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feat: support Anthropic OAuth setup-tokens (sk-ant-oat) #51

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feat: support Anthropic OAuth setup-tokens (sk-ant-oat) #51

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20 changes: 17 additions & 3 deletions src/llm/model.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -338,13 +338,27 @@ impl SpacebotModel {
body["tools"] = serde_json::json!(tools);
}

let response = self
// Detect OAuth setup-tokens (sk-ant-oat...) vs regular API keys.
// OAuth tokens require Bearer auth + Claude Code beta headers instead of x-api-key.
let is_oauth = api_key.contains("sk-ant-oat");
let claude_code_version = "0.2.116";
let mut req = self
.llm_manager
.http_client()
.post("https://api.anthropic.com/v1/messages")
.header("x-api-key", &api_key)
.header("anthropic-version", "2023-06-01")
.header("content-type", "application/json")
.header("content-type", "application/json");
if is_oauth {
req = req
.header("Authorization", format!("Bearer {}", &api_key))
.header("anthropic-beta", "claude-code-20250219,oauth-2025-04-20")
.header("anthropic-dangerous-direct-browser-access", "true")
.header("user-agent", format!("claude-cli/{} (external, cli)", claude_code_version))
.header("x-app", "cli");
} else {
req = req.header("x-api-key", &api_key);
}
let response = req
.json(&body)
.send()
.await
Expand Down