diff --git a/src/BinaryIndex/StellaOps.BinaryIndex.WebService/Program.cs b/src/BinaryIndex/StellaOps.BinaryIndex.WebService/Program.cs
index a16f33c96..8e9f12c84 100644
--- a/src/BinaryIndex/StellaOps.BinaryIndex.WebService/Program.cs
+++ b/src/BinaryIndex/StellaOps.BinaryIndex.WebService/Program.cs
@@ -3,6 +3,7 @@ using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
 using StackExchange.Redis;
+using StellaOps.Audit.Emission;
 using StellaOps.BinaryIndex.Cache;
 using StellaOps.BinaryIndex.Core.Resolution;
 using StellaOps.BinaryIndex.Core.Services;
@@ -38,6 +39,9 @@ builder.Services.TryAddSingleton<IRandomSource, SystemRandomSource>();
 builder.Services.AddGoldenSetServices(builder.Configuration);
 builder.Services.AddBinaryIndexGoldenSetStorage(builder.Configuration);
 builder.Services.AddBinaryIndexRuntimePersistence(builder.Configuration);
+
+// Unified audit emission (posts audit events to Timeline service). See SPRINT_20260408_004 AUDIT-002.
+builder.Services.AddAuditEmission(builder.Configuration);
 builder.Services.AddBinaryIndexResolutionCache(builder.Configuration);
 builder.Services.AddScoped<ResolutionService>();
 builder.Services.AddScoped<IResolutionService>(sp =>
diff --git a/src/BinaryIndex/StellaOps.BinaryIndex.WebService/StellaOps.BinaryIndex.WebService.csproj b/src/BinaryIndex/StellaOps.BinaryIndex.WebService/StellaOps.BinaryIndex.WebService.csproj
index f391f7ec9..f37caa751 100644
--- a/src/BinaryIndex/StellaOps.BinaryIndex.WebService/StellaOps.BinaryIndex.WebService.csproj
+++ b/src/BinaryIndex/StellaOps.BinaryIndex.WebService/StellaOps.BinaryIndex.WebService.csproj
@@ -16,6 +16,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="../../__Libraries/StellaOps.Audit.Emission/StellaOps.Audit.Emission.csproj" />
     <ProjectReference Include="../__Libraries/StellaOps.BinaryIndex.Core/StellaOps.BinaryIndex.Core.csproj" />
     <ProjectReference Include="../__Libraries/StellaOps.BinaryIndex.Cache/StellaOps.BinaryIndex.Cache.csproj" />
     <ProjectReference Include="../__Libraries/StellaOps.BinaryIndex.Contracts/StellaOps.BinaryIndex.Contracts.csproj" />
diff --git a/src/Concelier/StellaOps.Concelier.WebService/Program.cs b/src/Concelier/StellaOps.Concelier.WebService/Program.cs
index fe534d5f3..2deb8f258 100644
--- a/src/Concelier/StellaOps.Concelier.WebService/Program.cs
+++ b/src/Concelier/StellaOps.Concelier.WebService/Program.cs
@@ -1,6 +1,7 @@
 
 using AttestationClaims = StellaOps.Concelier.Core.Attestation.AttestationClaims;
 using HttpResults = Microsoft.AspNetCore.Http.Results;
+using StellaOps.Audit.Emission;
 using Microsoft.AspNetCore.Authentication.JwtBearer;
 using Microsoft.AspNetCore.Diagnostics;
 using Microsoft.AspNetCore.Http;
@@ -747,26 +748,6 @@ builder.Services.PostConfigure<JobSchedulerOptions>(options =>
     }
 });
 
-if (!isTesting)
-{
-    builder.Services.RemoveAll<IJobStore>();
-    builder.Services.AddSingleton<IJobStore, UnsupportedJobStore>();
-    builder.Services.RemoveAll<IJobCoordinator>();
-    builder.Services.AddSingleton<IJobCoordinator, UnsupportedJobCoordinator>();
-    builder.Services.RemoveAll<IOrchestratorRegistryStore>();
-    builder.Services.AddSingleton<IOrchestratorRegistryStore, UnsupportedOrchestratorRegistryStore>();
-
-    for (var index = builder.Services.Count - 1; index >= 0; index--)
-    {
-        var descriptor = builder.Services[index];
-        if (descriptor.ServiceType == typeof(IHostedService) &&
-            descriptor.ImplementationType == typeof(JobSchedulerHostedService))
-        {
-            builder.Services.RemoveAt(index);
-        }
-    }
-}
-
 builder.Services.AddSingleton<OpenApiDiscoveryDocumentProvider>();
 
 builder.Services.AddSingleton<StellaOps.Concelier.WebService.Diagnostics.ServiceStatus>(sp => new StellaOps.Concelier.WebService.Diagnostics.ServiceStatus(sp.GetRequiredService<TimeProvider>()));
@@ -1018,6 +999,9 @@ if (authorityConfigured)
     }
 }
 
+// Unified audit emission (posts audit events to Timeline service). See SPRINT_20260408_004 AUDIT-002.
+builder.Services.AddAuditEmission(builder.Configuration);
+
 builder.Services.AddAuthorization(options =>
 {
         options.AddStellaOpsScopePolicy(JobsPolicyName, concelierOptions.Authority.RequiredScopes.ToArray());
diff --git a/src/Concelier/StellaOps.Concelier.WebService/StellaOps.Concelier.WebService.csproj b/src/Concelier/StellaOps.Concelier.WebService/StellaOps.Concelier.WebService.csproj
index 10fa95466..d716a486a 100644
--- a/src/Concelier/StellaOps.Concelier.WebService/StellaOps.Concelier.WebService.csproj
+++ b/src/Concelier/StellaOps.Concelier.WebService/StellaOps.Concelier.WebService.csproj
@@ -22,6 +22,7 @@
     <PackageReference Include="YamlDotNet" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="../../__Libraries/StellaOps.Audit.Emission/StellaOps.Audit.Emission.csproj" />
     <ProjectReference Include="../__Libraries/StellaOps.Concelier.Core/StellaOps.Concelier.Core.csproj" />
     <ProjectReference Include="../__Libraries/StellaOps.Excititor.Core/StellaOps.Excititor.Core.csproj" />
     <ProjectReference Include="../__Libraries/StellaOps.Concelier.Interest/StellaOps.Concelier.Interest.csproj" />
diff --git a/src/Concelier/StellaOps.Excititor.WebService/Program.cs b/src/Concelier/StellaOps.Excititor.WebService/Program.cs
index 3a4dd8e6d..d4ea38d38 100644
--- a/src/Concelier/StellaOps.Excititor.WebService/Program.cs
+++ b/src/Concelier/StellaOps.Excititor.WebService/Program.cs
@@ -2,6 +2,7 @@
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
+using StellaOps.Audit.Emission;
 using Microsoft.Extensions.Caching.Memory;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Logging;
@@ -177,6 +178,9 @@ services.AddMemoryCache();
 // Register authentication services so app.UseAuthentication() can resolve IAuthenticationSchemeProvider.
 services.AddStellaOpsResourceServerAuthentication(builder.Configuration);
 
+// Unified audit emission (posts audit events to Timeline service). See SPRINT_20260408_004 AUDIT-002.
+services.AddAuditEmission(builder.Configuration);
+
 // RASD-03: Register scope-based authorization policies for Excititor endpoints.
 // Auth is enforced by the gateway JWT bearer middleware; these named policies map
 // scopes to endpoint-level metadata so Router/OpenAPI can export claim requirements.
diff --git a/src/Concelier/StellaOps.Excititor.WebService/StellaOps.Excititor.WebService.csproj b/src/Concelier/StellaOps.Excititor.WebService/StellaOps.Excititor.WebService.csproj
index cbe4bc07b..fdae87e49 100644
--- a/src/Concelier/StellaOps.Excititor.WebService/StellaOps.Excititor.WebService.csproj
+++ b/src/Concelier/StellaOps.Excititor.WebService/StellaOps.Excititor.WebService.csproj
@@ -16,6 +16,7 @@
     <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="../../__Libraries/StellaOps.Audit.Emission/StellaOps.Audit.Emission.csproj" />
     <ProjectReference Include="../__Libraries/StellaOps.Excititor.Core/StellaOps.Excititor.Core.csproj" />
     <ProjectReference Include="../../Router/__Libraries/StellaOps.Messaging/StellaOps.Messaging.csproj" />
     <ProjectReference Include="../__Libraries/StellaOps.Excititor.Persistence/StellaOps.Excititor.Persistence.csproj" />
diff --git a/src/Graph/StellaOps.Graph.Api/Program.cs b/src/Graph/StellaOps.Graph.Api/Program.cs
index 34c517870..7d3bf3359 100644
--- a/src/Graph/StellaOps.Graph.Api/Program.cs
+++ b/src/Graph/StellaOps.Graph.Api/Program.cs
@@ -1,6 +1,7 @@
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.Extensions.Configuration;
+using StellaOps.Audit.Emission;
 using StellaOps.Auth.Abstractions;
 using StellaOps.Auth.ServerIntegration;
 using StellaOps.Auth.ServerIntegration.Tenancy;
@@ -110,6 +111,10 @@ builder.Services
     .AddScheme<AuthenticationSchemeOptions, GraphHeaderAuthenticationHandler>(
         GraphHeaderAuthenticationHandler.SchemeName,
         _ => { });
+
+// Unified audit emission (posts audit events to Timeline service). See SPRINT_20260408_004 AUDIT-002.
+builder.Services.AddAuditEmission(builder.Configuration);
+
 builder.Services.AddAuthorization(options =>
 {
     options.AddPolicy(GraphPolicies.ReadOrQuery, policy =>
diff --git a/src/Graph/StellaOps.Graph.Api/StellaOps.Graph.Api.csproj b/src/Graph/StellaOps.Graph.Api/StellaOps.Graph.Api.csproj
index 574ec5843..c835dc95a 100644
--- a/src/Graph/StellaOps.Graph.Api/StellaOps.Graph.Api.csproj
+++ b/src/Graph/StellaOps.Graph.Api/StellaOps.Graph.Api.csproj
@@ -13,6 +13,7 @@
     <InternalsVisibleTo Include="StellaOps.Graph.Api.Tests" />
   </ItemGroup>
   <ItemGroup>
+    <ProjectReference Include="../../__Libraries/StellaOps.Audit.Emission/StellaOps.Audit.Emission.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.Infrastructure.Postgres/StellaOps.Infrastructure.Postgres.csproj" />
diff --git a/src/Notifier/StellaOps.Notifier/StellaOps.Notifier.WebService/Program.cs b/src/Notifier/StellaOps.Notifier/StellaOps.Notifier.WebService/Program.cs
index 29a7eb1ec..ec6eef493 100644
--- a/src/Notifier/StellaOps.Notifier/StellaOps.Notifier.WebService/Program.cs
+++ b/src/Notifier/StellaOps.Notifier/StellaOps.Notifier.WebService/Program.cs
@@ -36,6 +36,7 @@ using StellaOps.Notify.Persistence.Extensions;
 using StellaOps.Notify.Queue;
 using StellaOps.Notifier.Worker.Storage;
 using StellaOps.Cryptography;
+using StellaOps.Audit.Emission;
 using StellaOps.Auth.ServerIntegration;
 using StellaOps.Auth.ServerIntegration.Tenancy;
 using StellaOps.Auth.Abstractions;
@@ -175,6 +176,9 @@ builder.Services.AddNotifierTenancy(builder.Configuration);
 // Authentication (resource server JWT validation via Authority)
 builder.Services.AddStellaOpsResourceServerAuthentication(builder.Configuration);
 
+// Unified audit emission (posts audit events to Timeline service). See SPRINT_20260408_004 AUDIT-002.
+builder.Services.AddAuditEmission(builder.Configuration);
+
 // Authorization policies for Notifier scopes (RASD-03)
 builder.Services.AddAuthorization(options =>
 {
diff --git a/src/Notifier/StellaOps.Notifier/StellaOps.Notifier.WebService/StellaOps.Notifier.WebService.csproj b/src/Notifier/StellaOps.Notifier/StellaOps.Notifier.WebService/StellaOps.Notifier.WebService.csproj
index fbeb96082..c6f27d536 100644
--- a/src/Notifier/StellaOps.Notifier/StellaOps.Notifier.WebService/StellaOps.Notifier.WebService.csproj
+++ b/src/Notifier/StellaOps.Notifier/StellaOps.Notifier.WebService/StellaOps.Notifier.WebService.csproj
@@ -10,6 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="../../../__Libraries/StellaOps.Audit.Emission/StellaOps.Audit.Emission.csproj" />
     <ProjectReference Include="../../../Notify/__Libraries/StellaOps.Notify.Persistence/StellaOps.Notify.Persistence.csproj" />
     <ProjectReference Include="../../../Notify/__Libraries/StellaOps.Notify.Queue/StellaOps.Notify.Queue.csproj" />
     <ProjectReference Include="../../../Notify/__Libraries/StellaOps.Notify.Engine/StellaOps.Notify.Engine.csproj" />
diff --git a/src/Policy/StellaOps.Policy.Gateway/Program.cs b/src/Policy/StellaOps.Policy.Gateway/Program.cs
index 4b56fa5d9..f873051b3 100644
--- a/src/Policy/StellaOps.Policy.Gateway/Program.cs
+++ b/src/Policy/StellaOps.Policy.Gateway/Program.cs
@@ -2,6 +2,7 @@
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.Configuration;
+using StellaOps.Audit.Emission;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 using Microsoft.Extensions.Logging;
 using Microsoft.Extensions.Options;
@@ -140,6 +141,10 @@ builder.Services.AddProblemDetails();
 builder.Services.AddHealthChecks();
 builder.Services.AddAuthentication();
 builder.Services.AddAuthorization();
+
+// Unified audit emission (posts audit events to Timeline service). See SPRINT_20260408_004 AUDIT-002.
+builder.Services.AddAuditEmission(builder.Configuration);
+
 builder.Services.AddStellaOpsScopeHandler();
 builder.Services.AddPolicyPostgresStorage(builder.Configuration);
 // Also configure unnamed PostgresOptions so PolicyDataSource (IOptions<PostgresOptions>) resolves the connection string.
diff --git a/src/Policy/StellaOps.Policy.Gateway/StellaOps.Policy.Gateway.csproj b/src/Policy/StellaOps.Policy.Gateway/StellaOps.Policy.Gateway.csproj
index f670d1186..92734dec3 100644
--- a/src/Policy/StellaOps.Policy.Gateway/StellaOps.Policy.Gateway.csproj
+++ b/src/Policy/StellaOps.Policy.Gateway/StellaOps.Policy.Gateway.csproj
@@ -10,6 +10,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="../../__Libraries/StellaOps.Audit.Emission/StellaOps.Audit.Emission.csproj" />
     <ProjectReference Include="../../__Libraries/StellaOps.Configuration/StellaOps.Configuration.csproj" />
     <ProjectReference Include="../../__Libraries/StellaOps.DependencyInjection/StellaOps.DependencyInjection.csproj" />
     <ProjectReference Include="../../__Libraries/StellaOps.DeltaVerdict/StellaOps.DeltaVerdict.csproj" />
diff --git a/src/SbomService/StellaOps.SbomService/Program.cs b/src/SbomService/StellaOps.SbomService/Program.cs
index ebe66b8f2..ac1849818 100644
--- a/src/SbomService/StellaOps.SbomService/Program.cs
+++ b/src/SbomService/StellaOps.SbomService/Program.cs
@@ -1,6 +1,7 @@
 
 using Microsoft.AspNetCore.Authentication;
 using Microsoft.AspNetCore.Mvc;
+using StellaOps.Audit.Emission;
 using StellaOps.Auth.ServerIntegration;
 using StellaOps.Auth.ServerIntegration.Tenancy;
 using Microsoft.Extensions.Options;
@@ -30,6 +31,10 @@ builder.Services.AddSingleton<IGuidProvider>(SystemGuidProvider.Instance);
 builder.Services.AddAuthentication(HeaderAuthenticationHandler.SchemeName)
     .AddScheme<AuthenticationSchemeOptions, HeaderAuthenticationHandler>(HeaderAuthenticationHandler.SchemeName, _ => { });
 builder.Services.AddStellaOpsTenantServices();
+
+// Unified audit emission (posts audit events to Timeline service). See SPRINT_20260408_004 AUDIT-002.
+builder.Services.AddAuditEmission(builder.Configuration);
+
 builder.Services.AddAuthorization(options =>
 {
     // SbomService uses HeaderAuthenticationHandler (x-tenant-id). Policies require authenticated tenant context.
diff --git a/src/SbomService/StellaOps.SbomService/StellaOps.SbomService.csproj b/src/SbomService/StellaOps.SbomService/StellaOps.SbomService.csproj
index 27e9aa79b..7647e2a95 100644
--- a/src/SbomService/StellaOps.SbomService/StellaOps.SbomService.csproj
+++ b/src/SbomService/StellaOps.SbomService/StellaOps.SbomService.csproj
@@ -25,6 +25,7 @@
   </ItemGroup>
 
   <ItemGroup>
+    <ProjectReference Include="../../__Libraries/StellaOps.Audit.Emission/StellaOps.Audit.Emission.csproj" />
     <ProjectReference Include="../../__Libraries/StellaOps.Configuration/StellaOps.Configuration.csproj" />
     <ProjectReference Include="../../__Libraries/StellaOps.DependencyInjection/StellaOps.DependencyInjection.csproj" />
     <!-- LIN-BE-028: Lineage compare service needs VEX delta repository -->