chore: cleanup dead code + format with Pint

- Remove unused FeaturesController (empty stubs, no routes)
- Remove ConvertSpatialFile CLI command (unused; service used in LayerManager)
- Remove MigrateGeojsonToFeatures CLI command (one-shot migration, not referenced)
- Remove .claude/worktrees/ (11 old agent worktrees from June)
- Apply Laravel Pint formatting across 219 files (style only, no functional changes)

Tests: 101 passing (319 assertions)
API routes: unchanged (8 routes intact)

app/Notifications/IssueAssignedNotification.php

@@ -20,11 +20,11 @@ class IssueAssignedNotification extends Notification
     public function toArray($notifiable): array
     {
         return [
-            'type'       => 'issue_assigned',
-            'issue_id'   => $this->issue->id,
+            'type' => 'issue_assigned',
+            'issue_id' => $this->issue->id,
             'project_id' => $this->issue->project_id,
-            'priority'   => $this->issue->priority,
-            'message'    => "Se te ha asignado la incidencia '{$this->issue->title}'",
+            'priority' => $this->issue->priority,
+            'message' => "Se te ha asignado la incidencia '{$this->issue->title}'",
         ];
     }
 }