feat: revert broken directive PRs, re-implement Lexical document orchestrator (#98)

* feat: soryu-co/soryu - makima: Revert broken directive PRs and verify clean build

* feat: soryu-co/soryu - makima: Re-implement frontend: Lexical document editor with feature flag and base components

* WIP: heartbeat checkpoint

* feat: soryu-co/soryu - makima: Add contract blocks, expandable log rows, and interaction controls

* WIP: heartbeat checkpoint

* feat: soryu-co/soryu - makima: End-to-end build verification and integration polish

1 files changed, 0 insertions, 97 deletions

diff --git a/frontend/src/components/document/Toast.tsx b/frontend/src/components/document/Toast.tsx
deleted file mode 100644
index 653db8f..0000000
--- a/frontend/src/components/document/Toast.tsx
+++ /dev/null
@@ -1,97 +0,0 @@
-import {
-  createContext,
-  useCallback,
-  useContext,
-  useEffect,
-  useRef,
-  useState,
-  type ReactNode,
-} from 'react';
-import './Toast.css';
-
-// -- Types -------------------------------------------------------------------
-
-export type ToastType = 'success' | 'error' | 'info';
-
-interface ToastItem {
-  id: number;
-  message: string;
-  type: ToastType;
-}
-
-interface ToastContextValue {
-  addToast: (message: string, type?: ToastType) => void;
-}
-
-// -- Context -----------------------------------------------------------------
-
-const ToastContext = createContext<ToastContextValue | null>(null);
-
-export function useToast(): ToastContextValue {
-  const ctx = useContext(ToastContext);
-  if (!ctx) throw new Error('useToast must be used within a ToastProvider');
-  return ctx;
-}
-
-// -- Provider ----------------------------------------------------------------
-
-const DISMISS_MS = 3000;
-
-export function ToastProvider({ children }: { children: ReactNode }) {
-  const [toasts, setToasts] = useState<ToastItem[]>([]);
-  const nextId = useRef(0);
-
-  const addToast = useCallback((message: string, type: ToastType = 'info') => {
-    const id = nextId.current++;
-    setToasts((prev) => [...prev, { id, message, type }]);
-  }, []);
-
-  const removeToast = useCallback((id: number) => {
-    setToasts((prev) => prev.filter((t) => t.id !== id));
-  }, []);
-
-  return (
-    <ToastContext.Provider value={{ addToast }}>
-      {children}
-      <div className="toast-container">
-        {toasts.map((t) => (
-          <ToastItem key={t.id} toast={t} onDismiss={removeToast} />
-        ))}
-      </div>
-    </ToastContext.Provider>
-  );
-}
-
-// -- Single toast ------------------------------------------------------------
-
-function ToastItem({
-  toast,
-  onDismiss,
-}: {
-  toast: ToastItem;
-  onDismiss: (id: number) => void;
-}) {
-  const [exiting, setExiting] = useState(false);
-
-  useEffect(() => {
-    const timer = setTimeout(() => setExiting(true), DISMISS_MS - 300);
-    const remove = setTimeout(() => onDismiss(toast.id), DISMISS_MS);
-    return () => {
-      clearTimeout(timer);
-      clearTimeout(remove);
-    };
-  }, [toast.id, onDismiss]);
-
-  const icon =
-    toast.type === 'success' ? '\u2713' : toast.type === 'error' ? '\u2717' : '\u2139';
-
-  return (
-    <div
-      className={`toast-item toast-${toast.type} ${exiting ? 'toast-exit' : 'toast-enter'}`}
-      role="status"
-    >
-      <span className="toast-icon">{icon}</span>
-      <span className="toast-message">{toast.message}</span>
-    </div>
-  );
-}