Merge pull request 'ft/meetings' (#2) from ft/meetings into dev

Reviewed-on: https://gitea.fernandovideira.com/FernandoJVideira/velox-bot/pulls/2

internal/bot/bot.go

@@ -24,6 +24,12 @@ func NewBot(token, appID, guildID string, cmds []*discordgo.ApplicationCommand,
 		return nil, err
 	}
 
+	// Intents needed for:
+	// - InteractionCreate (slash commands): Guilds
+	// - MessageCreate (leveling): GuildMessages
+	// - VoiceStateUpdate (meeting lobby): GuildVoiceStates
+	session.Identify.Intents = discordgo.IntentsGuilds | discordgo.IntentsGuildMessages | discordgo.IntentsGuildVoiceStates
+
 	return &Bot{
 		Session:  session,
 		AppID:    appID,
@@ -54,6 +60,10 @@ func (b *Bot) Start() error {
 		events.HandleMessageCreate(s, m, b.Services)
 	})
 
+	b.Session.AddHandler(func(s *discordgo.Session, vs *discordgo.VoiceStateUpdate) {
+		events.HandleVoiceStateUpdate(s, vs, b.Services)
+	})
+
 	return nil
 }
 

internal/commands/commands.go

@@ -4,26 +4,41 @@ import (
 	"velox-bot/internal/commands/fun"
 	"velox-bot/internal/commands/help"
 	cmdlevel "velox-bot/internal/commands/level"
+	"velox-bot/internal/commands/meeting"
 
 	"github.com/bwmarrin/discordgo"
 )
 
 var AllCommands = []*discordgo.ApplicationCommand{
 	fun.Ping,
+	fun.Joke,
+	fun.Coinflip,
+	fun.Dice,
+	fun.Rps,
+	fun.RpsStats,
+	fun.RpsLeaderboard,
 	help.Help,
 	cmdlevel.Slvl,
 	cmdlevel.Rank,
 	cmdlevel.Leaderboard,
 	cmdlevel.Rewards,
+	meeting.Meeting,
 }
 
 var handlers = map[string]func(s *discordgo.Session, i *discordgo.InteractionCreate){
-	"ping": fun.PingHandler,
+	"ping":        fun.PingHandler,
-	"help": help.HelpHandler,
+	"joke":        fun.JokeHandler,
+	"coinflip":    fun.CoinflipHandler,
+	"dice":        fun.DiceHandler,
+	"rps":         fun.RpsHandler,
+	"rpsstats":    fun.RpsStatsHandler,
+	"rpsleaderboard": fun.RpsLeaderboardHandler,
+	"help":        help.HelpHandler,
 	"slvl":        cmdlevel.SlvlHandler,
 	"rank":        cmdlevel.RankHandler,
 	"leaderboard": cmdlevel.LeaderboardHandler,
 	"rewards":     cmdlevel.RewardsHandler,
+	"meeting":     meeting.MeetingHandler,
 }
 
 func HandleInteraction(s *discordgo.Session, i *discordgo.InteractionCreate) {

internal/commands/fun/public/coinflip.go

@@ -0,0 +1,22 @@
+package public
+
+import (
+	"math/rand"
+	"velox-bot/internal/commands/fun/shared"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+var Coinflip = &discordgo.ApplicationCommand{
+	Name:        "coinflip",
+	Description: "Flip a coin",
+}
+
+func CoinflipHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	num := rand.Intn(2)
+	if num == 0 {
+		shared.Respond(s, i, "Heads!")
+	} else {
+		shared.Respond(s, i, "Tails!")
+	}
+}

internal/commands/fun/public/dice.go

@@ -0,0 +1,62 @@
+package public
+
+import (
+	"strings"
+
+	"velox-bot/internal/commands/fun/shared"
+	"velox-bot/internal/diceexpr"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+var Dice = &discordgo.ApplicationCommand{
+	Name:        "dice",
+	Description: "Roll dice expressions (e.g. d20, 2d20+1, 2#d20+1)",
+	Options: []*discordgo.ApplicationCommandOption{
+		{
+			Type:        discordgo.ApplicationCommandOptionString,
+			Name:        "expr",
+			Description: "Dice expression to roll",
+			Required:    true,
+		},
+	},
+	Contexts: &[]discordgo.InteractionContextType{
+		discordgo.InteractionContextGuild,
+		discordgo.InteractionContextBotDM,
+		discordgo.InteractionContextPrivateChannel,
+	},
+}
+
+func DiceHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	expr := ""
+	if opts := i.ApplicationCommandData().Options; len(opts) > 0 {
+		expr = opts[0].StringValue()
+	}
+	expr = strings.TrimSpace(expr)
+	if expr == "" {
+		respondDiceFailure(s, i)
+		return
+	}
+
+	res, err := diceexpr.EvalMany(expr, diceexpr.DefaultLimits())
+	if err != nil {
+		respondDiceFailure(s, i)
+		return
+	}
+
+	out := diceexpr.FormatResult(res, diceexpr.DefaultFormatOptions())
+	if len(out) > 1900 {
+		// Keep within Discord message limits; trim safely.
+		out = out[:1900] + "…"
+	}
+	shared.Respond(s, i, out)
+}
+
+func respondDiceFailure(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	if i.GuildID != "" {
+		shared.RespondEphemeral(s, i, "Failure!")
+		return
+	}
+	shared.Respond(s, i, "Failure!")
+}
+

internal/commands/fun/public/joke.go

@@ -0,0 +1,153 @@
+package public
+
+import (
+	"context"
+	"encoding/json"
+	"errors"
+	"fmt"
+	"net/http"
+	"time"
+
+	"velox-bot/internal/commands/fun/shared"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+var Joke = &discordgo.ApplicationCommand{
+	Name:        "joke",
+	Description: "Get a random joke",
+	Contexts: &[]discordgo.InteractionContextType{
+		discordgo.InteractionContextGuild,
+		discordgo.InteractionContextBotDM,
+		discordgo.InteractionContextPrivateChannel,
+	},
+	Options: []*discordgo.ApplicationCommandOption{
+		{
+			Type:        discordgo.ApplicationCommandOptionString,
+			Name:        "type",
+			Description: "The type of joke to get",
+			Required:    false,
+			Choices: []*discordgo.ApplicationCommandOptionChoice{
+				{
+					Name:  "Programming",
+					Value: "Programming",
+				},
+				{
+					Name:  "Misc",
+					Value: "Miscellaneous",
+				},
+				{
+					Name:  "Dark",
+					Value: "Dark",
+				},
+				{
+					Name:  "Pun",
+					Value: "Pun",
+				},
+				{
+					Name:  "Spooky",
+					Value: "Spooky",
+				},
+				{
+					Name:  "Christmas",
+					Value: "Christmas",
+				},
+			},
+		},
+	},
+}
+
+func JokeHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	jokeType := "Any"
+	if opts := i.ApplicationCommandData().Options; len(opts) > 0 {
+		if v := opts[0].StringValue(); v != "" {
+			jokeType = v
+		}
+	}
+	if !isValidJokeType(jokeType) {
+		jokeType = "Any"
+	}
+
+	ctx, cancel := context.WithTimeout(context.Background(), 6*time.Second)
+	defer cancel()
+
+	content, err := fetchJoke(ctx, jokeType)
+	if err != nil {
+		if i.GuildID != "" {
+			shared.RespondEphemeral(s, i, "Failed to get joke.")
+		} else {
+			shared.Respond(s, i, "Failed to get joke.")
+		}
+		return
+	}
+
+	shared.Respond(s, i, content)
+}
+
+func isValidJokeType(t string) bool {
+	switch t {
+	case "Any", "Programming", "Misc", "Dark", "Pun", "Spooky", "Christmas":
+		return true
+	default:
+		return false
+	}
+}
+
+type jokeAPIResponse struct {
+	Error    bool   `json:"error"`
+	Message  string `json:"message"`
+	Type     string `json:"type"`
+	Joke     string `json:"joke"`
+	Setup    string `json:"setup"`
+	Delivery string `json:"delivery"`
+}
+
+func fetchJoke(ctx context.Context, jokeType string) (string, error) {
+	const baseURL = "https://v2.jokeapi.dev/joke"
+	req, err := http.NewRequestWithContext(ctx, http.MethodGet, fmt.Sprintf("%s/%s", baseURL, jokeType), nil)
+	if err != nil {
+		return "", err
+	}
+
+	resp, err := http.DefaultClient.Do(req)
+	if err != nil {
+		return "", err
+	}
+	defer resp.Body.Close()
+
+	if resp.StatusCode < 200 || resp.StatusCode >= 300 {
+		return "", fmt.Errorf("joke api status: %s", resp.Status)
+	}
+
+	var data jokeAPIResponse
+	if err := json.NewDecoder(resp.Body).Decode(&data); err != nil {
+		return "", err
+	}
+	if data.Error {
+		if data.Message != "" {
+			return "", errors.New(data.Message)
+		}
+		return "", errors.New("joke api returned error")
+	}
+
+	switch data.Type {
+	case "single":
+		if data.Joke == "" {
+			return "", errors.New("empty joke")
+		}
+		return data.Joke, nil
+	case "twopart":
+		if data.Setup == "" && data.Delivery == "" {
+			return "", errors.New("empty joke")
+		}
+		if data.Setup == "" {
+			return data.Delivery, nil
+		}
+		if data.Delivery == "" {
+			return data.Setup, nil
+		}
+		return data.Setup + "\n" + data.Delivery, nil
+	default:
+		return "", fmt.Errorf("unknown joke type: %q", data.Type)
+	}
+}

internal/commands/fun/public/ping.go

@@ -1,4 +1,4 @@
-package fun
+package public
 
 import "github.com/bwmarrin/discordgo"
 

internal/commands/fun/public/rps.go

@@ -0,0 +1,106 @@
+package public
+
+import (
+	"context"
+	"strconv"
+
+	"velox-bot/internal/commands/fun/shared"
+	"velox-bot/internal/db/services"
+	rpssvc "velox-bot/internal/db/services/rps"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+var Rps = &discordgo.ApplicationCommand{
+	Name:        "rps",
+	Description: "Plays Rock Paper Scissors with you",
+	Options: []*discordgo.ApplicationCommandOption{
+		{
+			Type:        discordgo.ApplicationCommandOptionString,
+			Name:        "hand",
+			Description: "Choose between ✌️, ✋ or 🤜",
+			Required:    true,
+			Choices: []*discordgo.ApplicationCommandOptionChoice{
+				{Name: "✌️ - Scissors", Value: string(rpssvc.HandScissors)},
+				{Name: "✋ - Paper", Value: string(rpssvc.HandPaper)},
+				{Name: "🤜 - Rock", Value: string(rpssvc.HandRock)},
+			},
+		},
+	},
+	Contexts: &[]discordgo.InteractionContextType{
+		discordgo.InteractionContextGuild,
+	},
+}
+
+func RpsHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	if i.GuildID == "" {
+		shared.Respond(s, i, "This command can only be used in a server.")
+		return
+	}
+	if services.Global == nil || services.Global.RPS == nil {
+		shared.RespondEphemeral(s, i, "RPS service is not available.")
+		return
+	}
+	data := i.ApplicationCommandData()
+	if len(data.Options) == 0 {
+		shared.RespondEphemeral(s, i, "Invalid hand! Please choose between ✌️, ✋ or 🤜")
+		return
+	}
+	handStr := data.Options[0].StringValue()
+	userHand, ok := rpssvc.ParseHand(handStr)
+	if !ok {
+		shared.RespondEphemeral(s, i, "Invalid hand! Please choose between ✌️, ✋ or 🤜")
+		return
+	}
+
+	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
+	if err != nil {
+		shared.RespondEphemeral(s, i, "Invalid guild.")
+		return
+	}
+
+	user := i.User
+	if i.Member != nil && i.Member.User != nil {
+		user = i.Member.User
+	}
+	if user == nil {
+		return
+	}
+	userID, err := strconv.ParseInt(user.ID, 10, 64)
+	if err != nil {
+		shared.RespondEphemeral(s, i, "Invalid user.")
+		return
+	}
+
+	out, err := services.Global.RPS.Play(context.Background(), guildID, userID, userHand)
+	if err != nil {
+		shared.RespondEphemeral(s, i, "Failed to play RPS.")
+		return
+	}
+
+	color := 0xEF4444
+	switch out.Result {
+	case rpssvc.ResultWin:
+		color = 0x22C55E
+	case rpssvc.ResultTie:
+		color = 0xF59E0B
+	}
+
+	embed := &discordgo.MessageEmbed{
+		Title:       string(out.Result),
+		Description: user.Mention() + " vs bot",
+		Color:       color,
+		Fields: []*discordgo.MessageEmbedField{
+			{Name: "Your hand", Value: out.UserHand.String(), Inline: true},
+			{Name: "Bot hand", Value: out.BotHand.String(), Inline: true},
+			{Name: "Score", Value: strconv.Itoa(out.Score), Inline: true},
+		},
+	}
+
+	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+		Type: discordgo.InteractionResponseChannelMessageWithSource,
+		Data: &discordgo.InteractionResponseData{
+			Embeds: []*discordgo.MessageEmbed{embed},
+		},
+	})
+}

internal/commands/fun/public/rpsleaderboard.go

@@ -0,0 +1,73 @@
+package public
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+
+	"velox-bot/internal/commands/fun/shared"
+	"velox-bot/internal/db/services"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+var RpsLeaderboard = &discordgo.ApplicationCommand{
+	Name:        "rpsleaderboard",
+	Description: "Shows the RPS leaderboard",
+	Contexts: &[]discordgo.InteractionContextType{
+		discordgo.InteractionContextGuild,
+	},
+}
+
+func RpsLeaderboardHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	if i.GuildID == "" {
+		shared.Respond(s, i, "This command can only be used in a server.")
+		return
+	}
+	if services.Global == nil || services.Global.RPS == nil {
+		shared.RespondEphemeral(s, i, "RPS service is not available.")
+		return
+	}
+	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
+	if err != nil {
+		shared.RespondEphemeral(s, i, "Invalid guild.")
+		return
+	}
+
+	top, err := services.Global.RPS.TopScores(context.Background(), guildID, 10)
+	if err != nil {
+		shared.RespondEphemeral(s, i, "Failed to load leaderboard.")
+		return
+	}
+	if len(top) == 0 {
+		shared.RespondEphemeral(s, i, "No leaderboard data yet.")
+		return
+	}
+
+	fields := make([]*discordgo.MessageEmbedField, 0, len(top))
+	for idx, entry := range top {
+		display := fmt.Sprintf("<@%d>", entry.UserID)
+		if u, err := s.User(strconv.FormatInt(entry.UserID, 10)); err == nil && u != nil && u.Username != "" {
+			display = u.Username
+		}
+		fields = append(fields, &discordgo.MessageEmbedField{
+			Name:   fmt.Sprintf("%d. %s", idx+1, display),
+			Value:  fmt.Sprintf("Score: **%d**", entry.Score),
+			Inline: false,
+		})
+	}
+
+	embed := &discordgo.MessageEmbed{
+		Title:       "RPS Leaderboard",
+		Description: fmt.Sprintf("Top %d players in this server", len(top)),
+		Color:       0xA855F7,
+		Fields:      fields,
+	}
+	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+		Type: discordgo.InteractionResponseChannelMessageWithSource,
+		Data: &discordgo.InteractionResponseData{
+			Embeds: []*discordgo.MessageEmbed{embed},
+		},
+	})
+}
+

internal/commands/fun/public/rpsstats.go

@@ -0,0 +1,73 @@
+package public
+
+import (
+	"context"
+	"strconv"
+
+	"velox-bot/internal/commands/fun/shared"
+	"velox-bot/internal/db/services"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+var RpsStats = &discordgo.ApplicationCommand{
+	Name:        "rpsstats",
+	Description: "Shows your RPS stats",
+	Contexts: &[]discordgo.InteractionContextType{
+		discordgo.InteractionContextGuild,
+	},
+}
+
+func RpsStatsHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	if i.GuildID == "" {
+		shared.Respond(s, i, "This command can only be used in a server.")
+		return
+	}
+	if services.Global == nil || services.Global.RPS == nil {
+		shared.RespondEphemeral(s, i, "RPS service is not available.")
+		return
+	}
+	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
+	if err != nil {
+		shared.RespondEphemeral(s, i, "Invalid guild.")
+		return
+	}
+	user := i.User
+	if i.Member != nil && i.Member.User != nil {
+		user = i.Member.User
+	}
+	if user == nil {
+		return
+	}
+	userID, err := strconv.ParseInt(user.ID, 10, 64)
+	if err != nil {
+		shared.RespondEphemeral(s, i, "Invalid user.")
+		return
+	}
+
+	score, ok, err := services.Global.RPS.GetScore(context.Background(), guildID, userID)
+	if err != nil {
+		shared.RespondEphemeral(s, i, "Failed to load stats.")
+		return
+	}
+	if !ok {
+		shared.RespondEphemeral(s, i, "You haven't played RPS yet!")
+		return
+	}
+
+	embed := &discordgo.MessageEmbed{
+		Title:       "RPS Stats",
+		Description: user.Mention(),
+		Color:       0x3B82F6,
+		Fields: []*discordgo.MessageEmbedField{
+			{Name: "Score", Value: strconv.Itoa(score), Inline: true},
+		},
+	}
+	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+		Type: discordgo.InteractionResponseChannelMessageWithSource,
+		Data: &discordgo.InteractionResponseData{
+			Embeds: []*discordgo.MessageEmbed{embed},
+		},
+	})
+}
+

internal/commands/fun/registry.go

@@ -0,0 +1,33 @@
+package fun
+
+import (
+	"velox-bot/internal/commands/fun/public"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+// Commands
+var (
+	Ping     *discordgo.ApplicationCommand = public.Ping
+	Joke     *discordgo.ApplicationCommand = public.Joke
+	Coinflip *discordgo.ApplicationCommand = public.Coinflip
+	Dice     *discordgo.ApplicationCommand = public.Dice
+	Rps      *discordgo.ApplicationCommand = public.Rps
+	RpsStats *discordgo.ApplicationCommand = public.RpsStats
+	RpsLeaderboard *discordgo.ApplicationCommand = public.RpsLeaderboard
+)
+
+// Handlers
+func PingHandler(s *discordgo.Session, i *discordgo.InteractionCreate) { public.PingHandler(s, i) }
+func JokeHandler(s *discordgo.Session, i *discordgo.InteractionCreate) { public.JokeHandler(s, i) }
+func CoinflipHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	public.CoinflipHandler(s, i)
+}
+func DiceHandler(s *discordgo.Session, i *discordgo.InteractionCreate) { public.DiceHandler(s, i) }
+func RpsHandler(s *discordgo.Session, i *discordgo.InteractionCreate)  { public.RpsHandler(s, i) }
+func RpsStatsHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	public.RpsStatsHandler(s, i)
+}
+func RpsLeaderboardHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	public.RpsLeaderboardHandler(s, i)
+}

internal/commands/fun/shared/shared.go

@@ -0,0 +1,24 @@
+package shared
+
+import (
+	"github.com/bwmarrin/discordgo"
+)
+
+func Respond(s *discordgo.Session, i *discordgo.InteractionCreate, msg string) {
+	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+		Type: discordgo.InteractionResponseChannelMessageWithSource,
+		Data: &discordgo.InteractionResponseData{
+			Content: msg,
+		},
+	})
+}
+
+func RespondEphemeral(s *discordgo.Session, i *discordgo.InteractionCreate, msg string) {
+	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+		Type: discordgo.InteractionResponseChannelMessageWithSource,
+		Data: &discordgo.InteractionResponseData{
+			Content: msg,
+			Flags:   discordgo.MessageFlagsEphemeral,
+		},
+	})
+}

internal/commands/help/help.go

@@ -47,12 +47,36 @@ func HelpHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
 		Fields: []*discordgo.MessageEmbedField{
 			{
 				Name:  "Fun Commands",
-				Value: "Here are the fun commands for the bot.",
+				Value: "Small utility + games.",
 			},
 			{
 				Name:  "/ping",
 				Value: "Pong!",
 			},
+			{
+				Name:  "/joke [type]",
+				Value: "Get a random joke (optional category).",
+			},
+			{
+				Name:  "/coinflip",
+				Value: "Flip a coin.",
+			},
+			{
+				Name:  "/dice <expr>",
+				Value: "Roll dice expressions (e.g. `d20`, `2d20+1`, `2#d20+1`).",
+			},
+			{
+				Name:  "/rps <hand>",
+				Value: "Play Rock Paper Scissors (server only).",
+			},
+			{
+				Name:  "/rpsstats",
+				Value: "Show your RPS score (server only).",
+			},
+			{
+				Name:  "/rpsleaderboard",
+				Value: "Show top RPS scores (server only).",
+			},
 			{
 				Name:  "/help",
 				Value: "Get help with the bot.",
@@ -69,6 +93,30 @@ func HelpHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
 				Name:  "/slvl set",
 				Value: "Set the level of a user.",
 			},
+			{
+				Name:  "/slvl set-channel",
+				Value: "Set the channel for level-up messages.",
+			},
+			{
+				Name:  "/slvl set-message",
+				Value: "Set the custom level-up message.",
+			},
+			{
+				Name:  "/slvl set-reward",
+				Value: "Set a role reward for a level.",
+			},
+			{
+				Name:  "/rank [user]",
+				Value: "Show a rank card (server only).",
+			},
+			{
+				Name:  "/leaderboard",
+				Value: "Show top levels (server only).",
+			},
+			{
+				Name:  "/rewards",
+				Value: "List configured level rewards (server only).",
+			},
 		},
 		Author: &author,
 	}

internal/commands/level/registry.go

@@ -16,8 +16,11 @@ var (
 )
 
 // Handlers
-func RankHandler(s *discordgo.Session, i *discordgo.InteractionCreate)        { public.RankHandler(s, i) }
+func RankHandler(s *discordgo.Session, i *discordgo.InteractionCreate) { public.RankHandler(s, i) }
-func LeaderboardHandler(s *discordgo.Session, i *discordgo.InteractionCreate) { public.LeaderboardHandler(s, i) }
+func LeaderboardHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
-func RewardsHandler(s *discordgo.Session, i *discordgo.InteractionCreate)     { public.RewardsHandler(s, i) }
+	public.LeaderboardHandler(s, i)
-func SlvlHandler(s *discordgo.Session, i *discordgo.InteractionCreate)        { config.SlvlHandler(s, i) }
+}
-
+func RewardsHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	public.RewardsHandler(s, i)
+}
+func SlvlHandler(s *discordgo.Session, i *discordgo.InteractionCreate) { config.SlvlHandler(s, i) }

internal/commands/meeting/public/meeting.go

@@ -0,0 +1,332 @@
+package public
+
+import (
+	"context"
+	"fmt"
+	"strconv"
+
+	"velox-bot/internal/commands/meeting/shared"
+	"velox-bot/internal/db/services"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+var Meeting = &discordgo.ApplicationCommand{
+	Name:        "meeting",
+	Description: "Meeting room settings",
+	Options: []*discordgo.ApplicationCommandOption{
+		{
+			Type:        discordgo.ApplicationCommandOptionSubCommand,
+			Name:        "set-lobby",
+			Description: "Set the voice lobby channel used to create meetings",
+			Options: []*discordgo.ApplicationCommandOption{
+				{
+					Type:         discordgo.ApplicationCommandOptionChannel,
+					Name:         "channel",
+					Description:  "Voice channel lobby",
+					Required:     true,
+					ChannelTypes: []discordgo.ChannelType{discordgo.ChannelTypeGuildVoice},
+				},
+			},
+		},
+		{
+			Type:        discordgo.ApplicationCommandOptionSubCommand,
+			Name:        "lock",
+			Description: "Lock your current meeting room (block others from joining)",
+		},
+		{
+			Type:        discordgo.ApplicationCommandOptionSubCommand,
+			Name:        "lock-private",
+			Description: "Lock and hide your meeting room (block joining and visibility)",
+		},
+		{
+			Type:        discordgo.ApplicationCommandOptionSubCommand,
+			Name:        "unlock",
+			Description: "Unlock your current meeting room (allow others to join)",
+		},
+		{
+			Type:        discordgo.ApplicationCommandOptionSubCommand,
+			Name:        "invite",
+			Description: "Allow a user to join your locked meeting room",
+			Options: []*discordgo.ApplicationCommandOption{
+				{
+					Type:        discordgo.ApplicationCommandOptionUser,
+					Name:        "user",
+					Description: "User to allow",
+					Required:    true,
+				},
+			},
+		},
+		{
+			Type:        discordgo.ApplicationCommandOptionSubCommand,
+			Name:        "uninvite",
+			Description: "Remove a previously invited user's permission to join",
+			Options: []*discordgo.ApplicationCommandOption{
+				{
+					Type:        discordgo.ApplicationCommandOptionUser,
+					Name:        "user",
+					Description: "User to remove",
+					Required:    true,
+				},
+			},
+		},
+	},
+}
+
+func MeetingHandler(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	if !shared.RequireGuild(s, i) || !shared.RequireManageGuild(s, i) || !shared.RequireMeetingService(s, i) {
+		return
+	}
+
+	data := i.ApplicationCommandData()
+	if len(data.Options) == 0 {
+		shared.RespondEphemeral(s, i, "Missing subcommand.")
+		return
+	}
+
+	switch data.Options[0].Name {
+	case "set-lobby":
+		handleSetLobby(s, i)
+	case "lock":
+		handleLock(s, i)
+	case "lock-private":
+		handleLockPrivate(s, i)
+	case "unlock":
+		handleUnlock(s, i)
+	case "invite":
+		handleInvite(s, i)
+	case "uninvite":
+		handleUninvite(s, i)
+	default:
+		shared.RespondEphemeral(s, i, "Unknown subcommand.")
+	}
+}
+
+func handleSetLobby(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	guildID, ok := shared.ParseGuildID(s, i)
+	if !ok {
+		return
+	}
+
+	optMap := shared.SubcommandOptionMap(i)
+	channelOpt, ok := optMap["channel"]
+	if !ok {
+		shared.RespondEphemeral(s, i, "Missing channel option.")
+		return
+	}
+
+	ch := channelOpt.ChannelValue(s)
+	if ch == nil || ch.Type != discordgo.ChannelTypeGuildVoice {
+		shared.RespondEphemeral(s, i, "Invalid voice channel.")
+		return
+	}
+
+	channelID, err := strconv.ParseInt(ch.ID, 10, 64)
+	if err != nil {
+		shared.RespondEphemeral(s, i, "Invalid channel ID.")
+		return
+	}
+
+	if err := services.Global.Meeting.SetLobbyChannel(context.Background(), guildID, channelID); err != nil {
+		shared.RespondEphemeral(s, i, "Failed to set meeting lobby.")
+		return
+	}
+
+	shared.RespondEphemeral(s, i, "Meeting lobby set to "+ch.Mention()+".")
+}
+
+func handleLock(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	ch, chID64, guildID64, ok := requireOwnTempVoiceChannel(s, i)
+	if !ok {
+		return
+	}
+
+	// Deny CONNECT for @everyone (guild ID).
+	if err := s.ChannelPermissionSet(
+		ch.ID,
+		i.GuildID,
+		discordgo.PermissionOverwriteTypeRole,
+		0,
+		discordgo.PermissionVoiceConnect,
+	); err != nil {
+		shared.RespondEphemeral(s, i, "Failed to lock the meeting room.")
+		return
+	}
+
+	shared.RespondEphemeral(s, i, "Locked "+ch.Mention()+". Use `/meeting invite user:@someone` to allow specific people.")
+
+	_ = chID64
+	_ = guildID64
+}
+
+func handleLockPrivate(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	ch, _, _, ok := requireOwnTempVoiceChannel(s, i)
+	if !ok {
+		return
+	}
+
+	// Deny CONNECT and VIEW_CHANNEL for @everyone (guild ID).
+	deny := int64(discordgo.PermissionVoiceConnect | discordgo.PermissionViewChannel)
+	if err := s.ChannelPermissionSet(
+		ch.ID,
+		i.GuildID,
+		discordgo.PermissionOverwriteTypeRole,
+		0,
+		deny,
+	); err != nil {
+		shared.RespondEphemeral(s, i, "Failed to lock the meeting room.")
+		return
+	}
+
+	shared.RespondEphemeral(s, i, "Locked (private) "+ch.Mention()+". Use `/meeting invite user:@someone` to allow specific people.")
+}
+
+func handleUnlock(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	ch, _, _, ok := requireOwnTempVoiceChannel(s, i)
+	if !ok {
+		return
+	}
+
+	// Remove the @everyone overwrite so defaults apply again.
+	if err := s.ChannelPermissionDelete(ch.ID, i.GuildID); err != nil {
+		shared.RespondEphemeral(s, i, "Failed to unlock the meeting room.")
+		return
+	}
+
+	shared.RespondEphemeral(s, i, "Unlocked "+ch.Mention()+".")
+}
+
+func handleInvite(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	ch, _, _, ok := requireOwnTempVoiceChannel(s, i)
+	if !ok {
+		return
+	}
+
+	optMap := shared.SubcommandOptionMap(i)
+	userOpt, ok := optMap["user"]
+	if !ok {
+		shared.RespondEphemeral(s, i, "Missing user option.")
+		return
+	}
+	u := userOpt.UserValue(s)
+	if u == nil {
+		shared.RespondEphemeral(s, i, "Invalid user.")
+		return
+	}
+
+	// Allow CONNECT for the invited user.
+	if err := s.ChannelPermissionSet(
+		ch.ID,
+		u.ID,
+		discordgo.PermissionOverwriteTypeMember,
+		discordgo.PermissionVoiceConnect,
+		0,
+	); err != nil {
+		shared.RespondEphemeral(s, i, "Failed to invite user.")
+		return
+	}
+
+	shared.RespondEphemeral(s, i, "Invited "+u.Mention()+" to "+ch.Mention()+".")
+}
+
+func handleUninvite(s *discordgo.Session, i *discordgo.InteractionCreate) {
+	ch, _, _, ok := requireOwnTempVoiceChannel(s, i)
+	if !ok {
+		return
+	}
+
+	optMap := shared.SubcommandOptionMap(i)
+	userOpt, ok := optMap["user"]
+	if !ok {
+		shared.RespondEphemeral(s, i, "Missing user option.")
+		return
+	}
+	u := userOpt.UserValue(s)
+	if u == nil {
+		shared.RespondEphemeral(s, i, "Invalid user.")
+		return
+	}
+
+	// Remove any member-specific overwrite for this user.
+	if err := s.ChannelPermissionDelete(ch.ID, u.ID); err != nil {
+		shared.RespondEphemeral(s, i, "Failed to remove invite.")
+		return
+	}
+
+	shared.RespondEphemeral(s, i, "Removed "+u.Mention()+" from "+ch.Mention()+".")
+}
+
+func requireOwnTempVoiceChannel(s *discordgo.Session, i *discordgo.InteractionCreate) (channel *discordgo.Channel, channelID64 int64, guildID64 int64, ok bool) {
+	guildID64, ok = shared.ParseGuildID(s, i)
+	if !ok {
+		return nil, 0, 0, false
+	}
+	if i.Member == nil || i.Member.User == nil {
+		shared.RespondEphemeral(s, i, "Missing member info.")
+		return nil, 0, 0, false
+	}
+
+	voiceChannelID, found := findMemberVoiceChannelID(s, i.GuildID, i.Member.User.ID)
+	if !found || voiceChannelID == "" {
+		shared.RespondEphemeral(s, i, "You must be in your meeting voice channel to use this.")
+		return nil, 0, 0, false
+	}
+
+	ch, err := s.Channel(voiceChannelID)
+	if err != nil || ch == nil {
+		shared.RespondEphemeral(s, i, "Failed to load your voice channel.")
+		return nil, 0, 0, false
+	}
+	if ch.Type != discordgo.ChannelTypeGuildVoice {
+		shared.RespondEphemeral(s, i, "This only works in a voice channel.")
+		return nil, 0, 0, false
+	}
+
+	channelID64, err = strconv.ParseInt(ch.ID, 10, 64)
+	if err != nil {
+		shared.RespondEphemeral(s, i, "Invalid channel ID.")
+		return nil, 0, 0, false
+	}
+
+	isTemp, err := services.Global.Meeting.IsTempChannel(context.Background(), guildID64, channelID64)
+	if err != nil || !isTemp {
+		shared.RespondEphemeral(s, i, "This is not a bot-created meeting room.")
+		return nil, 0, 0, false
+	}
+
+	ownerID, ownerOK, err := services.Global.Meeting.GetTempChannelOwner(context.Background(), guildID64, channelID64)
+	if err != nil || !ownerOK {
+		shared.RespondEphemeral(s, i, "Failed to verify meeting room owner.")
+		return nil, 0, 0, false
+	}
+
+	invokerID64, _ := strconv.ParseInt(i.Member.User.ID, 10, 64)
+	if invokerID64 == 0 || ownerID != invokerID64 {
+		shared.RespondEphemeral(s, i, fmt.Sprintf("Only the room creator can do this. (creator: <@%d>)", ownerID))
+		return nil, 0, 0, false
+	}
+
+	return ch, channelID64, guildID64, true
+}
+
+func findMemberVoiceChannelID(s *discordgo.Session, guildID, userID string) (string, bool) {
+	// Prefer session state cache (discordgo tracks voice states there when IntentsGuildVoiceStates is enabled).
+	if s != nil && s.State != nil {
+		if vs, err := s.State.VoiceState(guildID, userID); err == nil && vs != nil {
+			if vs.ChannelID != "" {
+				return vs.ChannelID, true
+			}
+			return "", false
+		}
+		// Fallback to cached guild object (State, not REST).
+		if g, err := s.State.Guild(guildID); err == nil && g != nil {
+			for _, st := range g.VoiceStates {
+				if st != nil && st.UserID == userID {
+					return st.ChannelID, st.ChannelID != ""
+				}
+			}
+		}
+	}
+	return "", false
+}
+

internal/commands/meeting/registry.go

@@ -0,0 +1,14 @@
+package meeting
+
+import (
+	"velox-bot/internal/commands/meeting/public"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+var (
+	Meeting *discordgo.ApplicationCommand = public.Meeting
+)
+
+func MeetingHandler(s *discordgo.Session, i *discordgo.InteractionCreate) { public.MeetingHandler(s, i) }
+

internal/commands/meeting/shared/shared.go

@@ -0,0 +1,66 @@
+package shared
+
+import (
+	"strconv"
+
+	"velox-bot/internal/db/services"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+func RespondEphemeral(s *discordgo.Session, i *discordgo.InteractionCreate, msg string) {
+	_ = s.InteractionRespond(i.Interaction, &discordgo.InteractionResponse{
+		Type: discordgo.InteractionResponseChannelMessageWithSource,
+		Data: &discordgo.InteractionResponseData{
+			Content: msg,
+			Flags:   discordgo.MessageFlagsEphemeral,
+		},
+	})
+}
+
+func RequireGuild(s *discordgo.Session, i *discordgo.InteractionCreate) bool {
+	if i.GuildID == "" {
+		RespondEphemeral(s, i, "This command can only be used in a server.")
+		return false
+	}
+	return true
+}
+
+func RequireManageGuild(s *discordgo.Session, i *discordgo.InteractionCreate) bool {
+	if i.Member == nil || (i.Member.Permissions&discordgo.PermissionManageGuild) == 0 {
+		RespondEphemeral(s, i, "You don't have permission to manage meeting settings.")
+		return false
+	}
+	return true
+}
+
+func RequireMeetingService(s *discordgo.Session, i *discordgo.InteractionCreate) bool {
+	if services.Global == nil || services.Global.Meeting == nil {
+		RespondEphemeral(s, i, "Meeting service is not available.")
+		return false
+	}
+	return true
+}
+
+func ParseGuildID(s *discordgo.Session, i *discordgo.InteractionCreate) (int64, bool) {
+	guildID, err := strconv.ParseInt(i.GuildID, 10, 64)
+	if err != nil {
+		RespondEphemeral(s, i, "Invalid guild ID.")
+		return 0, false
+	}
+	return guildID, true
+}
+
+func SubcommandOptionMap(i *discordgo.InteractionCreate) map[string]*discordgo.ApplicationCommandInteractionDataOption {
+	data := i.ApplicationCommandData()
+	if len(data.Options) == 0 {
+		return map[string]*discordgo.ApplicationCommandInteractionDataOption{}
+	}
+	opts := data.Options[0].Options
+	m := make(map[string]*discordgo.ApplicationCommandInteractionDataOption, len(opts))
+	for _, opt := range opts {
+		m[opt.Name] = opt
+	}
+	return m
+}
+

internal/db/repos/rpsrepo/repo.go

@@ -0,0 +1,76 @@
+package rpsrepo
+
+import (
+	"context"
+	"database/sql"
+)
+
+type Repo struct {
+	db *sql.DB
+}
+
+func NewRepo(db *sql.DB) *Repo {
+	return &Repo{db: db}
+}
+
+func (r *Repo) GetScore(ctx context.Context, guildID int64, userID int64) (int, bool, error) {
+	var score int
+	err := r.db.QueryRowContext(ctx, `
+		SELECT score
+		FROM rps
+		WHERE guild_id = $1 AND user_id = $2
+	`, guildID, userID).Scan(&score)
+	if err == sql.ErrNoRows {
+		return 0, false, nil
+	}
+	if err != nil {
+		return 0, false, err
+	}
+	return score, true, nil
+}
+
+func (r *Repo) SetScore(ctx context.Context, guildID int64, userID int64, score int) error {
+	_, err := r.db.ExecContext(ctx, `
+		INSERT INTO rps (guild_id, user_id, score)
+		VALUES ($1, $2, $3)
+		ON CONFLICT (guild_id, user_id)
+		DO UPDATE SET score = EXCLUDED.score
+	`, guildID, userID, score)
+	return err
+}
+
+type ScoreEntry struct {
+	UserID int64
+	Score  int
+}
+
+func (r *Repo) TopScores(ctx context.Context, guildID int64, limit int) ([]ScoreEntry, error) {
+	if limit <= 0 {
+		limit = 10
+	}
+	rows, err := r.db.QueryContext(ctx, `
+		SELECT user_id, score
+		FROM rps
+		WHERE guild_id = $1
+		ORDER BY score DESC, user_id ASC
+		LIMIT $2
+	`, guildID, limit)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	out := make([]ScoreEntry, 0, limit)
+	for rows.Next() {
+		var e ScoreEntry
+		if err := rows.Scan(&e.UserID, &e.Score); err != nil {
+			return nil, err
+		}
+		out = append(out, e)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return out, nil
+}
+

internal/db/repos/settingsrepo/repo.go

@@ -19,6 +19,96 @@ func NewRepo(db *sql.DB) *Repo {
 	return &Repo{db: db}
 }
 
+func (r *Repo) SetMeetingLobbyChannel(ctx context.Context, guildID int64, lobbyChannelID int64) error {
+	const q = `
+		INSERT INTO meeting_settings (guild_id, lobby_channel_id)
+		VALUES ($1, $2)
+		ON CONFLICT (guild_id)
+		DO UPDATE SET lobby_channel_id = EXCLUDED.lobby_channel_id
+	`
+	_, err := r.db.ExecContext(ctx, q, guildID, lobbyChannelID)
+	return err
+}
+
+func (r *Repo) GetMeetingLobbyChannel(ctx context.Context, guildID int64) (channelID int64, ok bool, err error) {
+	const q = `
+		SELECT lobby_channel_id
+		FROM meeting_settings
+		WHERE guild_id = $1
+	`
+	row := r.db.QueryRowContext(ctx, q, guildID)
+	var ch sql.NullInt64
+	switch err := row.Scan(&ch); err {
+	case nil:
+		if !ch.Valid {
+			return 0, false, nil
+		}
+		return ch.Int64, true, nil
+	case sql.ErrNoRows:
+		return 0, false, nil
+	default:
+		return 0, false, err
+	}
+}
+
+func (r *Repo) AddMeetingTempChannel(ctx context.Context, guildID, channelID, createdBy int64) error {
+	const q = `
+		INSERT INTO meeting_temp_channels (guild_id, channel_id, created_by)
+		VALUES ($1, $2, $3)
+		ON CONFLICT (guild_id, channel_id) DO NOTHING
+	`
+	_, err := r.db.ExecContext(ctx, q, guildID, channelID, createdBy)
+	return err
+}
+
+func (r *Repo) RemoveMeetingTempChannel(ctx context.Context, guildID, channelID int64) error {
+	const q = `
+		DELETE FROM meeting_temp_channels
+		WHERE guild_id = $1 AND channel_id = $2
+	`
+	_, err := r.db.ExecContext(ctx, q, guildID, channelID)
+	return err
+}
+
+func (r *Repo) IsMeetingTempChannel(ctx context.Context, guildID, channelID int64) (bool, error) {
+	const q = `
+		SELECT 1
+		FROM meeting_temp_channels
+		WHERE guild_id = $1 AND channel_id = $2
+	`
+	row := r.db.QueryRowContext(ctx, q, guildID, channelID)
+	var one int
+	switch err := row.Scan(&one); err {
+	case nil:
+		return true, nil
+	case sql.ErrNoRows:
+		return false, nil
+	default:
+		return false, err
+	}
+}
+
+func (r *Repo) GetMeetingTempChannelOwner(ctx context.Context, guildID, channelID int64) (createdBy int64, ok bool, err error) {
+	const q = `
+		SELECT created_by
+		FROM meeting_temp_channels
+		WHERE guild_id = $1 AND channel_id = $2
+	`
+	row := r.db.QueryRowContext(ctx, q, guildID, channelID)
+	var cb sql.NullInt64
+	switch err := row.Scan(&cb); err {
+	case nil:
+		if !cb.Valid {
+			return 0, false, nil
+		}
+		return cb.Int64, true, nil
+	case sql.ErrNoRows:
+		return 0, false, nil
+	default:
+		return 0, false, err
+	}
+}
+
 func (r *Repo) SetLevelSystemEnabled(ctx context.Context, guildID int64, enabled bool) error {
 	const q = `
 		INSERT INTO levelsettings (guild_id, levelsys)

internal/db/services/meeting/service.go

@@ -0,0 +1,40 @@
+package meeting
+
+import (
+	"context"
+
+	"velox-bot/internal/db/repos/settingsrepo"
+)
+
+type Service struct {
+	settings *settingsrepo.Repo
+}
+
+func New(settings *settingsrepo.Repo) *Service {
+	return &Service{settings: settings}
+}
+
+func (s *Service) SetLobbyChannel(ctx context.Context, guildID int64, lobbyChannelID int64) error {
+	return s.settings.SetMeetingLobbyChannel(ctx, guildID, lobbyChannelID)
+}
+
+func (s *Service) GetLobbyChannel(ctx context.Context, guildID int64) (channelID int64, ok bool, err error) {
+	return s.settings.GetMeetingLobbyChannel(ctx, guildID)
+}
+
+func (s *Service) AddTempChannel(ctx context.Context, guildID, channelID, createdBy int64) error {
+	return s.settings.AddMeetingTempChannel(ctx, guildID, channelID, createdBy)
+}
+
+func (s *Service) RemoveTempChannel(ctx context.Context, guildID, channelID int64) error {
+	return s.settings.RemoveMeetingTempChannel(ctx, guildID, channelID)
+}
+
+func (s *Service) IsTempChannel(ctx context.Context, guildID, channelID int64) (bool, error) {
+	return s.settings.IsMeetingTempChannel(ctx, guildID, channelID)
+}
+
+func (s *Service) GetTempChannelOwner(ctx context.Context, guildID, channelID int64) (createdBy int64, ok bool, err error) {
+	return s.settings.GetMeetingTempChannelOwner(ctx, guildID, channelID)
+}
+

internal/db/services/rps/service.go

@@ -0,0 +1,136 @@
+package rps
+
+import (
+	"context"
+	"crypto/rand"
+	"errors"
+	"math/big"
+	"strings"
+
+	"velox-bot/internal/db/repos/rpsrepo"
+)
+
+type Repo interface {
+	GetScore(ctx context.Context, guildID int64, userID int64) (int, bool, error)
+	SetScore(ctx context.Context, guildID int64, userID int64, score int) error
+	TopScores(ctx context.Context, guildID int64, limit int) ([]rpsrepo.ScoreEntry, error)
+}
+
+type Service struct {
+	repo Repo
+}
+
+func New(repo Repo) *Service {
+	return &Service{repo: repo}
+}
+
+type Hand string
+
+const (
+	HandScissors Hand = "✌️"
+	HandPaper    Hand = "✋"
+	HandRock     Hand = "🤜"
+)
+
+func (h Hand) String() string { return string(h) }
+
+func ParseHand(s string) (Hand, bool) {
+	switch strings.TrimSpace(s) {
+	case string(HandScissors):
+		return HandScissors, true
+	case string(HandPaper):
+		return HandPaper, true
+	case string(HandRock):
+		return HandRock, true
+	default:
+		return "", false
+	}
+}
+
+func RandomHand() (Hand, error) {
+	n, err := rand.Int(rand.Reader, big.NewInt(3))
+	if err != nil {
+		return "", err
+	}
+	switch n.Int64() {
+	case 0:
+		return HandScissors, nil
+	case 1:
+		return HandPaper, nil
+	default:
+		return HandRock, nil
+	}
+}
+
+type GameResult string
+
+const (
+	ResultWin  GameResult = "You won!"
+	ResultLose GameResult = "You lost!"
+	ResultTie  GameResult = "It's a tie!"
+)
+
+func DetermineResult(user Hand, bot Hand) GameResult {
+	if user == bot {
+		return ResultTie
+	}
+	switch user {
+	case HandRock:
+		if bot == HandScissors {
+			return ResultWin
+		}
+	case HandPaper:
+		if bot == HandRock {
+			return ResultWin
+		}
+	case HandScissors:
+		if bot == HandPaper {
+			return ResultWin
+		}
+	}
+	return ResultLose
+}
+
+type PlayOutput struct {
+	UserHand Hand
+	BotHand  Hand
+	Result   GameResult
+	Score    int
+}
+
+func (s *Service) Play(ctx context.Context, guildID int64, userID int64, userHand Hand) (PlayOutput, error) {
+	botHand, err := RandomHand()
+	if err != nil {
+		return PlayOutput{}, err
+	}
+	result := DetermineResult(userHand, botHand)
+
+	score, _, err := s.repo.GetScore(ctx, guildID, userID)
+	if err != nil {
+		return PlayOutput{}, err
+	}
+	if result == ResultWin {
+		score++
+		if err := s.repo.SetScore(ctx, guildID, userID, score); err != nil {
+			return PlayOutput{}, err
+		}
+	}
+
+	return PlayOutput{
+		UserHand: userHand,
+		BotHand:  botHand,
+		Result:   result,
+		Score:    score,
+	}, nil
+}
+
+func (s *Service) GetScore(ctx context.Context, guildID int64, userID int64) (int, bool, error) {
+	return s.repo.GetScore(ctx, guildID, userID)
+}
+
+func (s *Service) TopScores(ctx context.Context, guildID int64, limit int) ([]rpsrepo.ScoreEntry, error) {
+	return s.repo.TopScores(ctx, guildID, limit)
+}
+
+var ErrGuildOnly = errors.New("guild only")
+

internal/db/services/services.go

@@ -3,19 +3,25 @@ package services
 import (
 	"velox-bot/internal/db/services/level"
 	"velox-bot/internal/db/services/levelsettings"
+	"velox-bot/internal/db/services/meeting"
+	"velox-bot/internal/db/services/rps"
 )
 
 type Services struct {
 	Level         *level.Service
 	LevelSettings *levelsettings.Service
+	Meeting       *meeting.Service
+	RPS           *rps.Service
 }
 
 var Global *Services
 
-func NewServices(level *level.Service, levelSettings *levelsettings.Service) *Services {
+func NewServices(level *level.Service, levelSettings *levelsettings.Service, meeting *meeting.Service, rps *rps.Service) *Services {
 	s := &Services{
 		Level:         level,
 		LevelSettings: levelSettings,
+		Meeting:       meeting,
+		RPS:           rps,
 	}
 	Global = s
 	return s

internal/diceexpr/diceexpr.go

@@ -0,0 +1,744 @@
+package diceexpr
+
+import (
+	"crypto/rand"
+	"errors"
+	"fmt"
+	"math/big"
+	"sort"
+	"strconv"
+	"strings"
+	"unicode"
+)
+
+type Limits struct {
+	MaxExprLen        int
+	MaxRepeat         int
+	MaxDice           int
+	MaxSides          int
+	MaxAstDepth       int
+	MaxExplosionDepth int
+}
+
+func DefaultLimits() Limits {
+	return Limits{
+		MaxExprLen:        200,
+		MaxRepeat:         25,
+		MaxDice:           300,
+		MaxSides:          1000000,
+		MaxAstDepth:       64,
+		MaxExplosionDepth: 100,
+	}
+}
+
+type EvalResult struct {
+	Total int
+	Trace *Trace
+}
+
+type Trace struct {
+	// Text is a normalized display of the (non-repeat) expression.
+	Text string
+	// Rolls includes all dice rolls (including dropped ones) in encounter order.
+	Rolls []RollGroup
+}
+
+type RollGroup struct {
+	Count int
+	Sides int
+	// Dice is the per-die roll chain; each die may have multiple faces due to explosions.
+	Dice []Die
+	// KeepDrop is the modifier used (kh/kl/dh/dl). Empty if none.
+	KeepDrop string
+	KeepDropN int
+}
+
+type Die struct {
+	Faces []int
+	Kept  bool
+}
+
+type MultiResult struct {
+	Repeat int
+	Items  []EvalResult
+}
+
+func EvalMany(input string, limits Limits) (MultiResult, error) {
+	input = strings.TrimSpace(input)
+	if input == "" {
+		return MultiResult{}, errors.New("empty")
+	}
+	if limits.MaxExprLen > 0 && len(input) > limits.MaxExprLen {
+		return MultiResult{}, errors.New("too long")
+	}
+
+	repeat, expr := splitRepeat(input)
+	if repeat < 1 {
+		repeat = 1
+	}
+	if limits.MaxRepeat > 0 && repeat > limits.MaxRepeat {
+		return MultiResult{}, fmt.Errorf("repeat too large")
+	}
+
+	// Parse once, evaluate many times.
+	p := newParser(expr, limits)
+	ast, err := p.parse()
+	if err != nil {
+		return MultiResult{}, err
+	}
+	norm := formatExpr(ast)
+
+	out := MultiResult{Repeat: repeat, Items: make([]EvalResult, 0, repeat)}
+	for range repeat {
+		e := evaluator{limits: limits}
+		total, trace, err := e.eval(ast)
+		if err != nil {
+			return MultiResult{}, err
+		}
+		trace.Text = norm
+		out.Items = append(out.Items, EvalResult{Total: total, Trace: trace})
+	}
+	return out, nil
+}
+
+func splitRepeat(s string) (int, string) {
+	// Accept "R#expr" where R is positive integer.
+	// We only treat the first '#' as repeat separator if it occurs before any dice operator.
+	// This keeps "d#" or other oddities from being interpreted as repeat.
+	i := strings.IndexByte(s, '#')
+	if i <= 0 {
+		return 1, s
+	}
+	prefix := strings.TrimSpace(s[:i])
+	if prefix == "" {
+		return 1, s
+	}
+	for _, r := range prefix {
+		if !unicode.IsDigit(r) {
+			return 1, s
+		}
+	}
+	n, err := strconv.Atoi(prefix)
+	if err != nil || n <= 0 {
+		return 1, s
+	}
+	return n, strings.TrimSpace(s[i+1:])
+}
+
+// ---- Formatting ----
+
+type FormatOptions struct {
+	BoldMinMax bool
+}
+
+func DefaultFormatOptions() FormatOptions {
+	return FormatOptions{BoldMinMax: true}
+}
+
+func FormatResult(r MultiResult, opts FormatOptions) string {
+	lines := make([]string, 0, len(r.Items))
+	for _, item := range r.Items {
+		lines = append(lines, formatOne(item, opts))
+	}
+	return strings.Join(lines, "\n")
+}
+
+func formatOne(item EvalResult, opts FormatOptions) string {
+	// If there were multiple roll groups, we still show them in sequence, e.g. "[...][...] expr".
+	parts := make([]string, 0, len(item.Trace.Rolls))
+	for _, g := range item.Trace.Rolls {
+		parts = append(parts, formatRollGroup(g, opts))
+	}
+	breakdown := strings.Join(parts, " ")
+	if breakdown == "" {
+		breakdown = "[]"
+	}
+	return fmt.Sprintf("%d \u2190 %s %s", item.Total, breakdown, item.Trace.Text)
+}
+
+func formatRollGroup(g RollGroup, opts FormatOptions) string {
+	items := make([]string, 0, len(g.Dice))
+	for _, d := range g.Dice {
+		items = append(items, formatDie(d, g.Sides, opts))
+	}
+	return "[" + strings.Join(items, ", ") + "]"
+}
+
+func formatDie(d Die, sides int, opts FormatOptions) string {
+	// Chain faces with '+' if exploded.
+	faceParts := make([]string, 0, len(d.Faces))
+	for _, v := range d.Faces {
+		faceParts = append(faceParts, formatFace(v, sides, opts))
+	}
+	txt := strings.Join(faceParts, "+")
+	if len(d.Faces) > 1 {
+		// denote explosion occurred (kept compact)
+		txt = txt + "!"
+	}
+	if !d.Kept {
+		return "~~" + txt + "~~"
+	}
+	return txt
+}
+
+func formatFace(v, sides int, opts FormatOptions) string {
+	if !opts.BoldMinMax {
+		return strconv.Itoa(v)
+	}
+	if v == 1 || v == sides {
+		return "**" + strconv.Itoa(v) + "**"
+	}
+	return strconv.Itoa(v)
+}
+
+// ---- AST / Parser / Evaluator ----
+
+type nodeKind int
+
+const (
+	kindNumber nodeKind = iota
+	kindUnary
+	kindBinary
+	kindDice
+)
+
+type node struct {
+	kind nodeKind
+
+	// number
+	num int
+
+	// unary
+	unOp byte
+	unA  *node
+
+	// binary
+	binOp byte
+	binL  *node
+	binR  *node
+
+	// dice
+	diceCount *node
+	diceSides *node
+	explode   bool
+	keepDrop  string // kh/kl/dh/dl
+	keepN     *node
+}
+
+type parser struct {
+	s      string
+	i      int
+	limits Limits
+	depth  int
+}
+
+func newParser(s string, limits Limits) *parser {
+	return &parser{s: strings.TrimSpace(s), limits: limits}
+}
+
+func (p *parser) parse() (*node, error) {
+	p.skipSpaces()
+	n, err := p.parseExpr()
+	if err != nil {
+		return nil, err
+	}
+	p.skipSpaces()
+	if p.i != len(p.s) {
+		return nil, errors.New("trailing input")
+	}
+	return n, nil
+}
+
+func (p *parser) parseExpr() (*node, error) {
+	// expr = term {( + | - ) term}
+	left, err := p.parseTerm()
+	if err != nil {
+		return nil, err
+	}
+	for {
+		p.skipSpaces()
+		if p.peek() != '+' && p.peek() != '-' {
+			return left, nil
+		}
+		op := p.next()
+		right, err := p.parseTerm()
+		if err != nil {
+			return nil, err
+		}
+		left = &node{kind: kindBinary, binOp: op, binL: left, binR: right}
+	}
+}
+
+func (p *parser) parseTerm() (*node, error) {
+	// term = factor {( * | / ) factor}
+	left, err := p.parseFactor()
+	if err != nil {
+		return nil, err
+	}
+	for {
+		p.skipSpaces()
+		if p.peek() != '*' && p.peek() != '/' {
+			return left, nil
+		}
+		op := p.next()
+		right, err := p.parseFactor()
+		if err != nil {
+			return nil, err
+		}
+		left = &node{kind: kindBinary, binOp: op, binL: left, binR: right}
+	}
+}
+
+func (p *parser) parseFactor() (*node, error) {
+	// factor = unary
+	return p.parseUnary()
+}
+
+func (p *parser) parseUnary() (*node, error) {
+	p.skipSpaces()
+	if p.peek() == '+' || p.peek() == '-' {
+		op := p.next()
+		a, err := p.parseUnary()
+		if err != nil {
+			return nil, err
+		}
+		return &node{kind: kindUnary, unOp: op, unA: a}, nil
+	}
+	return p.parsePrimaryOrDice()
+}
+
+func (p *parser) parsePrimaryOrDice() (*node, error) {
+	p.skipSpaces()
+	if p.peek() == '(' {
+		p.next()
+		p.depth++
+		if p.limits.MaxAstDepth > 0 && p.depth > p.limits.MaxAstDepth {
+			return nil, errors.New("expression too deep")
+		}
+		n, err := p.parseExpr()
+		if err != nil {
+			return nil, err
+		}
+		p.skipSpaces()
+		if p.peek() != ')' {
+			return nil, errors.New("missing )")
+		}
+		p.next()
+		p.depth--
+		return n, nil
+	}
+
+	// Try parse leading number or dice with omitted count.
+	start := p.i
+	num, hasNum, err := p.tryParseInt()
+	if err != nil {
+		return nil, err
+	}
+	p.skipSpaces()
+	if p.peekLower() == 'd' {
+		// dice: [count] d sides [keep/drop] [explode]
+		var countNode *node
+		if hasNum {
+			countNode = &node{kind: kindNumber, num: num}
+		} else {
+			countNode = &node{kind: kindNumber, num: 1}
+		}
+		p.next() // d
+		sidesNode, err := p.parseSides()
+		if err != nil {
+			return nil, err
+		}
+		keepDrop, keepN, err := p.parseKeepDrop()
+		if err != nil {
+			return nil, err
+		}
+		explode := false
+		p.skipSpaces()
+		if p.peek() == '!' {
+			explode = true
+			p.next()
+		}
+		return &node{
+			kind:      kindDice,
+			diceCount: countNode,
+			diceSides: sidesNode,
+			explode:   explode,
+			keepDrop:  keepDrop,
+			keepN:     keepN,
+		}, nil
+	}
+
+	// Not a dice; if we had a number, return number; else error.
+	if hasNum {
+		return &node{kind: kindNumber, num: num}, nil
+	}
+	p.i = start
+	return nil, errors.New("expected number, dice, or (")
+}
+
+func (p *parser) parseSides() (*node, error) {
+	p.skipSpaces()
+	if p.peek() == '%' {
+		p.next()
+		return &node{kind: kindNumber, num: 100}, nil
+	}
+	n, ok, err := p.tryParseInt()
+	if err != nil {
+		return nil, err
+	}
+	if !ok {
+		return nil, errors.New("expected sides")
+	}
+	return &node{kind: kindNumber, num: n}, nil
+}
+
+func (p *parser) parseKeepDrop() (string, *node, error) {
+	p.skipSpaces()
+	// khN klN dhN dlN
+	if p.peekLower() != 'k' && p.peekLower() != 'd' {
+		return "", nil, nil
+	}
+	c1 := p.peekLower()
+	if c1 != 'k' && c1 != 'd' {
+		return "", nil, nil
+	}
+	if p.i+1 >= len(p.s) {
+		return "", nil, nil
+	}
+	c2 := byte(unicode.ToLower(rune(p.s[p.i+1])))
+	if c2 != 'h' && c2 != 'l' {
+		return "", nil, nil
+	}
+	op := string([]byte{c1, c2})
+	p.i += 2
+	n, ok, err := p.tryParseInt()
+	if err != nil {
+		return "", nil, err
+	}
+	if !ok || n <= 0 {
+		return "", nil, errors.New("expected keep/drop count")
+	}
+	return op, &node{kind: kindNumber, num: n}, nil
+}
+
+func (p *parser) tryParseInt() (int, bool, error) {
+	p.skipSpaces()
+	if p.i >= len(p.s) || !unicode.IsDigit(rune(p.s[p.i])) {
+		return 0, false, nil
+	}
+	start := p.i
+	for p.i < len(p.s) && unicode.IsDigit(rune(p.s[p.i])) {
+		p.i++
+	}
+	v, err := strconv.Atoi(p.s[start:p.i])
+	if err != nil {
+		return 0, false, err
+	}
+	return v, true, nil
+}
+
+func (p *parser) skipSpaces() {
+	for p.i < len(p.s) && unicode.IsSpace(rune(p.s[p.i])) {
+		p.i++
+	}
+}
+
+func (p *parser) peek() byte {
+	if p.i >= len(p.s) {
+		return 0
+	}
+	return p.s[p.i]
+}
+
+func (p *parser) peekLower() byte {
+	if p.i >= len(p.s) {
+		return 0
+	}
+	return byte(unicode.ToLower(rune(p.s[p.i])))
+}
+
+func (p *parser) next() byte {
+	if p.i >= len(p.s) {
+		return 0
+	}
+	b := p.s[p.i]
+	p.i++
+	return b
+}
+
+func normalizeSpaces(s string) string {
+	// Keep compact: remove spaces entirely, but preserve leading repeat already stripped outside.
+	var b strings.Builder
+	b.Grow(len(s))
+	for _, r := range s {
+		if !unicode.IsSpace(r) {
+			b.WriteRune(r)
+		}
+	}
+	return b.String()
+}
+
+// formatExpr renders a canonical expression with explicit dice counts and
+// spaces around binary operators.
+func formatExpr(n *node) string {
+	return formatExprPrec(n, 0)
+}
+
+func formatExprPrec(n *node, parentPrec int) string {
+	switch n.kind {
+	case kindNumber:
+		return strconv.Itoa(n.num)
+	case kindUnary:
+		inner := formatExprPrec(n.unA, 3)
+		if n.unOp == '+' {
+			return inner
+		}
+		return string(n.unOp) + inner
+	case kindDice:
+		// count and sides are currently numbers, but we keep it generic.
+		count := formatExprPrec(n.diceCount, 4)
+		sides := formatExprPrec(n.diceSides, 4)
+		out := count + "d" + sides
+		if n.keepDrop != "" && n.keepN != nil {
+			out += n.keepDrop + formatExprPrec(n.keepN, 4)
+		}
+		if n.explode {
+			out += "!"
+		}
+		return out
+	case kindBinary:
+		prec := binPrec(n.binOp)
+		l := formatExprPrec(n.binL, prec)
+		r := formatExprPrec(n.binR, prec+1)
+		out := l + " " + string(n.binOp) + " " + r
+		if prec < parentPrec {
+			return "(" + out + ")"
+		}
+		return out
+	default:
+		return ""
+	}
+}
+
+func binPrec(op byte) int {
+	switch op {
+	case '+', '-':
+		return 1
+	case '*', '/':
+		return 2
+	default:
+		return 0
+	}
+}
+
+type evaluator struct {
+	limits Limits
+	dice   int
+}
+
+func (e *evaluator) eval(n *node) (int, *Trace, error) {
+	t := &Trace{}
+	v, err := e.evalNode(n, t)
+	if err != nil {
+		return 0, nil, err
+	}
+	return v, t, nil
+}
+
+func (e *evaluator) evalNode(n *node, t *Trace) (int, error) {
+	switch n.kind {
+	case kindNumber:
+		return n.num, nil
+	case kindUnary:
+		v, err := e.evalNode(n.unA, t)
+		if err != nil {
+			return 0, err
+		}
+		switch n.unOp {
+		case '+':
+			return v, nil
+		case '-':
+			return -v, nil
+		default:
+			return 0, errors.New("bad unary op")
+		}
+	case kindBinary:
+		l, err := e.evalNode(n.binL, t)
+		if err != nil {
+			return 0, err
+		}
+		r, err := e.evalNode(n.binR, t)
+		if err != nil {
+			return 0, err
+		}
+		switch n.binOp {
+		case '+':
+			return l + r, nil
+		case '-':
+			return l - r, nil
+		case '*':
+			return l * r, nil
+		case '/':
+			if r == 0 {
+				return 0, errors.New("division by zero")
+			}
+			return l / r, nil
+		default:
+			return 0, errors.New("bad binary op")
+		}
+	case kindDice:
+		return e.evalDice(n, t)
+	default:
+		return 0, errors.New("unknown node")
+	}
+}
+
+func (e *evaluator) evalDice(n *node, t *Trace) (int, error) {
+	count, err := e.evalNode(n.diceCount, t)
+	if err != nil {
+		return 0, err
+	}
+	sides, err := e.evalNode(n.diceSides, t)
+	if err != nil {
+		return 0, err
+	}
+	if count <= 0 || sides <= 0 {
+		return 0, errors.New("invalid dice")
+	}
+	if e.limits.MaxDice > 0 && e.dice+count > e.limits.MaxDice {
+		return 0, errors.New("too many dice")
+	}
+	if e.limits.MaxSides > 0 && sides > e.limits.MaxSides {
+		return 0, errors.New("sides too large")
+	}
+	e.dice += count
+
+	keepDrop := n.keepDrop
+	keepN := 0
+	if n.keepN != nil {
+		keepN, err = e.evalNode(n.keepN, t)
+		if err != nil {
+			return 0, err
+		}
+	}
+	if keepDrop != "" && keepN <= 0 {
+		return 0, errors.New("invalid keep/drop")
+	}
+	if keepDrop != "" && keepN > count {
+		keepN = count
+	}
+
+	g := RollGroup{
+		Count:     count,
+		Sides:     sides,
+		Dice:      make([]Die, 0, count),
+		KeepDrop:  keepDrop,
+		KeepDropN: keepN,
+	}
+
+	type dieScore struct {
+		idx   int
+		score int
+	}
+	scores := make([]dieScore, 0, count)
+
+	// Roll base dice.
+	for i := 0; i < count; i++ {
+		faces, err := rollExploding(sides, n.explode, e.limits.MaxExplosionDepth)
+		if err != nil {
+			return 0, err
+		}
+		sum := 0
+		for _, v := range faces {
+			sum += v
+		}
+		g.Dice = append(g.Dice, Die{Faces: faces, Kept: true})
+		scores = append(scores, dieScore{idx: i, score: sum})
+	}
+
+	// Apply keep/drop to base dice by comparing chain sums.
+	if keepDrop != "" {
+		sort.SliceStable(scores, func(i, j int) bool { return scores[i].score < scores[j].score })
+
+		kept := make(map[int]bool, count)
+		switch keepDrop {
+		case "kh":
+			for i := len(scores) - keepN; i < len(scores); i++ {
+				if i >= 0 && i < len(scores) {
+					kept[scores[i].idx] = true
+				}
+			}
+		case "kl":
+			for i := 0; i < keepN && i < len(scores); i++ {
+				kept[scores[i].idx] = true
+			}
+		case "dh":
+			// drop highest N => keep all except highest N
+			for i := 0; i < len(scores)-keepN; i++ {
+				if i >= 0 && i < len(scores) {
+					kept[scores[i].idx] = true
+				}
+			}
+		case "dl":
+			// drop lowest N => keep highest count-N
+			for i := keepN; i < len(scores); i++ {
+				kept[scores[i].idx] = true
+			}
+		default:
+			return 0, errors.New("unknown keep/drop")
+		}
+		for i := range g.Dice {
+			g.Dice[i].Kept = kept[i]
+		}
+	}
+
+	// Sum kept dice.
+	total := 0
+	for _, d := range g.Dice {
+		if !d.Kept {
+			continue
+		}
+		for _, v := range d.Faces {
+			total += v
+		}
+	}
+
+	t.Rolls = append(t.Rolls, g)
+	return total, nil
+}
+
+func rollExploding(sides int, explode bool, maxDepth int) ([]int, error) {
+	v, err := roll1(sides)
+	if err != nil {
+		return nil, err
+	}
+	out := []int{v}
+	if !explode {
+		return out, nil
+	}
+	depth := 0
+	for v == sides {
+		depth++
+		if maxDepth > 0 && depth > maxDepth {
+			return nil, errors.New("explosion depth limit")
+		}
+		v, err = roll1(sides)
+		if err != nil {
+			return nil, err
+		}
+		out = append(out, v)
+	}
+	return out, nil
+}
+
+func roll1(sides int) (int, error) {
+	if sides <= 0 {
+		return 0, errors.New("bad sides")
+	}
+	n, err := rand.Int(rand.Reader, big.NewInt(int64(sides)))
+	if err != nil {
+		return 0, err
+	}
+	return int(n.Int64()) + 1, nil
+}
+

internal/events/meeting_voice.go

@@ -0,0 +1,116 @@
+package events
+
+import (
+	"context"
+	"fmt"
+	"log"
+	"strconv"
+	"time"
+
+	"velox-bot/internal/db/services"
+
+	"github.com/bwmarrin/discordgo"
+)
+
+// HandleVoiceStateUpdate implements the "meeting lobby" behavior:
+// - When a user joins the configured lobby voice channel, create a temporary voice channel
+//   with the same UserLimit and move the user into it.
+// - When a temporary channel becomes empty, delete it.
+func HandleVoiceStateUpdate(s *discordgo.Session, vs *discordgo.VoiceStateUpdate, svc *services.Services) {
+	if svc == nil || svc.Meeting == nil {
+		return
+	}
+	if vs == nil || vs.VoiceState == nil {
+		return
+	}
+	if vs.GuildID == "" || vs.UserID == "" {
+		return
+	}
+
+	ctx := context.Background()
+	guildID64, _ := strconv.ParseInt(vs.GuildID, 10, 64)
+
+	// Clean up the channel the user left (if any)
+	if vs.BeforeUpdate != nil && vs.BeforeUpdate.ChannelID != "" {
+		tryCleanupTempChannel(s, ctx, svc, vs.GuildID, guildID64, vs.BeforeUpdate.ChannelID)
+	}
+
+	// If not joining a channel (disconnect), nothing else to do.
+	if vs.ChannelID == "" {
+		return
+	}
+
+	lobbyID, ok, err := svc.Meeting.GetLobbyChannel(ctx, guildID64)
+	if err != nil || !ok || lobbyID == 0 {
+		return
+	}
+	if vs.ChannelID != strconv.FormatInt(lobbyID, 10) {
+		return
+	}
+
+	lobbyCh, err := s.Channel(vs.ChannelID)
+	if err != nil || lobbyCh == nil {
+		return
+	}
+
+	// Create the new channel in the same category as the lobby, with same user limit.
+	newName := fmt.Sprintf("%s • %s", lobbyCh.Name, time.Now().Format("15:04"))
+	newCh, err := s.GuildChannelCreateComplex(vs.GuildID, discordgo.GuildChannelCreateData{
+		Name:      newName,
+		Type:      discordgo.ChannelTypeGuildVoice,
+		ParentID:  lobbyCh.ParentID,
+		UserLimit: lobbyCh.UserLimit,
+		Bitrate:   lobbyCh.Bitrate,
+	})
+	if err != nil || newCh == nil {
+		log.Printf("meeting: failed creating temp channel guild=%s user=%s err=%v", vs.GuildID, vs.UserID, err)
+		return
+	}
+
+	newChID64, _ := strconv.ParseInt(newCh.ID, 10, 64)
+	_ = svc.Meeting.AddTempChannel(ctx, guildID64, newChID64, mustParseInt64(vs.UserID))
+
+	// Move the user into the new channel.
+	targetID := newCh.ID
+	if err := s.GuildMemberMove(vs.GuildID, vs.UserID, &targetID); err != nil {
+		log.Printf("meeting: failed moving member guild=%s user=%s channel=%s err=%v", vs.GuildID, vs.UserID, newCh.ID, err)
+		// If move fails, delete the channel to avoid junk.
+		_, _ = s.ChannelDelete(newCh.ID)
+		_ = svc.Meeting.RemoveTempChannel(ctx, guildID64, newChID64)
+		return
+	}
+}
+
+func tryCleanupTempChannel(s *discordgo.Session, ctx context.Context, svc *services.Services, guildID string, guildID64 int64, channelID string) {
+	chID64, err := strconv.ParseInt(channelID, 10, 64)
+	if err != nil || chID64 == 0 {
+		return
+	}
+	isTemp, err := svc.Meeting.IsTempChannel(ctx, guildID64, chID64)
+	if err != nil || !isTemp {
+		return
+	}
+
+	// Check if anyone is still in the channel.
+	// IMPORTANT: don't use REST `s.Guild(...)` here; it doesn't include VoiceStates.
+	// Use the session state cache (requires IntentsGuildVoiceStates).
+	if s == nil || s.State == nil {
+		return
+	}
+	g, err := s.State.Guild(guildID)
+	if err != nil || g == nil {
+		return
+	}
+	for _, st := range g.VoiceStates {
+		if st != nil && st.ChannelID == channelID {
+			return
+		}
+	}
+
+	if _, err := s.ChannelDelete(channelID); err != nil {
+		// If already deleted, still remove from DB.
+		log.Printf("meeting: failed deleting empty temp channel guild=%s channel=%s err=%v", guildID, channelID, err)
+	}
+	_ = svc.Meeting.RemoveTempChannel(ctx, guildID64, chID64)
+}
+

main.go

@@ -11,10 +11,13 @@ import (
 	"velox-bot/internal/config"
 	"velox-bot/internal/db"
 	"velox-bot/internal/db/repos/levelrepo"
+	"velox-bot/internal/db/repos/rpsrepo"
 	"velox-bot/internal/db/repos/settingsrepo"
 	"velox-bot/internal/db/services"
 	"velox-bot/internal/db/services/level"
 	"velox-bot/internal/db/services/levelsettings"
+	"velox-bot/internal/db/services/meeting"
+	"velox-bot/internal/db/services/rps"
 )
 
 func main() {
@@ -33,9 +36,12 @@ func main() {
 
 	levelRepo := levelrepo.NewRepo(db)
 	settingsRepo := settingsrepo.NewRepo(db)
+	rpsRepo := rpsrepo.NewRepo(db)
 	levelService := level.New(levelRepo, settingsRepo)
 	levelSettingsService := levelsettings.New(settingsRepo)
-	services := services.NewServices(levelService, levelSettingsService)
+	meetingService := meeting.New(settingsRepo)
+	rpsService := rps.New(rpsRepo)
+	services := services.NewServices(levelService, levelSettingsService, meetingService, rpsService)
 
 	bot, err := bot.NewBot(config.BotToken, config.AppID, config.GuildID, commands.AllCommands, services)
 	if err != nil {

schema.sql

@@ -68,4 +68,18 @@ CREATE TABLE IF NOT EXISTS logsettings (
     is_enabled BOOLEAN NOT NULL DEFAULT FALSE
 );
 
+-- Meeting rooms (voice lobby -> auto-created temporary voice channels)
+CREATE TABLE IF NOT EXISTS meeting_settings (
+    guild_id BIGINT PRIMARY KEY,
+    lobby_channel_id BIGINT
+);
+
+CREATE TABLE IF NOT EXISTS meeting_temp_channels (
+    guild_id BIGINT NOT NULL,
+    channel_id BIGINT NOT NULL,
+    created_by BIGINT NOT NULL,
+    created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
+    PRIMARY KEY (guild_id, channel_id)
+);
+
 --