Add toggleable wire:navigate SPA navigation with prefetching

Implement instance-wide SPA navigation toggle that enables smooth page transitions with prefetching on hover. Excludes terminal links which require full page lifecycle for WebSocket connections. Adds defensive checks to global-search component for SPA navigation compatibility.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Haiku 4.5 <noreply@anthropic.com>

resources/views/source/all.blade.php

@@ -15,6 +15,7 @@
         @forelse ($sources as $source)
             @if ($source->getMorphClass() === 'App\Models\GithubApp')
                 <a class="flex gap-2 text-center hover:no-underline coolbox group"
+                    {{ wireNavigate() }}
                     href="{{ route('source.github.show', ['github_app_uuid' => data_get($source, 'uuid')]) }}">
                     {{-- <x-git-icon class="dark:text-white w-8 h-8 mt-1" git="{{ $source->getMorphClass() }}" /> --}}
                     <div class="text-left dark:group-hover:text-white flex flex-col justify-center mx-6">