Initial commit: Happy Up monorepo through Sprint 5.

Document-driven MVP with FastAPI backend, Vue H5, WeChat mini shell, product demo, and Docker dev stack.

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

apps/api/app/routers/reports.py

@@ -0,0 +1,67 @@
+from fastapi import APIRouter, Depends, Request
+from fastapi.responses import JSONResponse, Response
+from sqlalchemy.orm import Session
+
+from app.core.response import error, ok
+from app.db.models import Child, User
+from app.db.session import get_db
+from app.deps import get_current_user
+from app.services import pdf_export, reports as report_service
+
+router = APIRouter(prefix="/api/reports", tags=["Reports"])
+
+
+@router.get("")
+def list_reports(
+    childId: int,
+    request: Request,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    reports = report_service.list_reports_for_child(db, current_user.id, childId)
+    if reports is None:
+        return JSONResponse(
+            status_code=404,
+            content=error(10004, "child_not_found", request.state.request_id),
+        )
+    items = [report_service.report_to_dict(report) for report in reports]
+    return ok({"list": items}, request_id=request.state.request_id)
+
+
+@router.get("/{report_id}")
+def get_report(
+    report_id: int,
+    request: Request,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    report = report_service.get_report_for_user(db, current_user.id, report_id)
+    if not report:
+        return JSONResponse(
+            status_code=404,
+            content=error(10008, "report_not_found", request.state.request_id),
+        )
+    return ok(report_service.report_to_dict(report), request_id=request.state.request_id)
+
+
+@router.get("/{report_id}/pdf")
+def export_report_pdf(
+    report_id: int,
+    request: Request,
+    db: Session = Depends(get_db),
+    current_user: User = Depends(get_current_user),
+):
+    report = report_service.get_report_for_user(db, current_user.id, report_id)
+    if not report:
+        return JSONResponse(
+            status_code=404,
+            content=error(10008, "report_not_found", request.state.request_id),
+        )
+    child = db.get(Child, report.child_id)
+    pdf_bytes = pdf_export.build_report_pdf(report, child)
+    filename = f"happy-up-report-{report_id}.pdf"
+    return Response(
+        content=pdf_bytes,
+        media_type="application/pdf",
+        headers={"Content-Disposition": f'attachment; filename="{filename}"'},
+    )