chore: add specific attachment debug tool

debug-attachment.php

@@ -0,0 +1,61 @@
+<?php
+
+use App\Models\TicketAttachment;
+use Illuminate\Support\Facades\Storage;
+
+require __DIR__ . '/vendor/autoload.php';
+$app = require_once __DIR__ . '/bootstrap/app.php';
+$kernel = $app->make(Illuminate\Contracts\Console\Kernel::class);
+$kernel->bootstrap();
+
+// ID from your error message
+$id = '019b8920-93ee-7052-9282-b6f6b320b741';
+
+echo "--- Attachment Debugger ---\n";
+echo "Target ID: $id\n\n";
+
+// 1. Check Database
+echo "[1] Checking Database Record...\n";
+$attachment = TicketAttachment::find($id);
+
+if (!$attachment) {
+    echo "ERROR: Record not found in database.\n";
+    exit(1);
+}
+
+echo "Found Record!\n";
+echo "- ID: " . $attachment->id . "\n";
+echo "- File Name: " . $attachment->file_name . "\n";
+echo "- Stored Path: " . $attachment->file_path . "\n";
+echo "- Created At: " . $attachment->created_at . "\n";
+
+// 2. Check Disk
+$path = $attachment->file_path;
+$disk = 'r2-private';
+
+echo "\n[2] Checking R2 Private Storage...\n";
+echo "Disk: $disk\n";
+echo "Path: $path\n";
+
+try {
+    if (filter_var($path, FILTER_VALIDATE_URL)) {
+        echo "WARNING: Path is a full URL ($path). This logic is legacy/public.\n";
+        exit;
+    }
+
+    $exists = Storage::disk($disk)->exists($path);
+    
+    if ($exists) {
+        echo "STATUS: FILE EXISTS ✅\n";
+        
+        // Try reading first 100 bytes
+        $content = Storage::disk($disk)->get($path);
+        echo "Read Test: Success (" . strlen($content) . " bytes read)\n";
+    } else {
+        echo "STATUS: FILE NOT FOUND ❌\n";
+        echo "Diagnosis: Upload failed or path mismatch.\n";
+    }
+
+} catch (\Exception $e) {
+    echo "EXCEPTION: " . $e->getMessage() . "\n";
+}