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/provider/custom/client.go

@@ -0,0 +1,16 @@
+package custom
+
+import (
+	"github.com/rose_cat707/luminary/internal/provider/openai"
+)
+
+// Custom providers use OpenAI-compatible API at a custom base URL.
+type Client struct {
+	*openai.Client
+}
+
+func New() *Client {
+	return &Client{Client: openai.New()}
+}
+
+func (c *Client) Type() string { return "custom" }