diff --git a/docs/organisation/systems/source-intake.json b/docs/organisation/systems/source-intake.json
index f63aa5ab8e..af35ef2f29 100644
--- a/docs/organisation/systems/source-intake.json
+++ b/docs/organisation/systems/source-intake.json
@@ -130,8 +130,10 @@
     "tests/deep-*",
     "tests/docling-*",
     "tests/document-cover-thumbnails.test.ts",
+    "tests/document-detail-demo-window.test.ts",
     "tests/document-enrichment-*",
     "tests/document-enrichment.test.ts",
+    "tests/document-extraction-source-fidelity.test.ts",
     "tests/document-index-units.test.ts",
     "tests/document-label-coverage.test.ts",
     "tests/document-label-governance.test.ts",
diff --git a/tests/maintain-docs-system.test.ts b/tests/maintain-docs-system.test.ts
index b230b9c7fb..b34cba31ff 100644
--- a/tests/maintain-docs-system.test.ts
+++ b/tests/maintain-docs-system.test.ts
@@ -202,6 +202,21 @@ describe("maintain-docs-system pipeline", () => {
     expect(classifyRepositoryPath("tests/calculators-new-score.test.ts").resolvedSystem).toBe("clinical-content");
   });
 
+  it("owns ingestion tests under source-intake even where app-experience's document-* glob would claim them", () => {
+    // The code under test is source-intake's (src/lib/extractors/**, worker/**, src/lib/document-detail.ts),
+    // so explicit source-intake entries beat app-experience's broad tests/document-* glob.
+    for (const testPath of [
+      "tests/document-extraction-source-fidelity.test.ts",
+      "tests/document-detail-demo-window.test.ts",
+    ]) {
+      expect(classifyRepositoryPath(testPath).resolvedSystem).toBe("source-intake");
+    }
+    // Document viewer and search UI tests stay with app-experience.
+    for (const testPath of ["tests/document-viewer-shell.dom.test.tsx", "tests/search-pins.test.ts"]) {
+      expect(classifyRepositoryPath(testPath).resolvedSystem).toBe("app-experience");
+    }
+  });
+
   describe("placeUnplacedFiles", () => {
     it("places unplaced files into matching system manifests, deduplicating and sorting files[]", () => {
       const root = makeTempFixture();