Remove redundant fuzzy_lookup methods from test ReferenceProviders for cleanup

apps/ai-game-creator-shell/tests/resourceReferenceInput.test.tsx

@@ -464,7 +464,6 @@ describe('ResourceReferenceInput', () => {
     // provider 认得出这个 token（lookup 有候选），但插入那一刻已经解析不出引用（例如资产刚被删）。
     const ghostProvider: ReferenceProvider = {
       trigger: '@',
-      fuzzy_lookup: () => [],
       lookup: () => [resourceReferenceFromAsset(assets[0]!, 'asset-picker')],
       toReference: () => null,
       refresh: (reference) => reference,
@@ -495,7 +494,6 @@ describe('ResourceReferenceInput', () => {
     // 这时必须落一段正常文本（资源退回 resourceId），粘贴进来的字不许凭空消失。
     const brokenProvider: ReferenceProvider = {
       trigger: '@',
-      fuzzy_lookup: () => [],
       lookup: () => [
         resourceReferenceFromAsset(
           asset('ghost-asset', 'character', 'image/png', 'assets/幽灵.png'),
@@ -870,7 +868,6 @@ describe('ResourceReferenceInput', () => {
     // provider 契约被破坏：解析得出引用，但答不出 token。它仍然必须活过这一轮润色回写。
     const tokenlessProvider: ReferenceProvider = {
       trigger: '@',
-      fuzzy_lookup: () => [],
       lookup: () => [reference],
       toReference: (part) =>
         part.type === 'agc_resource_reference' ? reference : null,