File based settings (#1679)

* Rename GlobalStateContext to SettingsAuthContext

* Naive initial impl of settings persistence to file system

* Update app identifier in tauri config

* Add "show in folder" tauri command

* Load from and save to file system in Tauri app

* Add documents drive to tauri permission scope

* Add recursive prop to default dir selection dialog

* Add success toast to web restore defaults action

* Add a way to validate read-in settings

* Update imports to use separate settings lib file

* Validate localStorage-loaded settings, combine error message

* Add a e2e test for validation

* Clean up state state bugs

* Reverse validation looping so new users don't error

* update settingsMachine typegen to remove conflicts

* Fmt

* Fix TS errors

* Fix import paths, etc post-merge

* Make default length units `mm` and 'metric'

* Rename to SettingsAuth*

* cargo fmt

* Revert Tauri config identifier change

* Update clientSideInfra's baseUnits from settings

* Break apart CommandBar and CommandBarProvider

* Bugfix: don't validate defaultValue when it's not configured

* Allow some TauriFS functions to no-op from browser

* Sidestep circular deps by loading context and kclManager only from React-land

* Update broken import paths

* Separate loaders from Router, load settings on every route

* Break apart settings types, utils, and constants

* Fix Jest tests by decoupling reliance on useLoaderData from SettingsAuthProvider

* Fix up Router loader data with "layout routes"
https://reactrouter.com/en/main/route/route#layout-routes

* Move settings validation and toast to custom hook so the toast renders

* fmt

* Use forks for Vitest
https://vitest.dev/guide/common-errors.html#failed-to-terminate-worker

* $APPCONFIG !== $APPDATA only on Linux
+ change the identifier back since it really doesn't seem to affect app signing

* Debugging on Linux

* Better directory validation, fix reset settings button

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* defaultDirectory can be empty in browser

* fmt

* A snapshot a day keeps the bugs away! 📷🐛 (OS: ubuntu)

* re-trigger CI

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

e2e/playwright/flow-tests.spec.ts

@@ -3,8 +3,8 @@ import { secrets } from './secrets'
 import { getUtils } from './test-utils'
 import waitOn from 'wait-on'
 import { Themes } from '../../src/lib/theme'
+import { initialSettings } from '../../src/lib/settings/initialSettings'
 import { roundOff } from 'lib/utils'
-import { platform } from 'node:os'
 
 /*
 debug helper: unfortunately we do rely on exact coord mouse clicks in a few places
@@ -516,6 +516,55 @@ test('Auto complete works', async ({ page }) => {
   |> xLine(5, %) // lin`)
 })
 
+// Stored settings validation test
+test('Stored settings are validated and fall back to defaults', async ({
+  page,
+  context,
+}) => {
+  // Override beforeEach test setup
+  // with corrupted settings
+  await context.addInitScript(async () => {
+    const storedSettings = JSON.parse(
+      localStorage.getItem('SETTINGS_PERSIST_KEY') || '{}'
+    )
+
+    // Corrupt the settings
+    storedSettings.baseUnit = 'invalid'
+    storedSettings.cameraControls = `() => alert('hack the planet')`
+    storedSettings.defaultDirectory = 123
+    storedSettings.defaultProjectName = false
+
+    localStorage.setItem('SETTINGS_PERSIST_KEY', JSON.stringify(storedSettings))
+  })
+
+  await page.setViewportSize({ width: 1200, height: 500 })
+  await page.goto('/', { waitUntil: 'domcontentloaded' })
+
+  // Check the toast appeared
+  await expect(
+    page.getByText(`Error validating persisted settings:`, {
+      exact: false,
+    })
+  ).toBeVisible()
+
+  // Check the settings were reset
+  const storedSettings = JSON.parse(
+    await page.evaluate(
+      () => localStorage.getItem('SETTINGS_PERSIST_KEY') || '{}'
+    )
+  )
+  await expect(storedSettings.baseUnit).toBe(initialSettings.baseUnit)
+  await expect(storedSettings.cameraControls).toBe(
+    initialSettings.cameraControls
+  )
+  await expect(storedSettings.defaultDirectory).toBe(
+    initialSettings.defaultDirectory
+  )
+  await expect(storedSettings.defaultProjectName).toBe(
+    initialSettings.defaultProjectName
+  )
+})
+
 // Onboarding tests
 test('Onboarding redirects and code updating', async ({ page, context }) => {
   const u = getUtils(page)