feat: 添加 Bedrock API 客户端及 API 层增强

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/utils/effort.ts

@@ -16,6 +16,7 @@ export const EFFORT_LEVELS = [
   'low',
   'medium',
   'high',
+  'xhigh',
   'max',
 ] as const satisfies readonly EffortLevel[]
 
@@ -32,7 +33,11 @@ export function modelSupportsEffort(model: string): boolean {
     return supported3P
   }
   // Supported by a subset of Claude 4 models
-  if (m.includes('opus-4-6') || m.includes('sonnet-4-6')) {
+  if (
+    m.includes('opus-4-7') ||
+    m.includes('opus-4-6') ||
+    m.includes('sonnet-4-6')
+  ) {
     return true
   }
   // Exclude any other known legacy models (haiku, older opus/sonnet variants)
@@ -51,13 +56,32 @@ export function modelSupportsEffort(model: string): boolean {
 }
 
 // @[MODEL LAUNCH]: Add the new model to the allowlist if it supports 'max' effort.
-// Per API docs, 'max' is Opus 4.6 only for public models — other models return an error.
+// Per API docs, 'max' is Opus 4.6/4.7 only for public models — other models return an error.
 export function modelSupportsMaxEffort(model: string): boolean {
   const supported3P = get3PModelCapabilityOverride(model, 'max_effort')
   if (supported3P !== undefined) {
     return supported3P
   }
-  if (model.toLowerCase().includes('opus-4-6')) {
+  if (
+    model.toLowerCase().includes('opus-4-7') ||
+    model.toLowerCase().includes('opus-4-6')
+  ) {
+    return true
+  }
+  if (process.env.USER_TYPE === 'ant' && resolveAntModel(model)) {
+    return true
+  }
+  return false
+}
+
+// @[MODEL LAUNCH]: Add the new model to the allowlist if it supports 'xhigh' effort.
+// 'xhigh' was introduced with Opus 4.7 as a level between 'high' and 'max'.
+export function modelSupportsXhighEffort(model: string): boolean {
+  const supported3P = get3PModelCapabilityOverride(model, 'xhigh_effort')
+  if (supported3P !== undefined) {
+    return supported3P
+  }
+  if (model.toLowerCase().includes('opus-4-7')) {
     return true
   }
   if (process.env.USER_TYPE === 'ant' && resolveAntModel(model)) {
@@ -97,7 +121,12 @@ export function parseEffortValue(value: unknown): EffortValue | undefined {
 export function toPersistableEffort(
   value: EffortValue | undefined,
 ): EffortLevel | undefined {
-  if (value === 'low' || value === 'medium' || value === 'high') {
+  if (
+    value === 'low' ||
+    value === 'medium' ||
+    value === 'high' ||
+    value === 'xhigh'
+  ) {
     return value
   }
   if (value === 'max' && process.env.USER_TYPE === 'ant') {
@@ -161,6 +190,10 @@ export function resolveAppliedEffort(
   }
   const resolved =
     envOverride ?? appStateEffortValue ?? getDefaultEffortForModel(model)
+  // API rejects 'xhigh' on pre-Opus-4.7 models — downgrade to 'high'.
+  if (resolved === 'xhigh' && !modelSupportsXhighEffort(model)) {
+    return 'high'
+  }
   // API rejects 'max' on non-Opus-4.6 models — downgrade to 'high'.
   if (resolved === 'max' && !modelSupportsMaxEffort(model)) {
     return 'high'
@@ -231,8 +264,10 @@ export function getEffortLevelDescription(level: EffortLevel): string {
       return 'Balanced approach with standard implementation and testing'
     case 'high':
       return 'Comprehensive implementation with extensive testing and documentation'
+    case 'xhigh':
+      return 'Extended reasoning beyond high, short of max (Opus 4.7 only)'
     case 'max':
-      return 'Maximum capability with deepest reasoning (Opus 4.6 only)'
+      return 'Maximum capability with deepest reasoning (Opus 4.6/4.7 only)'
   }
 }
 
@@ -308,7 +343,10 @@ export function getDefaultEffortForModel(
 
   // Default effort on Opus 4.6 to medium for Pro.
   // Max/Team also get medium when the tengu_grey_step2 config is enabled.
-  if (model.toLowerCase().includes('opus-4-6')) {
+  if (
+    model.toLowerCase().includes('opus-4-7') ||
+    model.toLowerCase().includes('opus-4-6')
+  ) {
     if (isProSubscriber()) {
       return 'medium'
     }