fix(02): revise plans based on checker feedback

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.planning/phases/02-provider-migration/02-02-PLAN.md

@@ -215,7 +215,8 @@ Run `flutter analyze` — no errors.
 Verify main() is async with WidgetsFlutterBinding.ensureInitialized().
 Verify MultiProvider wraps SpeedoApp with all 4 providers.
 Verify provider order: SharedPreferences first, then SettingsProvider, GpsDataManager, OverlayProvider.
-Verify ChangeNotifierProxyProvider2 passes dependencies to OverlayProvider.updateDependencies().
+Verify ChangeNotifierProxyProvider2 passes dependencies to OverlayProvider.updateDependencies():
+  Grep for `ChangeNotifierProxyProvider2` in lib/main.dart and confirm it calls `updateDependencies`.
 Verify overlayMain() is unchanged.
 Verify SpeedoApp no longer has isOverlayMode parameter.
   </verify>
@@ -230,6 +231,8 @@ main.dart wires MultiProvider with pre-initialized SharedPreferences, three Chan
   <action>
 Full rewrite of SpeedometerScreen to consume providers via Consumer/Selector. This is the core of the "big bang migration."
 
+**Trip tracking code removal:** Not needed — grep confirms no trip-related state, methods, or UI exist in the codebase. The context decision "remove trip tracking entirely" is satisfied by absence.
+
 **State variables to REMOVE (now in providers):**
 - `_currentUnit` — now in SettingsProvider
 - `_currentThemeIndex` — now in SettingsProvider