feat(config): add missing dictionary item CRUD, setting delete, and numbering delete routes

- Dictionary items: POST/PUT/DELETE endpoints under /config/dictionaries/{dict_id}/items
- Settings: DELETE /config/settings/{key}
- Numbering rules: DELETE /config/numbering-rules/{id}
- Fix workflow Entities: add deleted_at and version_field to process_definition,
  add standard fields to token and process_variable entities
- Update seed data for expanded permissions

crates/erp-workflow/src/entity/token.rs

@@ -11,6 +11,12 @@ pub struct Model {
     pub node_id: String,
     pub status: String,
     pub created_at: DateTimeUtc,
+    pub updated_at: DateTimeUtc,
+    pub created_by: Uuid,
+    pub updated_by: Uuid,
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub deleted_at: Option<DateTimeUtc>,
+    pub version: i32,
     #[serde(skip_serializing_if = "Option::is_none")]
     pub consumed_at: Option<DateTimeUtc>,
 }