feat(通知): SafeW 只发正文并注入推送时间

去掉渠道标题前缀，模板可用 pushedAt 显示本地推送时间。

internal/notify/service_test.go

@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/json"
 	"errors"
+	"strings"
 	"testing"
 
 	"aiaa-notification-service/internal/engine"
@@ -28,9 +29,15 @@ func (f *fakeTemplates) GetTemplate(context.Context, int) (*model.Template, erro
 	return f.tmpl, f.err
 }
 
-type fakeRouter struct{ channels []string }
+type fakeRouter struct {
+	channels []string
+	title    string
+	content  string
+}
 
-func (f *fakeRouter) Route(context.Context, *model.Rule, string, string) []string {
+func (f *fakeRouter) Route(_ context.Context, _ *model.Rule, title, content string) []string {
+	f.title = title
+	f.content = content
 	return f.channels
 }
 
@@ -111,6 +118,29 @@ func TestProcessTemplateCanSwitchOnEvent(t *testing.T) {
 	}
 }
 
+func TestProcessInjectsPushedAt(t *testing.T) {
+	rt := &fakeRouter{channels: []string{"safew:1"}}
+	svc := newSvc(
+		&fakeMatcher{rule: &model.Rule{ID: 9, TemplateID: 1}},
+		&fakeTemplates{tmpl: &model.Template{ID: 1, Content: `{{line "推送时间" .pushedAt}}`}},
+		rt,
+	)
+	res, err := svc.Process(context.Background(), Request{
+		Source: &model.Source{ID: 1, Name: "crypto-strategy"},
+		Event:  "trade.open",
+		Data:   map[string]interface{}{"symbol": "QNT"},
+	})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if !res.Matched {
+		t.Fatalf("%+v", res)
+	}
+	if !strings.Contains(rt.content, "推送时间：") {
+		t.Fatalf("content=%q", rt.content)
+	}
+}
+
 func TestProcessInvalidConditions(t *testing.T) {
 	raw := json.RawMessage(`not-json`)
 	svc := newSvc(&fakeMatcher{rule: &model.Rule{ID: 1, TemplateID: 1, Conditions: &raw}}, &fakeTemplates{}, &fakeRouter{})