feat(intraday): monitor DeepSeek official page drift

scripts/materialize_daily_signals.go

@@ -95,6 +95,10 @@ type materializeDailySignalsConfig struct {
 var signalLogger *slog.Logger
 
 const signalUSDToCNY = 7.25
+const defaultDeepSeekNewsSignalURL = "https://api-docs.deepseek.com/news/news250120"
+const defaultDeepSeekPricingSignalURL = "https://platform.deepseek.com/pricing"
+const defaultDeepSeekAPIPricingSignalURL = "https://platform.deepseek.com/docs/api-pricing"
+
 
 func init() {
 	signalLogger = slog.New(slog.NewJSONHandler(os.Stderr, &slog.HandlerOptions{Level: slog.LevelInfo}))
@@ -373,6 +377,11 @@ func loadSignalModelEvents(db *sql.DB, date string) ([]signalModelEvent, error)
 		return nil, err
 	}
 	events = mergeVerifiedDiscoveryEvents(events, discoveryEvents)
+	deepseekDriftEvents, err := loadDeepSeekNewsDriftSignalEvents(db)
+	if err != nil {
+		return nil, err
+	}
+	events = mergeVerifiedDiscoveryEvents(events, deepseekDriftEvents)
 
 	sort.Slice(events, func(i, j int) bool {
 		if events[i].Priority != events[j].Priority {
@@ -954,6 +963,110 @@ func firstString(values []string) string {
 	return ""
 }
 
+func loadDeepSeekNewsDriftSignalEvents(db *sql.DB) ([]signalModelEvent, error) {
+	return loadDeepSeekSignatureSignalEvents(db, []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:         "适合需要尽快复查 DeepSeek 路线图与默认选型的团队",
+			EvidenceTemplate: "DeepSeek 官方新闻页结构签名发生变化：sha=%s previous=%s",
+			Baseline:         "官方新闻页结构漂移",
+			Summary:          "DeepSeek 官方新闻页结构发生变化，需优先确认是否出现新发布或路线图更新。",
+			Priority:         117,
+		},
+		{
+			SourceKey:        "deepseek_pricing_signature",
+			ModelName:        "DeepSeek 官方价格页",
+			SourceKindLabel:  "官方价格页结构变化",
+			PrimaryURL:       defaultDeepSeekPricingSignalURL,
+			Audience:         "适合需要尽快复查 DeepSeek 价格策略与默认成本模型的团队",
+			EvidenceTemplate: "DeepSeek 官方价格页结构签名发生变化：sha=%s previous=%s",
+			Baseline:         "官方价格页结构漂移",
+			Summary:          "DeepSeek 官方价格页结构发生变化，需优先确认是否出现价格策略更新。",
+			Priority:         116,
+		},
+		{
+			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:         "适合需要尽快复查 DeepSeek API 定价与预算预期的团队",
+			EvidenceTemplate: "DeepSeek API 定价页结构签名发生变化：sha=%s previous=%s",
+			Baseline:         "官方 API 定价页结构漂移",
+			Summary:          "DeepSeek API 定价页结构发生变化，需优先确认是否出现定价或套餐更新。",
+			Priority:         115,
+		},
+	})
+}
+
+type deepseekSignatureEventConfig struct {
+	SourceKey        string
+	ModelName        string
+	SourceKindLabel  string
+	PrimaryURL       string
+	Audience         string
+	EvidenceTemplate string
+	Baseline         string
+	Summary          string
+	Priority         int
+}
+
+func loadDeepSeekSignatureSignalEvents(db *sql.DB, configs []deepseekSignatureEventConfig) ([]signalModelEvent, error) {
+	if len(configs) == 0 {
+		return nil, nil
+	}
+	var events []signalModelEvent
+	for _, cfg := range configs {
+		_, rows, err := queryOfficialImportSignatureAuditWindow(db, 5, cfg.SourceKey, false)
+		if err != nil {
+			if strings.Contains(err.Error(), `relation "official_import_signature_audit_recent_view" does not exist`) ||
+				strings.Contains(err.Error(), `relation "official_import_signature_audit" does not exist`) {
+				return nil, nil
+			}
+			return nil, err
+		}
+		for _, row := range rows {
+			if row.RecentRank != 1 {
+				continue
+			}
+			if event, ok := buildDeepSeekSignatureSignalEvent(row, cfg); ok {
+				events = append(events, event)
+			}
+			break
+		}
+	}
+	return events, nil
+}
+
+func buildDeepSeekSignatureSignalEvent(row officialImportSignatureAuditViewRow, cfg deepseekSignatureEventConfig) (signalModelEvent, bool) {
+	if row.SourceKey != cfg.SourceKey || !row.DriftDetected {
+		return signalModelEvent{}, false
+	}
+	updatedAt := row.CheckedAt.Format("2006-01-02 15:04")
+	primarySource := nullStringOrNone(row.SnapshotPath)
+	if primarySource == "none" {
+		primarySource = cfg.PrimaryURL
+	}
+	return signalModelEvent{
+		EventType:       "official_release",
+		ModelName:       cfg.ModelName,
+		ProviderName:    "DeepSeek",
+		OperatorName:    "DeepSeek",
+		Audience:        cfg.Audience,
+		TrustLabel:      "官方来源 / 结构漂移告警",
+		SourceKindLabel: cfg.SourceKindLabel,
+		PrimarySource:   primarySource,
+		SourceURL:       cfg.PrimaryURL,
+		UpdatedAt:       updatedAt,
+		EvidenceDetail:  fmt.Sprintf(cfg.EvidenceTemplate, row.StructureSHA256, nullStringOrNone(row.PreviousObservedSHA256)),
+		Baseline:        cfg.Baseline,
+		Summary:         cfg.Summary,
+		Priority:        cfg.Priority,
+	}, true
+}
+
 func signalNormalizeIntradayEventType(value string) string {
 	switch strings.TrimSpace(strings.ToLower(value)) {
 	case "price_cut":