fix: 修复 /v1/messages 间歇性 400 错误 (#112)
* fix(upstream): 修复上游格式兼容性问题 - 跳过Claude模型无signature的thinking block - 支持custom类型工具(MCP)格式转换 - 添加ClaudeCustomToolSpec结构体支持MCP工具 - 添加Custom字段验证,跳过无效custom工具 - 在convertClaudeToolsToGeminiTools中添加schema清理 - 完整的单元测试覆盖,包含边界情况 修复: Issue 0.1 signature缺失, Issue 0.2 custom工具格式 改进: Codex审查发现的2个重要问题 测试: - TestBuildParts_ThinkingBlockWithoutSignature: 验证thinking block处理 - TestBuildTools_CustomTypeTools: 验证custom工具转换和边界情况 - TestConvertClaudeToolsToGeminiTools_CustomType: 验证service层转换 * feat(gemini): 添加Gemini限额与TierID支持 实现PR1:Gemini限额与TierID功能 后端修改: - GeminiTokenInfo结构体添加TierID字段 - fetchProjectID函数返回(projectID, tierID, error) - 从LoadCodeAssist响应中提取tierID(优先IsDefault,回退到第一个非空tier) - ExchangeCode、RefreshAccountToken、GetAccessToken函数更新以处理tierID - BuildAccountCredentials函数保存tier_id到credentials 前端修改: - AccountStatusIndicator组件添加tier显示 - 支持LEGACY/PRO/ULTRA等tier类型的友好显示 - 使用蓝色badge展示tier信息 技术细节: - tierID提取逻辑:优先选择IsDefault的tier,否则选择第一个非空tier - 所有fetchProjectID调用点已更新以处理新的返回签名 - 前端gracefully处理missing/unknown tier_id * refactor(gemini): 优化TierID实现并添加安全验证 根据并发代码审查(code-reviewer, security-auditor, gemini, codex)的反馈进行改进: 安全改进: - 添加validateTierID函数验证tier_id格式和长度(最大64字符) - 限制tier_id字符集为字母数字、下划线、连字符和斜杠 - 在BuildAccountCredentials中验证tier_id后再存储 - 静默跳过无效tier_id,不阻塞账户创建 代码质量改进: - 提取extractTierIDFromAllowedTiers辅助函数消除重复代码 - 重构fetchProjectID函数,tierID提取逻辑只执行一次 - 改进代码可读性和可维护性 审查工具: - code-reviewer agent (a09848e) - security-auditor agent (a9a149c) - gemini CLI (bcc7c81) - codex (b5d8919) 修复问题: - HIGH: 未验证的tier_id输入 - MEDIUM: 代码重复(tierID提取逻辑重复2次) * fix(format): 修复 gofmt 格式问题 - 修复 claude_types.go 中的字段对齐问题 - 修复 gemini_messages_compat_service.go 中的缩进问题 * fix(upstream): 修复上游格式兼容性问题 (#14) * fix(upstream): 修复上游格式兼容性问题 - 跳过Claude模型无signature的thinking block - 支持custom类型工具(MCP)格式转换 - 添加ClaudeCustomToolSpec结构体支持MCP工具 - 添加Custom字段验证,跳过无效custom工具 - 在convertClaudeToolsToGeminiTools中添加schema清理 - 完整的单元测试覆盖,包含边界情况 修复: Issue 0.1 signature缺失, Issue 0.2 custom工具格式 改进: Codex审查发现的2个重要问题 测试: - TestBuildParts_ThinkingBlockWithoutSignature: 验证thinking block处理 - TestBuildTools_CustomTypeTools: 验证custom工具转换和边界情况 - TestConvertClaudeToolsToGeminiTools_CustomType: 验证service层转换 * fix(format): 修复 gofmt 格式问题 - 修复 claude_types.go 中的字段对齐问题 - 修复 gemini_messages_compat_service.go 中的缩进问题 * fix(format): 修复 claude_types.go 的 gofmt 格式问题 * feat(antigravity): 优化 thinking block 和 schema 处理 - 为 dummy thinking block 添加 ThoughtSignature - 重构 thinking block 处理逻辑,在每个条件分支内创建 part - 优化 excludedSchemaKeys,移除 Gemini 实际支持的字段 (minItems, maxItems, minimum, maximum, additionalProperties, format) - 添加详细注释说明 Gemini API 支持的 schema 字段 * fix(antigravity): 增强 schema 清理的安全性 基于 Codex review 建议: - 添加 format 字段白名单过滤,只保留 Gemini 支持的 date-time/date/time - 补充更多不支持的 schema 关键字到黑名单: * 组合 schema: oneOf, anyOf, allOf, not, if/then/else * 对象验证: minProperties, maxProperties, patternProperties 等 * 定义引用: $defs, definitions - 避免不支持的 schema 字段导致 Gemini API 校验失败 * fix(lint): 修复 gemini_messages_compat_service 空分支警告 - 在 cleanToolSchema 的 if 语句中添加 continue - 移除重复的注释 * fix(antigravity): 移除 minItems/maxItems 以兼容 Claude API - 将 minItems 和 maxItems 添加到 schema 黑名单 - Claude API (Vertex AI) 不支持这些数组验证字段 - 添加调试日志记录工具 schema 转换过程 - 修复 tools.14.custom.input_schema 验证错误 * fix(antigravity): 修复 additionalProperties schema 对象问题 - 将 additionalProperties 的 schema 对象转换为布尔值 true - Claude API 只支持 additionalProperties: false,不支持 schema 对象 - 修复 tools.14.custom.input_schema 验证错误 - 参考 Claude 官方文档的 JSON Schema 限制 * fix(antigravity): 修复 Claude 模型 thinking 块兼容性问题 - 完全跳过 Claude 模型的 thinking 块以避免 signature 验证失败 - 只在 Gemini 模型中使用 dummy thought signature - 修改 additionalProperties 默认值为 false(更安全) - 添加调试日志以便排查问题 * fix(upstream): 修复跨模型切换时的 dummy signature 问题 基于 Codex review 和用户场景分析的修复: 1. 问题场景 - Gemini (thinking) → Claude (thinking) 切换时 - Gemini 返回的 thinking 块使用 dummy signature - Claude API 会拒绝 dummy signature,导致 400 错误 2. 修复内容 - request_transformer.go:262: 跳过 dummy signature - 只保留真实的 Claude signature - 支持频繁的跨模型切换 3. 其他修复(基于 Codex review) - gateway_service.go:691: 修复 io.ReadAll 错误处理 - gateway_service.go:687: 条件日志(尊重 LogUpstreamErrorBody 配置) - gateway_service.go:915: 收紧 400 failover 启发式 - request_transformer.go:188: 移除签名成功日志 4. 新增功能(默认关闭) - 阶段 1: 上游错误日志(GATEWAY_LOG_UPSTREAM_ERROR_BODY) - 阶段 2: Antigravity thinking 修复 - 阶段 3: API-key beta 注入(GATEWAY_INJECT_BETA_FOR_APIKEY) - 阶段 3: 智能 400 failover(GATEWAY_FAILOVER_ON_400) 测试:所有测试通过 * fix(lint): 修复 golangci-lint 问题 - 应用 De Morgan 定律简化条件判断 - 修复 gofmt 格式问题 - 移除未使用的 min 函数
This commit is contained in:
@@ -7,6 +7,7 @@ import (
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"fmt"
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"io"
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"net/http"
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"regexp"
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"strconv"
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"strings"
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"time"
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@@ -163,6 +164,45 @@ type GeminiTokenInfo struct {
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Scope string `json:"scope,omitempty"`
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ProjectID string `json:"project_id,omitempty"`
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OAuthType string `json:"oauth_type,omitempty"` // "code_assist" 或 "ai_studio"
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TierID string `json:"tier_id,omitempty"` // Gemini Code Assist tier: LEGACY/PRO/ULTRA
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}
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// validateTierID validates tier_id format and length
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func validateTierID(tierID string) error {
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if tierID == "" {
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return nil // Empty is allowed
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}
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if len(tierID) > 64 {
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return fmt.Errorf("tier_id exceeds maximum length of 64 characters")
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}
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// Allow alphanumeric, underscore, hyphen, and slash (for tier paths)
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if !regexp.MustCompile(`^[a-zA-Z0-9_/-]+$`).MatchString(tierID) {
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return fmt.Errorf("tier_id contains invalid characters")
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}
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return nil
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}
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// extractTierIDFromAllowedTiers extracts tierID from LoadCodeAssist response
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// Prioritizes IsDefault tier, falls back to first non-empty tier
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func extractTierIDFromAllowedTiers(allowedTiers []geminicli.AllowedTier) string {
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tierID := "LEGACY"
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// First pass: look for default tier
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for _, tier := range allowedTiers {
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if tier.IsDefault && strings.TrimSpace(tier.ID) != "" {
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tierID = strings.TrimSpace(tier.ID)
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break
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}
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}
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// Second pass: if still LEGACY, take first non-empty tier
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if tierID == "LEGACY" {
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for _, tier := range allowedTiers {
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if strings.TrimSpace(tier.ID) != "" {
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tierID = strings.TrimSpace(tier.ID)
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break
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}
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}
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}
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return tierID
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}
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func (s *GeminiOAuthService) ExchangeCode(ctx context.Context, input *GeminiExchangeCodeInput) (*GeminiTokenInfo, error) {
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@@ -223,13 +263,14 @@ func (s *GeminiOAuthService) ExchangeCode(ctx context.Context, input *GeminiExch
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expiresAt := time.Now().Unix() + tokenResp.ExpiresIn - 300
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projectID := sessionProjectID
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var tierID string
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// 对于 code_assist 模式,project_id 是必需的
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// 对于 ai_studio 模式,project_id 是可选的(不影响使用 AI Studio API)
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if oauthType == "code_assist" {
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if projectID == "" {
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var err error
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projectID, err = s.fetchProjectID(ctx, tokenResp.AccessToken, proxyURL)
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projectID, tierID, err = s.fetchProjectID(ctx, tokenResp.AccessToken, proxyURL)
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if err != nil {
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// 记录警告但不阻断流程,允许后续补充 project_id
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fmt.Printf("[GeminiOAuth] Warning: Failed to fetch project_id during token exchange: %v\n", err)
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@@ -248,6 +289,7 @@ func (s *GeminiOAuthService) ExchangeCode(ctx context.Context, input *GeminiExch
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ExpiresAt: expiresAt,
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Scope: tokenResp.Scope,
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ProjectID: projectID,
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TierID: tierID,
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OAuthType: oauthType,
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}, nil
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}
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@@ -357,7 +399,7 @@ func (s *GeminiOAuthService) RefreshAccountToken(ctx context.Context, account *A
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// For Code Assist, project_id is required. Auto-detect if missing.
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// For AI Studio OAuth, project_id is optional and should not block refresh.
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if oauthType == "code_assist" && strings.TrimSpace(tokenInfo.ProjectID) == "" {
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projectID, err := s.fetchProjectID(ctx, tokenInfo.AccessToken, proxyURL)
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projectID, tierID, err := s.fetchProjectID(ctx, tokenInfo.AccessToken, proxyURL)
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if err != nil {
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return nil, fmt.Errorf("failed to auto-detect project_id: %w", err)
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}
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@@ -366,6 +408,7 @@ func (s *GeminiOAuthService) RefreshAccountToken(ctx context.Context, account *A
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return nil, fmt.Errorf("failed to auto-detect project_id: empty result")
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}
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tokenInfo.ProjectID = projectID
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tokenInfo.TierID = tierID
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}
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return tokenInfo, nil
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@@ -388,6 +431,13 @@ func (s *GeminiOAuthService) BuildAccountCredentials(tokenInfo *GeminiTokenInfo)
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if tokenInfo.ProjectID != "" {
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creds["project_id"] = tokenInfo.ProjectID
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}
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if tokenInfo.TierID != "" {
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// Validate tier_id before storing
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if err := validateTierID(tokenInfo.TierID); err == nil {
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creds["tier_id"] = tokenInfo.TierID
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}
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// Silently skip invalid tier_id (don't block account creation)
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}
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if tokenInfo.OAuthType != "" {
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creds["oauth_type"] = tokenInfo.OAuthType
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}
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@@ -398,34 +448,26 @@ func (s *GeminiOAuthService) Stop() {
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s.sessionStore.Stop()
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}
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func (s *GeminiOAuthService) fetchProjectID(ctx context.Context, accessToken, proxyURL string) (string, error) {
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func (s *GeminiOAuthService) fetchProjectID(ctx context.Context, accessToken, proxyURL string) (string, string, error) {
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if s.codeAssist == nil {
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return "", errors.New("code assist client not configured")
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return "", "", errors.New("code assist client not configured")
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}
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loadResp, loadErr := s.codeAssist.LoadCodeAssist(ctx, accessToken, proxyURL, nil)
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// Extract tierID from response (works whether CloudAICompanionProject is set or not)
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tierID := "LEGACY"
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if loadResp != nil {
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tierID = extractTierIDFromAllowedTiers(loadResp.AllowedTiers)
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}
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// If LoadCodeAssist returned a project, use it
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if loadErr == nil && loadResp != nil && strings.TrimSpace(loadResp.CloudAICompanionProject) != "" {
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return strings.TrimSpace(loadResp.CloudAICompanionProject), nil
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return strings.TrimSpace(loadResp.CloudAICompanionProject), tierID, nil
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}
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// Pick tier from allowedTiers; if no default tier is marked, pick the first non-empty tier ID.
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tierID := "LEGACY"
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if loadResp != nil {
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for _, tier := range loadResp.AllowedTiers {
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if tier.IsDefault && strings.TrimSpace(tier.ID) != "" {
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tierID = strings.TrimSpace(tier.ID)
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break
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}
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}
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if strings.TrimSpace(tierID) == "" || tierID == "LEGACY" {
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for _, tier := range loadResp.AllowedTiers {
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if strings.TrimSpace(tier.ID) != "" {
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tierID = strings.TrimSpace(tier.ID)
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break
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}
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}
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}
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}
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// (tierID already extracted above, reuse it)
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req := &geminicli.OnboardUserRequest{
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TierID: tierID,
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@@ -443,39 +485,39 @@ func (s *GeminiOAuthService) fetchProjectID(ctx context.Context, accessToken, pr
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// If Code Assist onboarding fails (e.g. INVALID_ARGUMENT), fallback to Cloud Resource Manager projects.
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fallback, fbErr := fetchProjectIDFromResourceManager(ctx, accessToken, proxyURL)
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if fbErr == nil && strings.TrimSpace(fallback) != "" {
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return strings.TrimSpace(fallback), nil
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return strings.TrimSpace(fallback), tierID, nil
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}
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return "", err
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return "", "", err
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}
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if resp.Done {
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if resp.Response != nil && resp.Response.CloudAICompanionProject != nil {
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switch v := resp.Response.CloudAICompanionProject.(type) {
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case string:
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return strings.TrimSpace(v), nil
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return strings.TrimSpace(v), tierID, nil
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case map[string]any:
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if id, ok := v["id"].(string); ok {
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return strings.TrimSpace(id), nil
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return strings.TrimSpace(id), tierID, nil
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}
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}
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}
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fallback, fbErr := fetchProjectIDFromResourceManager(ctx, accessToken, proxyURL)
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if fbErr == nil && strings.TrimSpace(fallback) != "" {
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return strings.TrimSpace(fallback), nil
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return strings.TrimSpace(fallback), tierID, nil
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}
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return "", errors.New("onboardUser completed but no project_id returned")
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return "", "", errors.New("onboardUser completed but no project_id returned")
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}
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time.Sleep(2 * time.Second)
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}
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fallback, fbErr := fetchProjectIDFromResourceManager(ctx, accessToken, proxyURL)
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if fbErr == nil && strings.TrimSpace(fallback) != "" {
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return strings.TrimSpace(fallback), nil
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return strings.TrimSpace(fallback), tierID, nil
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}
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if loadErr != nil {
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return "", fmt.Errorf("loadCodeAssist failed (%v) and onboardUser timeout after %d attempts", loadErr, maxAttempts)
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return "", "", fmt.Errorf("loadCodeAssist failed (%v) and onboardUser timeout after %d attempts", loadErr, maxAttempts)
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}
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return "", fmt.Errorf("onboardUser timeout after %d attempts", maxAttempts)
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return "", "", fmt.Errorf("onboardUser timeout after %d attempts", maxAttempts)
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}
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type googleCloudProject struct {
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