feat(notifyctl): add reload, re-reading the config file

The daemon also reads the file at start. Armed timers keep their lifetime;
the next notification gets the new default.

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

3 files changed, 21 insertions, 0 deletions

diff --git a/cmd/notifyctl/main.go b/cmd/notifyctl/main.go
index e0875e7..6de678e 100644
--- a/cmd/notifyctl/main.go
+++ b/cmd/notifyctl/main.go
@@ -30,6 +30,7 @@ func usage() {
   close-all            dismiss every notification
   action <id> <key>    invoke an action on a live notification
   clear-history        empty the history ring
+  reload               re-read ~/.config/notifyd/config.json
 `, filepath.Base(os.Args[0]))
 	os.Exit(2)
 }
@@ -69,6 +70,8 @@ func main() {
 		callControl("InvokeAction", id, os.Args[3])
 	case "clear-history":
 		callControl("ClearHistory")
+	case "reload":
+		callControl("Reload")
 	default:
 		usage()
 	}
diff --git a/internal/notify/control.go b/internal/notify/control.go
index a42a14b..85c4d74 100644
--- a/internal/notify/control.go
+++ b/internal/notify/control.go
@@ -53,3 +53,10 @@ func (c *control) ClearHistory() *dbus.Error {
 	c.svc.store.ClearHistory()
 	return nil
 }
+
+// Reload re-reads ~/.config/notifyd/config.json. The settings page calls it
+// after a save; a bad file is logged and read as defaults, never an error.
+func (c *control) Reload() *dbus.Error {
+	c.svc.reload()
+	return nil
+}
diff --git a/internal/notify/service.go b/internal/notify/service.go
index b29a783..1b1c89b 100644
--- a/internal/notify/service.go
+++ b/internal/notify/service.go
@@ -77,10 +77,21 @@ func (s *Service) Start() error {
 	if err := os.RemoveAll(ImagesDir(s.dir)); err != nil {
 		log.Printf("notifyd: clear images: %v", err)
 	}
+	s.reload()
 	s.store.Reset()
 	return nil
 }
 
+// reload re-reads the config file and applies it. Timers already armed keep
+// their old lifetime; the next notification gets the new one.
+func (s *Service) reload() {
+	c := LoadConfig(ConfigPath())
+	s.mu.Lock()
+	s.cfg = c
+	s.mu.Unlock()
+	s.store.SetCaps(c.LiveCap, c.HistoryCap)
+}
+
 func (s *Service) emitClosed(id, reason uint32) {
 	s.conn.Emit(dbus.ObjectPath(objPath), iface+".NotificationClosed", id, reason)
 }