Changeset 0.5.0 (#35)

server/providers/provider.go

@@ -27,9 +27,10 @@ type Provider interface {
 // ProviderConfig holds credentials and endpoint for a configured provider.
 // Populated from the api_configs table at call time.
 type ProviderConfig struct {
-	Endpoint string
-	APIKey   string
-	Extra    map[string]interface{} // Provider-specific settings from config JSONB
+	Endpoint       string
+	APIKey         string
+	CustomHeaders  map[string]string      // Extra HTTP headers (e.g. OpenRouter HTTP-Referer)
+	Settings       map[string]interface{} // Provider-specific settings from provider_settings JSONB
 }
 
 // ── Request / Response Types ────────────────
@@ -77,9 +78,17 @@ type StreamEvent struct {
 	Error error `json:"-"`
 }
 
-// Model represents an available model from a provider.
+// Model represents an available model from a provider, with capabilities.
 type Model struct {
-	ID      string `json:"id"`
-	Name    string `json:"name,omitempty"`
-	OwnedBy string `json:"owned_by,omitempty"`
+	ID           string            `json:"id"`
+	Name         string            `json:"name,omitempty"`
+	OwnedBy      string            `json:"owned_by,omitempty"`
+	Capabilities ModelCapabilities `json:"capabilities"`
+	Pricing      *ModelPricing     `json:"pricing,omitempty"`
+}
+
+// ModelPricing holds per-million-token costs.
+type ModelPricing struct {
+	InputPerM  float64 `json:"input_per_m,omitempty"`
+	OutputPerM float64 `json:"output_per_m,omitempty"`
 }