feat(ECR-020): QualityFeedback 问答质量反馈并 Closed

新增 ask_quality_feedback、运营/C端评分 API 与 admin-h5 问答反馈区；禁改消息/UGC/真支付。

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

apps/api/internal/service/ask/feedback.go

@@ -0,0 +1,42 @@
+package ask
+
+import (
+	"context"
+	"errors"
+	"strings"
+
+	"github.com/google/uuid"
+
+	"github.com/yuxingu/digital-psychology/apps/api/internal/repository"
+)
+
+// SubmitFeedbackInput for C-end QualityFeedback.
+type SubmitFeedbackInput struct {
+	MessageID *uuid.UUID
+	Rating    int
+	Tag       string
+	Note      string
+}
+
+// SubmitFeedback records user QualityFeedback on owned thread.
+func (s *Service) SubmitFeedback(ctx context.Context, userID, threadID uuid.UUID, in SubmitFeedbackInput) (*repository.QualityFeedbackRow, error) {
+	var tagPtr, notePtr *string
+	if t := strings.TrimSpace(in.Tag); t != "" {
+		tagPtr = &t
+	}
+	if n := strings.TrimSpace(in.Note); n != "" {
+		notePtr = &n
+	}
+	row, err := s.Ask.CreateUserQualityFeedback(ctx, userID, threadID, in.MessageID, in.Rating, tagPtr, notePtr)
+	if err == nil {
+		return row, nil
+	}
+	msg := err.Error()
+	if strings.Contains(msg, "rating") || strings.Contains(msg, "tag") || strings.Contains(msg, "note") {
+		return nil, errors.New(msg)
+	}
+	if strings.Contains(msg, "thread not found") {
+		return nil, errors.New("ask thread not found")
+	}
+	return nil, err
+}