feat(ECR-019): ContentSafety FilterRule 只读并 Closed

新增 filter_rules、admin.content_safety.read、列表/详情/试匹配 API 与 admin-h5「安全」页；禁审核写/UGC/真支付。

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

apps/api/internal/handler/admin_content_safety.go

@@ -0,0 +1,63 @@
+package handler
+
+import (
+	"errors"
+	"net/http"
+
+	"github.com/gin-gonic/gin"
+	"github.com/google/uuid"
+
+	"github.com/yuxingu/digital-psychology/apps/api/internal/middleware"
+	"github.com/yuxingu/digital-psychology/apps/api/internal/service/admin"
+	"github.com/yuxingu/digital-psychology/apps/api/pkg/response"
+)
+
+func (h *AdminHandler) registerContentSafety(authed *gin.RouterGroup) {
+	g := authed.Group("/content-safety")
+	g.GET("/filter-rules", middleware.RequireAdminPermission(h.Svc, admin.PermContentSafetyRead), h.ListFilterRules)
+	g.GET("/filter-rules/:id", middleware.RequireAdminPermission(h.Svc, admin.PermContentSafetyRead), h.GetFilterRule)
+	g.POST("/evaluate", middleware.RequireAdminPermission(h.Svc, admin.PermContentSafetyRead), h.EvaluateContent)
+}
+
+func (h *AdminHandler) ListFilterRules(c *gin.Context) {
+	items, err := h.Svc.ListFilterRules(c.Request.Context())
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50022, "list filter rules failed")
+		return
+	}
+	response.OK(c, gin.H{"items": items})
+}
+
+func (h *AdminHandler) GetFilterRule(c *gin.Context) {
+	id, err := uuid.Parse(c.Param("id"))
+	if err != nil {
+		response.Fail(c, http.StatusBadRequest, 40002, "invalid id")
+		return
+	}
+	row, err := h.Svc.GetFilterRule(c.Request.Context(), id)
+	if errors.Is(err, admin.ErrFilterRuleNotFound) {
+		response.Fail(c, http.StatusNotFound, 40403, "filter rule not found")
+		return
+	}
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50023, "get filter rule failed")
+		return
+	}
+	response.OK(c, row)
+}
+
+func (h *AdminHandler) EvaluateContent(c *gin.Context) {
+	var body struct {
+		Text string `json:"text"`
+	}
+	if err := c.ShouldBindJSON(&body); err != nil {
+		response.Fail(c, http.StatusBadRequest, 40000, "invalid body")
+		return
+	}
+	matches, err := h.Svc.EvaluateContent(c.Request.Context(), body.Text)
+	if err != nil {
+		response.Fail(c, http.StatusInternalServerError, 50024, "evaluate failed")
+		return
+	}
+	response.OK(c, gin.H{"matches": matches})
+}