feat(audit): wire AddAuditEmission into 9 services (AUDIT-002)

- Wire StellaOps.Audit.Emission DI in: Authority, Policy, Release-Orchestrator,
  EvidenceLocker, Notify, Scanner, Scheduler, Integrations, Platform
- Add AuditEmission__TimelineBaseUrl to compose defaults
- Endpoint filter annotation deferred to follow-up pass

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/Integrations/StellaOps.Integrations.WebService/Program.cs

@@ -18,6 +18,7 @@ using StellaOps.Integrations.WebService.AiCodeGuard;
 using StellaOps.Integrations.WebService.Infrastructure;
 using StellaOps.Integrations.WebService.Security;
 
+using StellaOps.Audit.Emission;
 using StellaOps.Auth.ServerIntegration.Tenancy;
 using StellaOps.Infrastructure.Postgres.Migrations;
 using StellaOps.Infrastructure.Postgres.Options;
@@ -133,6 +134,9 @@ builder.Services.AddAuthorization(options =>
     options.AddStellaOpsScopePolicy(IntegrationPolicies.Operate, StellaOpsScopes.IntegrationOperate);
 });
 
+// Unified audit emission (posts audit events to Timeline service)
+builder.Services.AddAuditEmission(builder.Configuration);
+
 // Stella Router integration
 var routerEnabled = builder.Services.AddRouterMicroservice(
     builder.Configuration,

src/Integrations/StellaOps.Integrations.WebService/StellaOps.Integrations.WebService.csproj

@@ -30,6 +30,7 @@
     <ProjectReference Include="..\..\Router\__Libraries\StellaOps.Messaging\StellaOps.Messaging.csproj" />
     <ProjectReference Include="..\..\Authority\StellaOps.Authority\StellaOps.Auth.ServerIntegration\StellaOps.Auth.ServerIntegration.csproj" />
     <ProjectReference Include="..\..\__Libraries\StellaOps.Localization\StellaOps.Localization.csproj" />
+    <ProjectReference Include="..\..\__Libraries\StellaOps.Audit.Emission\StellaOps.Audit.Emission.csproj" />
   </ItemGroup>
   <ItemGroup>
     <EmbeddedResource Include="Translations\*.json" />