Add projects

backend/internal/client/grokbuild/grokbuild.go

@@ -0,0 +1,78 @@
+package grokbuild
+
+import "strings"
+
+// ModelInfo represents input model information to be formatted.
+type ModelInfo struct {
+	ID              string
+	DisplayName     string
+	ContextLength   int
+	ReasoningLevels []string
+}
+
+// ReasoningEffort represents reasoning effort level in Grok Shell model entries.
+type ReasoningEffort struct {
+	Value string `json:"value"`
+}
+
+// ModelEntry represents a single model entry formatted for Grok Shell.
+type ModelEntry struct {
+	ID               string            `json:"id"`
+	Model            string            `json:"model"`
+	Name             string            `json:"name"`
+	ContextWindow    int               `json:"context_window,omitempty"`
+	APIBackend       string            `json:"api_backend"`
+	SupportedInAPI   bool              `json:"supported_in_api"`
+	ReasoningEfforts []ReasoningEffort `json:"reasoning_efforts,omitempty"`
+}
+
+// Response represents the model list response envelope formatted for Grok Shell.
+type Response struct {
+	Object string       `json:"object"`
+	Data   []ModelEntry `json:"data"`
+}
+
+// IsGrokShellUserAgent checks if the User-Agent header indicates a Grok Shell client.
+func IsGrokShellUserAgent(userAgent string) bool {
+	return strings.Contains(strings.ToLower(userAgent), "grok-shell")
+}
+
+// BuildResponse constructs the Grok Shell formatted model list response.
+func BuildResponse(models []ModelInfo) Response {
+	entries := make([]ModelEntry, 0, len(models))
+
+	for _, m := range models {
+		name := m.DisplayName
+		if name == "" {
+			name = m.ID
+		}
+
+		var efforts []ReasoningEffort
+		for _, level := range m.ReasoningLevels {
+			trimmed := strings.TrimSpace(level)
+			if trimmed != "" {
+				efforts = append(efforts, ReasoningEffort{Value: trimmed})
+			}
+		}
+
+		entry := ModelEntry{
+			ID:               m.ID,
+			Model:            m.ID,
+			Name:             name,
+			APIBackend:       "responses",
+			SupportedInAPI:   true,
+			ReasoningEfforts: efforts,
+		}
+
+		if m.ContextLength > 0 {
+			entry.ContextWindow = m.ContextLength
+		}
+
+		entries = append(entries, entry)
+	}
+
+	return Response{
+		Object: "list",
+		Data:   entries,
+	}
+}