0.11.0: 旗舰版功能补齐(License/登录记录/会话管理/角色管理/门户定时任务/模型配额/输出脱敏/供应链扫描/记忆管理/AI助手/真实概览)

- 新增迁移 000031-000034(登录日志/角色/模型配额/记忆)
- 新增包: license/memory/modelquota/assistant,扫描引擎
- 全部功能后端+前端+端到端验证通过(25 包单测)

internal/portal/conversations.go

@@ -36,6 +36,60 @@ type Conversation struct {
 	UpdatedAt       time.Time             `json:"updated_at"`
 }
 
+// ListConversations 返回当前用户在某应用下的会话列表(不含消息体)。
+func (s *Service) ListConversations(ctx context.Context, account identity.Account, code string, limit int) ([]Conversation, error) {
+	if limit < 1 || limit > 200 {
+		limit = 50
+	}
+	rows, err := s.pool.Query(ctx, `SELECT c.id::text,a.code,c.title,c.status,c.created_at,c.updated_at
+		FROM gateway.portal_conversations c JOIN gateway.applications a ON a.id=c.application_id
+		WHERE c.portal_user_id=$1 AND a.code=$2 ORDER BY c.updated_at DESC LIMIT $3`, account.ID, strings.ToLower(strings.TrimSpace(code)), limit)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []Conversation{}
+	for rows.Next() {
+		var item Conversation
+		if err := rows.Scan(&item.ID, &item.ApplicationCode, &item.Title, &item.Status, &item.CreatedAt, &item.UpdatedAt); err != nil {
+			return nil, err
+		}
+		items = append(items, item)
+	}
+	return items, rows.Err()
+}
+
+// RenameConversation 重命名会话(仅本人)。
+func (s *Service) RenameConversation(ctx context.Context, account identity.Account, code, id, title string) (Conversation, error) {
+	title = strings.TrimSpace(title)
+	if title == "" || len(title) > 128 {
+		return Conversation{}, errors.New("会话标题必须为 1-128 个字符")
+	}
+	var item Conversation
+	err := s.pool.QueryRow(ctx, `UPDATE gateway.portal_conversations c SET title=$3,updated_at=clock_timestamp()
+		FROM gateway.applications a WHERE a.id=c.application_id AND c.id=$1 AND c.portal_user_id=$2 AND a.code=$4
+		RETURNING c.id::text,a.code,c.title,c.status,c.created_at,c.updated_at`,
+		id, account.ID, title, strings.ToLower(strings.TrimSpace(code))).Scan(&item.ID, &item.ApplicationCode, &item.Title, &item.Status, &item.CreatedAt, &item.UpdatedAt)
+	if errors.Is(err, pgx.ErrNoRows) {
+		return Conversation{}, ErrNotFound
+	}
+	return item, err
+}
+
+// DeleteConversation 删除会话及全部消息(仅本人)。
+func (s *Service) DeleteConversation(ctx context.Context, account identity.Account, code, id string) error {
+	tag, err := s.pool.Exec(ctx, `DELETE FROM gateway.portal_conversations c USING gateway.applications a
+		WHERE a.id=c.application_id AND c.id=$1 AND c.portal_user_id=$2 AND a.code=$3`,
+		id, account.ID, strings.ToLower(strings.TrimSpace(code)))
+	if err != nil {
+		return err
+	}
+	if tag.RowsAffected() == 0 {
+		return ErrNotFound
+	}
+	return nil
+}
+
 func (s *Service) CreateConversation(ctx context.Context, account identity.Account, code string) (Conversation, error) {
 	app, err := s.assets.GetPublishedApplicationByCode(ctx, strings.ToLower(strings.TrimSpace(code)))
 	if err != nil || !visible(app.DepartmentIDs, account.DepartmentID) {