Add Gitea Actions CI and release workflows and deployment assets

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>

cmd/bamboo/main.go

@@ -13,6 +13,9 @@ import (
 	"git.veillax.com/Veillax/reef/dotenv"
 )
 
+// version is set at build time (deploy/build.sh).
+var version = "dev"
+
 func env(k, def string) string {
 	if v := os.Getenv(k); v != "" {
 		return v
@@ -31,11 +34,17 @@ func main() {
 	data := flag.String("data", env("BAMBOO_DATA", "./bamboo-data"), "directory for this agent's WireGuard key")
 	dockerOn := flag.Bool("docker", os.Getenv("BAMBOO_DOCKER") == "1", "report local Docker containers so they can be picked as targets in the UI")
 	flag.String("env", ".env", "file to read secrets and settings from")
+	showVersion := flag.Bool("version", false, "print the version and exit")
 	flag.Parse()
+	if *showVersion {
+		os.Stdout.WriteString("bamboo " + version + "\n")
+		return
+	}
 	if *hh == "" || *token == "" {
 		flag.Usage()
 		os.Exit(2)
 	}
+	log.Printf("bamboo %s starting", version)
 	ctx, stop := signal.NotifyContext(context.Background(), os.Interrupt)
 	defer stop()
 	b, err := bamboo.New(bamboo.Config{Hammerhead: strings.TrimRight(*hh, "/"), Token: *token, DataDir: *data, Docker: *dockerOn})