diff --git a/docs/contract-additions/runtime-causality-contracts-v0.md b/docs/contract-additions/runtime-causality-contracts-v0.md
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+# Runtime Causality Contracts v0
+
+This additive contract slice introduces runtime-causality records derived from ordered diagnostic evidence. The goal is to collapse opaque operating-system log storms into typed, bounded, user-explainable evidence objects.
+
+The slice now covers both first-pass runtime signals and second-pass causality envelopes: retry loops, security verdict availability, layered network truth, browser launch transactions, runtime identity graphs, desktop-service broker state, maintenance epochs, registry integrity, boot/session phase gates, and diagnostic-storm summaries.
+
+## Added schemas
+
+| File | Type | URN prefix | Purpose |
+|---|---|---|---|
+| `schemas/RetryLoopFingerprint.json` | `RetryLoopFingerprint` | `urn:srcos:retry-loop:` | Summarize repeated runtime failures with count, cadence, retry class, terminal state, policy validity, and remediation. |
+| `schemas/SecurityVerdictState.json` | `SecurityVerdictState` | `urn:srcos:security-verdict:` | Represent security decision availability, including degraded states such as no verdict provider, invalid provider, unavailable policy, or insufficient evidence. |
+| `schemas/NetworkTruthState.json` | `NetworkTruthState` | `urn:srcos:network-truth:` | Preserve layered connectivity truth instead of reducing network state to online/offline. |
+| `schemas/BrowserLaunchTransaction.json` | `BrowserLaunchTransaction` | `urn:srcos:browser-launch-transaction:` | Model browser launch as a preflight transaction before WebContent/GPU/Networking child processes are allowed to spawn. |
+| `schemas/RuntimeIdentityGraph.json` | `RuntimeIdentityGraph` | `urn:srcos:runtime-identity-graph:` | Connect app, helper, broker, package, executable, audit-token, profile, and session identity observations. |
+| `schemas/DesktopServiceBrokerState.json` | `DesktopServiceBrokerState` | `urn:srcos:desktop-service-broker-state:` | Represent broker availability for pasteboard, launcher, core-services, file-provider, notification, extension-registry, intents, network-settings, credential, and URL-opening surfaces. |
+| `schemas/MaintenanceEpoch.json` | `MaintenanceEpoch` | `urn:srcos:maintenance-epoch:` | Bound cleanup, cache-delete, indexing, backup, plugin-scan, cloud-purge, experiment-refresh, and registry-sweep maintenance work. |
+| `schemas/RuntimeRegistryIntegrityRecord.json` | `RuntimeRegistryIntegrityRecord` | `urn:srcos:runtime-registry-integrity:` | Describe package receipt, extension record, broker record, manifest, launch-record, profile, and namespace-descriptor integrity. |
+| `schemas/BootSessionPhaseState.json` | `BootSessionPhaseState` | `urn:srcos:boot-session-phase:` | Gate services by sealed boot, pre-login, post-login locked, unlocked user session, degraded session, or recovery session. |
+| `schemas/DiagnosticStormRecord.json` | `DiagnosticStormRecord` | `urn:srcos:diagnostic-storm:` | Summarize repeated diagnostic signatures with count, cadence, severity, representative samples, suppression policy, and terminal state. |
+
+## Added examples
+
+| File | Scenario |
+|---|---|
+| `examples/retry_loop_fingerprint.json` | Full Disk Access/TCC denial loop collapsed into one bounded fingerprint. |
+| `examples/security_verdict_state.json` | Network-flow observation where the verdict provider is unavailable. |
+| `examples/network_truth_state.json` | Wi-Fi radio active but no association, failed route, and degraded DNS/DHCP observers. |
+| `examples/browser_launch_transaction.json` | Browser launch prevented before child-process spawn because broker and extension-registry preflight failed. |
+| `examples/runtime_identity_graph.json` | BearBrowser app and WebContent child process identity resolved as a degraded runtime graph. |
+| `examples/desktop_service_broker_state.json` | Pasteboard, CoreServices, and extension-registry brokers degraded for browser child-process launch. |
+| `examples/maintenance_epoch.json` | deleted/triald registry and experiment sweep bounded as a degraded maintenance epoch. |
+| `examples/runtime_registry_integrity_record.json` | LaunchServices extension-record and treatment namespace-descriptor failures captured as registry-integrity evidence. |
+| `examples/boot_session_phase_state.json` | post-login locked session blocks analytics and registry-cleanup components until unlock. |
+| `examples/diagnostic_storm_record.json` | triald missing-namespace descriptor storm summarized with count, cadence, and suppression policy. |
+
+## Design intent
+
+The records are designed to support SourceOS doctor flows, browser diagnostics, terminal diagnostics, mesh/network intelligence, and forensic evidence receipts. They intentionally avoid platform-specific names in schema fields while allowing platform-specific event evidence through `evidenceRefs`.
+
+## Observed failure classes covered
+
+- Permission-denied polling loops.
+- Security monitors that see flows but cannot attach verdicts.
+- Network path ambiguity where radio, route, DNS, DHCP, captive portal, and internet reachability disagree.
+- Browser child-process launch failures caused by missing desktop brokers, invalid registries, or denied service lookups.
+- Runtime identity ambiguity across app, child process, helper, audit-token, and package boundaries.
+- Background maintenance storms caused by cleanup, registry, experiment, backup, cloud purge, or plugin-scan activity.
+- Registry integrity failures involving missing extension records, package receipts, broker records, and namespace descriptors.
+- Boot/session phase failures where locked state prevents keyring, analytics, registry, or user-store access.
+- Diagnostic storms that need first-seen, last-seen, count, cadence, sample events, suppression policy, terminal state, and remediation.
+
+## Downstream consumers
+
+- SourceOS doctor and workstation health reports.
+- BearBrowser launch preflight and child-process attestation.
+- TurtleTerm terminal helper preflight and broker checks.
+- MeshRush/Meshrush network-truth and peer-path evaluation.
+- Prophet Platform evidence receipts and FogStack runtime readiness checks.
+- Sociosphere estate-control observability where runtime state must be summarized without losing causality.
+
+## Implementation notes
+
+These schemas are additive. They do not replace `TelemetryEvent`, `PolicyDecision`, `ExecutionDecision`, or `RunRecord`; instead, they summarize and relate those lower-level observations into user-readable runtime-causality records.
+
+The minimum viable runtime flow is:
+
+1. Capture raw telemetry.
+2. Normalize repeated signatures into `RetryLoopFingerprint` and `DiagnosticStormRecord`.
+3. Attach contextual truth with `NetworkTruthState`, `SecurityVerdictState`, `BootSessionPhaseState`, and `RuntimeRegistryIntegrityRecord`.
+4. Gate app launches through `RuntimeIdentityGraph`, `DesktopServiceBrokerState`, and `BrowserLaunchTransaction`.
+5. Bound cleanup/indexing/config refresh through `MaintenanceEpoch`.
+
+## Follow-up work
+
+- Add central `schemas/README.md` catalog rows for these ten types.
+- Add validation automation that maps schema titles to snake_case examples.
+- Add an example storm-log parser that emits these records from ordered logs.
+- Wire SourceOS shell, BearBrowser, TurtleTerm, and MeshRush consumers to these contracts.
diff --git a/examples/boot_session_phase_state.json b/examples/boot_session_phase_state.json
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+++ b/examples/boot_session_phase_state.json
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+{
+  "id": "urn:srcos:boot-session-phase:post_login_locked_001",
+  "type": "BootSessionPhaseState",
+  "specVersion": "2.0.0",
+  "observedAt": "2026-05-06T22:36:15Z",
+  "bootId": "boot-20260506-001",
+  "sessionId": "session-501-post-login-locked",
+  "phase": "post-login-locked",
+  "phaseVerdict": "not-ready",
+  "availableKeyrings": [],
+  "availablePortals": ["notification"],
+  "allowedComponents": [
+    {
+      "componentRef": "urn:srcos:component:basic-network-observer",
+      "state": "allowed-degraded",
+      "reason": "May observe interface transitions but cannot access unlocked user analytics state."
+    }
+  ],
+  "blockedComponents": [
+    {
+      "componentRef": "urn:srcos:component:wifianalyticsd",
+      "requiredPhase": "unlocked-user-session",
+      "state": "deferred",
+      "reason": "Device has not been unlocked since boot, so analytics client and detached signature stores are unavailable.",
+      "remediationHint": "Defer analytics sampling until the user session reaches unlocked-user-session."
+    },
+    {
+      "componentRef": "urn:srcos:component:deleted-registry-sweep",
+      "requiredPhase": "unlocked-user-session",
+      "state": "deferred",
+      "reason": "Registry cleanup requires unlocked stores and should not run during locked post-login state.",
+      "remediationHint": "Queue cleanup until unlock or recovery session."
+    }
+  ],
+  "evidenceRefs": [
+    "urn:srcos:telemetry:te_device_not_unlocked_since_boot",
+    "urn:srcos:telemetry:te_key_store_locked"
+  ],
+  "userVisibleSummary": "The session is post-login but still locked; components requiring unlocked state must be deferred.",
+  "remediationHint": "Transition to unlocked-user-session before running analytics, registry repair, or browser launch preflight requiring user stores."
+}
diff --git a/examples/browser_launch_transaction.json b/examples/browser_launch_transaction.json
new file mode 100644
index 0000000..8ce58c1
--- /dev/null
+++ b/examples/browser_launch_transaction.json
@@ -0,0 +1,24 @@
+{
+  "id": "urn:srcos:browser-launch-transaction:bearbrowser_001",
+  "type": "BrowserLaunchTransaction",
+  "specVersion": "2.0.0",
+  "componentRef": "urn:srcos:component:BearBrowser",
+  "phaseStatus": "preflight",
+  "capabilityPreflightPassed": false,
+  "identityGraphValid": true,
+  "desktopBrokerValid": false,
+  "profileStoreValid": true,
+  "extensionRegistryValid": false,
+  "networkTruthSnapshotCaptured": true,
+  "childProcessSpawnAllowed": false,
+  "childProcessAttested": false,
+  "pageLoadStarted": false,
+  "observedAt": "2026-05-06T22:37:03Z",
+  "evidenceRefs": [
+    "urn:srcos:telemetry:te_child_process_failed",
+    "urn:srcos:telemetry:te_launchservices_denied",
+    "urn:srcos:telemetry:te_pasteboard_denied"
+  ],
+  "userVisibleImpact": "WebContent child processes cannot spawn due to missing broker and extension validation",
+  "remediationHint": "Verify desktop broker availability and extension registry integrity before retrying launch."
+}
diff --git a/examples/desktop_service_broker_state.json b/examples/desktop_service_broker_state.json
new file mode 100644
index 0000000..c45dbaf
--- /dev/null
+++ b/examples/desktop_service_broker_state.json
@@ -0,0 +1,38 @@
+{
+  "id": "urn:srcos:desktop-service-broker-state:bearbrowser_001",
+  "type": "DesktopServiceBrokerState",
+  "specVersion": "2.0.0",
+  "observedAt": "2026-05-06T22:37:03Z",
+  "componentRef": "urn:srcos:component:BearBrowser",
+  "overallState": "degraded",
+  "brokers": [
+    {
+      "brokerKind": "pasteboard",
+      "state": "policy-blocked",
+      "fallback": "disable clipboard integration for WebContent child processes",
+      "userVisibleImpact": "Copy and paste may be unavailable inside sandboxed web content.",
+      "remediationHint": "Route pasteboard access through the desktop broker and require user gesture gating."
+    },
+    {
+      "brokerKind": "core-services",
+      "state": "policy-blocked",
+      "fallback": "prevent child-process LaunchServices/CoreServices lookup",
+      "userVisibleImpact": "Browser child process cannot directly register with host desktop services.",
+      "remediationHint": "Move host desktop service calls into a parent-process broker."
+    },
+    {
+      "brokerKind": "extension-registry",
+      "state": "degraded",
+      "fallback": "quarantine extension discovery for this launch transaction",
+      "userVisibleImpact": "Extensions are disabled until registry integrity is verified.",
+      "remediationHint": "Rebuild or refresh the extension registry before enabling extension discovery."
+    }
+  ],
+  "evidenceRefs": [
+    "urn:srcos:telemetry:te_pasteboard_denied",
+    "urn:srcos:telemetry:te_coreservices_denied",
+    "urn:srcos:telemetry:te_extension_query_cancelled"
+  ],
+  "userVisibleSummary": "Desktop service brokers are degraded for BearBrowser, so child-process desktop access must remain brokered or disabled.",
+  "remediationHint": "Verify pasteboard, CoreServices, and extension-registry brokers before spawning WebContent."
+}
diff --git a/examples/diagnostic_storm_record.json b/examples/diagnostic_storm_record.json
new file mode 100644
index 0000000..39b1e77
--- /dev/null
+++ b/examples/diagnostic_storm_record.json
@@ -0,0 +1,30 @@
+{
+  "id": "urn:srcos:diagnostic-storm:triald_missing_namespace_001",
+  "type": "DiagnosticStormRecord",
+  "specVersion": "2.0.0",
+  "signature": "experiment:triald_system:missing_namespace_descriptor",
+  "sourceComponent": "triald_system",
+  "normalizedFailureClass": "registry-integrity-failure",
+  "firstSeen": "2026-05-06T22:37:00Z",
+  "lastSeen": "2026-05-06T22:37:18Z",
+  "repeatCount": 492,
+  "medianIntervalMs": 4.5,
+  "maxEventsPerSecond": 136,
+  "severity": "error",
+  "sampleEvents": [
+    {
+      "eventRef": "urn:srcos:telemetry:te_triald_namespace_missing_001",
+      "messageTemplate": "Requested namespace descriptor does not exist for treatment layer",
+      "observedAt": "2026-05-06T22:37:00Z"
+    }
+  ],
+  "suppressionPolicy": "summarize",
+  "terminalState": "still-active",
+  "linkedIncidentRef": "urn:srcos:incident:runtime_registry_degraded_001",
+  "evidenceRefs": [
+    "urn:srcos:telemetry:te_triald_namespace_missing",
+    "urn:srcos:retry-loop:triald_namespace_descriptor_001"
+  ],
+  "userVisibleSummary": "Trial namespace descriptor lookup repeated hundreds of times in a maintenance sweep.",
+  "remediationHint": "Summarize repeated namespace misses and defer further lookups until the namespace cache or registry epoch changes."
+}
diff --git a/examples/maintenance_epoch.json b/examples/maintenance_epoch.json
new file mode 100644
index 0000000..8266163
--- /dev/null
+++ b/examples/maintenance_epoch.json
@@ -0,0 +1,31 @@
+{
+  "id": "urn:srcos:maintenance-epoch:deleted_triald_001",
+  "type": "MaintenanceEpoch",
+  "specVersion": "2.0.0",
+  "startedAt": "2026-05-06T22:37:00Z",
+  "endedAt": "2026-05-06T22:37:21Z",
+  "epochKind": "registry-sweep",
+  "state": "degraded",
+  "sourceComponent": "deleted/triald",
+  "allowedDuringInteractiveLaunch": false,
+  "bootPhaseRequirement": "unlocked-user-session",
+  "lockRequirements": [
+    "runtime-registry",
+    "launch-services-index",
+    "experiment-namespace-cache"
+  ],
+  "emissionBudget": {
+    "maxEventsPerMinute": 60,
+    "onBudgetExceeded": "summarize"
+  },
+  "observedStormRefs": [
+    "urn:srcos:diagnostic-storm:triald_missing_namespace_001",
+    "urn:srcos:diagnostic-storm:deleted_lsbundle_missing_001"
+  ],
+  "evidenceRefs": [
+    "urn:srcos:telemetry:te_triald_namespace_missing",
+    "urn:srcos:telemetry:te_deleted_lsbundle_missing"
+  ],
+  "userVisibleSummary": "Background registry and experiment-maintenance work emitted a high-volume storm during an interactive browser launch window.",
+  "remediationHint": "Defer registry sweeps during interactive launches and collapse repeated missing-namespace events into DiagnosticStormRecord summaries."
+}
diff --git a/examples/network_truth_state.json b/examples/network_truth_state.json
new file mode 100644
index 0000000..7d131fd
--- /dev/null
+++ b/examples/network_truth_state.json
@@ -0,0 +1,27 @@
+{
+  "id": "urn:srcos:network-truth:wifi_epoch_001",
+  "type": "NetworkTruthState",
+  "specVersion": "2.0.0",
+  "observedAt": "2026-05-06T22:36:20Z",
+  "networkEpoch": "wifi-en0-20260506-223620",
+  "interfaceRef": "en0",
+  "deviceIdentityState": "nil",
+  "radioState": "on",
+  "associationState": "not-associated",
+  "authenticationState": "unknown",
+  "dhcpState": "observer-failed",
+  "dnsState": "observer-failed",
+  "routeState": "route-failed",
+  "captivePortalState": "credential-missing",
+  "internetReachability": "unreachable",
+  "localMeshReachability": "unknown",
+  "vpnOrPrivacyOverlayState": "unknown",
+  "trustedPeerPathState": "not-evaluated",
+  "evidenceRefs": [
+    "urn:srcos:telemetry:te_dns_nil_device",
+    "urn:srcos:telemetry:te_no_route_host",
+    "urn:srcos:telemetry:te_wifi_active_no_network"
+  ],
+  "userVisibleSummary": "Wi-Fi radio is active, but no network is associated and route/DNS observers are degraded.",
+  "remediationHint": "Re-evaluate association, DHCP, DNS, and route state before remote sync or browser launch."
+}
diff --git a/examples/retry_loop_fingerprint.json b/examples/retry_loop_fingerprint.json
new file mode 100644
index 0000000..2547670
--- /dev/null
+++ b/examples/retry_loop_fingerprint.json
@@ -0,0 +1,20 @@
+{
+  "id": "urn:srcos:retry-loop:blockblock_tcc_001",
+  "type": "RetryLoopFingerprint",
+  "specVersion": "2.0.0",
+  "signature": "capability_denial:blockblock:fda_tcc",
+  "sourceComponent": "BlockBlock",
+  "firstSeen": "2026-05-06T22:35:44Z",
+  "lastSeen": "2026-05-06T22:37:54Z",
+  "count": 176,
+  "medianIntervalMs": 556,
+  "maxEventsPerSecond": 2,
+  "retryClass": "polling",
+  "terminalState": "still-looping",
+  "policyValidity": "denied-but-noisy",
+  "severity": "warn",
+  "sampleEventRefs": ["urn:srcos:telemetry:te_001"],
+  "suppressionPolicy": "deduplicate_and_summarize",
+  "userVisibleImpact": "Full Disk Access not granted, polling continues",
+  "remediationHint": "Request Full Disk Access from user preferences"
+}
diff --git a/examples/runtime_identity_graph.json b/examples/runtime_identity_graph.json
new file mode 100644
index 0000000..dd96903
--- /dev/null
+++ b/examples/runtime_identity_graph.json
@@ -0,0 +1,51 @@
+{
+  "id": "urn:srcos:runtime-identity-graph:bearbrowser_001",
+  "type": "RuntimeIdentityGraph",
+  "specVersion": "2.0.0",
+  "observedAt": "2026-05-06T22:37:03Z",
+  "rootComponentRef": "urn:srcos:component:BearBrowser",
+  "identityVerdict": "degraded",
+  "nodes": [
+    {
+      "nodeId": "app.bearbrowser",
+      "nodeKind": "app",
+      "displayName": "BearBrowser",
+      "processId": 54990,
+      "bundleOrPackageId": "application.dev.sourceos.BearBrowser",
+      "verificationVerdict": "valid"
+    },
+    {
+      "nodeId": "child.webcontent.54997",
+      "nodeKind": "browser-child",
+      "displayName": "WebContent",
+      "processId": 54997,
+      "bundleOrPackageId": "com.apple.WebKit.WebContent",
+      "verificationVerdict": "degraded"
+    },
+    {
+      "nodeId": "audit.webcontent.54997",
+      "nodeKind": "audit-token",
+      "displayName": "WebContent audit token",
+      "auditIdentity": "audit-token-unresolved",
+      "verificationVerdict": "ambiguous"
+    }
+  ],
+  "edges": [
+    {
+      "from": "app.bearbrowser",
+      "to": "child.webcontent.54997",
+      "relationship": "spawned"
+    },
+    {
+      "from": "child.webcontent.54997",
+      "to": "audit.webcontent.54997",
+      "relationship": "observed-as"
+    }
+  ],
+  "evidenceRefs": [
+    "urn:srcos:telemetry:te_invalid_product_id",
+    "urn:srcos:telemetry:te_audit_token_unresolved"
+  ],
+  "userVisibleImpact": "A browser child process launched, but its runtime identity could not be fully resolved.",
+  "remediationHint": "Verify child-process package identity, audit-token mapping, and broker registration before allowing page load."
+}
diff --git a/examples/runtime_registry_integrity_record.json b/examples/runtime_registry_integrity_record.json
new file mode 100644
index 0000000..5b68aba
--- /dev/null
+++ b/examples/runtime_registry_integrity_record.json
@@ -0,0 +1,32 @@
+{
+  "id": "urn:srcos:runtime-registry-integrity:launchservices_001",
+  "type": "RuntimeRegistryIntegrityRecord",
+  "specVersion": "2.0.0",
+  "observedAt": "2026-05-06T22:37:00Z",
+  "componentRef": "urn:srcos:component:desktop-registry",
+  "bundleOrPackageIdentity": "com.apple.CloudPhotosConfiguration",
+  "verificationVerdict": "degraded",
+  "registryRecords": [
+    {
+      "recordKind": "extension-record",
+      "recordRef": "com.apple.CloudPhotosConfiguration",
+      "state": "missing",
+      "errorCode": "LS_-10814",
+      "userVisibleImpact": "The runtime could not construct an extension record from the desktop registry.",
+      "remediationHint": "Refresh or rebuild the runtime extension registry before enabling extension discovery."
+    },
+    {
+      "recordKind": "namespace-descriptor",
+      "recordRef": "trial-treatment-layer-0x4",
+      "state": "missing",
+      "userVisibleImpact": "Experiment or treatment metadata could not be resolved during maintenance.",
+      "remediationHint": "Suppress repeated namespace lookups and emit a DiagnosticStormRecord until the namespace cache changes."
+    }
+  ],
+  "evidenceRefs": [
+    "urn:srcos:telemetry:te_lsbundle_record_missing",
+    "urn:srcos:telemetry:te_namespace_descriptor_missing"
+  ],
+  "userVisibleSummary": "Registry integrity is degraded because extension records and treatment namespace descriptors are missing.",
+  "remediationHint": "Run a bounded registry repair or defer registry-dependent launch work until integrity is restored."
+}
diff --git a/examples/security_verdict_state.json b/examples/security_verdict_state.json
new file mode 100644
index 0000000..df34ab7
--- /dev/null
+++ b/examples/security_verdict_state.json
@@ -0,0 +1,14 @@
+{
+  "id": "urn:srcos:security-verdict:lulu_flow_001",
+  "type": "SecurityVerdictState",
+  "specVersion": "2.0.0",
+  "subjectRef": "urn:srcos:component:lulu_extension",
+  "decision": "no-verdict",
+  "verdictProviderState": "no-verdict-provider",
+  "observedAt": "2026-05-06T22:36:00Z",
+  "policyRef": "urn:srcos:policy:network_flow_block",
+  "providerRef": "urn:srcos:verdict-provider:lulu",
+  "evidenceRefs": ["urn:srcos:telemetry:te_002"],
+  "userVisibleImpact": "Flows exist but no security verdict available",
+  "remediationHint": "Verify extension provisioning and provider availability"
+}
diff --git a/schemas/BootSessionPhaseState.json b/schemas/BootSessionPhaseState.json
new file mode 100644
index 0000000..59e1374
--- /dev/null
+++ b/schemas/BootSessionPhaseState.json
@@ -0,0 +1,63 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://schemas.srcos.ai/v2/BootSessionPhaseState.json",
+  "title": "BootSessionPhaseState",
+  "description": "A boot/session phase record used to gate services that require user unlock, keyrings, portals, desktop brokers, or recovery-mode boundaries before execution.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "type",
+    "specVersion",
+    "observedAt",
+    "bootId",
+    "sessionId",
+    "phase",
+    "phaseVerdict",
+    "allowedComponents",
+    "blockedComponents"
+  ],
+  "properties": {
+    "id": { "type": "string", "pattern": "^urn:srcos:boot-session-phase:" },
+    "type": { "const": "BootSessionPhaseState" },
+    "specVersion": { "type": "string" },
+    "observedAt": { "type": "string", "format": "date-time" },
+    "bootId": { "type": "string", "minLength": 1 },
+    "sessionId": { "type": "string", "minLength": 1 },
+    "phase": { "enum": ["sealed-boot", "pre-login", "post-login-locked", "unlocked-user-session", "degraded-session", "recovery-session", "unknown"] },
+    "phaseVerdict": { "enum": ["ready", "not-ready", "degraded", "recovery-only", "unknown"] },
+    "availableKeyrings": { "type": "array", "items": { "type": "string" } },
+    "availablePortals": { "type": "array", "items": { "type": "string" } },
+    "allowedComponents": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "required": ["componentRef", "state"],
+        "properties": {
+          "componentRef": { "type": "string" },
+          "state": { "enum": ["allowed", "allowed-degraded", "unknown"] },
+          "reason": { "type": "string" }
+        }
+      }
+    },
+    "blockedComponents": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "required": ["componentRef", "requiredPhase", "state"],
+        "properties": {
+          "componentRef": { "type": "string" },
+          "requiredPhase": { "enum": ["sealed-boot", "pre-login", "post-login-locked", "unlocked-user-session", "degraded-session", "recovery-session", "unknown"] },
+          "state": { "enum": ["blocked", "deferred", "quarantined", "unknown"] },
+          "reason": { "type": "string" },
+          "remediationHint": { "type": "string" }
+        }
+      }
+    },
+    "evidenceRefs": { "type": "array", "items": { "type": "string" } },
+    "userVisibleSummary": { "type": "string" },
+    "remediationHint": { "type": "string" }
+  }
+}
diff --git a/schemas/BrowserLaunchTransaction.json b/schemas/BrowserLaunchTransaction.json
new file mode 100644
index 0000000..abeb557
--- /dev/null
+++ b/schemas/BrowserLaunchTransaction.json
@@ -0,0 +1,43 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://schemas.srcos.ai/v2/BrowserLaunchTransaction.json",
+  "title": "BrowserLaunchTransaction",
+  "description": "A preflighted launch transaction for browser or browser-like child processes, ensuring capability, identity, broker, profile, extension, and network truth preconditions are satisfied.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "type",
+    "specVersion",
+    "componentRef",
+    "phaseStatus",
+    "capabilityPreflightPassed",
+    "identityGraphValid",
+    "desktopBrokerValid",
+    "profileStoreValid",
+    "extensionRegistryValid",
+    "networkTruthSnapshotCaptured",
+    "childProcessSpawnAllowed",
+    "observedAt"
+  ],
+  "properties": {
+    "id": { "type": "string", "pattern": "^urn:srcos:browser-launch-transaction:" },
+    "type": { "const": "BrowserLaunchTransaction" },
+    "specVersion": { "type": "string" },
+    "componentRef": { "type": "string", "minLength": 1 },
+    "phaseStatus": { "enum": ["preflight", "degraded", "failed", "completed"] },
+    "capabilityPreflightPassed": { "type": "boolean" },
+    "identityGraphValid": { "type": "boolean" },
+    "desktopBrokerValid": { "type": "boolean" },
+    "profileStoreValid": { "type": "boolean" },
+    "extensionRegistryValid": { "type": "boolean" },
+    "networkTruthSnapshotCaptured": { "type": "boolean" },
+    "childProcessSpawnAllowed": { "type": "boolean" },
+    "childProcessAttested": { "type": "boolean" },
+    "pageLoadStarted": { "type": "boolean" },
+    "observedAt": { "type": "string", "format": "date-time" },
+    "evidenceRefs": { "type": "array", "items": { "type": "string" } },
+    "userVisibleImpact": { "type": "string" },
+    "remediationHint": { "type": "string" }
+  }
+}
diff --git a/schemas/DesktopServiceBrokerState.json b/schemas/DesktopServiceBrokerState.json
new file mode 100644
index 0000000..0232924
--- /dev/null
+++ b/schemas/DesktopServiceBrokerState.json
@@ -0,0 +1,60 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://schemas.srcos.ai/v2/DesktopServiceBrokerState.json",
+  "title": "DesktopServiceBrokerState",
+  "description": "A desktop-service broker availability record for pasteboard, launcher, file provider, notification, extension, credential, and network-settings surfaces consumed by sandboxed apps and child processes.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "type",
+    "specVersion",
+    "observedAt",
+    "componentRef",
+    "overallState",
+    "brokers"
+  ],
+  "properties": {
+    "id": { "type": "string", "pattern": "^urn:srcos:desktop-service-broker-state:" },
+    "type": { "const": "DesktopServiceBrokerState" },
+    "specVersion": { "type": "string" },
+    "observedAt": { "type": "string", "format": "date-time" },
+    "componentRef": { "type": "string", "minLength": 1 },
+    "overallState": { "enum": ["ready", "degraded", "unavailable", "policy-blocked", "unknown"] },
+    "brokers": {
+      "type": "array",
+      "minItems": 1,
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "required": ["brokerKind", "state"],
+        "properties": {
+          "brokerKind": {
+            "enum": [
+              "pasteboard",
+              "launcher",
+              "core-services",
+              "file-provider",
+              "notification",
+              "extension-registry",
+              "intents",
+              "network-settings",
+              "credential-prompt",
+              "url-opener",
+              "accessibility",
+              "unknown"
+            ]
+          },
+          "state": { "enum": ["ready", "degraded", "unavailable", "policy-blocked", "not-configured", "unknown"] },
+          "policyRef": { "type": "string" },
+          "fallback": { "type": "string" },
+          "userVisibleImpact": { "type": "string" },
+          "remediationHint": { "type": "string" }
+        }
+      }
+    },
+    "evidenceRefs": { "type": "array", "items": { "type": "string" } },
+    "userVisibleSummary": { "type": "string" },
+    "remediationHint": { "type": "string" }
+  }
+}
diff --git a/schemas/DiagnosticStormRecord.json b/schemas/DiagnosticStormRecord.json
new file mode 100644
index 0000000..d60b07d
--- /dev/null
+++ b/schemas/DiagnosticStormRecord.json
@@ -0,0 +1,56 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://schemas.srcos.ai/v2/DiagnosticStormRecord.json",
+  "title": "DiagnosticStormRecord",
+  "description": "A bounded diagnostic-storm summary that preserves repeated event signatures, timing, count, severity, representative samples, suppression state, terminal state, and linked incidents.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "type",
+    "specVersion",
+    "signature",
+    "sourceComponent",
+    "normalizedFailureClass",
+    "firstSeen",
+    "lastSeen",
+    "repeatCount",
+    "severity",
+    "terminalState",
+    "suppressionPolicy"
+  ],
+  "properties": {
+    "id": { "type": "string", "pattern": "^urn:srcos:diagnostic-storm:" },
+    "type": { "const": "DiagnosticStormRecord" },
+    "specVersion": { "type": "string" },
+    "signature": { "type": "string", "minLength": 1 },
+    "sourceComponent": { "type": "string", "minLength": 1 },
+    "normalizedFailureClass": { "enum": ["capability-denial", "network-observer-failure", "security-verdict-unavailable", "registry-integrity-failure", "maintenance-sweep-failure", "browser-launch-failure", "identity-resolution-failure", "boot-phase-gate-failure", "unknown"] },
+    "firstSeen": { "type": "string", "format": "date-time" },
+    "lastSeen": { "type": "string", "format": "date-time" },
+    "repeatCount": { "type": "integer", "minimum": 1 },
+    "medianIntervalMs": { "type": "number", "minimum": 0 },
+    "maxEventsPerSecond": { "type": "integer", "minimum": 1 },
+    "severity": { "enum": ["debug", "info", "warn", "error", "critical"] },
+    "sampleEvents": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "required": ["eventRef", "messageTemplate"],
+        "properties": {
+          "eventRef": { "type": "string" },
+          "messageTemplate": { "type": "string" },
+          "observedAt": { "type": "string", "format": "date-time" }
+        }
+      }
+    },
+    "suppressionPolicy": { "enum": ["none", "deduplicate", "summarize", "suppress", "quarantine", "escalate", "unknown"] },
+    "terminalState": { "enum": ["resolved", "still-active", "suppressed", "quarantined", "escalated", "unknown"] },
+    "linkedIncidentRef": { "type": "string" },
+    "causalParentRef": { "type": "string" },
+    "evidenceRefs": { "type": "array", "items": { "type": "string" } },
+    "userVisibleSummary": { "type": "string" },
+    "remediationHint": { "type": "string" }
+  }
+}
diff --git a/schemas/MaintenanceEpoch.json b/schemas/MaintenanceEpoch.json
new file mode 100644
index 0000000..ce10b8c
--- /dev/null
+++ b/schemas/MaintenanceEpoch.json
@@ -0,0 +1,45 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://schemas.srcos.ai/v2/MaintenanceEpoch.json",
+  "title": "MaintenanceEpoch",
+  "description": "A bounded record for background maintenance sweeps such as cleanup, cache deletion, indexing, backup, plugin scans, cloud purge, and experiment/config refresh.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "type",
+    "specVersion",
+    "startedAt",
+    "epochKind",
+    "state",
+    "sourceComponent",
+    "allowedDuringInteractiveLaunch",
+    "emissionBudget"
+  ],
+  "properties": {
+    "id": { "type": "string", "pattern": "^urn:srcos:maintenance-epoch:" },
+    "type": { "const": "MaintenanceEpoch" },
+    "specVersion": { "type": "string" },
+    "startedAt": { "type": "string", "format": "date-time" },
+    "endedAt": { "type": "string", "format": "date-time" },
+    "epochKind": { "enum": ["cleanup", "cache-delete", "indexing", "backup", "plugin-scan", "cloud-purge", "experiment-refresh", "registry-sweep", "unknown"] },
+    "state": { "enum": ["running", "completed", "failed", "degraded", "suppressed", "unknown"] },
+    "sourceComponent": { "type": "string", "minLength": 1 },
+    "allowedDuringInteractiveLaunch": { "type": "boolean" },
+    "bootPhaseRequirement": { "enum": ["sealed-boot", "pre-login", "post-login-locked", "unlocked-user-session", "degraded-session", "recovery-session", "unknown"] },
+    "lockRequirements": { "type": "array", "items": { "type": "string" } },
+    "emissionBudget": {
+      "type": "object",
+      "additionalProperties": false,
+      "required": ["maxEventsPerMinute", "onBudgetExceeded"],
+      "properties": {
+        "maxEventsPerMinute": { "type": "integer", "minimum": 1 },
+        "onBudgetExceeded": { "enum": ["summarize", "suppress", "quarantine", "escalate", "unknown"] }
+      }
+    },
+    "observedStormRefs": { "type": "array", "items": { "type": "string" } },
+    "evidenceRefs": { "type": "array", "items": { "type": "string" } },
+    "userVisibleSummary": { "type": "string" },
+    "remediationHint": { "type": "string" }
+  }
+}
diff --git a/schemas/NetworkTruthState.json b/schemas/NetworkTruthState.json
new file mode 100644
index 0000000..522b0bc
--- /dev/null
+++ b/schemas/NetworkTruthState.json
@@ -0,0 +1,45 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://schemas.srcos.ai/v2/NetworkTruthState.json",
+  "title": "NetworkTruthState",
+  "description": "A layered network-state observation that separates radio, association, DHCP, DNS, route, captive portal, internet, mesh, overlay, and trusted-peer reachability instead of reducing connectivity to online/offline.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "type",
+    "specVersion",
+    "observedAt",
+    "networkEpoch",
+    "radioState",
+    "associationState",
+    "dhcpState",
+    "dnsState",
+    "routeState",
+    "internetReachability",
+    "localMeshReachability"
+  ],
+  "properties": {
+    "id": { "type": "string", "pattern": "^urn:srcos:network-truth:" },
+    "type": { "const": "NetworkTruthState" },
+    "specVersion": { "type": "string" },
+    "observedAt": { "type": "string", "format": "date-time" },
+    "networkEpoch": { "type": "string", "minLength": 1 },
+    "interfaceRef": { "type": "string" },
+    "deviceIdentityState": { "enum": ["present", "missing", "nil", "ambiguous", "unknown"] },
+    "radioState": { "enum": ["off", "on", "resetting", "unavailable", "unknown"] },
+    "associationState": { "enum": ["not-associated", "associating", "associated", "unstable", "unknown"] },
+    "authenticationState": { "enum": ["not-authenticated", "authenticating", "authenticated", "failed", "unknown"] },
+    "dhcpState": { "enum": ["not-started", "acquiring", "leased", "failed", "observer-failed", "unknown"] },
+    "dnsState": { "enum": ["not-configured", "configured", "degraded", "failed", "observer-failed", "unknown"] },
+    "routeState": { "enum": ["no-route", "route-present", "route-conflict", "route-failed", "unknown"] },
+    "captivePortalState": { "enum": ["not-detected", "detected", "credential-missing", "authenticated", "unknown"] },
+    "internetReachability": { "enum": ["reachable", "unreachable", "degraded", "unknown"] },
+    "localMeshReachability": { "enum": ["reachable", "unreachable", "degraded", "not-configured", "unknown"] },
+    "vpnOrPrivacyOverlayState": { "enum": ["off", "on", "degraded", "policy-blocked", "unknown"] },
+    "trustedPeerPathState": { "enum": ["available", "unavailable", "degraded", "not-evaluated", "unknown"] },
+    "evidenceRefs": { "type": "array", "items": { "type": "string" } },
+    "userVisibleSummary": { "type": "string" },
+    "remediationHint": { "type": "string" }
+  }
+}
diff --git a/schemas/RetryLoopFingerprint.json b/schemas/RetryLoopFingerprint.json
new file mode 100644
index 0000000..7b6cfe5
--- /dev/null
+++ b/schemas/RetryLoopFingerprint.json
@@ -0,0 +1,118 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://schemas.srcos.ai/v2/RetryLoopFingerprint.json",
+  "title": "RetryLoopFingerprint",
+  "description": "A bounded summary of a repeated runtime failure or retry loop, preserving count, cadence, burst density, policy validity, and terminal state.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "type",
+    "specVersion",
+    "signature",
+    "sourceComponent",
+    "firstSeen",
+    "lastSeen",
+    "count",
+    "retryClass",
+    "terminalState",
+    "policyValidity"
+  ],
+  "properties": {
+    "id": {
+      "type": "string",
+      "pattern": "^urn:srcos:retry-loop:"
+    },
+    "type": {
+      "const": "RetryLoopFingerprint"
+    },
+    "specVersion": {
+      "type": "string"
+    },
+    "signature": {
+      "type": "string",
+      "minLength": 1
+    },
+    "sourceComponent": {
+      "type": "string",
+      "minLength": 1
+    },
+    "firstSeen": {
+      "type": "string",
+      "format": "date-time"
+    },
+    "lastSeen": {
+      "type": "string",
+      "format": "date-time"
+    },
+    "count": {
+      "type": "integer",
+      "minimum": 1
+    },
+    "medianIntervalMs": {
+      "type": "number",
+      "minimum": 0
+    },
+    "maxEventsPerSecond": {
+      "type": "integer",
+      "minimum": 1
+    },
+    "retryClass": {
+      "enum": [
+        "polling",
+        "burst",
+        "backoff",
+        "sweep",
+        "respawn",
+        "unknown"
+      ]
+    },
+    "terminalState": {
+      "enum": [
+        "resolved",
+        "still-looping",
+        "suppressed",
+        "quarantined",
+        "escalated",
+        "unknown"
+      ]
+    },
+    "policyValidity": {
+      "enum": [
+        "expected",
+        "unexpected",
+        "denied-correctly",
+        "denied-but-noisy",
+        "invalid-retry",
+        "unknown"
+      ]
+    },
+    "severity": {
+      "enum": [
+        "debug",
+        "info",
+        "warn",
+        "error",
+        "critical"
+      ]
+    },
+    "sampleEventRefs": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "causalParentRef": {
+      "type": "string"
+    },
+    "suppressionPolicy": {
+      "type": "string"
+    },
+    "userVisibleImpact": {
+      "type": "string"
+    },
+    "remediationHint": {
+      "type": "string"
+    }
+  }
+}
diff --git a/schemas/RuntimeIdentityGraph.json b/schemas/RuntimeIdentityGraph.json
new file mode 100644
index 0000000..f3df1c6
--- /dev/null
+++ b/schemas/RuntimeIdentityGraph.json
@@ -0,0 +1,60 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://schemas.srcos.ai/v2/RuntimeIdentityGraph.json",
+  "title": "RuntimeIdentityGraph",
+  "description": "A runtime identity graph connecting process, package, executable, helper, broker, profile, session, and audit-token identity observations.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "type",
+    "specVersion",
+    "observedAt",
+    "rootComponentRef",
+    "identityVerdict",
+    "nodes"
+  ],
+  "properties": {
+    "id": { "type": "string", "pattern": "^urn:srcos:runtime-identity-graph:" },
+    "type": { "const": "RuntimeIdentityGraph" },
+    "specVersion": { "type": "string" },
+    "observedAt": { "type": "string", "format": "date-time" },
+    "rootComponentRef": { "type": "string", "minLength": 1 },
+    "identityVerdict": { "enum": ["valid", "degraded", "missing", "ambiguous", "invalid", "unknown"] },
+    "nodes": {
+      "type": "array",
+      "minItems": 1,
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "required": ["nodeId", "nodeKind", "displayName"],
+        "properties": {
+          "nodeId": { "type": "string", "minLength": 1 },
+          "nodeKind": { "enum": ["app", "daemon", "xpc-service", "browser-child", "terminal-helper", "broker", "extension", "package", "profile", "session", "audit-token", "executable"] },
+          "displayName": { "type": "string", "minLength": 1 },
+          "processId": { "type": "integer", "minimum": 0 },
+          "bundleOrPackageId": { "type": "string" },
+          "executableDigest": { "type": "string" },
+          "auditIdentity": { "type": "string" },
+          "verificationVerdict": { "enum": ["valid", "degraded", "missing", "ambiguous", "invalid", "unknown"] }
+        }
+      }
+    },
+    "edges": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "required": ["from", "to", "relationship"],
+        "properties": {
+          "from": { "type": "string" },
+          "to": { "type": "string" },
+          "relationship": { "enum": ["spawned", "owns", "brokers", "uses-profile", "runs-as", "attests", "packages", "observed-as", "unknown"] }
+        }
+      }
+    },
+    "evidenceRefs": { "type": "array", "items": { "type": "string" } },
+    "userVisibleImpact": { "type": "string" },
+    "remediationHint": { "type": "string" }
+  }
+}
diff --git a/schemas/RuntimeRegistryIntegrityRecord.json b/schemas/RuntimeRegistryIntegrityRecord.json
new file mode 100644
index 0000000..afad764
--- /dev/null
+++ b/schemas/RuntimeRegistryIntegrityRecord.json
@@ -0,0 +1,47 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://schemas.srcos.ai/v2/RuntimeRegistryIntegrityRecord.json",
+  "title": "RuntimeRegistryIntegrityRecord",
+  "description": "An integrity record for runtime registries such as package receipts, extension records, broker registrations, manifests, and desktop-service records.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "type",
+    "specVersion",
+    "observedAt",
+    "componentRef",
+    "verificationVerdict",
+    "registryRecords"
+  ],
+  "properties": {
+    "id": { "type": "string", "pattern": "^urn:srcos:runtime-registry-integrity:" },
+    "type": { "const": "RuntimeRegistryIntegrityRecord" },
+    "specVersion": { "type": "string" },
+    "observedAt": { "type": "string", "format": "date-time" },
+    "componentRef": { "type": "string", "minLength": 1 },
+    "bundleOrPackageIdentity": { "type": "string" },
+    "manifestDigest": { "type": "string" },
+    "verificationVerdict": { "enum": ["valid", "degraded", "missing", "invalid", "quarantined", "unknown"] },
+    "registryRecords": {
+      "type": "array",
+      "minItems": 1,
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "required": ["recordKind", "state"],
+        "properties": {
+          "recordKind": { "enum": ["receipt", "extension-record", "extension-point", "broker-record", "package-manifest", "launch-record", "profile-record", "namespace-descriptor", "unknown"] },
+          "recordRef": { "type": "string" },
+          "state": { "enum": ["present", "missing", "invalid", "stale", "quarantined", "unknown"] },
+          "errorCode": { "type": "string" },
+          "userVisibleImpact": { "type": "string" },
+          "remediationHint": { "type": "string" }
+        }
+      }
+    },
+    "evidenceRefs": { "type": "array", "items": { "type": "string" } },
+    "userVisibleSummary": { "type": "string" },
+    "remediationHint": { "type": "string" }
+  }
+}
diff --git a/schemas/SecurityVerdictState.json b/schemas/SecurityVerdictState.json
new file mode 100644
index 0000000..93dae4b
--- /dev/null
+++ b/schemas/SecurityVerdictState.json
@@ -0,0 +1,82 @@
+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://schemas.srcos.ai/v2/SecurityVerdictState.json",
+  "title": "SecurityVerdictState",
+  "description": "A typed state record for security or network-flow verdict availability, including degraded provider states such as no-verdict-provider or policy-unavailable.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "id",
+    "type",
+    "specVersion",
+    "subjectRef",
+    "decision",
+    "observedAt",
+    "verdictProviderState"
+  ],
+  "properties": {
+    "id": {
+      "type": "string",
+      "pattern": "^urn:srcos:security-verdict:"
+    },
+    "type": {
+      "const": "SecurityVerdictState"
+    },
+    "specVersion": {
+      "type": "string"
+    },
+    "subjectRef": {
+      "type": "string",
+      "minLength": 1
+    },
+    "objectRef": {
+      "type": "string"
+    },
+    "flowRef": {
+      "type": "string"
+    },
+    "observedAt": {
+      "type": "string",
+      "format": "date-time"
+    },
+    "decision": {
+      "enum": [
+        "allow",
+        "deny",
+        "ask",
+        "defer",
+        "no-verdict",
+        "unknown"
+      ]
+    },
+    "verdictProviderState": {
+      "enum": [
+        "ready",
+        "no-verdict-provider",
+        "provider-invalid",
+        "provider-not-ready",
+        "policy-unavailable",
+        "evidence-insufficient",
+        "unknown"
+      ]
+    },
+    "policyRef": {
+      "type": "string"
+    },
+    "providerRef": {
+      "type": "string"
+    },
+    "evidenceRefs": {
+      "type": "array",
+      "items": {
+        "type": "string"
+      }
+    },
+    "userVisibleImpact": {
+      "type": "string"
+    },
+    "remediationHint": {
+      "type": "string"
+    }
+  }
+}