feat: add teacher help cards

ai_knowledge_base_v2/apps/backend/app/api/admin_records.py

@@ -16,12 +16,13 @@ from app.core.dependencies import get_current_admin
 from app.core.responses import api_success
 from app.models.admin import Admin
 from app.models.chat import ChatMessage, ChatSession, TopicSession
-from app.models.growth import TopicSummary
+from app.models.growth import TeacherHelpCard, TopicSummary
 from app.models.logs import AiRequestLog, OperationLog
 from app.models.user import User
 from app.api.pagination import page_result
 from app.services.question_insight_service import QuestionInsightService
 from app.services.growth_profile_service import topic_dict, topic_summary_dict
+from app.services.help_card_service import help_card_dict
 
 router = APIRouter()
 
@@ -138,6 +139,16 @@ def chat_detail(
         .order_by(AiRequestLog.created_at.asc(), AiRequestLog.id.asc())
     ).all()
     topics = _topic_rows(db, session_id)
+    topic_ids = [item["id"] for item in topics]
+    help_cards = []
+    if topic_ids:
+        help_cards = list(
+            db.scalars(
+                select(TeacherHelpCard)
+                .where(TeacherHelpCard.topic_session_id.in_(topic_ids))
+                .order_by(TeacherHelpCard.created_at.desc(), TeacherHelpCard.id.desc())
+            )
+        )
     return api_success(
         {
             "session": _chat_row_dict(session, user),
@@ -150,6 +161,7 @@ def chat_detail(
             ),
             "aiLogs": [_ai_log_dict(item, include_prompt=True) for item in ai_logs],
             "topics": topics,
+            "helpCards": [help_card_dict(item) for item in help_cards],
         }
     )
 

ai_knowledge_base_v2/apps/backend/app/api/chat.py

@@ -31,6 +31,7 @@ from app.services.chat_queue_runtime import (
 from app.services.chat_queue_service import load_chat_queue_config
 from app.services.chat_stream_service import ChatStreamService
 from app.services.growth_profile_service import GrowthProfileService
+from app.services.help_card_service import HelpCardService, help_card_dict
 from app.services.reasoning_policy_service import ReasoningPolicyService
 
 router = APIRouter()
@@ -96,6 +97,35 @@ def finish_topic(
     return api_success(GrowthProfileService.finish_active_topic(db, user=current_user, session=session))
 
 
+@router.post("/session/{session_id}/help-card")
+def generate_help_card(
+    session_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+) -> dict:
+    session = ChatService._get_user_session(db, current_user, session_id)
+    card = HelpCardService.generate_for_session(db, user=current_user, session=session)
+    return api_success(help_card_dict(card))
+
+
+@router.get("/help-card/list")
+def list_help_cards(
+    limit: int = Query(default=20, ge=1, le=50),
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+) -> dict:
+    return api_success([help_card_dict(card) for card in HelpCardService.list_user_cards(db, user=current_user, limit=limit)])
+
+
+@router.post("/help-card/{card_id}/copied")
+def mark_help_card_copied(
+    card_id: int,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+) -> dict:
+    return api_success(help_card_dict(HelpCardService.mark_copied(db, user=current_user, card_id=card_id)))
+
+
 @router.post("/completions")
 def completions(
     payload: ChatCompletionRequest,

ai_knowledge_base_v2/apps/backend/app/models/__init__.py

@@ -3,7 +3,7 @@ from app.models.ai_config import ModelConfig, Prompt, SystemConfig
 from app.models.base import Base
 from app.models.chat import ChatMessage, ChatSession, TopicSession
 from app.models.entitlement import EntitlementPlan, UserEntitlement, UserEntitlementLog
-from app.models.growth import GrowthProfileRevision, TopicSummary, UserGrowthProfile
+from app.models.growth import GrowthProfileRevision, TeacherHelpCard, TopicSummary, UserGrowthProfile
 from app.models.knowledge import (
     HumanAttentionHistory,
     HumanAttentionRecord,
@@ -55,6 +55,7 @@ __all__ = [
     "Prompt",
     "Role",
     "SystemConfig",
+    "TeacherHelpCard",
     "User",
     "UserEntitlement",
     "UserEntitlementLog",

ai_knowledge_base_v2/apps/backend/app/models/growth.py

@@ -2,7 +2,7 @@ from __future__ import annotations
 
 from datetime import datetime
 
-from sqlalchemy import BigInteger, DateTime, ForeignKey, Integer, String, Text, UniqueConstraint, func
+from sqlalchemy import BigInteger, DateTime, ForeignKey, Index, Integer, String, Text, UniqueConstraint, func
 from sqlalchemy.orm import Mapped, mapped_column
 
 from app.models.base import Base
@@ -64,3 +64,21 @@ class GrowthProfileRevision(Base):
     after_json: Mapped[str] = mapped_column(Text, nullable=False)
     reason: Mapped[str] = mapped_column(String(50), default="topic_summary", nullable=False)
     created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), nullable=False)
+
+
+class TeacherHelpCard(Base):
+    __tablename__ = "sys_teacher_help_card"
+    __table_args__ = (
+        Index("ix_sys_teacher_help_card_user_created", "user_id", "created_at"),
+        Index("ix_sys_teacher_help_card_topic_created", "topic_session_id", "created_at"),
+    )
+
+    id: Mapped[int] = mapped_column(PRIMARY_KEY_TYPE, primary_key=True, autoincrement=True)
+    user_id: Mapped[int] = mapped_column(ForeignKey("sys_user.id"), index=True, nullable=False)
+    topic_session_id: Mapped[int] = mapped_column(ForeignKey("sys_topic_session.id"), index=True, nullable=False)
+    summary_id: Mapped[int | None] = mapped_column(BigInteger, index=True, nullable=True)
+    content: Mapped[str] = mapped_column(Text, nullable=False)
+    source: Mapped[str] = mapped_column(String(30), default="topic_summary", nullable=False)
+    copied: Mapped[int] = mapped_column(Integer, default=0, nullable=False)
+    copied_at: Mapped[datetime | None] = mapped_column(DateTime, nullable=True)
+    created_at: Mapped[datetime] = mapped_column(DateTime, server_default=func.now(), nullable=False)

ai_knowledge_base_v2/apps/backend/app/services/help_card_service.py

@@ -0,0 +1,123 @@
+from __future__ import annotations
+
+from datetime import UTC, datetime
+
+from fastapi import HTTPException, status
+from sqlalchemy import select
+from sqlalchemy.orm import Session
+
+from app.models.chat import ChatSession, TopicSession
+from app.models.growth import TeacherHelpCard, TopicSummary
+from app.models.user import User
+from app.services.entitlement_service import EntitlementService
+from app.services.growth_profile_service import GrowthProfileService, topic_summary_dict
+
+
+class HelpCardService:
+    @staticmethod
+    def generate_for_session(db: Session, *, user: User, session: ChatSession) -> TeacherHelpCard:
+        entitlement = EntitlementService.active_entitlement(db, user)
+        if not entitlement.allow_help_card:
+            raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="当前权益暂不支持生成老师求助卡")
+
+        topic = _latest_topic(db, user=user, session=session)
+        if topic is None:
+            raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="当前会话还没有可生成求助卡的主题")
+
+        summary = GrowthProfileService.generate_topic_summary(db, user=user, topic=topic)
+        content = _render_help_card(user=user, topic=topic, summary=summary)
+        card = TeacherHelpCard(
+            user_id=user.id,
+            topic_session_id=topic.id,
+            summary_id=summary.id,
+            content=content,
+            source="topic_summary",
+        )
+        topic.help_card_generated = 1
+        db.add_all([topic, card])
+        db.commit()
+        db.refresh(card)
+        return card
+
+    @staticmethod
+    def list_user_cards(db: Session, *, user: User, limit: int = 20) -> list[TeacherHelpCard]:
+        return list(
+            db.scalars(
+                select(TeacherHelpCard)
+                .where(TeacherHelpCard.user_id == user.id)
+                .order_by(TeacherHelpCard.created_at.desc(), TeacherHelpCard.id.desc())
+                .limit(limit)
+            )
+        )
+
+    @staticmethod
+    def mark_copied(db: Session, *, user: User, card_id: int) -> TeacherHelpCard:
+        card = db.scalar(select(TeacherHelpCard).where(TeacherHelpCard.id == card_id, TeacherHelpCard.user_id == user.id))
+        if card is None:
+            raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail="求助卡不存在")
+        card.copied = 1
+        card.copied_at = _now()
+        db.add(card)
+        db.commit()
+        db.refresh(card)
+        return card
+
+
+def help_card_dict(card: TeacherHelpCard) -> dict:
+    return {
+        "id": card.id,
+        "userId": card.user_id,
+        "topicSessionId": card.topic_session_id,
+        "summaryId": card.summary_id,
+        "content": card.content,
+        "source": card.source,
+        "copied": bool(card.copied),
+        "copiedAt": card.copied_at,
+        "createdAt": card.created_at,
+    }
+
+
+def _latest_topic(db: Session, *, user: User, session: ChatSession) -> TopicSession | None:
+    return db.scalar(
+        select(TopicSession)
+        .where(TopicSession.user_id == user.id, TopicSession.chat_session_id == session.id)
+        .order_by(TopicSession.updated_at.desc(), TopicSession.id.desc())
+        .limit(1)
+    )
+
+
+def _render_help_card(*, user: User, topic: TopicSession, summary: TopicSummary) -> str:
+    data = topic_summary_dict(summary)
+    return (
+        "【给老师的求助卡】\n"
+        "说明：这是我根据本次 AI 对话整理出的求助信息，请老师帮我确认方向。"
+        "我会按实际情况自行删改后再发送。\n\n"
+        f"学员：{user.name or user.nickname or user.phone}\n"
+        f"主题：{topic.title}\n"
+        f"主题时间：{_format_time(topic.started_at)} - {_format_time(topic.ended_at) if topic.ended_at else '进行中'}\n\n"
+        "1. 我遇到的问题\n"
+        f"{topic.core_question or '（请补充）'}\n\n"
+        "2. AI 已经帮我梳理出的重点\n"
+        f"{data.get('summary') or '（暂无摘要）'}\n\n"
+        "3. 我现在最明显的情绪 / 身体感受\n"
+        f"情绪：{data.get('emotions') or '（请补充）'}\n"
+        f"身体感受：{data.get('bodyFeelings') or '（请补充）'}\n\n"
+        "4. 我已经尝试过或被建议的功课\n"
+        f"{data.get('recommendedHomework') or '（请补充）'}\n\n"
+        "5. 我仍然卡住的地方\n"
+        f"{data.get('beliefs') or data.get('nextObservation') or '（请补充）'}\n\n"
+        "6. 我想请老师确认的问题\n"
+        "（请把最想确认的一两个问题写在这里）\n\n"
+        "备注：这张卡片不会自动发送给老师，也不代表已经转人工处理。"
+    )
+
+
+def _format_time(value: datetime | None) -> str:
+    if value is None:
+        return "未知"
+    return value.strftime("%Y-%m-%d %H:%M")
+
+
+def _now() -> datetime:
+    return datetime.now(UTC).replace(tzinfo=None)
+