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-main/Cargo.toml

@@ -0,0 +1,25 @@
+[package]
+name = "ias-main"
+version = "0.1.7"
+edition = "2024"
+
+[[bin]]
+name = "ias-main"
+path = "src/main.rs"
+
+[dependencies]
+ias-service = { path = "../ias-service" }
+ias-mail = { path = "../ias-mail" }
+clap = { version = "4.6.1", features = ["derive"] }
+anyhow = "1"
+sqlx = { version = "0.9.0", features = [
+    "runtime-tokio",
+    "tls-rustls",
+    "postgres",
+    "migrate",
+    "chrono",
+] }
+tokio = { version = "1.0", features = ["rt-multi-thread", "macros"] }
+dotenvy = "0.15.7"
+tracing = "0.1"
+tracing-subscriber = { version = "0.3", features = ["env-filter"] }