Initial commit: breakpilot-lehrer - Lehrer KI Platform

Services: Admin-Lehrer, Backend-Lehrer, Studio v2, Website,
Klausur-Service, School-Service, Voice-Service, Geo-Service,
BreakPilot Drive, Agent-Core

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

admin-lehrer/lib/sdk/context.tsx

@@ -0,0 +1,121 @@
+'use client'
+
+import React, { createContext, useContext, useReducer, useMemo } from 'react'
+import type { CustomCatalogEntry, CustomCatalogs, CatalogId } from './catalog-manager/types'
+
+// =============================================================================
+// SIMPLIFIED STATE (Admin-Lehrer only needs catalog-manager state)
+// =============================================================================
+
+export interface SDKState {
+  customCatalogs: CustomCatalogs
+}
+
+export type SDKAction =
+  | { type: 'ADD_CUSTOM_CATALOG_ENTRY'; payload: CustomCatalogEntry }
+  | { type: 'UPDATE_CUSTOM_CATALOG_ENTRY'; payload: { catalogId: CatalogId; entryId: string; data: Record<string, unknown> } }
+  | { type: 'DELETE_CUSTOM_CATALOG_ENTRY'; payload: { catalogId: CatalogId; entryId: string } }
+  | { type: 'SET_STATE'; payload: Partial<SDKState> }
+
+export const initialState: SDKState = {
+  customCatalogs: {},
+}
+
+// =============================================================================
+// REDUCER
+// =============================================================================
+
+function sdkReducer(state: SDKState, action: SDKAction): SDKState {
+  switch (action.type) {
+    case 'ADD_CUSTOM_CATALOG_ENTRY': {
+      const entry = action.payload
+      const existing = state.customCatalogs[entry.catalogId] || []
+      return {
+        ...state,
+        customCatalogs: {
+          ...state.customCatalogs,
+          [entry.catalogId]: [...existing, entry],
+        },
+      }
+    }
+
+    case 'UPDATE_CUSTOM_CATALOG_ENTRY': {
+      const { catalogId, entryId, data } = action.payload
+      const existing = state.customCatalogs[catalogId] || []
+      return {
+        ...state,
+        customCatalogs: {
+          ...state.customCatalogs,
+          [catalogId]: existing.map(e =>
+            e.id === entryId
+              ? { ...e, data, updatedAt: new Date().toISOString() }
+              : e
+          ),
+        },
+      }
+    }
+
+    case 'DELETE_CUSTOM_CATALOG_ENTRY': {
+      const { catalogId, entryId } = action.payload
+      const existing = state.customCatalogs[catalogId] || []
+      return {
+        ...state,
+        customCatalogs: {
+          ...state.customCatalogs,
+          [catalogId]: existing.filter(e => e.id !== entryId),
+        },
+      }
+    }
+
+    case 'SET_STATE': {
+      return { ...state, ...action.payload }
+    }
+
+    default:
+      return state
+  }
+}
+
+// =============================================================================
+// CONTEXT
+// =============================================================================
+
+interface SDKContextValue {
+  state: SDKState
+  dispatch: React.Dispatch<SDKAction>
+}
+
+const SDKContext = createContext<SDKContextValue | null>(null)
+
+// =============================================================================
+// PROVIDER
+// =============================================================================
+
+interface SDKProviderProps {
+  children: React.ReactNode
+}
+
+export function SDKProvider({ children }: SDKProviderProps) {
+  const [state, dispatch] = useReducer(sdkReducer, initialState)
+
+  const value: SDKContextValue = useMemo(() => ({
+    state,
+    dispatch,
+  }), [state, dispatch])
+
+  return <SDKContext.Provider value={value}>{children}</SDKContext.Provider>
+}
+
+// =============================================================================
+// HOOK
+// =============================================================================
+
+export function useSDK(): SDKContextValue {
+  const context = useContext(SDKContext)
+  if (!context) {
+    throw new Error('useSDK must be used within SDKProvider')
+  }
+  return context
+}
+
+export { SDKContext }