feat(desktop,host-service): delete legacy mastra chat in favor of chat-v3

apps/desktop/package.json

@@ -38,9 +38,6 @@
 		"test": "bun test"
 	},
 	"dependencies": {
-		"@ai-sdk/anthropic": "3.0.64",
-		"@ai-sdk/openai": "3.0.36",
-		"@ai-sdk/react": "3.0.143",
 		"@ast-grep/napi": "0.41.1",
 		"@better-auth/api-key": "1.6.22",
 		"@better-auth/stripe": "1.6.22",
@@ -73,7 +70,6 @@
 		"@hono/node-server": "2.0.10",
 		"@hookform/resolvers": "5.2.2",
 		"@lezer/highlight": "1.2.3",
-		"@mastra/core": "1.33.1",
 		"@paper-design/shaders-react": "0.0.77",
 		"@parcel/watcher": "2.5.6",
 		"@pierre/diffs": "1.2.12",
@@ -85,7 +81,6 @@
 		"@streamdown/mermaid": "1.0.2",
 		"@superset/auth": "workspace:*",
 		"@superset/chat": "workspace:*",
-		"@superset/chat-legacy": "workspace:*",
 		"@superset/db": "workspace:*",
 		"@superset/host-service": "workspace:*",
 		"@superset/local-db": "workspace:*",

apps/desktop/src/lib/trpc/routers/index.ts

@@ -7,7 +7,6 @@ import { createBrowserRouter } from "./browser/browser";
 import { createBrowserHistoryRouter } from "./browser-history";
 import { createCacheRouter } from "./cache";
 import { createChangesRouter } from "./changes";
-import { createChatRuntimeServiceRouter } from "./chat-runtime-service";
 import { createChatServiceRouter } from "./chat-service";
 import { createConfigRouter } from "./config";
 import { createDeviceRouter } from "./device";
@@ -33,7 +32,6 @@ import { createWorkspacesRouter } from "./workspaces";
 
 export const createAppRouter = (getWindow: () => BrowserWindow | null) => {
 	return router({
-		chatRuntimeService: createChatRuntimeServiceRouter(),
 		chatService: createChatServiceRouter(),
 		analytics: createAnalyticsRouter(),
 		browser: createBrowserRouter(),

apps/desktop/src/lib/trpc/routers/settings/agent-preset-router.utils.ts

@@ -1,5 +1,4 @@
 import { PROMPT_TRANSPORTS } from "@superset/local-db";
-import type { AgentDefinition } from "@superset/shared/agent-catalog";
 import type {
 	AgentPresetPatch,
 	CustomAgentDefinitionPatch,
@@ -67,10 +66,8 @@ function toTrimmedRequiredValue(field: string, value: string): string {
 }
 
 export function normalizeAgentPresetPatch({
-	definition,
 	patch,
 }: {
-	definition: AgentDefinition;
 	patch: z.infer<typeof updateAgentPresetInputSchema>["patch"];
 }): AgentPresetPatch {
 	const normalized: AgentPresetPatch = {};
@@ -100,23 +97,18 @@ export function normalizeAgentPresetPatch({
 		normalized.taskPromptTemplate = taskPromptTemplate;
 	}
 
-	if (definition.kind === "terminal") {
-		if (patch.command !== undefined) {
-			normalized.command = toTrimmedRequiredValue("Command", patch.command);
-		}
-		if (patch.promptCommand !== undefined) {
-			normalized.promptCommand = toTrimmedRequiredValue(
-				"Prompt command",
-				patch.promptCommand,
-			);
-		}
-		if (patch.promptCommandSuffix !== undefined) {
-			const promptCommandSuffix = patch.promptCommandSuffix?.trim() ?? "";
-			normalized.promptCommandSuffix = promptCommandSuffix || null;
-		}
-	} else if (patch.model !== undefined) {
-		const model = patch.model?.trim() ?? "";
-		normalized.model = model || null;
+	if (patch.command !== undefined) {
+		normalized.command = toTrimmedRequiredValue("Command", patch.command);
+	}
+	if (patch.promptCommand !== undefined) {
+		normalized.promptCommand = toTrimmedRequiredValue(
+			"Prompt command",
+			patch.promptCommand,
+		);
+	}
+	if (patch.promptCommandSuffix !== undefined) {
+		const promptCommandSuffix = patch.promptCommandSuffix?.trim() ?? "";
+		normalized.promptCommandSuffix = promptCommandSuffix || null;
 	}
 
 	if (Object.keys(normalized).length === 0) {

apps/desktop/src/lib/trpc/routers/settings/index.ts

@@ -374,7 +374,6 @@ export const createSettingsRouter = () => {
 				}
 
 				const normalizedPatch = normalizeAgentPresetPatch({
-					definition,
 					patch: input.patch,
 				});
 				const nextOverrides = createOverrideEnvelopeWithPatch({

apps/desktop/src/lib/trpc/routers/ui-state/index.ts

@@ -38,23 +38,13 @@ const fileViewerStateSchema = z.object({
 	oldPath: z.string().optional(),
 });
 
-const chatLaunchConfigSchema = z.object({
-	initialPrompt: z.string().optional(),
-	metadata: z
-		.object({
-			model: z.string().optional(),
-		})
-		.optional(),
-	retryCount: z.number().int().min(0).optional(),
-});
-
 /**
  * Zod schema for Pane
  */
 const paneSchema = z.object({
 	id: z.string(),
 	tabId: z.string(),
-	type: z.enum(["terminal", "webview", "file-viewer", "chat", "devtools"]),
+	type: z.enum(["terminal", "webview", "file-viewer", "devtools"]),
 	name: z.string(),
 	isNew: z.boolean().optional(),
 	status: z.enum(["idle", "working", "permission", "review"]).optional(),
@@ -63,12 +53,6 @@ const paneSchema = z.object({
 	cwd: z.string().nullable().optional(),
 	cwdConfirmed: z.boolean().optional(),
 	fileViewer: fileViewerStateSchema.optional(),
-	chat: z
-		.object({
-			sessionId: z.string().nullable(),
-			launchConfig: chatLaunchConfigSchema.nullable().optional(),
-		})
-		.optional(),
 	browser: z
 		.object({
 			currentUrl: z.string(),

apps/desktop/src/main/host-service/index.ts

@@ -14,7 +14,6 @@ import {
 	installUpgradeSocketGuard,
 	JwtApiAuthProvider,
 	LocalGitCredentialProvider,
-	LocalModelProvider,
 	PskHostAuthProvider,
 	startTerminalReaper,
 } from "@superset/host-service";
@@ -108,7 +107,6 @@ async function main(): Promise<void> {
 			auth: authProvider,
 			hostAuth: new PskHostAuthProvider(env.HOST_SERVICE_SECRET),
 			credentials: new LocalGitCredentialProvider(),
-			modelResolver: new LocalModelProvider(),
 		},
 	});
 

apps/desktop/src/main/lib/notifications/resolve-pane-id.test.ts

@@ -19,16 +19,6 @@ describe("resolvePaneIdFromTabsState", () => {
 				type: "terminal" as const,
 				name: "Terminal",
 			},
-			"pane-chat": {
-				id: "pane-chat",
-				tabId: "tab-1",
-				type: "chat" as const,
-				name: "Chat",
-				chat: {
-					sessionId: "session-1",
-					launchConfig: null,
-				},
-			},
 		},
 		activeTabIds: { "ws-1": "tab-1" },
 		focusedPaneIds: { "tab-1": "pane-1" },
@@ -48,44 +38,19 @@ describe("resolvePaneIdFromTabsState", () => {
 				"pane-new",
 				"tab-new",
 				"ws-new",
-				undefined,
 			),
 		).toBe("pane-new");
 	});
 
 	it("resolves the focused pane from tabId when paneId is missing", () => {
 		expect(
-			resolvePaneIdFromTabsState(
-				tabsState,
-				undefined,
-				"tab-1",
-				undefined,
-				undefined,
-			),
+			resolvePaneIdFromTabsState(tabsState, undefined, "tab-1", undefined),
 		).toBe("pane-1");
 	});
 
 	it("resolves the focused pane from workspaceId when paneId is missing", () => {
 		expect(
-			resolvePaneIdFromTabsState(
-				tabsState,
-				undefined,
-				undefined,
-				"ws-1",
-				undefined,
-			),
+			resolvePaneIdFromTabsState(tabsState, undefined, undefined, "ws-1"),
 		).toBe("pane-1");
 	});
-
-	it("resolves the pane from sessionId when paneId is missing", () => {
-		expect(
-			resolvePaneIdFromTabsState(
-				tabsState,
-				undefined,
-				undefined,
-				undefined,
-				"session-1",
-			),
-		).toBe("pane-chat");
-	});
 });

apps/desktop/src/main/lib/notifications/resolve-pane-id.ts

@@ -15,7 +15,6 @@ export function resolvePaneIdFromTabsState(
 	paneId: string | undefined,
 	tabId: string | undefined,
 	workspaceId: string | undefined,
-	sessionId: string | undefined,
 ): string | undefined {
 	if (paneId) {
 		return paneId;
@@ -40,16 +39,6 @@ export function resolvePaneIdFromTabsState(
 		}
 	}
 
-	if (sessionId) {
-		for (const [existingPaneId, pane] of Object.entries(
-			tabsState.panes ?? {},
-		)) {
-			if (pane.chat?.sessionId === sessionId) {
-				return existingPaneId;
-			}
-		}
-	}
-
 	return undefined;
 }
 
@@ -62,7 +51,6 @@ export function resolvePaneId(
 	paneId: string | undefined,
 	tabId: string | undefined,
 	workspaceId: string | undefined,
-	sessionId: string | undefined,
 ): string | undefined {
 	if (paneId) {
 		return paneId;
@@ -74,7 +62,6 @@ export function resolvePaneId(
 			undefined,
 			tabId,
 			workspaceId,
-			sessionId,
 		);
 	} catch {
 		// App state not initialized yet, ignore

apps/desktop/src/main/lib/notifications/server.test.ts

@@ -5,9 +5,7 @@ import { resolvePaneId } from "./resolve-pane-id";
 describe("notifications/server", () => {
 	describe("resolvePaneId", () => {
 		it("returns an explicit paneId even when app state is not initialized", () => {
-			expect(resolvePaneId("pane-1", "tab-1", "ws-1", "session-1")).toBe(
-				"pane-1",
-			);
+			expect(resolvePaneId("pane-1", "tab-1", "ws-1")).toBe("pane-1");
 		});
 	});
 

apps/desktop/src/main/lib/notifications/server.ts

@@ -99,7 +99,6 @@ app.get("/hook/complete", (req, res) => {
 		paneId as string | undefined,
 		tabId as string | undefined,
 		workspaceId as string | undefined,
-		sessionId as string | undefined,
 	);
 
 	// v1 pane agent-session capture for the v1→v2 migration's resume seeding.