diff --git a/packages/app/e2e/onboarding/home-suggestion-chips.spec.ts b/packages/app/e2e/onboarding/home-suggestion-chips.spec.ts
index 2f9aeadd1..cc4c500e9 100644
--- a/packages/app/e2e/onboarding/home-suggestion-chips.spec.ts
+++ b/packages/app/e2e/onboarding/home-suggestion-chips.spec.ts
@@ -85,9 +85,9 @@ test("@smoke composer placeholder is the static home string", async ({ page, pro
   const label = await editor.getAttribute("aria-label")
   // i18n source: packages/app/src/i18n/{zh,en}.ts → prompt.placeholder.home
   if (locale === "zh") {
-    expect(label).toBe("输入你的任务，或 @ 引用文件")
+    expect(label).toBe("输入你的任务，@ 引用文件，/ 唤起命令")
   } else {
-    expect(label).toBe("Type your task, or @ to mention files")
+    expect(label).toBe("Type your task, @ to mention files, / for commands")
   }
 })
 
diff --git a/packages/app/e2e/snap/prompt-placeholder.snap.ts b/packages/app/e2e/snap/prompt-placeholder.snap.ts
new file mode 100644
index 000000000..3d057de8c
--- /dev/null
+++ b/packages/app/e2e/snap/prompt-placeholder.snap.ts
@@ -0,0 +1,70 @@
+import { test } from "../fixtures"
+import { promptSelector } from "../selectors"
+import { composeGrid, snapOutputPath, type Shot } from "./_compose"
+
+test.use({ viewport: { width: 1440, height: 900 }, deviceScaleFactor: 2 })
+
+async function snapComposer(page: import("@playwright/test").Page, name: string): Promise<Shot> {
+  const prompt = page.locator(promptSelector)
+  await prompt.waitFor({ state: "visible", timeout: 30_000 })
+  const placeholder = page.locator('[data-component="prompt-placeholder"]')
+  await placeholder.waitFor({ state: "visible", timeout: 30_000 })
+  return { name, buf: await prompt.screenshot() }
+}
+
+// Locale-independent right-panel toggle. The shared `openRightPanel` helper
+// looks up the button by English aria name and would not find it after the
+// snap switches the app to zh.
+async function ensureRightPanelOpen(page: import("@playwright/test").Page) {
+  const toggle = page.locator('[aria-controls="right-panel"]').first()
+  await toggle.waitFor({ state: "visible", timeout: 30_000 })
+  const expanded = await toggle.getAttribute("aria-expanded")
+  if (expanded === "true") return
+  await toggle.click()
+  await page.locator('#right-panel').waitFor({ state: "visible", timeout: 5_000 })
+}
+
+// 768px matches the Electron window minWidth from packages/desktop-electron/src/main/windows.ts.
+// The placeholder element has `truncate whitespace-nowrap`, so the narrow shot is the only
+// way to catch the `/ for commands` hint being clipped at the smallest supported window.
+// The "squeezed" row also opens the right panel so the prompt width is realistically narrow
+// (window minWidth - sidebar - right panel) instead of just window minWidth.
+const NARROW_WIDTH = 768
+
+test("prompt-placeholder", async ({ page, project }) => {
+  test.setTimeout(180_000)
+
+  await project.open()
+  const enShot = await snapComposer(page, "en-1440")
+
+  await page.setViewportSize({ width: NARROW_WIDTH, height: 900 })
+  const enNarrowShot = await snapComposer(page, "en-768")
+
+  await ensureRightPanelOpen(page)
+  const enSqueezedShot = await snapComposer(page, "en-768+rightpanel")
+
+  // Client-side locale is sourced from localStorage. Set it, reload, re-snap all widths.
+  // Also clear persisted layout state so the right panel returns to its default closed
+  // state for the zh baseline/narrow shots — opening it for the en squeezed shot writes
+  // `rightPanel.opened: true` into `pawwork.global.dat:layout`, which survives reload.
+  await page.evaluate(() => {
+    localStorage.setItem("pawwork.global.dat:language", JSON.stringify({ locale: "zh" }))
+    localStorage.removeItem("pawwork.global.dat:layout")
+  })
+  await page.setViewportSize({ width: 1440, height: 900 })
+  await page.reload()
+  const zhShot = await snapComposer(page, "zh-1440")
+
+  await page.setViewportSize({ width: NARROW_WIDTH, height: 900 })
+  const zhNarrowShot = await snapComposer(page, "zh-768")
+
+  await ensureRightPanelOpen(page)
+  const zhSqueezedShot = await snapComposer(page, "zh-768+rightpanel")
+
+  const out = snapOutputPath("prompt-placeholder")
+  await composeGrid(
+    [enShot, enNarrowShot, enSqueezedShot, zhShot, zhNarrowShot, zhSqueezedShot],
+    out,
+  )
+  process.stdout.write(`\n[snap] prompt-placeholder grid -> ${out}\n\n`)
+})
diff --git a/packages/app/src/components/prompt-input/placeholder.test.ts b/packages/app/src/components/prompt-input/placeholder.test.ts
index f4feb9f34..ecc6c99de 100644
--- a/packages/app/src/components/prompt-input/placeholder.test.ts
+++ b/packages/app/src/components/prompt-input/placeholder.test.ts
@@ -1,4 +1,6 @@
 import { describe, expect, test } from "bun:test"
+import { dict as en } from "@/i18n/en"
+import { dict as zh } from "@/i18n/zh"
 import { promptPlaceholder } from "./placeholder"
 
 describe("promptPlaceholder", () => {
@@ -17,3 +19,17 @@ describe("promptPlaceholder", () => {
     expect(promptPlaceholder({ mode: "normal", commentCount: 0, t })).toBe("prompt.placeholder.home")
   })
 })
+
+describe("prompt.placeholder.home copy", () => {
+  test("hints at both @ for files and / for commands in English", () => {
+    const copy = en["prompt.placeholder.home"]
+    expect(copy).toContain("@")
+    expect(copy).toContain("/")
+  })
+
+  test("hints at both @ for files and / for commands in Chinese", () => {
+    const copy = zh["prompt.placeholder.home"]
+    expect(copy).toContain("@")
+    expect(copy).toContain("/")
+  })
+})
diff --git a/packages/app/src/i18n/en.ts b/packages/app/src/i18n/en.ts
index 21f42ab91..eca26d7d2 100644
--- a/packages/app/src/i18n/en.ts
+++ b/packages/app/src/i18n/en.ts
@@ -258,7 +258,7 @@ export const dict = {
   "variant.max": "Max",
 
   "prompt.placeholder.shell": "Enter shell command...",
-  "prompt.placeholder.home": "Type your task, or @ to mention files",
+  "prompt.placeholder.home": "Type your task, @ to mention files, / for commands",
   "prompt.placeholder.summarizeComments": "Summarize comments…",
   "prompt.placeholder.summarizeComment": "Summarize comment…",
   "prompt.mode.shell": "Shell",
diff --git a/packages/app/src/i18n/zh.ts b/packages/app/src/i18n/zh.ts
index 25a3cedaf..3ab60cdd0 100644
--- a/packages/app/src/i18n/zh.ts
+++ b/packages/app/src/i18n/zh.ts
@@ -276,7 +276,7 @@ export const dict = {
   "variant.max": "最高",
 
   "prompt.placeholder.shell": "输入 shell 命令...",
-  "prompt.placeholder.home": "输入你的任务，或 @ 引用文件",
+  "prompt.placeholder.home": "输入你的任务，@ 引用文件，/ 唤起命令",
   "prompt.placeholder.summarizeComments": "总结评论…",
   "prompt.placeholder.summarizeComment": "总结该评论…",
   "prompt.mode.shell": "Shell",