From a58afd061db45678fcf299c3d42f80656ce7e225 Mon Sep 17 00:00:00 2001 From: Paul Buetow Date: Tue, 19 Aug 2025 21:28:11 +0300 Subject: llm/copilot: add required headers and update default model\n\n- Send X-GitHub-Api-Version and User-Agent headers for Copilot requests\n- Default Copilot model to gpt-4o-mini (avoid non-existent 'codex'/'gpt-4.1')\n- README and config.json.example: update Copilot defaults and guidance\n\nNote: Copilot provider expects Copilot-issued auth; for public access use GitHub Models via OpenAI-compatible endpoint. --- internal/llm/copilot.go | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) (limited to 'internal') diff --git a/internal/llm/copilot.go b/internal/llm/copilot.go index 1c9f60d..6ab3a0d 100644 --- a/internal/llm/copilot.go +++ b/internal/llm/copilot.go @@ -11,6 +11,7 @@ import ( "strings" "time" + appver "hexai/internal" "hexai/internal/logging" ) @@ -60,7 +61,9 @@ func newCopilot(baseURL, model, apiKey string, defaultTemp *float64) Client { baseURL = "https://api.githubcopilot.com" } if strings.TrimSpace(model) == "" { - model = "gpt-4.1" + // GitHub Models (Copilot API) commonly supports gpt-4o/gpt-4o-mini. + // Default to a broadly available, cost-effective option. + model = "gpt-4o-mini" } return copilotClient{ httpClient: &http.Client{Timeout: 30 * time.Second}, @@ -155,6 +158,10 @@ func (c copilotClient) doJSON(ctx context.Context, url string, body []byte, head return nil, err } req.Header.Set("Content-Type", "application/json") + // GitHub Copilot (GitHub Models) requires an API version header and a UA. + req.Header.Set("Accept", "application/json") + req.Header.Set("X-GitHub-Api-Version", "2023-07-07") + req.Header.Set("User-Agent", "hexai/"+appver.Version) for k, v := range headers { req.Header.Set(k, v) } -- cgit v1.2.3