refactor: combined duration (pages + minutes), has_annexes checkbox, remove Mo

- Remove Mo option from duration, keep only pages and minutes
- Redesign duration fieldset: separate Pages input + Durée h:m inputs, both can be set together
- Fix minutes input visibility: wider inputs (6ch), proper CSS layout
- Add has_annexes checkbox to fichiers fragment + DB column + controllers
- Display duration on admin backoffice recap page
- Display duration on public partage recap page
- Update public TFE page for new combined duration format
- Migration 041: add duration_pages, duration_minutes, has_annexes columns; migrate data; recreate views

app/storage/schema.sql

@@ -91,6 +91,9 @@ CREATE TABLE IF NOT EXISTS theses (
     remarks TEXT,
     duration_value REAL,
     duration_unit TEXT DEFAULT 'pages',
+    duration_pages INTEGER,
+    duration_minutes INTEGER,
+    has_annexes INTEGER NOT NULL DEFAULT 0,
     access_type_id INTEGER,
     license_id INTEGER,
     jury_points DECIMAL(4,2),
@@ -416,8 +419,9 @@ SELECT
     t.synopsis,
     t.context_note,
     t.contact_visible,
-    t.duration_value,
-    t.duration_unit,
+    t.duration_pages,
+    t.duration_minutes,
+    t.has_annexes,
     at.name as access_type,
     lt.name as license_type,
     t.license_id,