Switch the lab reflector to jayReflector and harden local station use.

Build DJ1JAY’s fork with an optional Satellite/Trunk stub, allow -c/--config, open capture and playback as separate devices, and add a lab start helper.

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

config_path_test.go

@@ -0,0 +1,124 @@
+//go:build !bindings
+
+package main
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+
+)
+
+func TestResolveConfigPathDefaultIsHome(t *testing.T) {
+	got, err := resolveConfigPath(nil)
+	if err != nil {
+		t.Fatal(err)
+	}
+	home, err := os.UserHomeDir()
+	if err != nil {
+		t.Fatal(err)
+	}
+	want := filepath.Join(home, ".funknetz.json")
+	if got != want {
+		t.Fatalf("resolveConfigPath(nil) = %q, want %q", got, want)
+	}
+}
+
+func TestResolveConfigPathLongAndShort(t *testing.T) {
+	dir := t.TempDir()
+	abs := filepath.Join(dir, "lab.json")
+
+	got, err := resolveConfigPath([]string{"--config", abs})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got != abs {
+		t.Fatalf("--config = %q, want %q", got, abs)
+	}
+
+	got, err = resolveConfigPath([]string{"-c", abs})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got != abs {
+		t.Fatalf("-c = %q, want %q", got, abs)
+	}
+}
+
+func TestResolveConfigPathRelativeBecomesAbsolute(t *testing.T) {
+	dir := t.TempDir()
+	cwd, err := os.Getwd()
+	if err != nil {
+		t.Fatal(err)
+	}
+	t.Cleanup(func() { _ = os.Chdir(cwd) })
+	if err := os.Chdir(dir); err != nil {
+		t.Fatal(err)
+	}
+
+	got, err := resolveConfigPath([]string{"-c", "./funknetz.json"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	want, err := filepath.EvalSymlinks(filepath.Join(dir, "funknetz.json"))
+	if err != nil {
+		// File need not exist; resolve the directory and join.
+		base, err := filepath.EvalSymlinks(dir)
+		if err != nil {
+			t.Fatal(err)
+		}
+		want = filepath.Join(base, "funknetz.json")
+	}
+	gotEval, err := filepath.EvalSymlinks(filepath.Dir(got))
+	if err != nil {
+		t.Fatal(err)
+	}
+	got = filepath.Join(gotEval, filepath.Base(got))
+	if got != want {
+		t.Fatalf("relative -c = %q, want %q", got, want)
+	}
+}
+
+func TestOpenStationUsesResolvedPath(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "custom.json")
+
+	_, err := openStation([]string{"-c", path})
+	if err == nil {
+		t.Fatal("openStation() error = nil, want rejection after creating the file")
+	}
+	if !strings.Contains(err.Error(), "created") {
+		t.Fatalf("openStation() error = %q, want it to say the file was created", err.Error())
+	}
+
+	info, err := os.Stat(path)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if got, want := info.Mode().Perm(), os.FileMode(0o600); got != want {
+		t.Fatalf("mode = %o, want %o", got, want)
+	}
+
+	// Same rules as the home file: a second open with a filled config works.
+	body := `{
+  "host": "127.0.0.1",
+  "port": 5300,
+  "callsign": "DL0FN-1",
+  "authKey": "local-lab-secret-change-me",
+  "talkGroup": 9,
+  "enableLogging": false,
+  "logFile": "` + filepath.Join(dir, "funknetz.log") + `"
+}
+`
+	if err := os.WriteFile(path, []byte(body), 0o600); err != nil {
+		t.Fatal(err)
+	}
+	st, err := openStation([]string{"--config", path})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if st.State().Callsign != "DL0FN-1" {
+		t.Fatalf("callsign = %q, want DL0FN-1", st.State().Callsign)
+	}
+}