fix(conversation): topic chips after warmup + English chip copy

- Buffer topic_suggestions until chat UI attaches (uiOwner + callback); replay on attach
- build_topic_chips respects user language for label/text; router passes user_language

Co-authored-by: Cursor <cursoragent@cursor.com>

api/app/agents/chat/prompts_conversation.py

@@ -710,41 +710,47 @@ def build_topic_chips(
     empty_slots: List[str],
     *,
     max_chips: int = 4,
+    language: str = "zh",
 ) -> List[Dict[str, str]]:
     """根据当前阶段与空 slot 列表生成 quick-start 话题 chips。
 
     返回结构：[{"id": slot_key, "label": 短标签, "text": 用户点击后发出的句子}]
     """
+    slot_labels = slot_name_map_for(language)
     stage_bank = _STAGE_TOPIC_CHIP_BANK.get(current_stage) or []
     seen: set[str] = set()
     chips: List[Dict[str, str]] = []
 
     # 优先从「当前阶段空 slot」挑选（与开场提问方向一致）
     empty_set = {s for s in empty_slots if s}
-    for slot_key, label in stage_bank:
+    for slot_key, zh_label in stage_bank:
         if slot_key in empty_set and slot_key not in seen:
-            chips.append(
-                {
-                    "id": slot_key,
-                    "label": label,
-                    "text": f"我想聊聊{label}",
-                }
+            label = (
+                zh_label if language != "en" else slot_labels.get(slot_key, zh_label)
             )
+            text = (
+                f"I'd like to talk about {label}."
+                if language == "en"
+                else f"我想聊聊{label}"
+            )
+            chips.append({"id": slot_key, "label": label, "text": text})
             seen.add(slot_key)
             if len(chips) >= max_chips:
                 return chips
 
     # 不足则用阶段默认话题补齐
-    for slot_key, label in stage_bank:
+    for slot_key, zh_label in stage_bank:
         if slot_key in seen:
             continue
-        chips.append(
-            {
-                "id": slot_key,
-                "label": label,
-                "text": f"我想聊聊{label}",
-            }
+        label = (
+            zh_label if language != "en" else slot_labels.get(slot_key, zh_label)
         )
+        text = (
+            f"I'd like to talk about {label}."
+            if language == "en"
+            else f"我想聊聊{label}"
+        )
+        chips.append({"id": slot_key, "label": label, "text": text})
         seen.add(slot_key)
         if len(chips) >= max_chips:
             return chips

api/app/features/conversation/ws/router.py

@@ -235,6 +235,7 @@ async def websocket_endpoint(
                         memoir_state.current_stage,
                         empty_slots,
                         max_chips=settings.chat_topic_chips_max,
+                        language=user_language,
                     )
                     if not chips:
                         return

api/tests/test_interview_turn_plan.py

@@ -286,3 +286,13 @@ def test_plan_follow_when_no_empty_slots():
     )
     assert p.mode == "follow_user_only"
     assert p.low_information_reply is True
+
+
+def test_build_topic_chips_english_uses_slot_name_map_en():
+    from app.agents.chat.prompts_conversation import build_topic_chips
+
+    chips = build_topic_chips("childhood", ["place"], max_chips=2, language="en")
+    assert len(chips) >= 1
+    place_chip = next(c for c in chips if c["id"] == "place")
+    assert place_chip["label"] == "where you grew up"
+    assert place_chip["text"].startswith("I'd like to talk about")