PrintVault: raise GCode segment limit to 300k (max 500k)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

modules/printvault/api.php

@@ -241,7 +241,7 @@ if ($action === 'models') {
 // ── GCODE PATHS ────────────────────────────────────────────────────────────────
 if ($action === 'gcode_paths') {
     $id     = (int)($_GET['id'] ?? 0);
-    $max    = min((int)($_GET['max'] ?? 30000), 80000);
+    $max    = min((int)($_GET['max'] ?? 300000), 500000);
     $s = $pdo->prepare("SELECT filename, file_type FROM pf_pv_models WHERE id=?"); $s->execute([$id]);
     $row = $s->fetch(); if (!$row) pvErr('Introuvable', 404);
     $ext = strtolower($row['file_type']);

printvault-viewer.php

@@ -307,7 +307,7 @@ function zToColor(z, minZ, maxZ) {
 
 document.getElementById('viewer-loading-text').textContent = 'Chargement des trajectoires…';
 
-fetch('/modules/printvault/api.php?action=gcode_paths&id=<?= $id ?>&max=30000', {
+fetch('/modules/printvault/api.php?action=gcode_paths&id=<?= $id ?>&max=300000', {
     credentials: 'same-origin',
     headers: {'X-Requested-With':'XMLHttpRequest','Accept':'application/json'}
 })