diff --git a/web/storyforge-web-v4/assets/app.js b/web/storyforge-web-v4/assets/app.js
index e056332..20cf50a 100644
--- a/web/storyforge-web-v4/assets/app.js
+++ b/web/storyforge-web-v4/assets/app.js
@@ -1714,10 +1714,6 @@ async function loadKnowledgeDocuments(knowledgeBases) {
 }
 
 async function loadStorageStatus(projectId = "") {
-  if (!backendSupports("/v2/storage/status")) {
-    appState.storageStatus = null;
-    return null;
-  }
   const suffix = projectId ? `?project_id=${encodeURIComponent(projectId)}` : "";
   const payload = await storyforgeFetch(`/v2/storage/status${suffix}`).catch(() => null);
   appState.storageStatus = payload;
@@ -1884,9 +1880,6 @@ async function loadOneLinerMessages(sessionId) {
 async function ensureOneLinerSession() {
   const projectId = getOneLinerProjectId();
   if (!projectId) throw new Error("当前还没有项目，OneLiner 需要先绑定项目上下文。");
-  if (!backendSupports("/v2/oneliner/sessions")) {
-    throw new Error("当前后端还没有接入 OneLiner 会话接口。");
-  }
   let session = getCurrentOneLinerSession();
   if (!session) {
     session = await storyforgeFetch("/v2/oneliner/sessions", {
@@ -1895,6 +1888,11 @@ async function ensureOneLinerSession() {
         project_id: projectId,
         preferred_platform: getPreferredPlatform()
       }
+    }).catch((error) => {
+      if (isMissingBackendCapability(error)) {
+        throw new Error("当前实例还没有开放 OneLiner 会话接口。");
+      }
+      throw error;
     });
     appState.onelinerSessions = [session, ...safeArray(appState.onelinerSessions)];
     appState.selectedOnelinerSessionId = session.id;
@@ -1931,9 +1929,6 @@ async function submitOneLinerMessage(content) {
 }
 
 async function createOneLinerRun(runRequest) {
-  if (!backendSupports("/v2/oneliner/runs")) {
-    throw new Error("当前后端还没有接入主 Agent 运行层。");
-  }
   const projectId = getOneLinerProjectId();
   const payload = await storyforgeFetch("/v2/oneliner/runs", {
     method: "POST",
@@ -1945,6 +1940,11 @@ async function createOneLinerRun(runRequest) {
       scheduling_mode: "queued",
       ...runRequest
     }
+  }).catch((error) => {
+    if (isMissingBackendCapability(error)) {
+      throw new Error("当前实例还没有开放主 Agent 运行层。");
+    }
+    throw error;
   });
   await loadAgentControlSurfaces(projectId);
   appState.selectedOnelinerRunId = payload?.id || choosePreferredOneLinerRunId(appState.onelinerRuns, "");
@@ -2229,9 +2229,6 @@ function collectOneLinerActionPayload(action) {
 }
 
 async function executeOneLinerAction(executorKey, options = {}) {
-  if (!backendSupports("/v2/oneliner/actions/execute")) {
-    throw new Error("当前后端还没有接入 OneLiner 动作执行器。");
-  }
   const projectId = getOneLinerProjectId();
   const session = getCurrentOneLinerSession() || await ensureOneLinerSession();
   const payload = await storyforgeFetch("/v2/oneliner/actions/execute", {
@@ -2243,6 +2240,11 @@ async function executeOneLinerAction(executorKey, options = {}) {
       session_id: options.sessionId || session?.id || "",
       payload: options.payload || {}
     }
+  }).catch((error) => {
+    if (isMissingBackendCapability(error)) {
+      throw new Error("当前实例还没有开放 OneLiner 动作执行器。");
+    }
+    throw error;
   });
   await loadAgentControlSurfaces(projectId);
   if (appState.selectedOnelinerSessionId) {
@@ -2500,10 +2502,8 @@ async function bootstrap() {
     const runtimePlatforms = getRuntimePlatformValues();
     const preferredPlatform = getCurrentPlatformValue();
     setCurrentPlatform(preferredPlatform);
-    const supportsReviews = backendSupports("/v2/reviews");
     const supportsIntegrationHealth = backendSupports("/v2/integrations/health");
     const supportsLocalModels = backendSupports("/v2/integrations/local-models");
-    const supportsStorageStatus = backendSupports("/v2/storage/status");
     const supportsLiveRecorderSources = backendSupports("/v2/live-recorder/sources");
     const supportsLiveRecorderStatus = backendSupports("/v2/live-recorder/status");
     const supportsLiveRecorderFiles = backendSupports("/v2/live-recorder/files");
@@ -2545,7 +2545,7 @@ async function bootstrap() {
           trackingDigest
         };
       })),
-      supportsReviews ? storyforgeFetch("/v2/reviews").catch(() => []) : Promise.resolve([]),
+      storyforgeFetch("/v2/reviews").catch(() => []),
       supportsIntegrationHealth ? storyforgeFetch("/v2/integrations/health").catch(() => null) : Promise.resolve(null),
       supportsLocalModels ? storyforgeFetch("/v2/integrations/local-models").catch(() => null) : Promise.resolve(null),
       supportsLiveRecorderSources ? storyforgeFetch("/v2/live-recorder/sources").catch(() => ({ items: [] })) : Promise.resolve({ items: [] })
@@ -2605,11 +2605,7 @@ async function bootstrap() {
     appState.liveRecorderHealth = liveRecorderHealth;
     appState.documents = await loadKnowledgeDocuments(dashboard.knowledge_bases);
     appState.selectedProjectId = appState.selectedProjectId || dashboard.projects?.[0]?.id || "";
-    if (supportsStorageStatus) {
-      await loadStorageStatus(appState.selectedProjectId || "");
-    } else {
-      appState.storageStatus = null;
-    }
+    await loadStorageStatus(appState.selectedProjectId || "");
     await loadAgentControlSurfaces(appState.selectedProjectId || "");
     if (appState.selectedOnelinerSessionId) {
       await loadOneLinerMessages(appState.selectedOnelinerSessionId);
@@ -3220,11 +3216,7 @@ async function applySelectedProject(projectId = "") {
   appState.selectedProjectId = projectId || "";
   setBusy(true, "正在切换项目视图...");
   try {
-    if (backendSupports("/v2/storage/status")) {
-      await loadStorageStatus(appState.selectedProjectId || "");
-    } else {
-      appState.storageStatus = null;
-    }
+    await loadStorageStatus(appState.selectedProjectId || "");
     await loadAgentControlSurfaces(appState.selectedProjectId || "");
     if (appState.selectedOnelinerSessionId) {
       await loadOneLinerMessages(appState.selectedOnelinerSessionId);
@@ -3824,13 +3816,13 @@ function renderStorageStatusPanel() {
         <div class="panel-head">
           <div>
             <h3>存储状态</h3>
-            <div class="panel-subtitle">后端暂未提供 /v2/storage/status，先用任务和录像文件做本地观察</div>
+            <div class="panel-subtitle">当前实例没有返回存储策略时，先用任务和录像文件做本地观察</div>
           </div>
           <span class="tag blue">降级视图</span>
         </div>
         <div class="task-item">
           <h4>未拉取到 NAS 策略</h4>
-          <p>后端补上 storage/status 后，这里会自动显示账号 / 项目 / 任务分层、容量和最近写入路径。</p>
+          <p>当 storage/status 暂时拿不到时，这里会自动退回到任务和录像文件的降级视图。</p>
           <div class="task-meta">
             <span class="tag">最近任务 ${escapeHtml(formatNumber(projectJobCount))}</span>
             <span class="tag">录制源 ${escapeHtml(formatNumber(liveRecorderSources.length))}</span>
@@ -6896,14 +6888,6 @@ function renderReviewScreen() {
     }
     return screenShell("发布与复盘", "先自动连接工作区。", `${button("自动连接", "open-auth", "primary")}`, renderEmptyState("复盘未加载", "自动连接成功后，这里会先用最近任务生成一版复盘入口。"));
   }
-  if (!backendSupports("/v2/reviews")) {
-    return screenShell(
-      "发布与复盘",
-      "当前 live collector 还没有接入复盘读写接口。",
-      `${button("去生产", "goto-production", "primary")}`,
-      renderEmptyState("复盘能力暂未接入", "这套后端还缺 /v2/reviews，当前可以继续跑生产任务，等 live collector 同步后这里会自动切成真实复盘工作台。")
-    );
-  }
   const project = getSelectedProject();
   const completed = safeArray(appState.dashboard.recent_jobs).filter((item) => item.status === "completed").slice(0, 4);
   const reviews = getProjectReviews(project?.id || "").slice(0, 8);
@@ -11314,11 +11298,7 @@ document.addEventListener("click", async (event) => {
       appState.selectedProjectId = action.dataset.projectId || "";
       setBusy(true, "正在切换项目视图...");
       try {
-        if (backendSupports("/v2/storage/status")) {
-          await loadStorageStatus(appState.selectedProjectId || "");
-        } else {
-          appState.storageStatus = null;
-        }
+        await loadStorageStatus(appState.selectedProjectId || "");
         await loadAgentControlSurfaces(appState.selectedProjectId || "");
         if (appState.selectedOnelinerSessionId) {
           await loadOneLinerMessages(appState.selectedOnelinerSessionId);
diff --git a/web/storyforge-web-v4/tests/workbench-pages.test.mjs b/web/storyforge-web-v4/tests/workbench-pages.test.mjs
index 46bc152..90632c8 100644
--- a/web/storyforge-web-v4/tests/workbench-pages.test.mjs
+++ b/web/storyforge-web-v4/tests/workbench-pages.test.mjs
@@ -274,21 +274,28 @@ test("governance and quota panels use real empty-state language instead of backe
 test("quota and review screens foreground live next-step guidance", () => {
   const tenantQuota = extractBetween(APP, "function renderTenantQuotaPanel()", "function policyScopeTagLabel(");
   const review = extractBetween(APP, "function renderReviewScreen()", "function renderStrategyScreen()");
+  const storage = extractBetween(APP, "function renderStorageStatusPanel()", "function renderAutomationScreen()");
 
   assert.match(tenantQuota, /先处理存储超限|先恢复额度保护|先补项目额度策略|先检查本周期消耗|先跑出第一条计量/);
   assert.match(tenantQuota, /主要消耗/);
   assert.match(tenantQuota, /周期 /);
   assert.match(tenantQuota, /计量 /);
 
+  assert.doesNotMatch(review, /复盘能力暂未接入|还缺 \/v2\/reviews/);
   assert.match(review, /先把最近完成任务写成复盘|先回看高频结论|先跑出第一条可复盘任务/);
   assert.match(review, /高频结论/);
   assert.match(review, /已发布/);
+  assert.doesNotMatch(storage, /后端暂未提供 \/v2\/storage\/status/);
+  assert.match(storage, /当前实例没有返回存储策略时/);
 });
 
 test("tracking refresh and top-video analysis flows expose async feedback inside the workbench", () => {
   const tracking = extractBetween(APP, "function renderTrackingScreen()", "function renderAutomationScreen()");
   const discovery = extractBetween(APP, "function renderDiscoveryOverviewSection(", "function renderDiscoveryRelationsSection(");
   const trackingActions = extractBetween(APP, "async function markTrackingDigestRead()", "function createEmptyTrackingDigest(");
+  const oneLinerSession = extractBetween(APP, "async function ensureOneLinerSession()", "async function submitOneLinerMessage(");
+  const oneLinerRun = extractBetween(APP, "async function createOneLinerRun(", "async function confirmOneLinerRun(");
+  const oneLinerAction = extractBetween(APP, "async function executeOneLinerAction(", "function openCurrentOneLinerRunResultAction(");
   const skillReview = extractBetween(APP, "function openPlatformSkillReviewAction(", "function openPlatformSkillRollbackAction(");
   const topVideoAction = extractBetween(APP, "function openAnalyzeTopVideosAction()", "function openSimilaritySearchAction()");
 
@@ -302,6 +309,9 @@ test("tracking refresh and top-video analysis flows expose async feedback inside
   assert.match(discovery, /最近高分拆解/);
   assert.match(discovery, /这批结果已经回流到当前账号页/);
   assert.doesNotMatch(trackingActions, /当前后端暂不支持.*跟踪已读游标|当前后端暂不支持.*批量跟踪同步|当前后端暂不支持.*单账号跟踪同步/s);
+  assert.doesNotMatch(oneLinerSession, /当前后端还没有接入 OneLiner 会话接口/);
+  assert.doesNotMatch(oneLinerRun, /当前后端还没有接入主 Agent 运行层/);
+  assert.doesNotMatch(oneLinerAction, /当前后端还没有接入 OneLiner 动作执行器/);
   assert.doesNotMatch(skillReview, /当前后端还没有接入平台技能验收接口/);
   assert.doesNotMatch(topVideoAction, /当前后端暂不支持.*高分作品批量分析/s);
   assert.match(topVideoAction, /当前实例未提供/);