Started REPL env for custom interactive shell

ONLY active when bot is running
- Arguments [--watch] displays how many usses of each trigger and how
many uses over the lifetime ofthe bot
Commands
- title [get/set] <newTitle>
- category [get/set] <newCategory> - MUST be a legit Twitch.tv one
- yet to come [cmd add|del|edit] [trigger] [response] (NOTE if you want
Emotes you will have to type the 'name' in for twitch chat to recognise
it)

cmd/cli/main.go

@@ -0,0 +1,96 @@
+package main
+
+import (
+	"bufio"
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"strings"
+	"time"
+
+	twitchapi "streambot_twitch/internal/twitchapi"
+	"streambot_twitch/internal/commands"
+	"streambot_twitch/internal/config"
+)
+
+func main() {
+	// env setup
+	clientID := os.Getenv("TWITCH_CLIENT_ID")
+	clientSecret := os.Getenv("TWITCH_CLIENT_SECRET")
+	streamerChan := os.Getenv("CHANNEL")
+	userToken := os.Getenv("STREAMER_OAUTH")
+
+	if clientID == "" || clientSecret == "" || streamerChan == "" {
+		log.Fatal("Set TWITCH_CLIENT_ID, TWITCH_CLIENT_SECRET or cHANNEL")
+	}
+
+	// init config, commands, usage
+	if err := config.Load(); err != nil {log.Fatal(err)}
+	if err := commands.LoadDefaultCommands(); err != nil {log.Fatal(err)}
+	if err := commands.LoadCustomCommands(); err != nil {lof.Fatal(err)}
+	if err := commands.LoadUsage(); err != nil {log.Fatal(err)}
+
+	// init api client
+	apiClient, err := twitchapi.NewClient(clientID, clientSecret)
+	if err != nil {log.Fatalf("API client: %v", err)}
+	if userToken != "" {
+		apiClient.SetUserAccessToken(userToken)
+	}
+
+	// CLI flags
+	watch := flag.Bool("watch", false, "refresh stats periodically")
+	interval := flag.Duration("interval", 5*time.Minute, "refresh interval for watch mode")
+	flag.Parse()
+	args := flag.Args()
+
+	if len(args) == 0 || strings.ToLower(args[0]) == "shell" {
+		repl(apiClient, streamerChan, *watch, *interval)
+		return
+	}
+
+	dispatch(apiClient, streamerChan, args, *watch, *interval)
+}
+
+// repl interactive prompt
+func repl(apiClient *twitchapi.Client, streamerChan string, watch bool, interval time.Duration) {
+	reader := bufio.NewReader(os.Stdin)
+	for {
+		fmt.Print("bot:> ")
+		line, err := reader.ReadString('\n')
+		if err != nil {
+			fmt.Println("Error:", err)
+			continue
+		}
+		line = strings.TrimSpace(line)
+		if line == "" {
+			continue
+		}
+		if line == "exit" || line == "quit" {
+			fmt.Println("bye")
+			return
+		}
+		parts := strings.Fields(line)
+		dispatch(apiClient, streamerChan, parts, watch, interval)
+	}
+}
+
+// dispatch handles one command invocation
+func dispatch(apiClient *twitchapi.Client, streamerChan string, args []string, watch bool, interval time.Duration) {
+	cmd := strings.ToLower(args[0])
+	switch cmd {
+		case "stats":
+			if watch {
+				printUsage()
+				t := time.NewTicker(interval)
+				for range t.C {
+					printUsage()
+				}
+			} else {
+				printUsage()	
+			}
+
+		case "title":
+			
+	}
+}