feat(graph): add ergonomic UpdateEntitiesTool for renaming and type changes

server/src/tools.rs

@@ -18,6 +18,23 @@ pub struct CreateEntitiesTool {
     pub entities: Vec<EntityInput>,
 }
 
+#[derive(Debug, Deserialize, Serialize, JsonSchema)]
+pub struct UpdateEntityInput {
+    /// The current name of the entity to update.
+    pub name: String,
+    /// Optional new name to rename the entity to.
+    pub new_name: Option<String>,
+    /// Optional new entity type (e.g. PascalCase).
+    pub new_entity_type: Option<String>,
+}
+
+/// Update existing entities in the knowledge graph (e.g., to rename an entity or change its type).
+#[derive(Debug, Deserialize, Serialize, JsonSchema)]
+pub struct UpdateEntitiesTool {
+    /// Array of entity updates to perform.
+    pub updates: Vec<UpdateEntityInput>,
+}
+
 #[derive(Debug, Deserialize, Serialize, JsonSchema)]
 pub struct RelationInput {
     pub from: String,