feat: handle non-letter characters in actor names with separator rows

Display spaces, hyphens and other non-letter characters as static cells
instead of input fields, and add separator rows in the grid for
non-alphabetic characters in the main actor's name.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

assets/react/controllers/ActorPopover.jsx

@@ -8,7 +8,7 @@ export default function ActorPopover({ actorName }) {
         open: isOpen,
         onOpenChange: setIsOpen,
         middleware: [offset(8), flip(), shift()],
-        placement: 'top',
+        placement: 'left',
     });
 
     const click = useClick(context);

assets/react/controllers/GameGrid.jsx

@@ -5,15 +5,34 @@ export default function GameGrid({ grid, width, middle }) {
     return (
         <table id="actors">
             <tbody>
-                {grid.map((row, rowIndex) => (
-                    <GameRow
-                        key={rowIndex}
-                        actorName={row.actorName}
-                        pos={row.pos}
-                        colStart={middle - row.pos}
-                        totalWidth={width}
-                    />
-                ))}
+                {grid.map((row, rowIndex) => {
+                    if (row.separator !== undefined) {
+                        return (
+                            <tr key={rowIndex} className="separator-row">
+                                <td />
+                                {Array.from({ length: middle }, (_, i) => (
+                                    <td key={i} />
+                                ))}
+                                <td className="letter-static separator-char">
+                                    {row.separator === ' ' ? '' : row.separator}
+                                </td>
+                                {Array.from({ length: width - middle }, (_, i) => (
+                                    <td key={middle + 1 + i} />
+                                ))}
+                            </tr>
+                        );
+                    }
+
+                    return (
+                        <GameRow
+                            key={rowIndex}
+                            actorName={row.actorName}
+                            pos={row.pos}
+                            colStart={middle - row.pos}
+                            totalWidth={width}
+                        />
+                    );
+                })}
             </tbody>
         </table>
     );

assets/react/controllers/GameRow.jsx

@@ -1,19 +1,31 @@
-import React, { useRef, useCallback } from 'react';
+import React, { useRef, useCallback, useMemo } from 'react';
 import LetterInput from './LetterInput';
 import ActorPopover from './ActorPopover';
 
+function isLetter(ch) {
+    return /[a-zA-Z]/.test(ch);
+}
+
 export default function GameRow({ actorName, pos, colStart, totalWidth }) {
     const inputRefs = useRef([]);
+    const letters = actorName.split('');
+
+    const letterIndices = useMemo(
+        () => letters.reduce((acc, ch, i) => { if (isLetter(ch)) acc.push(i); return acc; }, []),
+        [actorName]
+    );
 
     const setInputRef = useCallback((index) => (el) => {
         inputRefs.current[index] = el;
     }, []);
 
-    const focusInput = useCallback((index) => {
-        inputRefs.current[index]?.focus();
-    }, []);
-
-    const letters = actorName.split('');
+    const focusNextInput = useCallback((charIndex, direction) => {
+        const currentPos = letterIndices.indexOf(charIndex);
+        const nextPos = currentPos + direction;
+        if (nextPos >= 0 && nextPos < letterIndices.length) {
+            inputRefs.current[letterIndices[nextPos]]?.focus();
+        }
+    }, [letterIndices]);
 
     return (
         <tr>
@@ -28,13 +40,23 @@ export default function GameRow({ actorName, pos, colStart, totalWidth }) {
                     return <td key={colIndex} />;
                 }
 
+                const ch = letters[charIndex];
+
+                if (!isLetter(ch)) {
+                    return (
+                        <td key={colIndex} className="letter-static">
+                            {ch}
+                        </td>
+                    );
+                }
+
                 return (
                     <LetterInput
                         key={colIndex}
                         highlighted={charIndex === pos}
                         inputRef={setInputRef(charIndex)}
-                        onNext={() => focusInput(charIndex + 1)}
-                        onPrev={() => focusInput(charIndex - 1)}
+                        onNext={() => focusNextInput(charIndex, 1)}
+                        onPrev={() => focusNextInput(charIndex, -1)}
                     />
                 );
             })}