fix: Showing beam heading on map even if no call is entered

internal/applog/applog.go

@@ -11,14 +11,16 @@ import (
 	"log"
 	"os"
 	"path/filepath"
+	"runtime/debug"
 	"sync"
 	"time"
 )
 
 var (
-	mu     sync.Mutex
-	file   *os.File
-	path   string
+	mu        sync.Mutex
+	file      *os.File
+	path      string
+	crashFile *os.File // kept open so the runtime can write a crash traceback to it
 )
 
 // Init opens (creates) the log file in dataDir. On rotation we truncate
@@ -57,6 +59,17 @@ func Init(dataDir string) (string, error) {
 	file = f
 	path = logPath
 
+	// Capture a full traceback on a FATAL crash (a Go panic that escapes our
+	// recover()s, or a runtime-fatal error like a concurrent map write, or a
+	// Windows access violation routed through the Go signal handler) into a
+	// dedicated file the runtime writes directly — so otherwise-silent process
+	// deaths leave a stack we can read.
+	if cf, cerr := os.OpenFile(filepath.Join(dataDir, "opslog-crash.log"),
+		os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0o644); cerr == nil {
+		crashFile = cf
+		_ = debug.SetCrashOutput(cf, debug.CrashOptions{})
+	}
+
 	// Redirect log.Print* and the standard logger to the file too, so
 	// any third-party output stays consistent.
 	log.SetOutput(io.MultiWriter(file, os.Stderr))

internal/qso/qso.go

@@ -1621,8 +1621,9 @@ func scanAwardQSO(s scanner) (QSO, error) {
 // NEW / NEW SLOT / WORKED in constant time after one batched query.
 type EntitySlot struct {
 	Country string
-	Bands   map[string]struct{}                // bands worked, any mode
-	Slots   map[string]map[string]struct{}     // band → modes worked
+	Bands   map[string]struct{}            // bands worked, any mode
+	Modes   map[string]struct{}            // modes worked, any band
+	Slots   map[string]map[string]struct{} // band → modes worked
 }
 
 // EntitySlotMap returns slot data for every QSO, grouped by DXCC entity NUMBER.
@@ -1667,11 +1668,13 @@ func (r *Repo) EntitySlotMap(ctx context.Context, keyFor func(call string, store
 			e = &EntitySlot{
 				Country: country,
 				Bands:   make(map[string]struct{}),
+				Modes:   make(map[string]struct{}),
 				Slots:   make(map[string]map[string]struct{}),
 			}
 			out[key] = e
 		}
 		e.Bands[band] = struct{}{}
+		e.Modes[mode] = struct{}{}
 		bandSlots, ok := e.Slots[band]
 		if !ok {
 			bandSlots = make(map[string]struct{})