fix(auto-update-checker): suppress background bun install output

Ultraworked with [Sisyphus](https://github.com/code-yeongyu/oh-my-opencode)

Co-authored-by: Sisyphus <clio-agent@sisyphuslabs.ai>

src/hooks/auto-update-checker/hook/background-update-check.test.ts

@@ -25,7 +25,7 @@ const mockGetCachedVersion = mock((): string | null => "3.4.0")
 const mockGetLatestVersion = mock(async (): Promise<string | null> => "3.5.0")
 const mockExtractChannel = mock(() => "latest")
 const mockInvalidatePackage = mock(() => {})
-const mockRunBunInstall = mock(async () => true)
+const mockRunBunInstallWithDetails = mock(async () => ({ success: true }))
 const mockShowUpdateAvailableToast = mock(
   async (_ctx: PluginInput, _latestVersion: string, _getToastMessage: ToastMessageGetter): Promise<void> => {}
 )
@@ -41,7 +41,7 @@ mock.module("../checker", () => ({
 }))
 mock.module("../version-channel", () => ({ extractChannel: mockExtractChannel }))
 mock.module("../cache", () => ({ invalidatePackage: mockInvalidatePackage }))
-mock.module("../../../cli/config-manager", () => ({ runBunInstall: mockRunBunInstall }))
+mock.module("../../../cli/config-manager", () => ({ runBunInstallWithDetails: mockRunBunInstallWithDetails }))
 mock.module("./update-toasts", () => ({
   showUpdateAvailableToast: mockShowUpdateAvailableToast,
   showAutoUpdatedToast: mockShowAutoUpdatedToast,
@@ -62,7 +62,7 @@ describe("runBackgroundUpdateCheck", () => {
     mockGetLatestVersion.mockReset()
     mockExtractChannel.mockReset()
     mockInvalidatePackage.mockReset()
-    mockRunBunInstall.mockReset()
+    mockRunBunInstallWithDetails.mockReset()
     mockShowUpdateAvailableToast.mockReset()
     mockShowAutoUpdatedToast.mockReset()
 
@@ -70,7 +70,7 @@ describe("runBackgroundUpdateCheck", () => {
     mockGetCachedVersion.mockReturnValue("3.4.0")
     mockGetLatestVersion.mockResolvedValue("3.5.0")
     mockExtractChannel.mockReturnValue("latest")
-    mockRunBunInstall.mockResolvedValue(true)
+    mockRunBunInstallWithDetails.mockResolvedValue({ success: true })
   })
 
   describe("#given no plugin entry found", () => {
@@ -83,7 +83,7 @@ describe("runBackgroundUpdateCheck", () => {
       expect(mockFindPluginEntry).toHaveBeenCalledTimes(1)
       expect(mockShowUpdateAvailableToast).not.toHaveBeenCalled()
       expect(mockShowAutoUpdatedToast).not.toHaveBeenCalled()
-      expect(mockRunBunInstall).not.toHaveBeenCalled()
+      expect(mockRunBunInstallWithDetails).not.toHaveBeenCalled()
     })
   })
 
@@ -110,7 +110,7 @@ describe("runBackgroundUpdateCheck", () => {
       await runBackgroundUpdateCheck(mockCtx, true, getToastMessage)
       //#then
       expect(mockGetLatestVersion).toHaveBeenCalledWith("latest")
-      expect(mockRunBunInstall).not.toHaveBeenCalled()
+      expect(mockRunBunInstallWithDetails).not.toHaveBeenCalled()
       expect(mockShowUpdateAvailableToast).not.toHaveBeenCalled()
       expect(mockShowAutoUpdatedToast).not.toHaveBeenCalled()
     })
@@ -125,7 +125,7 @@ describe("runBackgroundUpdateCheck", () => {
       await runBackgroundUpdateCheck(mockCtx, true, getToastMessage)
       //#then
       expect(mockGetLatestVersion).toHaveBeenCalledTimes(1)
-      expect(mockRunBunInstall).not.toHaveBeenCalled()
+      expect(mockRunBunInstallWithDetails).not.toHaveBeenCalled()
       expect(mockShowUpdateAvailableToast).not.toHaveBeenCalled()
       expect(mockShowAutoUpdatedToast).not.toHaveBeenCalled()
     })
@@ -139,7 +139,7 @@ describe("runBackgroundUpdateCheck", () => {
       await runBackgroundUpdateCheck(mockCtx, autoUpdate, getToastMessage)
       //#then
       expect(mockShowUpdateAvailableToast).toHaveBeenCalledWith(mockCtx, "3.5.0", getToastMessage)
-      expect(mockRunBunInstall).not.toHaveBeenCalled()
+      expect(mockRunBunInstallWithDetails).not.toHaveBeenCalled()
       expect(mockShowAutoUpdatedToast).not.toHaveBeenCalled()
     })
   })
@@ -152,7 +152,7 @@ describe("runBackgroundUpdateCheck", () => {
       await runBackgroundUpdateCheck(mockCtx, true, getToastMessage)
       //#then
       expect(mockShowUpdateAvailableToast).toHaveBeenCalledTimes(1)
-      expect(mockRunBunInstall).not.toHaveBeenCalled()
+      expect(mockRunBunInstallWithDetails).not.toHaveBeenCalled()
       expect(mockShowAutoUpdatedToast).not.toHaveBeenCalled()
     })
 
@@ -182,12 +182,13 @@ describe("runBackgroundUpdateCheck", () => {
   describe("#given unpinned with auto-update and install succeeds", () => {
     it("invalidates cache, installs, and shows auto-updated toast", async () => {
       //#given
-      mockRunBunInstall.mockResolvedValue(true)
+      mockRunBunInstallWithDetails.mockResolvedValue({ success: true })
       //#when
       await runBackgroundUpdateCheck(mockCtx, true, getToastMessage)
       //#then
       expect(mockInvalidatePackage).toHaveBeenCalledTimes(1)
-      expect(mockRunBunInstall).toHaveBeenCalledTimes(1)
+      expect(mockRunBunInstallWithDetails).toHaveBeenCalledTimes(1)
+      expect(mockRunBunInstallWithDetails).toHaveBeenCalledWith({ outputMode: "pipe" })
       expect(mockShowAutoUpdatedToast).toHaveBeenCalledWith(mockCtx, "3.4.0", "3.5.0")
       expect(mockShowUpdateAvailableToast).not.toHaveBeenCalled()
     })
@@ -196,11 +197,12 @@ describe("runBackgroundUpdateCheck", () => {
   describe("#given unpinned with auto-update and install fails", () => {
     it("falls back to notification-only toast", async () => {
       //#given
-      mockRunBunInstall.mockResolvedValue(false)
+      mockRunBunInstallWithDetails.mockResolvedValue({ success: false, error: "install failed" })
       //#when
       await runBackgroundUpdateCheck(mockCtx, true, getToastMessage)
       //#then
-      expect(mockRunBunInstall).toHaveBeenCalledTimes(1)
+      expect(mockRunBunInstallWithDetails).toHaveBeenCalledTimes(1)
+      expect(mockRunBunInstallWithDetails).toHaveBeenCalledWith({ outputMode: "pipe" })
       expect(mockShowUpdateAvailableToast).toHaveBeenCalledWith(mockCtx, "3.5.0", getToastMessage)
       expect(mockShowAutoUpdatedToast).not.toHaveBeenCalled()
     })

src/hooks/auto-update-checker/hook/background-update-check.ts

@@ -1,5 +1,5 @@
 import type { PluginInput } from "@opencode-ai/plugin"
-import { runBunInstall } from "../../../cli/config-manager"
+import { runBunInstallWithDetails } from "../../../cli/config-manager"
 import { log } from "../../../shared/logger"
 import { invalidatePackage } from "../cache"
 import { PACKAGE_NAME } from "../constants"
@@ -13,7 +13,12 @@ function getPinnedVersionToastMessage(latestVersion: string): string {
 
 async function runBunInstallSafe(): Promise<boolean> {
   try {
-    return await runBunInstall()
+    const result = await runBunInstallWithDetails({ outputMode: "pipe" })
+    if (!result.success && result.error) {
+      log("[auto-update-checker] bun install failed:", result.error)
+    }
+
+    return result.success
   } catch (err) {
     const errorMessage = err instanceof Error ? err.message : String(err)
     log("[auto-update-checker] bun install error:", errorMessage)