diff --git a/backend/schemas.py b/backend/schemas.py
index 2ecb038..6c49291 100644
--- a/backend/schemas.py
+++ b/backend/schemas.py
@@ -28,6 +28,7 @@ ToolParameterLocation = Literal["path", "query", "body", "header"]
 ToolExecutionMode = Literal["immediate", "async"]
 ClientToolResponseWaitMode = Literal["timeout", "session"]
 DynamicVariableType = Literal["string", "number", "boolean"]
+PromptEntryMode = Literal["wait_user", "generate"]
 
 # 外部应用类型:其 config.apiKey 是该助手私有密钥,读时打码 / 写时哨兵
 EXTERNAL_TYPES = {"dify", "fastgpt", "opencode"}
@@ -106,10 +107,12 @@ class OpeningMessageConfig(CamelModel):
     title: str = Field(default="重要提示", min_length=1, max_length=120)
     message: str = Field(min_length=1, max_length=2000)
     confirm_label: str = Field(default="确认", min_length=1, max_length=40)
+    skip_speech_on_confirm: bool = True
 
 
 class StartupConfig(CamelModel):
     execution_mode: Literal["sequential"] = "sequential"
+    entry_mode: PromptEntryMode | None = None
     actions: list[StartupAction] = Field(default_factory=list, max_length=5)
     opening_message: OpeningMessageConfig | None = None
 
@@ -118,6 +121,12 @@ class StartupConfig(CamelModel):
         ids = [action.id for action in self.actions]
         if len(ids) != len(set(ids)):
             raise ValueError("启动 Action 的 id 不能重复")
+        if self.entry_mode is None:
+            # Preserve the behavior introduced before entryMode became an
+            # explicit setting. Newly saved clients always send the field.
+            self.entry_mode = (
+                "generate" if self.opening_message is not None else "wait_user"
+            )
         return self
 
 
@@ -180,7 +189,9 @@ class AssistantUpsert(CamelModel):
         if self.type != "prompt":
             self.startup = StartupConfig()
         if self.runtime_mode == "realtime" and (
-            self.startup.actions or self.startup.opening_message is not None
+            self.startup.actions
+            or self.startup.opening_message is not None
+            or self.startup.entry_mode != "wait_user"
         ):
             raise ValueError("Prompt Realtime 模式暂不支持启动阶段")
         # 外部托管大脑只能 cascade,拦住不兼容的 realtime
diff --git a/backend/services/brains/prompt_brain.py b/backend/services/brains/prompt_brain.py
index e24dcb2..0e5784e 100644
--- a/backend/services/brains/prompt_brain.py
+++ b/backend/services/brains/prompt_brain.py
@@ -75,6 +75,8 @@ class PromptBrain(BaseBrain):
         self._opening_finished = False
         self._opening_input_blocked = False
         self._startup_failed = False
+        self._greeting_pending = False
+        self._entry_dispatched = False
 
     async def greeting(self, cfg: AssistantConfig) -> str:
         # The built-in opening Message owns the greeting so speech and the
@@ -115,6 +117,8 @@ class PromptBrain(BaseBrain):
         self._opening_finished = not self._has_opening_stage()
         self._opening_input_blocked = False
         self._startup_failed = False
+        self._greeting_pending = False
+        self._entry_dispatched = False
         llm_tool_ids = (
             set(cfg.llm_tool_ids) if cfg.llm_tool_ids is not None else None
         )
@@ -150,18 +154,27 @@ class PromptBrain(BaseBrain):
         self._preflight_finished = True
 
     async def on_connected(self, *, greeting_pending: bool = False) -> None:
+        self._greeting_pending = greeting_pending
         if (
-            self._has_opening_stage()
+            (self._has_opening_stage() or self._entry_mode() == "generate")
             and self._runtime is not None
             and self._runtime.set_input_enabled is not None
         ):
             self._runtime.set_input_enabled(False)
             self._opening_input_blocked = True
+        await self._enter_prompt_if_ready()
+
+    async def on_greeting_finished(self) -> None:
+        self._greeting_pending = False
+        await self._enter_prompt_if_ready()
 
     async def on_client_ready(self) -> None:
         if self._output is not None:
             await self._output.mark_client_ready()
-        if self._opening_started or self._opening_finished or self._startup_failed:
+        if self._startup_failed:
+            return
+        if self._opening_started or self._opening_finished:
+            await self._enter_prompt_if_ready()
             return
         self._opening_started = True
         runtime = self._runtime
@@ -169,7 +182,6 @@ class PromptBrain(BaseBrain):
             raise RuntimeError("PromptBrain 尚未初始化")
         opening_message = self._opening_message()
         opening_actions = self._startup_actions("opening")
-        generate_after_confirmation = opening_message is not None
         speech = (
             self._render_greeting(self._cfg).strip()
             if opening_message is not None
@@ -184,7 +196,8 @@ class PromptBrain(BaseBrain):
                     speak=self._speak_opening,
                     set_input_enabled=runtime.set_input_enabled,
                     input_already_blocked=self._opening_input_blocked,
-                    # Keep the gate until the automatic first reply is queued.
+                    # Prompt owns the gate until its explicit entry behavior
+                    # has been dispatched.
                     release_input_on_success=False,
                     release_input_on_failure=False,
                 )
@@ -197,13 +210,7 @@ class PromptBrain(BaseBrain):
             if opening_actions:
                 result = await self._action_stages.run(
                     self._opening_actions_stage_spec(),
-                    # The Prompt opening lifecycle owns the input gate when a
-                    # confirmation message will trigger an automatic reply.
-                    set_input_enabled=(
-                        None
-                        if generate_after_confirmation
-                        else runtime.set_input_enabled
-                    ),
+                    set_input_enabled=None,
                     input_already_blocked=self._opening_input_blocked,
                     release_input_on_failure=False,
                     on_outcome=self._publish_opening_outcome,
@@ -215,12 +222,7 @@ class PromptBrain(BaseBrain):
             self._startup_failed = True
             raise
         self._opening_finished = True
-        self._opening_input_blocked = False
-        if generate_after_confirmation and not runtime.call_end.ending:
-            logger.debug("Prompt 开场确认完成，触发自动首句")
-            await runtime.queue_frame(LLMRunFrame())
-            if runtime.set_input_enabled is not None:
-                runtime.set_input_enabled(True)
+        await self._enter_prompt_if_ready()
 
     async def _speak_opening(self, content: str) -> Awaitable[None] | None:
         if self._output is None:
@@ -236,6 +238,36 @@ class PromptBrain(BaseBrain):
         value = startup.get("opening_message", startup.get("openingMessage"))
         return value if isinstance(value, dict) else None
 
+    def _entry_mode(self) -> str:
+        startup = self._cfg.startup if isinstance(self._cfg.startup, dict) else {}
+        value = str(startup.get("entry_mode", startup.get("entryMode")) or "")
+        if value in {"wait_user", "generate"}:
+            return value
+        # Raw runtime configs saved before entryMode existed generated a first
+        # reply after their opening confirmation. Keep that legacy behavior.
+        return "generate" if self._opening_message() is not None else "wait_user"
+
+    async def _enter_prompt_if_ready(self) -> None:
+        if (
+            self._entry_dispatched
+            or self._startup_failed
+            or not self._opening_finished
+            or self._greeting_pending
+        ):
+            return
+        runtime = self._runtime
+        if runtime is None or runtime.call_end.ending:
+            return
+
+        self._entry_dispatched = True
+        entry_mode = self._entry_mode()
+        if entry_mode == "generate":
+            logger.debug("Prompt 开场阶段完成，按进入行为触发自动首句")
+            await runtime.queue_frame(LLMRunFrame())
+        if self._opening_input_blocked and runtime.set_input_enabled is not None:
+            runtime.set_input_enabled(True)
+        self._opening_input_blocked = False
+
     def _has_opening_stage(self) -> bool:
         return self._opening_message() is not None or bool(
             self._startup_actions("opening")
@@ -290,6 +322,12 @@ class PromptBrain(BaseBrain):
                 ).strip(),
             ),
             completion_policy=MESSAGE_CONFIRMATION,
+            skip_speech_on_confirmation=bool(
+                config.get(
+                    "skip_speech_on_confirm",
+                    config.get("skipSpeechOnConfirm", True),
+                )
+            ),
         )
 
     async def _publish_opening_outcome(
diff --git a/backend/services/message_stage.py b/backend/services/message_stage.py
index 923c302..0791379 100644
--- a/backend/services/message_stage.py
+++ b/backend/services/message_stage.py
@@ -38,6 +38,7 @@ class MessageStageSpec:
     speech: str = ""
     display: MessageDisplaySpec | None = None
     completion_policy: MessageCompletionPolicy = MESSAGE_PLAYBACK
+    skip_speech_on_confirmation: bool = True
 
 
 @dataclass(frozen=True)
@@ -54,7 +55,7 @@ class MessageStageRunner:
     """Run one atomic user-visible message stage.
 
     Speech is queued before the client message is dispatched. A confirmation
-    stage completes when the user confirms, even if audio is still playing. A
+    may interrupt the remaining audio or keep playback as the final gate. A
     speech-only stage completes at the real transport playback boundary.
     """
 
@@ -117,11 +118,14 @@ class MessageStageRunner:
                     return result
                 action = result.action
 
-            # Confirmation is the gate. It deliberately does not wait for the
-            # audio completion future, so the user can continue immediately.
+            # A confirmation may either interrupt the remaining speech or
+            # acknowledge the dialog while keeping playback as the final gate.
             if (
                 playback_completion is not None
-                and not require_confirmation
+                and (
+                    not require_confirmation
+                    or not spec.skip_speech_on_confirmation
+                )
             ):
                 await playback_completion
 
@@ -187,7 +191,10 @@ class MessageStageRunner:
                 response_wait_mode=(
                     "session" if require_confirmation else "timeout"
                 ),
-                interrupt_on_result=require_confirmation,
+                interrupt_on_result=(
+                    require_confirmation
+                    and spec.skip_speech_on_confirmation
+                ),
             )
         except ClientToolError as exc:
             return MessageStageResult(
diff --git a/backend/tests/test_brains.py b/backend/tests/test_brains.py
index 0f1d00b..a959bd2 100644
--- a/backend/tests/test_brains.py
+++ b/backend/tests/test_brains.py
@@ -366,6 +366,7 @@ class PromptBrainTests(unittest.IsolatedAsyncioTestCase):
             tools=[tool],
             startup={
                 "execution_mode": "sequential",
+                "entry_mode": "generate",
                 "opening_message": {
                     "title": "重要提示",
                     "message": "请确认已阅读。",
@@ -434,6 +435,7 @@ class PromptBrainTests(unittest.IsolatedAsyncioTestCase):
         self.assertEqual(called_tool_ids, [])
         self.assertEqual(client_calls[0][0], "show_message")
         self.assertFalse(client_calls[0][1]["dismissible"])
+        self.assertTrue(client_calls[0][2]["interrupt_on_result"])
         self.assertTrue(
             any(
                 isinstance(frame, TTSSpeakFrame)
@@ -478,6 +480,157 @@ class PromptBrainTests(unittest.IsolatedAsyncioTestCase):
             1,
         )
 
+    async def test_opening_confirmation_can_wait_for_user_afterwards(self):
+        cfg = AssistantConfig(
+            type="prompt",
+            greeting="请先确认",
+            startup={
+                "entry_mode": "wait_user",
+                "opening_message": {
+                    "title": "重要提示",
+                    "message": "请确认已阅读。",
+                },
+            },
+        )
+        brain = build_brain(cfg)
+        queued = []
+        input_states = []
+
+        async def queue_frame(frame):
+            queued.append(frame)
+
+        class FakeClientTools:
+            async def call(self, *_args, **_kwargs):
+                return {"status": "ok", "data": {"action": "confirmed"}}
+
+        await brain.setup(
+            cfg,
+            BrainRuntime(
+                context=LLMContext(messages=[]),
+                llm=FakeLLM(),
+                queue_frame=queue_frame,
+                set_system_prompt=lambda _prompt: None,
+                set_tools=lambda _tools: None,
+                call_end=FakeCallEnd(),
+                client_tools=FakeClientTools(),
+                set_input_enabled=input_states.append,
+            ),
+        )
+
+        await brain.on_connected(greeting_pending=False)
+        await brain.on_client_ready()
+
+        self.assertEqual(input_states, [False, True])
+        self.assertFalse(any(isinstance(frame, LLMRunFrame) for frame in queued))
+
+    async def test_prompt_generate_entry_waits_for_shared_greeting_playback(self):
+        cfg = AssistantConfig(
+            type="prompt",
+            greeting="固定开场白",
+            startup={"entry_mode": "generate"},
+        )
+        brain = build_brain(cfg)
+        queued = []
+        input_states = []
+
+        async def queue_frame(frame):
+            queued.append(frame)
+
+        await brain.setup(
+            cfg,
+            BrainRuntime(
+                context=LLMContext(messages=[]),
+                llm=FakeLLM(),
+                queue_frame=queue_frame,
+                set_system_prompt=lambda _prompt: None,
+                set_tools=lambda _tools: None,
+                call_end=FakeCallEnd(),
+                set_input_enabled=input_states.append,
+            ),
+        )
+
+        await brain.on_connected(greeting_pending=True)
+        await brain.on_client_ready()
+        self.assertEqual(input_states, [False])
+        self.assertFalse(any(isinstance(frame, LLMRunFrame) for frame in queued))
+
+        await brain.on_greeting_finished()
+        self.assertEqual(input_states, [False, True])
+        self.assertEqual(
+            sum(isinstance(frame, LLMRunFrame) for frame in queued),
+            1,
+        )
+
+    async def test_opening_confirmation_can_keep_speech_playing_before_entry(self):
+        cfg = AssistantConfig(
+            type="prompt",
+            greeting="必须完整播放的开场白",
+            startup={
+                "entry_mode": "generate",
+                "opening_message": {
+                    "title": "重要提示",
+                    "message": "请确认已阅读。",
+                    "skip_speech_on_confirm": False,
+                },
+            },
+        )
+        brain = build_brain(cfg)
+        queued = []
+        input_states = []
+        message_displayed = asyncio.Event()
+
+        class TrackedCallEnd(FakeCallEnd):
+            def __init__(self):
+                super().__init__()
+                self.playback_completion = None
+
+            def track_speech(self):
+                self.tracked_speeches += 1
+                self.playback_completion = asyncio.get_running_loop().create_future()
+                return self.playback_completion
+
+        class FakeClientTools:
+            async def call(self, *_args, **options):
+                self.options = options
+                message_displayed.set()
+                return {"status": "ok", "data": {"action": "confirmed"}}
+
+        async def queue_frame(frame):
+            queued.append(frame)
+
+        call_end = TrackedCallEnd()
+        client_tools = FakeClientTools()
+        await brain.setup(
+            cfg,
+            BrainRuntime(
+                context=LLMContext(messages=[]),
+                llm=FakeLLM(),
+                queue_frame=queue_frame,
+                set_system_prompt=lambda _prompt: None,
+                set_tools=lambda _tools: None,
+                call_end=call_end,
+                client_tools=client_tools,
+                set_input_enabled=input_states.append,
+            ),
+        )
+
+        await brain.on_connected(greeting_pending=False)
+        opening_task = asyncio.create_task(brain.on_client_ready())
+        await message_displayed.wait()
+        await asyncio.sleep(0)
+
+        self.assertFalse(client_tools.options["interrupt_on_result"])
+        self.assertFalse(opening_task.done())
+        self.assertFalse(any(isinstance(frame, LLMRunFrame) for frame in queued))
+
+        call_end.playback_completion.set_result(None)
+        await opening_task
+        self.assertEqual(input_states, [False, True])
+        self.assertEqual(
+            sum(isinstance(frame, LLMRunFrame) for frame in queued),
+            1,
+        )
+
     async def test_required_opening_failure_keeps_input_blocked_and_ends_call(self):
         cfg = AssistantConfig(
             type="prompt",
diff --git a/backend/tests/test_startup_actions.py b/backend/tests/test_startup_actions.py
index 755f039..edf41cb 100644
--- a/backend/tests/test_startup_actions.py
+++ b/backend/tests/test_startup_actions.py
@@ -109,6 +109,8 @@ class StartupActionValidationTests(unittest.IsolatedAsyncioTestCase):
 
         self.assertEqual(body.startup.actions, [])
         self.assertEqual(body.startup.opening_message.confirm_label, "确认")
+        self.assertTrue(body.startup.opening_message.skip_speech_on_confirm)
+        self.assertEqual(body.startup.entry_mode, "generate")
 
     async def test_startup_tool_does_not_need_conversation_binding(self):
         tool = SimpleNamespace(
diff --git a/frontend/src/components/assistant-editor/prompt-editor.tsx b/frontend/src/components/assistant-editor/prompt-editor.tsx
index 8806978..bfeccdc 100644
--- a/frontend/src/components/assistant-editor/prompt-editor.tsx
+++ b/frontend/src/components/assistant-editor/prompt-editor.tsx
@@ -200,6 +200,7 @@ export function PromptEditor({
             title: "重要提示",
             message: "请确认已阅读以上信息。",
             confirmLabel: "确认",
+            skipSpeechOnConfirm: true,
           }
         : null,
     });
@@ -323,7 +324,7 @@ export function PromptEditor({
                   <div className="mt-4 space-y-3 border-t border-hairline pt-4">
                     <ToggleRow
                       title="开场确认弹窗"
-                      description="与开场白同时显示，用户确认后即可开始对话，不等待播报完成。"
+                      description="与开场白同时显示，用户确认后按下方策略进入对话。"
                       checked={Boolean(openingMessage)}
                       onChange={setOpeningMessage}
                     />
@@ -367,12 +368,34 @@ export function PromptEditor({
                             className="border-hairline-strong bg-background"
                           />
                         </label>
+                        <ToggleRow
+                          title="确认后跳过剩余开场白"
+                          description="开启后立即停止尚未播完的开场白；关闭后等待播报完成再进入对话。"
+                          checked={openingMessage.skipSpeechOnConfirm}
+                          onChange={(skipSpeechOnConfirm) =>
+                            updateOpeningMessage({ skipSpeechOnConfirm })
+                          }
+                        />
                         <p className="text-xs leading-5 text-muted-foreground">
                           弹窗不可跳过；失败时将结束本次通话。这是平台内置开场阶段，
                           不会作为工具暴露给模型。
                         </p>
                       </div>
                     )}
+
+                    <div className="border-t border-hairline pt-3">
+                      <ToggleRow
+                        title="进入后立即回复"
+                        description="开启后由助手主动生成首句；关闭后等待用户下一轮输入。"
+                        checked={form.startup.entryMode === "generate"}
+                        onChange={(generate) =>
+                          updateForm("startup", {
+                            ...form.startup,
+                            entryMode: generate ? "generate" : "wait_user",
+                          })
+                        }
+                      />
+                    </div>
                   </div>
                 )}
               </SectionCard>
@@ -404,6 +427,7 @@ export function PromptEditor({
                     ) {
                       updateForm("startup", {
                         executionMode: "sequential",
+                        entryMode: "wait_user",
                         actions: [],
                         openingMessage: null,
                       });
diff --git a/frontend/src/components/pages/AssistantPage.tsx b/frontend/src/components/pages/AssistantPage.tsx
index c3faf90..9a29605 100644
--- a/frontend/src/components/pages/AssistantPage.tsx
+++ b/frontend/src/components/pages/AssistantPage.tsx
@@ -179,6 +179,7 @@ function blankPromptForm(name: string): AssistantForm {
     turnConfig: defaultTurnConfig(),
     startup: {
       executionMode: "sequential",
+      entryMode: "wait_user",
       actions: [],
       openingMessage: null,
     },
@@ -472,6 +473,7 @@ export function AssistantPage(props: AssistantPageProps) {
       turnConfig: normalizeTurnConfig(a.turnConfig),
       startup: {
         executionMode: "sequential",
+        entryMode: a.startup?.entryMode ?? "wait_user",
         actions: a.startup?.actions ?? [],
         openingMessage: a.startup?.openingMessage ?? null,
       },
@@ -546,6 +548,7 @@ export function AssistantPage(props: AssistantPageProps) {
       turnConfig: defaultTurnConfig(),
       startup: {
         executionMode: "sequential",
+        entryMode: "wait_user",
         actions: [],
         openingMessage: null,
       },
diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index 93b5dd8..ba5ea64 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -206,11 +206,13 @@ export type StartupAction = {
 
 export type StartupConfig = {
   executionMode: "sequential";
+  entryMode: "wait_user" | "generate";
   actions: StartupAction[];
   openingMessage: {
     title: string;
     message: string;
     confirmLabel: string;
+    skipSpeechOnConfirm: boolean;
   } | null;
 };