chore: auto-commit (17 archivos)

- app.md
- applog.go
- frontend/package.json
- frontend/package.json.md5
- frontend/vite.config.ts
- go.mod
- main.go
- matrix_service.go
- sqlite_driver.go
- .wails_dev.log
- ...

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

applog.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"fmt"
-	"io"
 	"log/slog"
 	"os"
 	"path/filepath"
@@ -35,8 +34,9 @@ func InitLogger() (*Logger, error) {
 		return nil, fmt.Errorf("open log file: %w", err)
 	}
 
-	multi := io.MultiWriter(os.Stderr, f)
-	handler := slog.NewTextHandler(multi, &slog.HandlerOptions{
+	// File only — Wails GUI apps on Windows have closed stderr handle, which
+	// breaks MultiWriter (one failing writer aborts the chain in some Go versions).
+	handler := slog.NewTextHandler(f, &slog.HandlerOptions{
 		Level: slog.LevelDebug,
 	})
 	l := &Logger{