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/Models/ProgressSnapshot.php

@@ -52,6 +52,7 @@ class ProgressSnapshot extends Model
         if ($id) {
             $query->where('trackable_id', $id);
         }
+
         return $query;
     }
 
@@ -76,4 +77,4 @@ class ProgressSnapshot extends Model
             ->get(['snapshot_date', 'progress', 'method'])
             ->toArray();
     }
-}
+}