feat: 0.2.27 - 抽离数据库基础设施模块

- 新增 ias-db crate，集中管理 PostgreSQL 连接池和 SQLx 迁移
- 迁移 ias-service/migrations 到 ias-db/migrations
- ias-main 改用 ias_db::connect_db()，ias-service 只接 PgPool
- 新增操作日志 HTTP 查询接口 (GET /v1/logs, GET /v1/logs/{id})
- 新增操作日志 Web 前端页面，支持按级别/模块/关键词筛选
- 消息队列关键节点增加操作日志写入
- ias-mail 新增 mark_remote_message_seen，IMAP 已读同步
- 工作流配置加载改为文件级容错 (load_configs_with_warnings)
- ias-context 工具调用说明更新为 query_api_docs + call_http_api
- 新增高德地图地理编码 HTTP 能力配置

模块版本: ias-db 0.1.0, ias-ai 0.1.14, ias-context 0.1.6, ias-http 0.1.15, ias-mail 0.1.16, ias-service 0.1.25, ias-main 0.2.27

Cargo.lock

@@ -1042,7 +1042,7 @@ dependencies = [
 
 [[package]]
 name = "ias-ai"
-version = "0.1.11"
+version = "0.1.14"
 dependencies = [
  "anyhow",
  "chrono",
@@ -1072,7 +1072,7 @@ dependencies = [
 
 [[package]]
 name = "ias-context"
-version = "0.1.4"
+version = "0.1.6"
 dependencies = [
  "anyhow",
  "axum",
@@ -1084,9 +1084,17 @@ dependencies = [
  "sqlx",
 ]
 
+[[package]]
+name = "ias-db"
+version = "0.1.0"
+dependencies = [
+ "anyhow",
+ "sqlx",
+]
+
 [[package]]
 name = "ias-http"
-version = "0.1.13"
+version = "0.1.15"
 dependencies = [
  "anyhow",
  "axum",
@@ -1101,7 +1109,7 @@ dependencies = [
 
 [[package]]
 name = "ias-mail"
-version = "0.1.15"
+version = "0.1.16"
 dependencies = [
  "anyhow",
  "async-imap",
@@ -1120,14 +1128,14 @@ dependencies = [
 
 [[package]]
 name = "ias-main"
-version = "0.2.22"
+version = "0.2.27"
 dependencies = [
  "anyhow",
  "clap",
  "dotenvy",
+ "ias-db",
  "ias-mail",
  "ias-service",
- "sqlx",
  "tokio",
  "tracing",
  "tracing-subscriber",
@@ -1135,7 +1143,7 @@ dependencies = [
 
 [[package]]
 name = "ias-service"
-version = "0.1.19"
+version = "0.1.25"
 dependencies = [
  "anyhow",
  "axum",