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feat(proxy): add ChatCompletions compatibility mode for Claude adapter

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- Add ChatCompletions provider type for generic OpenAI-compatible endpoints
- Implement chat_completions_mode detection in Claude adapter
- Fix endpoint duplication when base_url already contains chat/completions
- Improve Anthropic SSE format conversion with complete message_start event
- Add ChatCompletions preset configuration
This commit is contained in:
YoVinchen
2026-01-20 17:54:46 +08:00
parent 4eb983c58f
commit eef328d2a4
5 changed files with 71 additions and 21 deletions
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src-tauri/src/proxy/providers/streaming.rs
+13 -8
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@@ -115,16 +115,22 @@ pub fn create_anthropic_sse_stream(
if let Some(choice) = chunk.choices.first() {
if !has_sent_message_start {
// 构建完整的 message_start 事件，与原生 Anthropic 格式一致
let event = json!({
"type": "message_start",
"message": {
"id": message_id.clone().unwrap_or_default(),
"type": "message",
"role": "assistant",
"content": [],
"model": current_model.clone().unwrap_or_default(),
"stop_reason": null,
"stop_sequence": null,
"usage": {
"input_tokens": 0,
"output_tokens": 0
"input_tokens": chunk.usage.as_ref().map(|u| u.prompt_tokens).unwrap_or(1),
"output_tokens": 0,
"cache_creation_input_tokens": 0,
"cache_read_input_tokens": 0
}
}
});
@@ -272,18 +278,17 @@ pub fn create_anthropic_sse_stream(
}
let stop_reason = map_stop_reason(Some(finish_reason));
// 构建 usage 信息，包含 input_tokens 和 output_tokens
let usage_json = chunk.usage.as_ref().map(|u| json!({
"input_tokens": u.prompt_tokens,
"output_tokens": u.completion_tokens
}));
// 构建 usage 信息，Anthropic 格式只需要 output_tokens
let output_tokens = chunk.usage.as_ref().map(|u| u.completion_tokens).unwrap_or(0);
let event = json!({
"type": "message_delta",
"delta": {
"stop_reason": stop_reason,
"stop_sequence": null
},
"usage": usage_json
"usage": {
"output_tokens": output_tokens
}
});
let sse_data = format!("event: message_delta\ndata: {}\n\n",
serde_json::to_string(&event).unwrap_or_default());