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feat(claude): add API format selector for third-party providers

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Replace the OpenRouter-specific compatibility toggle with a generic
API format selector that allows all Claude providers to choose between:

- Anthropic Messages (native): Direct passthrough, no conversion
- OpenAI Chat Completions: Enables Anthropic ↔ OpenAI format conversion

Changes:
- Add ClaudeApiFormat type ("anthropic" | "openai_chat") to types.ts
- Replace openRouterCompatToggle with apiFormat dropdown in ClaudeFormFields
- Update ProviderForm to manage apiFormat state via settingsConfig.api_format
- Refactor claude.rs: add get_api_format() method, update needs_transform()
- Maintain backward compatibility with legacy openrouter_compat_mode field
- Update i18n translations (zh, en, ja)
This commit is contained in:
Jason
2026-01-27 08:38:37 +08:00
parent e44423c307
commit 81b975c47c
7 changed files with 148 additions and 93 deletions
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99
src-tauri/src/proxy/providers/claude.rs
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@@ -1,11 +1,15 @@
//! Claude (Anthropic) Provider Adapter
//!
//! 支持透传模式和 OpenRouter 兼容模式
//! 支持透传模式和 OpenAI Chat Completions 格式转换模式
//!
//! ## API 格式
//! - **anthropic** (默认): Anthropic Messages API 格式，直接透传
//! - **openai_chat**: OpenAI Chat Completions 格式，需要 Anthropic ↔ OpenAI 转换
//!
//! ## 认证模式
//! - **Claude**: Anthropic 官方 API (x-api-key + anthropic-version)
//! - **ClaudeAuth**: 中转服务 (仅 Bearer 认证，无 x-api-key)
//! - **OpenRouter**: 已支持 Claude Code 兼容接口，默认透传（保留旧转换逻辑备用）
//! - **OpenRouter**: 已支持 Claude Code 兼容接口，默认透传
use super::{AuthInfo, AuthStrategy, ProviderAdapter, ProviderType};
use crate::provider::Provider;
@@ -48,23 +52,44 @@ impl ClaudeAdapter {
false
}
/// 检测 OpenRouter 是否启用兼容模式
fn is_openrouter_compat_enabled(&self, provider: &Provider) -> bool {
if !self.is_openrouter(provider) {
return false;
/// 获取 API 格式
///
/// 从 settings_config.api_format 读取格式设置：
/// - "anthropic" (默认): Anthropic Messages API 格式，直接透传
/// - "openai_chat": OpenAI Chat Completions 格式，需要格式转换
///
/// 为了向后兼容，如果存在旧的 openrouter_compat_mode=true，也会启用 openai_chat 格式
fn get_api_format(&self, provider: &Provider) -> &'static str {
// 1. 首先检查新的 api_format 字段
if let Some(api_format) = provider
.settings_config
.get("api_format")
.and_then(|v| v.as_str())
{
return match api_format {
"openai_chat" => "openai_chat",
_ => "anthropic",
};
}
// 2. 向后兼容：检查旧的 openrouter_compat_mode 字段
let raw = provider.settings_config.get("openrouter_compat_mode");
match raw {
let is_compat_enabled = match raw {
Some(serde_json::Value::Bool(enabled)) => *enabled,
Some(serde_json::Value::Number(num)) => num.as_i64().unwrap_or(0) != 0,
Some(serde_json::Value::String(value)) => {
let normalized = value.trim().to_lowercase();
normalized == "true" || normalized == "1"
}
// OpenRouter now supports Claude Code compatible API, default to passthrough
_ => false,
};
if is_compat_enabled {
return "openai_chat";
}
// 3. 默认使用 Anthropic 原生格式
"anthropic"
}
/// 检测是否为仅 Bearer 认证模式
@@ -253,13 +278,11 @@ impl ProviderAdapter for ClaudeAdapter {
}
}
fn needs_transform(&self, _provider: &Provider) -> bool {
// NOTE:
// OpenRouter 已推出 Claude Code 兼容接口（可直接处理 `/v1/messages`），默认不再启用
// Anthropic ↔ OpenAI 的格式转换。
//
// 如果未来需要回退到旧的 OpenAI Chat Completions 方案，可恢复下面这行：
self.is_openrouter_compat_enabled(_provider)
fn needs_transform(&self, provider: &Provider) -> bool {
// 根据 api_format 配置决定是否需要格式转换
// - "anthropic" (默认): 直接透传，无需转换
// - "openai_chat": 需要 Anthropic ↔ OpenAI 格式转换
self.get_api_format(provider) == "openai_chat"
}
fn transform_request(
@@ -459,6 +482,7 @@ mod tests {
fn test_needs_transform() {
let adapter = ClaudeAdapter::new();
// Default: no transform (anthropic format)
let anthropic_provider = create_provider(json!({
"env": {
"ANTHROPIC_BASE_URL": "https://api.anthropic.com"
@@ -466,29 +490,50 @@ mod tests {
}));
assert!(!adapter.needs_transform(&anthropic_provider));
// OpenRouter provider without explicit setting now defaults to passthrough (no transform)
let openrouter_provider = create_provider(json!({
// Explicit anthropic format: no transform
let explicit_anthropic = create_provider(json!({
"env": {
"ANTHROPIC_BASE_URL": "https://openrouter.ai/api"
}
"ANTHROPIC_BASE_URL": "https://api.example.com"
},
"api_format": "anthropic"
}));
assert!(!adapter.needs_transform(&openrouter_provider));
assert!(!adapter.needs_transform(&explicit_anthropic));
// OpenRouter provider with explicit compat mode enabled should transform
let openrouter_enabled = create_provider(json!({
// OpenAI Chat format: needs transform
let openai_chat_provider = create_provider(json!({
"env": {
"ANTHROPIC_BASE_URL": "https://openrouter.ai/api"
"ANTHROPIC_BASE_URL": "https://api.example.com"
},
"api_format": "openai_chat"
}));
assert!(adapter.needs_transform(&openai_chat_provider));
// Backward compatibility: openrouter_compat_mode=true should enable transform
let legacy_compat_enabled = create_provider(json!({
"env": {
"ANTHROPIC_BASE_URL": "https://api.example.com"
},
"openrouter_compat_mode": true
}));
assert!(adapter.needs_transform(&openrouter_enabled));
assert!(adapter.needs_transform(&legacy_compat_enabled));
let openrouter_disabled = create_provider(json!({
// Backward compatibility: openrouter_compat_mode=false should not enable transform
let legacy_compat_disabled = create_provider(json!({
"env": {
"ANTHROPIC_BASE_URL": "https://openrouter.ai/api"
"ANTHROPIC_BASE_URL": "https://api.example.com"
},
"openrouter_compat_mode": false
}));
assert!(!adapter.needs_transform(&openrouter_disabled));
assert!(!adapter.needs_transform(&legacy_compat_disabled));
// api_format takes precedence over openrouter_compat_mode
let format_precedence = create_provider(json!({
"env": {
"ANTHROPIC_BASE_URL": "https://api.example.com"
},
"api_format": "anthropic",
"openrouter_compat_mode": true
}));
assert!(!adapter.needs_transform(&format_precedence));
}
}