feat: Inertia profile settings page, Studio edit redesign, EGS, Nova UI components\n\n- Redesign /dashboard/profile as Inertia React page (Settings/ProfileEdit)\n with SettingsLayout sidebar, Nova UI components (TextInput, Textarea,\n Toggle, Select, RadioGroup, Modal, Button), avatar drag-and-drop,\n password change, and account deletion sections\n- Redesign Studio artwork edit page with two-column layout, Nova components,\n integrated TagPicker, and version history modal\n- Add shared MarkdownEditor component\n- Add Early-Stage Growth System (EGS): SpotlightEngine, FeedBlender,\n GridFiller, AdaptiveTimeWindow, ActivityLayer, admin panel\n- Fix upload category/tag persistence (V1+V2 paths)\n- Fix tag source enum, category tree display, binding resolution\n- Add settings.jsx Vite entry, settings.blade.php wrapper\n- Update ProfileController with JSON response support for API calls\n- Various route fixes (profile.edit, toolbar settings link)"

bootstrap/app.php

@@ -23,5 +23,72 @@ return Application::configure(basePath: dirname(__DIR__))
         ]);
     })
     ->withExceptions(function (Exceptions $exceptions): void {
-        //
+
+        // ── 404 / 410 / 403 — web HTML responses only ─────────────────────────
+        $exceptions->render(function (
+            \Symfony\Component\HttpKernel\Exception\HttpException $e,
+            \Illuminate\Http\Request $request
+        ) {
+            if ($request->expectsJson()) {
+                return null; // Let Laravel produce the default JSON response.
+            }
+
+            $status = $e->getStatusCode();
+
+            // 403 and 401 use their generic Blade views — no extra data needed.
+            if ($status === 403) {
+                return response(view('errors.403', ['message' => $e->getMessage() ?: null]), 403);
+            }
+            if ($status === 401) {
+                return response(view('errors.401'), 401);
+            }
+            if ($status === 410) {
+                return response(view('errors.410'), 410);
+            }
+
+            // Generic 404 — smart URL-pattern routing to contextual views.
+            if ($status === 404) {
+                return app(\App\Http\Controllers\Web\ErrorController::class)
+                    ->handleNotFound($request);
+            }
+
+            return null; // Fallback to Laravel's default.
+        });
+
+        // ── ModelNotFoundException → contextual 404 on web ───────────────────
+        $exceptions->render(function (
+            \Illuminate\Database\Eloquent\ModelNotFoundException $e,
+            \Illuminate\Http\Request $request
+        ) {
+            if ($request->expectsJson()) {
+                return null;
+            }
+
+            return app(\App\Http\Controllers\Web\ErrorController::class)
+                ->handleNotFound($request);
+        });
+
+        // ── 500 server errors — log with correlation ID ───────────────────────
+        $exceptions->render(function (
+            \Throwable $e,
+            \Illuminate\Http\Request $request
+        ) {
+            if ($request->expectsJson()) {
+                return null;
+            }
+
+            // Only handle truly unexpected server errors (not HTTP exceptions already handled above).
+            if ($e instanceof \Symfony\Component\HttpKernel\Exception\HttpException) {
+                return null;
+            }
+
+            try {
+                $correlationId = app(\App\Services\NotFoundLogger::class)->log500($e, $request);
+            } catch (\Throwable) {
+                $correlationId = 'UNKNOWN';
+            }
+
+            return response(view('errors.500', ['correlationId' => $correlationId]), 500);
+        });
+
     })->create();