{
  "archiveVersion": "20260726-atlas-apu-incident-arc-static-v1",
  "schemaVersion": "atlas-apu-incident-arc/v1",
  "generatedFrom": "static Phase 10 fixture incident arc; no live persistence",
  "generatedAt": "2026-07-26T18:20:00.000Z",
  "source": "fixture",
  "incidentArcs": [
    {
      "incidentId": "INC-APU-20260726-001",
      "title": "Public API Interrupt And Recovery",
      "movementName": "Interrupt Drop / Recovery Bloom",
      "source": "fixture",
      "replaySeed": "B055",
      "engineVersion": "20260726-system-symphony-atlas-apu-live-v7",
      "commit": "c41d7624df550652c93373f60238a1259bafbf7a",
      "stateTransitionPath": ["warning", "critical", "warning", "healthy"],
      "notes": [
        "Static fixture arc for deterministic replay validation.",
        "No live incident persistence is enabled in Phase 10."
      ],
      "frames": [
        {
          "id": "api-pressure-warning-001",
          "phase": "warning",
          "label": "Grid pressure rises",
          "routeMode": "REPLAY",
          "replaySeed": "B055",
          "frame": {
            "timestamp": "2026-07-26T13:24:04.000Z",
            "evidenceMode": "preview",
            "previewEstateDerived": true,
            "stale": false,
            "previousScoreState": "healthy",
            "scoreState": "warning",
            "scoreLabel": "Warning",
            "stateVector": {
              "healthy": 0.42,
              "warning": 0.39,
              "critical": 0.09,
              "unknown": 0.1
            },
            "totalComponents": 5,
            "measuredComponents": 4,
            "warningCount": 2,
            "failureCount": 0,
            "unknownCount": 1,
            "unmeasuredCount": 1,
            "activeIncidents": 0,
            "knownServiceRatio": 0.8,
            "dominantStateReason": "Warning pressure leads because two measured services are degraded while one topology node is unmeasured.",
            "modulation": {
              "pressure": 0.39,
              "incidentPressure": 0.09,
              "errorPressure": 0.18,
              "latencyPressure": 0.46,
              "healthPressure": 0.58,
              "coveragePressure": 0.1,
              "spectralOpenness": 0.74,
              "staleDecay": 0,
              "hybridStateVector": {
                "healthy": 0.42,
                "warning": 0.39,
                "critical": 0.09,
                "unknown": 0.1
              }
            },
            "voices": [
              {
                "name": "atlas-systems",
                "displayName": "atlas-systems",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:atlas-systems",
                "measured_at": "2026-07-26T13:24:04.000Z",
                "latency_ms": 42,
                "uptime_pct": 99.95,
                "error_rate": 0,
                "depends_on": ["atlas-api-public"]
              },
              {
                "name": "atlas-api-public",
                "displayName": "atlas-api-public",
                "status": "degraded",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:atlas-api-public",
                "measured_at": "2026-07-26T13:24:04.000Z",
                "latency_ms": 280,
                "uptime_pct": 99.1,
                "error_rate": 0.014,
                "depends_on": ["github-pulse"]
              },
              {
                "name": "specular-sonify",
                "displayName": "specular-sonify",
                "status": "degraded",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:specular-sonify",
                "measured_at": "2026-07-26T13:24:04.000Z",
                "latency_ms": 230,
                "uptime_pct": 99.7,
                "error_rate": 0.006,
                "depends_on": ["atlas-api-public"]
              },
              {
                "name": "deploy-watch",
                "displayName": "deploy-watch",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:deploy-watch",
                "measured_at": "2026-07-26T13:24:04.000Z",
                "latency_ms": 36,
                "uptime_pct": 99.95,
                "error_rate": 0,
                "depends_on": []
              },
              {
                "name": "atlas-dep-audit",
                "displayName": "atlas-dep-audit",
                "status": "unknown",
                "measured": false,
                "evidenceState": "topology-only",
                "evidence_source": null,
                "measured_at": null,
                "latency_ms": null,
                "uptime_pct": null,
                "error_rate": null,
                "depends_on": []
              }
            ]
          }
        },
        {
          "id": "api-interrupt-critical-001",
          "phase": "critical",
          "label": "Interrupt drop",
          "routeMode": "REPLAY",
          "replaySeed": "B055",
          "frame": {
            "timestamp": "2026-07-26T13:28:44.000Z",
            "evidenceMode": "preview",
            "previewEstateDerived": true,
            "stale": false,
            "previousScoreState": "warning",
            "scoreState": "critical",
            "scoreLabel": "Critical",
            "stateVector": {
              "healthy": 0.0967,
              "warning": 0.241,
              "critical": 0.4834,
              "unknown": 0.1789
            },
            "totalComponents": 5,
            "measuredComponents": 4,
            "warningCount": 1,
            "failureCount": 1,
            "unknownCount": 1,
            "unmeasuredCount": 1,
            "activeIncidents": 1,
            "knownServiceRatio": 0.8,
            "dominantStateReason": "Critical overrides the mix because the public API is down and one active incident is present.",
            "modulation": {
              "pressure": 0.478328,
              "incidentPressure": 0.4834,
              "errorPressure": 0.401068,
              "latencyPressure": 0.1884,
              "healthPressure": 0.9033,
              "coveragePressure": 0.1789,
              "spectralOpenness": 0.881166,
              "staleDecay": 0.062615,
              "hybridStateVector": {
                "healthy": 0.0967,
                "warning": 0.241,
                "critical": 0.4834,
                "unknown": 0.1789
              }
            },
            "voices": [
              {
                "name": "atlas-systems",
                "displayName": "atlas-systems",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:atlas-systems",
                "measured_at": "2026-07-26T13:28:44.000Z",
                "latency_ms": 32,
                "uptime_pct": 99.95,
                "error_rate": 0,
                "depends_on": ["atlas-api-public"]
              },
              {
                "name": "atlas-api-public",
                "displayName": "atlas-api-public",
                "status": "down",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:atlas-api-public",
                "measured_at": "2026-07-26T13:28:44.000Z",
                "latency_ms": null,
                "uptime_pct": 92.4,
                "error_rate": 0.08,
                "depends_on": ["github-pulse"]
              },
              {
                "name": "specular-sonify",
                "displayName": "specular-sonify",
                "status": "degraded",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:specular-sonify",
                "measured_at": "2026-07-26T13:28:44.000Z",
                "latency_ms": 310,
                "uptime_pct": 99.95,
                "error_rate": 0.016,
                "depends_on": ["atlas-api-public"]
              },
              {
                "name": "deploy-watch",
                "displayName": "deploy-watch",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:deploy-watch",
                "measured_at": "2026-07-26T13:28:44.000Z",
                "latency_ms": 34,
                "uptime_pct": 99.95,
                "error_rate": 0,
                "depends_on": []
              },
              {
                "name": "atlas-dep-audit",
                "displayName": "atlas-dep-audit",
                "status": "unknown",
                "measured": false,
                "evidenceState": "topology-only",
                "evidence_source": null,
                "measured_at": null,
                "latency_ms": null,
                "uptime_pct": null,
                "error_rate": null,
                "depends_on": []
              }
            ]
          }
        },
        {
          "id": "api-recovery-warning-001",
          "phase": "recovery",
          "label": "Pressure release",
          "routeMode": "REPLAY",
          "replaySeed": "B055",
          "frame": {
            "timestamp": "2026-07-26T13:33:14.000Z",
            "evidenceMode": "preview",
            "previewEstateDerived": true,
            "stale": false,
            "previousScoreState": "critical",
            "scoreState": "warning",
            "scoreLabel": "Warning",
            "stateVector": {
              "healthy": 0.52,
              "warning": 0.31,
              "critical": 0.05,
              "unknown": 0.12
            },
            "totalComponents": 5,
            "measuredComponents": 4,
            "warningCount": 1,
            "failureCount": 0,
            "unknownCount": 1,
            "unmeasuredCount": 1,
            "activeIncidents": 0,
            "knownServiceRatio": 0.8,
            "dominantStateReason": "Recovery is audible: the active incident cleared, with residual warning pressure still present.",
            "modulation": {
              "pressure": 0.31,
              "incidentPressure": 0.05,
              "errorPressure": 0.08,
              "latencyPressure": 0.28,
              "healthPressure": 0.48,
              "coveragePressure": 0.12,
              "spectralOpenness": 0.82,
              "staleDecay": 0,
              "hybridStateVector": {
                "healthy": 0.52,
                "warning": 0.31,
                "critical": 0.05,
                "unknown": 0.12
              }
            },
            "voices": [
              {
                "name": "atlas-systems",
                "displayName": "atlas-systems",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:atlas-systems",
                "measured_at": "2026-07-26T13:33:14.000Z",
                "latency_ms": 38,
                "uptime_pct": 99.95,
                "error_rate": 0,
                "depends_on": ["atlas-api-public"]
              },
              {
                "name": "atlas-api-public",
                "displayName": "atlas-api-public",
                "status": "degraded",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:atlas-api-public",
                "measured_at": "2026-07-26T13:33:14.000Z",
                "latency_ms": 180,
                "uptime_pct": 99.4,
                "error_rate": 0.004,
                "depends_on": ["github-pulse"]
              },
              {
                "name": "specular-sonify",
                "displayName": "specular-sonify",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:specular-sonify",
                "measured_at": "2026-07-26T13:33:14.000Z",
                "latency_ms": 90,
                "uptime_pct": 99.95,
                "error_rate": 0.001,
                "depends_on": ["atlas-api-public"]
              },
              {
                "name": "deploy-watch",
                "displayName": "deploy-watch",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:deploy-watch",
                "measured_at": "2026-07-26T13:33:14.000Z",
                "latency_ms": 34,
                "uptime_pct": 99.95,
                "error_rate": 0,
                "depends_on": []
              },
              {
                "name": "atlas-dep-audit",
                "displayName": "atlas-dep-audit",
                "status": "unknown",
                "measured": false,
                "evidenceState": "topology-only",
                "evidence_source": null,
                "measured_at": null,
                "latency_ms": null,
                "uptime_pct": null,
                "error_rate": null,
                "depends_on": []
              }
            ]
          }
        },
        {
          "id": "api-recovered-healthy-001",
          "phase": "recovered",
          "label": "Recovery bloom",
          "routeMode": "REPLAY",
          "replaySeed": "B055",
          "frame": {
            "timestamp": "2026-07-26T13:37:04.000Z",
            "evidenceMode": "preview",
            "previewEstateDerived": true,
            "stale": false,
            "previousScoreState": "critical",
            "scoreState": "healthy",
            "scoreLabel": "Healthy",
            "stateVector": {
              "healthy": 0.91,
              "warning": 0.05,
              "critical": 0,
              "unknown": 0.04
            },
            "totalComponents": 5,
            "measuredComponents": 5,
            "warningCount": 0,
            "failureCount": 0,
            "unknownCount": 0,
            "unmeasuredCount": 0,
            "activeIncidents": 0,
            "knownServiceRatio": 1,
            "dominantStateReason": "Recovery marker: measured services returned to healthy and the incident pressure resolved.",
            "modulation": {
              "pressure": 0.05,
              "incidentPressure": 0,
              "errorPressure": 0,
              "latencyPressure": 0.08,
              "healthPressure": 0.09,
              "coveragePressure": 0,
              "spectralOpenness": 0.96,
              "staleDecay": 0,
              "hybridStateVector": {
                "healthy": 0.91,
                "warning": 0.05,
                "critical": 0,
                "unknown": 0.04
              }
            },
            "voices": [
              {
                "name": "atlas-systems",
                "displayName": "atlas-systems",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:atlas-systems",
                "measured_at": "2026-07-26T13:37:04.000Z",
                "latency_ms": 32,
                "uptime_pct": 99.95,
                "error_rate": 0,
                "depends_on": ["atlas-api-public"]
              },
              {
                "name": "atlas-api-public",
                "displayName": "atlas-api-public",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:atlas-api-public",
                "measured_at": "2026-07-26T13:37:04.000Z",
                "latency_ms": 40,
                "uptime_pct": 99.95,
                "error_rate": 0,
                "depends_on": ["github-pulse"]
              },
              {
                "name": "specular-sonify",
                "displayName": "specular-sonify",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:specular-sonify",
                "measured_at": "2026-07-26T13:37:04.000Z",
                "latency_ms": 44,
                "uptime_pct": 99.95,
                "error_rate": 0,
                "depends_on": ["atlas-api-public"]
              },
              {
                "name": "deploy-watch",
                "displayName": "deploy-watch",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:deploy-watch",
                "measured_at": "2026-07-26T13:37:04.000Z",
                "latency_ms": 30,
                "uptime_pct": 99.95,
                "error_rate": 0,
                "depends_on": []
              },
              {
                "name": "atlas-dep-audit",
                "displayName": "atlas-dep-audit",
                "status": "healthy",
                "measured": true,
                "evidenceState": "current",
                "evidence_source": "archive:atlas-dep-audit",
                "measured_at": "2026-07-26T13:37:04.000Z",
                "latency_ms": 58,
                "uptime_pct": 99.9,
                "error_rate": 0,
                "depends_on": []
              }
            ]
          }
        }
      ]
    }
  ]
}
