[OHOS] feat: Enhance Rust kernel with config management and routing improvements (#2227)

* [OHOS.with ai] 将配置管理/配置分享/路由聚合/实例状态解析下沉至 Rust 内核，收敛职责并提升性能 (#2209)

* feat: add ohrs config store and startup error logging

* feat: full ability core for ohos

* feat: full ability core for ohos

* feat: clean code

---------

Co-authored-by: FrankHan <frankhan@FrankHans-Mac-mini.local>

* fix: 添加缺失文件

* fix: 修复更新路由启动两次TUN问题，并调整日志

* fix: rustfmt

* fix: 适配Cidr忽略/32格式路由

* fix: 修复Option适配错误

* fix: rustfmt

* fix: rustfmt

---------

Co-authored-by: FrankHan <frankhan@FrankHans-Mac-mini.local>

easytier-contrib/easytier-ohrs/src/exports/config_api.rs

@@ -0,0 +1,46 @@
+use crate::config;
+
+pub(crate) fn init_config_store(root_dir: String) -> bool {
+    config::repository::init_config_store(root_dir)
+}
+
+pub(crate) fn list_configs() -> String {
+    config::repository::list_config_meta_json()
+}
+
+pub(crate) fn save_config(config_id: String, display_name: String, config_json: String) -> bool {
+    config::repository::save_config_record(config_id, display_name, config_json).is_some()
+}
+
+pub(crate) fn create_config(config_id: String, display_name: String) -> bool {
+    config::repository::create_config_record(config_id, display_name).is_some()
+}
+
+pub(crate) fn delete_stored_config_meta(config_id: String) -> bool {
+    config::repository::delete_config_record(&config_id)
+}
+
+pub(crate) fn get_config(config_id: String) -> Option<String> {
+    config::repository::load_config_json(&config_id)
+}
+
+pub(crate) fn get_default_config() -> Option<String> {
+    config::repository::get_default_config_json()
+}
+
+pub(crate) fn get_config_field(config_id: String, field: String) -> Option<String> {
+    config::repository::get_config_field_value(&config_id, &field)
+}
+
+pub(crate) fn set_config_field(config_id: String, field: String, json_value: String) -> bool {
+    config::repository::set_config_field_value(&config_id, &field, &json_value)
+}
+
+pub(crate) fn import_toml(toml_text: String, display_name: Option<String>) -> Option<String> {
+    config::repository::import_toml_config(toml_text, display_name)
+        .map(|record| record.meta.config_id)
+}
+
+pub(crate) fn export_toml(config_id: String) -> Option<String> {
+    config::repository::export_config_toml(&config_id).map(|ret| ret.toml_text)
+}