [detailVersion, setDetailVersion] = useState(0);
+  const [editorOpen, setEditorOpen] = useState(false);
+  const [editorSaving, setEditorSaving] = useState(false);
+  const [editorDraft, setEditorDraft] = useState<ProjectEditorDraft>(EMPTY_PROJECT_DRAFT);
+  const [deleteTarget, setDeleteTarget] = useState<ProjectSummary | null>(null);
+  const [deleteWorking, setDeleteWorking] = useState(false);
+  const selectedTask = tasks.find((task) => task.id === selectedTaskId);
+
+  const loadProjects = useCallback(async () => {
+    setProjectsLoading(true);
+    try {
+      const parsed = await postAction<{ projects?: ProjectSummary[] }>(
+        { action: "project_list" },
+        "读取项目列表失败",
+      );
+      setProjects(parsed.projects ?? []);
+    } catch (reason) {
+      setProjects([]);
+      setToast(reason instanceof Error ? reason.message : "读取项目列表失败");
+    } finally {
+      setProjectsLoading(false);
+    }
+  }, [setToast]);
+
+  useEffect(() => {
+    if (!isManager || viewMode !== "grouped") return;
+    const timer = window.setTimeout(() => {
+      void loadProjects();
+    }, 0);
+    return () => window.clearTimeout(timer);
+  }, [isManager, viewMode, loadProjects]);
+
+  const openEditor = (project?: ProjectSummary) => {
+    setEditorDraft({
+      id: project?.id ?? "",
+      name: project?.name ?? "",
+      brand: project?.brand ?? "",
+      members: (project?.mainGroupMemberIds ?? []).join("\n"),
+      note: project?.note ?? "",
+    });
+    setEditorOpen(true);
+  };
+
+  const submitEditor = async () => {
+    if (!editorDraft.name.trim()) {
+      setToast("请填写项目名称");
+      return;
+    }
+    setEditorSaving(true);
+    try {
+      await postAction(
+        {
+          action: "project_save",
+          id: editorDraft.id,
+          name: editorDraft.name,
+          brand: editorDraft.brand,
+          mainGroupMemberIds: editorDraft.members,
+          note: editorDraft.note,
+        },
+        "保存项目失败",
+      );
+      setEditorOpen(false);
+      setToast(editorDraft.id ? "项目已更新" : "项目已创建");
+      await loadProjects();
+      setDetailVersion((version) => version + 1);
+    } catch (reason) {
+      setToast(reason instanceof Error ? reason.message : "保存项目失败");
+    } finally {
+      setEditorSaving(false);
+    }
+  };
+
+  const confirmDelete = async () => {
+    if (!deleteTarget) return;
+    setDeleteWorking(true);
+    try {
+      await postAction(
+        { action: "project_delete", projectId: deleteTarget.id },
+        "删除项目失败",
+      );
+      setToast(`项目「${deleteTarget.name}」已删除，任务已解除关联`);
+      setDeleteTarget(null);
+      await loadProjects();
+      await onTasksChanged();
+    } catch (reason) {
+      setToast(reason instanceof Error ? reason.message : "删除项目失败");
+    } finally {
+      setDeleteWorking(false);
+    }
+  };
+
+  if (selectedTask) {
+    return (
+      <TaskDistributionDetail
+        task={selectedTask}
+        distributions={distributions}
+        canRelease={canRelease}
+        working={working}
+        onRelease={onRelease}
+        onBack={() => setSelectedTaskId(null)}
+      />
+    );
+  }
+
+  const ungroupedTasks = tasks.filter((task) => !task.project_id);
+  const showGrouped = isManager && viewMode === "grouped";
+
+  return (
+    <div className="stack">
+      <section className="task-hero">
+        <div>
+          <p className="eyebrow">两种固定任务类型 · 项目化分发</p>
+          <h2>发布笔记，或回收任务截图</h2>
+          <p>内容发布走飞书笔记链路；截图回收只下发关键词和要求，不进入发布数据采集。</p>
+        </div>
+        <div className="project-hero-actions">
+          {isManager && <button className="ghost-button" onClick={() => openEditor()}>＋ 新建项目</button>}
+          <button className="primary-button light" onClick={onCreate}>＋ 新建任务</button>
         </div>
       </section>
+
+      {isManager && (
+        <div className="partner-type-tabs" role="group" aria-label="任务视图切换">
+          <button type="button" className={viewMode === "grouped" ? "active" : ""} onClick={() => setViewMode("grouped")}>
+            按项目分组
+          </button>
+          <button type="button" className={viewMode === "flat" ? "active" : ""} onClick={() => setViewMode("flat")}>
+            全部任务（{tasks.length}）
+          </button>
+        </div>
+      )}
+
+      {showGrouped ? (
+        <>
+          {projectsLoading && projects.length === 0 ? (
+            <div className="empty-state">
+              <div className="empty-icon">…</div>
+              <h3>正在读取项目</h3>
+            </div>
+          ) : projects.length === 0 ? (
+            <div className="empty-state">
+              <div className="empty-icon">▦</div>
+              <h3>还没有项目</h3>
+              <p>新建项目后，把任务挂到项目下，即可一次推送到项目总群与各任务群。</p>
+              <button className="primary-button" onClick={() => openEditor()}>＋ 新建项目</button>
+            </div>
+          ) : (
+            projects.map((project) => (
+              <ProjectSection
+                key={project.id}
+                project={project}
+                tasks={tasks.filter((task) => task.project_id === project.id)}
+                detailVersion={detailVersion}
+                portalUrl={portalUrl}
+                setToast={setToast}
+                onProjectsChanged={loadProjects}
+                onEditProject={openEditor}
+                onDeleteProject={setDeleteTarget}
+                onOpenTaskDetail={setSelectedTaskId}
+                onCopyShare={onCopyShare}
+                onPushToGroups={onPushToGroups}
+                onOneClickPush={onOneClickPush}
+              />
+            ))
+          )}
+          <section className="panel ungrouped-panel">
+            <div className="panel-heading">
+              <div><h2>未分组任务</h2><p>{ungroupedTasks.length} 个任务未挂项目</p></div>
+            </div>
+            {ungroupedTasks.length === 0 ? (
+              <p className="project-empty-line">所有任务都已挂在项目下</p>
+            ) : (
+              <div className="task-list">
+                {ungroupedTasks.map((task) => (
+                  <TaskRowCard
+                    key={task.id}
+                    task={task}
+                    portalUrl={portalUrl}
+                    onDetail={() => setSelectedTaskId(task.id)}
+                    onCopyShare={onCopyShare}
+                    onPushToGroups={onPushToGroups}
+                    onOneClickPush={onOneClickPush}
+                  />
+                ))}
+              </div>
+            )}
+          </section>
+        </>
+      ) : (
+        <section className="panel table-panel">
+          <div className="panel-heading">
+            <div><h2>任务列表</h2><p>{tasks.length} 个任务</p></div>
+          </div>
+          <div className="task-list">
+            {tasks.map((task) => (
+              <TaskRowCard
+                key={task.id}
+                task={task}
+                portalUrl={portalUrl}
+                onDetail={() => setSelectedTaskId(task.id)}
+                onCopyShare={onCopyShare}
+                onPushToGroups={onPushToGroups}
+                onOneClickPush={onOneClickPush}
+              />
+            ))}
+          </div>
+        </section>
+      )}
+
+      {editorOpen && (
+        <ProjectEditorModal
+          draft={editorDraft}
+          saving={editorSaving}
+          onChange={setEditorDraft}
+          onClose={() => setEditorOpen(false)}
+          onSave={() => void submitEditor()}
+        />
+      )}
+      {deleteTarget && (
+        <ProjectDeleteModal
+          target={deleteTarget}
+          working={deleteWorking}
+          onClose={() => setDeleteTarget(null)}
+          onConfirm={() => void confirmDelete()}
+        />
+      )}
     </div>
   );
 }

app/globals.css

@@ -5123,6 +5123,14 @@ label small {
   padding: 18px 20px;
 }
 
+.ungrouped-panel {
+  padding: 18px 20px;
+}
+
+.project-task-list {
+  margin-top: 12px;
+}
+
 .project-card-head {
   display: flex;
   align-items: center;