add entry point, context and util

cmd/context.go

@@ -0,0 +1,20 @@
+package cmd
+
+import (
+	"context"
+
+	"github.com/onyx-and-iris/xair-cli/internal/xair"
+)
+
+type clientKey string
+
+func WithContext(ctx context.Context, client *xair.XAirClient) context.Context {
+	return context.WithValue(ctx, clientKey("oscClient"), client)
+}
+
+func ClientFromContext(ctx context.Context) *xair.XAirClient {
+	if client, ok := ctx.Value(clientKey("oscClient")).(*xair.XAirClient); ok {
+		return client
+	}
+	return nil
+}

cmd/util.go

@@ -0,0 +1,13 @@
+package cmd
+
+import (
+	"strconv"
+)
+
+func mustConv(levelStr string) float64 {
+	level, err := strconv.ParseFloat(levelStr, 64)
+	if err != nil {
+		panic(err)
+	}
+	return level
+}

main.go

@@ -0,0 +1,10 @@
+/*
+Copyright © 2026 onyx-and-iris <code@onyxandiris.online>
+*/
+package main
+
+import "github.com/onyx-and-iris/xair-cli/cmd"
+
+func main() {
+	cmd.Execute()
+}