refactor: use new struct in backend

backend/cli/cli.go

@@ -1,4 +1,4 @@
-package main
+package cli
 
 import (
 	"flag"
@@ -15,10 +15,10 @@ type CLIArgs struct {
 	Init bool
 }
 
-// ParseCLI parses the command-line arguments via the standard flag package and
+// Parse parses the command-line arguments via the standard flag package and
 // returns a *CLIArgs. When the required --config flag is missing, it prints the
 // usage and exits with status 2 (matching argparse's exit code).
-func ParseCLI() *CLIArgs {
+func Parse() *CLIArgs {
 	args := &CLIArgs{}
 
 	// Custom usage output mirroring the legacy ArgumentParser description banner.

backend/config/config.go

@@ -1,4 +1,4 @@
-package main
+package config
 
 import (
 	"fmt"
@@ -107,12 +107,12 @@ type rawConfig struct {
 	Others   OthersConfig      `toml:"others"`
 }
 
-// LoadConfig reads and parses the TOML config file at the given path, returning
-// the parsed config or an error. It merges the legacy setup_config and
-// get_config: the first phase uses toml.DecodeFile to defer database.config, and
-// the second phase dispatches PrimitiveDecode into SqliteDatabaseConfig or
+// Load reads and parses the TOML config file at the given path, returning the
+// parsed config or an error. It merges the legacy setup_config and get_config:
+// the first phase uses toml.DecodeFile to defer database.config, and the second
+// phase dispatches PrimitiveDecode into SqliteDatabaseConfig or
 // MysqlDatabaseConfig based on the driver.
-func LoadConfig(path string) (*Config, error) {
+func Load(path string) (*Config, error) {
 	var raw rawConfig
 	meta, err := toml.DecodeFile(path, &raw)
 	if err != nil {

backend/main.go

@@ -6,12 +6,15 @@ import (
 	"net/http"
 
 	"github.com/gin-gonic/gin"
+
+	"github.com/yyc12345/coconut-leaf/backend/cli"
+	"github.com/yyc12345/coconut-leaf/backend/config"
 )
 
 func main() {
-	args := ParseCLI()
+	args := cli.Parse()
 
-	cfg, err := LoadConfig(args.Config)
+	cfg, err := config.Load(args.Config)
 	if err != nil {
 		log.Fatal(err)
 	}

backend/utils/utils.go

@@ -1,4 +1,4 @@
-package main
+package utils
 
 import (
 	"crypto/sha256"