重构(计费): module-runtime 去掉通配 re-export 改为策展导出

- lib.rs 移除 pub use civil_calendar::*，公历基元只保留 civil_calendar:: 命名空间

- lib.rs 移除 pub use membership::*，改为只重导出对外的会员契约符号

- 未改动 spacetime-module / spacetime-client / api-server，现有引用保持可用

Co-authored-by: Junie <junie@jetbrains.com>

server-rs/crates/module-runtime/src/lib.rs

@@ -1,22 +1,34 @@
 pub mod agc_analytics;
-mod agc_models;
 pub mod civil_calendar;
-pub use civil_calendar::*;
-mod llm_billing;
-pub use llm_billing::*;
-mod application;
 pub mod membership;
-pub use agc_models::*;
+
+mod agc_models;
+mod application;
 mod commands;
 mod domain;
 mod errors;
 mod events;
+mod llm_billing;
 
+pub use agc_models::*;
 pub use application::*;
 pub use commands::*;
 pub use domain::*;
 pub use errors::*;
-pub use membership::*;
+pub use llm_billing::*;
+
+// 中文注释：`membership` 与 `civil_calendar` 不再用 `pub use ...::*` 摊平到 crate 根：
+// 通配会把公历基元和目录内部件都变成公开 API，模块继续增长后容易命名冲突；
+// 这里只重导出真正对外的会员契约符号，其余留在 `membership::` / `civil_calendar::` 命名空间下。
+pub use membership::{
+    MEMBERSHIP_UNLIMITED_CONCURRENCY, RuntimeProfileMembershipPlanRecord,
+    RuntimeProfileMembershipPlanSnapshot, RuntimeProfileMembershipUpgradeQuoteInput,
+    beijing_local_micros, build_runtime_profile_membership_plan_snapshot, is_unlimited_concurrency,
+    membership_cycle_window, membership_expires_at, parse_runtime_profile_membership_product_id,
+    quote_runtime_profile_membership_upgrade, resolve_runtime_profile_membership_plan_row,
+    runtime_profile_membership_plan_catalog, runtime_profile_membership_plan_rank,
+    runtime_profile_membership_product_id,
+};
 
 use shared_kernel::format_rfc3339 as format_shared_rfc3339;
 use time::OffsetDateTime;