feat: replace MycrozineTemplate with MycroZineGenerator in toolbar and context menu

- Updated CustomToolbar.tsx to use MycroZineGenerator tool
- Updated CustomContextMenu.tsx to use MycroZineGenerator in Create Tool submenu
- Updated overrides.tsx with MycroZineGenerator tool definition
- Removed all references to old MycrozineTemplate

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/ui/CustomContextMenu.tsx

@@ -252,7 +252,7 @@ export function CustomContextMenu(props: TLUiContextMenuProps) {
           <TldrawUiMenuItem {...tools.SlideShape} />
           <TldrawUiMenuItem {...tools.VideoChat} />
           <TldrawUiMenuItem {...tools.FathomMeetings} />
-          <TldrawUiMenuItem {...tools.MycrozineTemplate} />
+          <TldrawUiMenuItem {...tools.MycroZineGenerator} />
         </TldrawUiMenuSubmenu>
       </TldrawUiMenuGroup>
 

src/ui/CustomToolbar.tsx

@@ -692,13 +692,13 @@ export function CustomToolbar() {
                 isSelected={tools["Markdown"].id === editor.getCurrentToolId()}
               />
             )}
-            {tools["MycrozineTemplate"] && (
+            {tools["MycroZineGenerator"] && (
               <TldrawUiMenuItem
-                {...tools["MycrozineTemplate"]}
-                icon="mycrozinetemplate"
-                label="MycrozineTemplate"
+                {...tools["MycroZineGenerator"]}
+                icon="zine"
+                label="MycroZine Generator"
                 isSelected={
-                  tools["MycrozineTemplate"].id === editor.getCurrentToolId()
+                  tools["MycroZineGenerator"].id === editor.getCurrentToolId()
                 }
               />
             )}

src/ui/overrides.tsx

@@ -142,14 +142,14 @@ export const overrides: TLUiOverrides = {
         type: "Markdown",
         onSelect: () => editor.setCurrentTool("Markdown"),
       },
-      MycrozineTemplate: {
-        id: "MycrozineTemplate",
-        icon: "rectangle",
-        label: "Mycrozine Template",
-        type: "MycrozineTemplate",
+      MycroZineGenerator: {
+        id: "MycroZineGenerator",
+        icon: "zine",
+        label: "MycroZine Generator",
+        type: "MycroZineGenerator",
         kbd: "ctrl+shift+z",
         readonlyOk: true,
-        onSelect: () => editor.setCurrentTool("MycrozineTemplate"),
+        onSelect: () => editor.setCurrentTool("MycroZineGenerator"),
       },
       Prompt: {
         id: "Prompt",