No terminal window on windows

Makefile

@@ -6,6 +6,7 @@ DIST_DIR := dist
 NATIVE_GOOS := $(shell go env GOOS)
 NATIVE_GOARCH := $(shell go env GOARCH)
 NATIVE_EXT := $(if $(filter windows,$(NATIVE_GOOS)),.exe,)
+WINDOWS_GUI_LDFLAGS := $(if $(filter windows,$(NATIVE_GOOS)),-ldflags "-H=windowsgui",)
 
 # Native (current platform)
 NATIVE_EXE := $(APP_NAME)$(if $(filter windows,$(OS)),.exe,)
@@ -23,7 +24,7 @@ $(DIST_DIR):
 
 build: $(DIST_DIR)
 	@echo "Building $(APP_NAME) for current platform..."
-	go build -trimpath -o $(DIST_DIR)/$(APP_NAME)$(NATIVE_EXT) .
+	go build -trimpath $(WINDOWS_GUI_LDFLAGS) -o $(DIST_DIR)/$(APP_NAME)$(NATIVE_EXT) .
 
 build-linux: $(DIST_DIR)
 	@echo "Cross-compiling $(APP_NAME) for linux/amd64..."
@@ -31,7 +32,7 @@ build-linux: $(DIST_DIR)
 
 build-windows: $(DIST_DIR)
 	@echo "Cross-compiling $(APP_NAME) for windows/amd64..."
-	GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -o $(DIST_DIR)/$(APP_NAME)-windows-amd64.exe .
+	GOOS=windows GOARCH=amd64 CGO_ENABLED=0 go build -trimpath -ldflags "-H=windowsgui" -o $(DIST_DIR)/$(APP_NAME)-windows-amd64.exe .
 
 build-all: build-linux build-windows
 

README.md

@@ -8,6 +8,7 @@ This program runs on the user’s machine and listens on a loopback address only
 
 - Exposes `GET /health` for a simple health check.
 - Exposes `GET /open?path=...` and `POST /open` to open a folder.
+- Exposes `GET /control` (HTML) and `GET /logs` (text) to view recent logs.
 - Normalizes and validates the requested path:
   - Accepts absolute paths only.
   - If a file path is provided, it opens the containing directory.
@@ -150,6 +151,8 @@ Notes:
 - Installs to `%LOCALAPPDATA%\luxtools-client\luxtools-client.exe`
 - Stores config in `%LOCALAPPDATA%\luxtools-client\config.json`
 - Re-running `install` updates the EXE in place and refreshes the task.
+- Windows builds use the GUI subsystem, so the app starts without a console window.
+- Logs are written next to `config.json` and can be viewed at `http://127.0.0.1:8765/control` or `http://127.0.0.1:8765/logs`.
 
 ## API
 
@@ -195,6 +198,14 @@ curl -i \
   'http://127.0.0.1:8765/open?path=/tmp'
 ```
 
+### `GET /logs`
+
+Returns recent log output as plain text.
+
+### `GET /control`
+
+Shows a simple HTML page with recent log output.
+
 ## OS support
 
 - Linux: uses `xdg-open`.

internal/logging/logging.go

@@ -0,0 +1,105 @@
+package logging
+
+import (
+	"io"
+	"log"
+	"os"
+	"path/filepath"
+	"sync"
+
+	"luxtools-client/internal/config"
+)
+
+const (
+	logBufferMaxBytes = 256 * 1024
+	logFileMaxBytes   = 5 * 1024 * 1024
+)
+
+// Buffer stores recent log output for control pages.
+type Buffer struct {
+	mu  sync.Mutex
+	buf []byte
+	max int
+}
+
+func newBuffer(max int) *Buffer {
+	return &Buffer{max: max}
+}
+
+func (b *Buffer) Write(p []byte) (int, error) {
+	b.mu.Lock()
+	defer b.mu.Unlock()
+
+	if len(p) > b.max {
+		p = p[len(p)-b.max:]
+	}
+	b.buf = append(b.buf, p...)
+	if len(b.buf) > b.max {
+		b.buf = b.buf[len(b.buf)-b.max:]
+	}
+	return len(p), nil
+}
+
+// Bytes returns a copy of the buffered log content.
+func (b *Buffer) Bytes() []byte {
+	b.mu.Lock()
+	defer b.mu.Unlock()
+	if len(b.buf) == 0 {
+		return nil
+	}
+	copyBuf := make([]byte, len(b.buf))
+	copy(copyBuf, b.buf)
+	return copyBuf
+}
+
+func logFilePath() (string, error) {
+	configPath, err := config.ConfigPath()
+	if err != nil {
+		return "", err
+	}
+	return filepath.Join(filepath.Dir(configPath), "luxtools-client.log"), nil
+}
+
+func prepareLogFile(path string, maxBytes int64) (*os.File, error) {
+	if err := os.MkdirAll(filepath.Dir(path), 0o755); err != nil {
+		return nil, err
+	}
+	if info, err := os.Stat(path); err == nil && info.Size() > maxBytes {
+		_ = os.Remove(path + ".old")
+		_ = os.Rename(path, path+".old")
+	}
+	return os.OpenFile(path, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0o644)
+}
+
+// Setup builds loggers, a buffer, and optional file logging.
+func Setup() (*log.Logger, *log.Logger, *Buffer, string, func()) {
+	logStore := newBuffer(logBufferMaxBytes)
+	logPath, logErr := logFilePath()
+	var logFile *os.File
+	if logErr == nil {
+		if f, err := prepareLogFile(logPath, logFileMaxBytes); err == nil {
+			logFile = f
+		} else {
+			logPath = ""
+		}
+	} else {
+		logPath = ""
+	}
+
+	infoWriters := []io.Writer{logStore, os.Stdout}
+	errWriters := []io.Writer{logStore, os.Stderr}
+	if logFile != nil {
+		infoWriters = append(infoWriters, logFile)
+		errWriters = append(errWriters, logFile)
+	}
+
+	infoLog := log.New(io.MultiWriter(infoWriters...), "", log.LstdFlags)
+	errLog := log.New(io.MultiWriter(errWriters...), "ERROR: ", log.LstdFlags)
+
+	cleanup := func() {}
+	if logFile != nil {
+		cleanup = func() { _ = logFile.Close() }
+	}
+
+	return infoLog, errLog, logStore, logPath, cleanup
+}

internal/web/templates.go

@@ -179,6 +179,32 @@ var settingsTemplate = template.Must(template.New("settings").Parse(`<!doctype h
 </html>
 `))
 
+var logsTemplate = template.Must(template.New("logs").Parse(`<!doctype html>
+<html>
+<head>
+	<meta charset="utf-8">
+	<title>luxtools-client Logs</title>
+	<style>
+		body { font-family: system-ui, sans-serif; margin: 1.25rem; }
+		code, pre { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }
+		pre { background: #f7f7f7; padding: 0.75rem; border: 1px solid #ddd; overflow: auto; max-height: 70vh; }
+		.small { color: #666; font-size: 0.9rem; }
+		button { padding: 0.35rem 0.7rem; }
+	</style>
+</head>
+<body>
+	<h1>Logs</h1>
+	<p class="small">Log file: <code>{{ .LogPath }}</code></p>
+	<p class="small">Updated: <code>{{ .Updated }}</code></p>
+	<p>
+		<a href="/logs">View raw text</a>
+		<button type="button" onclick="location.reload()">Refresh</button>
+	</p>
+	<pre>{{ .LogText }}</pre>
+</body>
+</html>
+`))
+
 // RenderIndex renders the main index page.
 func RenderIndex(w io.Writer, data any) error {
 	return indexTemplate.Execute(w, data)
@@ -188,3 +214,8 @@ func RenderIndex(w io.Writer, data any) error {
 func RenderSettings(w io.Writer) error {
 	return settingsTemplate.Execute(w, nil)
 }
+
+// RenderLogs renders the logs control page.
+func RenderLogs(w io.Writer, data any) error {
+	return logsTemplate.Execute(w, data)
+}

main.go

@@ -21,6 +21,7 @@ import (
 
 	"luxtools-client/internal/config"
 	"luxtools-client/internal/installer"
+	"luxtools-client/internal/logging"
 	"luxtools-client/internal/notify"
 	"luxtools-client/internal/openfolder"
 	"luxtools-client/internal/web"
@@ -129,8 +130,8 @@ func buildInfoPayload() map[string]any {
 }
 
 func main() {
-	infoLog := log.New(os.Stdout, "", log.LstdFlags)
+	infoLog, errLog, logStore, logPath, cleanup := logging.Setup()
-	errLog := log.New(os.Stderr, "ERROR: ", log.LstdFlags)
+	defer cleanup()
 
 	if len(os.Args) > 1 {
 		switch os.Args[1] {
@@ -232,6 +233,54 @@ func main() {
 		}
 	})
 
+	register(mux, &endpointDocs, "/control", "GET, OPTIONS", "Logs control page", func(w http.ResponseWriter, r *http.Request) {
+		withCORS(w, r)
+		if r.Method == http.MethodOptions {
+			w.WriteHeader(http.StatusNoContent)
+			return
+		}
+		if r.Method != http.MethodGet {
+			w.WriteHeader(http.StatusMethodNotAllowed)
+			return
+		}
+
+		displayPath := logPath
+		if displayPath == "" {
+			displayPath = "unavailable"
+		}
+
+		data := struct {
+			LogPath string
+			LogText template.HTML
+			Updated string
+		}{
+			LogPath: displayPath,
+			LogText: template.HTML(html.EscapeString(string(logStore.Bytes()))),
+			Updated: time.Now().Format(time.RFC3339),
+		}
+
+		w.Header().Set("Content-Type", "text/html; charset=utf-8")
+		if err := web.RenderLogs(w, data); err != nil {
+			errLog.Printf("/control template error=%v", err)
+		}
+	})
+
+	register(mux, &endpointDocs, "/logs", "GET, OPTIONS", "Recent log output (text)", func(w http.ResponseWriter, r *http.Request) {
+		withCORS(w, r)
+		if r.Method == http.MethodOptions {
+			w.WriteHeader(http.StatusNoContent)
+			return
+		}
+		if r.Method != http.MethodGet {
+			w.WriteHeader(http.StatusMethodNotAllowed)
+			return
+		}
+
+		w.Header().Set("Content-Type", "text/plain; charset=utf-8")
+		w.Header().Set("Cache-Control", "no-store")
+		_, _ = w.Write(logStore.Bytes())
+	})
+
 	register(mux, &endpointDocs, "/settings/config", "GET, POST, PUT, OPTIONS", "Read/update path alias config (JSON)", func(w http.ResponseWriter, r *http.Request) {
 		withCORS(w, r)
 		if r.Method == http.MethodOptions {