chore upgrade assistant to AI SDK v7

apps/docs/docs/management/assistant.mdx

@@ -42,6 +42,11 @@ conversation instead of copying text into another widget or the floating panel.
 When the assistant is unavailable, its command-menu result remains visible but disabled and explains that
 an administrator must configure and enable it.
 
+The assistant uses the assistant-ui runtime for **AI SDK v7**. Homarr tracks the newest mutually compatible
+package set permitted by its supply-chain release-age policy. Persisted message rows can still report the upstream
+codec name `ai-sdk/v6`; assistant-ui's current v7 adapter deliberately retains that identifier for its compatible
+UI-message wire format. It does not mean the application is running AI SDK v6.
+
 ## Configure a model provider
 
 Homarr includes presets for OpenRouter, OpenAI, Anthropic Claude, Google Gemini, xAI, Groq, Mistral AI,

apps/nextjs/src/components/assistant/assistant-provider.tsx

@@ -259,6 +259,8 @@ const createHistoryAdapter = (threadId: string | undefined): ThreadHistoryAdapte
   withFormat<TMessage, TStorageFormat extends Record<string, unknown>>(
     formatAdapter: MessageFormatAdapter<TMessage, TStorageFormat>,
   ) {
+    // assistant-ui's current AI SDK v7 runtime intentionally keeps this identifier for its
+    // persisted UIMessage wire format. It is a storage codec name, not the installed SDK version.
     if (formatAdapter.format !== "ai-sdk/v6") {
       throw new Error(`Unsupported assistant message format: ${formatAdapter.format}`);
     }
@@ -375,6 +377,8 @@ const AssistantThreadRuntime = () => {
     sendAutomaticallyWhen: shouldAutomaticallyContinueAssistant,
   });
 
+  // The lower-level AI SDK v7 runtime is intentional: Homarr supplies its own tRPC-backed
+  // thread list and history adapters and shares this chat instance with its custom transport.
   const runtime = useAISDKRuntime(chat, {
     ...assistantAiSdkRuntimeOptions,
     adapters: {

apps/nextjs/src/components/assistant/assistant-runtime-provider.spec.ts

@@ -305,6 +305,16 @@ describe("AssistantRuntimeProviderWithTools", () => {
     await act(async () => root.unmount());
   });
 
+  test("forwards main-thread reloads through the surface runtime", async () => {
+    const { root, a, sharedRuntime } = await renderSurfaceTestAssistant();
+    const reloadMainThread = vi.spyOn(sharedRuntime.threads, "reloadMainThread").mockResolvedValue();
+
+    await act(async () => a.threads().reloadMainThread());
+
+    expect(reloadMainThread).toHaveBeenCalledOnce();
+    await act(async () => root.unmount());
+  });
+
   test("restores focus after the Lexical run-start behavior tries to focus every surface", async () => {
     const outsideInput = document.createElement("input");
     document.body.append(outsideInput);

apps/nextjs/src/components/assistant/assistant-runtime-provider.tsx

@@ -348,6 +348,7 @@ export const createAssistantSurfaceRuntime = (runtime: AssistantRuntime): Assist
     switchToNewThread: () => sharedThreads.switchToNewThread(),
     getLoadThreadsPromise: () => sharedThreads.getLoadThreadsPromise(),
     reload: () => sharedThreads.reload(),
+    reloadMainThread: () => sharedThreads.reloadMainThread(),
     loadMore: () => sharedThreads.loadMore(),
   };
 

packages/api/src/router/assistant.ts

@@ -796,6 +796,7 @@ export const assistantRouter = createTRPCRouter({
         threadId: z.string().max(64),
         id: z.string().min(1).max(128),
         parentId: z.string().max(128).nullable(),
+        // The current assistant-ui AI SDK v7 adapter uses this value as its persisted wire-format identifier.
         format: z.literal("ai-sdk/v6"),
         content: z.unknown(),
       }),

pnpm-workspace.yaml

@@ -3,7 +3,7 @@ packages:
   - packages/*
   - tooling/*
 catalog:
-  "@ai-sdk/react": ^4.0.55
+  "@ai-sdk/react": ^4.0.59
   "@babel/parser": ^7.29.7
   "@codemirror/autocomplete": ^6.20.3
   "@codemirror/commands": ^6.10.3
@@ -215,13 +215,13 @@ catalog:
   zod: ^4.4.3
   zod-form-data: ^3.0.2
   zod-validation-error: ^5.0.0
-  "@assistant-ui/react": ^0.14.27
-  "@assistant-ui/react-ai-sdk": ^1.3.41
-  "@assistant-ui/react-lexical": 0.2.0
-  "@assistant-ui/react-markdown": ^0.14.7
-  ai: ^7.0.37
-  assistant-stream: ^0.3.26
-  "@ai-sdk/openai-compatible": 3.0.14
+  "@assistant-ui/react": 0.15.8
+  "@assistant-ui/react-ai-sdk": 1.4.4
+  "@assistant-ui/react-lexical": 0.2.7
+  "@assistant-ui/react-markdown": 0.14.9
+  ai: ^7.0.56
+  assistant-stream: 0.3.34
+  "@ai-sdk/openai-compatible": 3.0.25
   remark-breaks: ^4.0.0
   remark-directive: ^3.0.1
   remark-gfm: ^4.0.1
@@ -247,6 +247,14 @@ minimumReleaseAgeExclude:
   # Renovate security update: esbuild@0.28.1
   - esbuild@0.28.1
 overrides:
+  "@assistant-ui/react-ai-sdk>@ai-sdk/mcp": 2.0.27
+  "@assistant-ui/react-ai-sdk>@ai-sdk/react": 4.0.59
+  "@assistant-ui/react-ai-sdk>ai": 7.0.56
+  "@assistant-ui/react-ai-sdk>assistant-stream": 0.3.34
+  "@assistant-ui/core": 0.3.7
+  "@assistant-ui/store": 0.3.5
+  "@assistant-ui/tap": 0.9.10
+  "assistant-cloud": 0.1.38
   "@babel/helpers@<7.26.10": ">=7.29.7"
   "@babel/runtime@<7.26.10": ">=7.29.7"
   "axios@>=1.0.0 <1.8.2": ">=1.18.1"