feat(emergency): 新增移动端宣教详情接口，整理移动端API文档

- 新增 FirstAidResourceApiController，提供 GET /api/emergency/firstAid/resource/queryById
- RequestPrefix 新增 FIRST_AID_RESOURCE 路径常量
- API文档-应急群聊拉人.md 合并入新文档 API文档-移动端接口.md（含群聊拉人 + 宣教资源）
- API文档-急救宣教资源管理v3.md 保持管理后台接口

health-emergency/health-emergency-biz/src/main/java/com/renkang/emergency/api/RequestPrefix.java

@@ -12,6 +12,8 @@ public interface RequestPrefix {
 
     String DISEASE = BASE + "/disease";
 
+    String FIRST_AID_RESOURCE = BASE + "/firstAid/resource";
+
     // 不鉴权路径
     String API = "/api";
     String ANON = API + "/anon/aed";

health-emergency/health-emergency-biz/src/main/java/com/renkang/emergency/api/controller/FirstAidResourceApiController.java

@@ -0,0 +1,39 @@
+package com.renkang.emergency.api.controller;
+
+import com.renkang.emergency.api.RequestPrefix;
+import com.renkang.emergency.entity.FirstAidResource;
+import com.renkang.emergency.service.IFirstAidResourceService;
+import io.swagger.v3.oas.annotations.Operation;
+import io.swagger.v3.oas.annotations.tags.Tag;
+import org.jeecg.common.api.vo.Result;
+import org.jeecg.global.GlobalUtils;
+import org.jeecg.common.system.vo.LoginUser;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.GetMapping;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+/**
+ * 移动端-急救宣教资源
+ *
+ * @author pengjie
+ * @date 2026-07-06
+ */
+@Tag(name = "移动端-急救宣教资源")
+@RestController
+@RequestMapping(RequestPrefix.FIRST_AID_RESOURCE)
+public class FirstAidResourceApiController {
+
+    @Autowired
+    private IFirstAidResourceService resourceService;
+
+    @Operation(summary = "根据宣教ID查询详情")
+    @GetMapping("/queryById")
+    public Result<FirstAidResource> queryById(@RequestParam("id") String id) {
+        LoginUser loginUser = GlobalUtils.getLoginUser();
+        String userId = loginUser != null ? loginUser.getId() : null;
+        FirstAidResource entity = resourceService.getDetail(id, userId);
+        return entity == null ? Result.error("未找到对应数据") : Result.OK(entity);
+    }
+}