Merge pull request #311 from longgexx/main

添加分组级别模型路由配置功能（Anthropic平台）

backend/internal/service/group.go

 package service
 
-import "time"
+import (
+	"strings"
+	"time"
+)
 
 type Group struct {
 	ID             int64
@@ -27,6 +30,12 @@ type Group struct {
 	ClaudeCodeOnly  bool
 	FallbackGroupID *int64
 
+	// 模型路由配置
+	// key: 模型匹配模式（支持 * 通配符，如 "claude-opus-*"）
+	// value: 优先账号 ID 列表
+	ModelRouting        map[string][]int64
+	ModelRoutingEnabled bool
+
 	CreatedAt time.Time
 	UpdatedAt time.Time
 
@@ -90,3 +99,41 @@ func IsGroupContextValid(group *Group) bool {
 	}
 	return true
 }
+
+// GetRoutingAccountIDs 根据请求模型获取路由账号 ID 列表
+// 返回匹配的优先账号 ID 列表，如果没有匹配规则则返回 nil
+func (g *Group) GetRoutingAccountIDs(requestedModel string) []int64 {
+	if !g.ModelRoutingEnabled || len(g.ModelRouting) == 0 || requestedModel == "" {
+		return nil
+	}
+
+	// 1. 精确匹配优先
+	if accountIDs, ok := g.ModelRouting[requestedModel]; ok && len(accountIDs) > 0 {
+		return accountIDs
+	}
+
+	// 2. 通配符匹配（前缀匹配）
+	for pattern, accountIDs := range g.ModelRouting {
+		if matchModelPattern(pattern, requestedModel) && len(accountIDs) > 0 {
+			return accountIDs
+		}
+	}
+
+	return nil
+}
+
+// matchModelPattern 检查模型是否匹配模式
+// 支持 * 通配符，如 "claude-opus-*" 匹配 "claude-opus-4-20250514"
+func matchModelPattern(pattern, model string) bool {
+	if pattern == model {
+		return true
+	}
+
+	// 处理 * 通配符（仅支持末尾通配符）
+	if strings.HasSuffix(pattern, "*") {
+		prefix := strings.TrimSuffix(pattern, "*")
+		return strings.HasPrefix(model, prefix)
+	}
+
+	return false
+}

backend/migrations/040_add_group_model_routing.sql

+-- 040_add_group_model_routing.sql
+-- 添加分组级别的模型路由配置功能
+
+-- 添加 model_routing 字段：模型路由配置（JSONB 格式）
+-- 格式: {"model_pattern": [account_id1, account_id2], ...}
+-- 例如: {"claude-opus-*": [1, 2], "claude-sonnet-*": [3, 4, 5]}
+ALTER TABLE groups
+ADD COLUMN IF NOT EXISTS model_routing JSONB DEFAULT '{}';
+
+-- 添加字段注释
+COMMENT ON COLUMN groups.model_routing IS '模型路由配置：{"model_pattern": [account_id1, account_id2], ...}，支持通配符匹配';

backend/migrations/041_add_model_routing_enabled.sql

+-- Add model_routing_enabled field to groups table
+ALTER TABLE groups ADD COLUMN model_routing_enabled BOOLEAN NOT NULL DEFAULT false;

frontend/src/i18n/locales/en.ts

@@ -916,6 +916,26 @@ export default {
         fallbackGroup: 'Fallback Group',
         fallbackHint: 'Non-Claude Code requests will use this group. Leave empty to reject directly.',
         noFallback: 'No Fallback (Reject)'
+      },
+      modelRouting: {
+        title: 'Model Routing',
+        tooltip: 'Configure specific model requests to be routed to designated accounts. Supports wildcard matching, e.g., claude-opus-* matches all opus models.',
+        enabled: 'Enabled',
+        disabled: 'Disabled',
+        disabledHint: 'Routing rules will only take effect when enabled',
+        addRule: 'Add Routing Rule',
+        modelPattern: 'Model Pattern',
+        modelPatternPlaceholder: 'claude-opus-*',
+        modelPatternHint: 'Supports * wildcard, e.g., claude-opus-* matches all opus models',
+        accounts: 'Priority Accounts',
+        selectAccounts: 'Select accounts',
+        noAccounts: 'No accounts in this group',
+        loadingAccounts: 'Loading accounts...',
+        removeRule: 'Remove Rule',
+        noRules: 'No routing rules',
+        noRulesHint: 'Add routing rules to route specific model requests to designated accounts',
+        searchAccountPlaceholder: 'Search accounts...',
+        accountsHint: 'Select accounts to prioritize for this model pattern'
       }
     },
 

frontend/src/i18n/locales/zh.ts

@@ -992,6 +992,26 @@ export default {
         fallbackGroup: '降级分组',
         fallbackHint: '非 Claude Code 请求将使用此分组，留空则直接拒绝',
         noFallback: '不降级（直接拒绝）'
+      },
+      modelRouting: {
+        title: '模型路由配置',
+        tooltip: '配置特定模型请求优先路由到指定账号。支持通配符匹配，如 claude-opus-* 匹配所有 opus 模型。',
+        enabled: '已启用',
+        disabled: '已禁用',
+        disabledHint: '启用后，配置的路由规则才会生效',
+        addRule: '添加路由规则',
+        modelPattern: '模型模式',
+        modelPatternPlaceholder: 'claude-opus-*',
+        modelPatternHint: '支持 * 通配符，如 claude-opus-* 匹配所有 opus 模型',
+        accounts: '优先账号',
+        selectAccounts: '选择账号',
+        noAccounts: '此分组暂无账号',
+        loadingAccounts: '加载账号中...',
+        removeRule: '删除规则',
+        noRules: '暂无路由规则',
+        noRulesHint: '添加路由规则以将特定模型请求优先路由到指定账号',
+        searchAccountPlaceholder: '搜索账号...',
+        accountsHint: '选择此模型模式优先使用的账号'
       }
     },
 

frontend/src/types/index.ts

@@ -269,6 +269,9 @@ export interface Group {
   // Claude Code 客户端限制
   claude_code_only: boolean
   fallback_group_id: number | null
+  // 模型路由配置（仅 anthropic 平台使用）
+  model_routing: Record<string, number[]> | null
+  model_routing_enabled: boolean
   account_count?: number
   created_at: string
   updated_at: string