diff --git a/web/storyforge-web-v4/assets/app.js b/web/storyforge-web-v4/assets/app.js
index 7884547..1e0ee02 100644
--- a/web/storyforge-web-v4/assets/app.js
+++ b/web/storyforge-web-v4/assets/app.js
@@ -2075,6 +2075,78 @@ function openCurrentOneLinerRunResultAction(runId = "") {
   });
 }
 
+function openConfirmOneLinerRunAction(runId = "") {
+  const run = safeArray(appState.onelinerRuns).find((item) => item.id === runId) || getCurrentOneLinerRun();
+  if (!run?.id) {
+    rememberAction("还没有可确认的任务", "当前没有主 Agent 待确认任务。", "orange");
+    renderAll();
+    return;
+  }
+  const planSteps = safeArray(run.plan?.steps).slice(0, 5);
+  const previewAction = run.recommended_preview_action || null;
+  const tags = [
+    run.platform_label ? `<span class="tag blue">${escapeHtml(run.platform_label)}</span>` : "",
+    `<span class="tag">${escapeHtml(run.platform_scope === "all_platforms" ? "全平台" : "单平台")}</span>`,
+    `<span class="tag">${escapeHtml(onelinerIntentLabel(run.intent_key))}</span>`,
+    run.source_screen ? `<span class="tag">${escapeHtml(run.source_screen)}</span>` : ""
+  ].filter(Boolean).join("");
+  const planHtml = `
+    <div class="task-item compact">
+      <h4>当前计划</h4>
+      <p>${escapeHtml(run.plan?.summary || run.summary || "主 Agent 会先按这张确认卡理解目标，再继续执行。")}</p>
+      <div class="task-meta">${tags}</div>
+      ${planSteps.length ? `
+        <div class="list" style="margin-top:12px;">
+          ${planSteps.map((step, index) => `
+            <div class="task-item compact">
+              <h4>步骤 ${escapeHtml(formatNumber(index + 1))}</h4>
+              <p>${escapeHtml(step)}</p>
+            </div>
+          `).join("")}
+        </div>
+      ` : ""}
+      ${previewAction ? `
+        <div class="task-item compact" style="margin-top:12px;">
+          <h4>预计落点</h4>
+          <p>${escapeHtml(previewAction.summary || "执行后会回到更合适的业务页面继续推进。")}</p>
+          <div class="task-meta">
+            <span class="tag green">${escapeHtml(previewAction.label || "回到对应页面")}</span>
+            ${previewAction.screen ? `<span class="tag">${escapeHtml(previewAction.screen)}</span>` : ""}
+          </div>
+        </div>
+      ` : ""}
+    </div>
+  `;
+  openActionModal({
+    title: "确认主 Agent 执行计划",
+    description: "确认后，主 Agent 会按当前计划进入执行流；你也可以先补一句执行说明。",
+    submitLabel: "确认执行",
+    fields: [
+      {
+        name: "plan",
+        type: "html",
+        label: "执行计划",
+        html: `<div class="sheet-html">${planHtml}</div>`
+      },
+      {
+        name: "reason",
+        type: "textarea",
+        label: "补充说明",
+        rows: 3,
+        placeholder: "可选：比如优先做抖音，或者先给我一版更保守的执行建议。",
+        value: ""
+      }
+    ],
+    onSubmit: async (values) => {
+      const payload = await confirmOneLinerRun(run.id, values.reason || "user confirmed");
+      return {
+        keepOpen: false,
+        payload
+      };
+    }
+  });
+}
+
 async function loadPlatformAccount(platform, accountId, requestToken = 0) {
   if (!accountId) return;
   const normalizedPlatform = normalizePlatformValue(platform, getPreferredPlatform());
@@ -9784,14 +9856,7 @@ document.addEventListener("click", async (event) => {
       return;
     }
     if (name === "confirm-oneliner-run") {
-      try {
-        setBusy(true, "正在确认执行计划...");
-        await confirmOneLinerRun(action.dataset.runId || "", "user confirmed");
-      } catch (error) {
-        presentActionFailure(error, "主 Agent 确认失败");
-      } finally {
-        setBusy(false, "");
-      }
+      openConfirmOneLinerRunAction(action.dataset.runId || "");
       return;
     }
     if (name === "cancel-oneliner-run") {
diff --git a/web/storyforge-web-v4/tests/workbench-pages.test.mjs b/web/storyforge-web-v4/tests/workbench-pages.test.mjs
index 7804866..f22c423 100644
--- a/web/storyforge-web-v4/tests/workbench-pages.test.mjs
+++ b/web/storyforge-web-v4/tests/workbench-pages.test.mjs
@@ -140,6 +140,19 @@ test("oneliner panel includes a dedicated runtime header for agent runs", () =>
   assert.match(runtime, /recommended_action/);
 });
 
+test("confirm-oneliner-run opens a dedicated confirmation sheet before execution", () => {
+  const confirmSheet = extractBetween(APP, "function openConfirmOneLinerRunAction(runId = \"\")", "async function loadPlatformAccount(");
+  const actions = extractBetween(APP, "document.addEventListener(\"click\", async (event) => {", "document.addEventListener(\"submit\", async (event) => {");
+
+  assert.match(confirmSheet, /确认主 Agent 执行计划/);
+  assert.match(confirmSheet, /当前计划/);
+  assert.match(confirmSheet, /预计落点/);
+  assert.match(confirmSheet, /submitLabel: "确认执行"/);
+  assert.match(confirmSheet, /reason/);
+  assert.match(confirmSheet, /confirmOneLinerRun\(run\.id,\s*values\.reason/);
+  assert.match(actions, /openConfirmOneLinerRunAction\(action\.dataset\.runId \|\| ""\)/);
+});
+
 test("oneliner meta and action handlers expose governance entry points", () => {
   const meta = extractBetween(APP, "function renderOneLinerUi()", "function openOneLinerPanel()");
   const messages = extractBetween(APP, "function renderOneLinerMessagesHtml()", "function renderOneLinerUi()");