feat(store): 添加OCR状态管理切片

实现OCR提供商的增删改查功能，使用Redux Toolkit管理OCR相关状态

src/renderer/src/store/ocr.ts

@@ -0,0 +1,39 @@
+import { createSlice, PayloadAction } from '@reduxjs/toolkit'
+import { BUILTIN_OCR_PROVIDERS, DEFAULT_OCR_PROVIDER } from '@renderer/config/ocr'
+import { OcrProvider } from '@renderer/types/ocr'
+
+export interface OcrState {
+  providers: OcrProvider[]
+  imageProvider: OcrProvider
+}
+
+const initialState: OcrState = {
+  providers: BUILTIN_OCR_PROVIDERS,
+  imageProvider: DEFAULT_OCR_PROVIDER.image
+}
+
+const ocrSlice = createSlice({
+  name: 'ocr',
+  initialState,
+  reducers: {
+    setOcrProviders(state, action: PayloadAction<OcrProvider[]>) {
+      state.providers = action.payload
+    },
+    addOcrProvider(state, action: PayloadAction<OcrProvider>) {
+      state.providers.push(action.payload)
+    },
+    removeOcrProvider(state, action: PayloadAction<OcrProvider>) {
+      state.providers = state.providers.filter((provider) => provider.id !== action.payload.id)
+    },
+    updatePreprocessProvider(state, action: PayloadAction<Partial<OcrProvider>>) {
+      const index = state.providers.findIndex((provider) => provider.id === action.payload.id)
+      if (index !== -1) {
+        Object.assign(state.providers[index], action.payload)
+      }
+    }
+  }
+})
+
+export const { setOcrProviders, addOcrProvider, removeOcrProvider, updatePreprocessProvider } = ocrSlice.actions
+
+export default ocrSlice.reducer