feat(tokens): app-local non-player tokens with session moves and UI polish

Add token library/placements, keep play-time moves for the session, lock presentation interactions, and fix export/import modal layout plus freeform trap label.

Co-authored-by: Cursor <cursoragent@cursor.com>

app/renderer/shared/tokens/useAppTokens.ts

@@ -0,0 +1,17 @@
+import { useEffect, useState } from 'react';
+
+import { ipcChannels } from '../../../shared/ipc/contracts';
+import type { AppToken } from '../../../shared/types';
+import { getDndApi } from '../dndApi';
+
+export function useAppTokens(): AppToken[] {
+  const api = getDndApi();
+  const [tokens, setTokens] = useState<AppToken[]>([]);
+
+  useEffect(() => {
+    void api.invoke(ipcChannels.tokens.list, {}).then(({ tokens: list }) => setTokens(list));
+    return api.on(ipcChannels.tokens.stateChanged, ({ tokens: list }) => setTokens(list));
+  }, [api]);
+
+  return tokens;
+}