0 works both ways now

src/types.ts

@@ -92,6 +92,7 @@ export type CursorManager = {
   repeatLastMotion: () => void;
    resetCount: () => void;
    getCount: () => string;
+   hasCount: () => boolean;
    setCount: (digit: string) => void;
    setLastKey: (key: string) => void;
    getLastKey: () => string;

src/useCursor/useCursor.ts

@@ -160,6 +160,10 @@ export function useCursor(board: BoardManager, gameStatusManager: GameStatusMana
      return String(vimMotions.getCount());
    }
 
+   function hasCount(): boolean {
+     return vimMotions.hasCount();
+   }
+
    function setCount(digit: string): void {
      vimMotions.processKey(digit);
    }
@@ -187,6 +191,7 @@ export function useCursor(board: BoardManager, gameStatusManager: GameStatusMana
      repeatLastMotion,
      resetCount,
      getCount,
+     hasCount,
      setCount,
      setLastKey,
      getLastKey,

src/useCursor/useGameKeys.ts

@@ -34,8 +34,7 @@ export const useGameKeys = (props: UseGameKeysParams) => {
     const handler = (ev: KeyboardEvent) => {
       if (["waiting", "game-over", "game-won"].includes(gameStatus)) return;
 
-      // "0" behaves like Vim: beginning of line
+       if (ev.key === "0" && !cursor.hasCount()) {
-      if (ev.key === "0" && cursor.getCount() === "") {
          recordKey("0");
          cursor.resetCount();
          cursor.moveToStart();
@@ -44,7 +43,6 @@ export const useGameKeys = (props: UseGameKeysParams) => {
 
       const isDigit = ev.key >= "0" && ev.key <= "9";
       if (isDigit) {
-        if (ev.key === "0" && cursor.getCount() === "") return;
         recordKey(ev.key);
         cursor.setCount(ev.key);
         return;

src/useCursor/useVimMotions.ts

@@ -6,6 +6,7 @@ export type VimMotionSystem = {
   processKey: (key: string) => { type: 'move'|'anchor'|'repeat'|'count', data: any } | null;
   resetCount: () => void;
   getCount: () => number;
+  hasCount: () => boolean;
   setLastMotion: (motion: Motion) => void;
   repeatLastMotion: () => Motion | null;
 };
@@ -98,10 +99,15 @@ export function useVimMotions(): VimMotionSystem {
     return lastMotionRef.current;
   }
 
+  function hasCount(): boolean {
+    return countRef.current !== '';
+  }
+
   return {
     processKey,
     resetCount,
     getCount,
+    hasCount,
     setLastMotion,
     repeatLastMotion
   };