Initial commit: Luminary AI Gateway

OpenAI-compatible AI gateway with Vue admin UI, multi-provider egress,
ingress key governance, monitoring, and security controls.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/handler/admin/helpers.go

@@ -0,0 +1,29 @@
+package admin
+
+import (
+	"fmt"
+	"strconv"
+	"github.com/rose_cat707/luminary/internal/model"
+	"github.com/rose_cat707/luminary/internal/provider"
+	"github.com/rose_cat707/luminary/internal/provider/anthropic"
+	"github.com/rose_cat707/luminary/internal/provider/custom"
+	"github.com/rose_cat707/luminary/internal/provider/openai"
+)
+
+func parseUint(s string) uint {
+	v, _ := strconv.ParseUint(s, 10, 64)
+	return uint(v)
+}
+
+func (h *Handler) gatewayClient(t model.ProviderType) (provider.Client, error) {
+	switch t {
+	case model.ProviderOpenAI, model.ProviderAzureOpenAI, model.ProviderOpenRouter, model.ProviderOllama:
+		return openai.New(), nil
+	case model.ProviderAnthropic:
+		return anthropic.New(), nil
+	case model.ProviderCustom:
+		return custom.New(), nil
+	default:
+		return nil, fmt.Errorf("unsupported provider type: %s", t)
+	}
+}