better system messages, display name relocation

app/Http/Controllers/DynamicController.php

@@ -56,7 +56,12 @@ class DynamicController extends Controller
             'ledgers.media',
             'participants' => fn($query) => $query->withPivot('display_name'),
             'chat.messages.user',
-            'chat.messages.media'
+            'chat.messages.media',
+            'chat.messages.subject' => function ($morphTo) {
+                $morphTo->morphWith([
+                    \App\Models\Mutation::class => ['ledger'],
+                ]);
+            }
         ]);
 
         $isOwner = $dynamic->participants()

app/Http/Controllers/DynamicInvitationController.php

@@ -116,7 +116,7 @@ class DynamicInvitationController extends Controller
             // Log to Dynamic chat activity log!
             $dynamic->chat->messages()->create([
                 'user_id' => null,
-                'content' => "{$request->user()->name} joined the Dynamic as a " . strtoupper($invitation->role),
+                'content' => "<user:{$request->user()->id}> joined the Dynamic as a " . strtoupper($invitation->role),
                 'subject_id' => $request->user()->id,
                 'subject_type' => \App\Models\User::class,
             ]);

app/Http/Controllers/LedgerController.php

@@ -74,7 +74,12 @@ class LedgerController extends Controller
             'mutations.user',
             'mutations.media',
             'mutations.chat.messages.user',
-            'mutations.chat.messages.media'
+            'mutations.chat.messages.media',
+            'mutations.chat.messages.subject' => function ($morphTo) {
+                $morphTo->morphWith([
+                    \App\Models\Mutation::class => ['ledger'],
+                ]);
+            }
         ]);
 
         $isOwner = $dynamic->participants()

app/Http/Controllers/MutationController.php

@@ -67,30 +67,6 @@ class MutationController extends Controller
             return $mutation;
         });
 
-        // Log to Mutation and Dynamic chats
-        $user = $request->user();
-
-        $mutationMsg = $mutation->chat->messages()->create([
-            'user_id' => $user->id,
-            'content' => $status === 'approved'
-                ? "System: Entry was created by {$user->name}."
-                : "System: Suggestion was created by {$user->name}.",
-        ]);
-        broadcast(new \App\Events\MessageSent($mutationMsg));
-
-        if ($status === 'approved') {
-            $dynamicMsg = $dynamic->chat->messages()->create([
-                'user_id' => $user->id,
-                'content' => "System: {$user->name} added entry \"{$mutation->description}\" for " . ($mutation->amount >= 0 ? '+' : '') . "{$mutation->amount} points on \"{$ledger->name}\" ledger.",
-            ]);
-        } else {
-            $dynamicMsg = $dynamic->chat->messages()->create([
-                'user_id' => $user->id,
-                'content' => "System: {$user->name} suggested \"{$mutation->description}\" for " . ($mutation->amount >= 0 ? '+' : '') . "{$mutation->amount} points on \"{$ledger->name}\" ledger.",
-            ]);
-        }
-        broadcast(new \App\Events\MessageSent($dynamicMsg));
-
         // Broadcast the real-time creation event!
         broadcast(new \App\Events\MutationCreated($mutation));
 
@@ -151,20 +127,26 @@ class MutationController extends Controller
         $statusText = strtoupper($newStatus);
 
         $mutationMsg = $mutation->chat->messages()->create([
-            'user_id' => $user->id,
-            'content' => "System: Suggestion was {$statusText} by {$user->name}.",
+            'user_id' => null,
+            'content' => "Suggestion was {$statusText} by <user:{$user->id}>.",
+            'subject_id' => $mutation->id,
+            'subject_type' => Mutation::class,
         ]);
         broadcast(new \App\Events\MessageSent($mutationMsg));
 
         if ($newStatus === 'approved') {
             $dynamicMsg = $dynamic->chat->messages()->create([
-                'user_id' => $user->id,
-                'content' => "System: {$user->name} APPROVED the suggestion \"{$mutation->description}\" for " . ($mutation->amount >= 0 ? '+' : '') . "{$mutation->amount} points on \"{$ledger->name}\" ledger.",
+                'user_id' => null,
+                'content' => "<user:{$user->id}> APPROVED the suggestion \"{$mutation->description}\" for " . ($mutation->amount >= 0 ? '+' : '') . "{$mutation->amount} points on \"{$ledger->name}\" ledger.",
+                'subject_id' => $mutation->id,
+                'subject_type' => Mutation::class,
             ]);
         } else {
             $dynamicMsg = $dynamic->chat->messages()->create([
-                'user_id' => $user->id,
-                'content' => "System: {$user->name} REJECTED the suggestion \"{$mutation->description}\" on \"{$ledger->name}\" ledger.",
+                'user_id' => null,
+                'content' => "<user:{$user->id}> REJECTED the suggestion \"{$mutation->description}\" on \"{$ledger->name}\" ledger.",
+                'subject_id' => $mutation->id,
+                'subject_type' => Mutation::class,
             ]);
         }
         broadcast(new \App\Events\MessageSent($dynamicMsg));

app/Http/Controllers/ParticipantController.php

@@ -3,10 +3,40 @@
 namespace App\Http\Controllers;
 
 use App\Models\Dynamic;
+use App\Models\User;
 use Illuminate\Http\Request;
+use Inertia\Inertia;
 
 class ParticipantController extends Controller
 {
+    public function show(Request $request, Dynamic $dynamic, User $user)
+    {
+        // Ensure both the authenticated user and the target user are in the dynamic
+        if (!$dynamic->participants()->where('user_id', $request->user()->id)->exists()) {
+            abort(403);
+        }
+
+        $participant = $dynamic->participants()->where('user_id', $user->id)->firstOrFail();
+
+        $mutations = $user->mutations()
+            ->whereHas('ledger', fn($query) => $query->where('dynamic_id', $dynamic->id))
+            ->with('ledger')
+            ->latest('id')
+            ->take(10)
+            ->get();
+
+        return Inertia::render('Participants/Show', [
+            'dynamic' => $dynamic,
+            'participant' => [
+                'id' => $user->id,
+                'name' => $user->name,
+                'display_name' => $participant->pivot->display_name,
+                'role' => $participant->pivot->role,
+            ],
+            'mutations' => $mutations,
+        ]);
+    }
+
     public function update(Request $request, Dynamic $dynamic)
     {
         $request->validate([

app/Http/Controllers/Settings/ProfileController.php

@@ -19,9 +19,14 @@ class ProfileController extends Controller
      */
     public function edit(Request $request): Response
     {
+        $dynamics = $request->user()->dynamics()
+            ->withPivot('display_name')
+            ->get();
+
         return Inertia::render('settings/Profile', [
             'mustVerifyEmail' => $request->user() instanceof MustVerifyEmail,
             'status' => $request->session()->get('status'),
+            'dynamics' => $dynamics,
         ]);
     }
 

app/Models/Mutation.php

@@ -46,6 +46,39 @@ class Mutation extends Model
     {
         static::created(function (Mutation $mutation) {
             $mutation->chat()->create([]);
+
+            // Create system messages automatically!
+            $user = $mutation->user;
+            $ledger = $mutation->ledger;
+            $dynamic = $ledger->dynamic;
+            $status = $mutation->status;
+
+            $mutationMsg = $mutation->chat->messages()->create([
+                'user_id' => null,
+                'content' => $status === 'approved'
+                    ? "Entry was created by <user:{$user->id}>."
+                    : "Suggestion was created by <user:{$user->id}>.",
+                'subject_id' => $mutation->id,
+                'subject_type' => Mutation::class,
+            ]);
+            broadcast(new \App\Events\MessageSent($mutationMsg));
+
+            if ($status === 'approved') {
+                $dynamicMsg = $dynamic->chat->messages()->create([
+                    'user_id' => null,
+                    'content' => "<user:{$user->id}> added entry \"{$mutation->description}\" for " . ($mutation->amount >= 0 ? '+' : '') . "{$mutation->amount} points on \"{$ledger->name}\" ledger.",
+                    'subject_id' => $mutation->id,
+                    'subject_type' => Mutation::class,
+                ]);
+            } else {
+                $dynamicMsg = $dynamic->chat->messages()->create([
+                    'user_id' => null,
+                    'content' => "<user:{$user->id}> suggested \"{$mutation->description}\" for " . ($mutation->amount >= 0 ? '+' : '') . "{$mutation->amount} points on \"{$ledger->name}\" ledger.",
+                    'subject_id' => $mutation->id,
+                    'subject_type' => Mutation::class,
+                ]);
+            }
+            broadcast(new \App\Events\MessageSent($dynamicMsg));
         });
     }
 }

app/Services/ActivityService.php

@@ -52,20 +52,35 @@ class ActivityService
     {
         if ($entity instanceof Dynamic) {
             $chatId = $entity->chat->id;
+            $dynamic = $entity;
         } elseif ($entity instanceof Ledger) {
-            $chatId = $entity->dynamic->chat->id;
+            $dynamic = $entity->dynamic;
+            $chatId = $dynamic->chat->id;
         } else {
             return [];
         }
 
+        $participants = $dynamic->participants()->withPivot('display_name')->get();
+        $participantsMap = $participants->reduce(function ($acc, $p) {
+            $acc[$p->id] = $p->pivot->display_name ?? $p->name;
+            return $acc;
+        }, []);
+
         $messages = Message::where('chat_id', $chatId)
             ->with(['user', 'subject'])
             ->latest()
             ->get();
 
-        return $messages->map(function ($message) {
+        return $messages->map(function ($message) use ($participantsMap) {
             $messageData = $message->toArray();
             $messageData['url'] = $this->getUrlForMessage($message);
+
+            // Resolve <user:id> placeholders to actual names/display names
+            $messageData['content'] = preg_replace_callback('/<user:(\d+)>/', function ($matches) use ($participantsMap) {
+                $userId = $matches[1];
+                return $participantsMap[$userId] ?? "User #{$userId}";
+            }, $message->content);
+
             return $messageData;
         })->all();
     }
@@ -116,7 +131,7 @@ class ActivityService
                 'url' => $url,
                 'unread_count' => count($unread),
                 'context_activities' => $context,
-                'new_activities' => $unread,
+                'new_activities' => array_reverse($unread),
             ];
         }
     }