refactor form structure per new spec + fix

- split jury into interne/externe/ULB,
- remove president from student form,
- add language_autre,
- split duration into pages+minutes+annexes,
- move licence to degrés d'ouverture with CC2r,
- add license_custom,
- filter PACS from student AP list,
- editable généralités help block,
- Libre toggle per settings

Fix:
- missing comma after cc4r column in schema.sql
- remove duplicate form footer from partage template
- remove couverture from student files fieldset; add promoteur ULB conditional disable via JS on Approfondi
- promoteur ULB: remove 'si applicable', make required when visible

app/src/Database.php

@@ -1651,7 +1651,7 @@ class Database
     public function getThesisRawFields(int $thesisId): ?array
     {
         $stmt = $this->pdo->prepare(
-            'SELECT license_id, access_type_id, context_note, remarks, jury_points, exemplaire_baiu, exemplaire_erg, cc4r FROM theses WHERE id = ? LIMIT 1'
+            'SELECT license_id, license_custom, access_type_id, context_note, remarks, jury_points, exemplaire_baiu, exemplaire_erg, cc4r FROM theses WHERE id = ? LIMIT 1'
         );
         $stmt->execute([$thesisId]);
         $row = $stmt->fetch();
@@ -1783,6 +1783,7 @@ class Database
                 file_size_info = ?,
                 baiu_link = ?,
                 license_id = ?,
+                license_custom = ?,
                 access_type_id = ?,
                 is_published = ?,
                 remarks = ?,
@@ -1805,6 +1806,7 @@ class Database
             !empty($data['file_size_info']) ? $data['file_size_info'] : null,
             !empty($data['baiu_link']) ? $data['baiu_link'] : null,
             $data['license_id'] ?? null,
+            !empty($data['license_custom']) ? $data['license_custom'] : null,
             $data['access_type_id'] ?? null,
             $data['is_published'] ? 1 : 0,
             !empty($data['remarks']) ? $data['remarks'] : null,
@@ -1847,12 +1849,12 @@ class Database
                 identifier, title, subtitle, year,
                 orientation_id, ap_program_id, finality_id,
                 synopsis, file_size_info,
-                baiu_link, license_id,
+                baiu_link, license_id, license_custom,
                 access_type_id,
                 objet,
                 is_published,
                 submitted_at
-            ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 0, CURRENT_TIMESTAMP)
+            ) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, 0, CURRENT_TIMESTAMP)
         ');
 
         $validObjet = ['tfe', 'thèse', 'frart'];
@@ -1870,6 +1872,7 @@ class Database
             !empty($data['file_size_info']) ? $data['file_size_info'] : null,
             !empty($data['baiu_link']) ? $data['baiu_link'] : null,
             $data['license_id'] ?? null,
+            !empty($data['license_custom']) ? $data['license_custom'] : null,
             isset($data['access_type_id']) ? (int)$data['access_type_id'] : 2, // default: Interne
             $objet,
         ]);