fix: 修复所有 TypeScript 类型错误

- 修复 webpPreviewUrl -> previewUrl 字段名错误
- 修复 video.tsx 中的 useTemplates 参数类型问题
- 修复 video.tsx 中 position 重复定义问题
- 修复 searchResults.tsx 中的 SearchResultItem 类型不匹配
- 修复 SearchResultsGrid.tsx 中不存在的 scrollContent 样式
- 修复 use-templates.ts 中 page 可能是 undefined 的类型问题
- 添加 tsconfig.json 的 exclude 配置
- 修复 use-template-actions.ts 中 null 不能赋值给 ApiError 的问题

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

hooks/use-templates.ts

@@ -4,9 +4,9 @@ import { useCallback, useRef, useState } from 'react'
 
 import { type ApiError } from '@/lib/types'
 
+import { OWNER_ID } from '@/lib/auth'
 import { handleError } from './use-error'
 
-const OWNER_ID = process.env.EXPO_PUBLIC_OWNER_ID || ''
 
 type ListTemplatesParams = Omit<ListTemplatesInput, 'ownerId'>
 
@@ -30,14 +30,15 @@ export const useTemplates = (initialParams?: ListTemplatesParams) => {
         currentPageRef.current = params?.page || 1
 
         const template = root.get(TemplateController)
+        const requestParams: ListTemplatesInput = {
+            ...DEFAULT_PARAMS,
+            ...initialParams,
+            ...params,
+            ownerId: OWNER_ID,
+        }
+
         const { data, error } = await handleError(
-            async () =>
-                await template.list({
-                    ...DEFAULT_PARAMS,
-                    ...initialParams,
-                    ...params,
-                    ownerId: OWNER_ID,
-                }),
+            async () => await template.list(requestParams),
         )
 
         if (error) {
@@ -60,14 +61,15 @@ export const useTemplates = (initialParams?: ListTemplatesParams) => {
         const nextPage = currentPageRef.current + 1
 
         const template = root.get(TemplateController)
+        const requestParams: ListTemplatesInput = {
+            ...DEFAULT_PARAMS,
+            ...initialParams,
+            page: nextPage,
+            ownerId: OWNER_ID,
+        }
+
         const { data: newData, error } = await handleError(
-            async () =>
-                await template.list({
-                    ...DEFAULT_PARAMS,
-                    ...initialParams,
-                    page: nextPage,
-                    ownerId: OWNER_ID,
-                }),
+            async () => await template.list(requestParams),
         )
 
         if (error) {