feat: Implement chat pagination, participant single page with mutations, and fix user link substitutions

app/Http/Controllers/DynamicController.php

@@ -52,17 +52,7 @@ class DynamicController extends Controller
 
         $activityService->updateCursor($request->user(), $dynamic);
 
-        $dynamic->load([
-            'ledgers.media',
-            'participants' => fn($query) => $query->withPivot('display_name'),
-            'chat.messages.user',
-            'chat.messages.media',
-            'chat.messages.subject' => function ($morphTo) {
-                $morphTo->morphWith([
-                    \App\Models\Mutation::class => ['ledger'],
-                ]);
-            }
-        ]);
+        $dynamic->load(['ledgers.media', 'participants', 'chat']);
 
         $isOwner = $dynamic->participants()
             ->where('user_id', $request->user()->id)
@@ -72,9 +62,17 @@ class DynamicController extends Controller
         return Inertia::render('Dynamics/Show', [
             'dynamic' => $dynamic,
             'isOwner' => $isOwner,
+            'messages' => $dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(20),
         ]);
     }
 
+    public function messages(Request $request, Dynamic $dynamic)
+    {
+        $this->authorize('view', $dynamic);
+
+        return $dynamic->chat->messages()->with(['user', 'media'])->latest()->paginate(20);
+    }
+
     /**
      * Show the form for editing the specified resource.
      */