fix(library): filtres source/tri/vue + recherche + colonnes masquables + icônes SVG + drag-drop visuel

Ajout dropdowns filter/sort/view dans toolbar, recherche inline, colonnes author/source masquables, remplacement emojis par SVG, amélioration styles hover/drag, modal move-to, menus contextuels enrichis.

app/routers/library.py

@@ -142,6 +142,10 @@ async def library_recents(
     query = f"{BASE_SELECT} FROM pages p WHERE p.parent_section != 'Trash' AND p.deleted_at IS NULL"
     params: list = []
 
+    # Hierarchical view: show only root-level pages at the top
+    if tree:
+        query += " AND p.parent_id IS NULL"
+
     # Filter by active workspace
     if workspace_id:
         query += " AND p.workspace_id = ?"
@@ -175,6 +179,8 @@ async def library_favorites(
         f"WHERE f.user_id = ? AND p.parent_section != 'Trash' AND p.deleted_at IS NULL"
     )
     params: list = [uid]
+    if tree:
+        query += " AND p.parent_id IS NULL"
     query, params = _apply_source_filter(query, params, source_type)
     query += " ORDER BY f.position"
 
@@ -198,6 +204,8 @@ async def library_shared(
     uid = _get_user_id(request)
     query = f"{BASE_SELECT} FROM pages p WHERE p.share_mode != 'private' AND p.parent_section != 'Trash' AND p.deleted_at IS NULL"
     params: list = []
+    if tree:
+        query += " AND p.parent_id IS NULL"
     query, params = _apply_source_filter(query, params, source_type)
     query += " ORDER BY p.updated_at DESC LIMIT 50"
 
@@ -221,6 +229,8 @@ async def library_published(
     uid = _get_user_id(request)
     query = f"{BASE_SELECT} FROM pages p WHERE p.published = 1 AND p.parent_section != 'Trash' AND p.deleted_at IS NULL"
     params: list = []
+    if tree:
+        query += " AND p.parent_id IS NULL"
     query, params = _apply_source_filter(query, params, source_type)
     query += " ORDER BY p.updated_at DESC LIMIT 50"
 
@@ -244,6 +254,8 @@ async def library_private(
     uid = _get_user_id(request)
     query = f"{BASE_SELECT} FROM pages p WHERE p.parent_section = 'Private' AND p.deleted_at IS NULL"
     params: list = []
+    if tree:
+        query += " AND p.parent_id IS NULL"
     query, params = _apply_source_filter(query, params, source_type)
     query += " ORDER BY p.updated_at DESC LIMIT 50"
 
@@ -448,6 +460,9 @@ async def library_workspace(
     query = f"{BASE_SELECT} FROM pages p WHERE (p.workspace != '' OR p.workspace_id IS NOT NULL) AND p.parent_section != 'Trash' AND p.deleted_at IS NULL"
     params: list = []
 
+    if tree:
+        query += " AND p.parent_id IS NULL"
+
     if workspace_id:
         query += " AND p.workspace_id = ?"
         params.append(workspace_id)