refactor(errors): migrate decisions to {code,msg}

lib/domain/order-machine.ts

@@ -1,6 +1,6 @@
-import type { Actor } from "@/lib/policy/actor"
-import { allow, deny, requireAuth } from "@/lib/policy/assert"
-import type { PolicyDecision } from "@/lib/policy/decision"
+import type { Actor } from "@/lib/actor"
+import { allow, deny, requireAuth } from "@/lib/decision"
+import type { ApiDecision } from "@/lib/errors"
 import type { OrderStatus } from "@/lib/types"
 
 export type OrderAction =
@@ -36,7 +36,7 @@ interface TransitionContext {
 }
 
 export interface OrderTransitionResult {
-  decision: PolicyDecision
+  decision: ApiDecision
   nextStatus?: OrderStatus
   sideEffects: OrderTransitionSideEffect[]
 }
@@ -77,7 +77,7 @@ function isAutoAction(action: OrderAction): boolean {
   return action.startsWith("AUTO_TIMEOUT_")
 }
 
-function checkRolePermission(action: OrderAction, actor?: Actor | null): PolicyDecision {
+function checkRolePermission(action: OrderAction, actor?: Actor | null): ApiDecision {
   if (isAutoAction(action) || (action === "RESOLVE_DISPUTE" && !actor?.userId)) {
     return allow()
   }
@@ -88,26 +88,26 @@ function checkRolePermission(action: OrderAction, actor?: Actor | null): PolicyD
   }
 
   if (!actor) {
-    return deny("AUTH_REQUIRED", "请先登录")
+    return deny(401, "请先登录")
   }
 
   if (action === "PAY" || action === "CANCEL_PRE_ACCEPT") {
-    return actor.role === "consumer" ? allow() : deny("ROLE_FORBIDDEN", "仅客户可执行该操作")
+    return actor.role === "consumer" ? allow() : deny(403, "仅客户可执行该操作")
   }
 
   if (action === "ACCEPT") {
     return actor.role === "player" || actor.role === "owner"
       ? allow()
-      : deny("ROLE_FORBIDDEN", "仅打手或店主可执行该操作")
+      : deny(403, "仅打手或店主可执行该操作")
   }
 
   if (action === "RESOLVE_DISPUTE") {
-    return actor.role === "owner" ? allow() : deny("ROLE_FORBIDDEN", "仅店主可执行该操作")
+    return actor.role === "owner" ? allow() : deny(403, "仅店主可执行该操作")
   }
 
   return actor.role === "consumer" || actor.role === "player"
     ? allow()
-    : deny("ROLE_FORBIDDEN", "当前身份不可执行该操作")
+    : deny(403, "当前身份不可执行该操作")
 }
 
 function buildSideEffects(nextStatus: OrderStatus): OrderTransitionSideEffect[] {
@@ -144,14 +144,14 @@ export function evaluateOrderTransition(context: TransitionContext): OrderTransi
   const nextStatus = orderTransitionTable[context.order.status][context.action]
   if (!nextStatus) {
     return {
-      decision: deny("INVALID_STATUS", "当前状态不可执行该操作"),
+      decision: deny(400, "当前状态不可执行该操作"),
       sideEffects: [],
     }
   }
 
   if (nextStatus === context.order.status) {
     return {
-      decision: deny("IDEMPOTENT_NOOP", "状态未变化"),
+      decision: deny(400, "状态未变化"),
       sideEffects: [],
     }
   }