test: align qdrant ollama verification fixtures

backend/test/workspaces-contracts.test.ts

@@ -210,7 +210,7 @@ llm_policy:
   })).vector_db).toMatchObject({ database: "vector_database", schema: "vectors" });
 });
 
-test("documents the rendered writer secret-file binding for writer workspaces", () => {
+test("renders legacy writer secret-file bindings without reintroducing them to the active protocol", () => {
   const writerVariable = "THT_WS_PSD_CLINICAL_VECTOR_WRITER_API_KEY_FILE";
   const generated = renderWorkspaceDocs(parseWorkspaceYaml(`workspace:
   schema_version: 2
@@ -245,7 +245,8 @@ llm_policy:
   expect(generated.envExample).toContain(`${writerVariable}=`);
   expect(existsSync(protocolPath)).toBe(true);
   if (existsSync(protocolPath)) {
-    expect(readFileSync(protocolPath, "utf8")).toContain(writerVariable);
+    expect(readFileSync(protocolPath, "utf8")).not.toContain(writerVariable);
+    expect(readFileSync(protocolPath, "utf8")).toContain("There are no supported `THT_WS_<NAMESPACE>_VECTOR_*`");
   }
 });