feat: 模块统一 ias- 前缀、独立版本与内网地址支持 (0.1.7)

- 所有 Rust crate 统一加 ias- 前缀：ai → ias-ai、common → ias-common、context → ias-context、mail → ias-mail、service → ias-service、wechat → ias-wechat
- 新增 ias-main 模块承载 CLI 入口和二进制打包
- 各模块开始独立维护版本号，ias-main 0.1.7 代表整体版本
- 新增 IA_WEB_INTERNAL_URL 环境变量，版本通知同时发送公网和内网链接
- 将已有升级日志翻译为中文
- ias_upgrade_logs 新增 modules JSONB 字段
- 新增 VERSION 文件和 CHANGELOG.md
- 新增 AGENTS.md 项目规则文件

ias-common/src/queue.rs

@@ -0,0 +1,34 @@
+use serde::{Deserialize, Serialize};
+
+use crate::model::ai::ChatCompletionToolCall;
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub enum QueueMessage {
+    Channel(ChannelMessage),
+    Notice(ChannelMessage, String),
+    Aissitant(ChannelMessage, AssistantMessage),
+    Tool(ChannelMessage, String, String, String),
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ChannelMessage {
+    pub channel: String,
+    pub account_id: String,
+    pub from_user_id: String,
+    pub content: String,
+    pub context: Option<String>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct AssistantMessage {
+    pub reasoning: Option<String>,
+    pub content: String,
+    pub tool_calls: Option<Vec<ChatCompletionToolCall>>,
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct ToolMessage {
+    pub tool_call_id: String,
+    pub name: String,
+    pub result: String,
+}