refactor(server): decouple services and improve architecture

- Introduce interfaces for all major services (JWT, PostAI, Comment, Message, Notification, QRCodeLogin, Upload, Vote, etc.) to support dependency inversion.
- Move query parameters from `internal/dto` to a new `internal/query` package to separate request payloads from data transfer objects.
- Refactor `internal/router` to use embedded `RouterDeps` for cleaner dependency management.
- Decouple handlers from repositories by injecting services instead of direct repository access, ensuring proper layering.
- Improve database initialization by moving it from `internal/model` to `internal/database`.
- Optimize message decryption by implementing a more efficient `BatchDecrypt` method in `MessageEncryptor` using a worker pool.
- Enhance error handling and security by implementing fail-fast checks for encryption key length during startup.
- Clean up unused code, including the `avatar` package and several unused DTOs.

internal/handler/admin_report_handler.go

@@ -3,6 +3,7 @@ package handler
 import (
 	"with_you/internal/dto"
 	"with_you/internal/pkg/response"
+	"with_you/internal/query"
 	"with_you/internal/service"
 
 	"github.com/gin-gonic/gin"
@@ -24,7 +25,7 @@ func NewAdminReportHandler(adminReportService service.AdminReportService) *Admin
 // List 获取举报列表
 func (h *AdminReportHandler) List(c *gin.Context) {
 	// 解析查询参数
-	var query dto.AdminReportListQuery
+	var query query.AdminReportListQuery
 	if err := c.ShouldBindQuery(&query); err != nil {
 		response.BadRequest(c, "参数错误: "+err.Error())
 		return
@@ -136,4 +137,3 @@ func (h *AdminReportHandler) BatchHandle(c *gin.Context) {
 
 	response.Success(c, result)
 }
-