fix: resolve all lint errors — exclude generated dirs, auto-fix source

Exclude drizzle/ and .planning/ from Biome (generated files with
incompatible formatting). Auto-fix import ordering and formatting
in existing source files.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src/client/routes/__root.tsx

@@ -59,7 +59,10 @@ function RootLayout() {
 
 	// Don't show onboarding wizard until user has created an account
 	const showWizard =
-		!onboardingLoading && onboardingComplete !== "true" && !wizardDismissed && isAuthenticated;
+		!onboardingLoading &&
+		onboardingComplete !== "true" &&
+		!wizardDismissed &&
+		isAuthenticated;
 
 	const isItemPanelOpen = panelMode !== "closed";
 	const isCandidatePanelOpen = candidatePanelMode !== "closed";