feat(scum): gate live data on schema evidence

plugins/sdk/index.ts

@@ -43,6 +43,7 @@ export type RunCapability =
   | "remote.run.process.start"
   | "remote.run.process.stop"
   | "remote.run.db.mysql.query"
+  | "remote.run.db.sqlite.probe"
   | "remote.run.db.sqlite.query"
   | "remote.run.logs.transfer"
   | "remote.run.rcon.command"
@@ -268,6 +269,55 @@ export interface GameClientBridgeQueryTemplateDeclaration {
 
 export type GameClientBridgeOperationKind = "rcon" | "sqlite-mutation";
 
+export type SCUMLiveDataCapability =
+  | "schema-probe"
+  | "players.read"
+  | "player-details.read"
+  | "squads.read"
+  | "squad-members.read"
+  | "vehicles.read"
+  | "flags.read"
+  | "positions.read"
+  | "profile-xml.write"
+  | "economy-command.write"
+  | "gift-command.write";
+
+export type SCUMLiveDataGateState = "disabled" | "enabled";
+export type SCUMLiveDataEvidenceStatus = "missing" | "compatible" | "incompatible" | "failed";
+
+export interface SCUMLiveDataCapabilityGateDeclaration {
+  capability: SCUMLiveDataCapability;
+  gate: SCUMLiveDataGateState;
+  adapterVersion: string;
+  requiredSchemaFingerprint?: string;
+  requiredAssetDigests?: `sha256:${string}`[];
+  evidenceStatus: SCUMLiveDataEvidenceStatus;
+  safeReason: string;
+}
+
+export interface SCUMSchemaProbeBoundsDeclaration {
+  maxObjects: number;
+  maxColumnsPerObject: number;
+  maxIndexesPerObject: number;
+  maxForeignKeys: number;
+  maxCardinalityReads: number;
+  maxSampleRows: number;
+  timeoutMs: number;
+  maxResultBytes: number;
+}
+
+export interface SCUMSchemaProbeDeclaration {
+  capability: Extract<RunCapability, "remote.run.db.sqlite.probe">;
+  targetKey: string;
+  bounds: SCUMSchemaProbeBoundsDeclaration;
+}
+
+export interface SCUMLiveDataManifestDeclaration {
+  schemaVersion: "1";
+  probe: SCUMSchemaProbeDeclaration;
+  capabilityGates: SCUMLiveDataCapabilityGateDeclaration[];
+}
+
 export interface GameClientBridgeOperationSafety {
   requiresApproval?: boolean;
   requiresOfflinePlayer?: boolean;
@@ -722,6 +772,7 @@ export interface GamePluginManifest {
   remoteAccess?: GamePluginRemoteAccess;
   runtimeProfiles?: GamePluginRuntimeProfiles;
   gameClientBridge?: GameClientBridgeManifest;
+  scumLiveData?: SCUMLiveDataManifestDeclaration;
   actions?: GamePluginActions;
   assetFiles?: PluginAssetFile[];
   productionLifecycle: {