新增智能体和房间规则管理功能

- 新增智能体（Agent）规则的增删改查（CRUD）和服务实现。
- 新增房间（Room）规则的增删改查（CRUD）和服务实现。
- 将 `PromptRule` 相关命名重构为 `AgentRule`，以提高代码清晰度。
- 将相关数据实体中表示总数的字段类型从 `Int` 修改为 `Long`。

app/src/main/java/com/aiosman/ravenow/entity/Agent.kt

@@ -7,18 +7,13 @@ import com.aiosman.ravenow.data.Agent
 import com.aiosman.ravenow.data.ListContainer
 import com.aiosman.ravenow.data.AgentService
 import com.aiosman.ravenow.data.DataContainer
-import com.aiosman.ravenow.data.MomentService
 import com.aiosman.ravenow.data.ServiceException
 import com.aiosman.ravenow.data.UploadImage
-import com.aiosman.ravenow.data.UserService
 import com.aiosman.ravenow.data.api.ApiClient
-import okhttp3.MediaType
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
 import okhttp3.MultipartBody
-import okhttp3.RequestBody
 import okhttp3.RequestBody.Companion.asRequestBody
 import okhttp3.RequestBody.Companion.toRequestBody
-import retrofit2.http.Part
 import java.io.File
 import java.io.IOException
 
@@ -160,7 +155,7 @@ class AgentBackend {
         return if (authorId != null) {
             // getAgent 返回 DataContainer<ListContainer<Agent>>
             val dataContainer =
-                body as com.aiosman.ravenow.data.DataContainer<com.aiosman.ravenow.data.ListContainer<com.aiosman.ravenow.data.Agent>>
+                body as DataContainer<ListContainer<Agent>>
             val listContainer = dataContainer.data
             ListContainer(
                 total = listContainer.total,
@@ -171,7 +166,7 @@ class AgentBackend {
         } else {
             // getMyAgent 返回 ListContainer<Agent>
             val listContainer =
-                body as com.aiosman.ravenow.data.ListContainer<com.aiosman.ravenow.data.Agent>
+                body as ListContainer<Agent>
             ListContainer(
                 total = listContainer.total,
                 page = pageNumber,
@@ -251,7 +246,7 @@ class AgentLoader : DataLoader<AgentEntity, AgentLoaderExtraArgs>() {
         } else {
             // getMyAgent 返回 ListContainer<Agent>
             val listContainer =
-                body as com.aiosman.ravenow.data.ListContainer<com.aiosman.ravenow.data.Agent>
+                body as ListContainer<Agent>
             ListContainer(
                 list = listContainer.list.map { it.toAgentEntity() },
                 total = listContainer.total,

app/src/main/java/com/aiosman/ravenow/entity/Loader.kt

@@ -9,7 +9,7 @@ import com.aiosman.ravenow.data.ListContainer
 abstract class DataLoader<T,ET> {
     var list: MutableList<T> = mutableListOf()
     var page by mutableStateOf(1)
-    var total by mutableStateOf(0)
+    var total by mutableStateOf(0L)
     var pageSize by mutableStateOf(10)
     var hasNext by mutableStateOf(true)
     var isLoading by mutableStateOf(false)

app/src/main/java/com/aiosman/ravenow/entity/Room.kt

@@ -3,10 +3,6 @@ package com.aiosman.ravenow.entity
 import com.aiosman.ravenow.data.ListContainer
 import com.aiosman.ravenow.data.ServiceException
 import com.aiosman.ravenow.data.api.ApiClient
-import okhttp3.MediaType.Companion.toMediaTypeOrNull
-import okhttp3.MultipartBody
-import okhttp3.RequestBody.Companion.asRequestBody
-import java.io.File
 
 /**
  * 群聊房间
@@ -56,6 +52,40 @@ data class ProfileEntity(
     val aiAccount: Boolean,
 )
 
+/**
+ * 房间规则创建者信息
+ */
+data class RoomRuleCreatorEntity(
+    val id: Int,
+    val nickname: String,
+    val avatar: String
+)
+
+/**
+ * 房间规则详情
+ */
+data class RoomRuleEntity(
+    val id: Int,
+    val rule: String,
+    val creator: RoomRuleCreatorEntity?,
+    val creatorType: String,
+    val roomId: Int,
+    val createdAt: String,
+    val updatedAt: String
+)
+
+/**
+ * 房间规则配额信息
+ */
+data class RoomRuleQuotaEntity(
+    val baseMaxCount: Int,
+    val purchasedCount: Int,
+    val totalMaxCount: Int,
+    val currentCount: Int,
+    val remainingCount: Int,
+    val usagePercent: Double
+)
+
 class RoomLoader : DataLoader<AgentEntity,AgentLoaderExtraArgs>() {
     override suspend fun fetchData(
         page: Int,