Add numbered list conversion commands (slash and parentheses styles)

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/formatter.ts

@@ -28,3 +28,21 @@ export function bulletToArrow(text: string): string {
         line.startsWith("* ") ? "→ " + line.slice(2) : "→ " + line
     ).join("\n");
 }
+
+export function numberedListSlash(text: string): string {
+    let n = 0;
+    return text.split("\n").map(line => {
+        n++;
+        const content = line.startsWith("* ") ? line.slice(2) : line;
+        return `${n}/ ${content}`;
+    }).join("\n");
+}
+
+export function numberedListParens(text: string): string {
+    let n = 0;
+    return text.split("\n").map(line => {
+        n++;
+        const content = line.startsWith("* ") ? line.slice(2) : line;
+        return `(${n}) ${content}`;
+    }).join("\n");
+}