feat: unify installation model catalog

backend/scripts/p1-manual-acceptance.test.mjs

@@ -403,7 +403,7 @@ test("generated render command validates saved responses and owned snapshot befo
 });
 
 const renderSnapshotYaml=`workspace:
-  schema_version: 3
+  schema_version: 4
   id: p1-filesystem
   name: P1 filesystem
   language: en
@@ -412,11 +412,6 @@ dwh:
   database: postgres
   schema: public
   supported_transports: [postgres_direct]
-semantic_index:
-  vector_store: {engine: qdrant, collection: p1-filesystem, dimensions: 1024, distance: cosine}
-  embedding: {provider: ollama_internal, model: qwen3-embedding:0.6b, dimensions: 1024}
-llm_policy:
-  allowed: [zai/glm-5.2]
 evidence:
   source: {type: filesystem, uri: workspace-content/p1-filesystem/evidence, patterns: ["**/*.md"], max_bytes: 10485760}
   policy: {max_chunk_chars: 4000, retain_published_generations: 3}