feat: unify installation model catalog

backend/test/registry-annotations.test.ts

@@ -15,7 +15,7 @@ afterEach(() => {
 });
 
 const validYaml = `workspace:
-  schema_version: 3
+  schema_version: 4
   id: psd-clinical
   name: Policlinico San Donato
   language: it
@@ -24,18 +24,6 @@ dwh:
   database: postgres
   schema: datawarehouse
   supported_transports: [postgres_direct]
-semantic_index:
-  vector_store:
-    engine: qdrant
-    collection: psd-clinical
-    dimensions: 1024
-    distance: cosine
-  embedding:
-    provider: ollama_internal
-    model: qwen3-embedding:0.6b
-    dimensions: 1024
-llm_policy:
-  allowed: [zai/glm-5.2]
 `;
 
 async function git(cwd: string, args: string[]): Promise<string> {