docs(architecture): consolidate domain protocols

src/stores/payment/payment-context.tsx

@@ -1,8 +1,6 @@
 "use client";
 
-/**
- * PaymentContext：基于 XState v5 的 React Context Provider
- */
+/** Route UI reads this projection instead of the Payment machine snapshot. */
 import type { Dispatch, ReactNode } from "react";
 import { createActorContext, shallowEqual } from "@xstate/react";
 import type { SnapshotFrom } from "xstate";

src/stores/payment/payment-events.ts

@@ -1,6 +1,4 @@
-/**
- * Payment 状态机：事件联合
- */
+/** Public events for one route-scoped Payment actor. */
 import type { PayChannel } from "@/data/schemas/payment";
 import type { PaymentPlanCatalog } from "./payment-state";
 

src/stores/payment/payment-state.ts

@@ -1,6 +1,4 @@
-/**
- * Payment 状态机：State 形状 + 初始值
- */
+/** Context shared by the default and Tip payment catalogs. */
 import type {
   PayChannel,
   PaymentOrderStatus,

src/stores/private-room/private-room-context.tsx

@@ -10,6 +10,7 @@ import type {
   PrivateRoomState as MachineContext,
 } from "./private-room-machine";
 
+/** Route UI reads this projection instead of the Private Room snapshot. */
 export interface PrivateRoomContextState {
   characterId: string;
   status: string;

src/stores/private-room/private-room-events.ts

@@ -1,3 +1,4 @@
+/** Public events for one character-scoped Private Room actor. */
 export type PrivateRoomEvent =
   | { type: "PrivateRoomInit" }
   | { type: "PrivateRoomRefresh" }