feat(recycle-bin): 实现回收站功能

- 在数据库中添加逻辑删除字段和相关索引- 新增回收站相关实体类和接口
- 实现回收站列表查询、项目恢复、永久删除和清空回收站等功能
- 前端集成回收站接口，支持回收站页面操作

biji-houdaun/src/main/java/com/test/bijihoudaun/controller/TrashController.java

@@ -0,0 +1,47 @@
+package com.test.bijihoudaun.controller;
+
+import com.test.bijihoudaun.common.response.R;
+import com.test.bijihoudaun.entity.TrashItemVo;
+import com.test.bijihoudaun.service.TrashService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+
+import java.util.List;
+
+@RestController
+@RequestMapping("/api/trash")
+@Tag(name = "回收站管理")
+public class TrashController {
+
+    @Autowired
+    private TrashService trashService;
+
+    @GetMapping
+    @Operation(summary = "获取回收站列表")
+    public R<List<TrashItemVo>> getTrashItems() {
+        return R.success(trashService.getTrashItems());
+    }
+
+    @PostMapping("/restore/{type}/{id}")
+    @Operation(summary = "恢复项目")
+    public R<Void> restoreItem(@PathVariable String type, @PathVariable String id) {
+        trashService.restoreItem(id, type);
+        return R.success();
+    }
+
+    @DeleteMapping("/permanently/{type}/{id}")
+    @Operation(summary = "永久删除项目")
+    public R<Void> permanentlyDeleteItem(@PathVariable String type, @PathVariable String id) {
+        trashService.permanentlyDeleteItem(id, type);
+        return R.success();
+    }
+
+    @DeleteMapping("/clean")
+    @Operation(summary = "清空回收站")
+    public R<Void> cleanTrash() {
+        trashService.cleanTrash();
+        return R.success();
+    }
+}