feat(obs): 访问日志 SSOT 与 edge_health，去掉协议兼容层

Agent 仅上报 host_metrics/edge_health/access_logs；业务流量与 UV 由
Server 侧访问日志聚合。新增 of_node_edge_health 与 of_access_log_hourly，
删除 request_reports/openresty 吞吐路径；API 不再暴露 traffic_reports
与 openresty_rx|tx。心跳/离线默认阈值与回填迁移一并入库。

internal/apps/openflare/tasks/database_cleanup.go

@@ -20,10 +20,8 @@ const (
 	DatabaseCleanupTargetAccessLogs = "node_access_logs"
 	// DatabaseCleanupTargetMetricSnapshots is the API cleanup target for metric snapshots.
 	DatabaseCleanupTargetMetricSnapshots = "node_metric_snapshots"
-	// DatabaseCleanupTargetRequestReports is the API cleanup target for request reports.
-	DatabaseCleanupTargetRequestReports = "node_request_reports"
-	// DatabaseCleanupTargetObsOpenresty is the API cleanup target for OpenResty observations.
-	DatabaseCleanupTargetObsOpenresty = "node_obs_openresty"
+	// DatabaseCleanupTargetEdgeHealth is the API cleanup target for OpenResty edge health (connections).
+	DatabaseCleanupTargetEdgeHealth = "node_edge_health"
 	// DatabaseCleanupTargetObsFrps is the API cleanup target for FRPS observations.
 	DatabaseCleanupTargetObsFrps = "node_obs_frps"
 	// DatabaseCleanupTargetObsFrpc is the API cleanup target for FRPC observations.
@@ -33,8 +31,7 @@ const (
 var databaseCleanupTargets = map[string]string{
 	DatabaseCleanupTargetAccessLogs:      "访问日志",
 	DatabaseCleanupTargetMetricSnapshots: "性能快照",
-	DatabaseCleanupTargetRequestReports:  "请求聚合",
-	DatabaseCleanupTargetObsOpenresty:    "OpenResty 观测",
+	DatabaseCleanupTargetEdgeHealth:      "OpenResty 健康(连接)",
 	DatabaseCleanupTargetObsFrps:         "FRPS 观测",
 	DatabaseCleanupTargetObsFrpc:         "FRPC 观测",
 }
@@ -43,8 +40,7 @@ var databaseCleanupTargets = map[string]string{
 var databaseCleanupTableTTLDays = map[string]int{
 	DatabaseCleanupTargetAccessLogs:      analyticsrepo.TableTTLDaysNodeAccessLogs,
 	DatabaseCleanupTargetMetricSnapshots: analyticsrepo.TableTTLDaysNodeMetricSnapshots,
-	DatabaseCleanupTargetRequestReports:  analyticsrepo.TableTTLDaysNodeRequestReports,
-	DatabaseCleanupTargetObsOpenresty:    analyticsrepo.TableTTLDaysNodeObs,
+	DatabaseCleanupTargetEdgeHealth:      analyticsrepo.TableTTLDaysNodeObs,
 	DatabaseCleanupTargetObsFrps:         analyticsrepo.TableTTLDaysNodeObs,
 	DatabaseCleanupTargetObsFrpc:         analyticsrepo.TableTTLDaysNodeObs,
 }
@@ -165,8 +161,7 @@ func RunDatabaseAutoCleanupOnce(ctx context.Context, now time.Time) (*DatabaseAu
 	for _, target := range []string{
 		DatabaseCleanupTargetAccessLogs,
 		DatabaseCleanupTargetMetricSnapshots,
-		DatabaseCleanupTargetRequestReports,
-		DatabaseCleanupTargetObsOpenresty,
+		DatabaseCleanupTargetEdgeHealth,
 		DatabaseCleanupTargetObsFrps,
 		DatabaseCleanupTargetObsFrpc,
 	} {
@@ -201,10 +196,8 @@ func deleteAllObservabilityRows(ctx context.Context, target string) (int64, stri
 		deleted, err = model.DeleteAllOpenFlareAccessLogs(ctx)
 	case DatabaseCleanupTargetMetricSnapshots:
 		deleted, err = model.DeleteAllOpenFlareMetricSnapshots(ctx)
-	case DatabaseCleanupTargetRequestReports:
-		deleted, err = model.DeleteAllOpenFlareRequestReports(ctx)
-	case DatabaseCleanupTargetObsOpenresty:
-		deleted, err = model.DeleteAllOpenFlareNodeObservationOpenresty(ctx)
+	case DatabaseCleanupTargetEdgeHealth:
+		deleted, err = model.DeleteAllOpenFlareEdgeHealth(ctx)
 	case DatabaseCleanupTargetObsFrps:
 		deleted, err = model.DeleteAllOpenFlareNodeObservationFrps(ctx)
 	case DatabaseCleanupTargetObsFrpc:
@@ -236,10 +229,8 @@ func materializeObservabilityTableTTL(ctx context.Context, target string) (int64
 		eligible, err = model.DeleteOpenFlareAccessLogsBefore(ctx, cutoff)
 	case DatabaseCleanupTargetMetricSnapshots:
 		eligible, err = model.DeleteOpenFlareMetricSnapshotsBefore(ctx, cutoff)
-	case DatabaseCleanupTargetRequestReports:
-		eligible, err = model.DeleteOpenFlareRequestReportsBefore(ctx, cutoff)
-	case DatabaseCleanupTargetObsOpenresty:
-		eligible, err = model.DeleteOpenFlareNodeObservationOpenrestyBefore(ctx, cutoff)
+	case DatabaseCleanupTargetEdgeHealth:
+		eligible, err = model.DeleteOpenFlareEdgeHealthBefore(ctx, cutoff)
 	case DatabaseCleanupTargetObsFrps:
 		eligible, err = model.DeleteOpenFlareNodeObservationFrpsBefore(ctx, cutoff)
 	case DatabaseCleanupTargetObsFrpc:

internal/apps/openflare/tasks/database_cleanup_test.go

@@ -157,11 +157,11 @@ func TestRunDatabaseAutoCleanupOnceClampsRetentionToTableTTL(t *testing.T) {
 		CapturedAt:      now.Add(-40 * 24 * time.Hour),
 		CPUUsagePercent: 10,
 	}))
-	require.NoError(t, model.InsertOpenFlareRequestReport(ctx, &model.OpenFlareRequestReport{
-		NodeID:          "node-a",
-		WindowStartedAt: now.Add(-41 * 24 * time.Hour),
-		WindowEndedAt:   now.Add(-40 * 24 * time.Hour),
-		RequestCount:    15,
+	require.NoError(t, model.InsertOpenFlareEdgeHealth(ctx, &model.OpenFlareEdgeHealth{
+		NodeID:      "node-a",
+		CapturedAt:  now.Add(-40 * 24 * time.Hour),
+		Status:      "healthy",
+		Connections: 2,
 	}))
 
 	require.NoError(t, repository.SaveOrUpdateSystemConfig(ctx, model.ConfigKeyDatabaseAutoCleanupEnabled, "true"))
@@ -170,7 +170,7 @@ func TestRunDatabaseAutoCleanupOnceClampsRetentionToTableTTL(t *testing.T) {
 	summary, err := RunDatabaseAutoCleanupOnce(ctx, now)
 	require.NoError(t, err)
 	require.NotNil(t, summary)
-	require.Len(t, summary.Results, 6)
+	require.Len(t, summary.Results, 5)
 	assert.Equal(t, 1, summary.RetentionDays)
 
 	for _, result := range summary.Results {
@@ -189,9 +189,9 @@ func TestRunDatabaseAutoCleanupOnceClampsRetentionToTableTTL(t *testing.T) {
 	require.NoError(t, err)
 	assert.Empty(t, metricSnapshots)
 
-	requestReports, err := model.ListOpenFlareRequestReportsSince(ctx, "", time.Time{}, 0)
+	edgeHealth, err := model.ListOpenFlareEdgeHealth(ctx, "", time.Time{}, 0)
 	require.NoError(t, err)
-	assert.Empty(t, requestReports)
+	assert.Empty(t, edgeHealth)
 }
 
 func TestTableTTLDaysForCleanupTarget(t *testing.T) {