feat: set process-wide default logger for discord-bot

discord-bot/cmd/bot/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"context"
+	"log/slog"
 	"os"
 	"os/signal"
 	"syscall"
@@ -31,6 +32,9 @@ func main() {
 	}
 
 	log := logger.New(cfg.LogFormat, cfg.LogLevel)
+	// Set the process-wide default so contexts created at library boundaries
+	// still inherit the configured JSON/text handler.
+	slog.SetDefault(log)
 	log.Info("starting discord-bot",
 		"version", version,
 		"ha_gateway_addr", cfg.HAGatewayAddr,