fix: use runtime/debug.BuildInfo for version when installed via go install

go install @tag now correctly reports the tag version instead of "dev".
ldflags override still works for goreleaser/CI builds.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: intel352

cmd/wfctl/main.go

@@ -9,6 +9,7 @@ import (
 	"log/slog"
 	"os"
 	"os/signal"
+	"runtime/debug"
 	"strings"
 	"syscall"
 	"time"
@@ -27,7 +28,14 @@ import (
 //go:embed wfctl.yaml
 var wfctlConfigBytes []byte
 
-var version = "dev"
+var version = buildVersion()
+
+func buildVersion() string {
+	if info, ok := debug.ReadBuildInfo(); ok && info.Main.Version != "" && info.Main.Version != "(devel)" {
+		return info.Main.Version
+	}
+	return "dev"
+}
 
 // isHelpRequested reports whether the error originated from the user
 // requesting help (--help / -h). flag.ErrHelp propagates through the

cmd/workflow-lsp-server/main.go

@@ -6,11 +6,19 @@ import (
 	"flag"
 	"fmt"
 	"os"
+	"runtime/debug"
 
 	"github.com/GoCodeAlone/workflow/lsp"
 )
 
-var version = "dev"
+var version = buildVersion()
+
+func buildVersion() string {
+	if info, ok := debug.ReadBuildInfo(); ok && info.Main.Version != "" && info.Main.Version != "(devel)" {
+		return info.Main.Version
+	}
+	return "dev"
+}
 
 func main() {
 	showVersion := flag.Bool("version", false, "Print version and exit")