b827c93d39
- 新增 RuntimeProfileMembershipPlan { Normal, Starter, Plus, Pro, Max } 作为档位权威身份,取代旧 RuntimeProfileMembershipTier
- 新增 RuntimeProfileMembershipCycleKind:月付 1 期、年付 12 期(每期仍为一个自然月)
- 新增 RuntimeProfileMembershipModelAccess { Basic, Full } 与 RuntimeProfileMembershipChangeKind { Purchase, Upgrade }
- 四个枚举各带 as_str 与 parse,未知对外 token 返回 None,由调用方显式拒绝
- 新增集成测试 tests/membership_plan_enum.rs:token 往返、Normal 不可购买、期数映射、未知 token 拒绝
Co-authored-by: Junie <junie@jetbrains.com>