diff --git a/packages/cli-kit/src/private/node/notifications-schema.ts b/packages/cli-kit/src/private/node/notifications-schema.ts
new file mode 100644
index 00000000000..43d1dc79fb9
--- /dev/null
+++ b/packages/cli-kit/src/private/node/notifications-schema.ts
@@ -0,0 +1,28 @@
+import {zod} from '../../public/node/schema.js'
+
+export const NotificationSchema = zod.object({
+  id: zod.string(),
+  message: zod.string(),
+  type: zod.enum(['info', 'warning', 'error']),
+  frequency: zod.enum(['always', 'once', 'once_a_day', 'once_a_week']),
+  ownerChannel: zod.string(),
+  cta: zod
+    .object({
+      label: zod.string(),
+      url: zod.string().url(),
+    })
+    .optional(),
+  title: zod.string().optional(),
+  minVersion: zod.string().optional(),
+  maxVersion: zod.string().optional(),
+  minDate: zod.string().optional(),
+  maxDate: zod.string().optional(),
+  commands: zod.array(zod.string()).optional(),
+  surface: zod.string().optional(),
+})
+
+export type Notification = zod.infer<typeof NotificationSchema>
+
+export const NotificationsSchema = zod.object({notifications: zod.array(NotificationSchema)})
+
+export type Notifications = zod.infer<typeof NotificationsSchema>
diff --git a/packages/cli-kit/src/private/node/session-alias.ts b/packages/cli-kit/src/private/node/session-alias.ts
new file mode 100644
index 00000000000..c0d93267756
--- /dev/null
+++ b/packages/cli-kit/src/private/node/session-alias.ts
@@ -0,0 +1,35 @@
+import {setCommandSessionId} from './session/command-session.js'
+import * as sessionStore from './session/store.js'
+import {AbortError} from '../../public/node/error.js'
+import {outputContent, outputToken} from '../../public/node/output.js'
+
+/**
+ * Finds a stored Shopify account session by alias without changing the current session.
+ *
+ * @param alias - The account alias to find.
+ * @returns The matching session ID, or undefined if no session matches.
+ */
+export async function findSessionIdByAlias(alias: string): Promise<string | undefined> {
+  return sessionStore.findSessionByAlias(alias)
+}
+
+/**
+ * Selects a stored Shopify account session by alias for the current command process.
+ *
+ * @param alias - The account alias to select. Passing undefined clears the command selection.
+ */
+export async function setCurrentSessionAlias(alias?: string): Promise<void> {
+  if (!alias) {
+    setCommandSessionId(undefined)
+    return
+  }
+
+  const sessionId = await findSessionIdByAlias(alias)
+  if (!sessionId) {
+    throw new AbortError(
+      outputContent`No authenticated account found for alias ${outputToken.yellow(alias)}.`,
+      outputContent`Run ${outputToken.genericShellCommand(`shopify auth login`)} first.`,
+    )
+  }
+  setCommandSessionId(sessionId)
+}
diff --git a/packages/cli-kit/src/private/node/session.ts b/packages/cli-kit/src/private/node/session.ts
index 3eb9f9e5ee6..6a5ca5ac5e1 100644
--- a/packages/cli-kit/src/private/node/session.ts
+++ b/packages/cli-kit/src/private/node/session.ts
@@ -15,6 +15,7 @@ import {pollForDeviceAuthorization, requestDeviceAuthorization} from './session/
 import {isThemeAccessSession} from './api/rest.js'
 import {getCurrentSessionId, setCurrentSessionId} from './conf-store.js'
 import {UserEmailQueryString, UserEmailQuery} from './api/graphql/business-platform-destinations/user-email.js'
+import {getCommandSessionId} from './session/command-session.js'
 import {outputContent, outputToken, outputDebug, outputCompleted} from '../../public/node/output.js'
 import {themeToken} from '../../public/node/context/local.js'
 import {AbortError} from '../../public/node/error.js'
@@ -25,6 +26,8 @@ import {nonRandomUUID} from '../../public/node/crypto.js'
 import {isEmpty} from '../../public/common/object.js'
 import {businessPlatformRequest} from '../../public/node/api/business-platform.js'
 
+export {setCommandSessionId} from './session/command-session.js'
+
 /**
  * Fetches the user's email from the Business Platform API
  * @param businessPlatformToken - The business platform token
@@ -118,7 +121,6 @@ type AuthMethod = 'partners_token' | 'device_auth' | 'theme_access_token' | 'cus
 
 let userId: undefined | string
 let authMethod: AuthMethod = 'none'
-let commandSessionId: string | undefined
 
 /**
  * Retrieves a stable user identifier for analytics, or `'unknown'` if none applies.
@@ -180,10 +182,6 @@ export function setLastSeenAuthMethod(method: AuthMethod) {
   authMethod = method
 }
 
-export function setCommandSessionId(sessionId: string | undefined) {
-  commandSessionId = sessionId
-}
-
 export interface EnsureAuthenticatedAdditionalOptions {
   noPrompt?: boolean
   forceRefresh?: boolean
@@ -215,6 +213,7 @@ export async function ensureAuthenticated(
 
   const sessions = (await sessionStore.fetch()) ?? {}
 
+  const commandSessionId = getCommandSessionId()
   let currentSessionId = forceNewSession ? undefined : (commandSessionId ?? getCurrentSessionId())
   if (!currentSessionId && !commandSessionId) {
     const userIds = Object.keys(sessions[fqdn] ?? {})
diff --git a/packages/cli-kit/src/private/node/session/command-session.ts b/packages/cli-kit/src/private/node/session/command-session.ts
new file mode 100644
index 00000000000..e00302d3ec2
--- /dev/null
+++ b/packages/cli-kit/src/private/node/session/command-session.ts
@@ -0,0 +1,9 @@
+let commandSessionId: string | undefined
+
+export function getCommandSessionId(): string | undefined {
+  return commandSessionId
+}
+
+export function setCommandSessionId(sessionId: string | undefined): void {
+  commandSessionId = sessionId
+}
diff --git a/packages/cli-kit/src/private/node/terminal.ts b/packages/cli-kit/src/private/node/terminal.ts
new file mode 100644
index 00000000000..aa31ec87255
--- /dev/null
+++ b/packages/cli-kit/src/private/node/terminal.ts
@@ -0,0 +1,13 @@
+import {isTruthy} from '../../public/node/context/utilities.js'
+
+/**
+ * Check if the standard input and output streams support prompting.
+ *
+ * @returns True if the standard input and output streams support prompting.
+ */
+export function terminalSupportsPrompting(): boolean {
+  if (isTruthy(process.env.CI)) {
+    return false
+  }
+  return Boolean(process.stdin.isTTY && process.stdout.isTTY)
+}
diff --git a/packages/cli-kit/src/public/node/base-command.ts b/packages/cli-kit/src/public/node/base-command.ts
index c81438e52ff..0d8436cc524 100644
--- a/packages/cli-kit/src/public/node/base-command.ts
+++ b/packages/cli-kit/src/public/node/base-command.ts
@@ -1,12 +1,11 @@
-import {isDevelopment} from './context/local.js'
 import {addPublicMetadata} from './metadata.js'
 import {AbortError} from './error.js'
 import {outputContent, outputResult, outputToken} from './output.js'
-import {setCurrentSessionAlias} from './session.js'
-import {terminalSupportsPrompting} from './system.js'
 import {hashString} from './crypto.js'
 import {isTruthy} from './context/utilities.js'
 import {setCurrentCommandId} from './global-context.js'
+import {setCurrentSessionAlias} from '../../private/node/session-alias.js'
+import {terminalSupportsPrompting} from '../../private/node/terminal.js'
 import {JsonMap} from '../../private/common/json.js'
 import {underscore} from '../common/string.js'
 import {Command, Config, Errors} from '@oclif/core'
@@ -61,11 +60,6 @@ abstract class BaseCommand extends Command {
   protected async init(): Promise<unknown> {
     this.exitWithTimestampWhenEnvVariablePresent()
     setCurrentCommandId(this.id ?? '')
-    if (!isDevelopment()) {
-      // This function runs just prior to `run`
-      const {registerCleanBugsnagErrorsFromWithinPlugins} = await import('./error-handler.js')
-      await registerCleanBugsnagErrorsFromWithinPlugins(this.config)
-    }
     await removeDuplicatedPlugins(this.config)
     this.showNpmFlagWarning()
     const {showNotificationsIfNeeded} = await import('./notifications-system.js')
diff --git a/packages/cli-kit/src/public/node/error-handler.test.ts b/packages/cli-kit/src/public/node/error-handler.test.ts
index 6a6e5a1a14e..bbd0c785d05 100644
--- a/packages/cli-kit/src/public/node/error-handler.test.ts
+++ b/packages/cli-kit/src/public/node/error-handler.test.ts
@@ -13,6 +13,7 @@ import {beforeEach, describe, expect, test, vi} from 'vitest'
 
 const onNotify = vi.fn()
 const capturedEventHandler = vi.fn()
+const addOnError = vi.hoisted(() => vi.fn())
 let lastBugsnagEvent: {addMetadata: ReturnType<typeof vi.fn>; groupingHash?: string} | undefined
 
 vi.mock('process')
@@ -34,7 +35,7 @@ vi.mock('@bugsnag/js', () => {
         callback(null)
       },
       isStarted: () => true,
-      addOnError: vi.fn(),
+      addOnError,
     },
   }
 })
@@ -284,6 +285,18 @@ describe('sends errors to Bugsnag', () => {
     expect(mockEvent.setUser).toHaveBeenCalledWith(undefined)
   })
 
+  test('registers plugin stack cleanup once before reporting errors', async () => {
+    const config = {
+      plugins: [],
+      runHook: vi.fn().mockResolvedValue({successes: []}),
+    } as unknown as NonNullable<Parameters<typeof sendErrorToBugsnag>[2]>
+
+    await sendErrorToBugsnag(new Error('first error'), 'unexpected_error', config)
+    await sendErrorToBugsnag(new Error('second error'), 'unexpected_error', config)
+
+    expect(addOnError).toHaveBeenCalledOnce()
+  })
+
   test('attaches custom metadata with allowed slice_name when startCommand is present', async () => {
     await metadata.addSensitiveMetadata(() => ({
       commandStartOptions: {startTime: Date.now(), startCommand: 'app dev', startArgs: []},
diff --git a/packages/cli-kit/src/public/node/error-handler.ts b/packages/cli-kit/src/public/node/error-handler.ts
index 706249ed1d4..a11215520c4 100644
--- a/packages/cli-kit/src/public/node/error-handler.ts
+++ b/packages/cli-kit/src/public/node/error-handler.ts
@@ -11,6 +11,7 @@ import {
   cleanSingleStackTracePath,
 } from './error.js'
 import {outputDebug, outputInfo} from './output.js'
+import {isDevelopment} from './context/local.js'
 import {getEnvironmentData} from '../../private/node/analytics.js'
 import {resolveErrorGrouping} from '../../private/node/analytics/error-grouping.js'
 import {isLocalEnvironment} from '../../private/node/context/service.js'
@@ -66,7 +67,7 @@ const reportError = async (error: unknown, config?: Interfaces.Config): Promise<
     // Log an analytics event when there's an error
     await reportAnalyticsEvent({config, errorMessage: error instanceof Error ? error.message : undefined, exitMode})
   }
-  await sendErrorToBugsnag(error, exitMode)
+  await sendErrorToBugsnag(error, exitMode, config)
 }
 
 /**
@@ -77,6 +78,7 @@ const reportError = async (error: unknown, config?: Interfaces.Config): Promise<
 export async function sendErrorToBugsnag(
   error: unknown,
   exitMode: Omit<CommandExitMode, 'ok'>,
+  config?: Interfaces.Config,
 ): Promise<{reported: false; error: unknown; unhandled: unknown} | {error: Error; reported: true; unhandled: boolean}> {
   try {
     if (isLocalEnvironment() || settings.debug) {
@@ -146,6 +148,7 @@ export async function sendErrorToBugsnag(
         // Observe will use the IP when undefined
         userId = undefined
       }
+      if (config && !isDevelopment()) await registerCleanBugsnagErrorsFromWithinPlugins(config)
       await new Promise((resolve, reject) => {
         outputDebug(`Reporting ${unhandled ? 'unhandled' : 'handled'} error to Bugsnag: ${reportableError.message}`)
         const eventHandler = (event: Event) => {
@@ -233,7 +236,14 @@ export function cleanStackFrameFilePath({
  * Register a Bugsnag error listener to clean up stack traces for errors within plugin code.
  *
  */
+let pluginStackCleanupRegistration: Promise<void> | undefined
+
 export async function registerCleanBugsnagErrorsFromWithinPlugins(config: Interfaces.Config): Promise<void> {
+  pluginStackCleanupRegistration ??= registerPluginStackCleanup(config)
+  await pluginStackCleanupRegistration
+}
+
+async function registerPluginStackCleanup(config: Interfaces.Config): Promise<void> {
   // Bugsnag have their own plug-ins that use this private field
 
   // eslint-disable-next-line @typescript-eslint/no-explicit-any
diff --git a/packages/cli-kit/src/public/node/notifications-system.test.ts b/packages/cli-kit/src/public/node/notifications-system.test.ts
index 1eefbe57a37..1a9be2e3cad 100644
--- a/packages/cli-kit/src/public/node/notifications-system.test.ts
+++ b/packages/cli-kit/src/public/node/notifications-system.test.ts
@@ -449,10 +449,12 @@ describe('fetchNotificationsInBackground', () => {
     })
 
     // Then
-    expect(exec).toHaveBeenCalledWith(
-      '/path/to/node',
-      ['/path/to/shopify', 'notifications', 'list', '--ignore-errors'],
-      expect.anything(),
-    )
+    await vi.waitFor(() => {
+      expect(exec).toHaveBeenCalledWith(
+        '/path/to/node',
+        ['/path/to/shopify', 'notifications', 'list', '--ignore-errors'],
+        expect.anything(),
+      )
+    })
   })
 })
diff --git a/packages/cli-kit/src/public/node/notifications-system.ts b/packages/cli-kit/src/public/node/notifications-system.ts
index d9eade1f1cb..26f314f81b5 100644
--- a/packages/cli-kit/src/public/node/notifications-system.ts
+++ b/packages/cli-kit/src/public/node/notifications-system.ts
@@ -1,15 +1,14 @@
 import {versionSatisfies} from './node-package-manager.js'
-import {renderError, renderInfo, renderWarning} from './ui.js'
 import {getCurrentCommandId} from './global-context.js'
 import {outputDebug} from './output.js'
-import {zod} from './schema.js'
 import {AbortSilentError} from './error.js'
 import {isTruthy} from './context/utilities.js'
-import {exec} from './system.js'
 import {jsonOutputEnabled} from './environment.js'
-import {fetch} from './http.js'
 import {CLI_KIT_VERSION} from '../common/version.js'
 import {NotificationKey, NotificationsKey, cacheRetrieve, cacheStore} from '../../private/node/conf-store.js'
+import type {Notification, Notifications} from '../../private/node/notifications-schema.js'
+
+export type {Notification, Notifications} from '../../private/node/notifications-schema.js'
 
 const URL = 'https://cdn.shopify.com/static/cli/notifications.json'
 const EMPTY_CACHE_MESSAGE = 'Cache is empty'
@@ -27,31 +26,6 @@ function url(): string {
   return process.env.SHOPIFY_CLI_NOTIFICATIONS_URL ?? URL
 }
 
-const NotificationSchema = zod.object({
-  id: zod.string(),
-  message: zod.string(),
-  type: zod.enum(['info', 'warning', 'error']),
-  frequency: zod.enum(['always', 'once', 'once_a_day', 'once_a_week']),
-  ownerChannel: zod.string(),
-  cta: zod
-    .object({
-      label: zod.string(),
-      url: zod.string().url(),
-    })
-    .optional(),
-  title: zod.string().optional(),
-  minVersion: zod.string().optional(),
-  maxVersion: zod.string().optional(),
-  minDate: zod.string().optional(),
-  maxDate: zod.string().optional(),
-  commands: zod.array(zod.string()).optional(),
-  surface: zod.string().optional(),
-})
-export type Notification = zod.infer<typeof NotificationSchema>
-
-const NotificationsSchema = zod.object({notifications: zod.array(NotificationSchema)})
-export type Notifications = zod.infer<typeof NotificationsSchema>
-
 /**
  * Shows notifications to the user if they meet the criteria specified in the notifications.json file.
  *
@@ -98,7 +72,11 @@ function skipNotifications(currentCommand: string, environment: NodeJS.ProcessEn
  * @param notifications - The notifications to render.
  */
 async function renderNotifications(notifications: Notification[]) {
-  notifications.slice(0, 2).forEach((notification) => {
+  const notificationsToRender = notifications.slice(0, 2)
+  if (notificationsToRender.length === 0) return
+
+  const {renderError, renderInfo, renderWarning} = await import('./ui.js')
+  notificationsToRender.forEach((notification) => {
     const content = {
       headline: notification.title,
       body: notification.message.replace(/\\n/g, '\n'),
@@ -132,6 +110,7 @@ export async function getNotifications(): Promise<Notifications> {
   const rawNotifications = cacheRetrieve(cacheKey)?.value as unknown as string
   if (!rawNotifications) throw new Error(EMPTY_CACHE_MESSAGE)
   const notifications: object = JSON.parse(rawNotifications)
+  const {NotificationsSchema} = await import('../../private/node/notifications-schema.js')
   return NotificationsSchema.parse(notifications)
 }
 
@@ -142,6 +121,10 @@ export async function getNotifications(): Promise<Notifications> {
  */
 export async function fetchNotifications(): Promise<Notifications> {
   outputDebug(`Fetching notifications...`)
+  const [{fetch}, {NotificationsSchema}] = await Promise.all([
+    import('./http.js'),
+    import('../../private/node/notifications-schema.js'),
+  ])
   const response = await fetch(url(), undefined, {
     useNetworkLevelRetry: false,
     useAbortSignal: true,
@@ -187,13 +170,19 @@ export function fetchNotificationsInBackground(
   const args = [shopifyBinary, 'notifications', 'list', '--ignore-errors']
 
   // eslint-disable-next-line no-void
-  void exec(nodeBinary, args, {
-    background: true,
-    env: {...process.env, SHOPIFY_CLI_NO_ANALYTICS: '1'},
-    externalErrorHandler: async (error: unknown) => {
+  void import('./system.js')
+    .then(({exec}) =>
+      exec(nodeBinary, args, {
+        background: true,
+        env: {...process.env, SHOPIFY_CLI_NO_ANALYTICS: '1'},
+        externalErrorHandler: async (error: unknown) => {
+          outputDebug(`Failed to fetch notifications in background: ${(error as Error).message}`)
+        },
+      }),
+    )
+    .catch((error: unknown) => {
       outputDebug(`Failed to fetch notifications in background: ${(error as Error).message}`)
-    },
-  })
+    })
 }
 
 /**
diff --git a/packages/cli-kit/src/public/node/session.test.ts b/packages/cli-kit/src/public/node/session.test.ts
index 449992bb4b8..3d7cfd5a7da 100644
--- a/packages/cli-kit/src/public/node/session.test.ts
+++ b/packages/cli-kit/src/public/node/session.test.ts
@@ -14,12 +14,8 @@ import {
 import {nonRandomUUID} from './crypto.js'
 import {getAppAutomationToken} from './environment.js'
 import {shopifyFetch} from './http.js'
-import {
-  ensureAuthenticated,
-  setCommandSessionId,
-  setLastSeenAuthMethod,
-  setLastSeenUserIdAfterAuth,
-} from '../../private/node/session.js'
+import {ensureAuthenticated, setLastSeenAuthMethod, setLastSeenUserIdAfterAuth} from '../../private/node/session.js'
+import {setCommandSessionId} from '../../private/node/session/command-session.js'
 import * as sessionStore from '../../private/node/session/store.js'
 import {ApplicationToken} from '../../private/node/session/schema.js'
 import {
@@ -39,6 +35,7 @@ const partnersToken: ApplicationToken = {
 }
 
 vi.mock('../../private/node/session.js')
+vi.mock('../../private/node/session/command-session.js')
 vi.mock('../../private/node/session/exchange.js')
 vi.mock('../../private/node/session/store.js')
 vi.mock('./environment.js')
diff --git a/packages/cli-kit/src/public/node/session.ts b/packages/cli-kit/src/public/node/session.ts
index 15be5d39cbf..79812ce4e03 100644
--- a/packages/cli-kit/src/public/node/session.ts
+++ b/packages/cli-kit/src/public/node/session.ts
@@ -17,12 +17,13 @@ import {
   PartnersAPIScope,
   StorefrontRendererScope,
   ensureAuthenticated,
-  setCommandSessionId,
   setLastSeenAuthMethod,
   setLastSeenUserIdAfterAuth,
 } from '../../private/node/session.js'
 import {isThemeAccessSession} from '../../private/node/api/rest.js'
 
+export {findSessionIdByAlias, setCurrentSessionAlias} from '../../private/node/session-alias.js'
+
 /**
  * Session Object to access the Admin API, includes the token and the store FQDN.
  */
@@ -52,37 +53,6 @@ export function setLastSeenUserId(userId: string): void {
   setLastSeenUserIdAfterAuth(userId)
 }
 
-/**
- * Finds a stored Shopify account session by alias without changing the current session.
- *
- * @param alias - The account alias to find.
- * @returns The matching session ID, or undefined if no session matches.
- */
-export async function findSessionIdByAlias(alias: string): Promise<string | undefined> {
-  return sessionStore.findSessionByAlias(alias)
-}
-
-/**
- * Selects a stored Shopify account session by alias for the current command process.
- *
- * @param alias - The account alias to select. Passing undefined clears the command selection.
- */
-export async function setCurrentSessionAlias(alias?: string): Promise<void> {
-  if (!alias) {
-    setCommandSessionId(undefined)
-    return
-  }
-
-  const sessionId = await findSessionIdByAlias(alias)
-  if (!sessionId) {
-    throw new AbortError(
-      outputContent`No authenticated account found for alias ${outputToken.yellow(alias)}.`,
-      outputContent`Run ${outputToken.genericShellCommand(`shopify auth login`)} first.`,
-    )
-  }
-  setCommandSessionId(sessionId)
-}
-
 interface UserAccountInfo {
   type: 'UserAccount'
   email: string
diff --git a/packages/cli-kit/src/public/node/system.ts b/packages/cli-kit/src/public/node/system.ts
index aa997f8c5d8..e8d25056c9b 100644
--- a/packages/cli-kit/src/public/node/system.ts
+++ b/packages/cli-kit/src/public/node/system.ts
@@ -16,6 +16,8 @@ import {fstatSync} from 'fs'
 import {setTimeout} from 'timers/promises'
 import type {Writable, Readable} from 'stream'
 
+export {terminalSupportsPrompting} from '../../private/node/terminal.js'
+
 /**
  * The maximum size of data that can be read from stdin in bytes.
  * This is to prevent memory exhaustion when reading from stdin.
@@ -332,18 +334,6 @@ export function terminalSupportsHyperlinks(): boolean {
   return supportsHyperlinks.stdout
 }
 
-/**
- * Check if the standard input and output streams support prompting.
- *
- * @returns True if the standard input and output streams support prompting.
- */
-export function terminalSupportsPrompting(): boolean {
-  if (isTruthy(process.env.CI)) {
-    return false
-  }
-  return Boolean(process.stdin.isTTY && process.stdout.isTTY)
-}
-
 /**
  * Check if the current environment is a CI environment.
  *