feat: add ComfyUI integration for image generation and management

- Implemented ComfyGenerateRequest type and associated functions for generating images using various architectures and modes.
- Added functions for listing generation options and handling image uploads.
- Created workflows for different generation modes including SDXL, Z-Image, Z-Image Turbo, and Anima.
- Introduced GenerationJobStatus component to display the status of ongoing generation jobs.
- Developed MaskControls for managing mask operations and displaying mask analysis.
- Created palette items for tool selection, layer management, and generation settings.

commands/history.ts

@@ -1,4 +1,5 @@
 import type { Command } from "./command";
+import type { EditorState } from "@editor/state";
 import { commandIds } from "./ids";
 
 export const historyUndoCommand: Command = {
@@ -12,7 +13,7 @@ export const historyUndoCommand: Command = {
     return {
       ...state,
       document: previous.document,
-      editor: previous.editor,
+      editor: preserveGenerationJobs(previous.editor, state.editor),
       history: {
         past: state.history.past.slice(0, -1),
         future: [{ document: state.document, editor: state.editor }, ...state.history.future],
@@ -32,7 +33,7 @@ export const historyRedoCommand: Command = {
     return {
       ...state,
       document: next.document,
-      editor: next.editor,
+      editor: preserveGenerationJobs(next.editor, state.editor),
       history: {
         past: [...state.history.past, { document: state.document, editor: state.editor }],
         future: state.history.future.slice(1),
@@ -42,3 +43,13 @@ export const historyRedoCommand: Command = {
 };
 
 export const historyCommands = [historyUndoCommand, historyRedoCommand] satisfies Command<unknown>[];
+
+function preserveGenerationJobs(target: EditorState, current: EditorState): EditorState {
+  return {
+    ...target,
+    generation: {
+      ...target.generation,
+      jobs: current.generation.jobs,
+    },
+  };
+}