bulk operations fixes

- Frontend: implémente bulkDelete, bulkArchive, bulkRestore
- Backend: adapts ticket DTOs pour bulk operations
- Infrastructure: MCP server pour gestion bulk tickets
- Tests: coverage frontend + backend

crates/infrastructure/tests/mcp_server.rs

@@ -751,6 +751,7 @@ async fn tools_list_advertises_the_idea_tools_with_schemas() {
         "idea_ticket_update_priority",
         "idea_ticket_bulk_update_status",
         "idea_ticket_bulk_update_priority",
+        "idea_ticket_bulk_delete",
         "idea_ticket_read_carnet",
         "idea_ticket_update_carnet",
         "idea_ticket_link",
@@ -771,8 +772,8 @@ async fn tools_list_advertises_the_idea_tools_with_schemas() {
     assert!(!names.contains(&"idea_reply"));
     assert_eq!(
         tools.len(),
-        33,
-        "exactly the thirty-three exposed idea_* tools; got {names:?}"
+        34,
+        "exactly the thirty-four exposed idea_* tools; got {names:?}"
     );
 
     // Every tool advertises an object input schema.
@@ -1371,13 +1372,14 @@ async fn bounded_ticket_mutation_tools_reject_other_issue_before_ticket_provider
             "idea_ticket_bulk_update_priority",
             json!({ "refs": ["#8"], "priority": "high" }),
         ),
+        (25, "idea_ticket_bulk_delete", json!({ "refs": ["#8"] })),
         (
-            25,
+            26,
             "idea_ticket_link",
             json!({ "ref": "#8", "targetRef": "#9", "kind": "blocks", "expectedVersion": 1 }),
         ),
         (
-            26,
+            27,
             "idea_ticket_unlink",
             json!({ "ref": "#8", "targetRef": "#9", "kind": "blocks", "expectedVersion": 1 }),
         ),
@@ -1442,13 +1444,14 @@ async fn bounded_ticket_mutation_tools_allow_bound_issue_to_reach_ticket_provide
             "idea_ticket_bulk_update_priority",
             json!({ "refs": ["#7"], "priority": "high" }),
         ),
+        (35, "idea_ticket_bulk_delete", json!({ "refs": ["#7"] })),
         (
-            35,
+            36,
             "idea_ticket_link",
             json!({ "ref": "#7", "targetRef": "#9", "kind": "blocks", "expectedVersion": 1 }),
         ),
         (
-            36,
+            37,
             "idea_ticket_unlink",
             json!({ "ref": "#7", "targetRef": "#9", "kind": "blocks", "expectedVersion": 1 }),
         ),