feat(intraday): monitor DeepSeek official page drift

scripts/materialize_daily_signals_test.go

@@ -92,3 +92,108 @@ func TestMergeVerifiedDiscoveryEventsDropsUnverifiedPriceNarrative(t *testing.T)
 		t.Fatalf("非正式 discovery 事件不应进入正式快照: %+v", merged)
 	}
 }
+
+func TestBuildDeepSeekNewsDriftEvent(t *testing.T) {
+	row := officialImportSignatureAuditViewRow{
+		SourceKey:           "deepseek_news_signature",
+		Status:              "drift_detected",
+		StructureState:      "changed",
+		StructureChanged:    true,
+		DriftDetected:       true,
+		BaselineInitialized: false,
+		StructureSHA256:     "abc123",
+	}
+	event, ok := buildDeepSeekSignatureSignalEvent(row, deepseekSignatureEventConfig{
+		SourceKey:        "deepseek_news_signature",
+		ModelName:        "DeepSeek 官方新闻页",
+		SourceKindLabel:  "官方新闻页结构变化",
+		PrimaryURL:       defaultDeepSeekNewsSignalURL,
+		Audience:         "a",
+		EvidenceTemplate: "news drift %s %s",
+		Baseline:         "官方新闻页结构漂移",
+		Summary:          "summary",
+		Priority:         117,
+	})
+	if !ok {
+		t.Fatal("期望为 drift 行生成正式信号事件")
+	}
+	if event.EventType != "official_release" {
+		t.Fatalf("DeepSeek drift 应映射为 official_release, got=%q", event.EventType)
+	}
+	if event.ProviderName != "DeepSeek" || event.ModelName != "DeepSeek 官方新闻页" {
+		t.Fatalf("DeepSeek drift 事件主体错误: %+v", event)
+	}
+}
+
+func TestBuildDeepSeekPricingDriftEvent(t *testing.T) {
+	row := officialImportSignatureAuditViewRow{
+		SourceKey:           "deepseek_pricing_signature",
+		Status:              "drift_detected",
+		StructureState:      "changed",
+		StructureChanged:    true,
+		DriftDetected:       true,
+		BaselineInitialized: false,
+		StructureSHA256:     "pricing123",
+	}
+	event, ok := buildDeepSeekSignatureSignalEvent(row, deepseekSignatureEventConfig{
+		SourceKey:        "deepseek_pricing_signature",
+		ModelName:        "DeepSeek 官方价格页",
+		SourceKindLabel:  "官方价格页结构变化",
+		PrimaryURL:       defaultDeepSeekPricingSignalURL,
+		Audience:         "a",
+		EvidenceTemplate: "pricing drift %s %s",
+		Baseline:         "官方价格页结构漂移",
+		Summary:          "pricing summary",
+		Priority:         116,
+	})
+	if !ok {
+		t.Fatal("期望为 pricing drift 行生成正式信号事件")
+	}
+	if event.ModelName != "DeepSeek 官方价格页" || event.SourceKindLabel != "官方价格页结构变化" {
+		t.Fatalf("pricing drift 事件映射错误: %+v", event)
+	}
+}
+
+func TestBuildDeepSeekAPIPricingDriftEvent(t *testing.T) {
+	row := officialImportSignatureAuditViewRow{
+		SourceKey:           "deepseek_api_pricing_signature",
+		Status:              "drift_detected",
+		StructureState:      "changed",
+		StructureChanged:    true,
+		DriftDetected:       true,
+		BaselineInitialized: false,
+		StructureSHA256:     "api123",
+	}
+	event, ok := buildDeepSeekSignatureSignalEvent(row, deepseekSignatureEventConfig{
+		SourceKey:        "deepseek_api_pricing_signature",
+		ModelName:        "DeepSeek API 定价页",
+		SourceKindLabel:  "官方 API 定价页结构变化",
+		PrimaryURL:       defaultDeepSeekAPIPricingSignalURL,
+		Audience:         "a",
+		EvidenceTemplate: "api drift %s %s",
+		Baseline:         "官方 API 定价页结构漂移",
+		Summary:          "api pricing summary",
+		Priority:         115,
+	})
+	if !ok {
+		t.Fatal("期望为 api pricing drift 行生成正式信号事件")
+	}
+	if event.ModelName != "DeepSeek API 定价页" || event.SourceKindLabel != "官方 API 定价页结构变化" {
+		t.Fatalf("api pricing drift 事件映射错误: %+v", event)
+	}
+}
+
+func TestBuildDeepSeekNewsDriftEventSkipsBaselineOnly(t *testing.T) {
+	row := officialImportSignatureAuditViewRow{
+		SourceKey:           "deepseek_news_signature",
+		Status:              "baseline_initialized",
+		StructureState:      "initial",
+		StructureChanged:    false,
+		DriftDetected:       false,
+		BaselineInitialized: true,
+		StructureSHA256:     "abc123",
+	}
+	if _, ok := buildDeepSeekSignatureSignalEvent(row, deepseekSignatureEventConfig{SourceKey: "deepseek_news_signature"}); ok {
+		t.Fatal("baseline 初始化不应直接进入正式信号")
+	}
+}