Beam: remove fallbackLlmId

src/modules/beam/scatter/beam.scatter.ts

@@ -178,7 +178,7 @@ export const createScatterSlice: StateCreator<RootStoreSlice & ScatterStoreSlice
 
 
   setRayCount: (count: number) => {
-    const { rays, fallbackLlmId, _syncRaysStateToScatter } = _get();
+    const { rays, _syncRaysStateToScatter } = _get();
     if (count < rays.length) {
       // Terminate exceeding rays
       rays.slice(count).forEach(rayScatterStop);
@@ -189,7 +189,7 @@ export const createScatterSlice: StateCreator<RootStoreSlice & ScatterStoreSlice
       _set({
         rays: [...rays, ...Array(count - rays.length).fill(null)
           // Create missing rays, copying the llmId of the former Ray, or using the fallback
-          .map(() => createBRay(rays[rays.length - 1]?.rayLlmId || fallbackLlmId)),
+          .map(() => createBRay(rays[rays.length - 1]?.rayLlmId || null)),
         ],
       });
     }

src/modules/beam/store-beam-vanilla.ts

@@ -42,7 +42,6 @@ const initRootStateSlice = (): RootStateSlice => ({
 
   isOpen: false,
   isMaximized: false,
-  fallbackLlmId: null,
   inputHistory: null,
   inputIssues: null,
   inputReady: false,
@@ -68,7 +67,7 @@ const createRootSlice: StateCreator<BeamStore, [], [], RootStoreSlice> = (_set,
   ...initRootStateSlice(),
 
 
-  open: (chatHistory: Readonly<DMessage[]>, fallbackLlmId: DLLMId | null, callback: BeamSuccessCallback) => {
+  open: (chatHistory: Readonly<DMessage[]>, initialChatLlmId: DLLMId | null, callback: BeamSuccessCallback) => {
     const { isOpen: wasAlreadyOpen, terminateKeepingSettings, setRayLlmIds } = _get();
 
     // reset pending operations
@@ -82,7 +81,6 @@ const createRootSlice: StateCreator<BeamStore, [], [], RootStoreSlice> = (_set,
     _set({
       // input
       isOpen: true,
-      fallbackLlmId: fallbackLlmId,
       inputHistory: isValidHistory ? history : null,
       inputIssues: isValidHistory ? null : 'Invalid history',
       inputReady: isValidHistory,
@@ -91,8 +89,8 @@ const createRootSlice: StateCreator<BeamStore, [], [], RootStoreSlice> = (_set,
       // rays already reset
 
       // update the model only if the dialog was not already open
-      ...(!wasAlreadyOpen && fallbackLlmId && {
-        currentGatherLlmId: fallbackLlmId,
+      ...(!wasAlreadyOpen && initialChatLlmId && {
+        currentGatherLlmId: initialChatLlmId,
       } satisfies Partial<GatherStoreSlice>),
     });
   },