feat: reserve one qdrant collection per workspace

backend/test/routes-workspaces.test.ts

@@ -11,7 +11,7 @@ import { renderWorkspaceDocs, serializeWorkspaceYaml, type CanonicalWorkspace }
 
 const workspace: CanonicalWorkspace = {
   workspace: {
-    schema_version: 2,
+    schema_version: 3,
     id: "psd-clinical",
     name: "Policlinico San Donato",
     description: "Clinical analytics workspace",
@@ -25,18 +25,15 @@ const workspace: CanonicalWorkspace = {
   },
   semantic_index: {
     vector_store: {
-      engine: "pgvector",
-      database: "warehouse",
-      schema: "vectors",
-      collection: "clinical_documents",
-      dimensions: 768,
+      engine: "qdrant",
+      collection: "psd-clinical",
+      dimensions: 1024,
       distance: "cosine",
-      supported_transports: ["pgvector_direct"],
     },
     embedding: {
-      provider: "ollama_compatible",
-      model: "nomic-embed-text-v2-moe",
-      dimensions: 768,
+      provider: "ollama_internal",
+      model: "qwen3-embedding:0.6b",
+      dimensions: 1024,
     },
   },
   llm_policy: { allowed: ["zai/glm-5.2"] },
@@ -184,9 +181,9 @@ test("validates a canonical workspace and runs the injected installation diagnos
 
   expect(validate.statusCode).toBe(200);
   expect(validate.json()).toMatchObject({ workspace });
-  expect(testResult.statusCode).toBe(200);
-  expect(testResult.json()).toMatchObject({ activatable: false, diagnostics: [{ code: "binding_missing" }] });
-  expect(diagnose).toHaveBeenCalledWith(workspace, expect.any(Object), { writeProbe: false });
+  expect(testResult.statusCode).toBe(400);
+  expect(testResult.json()).toMatchObject({ code: "workspace_invalid" });
+  expect(diagnose).not.toHaveBeenCalled();
 });
 
 test("returns a 409 field conflict instead of overwriting a changed workspace", async () => {