diff --git a/packages/context/src/ingest/local-bundle-runtime.test.ts b/packages/context/src/ingest/local-bundle-runtime.test.ts
index aa4c61e2..0df1c9e3 100644
--- a/packages/context/src/ingest/local-bundle-runtime.test.ts
+++ b/packages/context/src/ingest/local-bundle-runtime.test.ts
@@ -32,6 +32,7 @@ type RuntimeWithSlValidationDeps = {
 type RuntimeWithSettingsDeps = {
   deps: {
     settings: {
+      sharedWorktreeSourceKeys?: string[];
       isolatedDiffSourceKeys?: string[];
     };
   };
@@ -266,7 +267,7 @@ describe('createLocalBundleIngestRuntime', () => {
     });
   });
 
-  it('enables isolated-diff routing for direct durable-write connectors', () => {
+  it('defaults local bundle ingest to isolated diffs without an allowlist', () => {
     const runtime = createLocalBundleIngestRuntime({
       project,
       adapters: [new FakeSourceAdapter()],
@@ -275,14 +276,8 @@ describe('createLocalBundleIngestRuntime', () => {
 
     const settings = (runtime.runner as unknown as RuntimeWithSettingsDeps).deps.settings;
 
-    expect(settings.isolatedDiffSourceKeys).toEqual([
-      'metabase',
-      'notion',
-      'lookml',
-      'looker',
-      'dbt',
-      'metricflow',
-    ]);
+    expect(settings.sharedWorktreeSourceKeys).toEqual([]);
+    expect('isolatedDiffSourceKeys' in settings).toBe(false);
   });
 
   it('accepts a debug LLM request file when constructing the default agent runner', async () => {
diff --git a/packages/context/src/ingest/local-bundle-runtime.ts b/packages/context/src/ingest/local-bundle-runtime.ts
index 4fccf121..5fcc245d 100644
--- a/packages/context/src/ingest/local-bundle-runtime.ts
+++ b/packages/context/src/ingest/local-bundle-runtime.ts
@@ -77,7 +77,7 @@ import { ContextEvidenceIndexService, SqliteContextEvidenceStore } from './conte
 import { DiffSetService } from './diff-set.service.js';
 import { ingestTracePathForJob, type IngestTraceLevel } from './ingest-trace.js';
 import { IngestBundleRunner } from './ingest-bundle.runner.js';
-import { defaultIsolatedDiffSourceKeys } from './isolated-diff/source-routing.js';
+import { defaultSharedWorktreeSourceKeys } from './isolated-diff/source-routing.js';
 import { PageTriageService } from './page-triage/index.js';
 import { createWarehouseVerificationTools } from './tools/warehouse-verification/index.js';
 import type {
@@ -723,7 +723,7 @@ export function createLocalBundleIngestRuntime(
       workUnitMaxConcurrency: options.project.config.ingest.workUnits.maxConcurrency,
       workUnitStepBudget: options.project.config.ingest.workUnits.stepBudget,
       workUnitFailureMode: options.project.config.ingest.workUnits.failureMode,
-      isolatedDiffSourceKeys: defaultIsolatedDiffSourceKeys(),
+      sharedWorktreeSourceKeys: defaultSharedWorktreeSourceKeys(),
       ingestTraceLevel: ingestTraceLevelFromEnv(),
     },
     skillsRegistry: new SkillsRegistryService({ skillsDir, logger }),