feat: first draft

contexts/state/StateContext.tsx

@@ -0,0 +1,68 @@
+'use client';
+
+import React, { createContext, useContext } from 'react';
+import type { GlobalState } from '../../utils/types';
+
+export type Action =
+  | { type: 'SET_STATE'; payload: GlobalState }
+  | {
+      type: 'ADD_FACTOR';
+      payload: {
+        id: string;
+        name: string;
+        marketScore: number;
+        ideaScore: number;
+      };
+    }
+  | {
+      type: 'ADD_ACTION';
+      payload: { actionType: keyof GlobalState['fourActions']; value: string };
+    }
+  | {
+      type: 'ADD_OPPORTUNITY';
+      payload: { pathType: keyof GlobalState['sixPaths']; value: string };
+    }
+  | { type: 'UPDATE_PATH_NOTES'; payload: { pathType: string; notes: string } }
+  | { type: 'TOGGLE_UTILITY'; payload: { key: string } }
+  | { type: 'UPDATE_UTILITY_NOTES'; payload: { key: string; notes: string } }
+  | { type: 'UPDATE_TARGET_PRICE'; payload: number }
+  | {
+      type: 'ADD_COMPETITOR';
+      payload: {
+        name: string;
+        price: number;
+        category: 'same-form' | 'different-form' | 'different-function';
+      };
+    }
+  | {
+      type: 'UPDATE_COMPETITOR';
+      payload: {
+        index: number;
+        field: 'name' | 'price' | 'category';
+        value: string | number;
+      };
+    }
+  | { type: 'TOGGLE_NON_CUSTOMER'; payload: { key: string } }
+  | { type: 'TOGGLE_SEQUENCE'; payload: { key: string } }
+  | { type: 'UPDATE_VALIDATION_NOTES'; payload: string }
+  | { type: 'RESET_STATE' };
+
+export interface StateContextType {
+  state: GlobalState;
+  dispatch: React.Dispatch<Action>;
+  isLoading: boolean;
+  error: string | null;
+  resetState: () => void;
+}
+
+export const StateContext = createContext<StateContextType | undefined>(
+  undefined
+);
+
+export function useGlobalState() {
+  const context = useContext(StateContext);
+  if (!context) {
+    throw new Error('useGlobalState must be used within StateProvider');
+  }
+  return context;
+}