revert: restore mutateFormData hooks for consistency

Derives user_id and organization_id from member_id, matching how the
API controller handles time entry creation/updates.

https://claude.ai/code/session_01CVi5hmyiPDpvEzzTD7RPr7

Author: claude

app/Filament/Resources/TimeEntryResource/Pages/CreateTimeEntry.php

@@ -5,9 +5,27 @@
 namespace App\Filament\Resources\TimeEntryResource\Pages;
 
 use App\Filament\Resources\TimeEntryResource;
+use App\Models\Member;
 use Filament\Resources\Pages\CreateRecord;
 
 class CreateTimeEntry extends CreateRecord
 {
     protected static string $resource = TimeEntryResource::class;
+
+    /**
+     * @param  array<string, mixed>  $data
+     * @return array<string, mixed>
+     */
+    protected function mutateFormDataBeforeCreate(array $data): array
+    {
+        if (isset($data['member_id'])) {
+            $member = Member::find($data['member_id']);
+            if ($member !== null) {
+                $data['user_id'] = $member->user_id;
+                $data['organization_id'] = $member->organization_id;
+            }
+        }
+
+        return $data;
+    }
 }

app/Filament/Resources/TimeEntryResource/Pages/EditTimeEntry.php

@@ -5,6 +5,7 @@
 namespace App\Filament\Resources\TimeEntryResource\Pages;
 
 use App\Filament\Resources\TimeEntryResource;
+use App\Models\Member;
 use Filament\Actions;
 use Filament\Resources\Pages\EditRecord;
 
@@ -19,4 +20,21 @@ protected function getHeaderActions(): array
                 ->icon('heroicon-m-trash'),
         ];
     }
+
+    /**
+     * @param  array<string, mixed>  $data
+     * @return array<string, mixed>
+     */
+    protected function mutateFormDataBeforeSave(array $data): array
+    {
+        if (isset($data['member_id'])) {
+            $member = Member::find($data['member_id']);
+            if ($member !== null) {
+                $data['user_id'] = $member->user_id;
+                $data['organization_id'] = $member->organization_id;
+            }
+        }
+
+        return $data;
+    }
 }