feat: unify installation model catalog

backend/src/workspaces/diagnostics.ts

@@ -406,12 +406,12 @@ function numericBinding(binding: Record<string, string>, name: string): number |
 
 function requireSupportedDescriptor(workspace: unknown): void {
   if (typeof workspace !== "object" || workspace === null) {
-    throw new Error("Workspace diagnoser supports only workspace schema version 3");
+    throw new Error("Workspace diagnoser supports only workspace schema version 4");
   }
   const metadata = Reflect.get(workspace, "workspace");
   if (typeof metadata !== "object" || metadata === null
-    || Reflect.get(metadata, "schema_version") !== 3) {
-    throw new Error("Workspace diagnoser supports only workspace schema version 3");
+    || Reflect.get(metadata, "schema_version") !== 4) {
+    throw new Error("Workspace diagnoser supports only workspace schema version 4");
   }
 }
 
@@ -506,11 +506,15 @@ async function diagnoseValidatedWorkspace(
   try {
     const vector = await withTimeout(timeoutMs, (signal) => adapters.inspectQdrant({
       baseUrl: semanticRuntime.internalQdrantUrl,
-      collection: descriptor.semantic_index.vector_store.collection,
+      collection: descriptor.workspace.id,
       timeoutMs,
       signal,
     }));
-    const expected = descriptor.semantic_index.vector_store;
+    const expected = {
+      collection: descriptor.workspace.id,
+      dimensions: semanticRuntime.internalEmbeddingDimensions,
+      distance: "cosine",
+    };
     if (vector.collection !== expected.collection
       || vector.dimensions !== expected.dimensions
       || vector.distance !== expected.distance) {
@@ -529,10 +533,8 @@ async function diagnoseValidatedWorkspace(
       timeoutMs,
       signal,
     }));
-    if (semanticRuntime.internalEmbeddingModel !== descriptor.semantic_index.embedding.model
-      || semanticRuntime.internalEmbeddingDimensions !== descriptor.semantic_index.embedding.dimensions
-      || !embedding.available
-      || embedding.dimensions !== descriptor.semantic_index.embedding.dimensions) {
+    if (!embedding.available
+      || embedding.dimensions !== semanticRuntime.internalEmbeddingDimensions) {
       diagnostics.push(diagnosticError("semantic_index_incompatible"));
       activatable = false;
     }