feat(release): migrate GeekAI v4.3.0 to open source

- Sync backend and frontend from GeekAI Plus v4.3.0

- Remove commercial License flows and update open-source deployment defaults

- Preserve Docker Compose deployment and bump image tags to v4.3.0

BREAKING CHANGE: commercial License configuration and related endpoints are removed

api/log/logger.go

@@ -0,0 +1,82 @@
+package log
+
+// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+// * Copyright 2023 The Geek-AI Authors. All rights reserved.
+// * Use of this source code is governed by a Apache-2.0 license
+// * that can be found in the LICENSE file.
+// * @Author yangjian102621@163.com
+// * +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
+
+import (
+	"os"
+	"strings"
+
+	"go.uber.org/zap"
+	"go.uber.org/zap/zapcore"
+	"gopkg.in/natefinch/lumberjack.v2"
+)
+
+var logger *zap.Logger
+var sugarLogger *zap.SugaredLogger
+
+func GetLogger() *zap.SugaredLogger {
+	if sugarLogger != nil {
+		return sugarLogger
+	}
+
+	logLevel := zap.NewAtomicLevelAt(getLogLevel(os.Getenv("GEEKAI_LOG_LEVEL")))
+	encoder := getEncoder()
+	writerSyncer := getLogWriter()
+	fileCore := zapcore.NewCore(encoder, writerSyncer, logLevel)
+	consoleOutput := zapcore.Lock(os.Stdout)
+	consoleCore := zapcore.NewCore(
+		encoder,
+		consoleOutput,
+		logLevel,
+	)
+	core := zapcore.NewTee(fileCore, consoleCore)
+	logger = zap.New(core, zap.AddCaller())
+	sugarLogger = logger.Sugar()
+	return sugarLogger
+}
+
+// core 三个参数之  编码
+func getEncoder() zapcore.Encoder {
+	encoderConfig := zapcore.EncoderConfig{
+		TimeKey:        "time",
+		LevelKey:       "level",
+		NameKey:        "logger",
+		CallerKey:      "caller",
+		MessageKey:     "msg",
+		StacktraceKey:  "stacktrace",
+		EncodeTime:     zapcore.ISO8601TimeEncoder,
+		EncodeDuration: zapcore.SecondsDurationEncoder,
+		EncodeCaller:   zapcore.ShortCallerEncoder,
+		EncodeLevel:    zapcore.CapitalLevelEncoder,
+	}
+	return zapcore.NewConsoleEncoder(encoderConfig)
+}
+
+func getLogWriter() zapcore.WriteSyncer {
+	lumberJackLogger := &lumberjack.Logger{
+		Filename:   "logs/app.log",
+		MaxSize:    10,
+		MaxBackups: 5,
+		MaxAge:     30,
+		Compress:   false,
+	}
+	return zapcore.AddSync(lumberJackLogger)
+}
+
+func getLogLevel(level string) zapcore.Level {
+	switch strings.ToUpper(level) {
+	case "DEBUG":
+		return zapcore.DebugLevel
+	case "WARN":
+		return zapcore.WarnLevel
+	case "ERROR":
+		return zapcore.ErrorLevel
+	default:
+		return zapcore.InfoLevel
+	}
+}