完善案例库最终验证修正

src/lib/cases/types.ts

@@ -65,7 +65,7 @@ export interface ArticleCaseInputPayload {
   fact_card?: unknown;
 }
 
-export interface HumanCopyCaseInputPayload extends CopyOptimizationRequest {}
+export type HumanCopyCaseInputPayload = CopyOptimizationRequest;
 
 export interface ArticleResultVersionPayload {
   article: OptimizedArticle;
@@ -73,7 +73,7 @@ export interface ArticleResultVersionPayload {
   export_paths: Record<string, string>;
 }
 
-export interface HumanCopyResultVersionPayload extends CopyOptimizationResult {}
+export type HumanCopyResultVersionPayload = CopyOptimizationResult;
 
 export interface OptimizationResultVersion {
   id: string;

src/lib/db/d1-repository.ts

@@ -7,8 +7,6 @@ import type {
 } from "../calibration/types";
 import type {
   CaseInput,
-  CaseListFilters,
-  CaseMetadataPatch,
   OptimizationCase,
   OptimizationCaseStatus,
   OptimizationCaseType,