feat(client_web): dice visual hints

client_web/assets/style.css

@@ -56,6 +56,20 @@ input[type="text"] {
     max-width: 900px;
 }
 
+.top-bar {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    width: 100%;
+}
+
+.quit-link {
+    font-size: 0.85rem;
+    color: #5a4a2a;
+    text-decoration: underline;
+    cursor: pointer;
+}
+
 /* ── Score panel ────────────────────────────────────────────────────── */
 .score-panel {
     display: flex;
@@ -78,9 +92,36 @@ input[type="text"] {
     font-weight: 500;
 }
 .dice { font-weight: bold; color: #2a4a8a; }
+.dice-used { opacity: 0.35; text-decoration: line-through; }
 
 .action-bar { display: flex; gap: 0.75rem; min-height: 2.5rem; }
 
+/* ── Jan panel ──────────────────────────────────────────────────────── */
+.jan-panel {
+    display: flex;
+    flex-direction: column;
+    gap: 2px;
+    background: #f5edd8;
+    border-radius: 6px;
+    padding: 0.4rem 1rem;
+    font-size: 0.9rem;
+    box-shadow: 0 1px 4px rgba(0,0,0,0.15);
+    min-width: 260px;
+}
+
+.jan-row {
+    display: flex;
+    justify-content: space-between;
+    gap: 1.5rem;
+    padding: 1px 0;
+}
+
+.jan-positive { color: #1a5c1a; }
+.jan-negative { color: #8b1a1a; }
+
+.jan-label { flex: 1; }
+.jan-pts    { font-weight: bold; text-align: right; min-width: 36px; }
+
 /* ── Board ──────────────────────────────────────────────────────────── */
 .board {
     background: #2e6b2e;

client_web/src/app.rs

@@ -22,6 +22,7 @@ pub struct GameUiState {
     pub view_state: ViewState,
     /// 0 = host, 1 = guest
     pub player_id: u16,
+    pub room_id: String,
 }
 
 /// Which screen is currently shown.
@@ -34,8 +35,12 @@ pub enum Screen {
 
 /// Commands sent from UI event handlers into the network task.
 pub enum NetCommand {
-    CreateRoom { room: String },
+    CreateRoom {
-    JoinRoom { room: String },
+        room: String,
+    },
+    JoinRoom {
+        room: String,
+    },
     Reconnect {
         relay_url: String,
         game_id: String,
@@ -221,6 +226,7 @@ pub fn App() -> impl IntoView {
                             screen.set(Screen::Playing(GameUiState {
                                 view_state: vs.clone(),
                                 player_id,
+                                room_id: room_id_for_storage.clone(),
                             }));
                         }
                         Some(SessionEvent::Disconnected(reason)) => {

client_web/src/components/board.rs

@@ -1,8 +1,6 @@
-use futures::channel::mpsc::UnboundedSender;
 use leptos::prelude::*;
 
-use crate::app::NetCommand;
+use crate::trictrac::types::{SerTurnStage, ViewState};
-use crate::trictrac::types::{PlayerAction, SerTurnStage, ViewState};
 
 /// Field numbers in visual display order (left-to-right for each quarter).
 const TOP_LEFT:  [u8; 6] = [13, 14, 15, 16, 17, 18];
@@ -10,59 +8,89 @@ const TOP_RIGHT: [u8; 6] = [19, 20, 21, 22, 23, 24];
 const BOT_LEFT:  [u8; 6] = [12, 11, 10,  9,  8,  7];
 const BOT_RIGHT: [u8; 6] = [ 6,  5,  4,  3,  2,  1];
 
-#[component]
+/// Returns the displayed board value for `field_num` after applying `staged_moves`.
-pub fn Board(view_state: ViewState, player_id: u16) -> impl IntoView {
+/// `is_white`: true when the local player's checkers are positive (host = white).
-    let selected: RwSignal<Option<u8>> = RwSignal::new(None);
+fn displayed_value(
-    let cmd_tx = use_context::<UnboundedSender<NetCommand>>()
+    base_board: [i8; 24],
-        .expect("UnboundedSender<NetCommand> not found in context");
+    staged_moves: &[(u8, u8)],
+    is_white: bool,
+    field_num: u8,
+) -> i8 {
+    let mut val = base_board[(field_num - 1) as usize];
+    let delta: i8 = if is_white { 1 } else { -1 };
+    for &(from, to) in staged_moves {
+        if from == field_num { val -= delta; }
+        if to == field_num  { val += delta; }
+    }
+    val
+}
 
+#[component]
+pub fn Board(
+    view_state: ViewState,
+    player_id: u16,
+    /// Pending origin selection (first click of a move pair).
+    selected_origin: RwSignal<Option<u8>>,
+    /// Moves staged so far this turn (max 2). Each entry is (from, to), 0 = empty move.
+    staged_moves: RwSignal<Vec<(u8, u8)>>,
+) -> impl IntoView {
     let board = view_state.board;
     let is_move_stage = view_state.active_mp_player == Some(player_id)
-        && view_state.turn_stage == SerTurnStage::Move;
+        && matches!(view_state.turn_stage, SerTurnStage::Move | SerTurnStage::HoldOrGoChoice);
+    let is_white = player_id == 0;
 
-    // Build a Vec<AnyView> for a slice of field numbers.
-    // `fields_from` borrows `board`, `cmd_tx` and copies `selected`, `is_move_stage`, `player_id`.
     let fields_from = |nums: &[u8]| -> Vec<AnyView> {
         nums.iter().map(|&field_num| {
-            let value: i8 = board[(field_num - 1) as usize];
-            let count = value.unsigned_abs();
-            let checker_color = if value > 0 { "white" } else { "black" };
-            let is_my_checker = if player_id == 0 { value > 0 } else { value < 0 };
-            let cmd = cmd_tx.clone();
-
             view! {
                 <div
                     class=move || {
-                        let sel = selected.get();
+                        let moves = staged_moves.get();
+                        let val = displayed_value(board, &moves, is_white, field_num);
+                        let is_mine = if is_white { val > 0 } else { val < 0 };
+                        let can_stage = is_move_stage && moves.len() < 2;
+                        let sel = selected_origin.get();
+
                         let mut cls = "field".to_string();
-                        let clickable = is_move_stage
+                        if can_stage && (sel.is_some() || is_mine) {
-                            && (sel.is_some() || is_my_checker);
+                            cls.push_str(" clickable");
-                        if clickable { cls.push_str(" clickable"); }
+                        }
                         if sel == Some(field_num) { cls.push_str(" selected"); }
-                        if is_move_stage && sel.is_some() && sel != Some(field_num) {
+                        if can_stage && sel.is_some() && sel != Some(field_num) {
                             cls.push_str(" dest");
                         }
                         cls
                     }
                     on:click=move |_| {
                         if !is_move_stage { return; }
-                        match selected.get() {
+                        if staged_moves.get_untracked().len() >= 2 { return; }
-                            Some(origin) if origin == field_num => selected.set(None),
+
-                            Some(origin) => {
+                        let moves = staged_moves.get_untracked();
-                                cmd.unbounded_send(NetCommand::Action(
+                        let val = displayed_value(board, &moves, is_white, field_num);
-                                    PlayerAction::Move { from: origin, to: field_num },
+                        let is_mine = if is_white { val > 0 } else { val < 0 };
-                                )).ok();
+
-                                selected.set(None);
+                        match selected_origin.get_untracked() {
+                            Some(origin) if origin == field_num => {
+                                selected_origin.set(None);
                             }
-                            None if is_my_checker => selected.set(Some(field_num)),
+                            Some(origin) => {
+                                staged_moves.update(|v| v.push((origin, field_num)));
+                                selected_origin.set(None);
+                            }
+                            None if is_mine => selected_origin.set(Some(field_num)),
                             None => {}
                         }
                     }
                 >
                     <span class="field-num">{field_num}</span>
-                    {(count > 0).then(|| view! {
+                    {move || {
-                        <span class=format!("checkers {checker_color}")>{count}</span>
+                        let moves = staged_moves.get();
-                    })}
+                        let val = displayed_value(board, &moves, is_white, field_num);
+                        let count = val.unsigned_abs();
+                        (count > 0).then(|| {
+                            let color = if val > 0 { "white" } else { "black" };
+                            view! { <span class=format!("checkers {color}")>{count}</span> }
+                        })
+                    }}
                 </div>
             }
             .into_any()
@@ -70,23 +98,18 @@ pub fn Board(view_state: ViewState, player_id: u16) -> impl IntoView {
         .collect()
     };
 
-    let top_left  = fields_from(&TOP_LEFT);
-    let top_right = fields_from(&TOP_RIGHT);
-    let bot_left  = fields_from(&BOT_LEFT);
-    let bot_right = fields_from(&BOT_RIGHT);
-
     view! {
         <div class="board">
             <div class="board-row top-row">
-                <div class="board-quarter">{top_left}</div>
+                <div class="board-quarter">{fields_from(&TOP_LEFT)}</div>
                 <div class="board-bar"></div>
-                <div class="board-quarter">{top_right}</div>
+                <div class="board-quarter">{fields_from(&TOP_RIGHT)}</div>
             </div>
             <div class="board-center-bar"></div>
             <div class="board-row bot-row">
-                <div class="board-quarter">{bot_left}</div>
+                <div class="board-quarter">{fields_from(&BOT_LEFT)}</div>
                 <div class="board-bar"></div>
-                <div class="board-quarter">{bot_right}</div>
+                <div class="board-quarter">{fields_from(&BOT_RIGHT)}</div>
             </div>
         </div>
     }

client_web/src/components/game_screen.rs

@@ -1,5 +1,6 @@
 use futures::channel::mpsc::UnboundedSender;
 use leptos::prelude::*;
+use trictrac_store::{CheckerMove, Jan};
 
 use crate::app::{GameUiState, NetCommand};
 use crate::trictrac::types::{PlayerAction, SerStage, SerTurnStage};
@@ -7,43 +8,141 @@ use crate::trictrac::types::{PlayerAction, SerStage, SerTurnStage};
 use super::board::Board;
 use super::score_panel::ScorePanel;
 
+#[allow(dead_code)]
+/// Returns (d0_used, d1_used) by matching each staged move's distance to a die.
+/// Falls back to position order for exit moves (distance doesn't match any die).
+fn matched_dice_used(staged: &[(u8, u8)], dice: (u8, u8)) -> (bool, bool) {
+    let mut d0 = false;
+    let mut d1 = false;
+    for &(from, to) in staged {
+        let dist = to.saturating_sub(from); // 0 for empty/same-field moves
+        if !d0 && dist == dice.0 {
+            d0 = true;
+        } else if !d1 && dist == dice.1 {
+            d1 = true;
+        } else if !d0 {
+            d0 = true;
+        } else {
+            d1 = true;
+        }
+    }
+    (d0, d1)
+}
+
+fn jan_label(jan: &Jan) -> &'static str {
+    match jan {
+        Jan::FilledQuarter => "Rempli",
+        Jan::TrueHitSmallJan => "Atteinte vraie (petit jan)",
+        Jan::TrueHitBigJan => "Atteinte vraie (grand jan)",
+        Jan::TrueHitOpponentCorner => "Atteinte coin adverse",
+        Jan::FirstPlayerToExit => "Premier sorti",
+        Jan::SixTables => "Six tables",
+        Jan::TwoTables => "Deux tables",
+        Jan::Mezeas => "Mezeas",
+        Jan::FalseHitSmallJan => "Faux (petit jan)",
+        Jan::FalseHitBigJan => "Faux (grand jan)",
+        Jan::ContreTwoTables => "Contre deux tables",
+        Jan::ContreMezeas => "Contre mezeas",
+        Jan::HelplessMan => "Homme en route",
+    }
+}
+
 #[component]
 pub fn GameScreen(state: GameUiState) -> impl IntoView {
     let vs = state.view_state.clone();
     let player_id = state.player_id;
     let is_my_turn = vs.active_mp_player == Some(player_id);
+    let is_move_stage = is_my_turn
+        && matches!(
+            vs.turn_stage,
+            SerTurnStage::Move | SerTurnStage::HoldOrGoChoice
+        );
 
+    // ── Staged move state ──────────────────────────────────────────────────────
+    let selected_origin: RwSignal<Option<u8>> = RwSignal::new(None);
+    let staged_moves: RwSignal<Vec<(u8, u8)>> = RwSignal::new(Vec::new());
+
+    // When both move slots are filled, send the action to the backend.
+    let cmd_tx = use_context::<UnboundedSender<NetCommand>>()
+        .expect("UnboundedSender<NetCommand> not found in context");
+    let cmd_tx_effect = cmd_tx.clone();
+    Effect::new(move |_| {
+        let moves = staged_moves.get();
+        if moves.len() == 2 {
+            let to_cm = |&(from, to): &(u8, u8)| {
+                CheckerMove::new(from as usize, to as usize).unwrap_or_default()
+            };
+            cmd_tx_effect
+                .unbounded_send(NetCommand::Action(PlayerAction::Move(
+                    to_cm(&moves[0]),
+                    to_cm(&moves[1]),
+                )))
+                .ok();
+            staged_moves.set(vec![]);
+            selected_origin.set(None);
+        }
+    });
+
+    // ── Status text ────────────────────────────────────────────────────────────
     let status = match &vs.stage {
         SerStage::Ended => "Game over".to_string(),
         SerStage::PreGame => "Waiting for opponent…".to_string(),
         SerStage::InGame => match (is_my_turn, &vs.turn_stage) {
             (true, SerTurnStage::RollDice) => "Your turn — roll the dice".to_string(),
             (true, SerTurnStage::HoldOrGoChoice) => "Hold or Go?".to_string(),
-            (true, SerTurnStage::Move) => "Your turn — move a checker".to_string(),
+            (true, SerTurnStage::Move) => "Select move 1 of 2".to_string(),
             (true, _) => "Your turn".to_string(),
             (false, _) => "Opponent's turn".to_string(),
         },
     };
 
-    let dice_text = if vs.dice != (0, 0) {
+    let dice = vs.dice;
-        format!("Dice: {} & {}", vs.dice.0, vs.dice.1)
-    } else {
-        String::new()
-    };
 
-    let cmd_tx = use_context::<UnboundedSender<NetCommand>>()
+    // ── Action bar buttons ─────────────────────────────────────────────────────
-        .expect("UnboundedSender<NetCommand> not found in context");
     let cmd_tx2 = cmd_tx.clone();
-
+    let cmd_tx_quit = cmd_tx.clone();
     let show_roll = is_my_turn && vs.turn_stage == SerTurnStage::RollDice;
     let show_hold_go = is_my_turn && vs.turn_stage == SerTurnStage::HoldOrGoChoice;
 
     view! {
         <div class="game-container">
+            <div class="top-bar">
+                <span>{state.room_id}</span>
+                <a class="quit-link" href="#" on:click=move |e| {
+                    e.prevent_default();
+                    cmd_tx_quit.unbounded_send(NetCommand::Disconnect).ok();
+                }>"Quit"</a>
+            </div>
             <ScorePanel scores=vs.scores.clone() player_id=player_id />
             <div class="status-bar">
-                <span>{status}</span>
+                <span>{move || {
-                {(!dice_text.is_empty()).then(|| view! { <span class="dice">{dice_text}</span> })}
+                    if is_move_stage {
+                        let n = staged_moves.get().len();
+                        format!("Select move {} of 2", n + 1)
+                    } else {
+                        status.clone()
+                    }
+                }}</span>
+                {(dice != (0, 0)).then(|| view! {
+                    <span class="dice-label">"Dice: "</span>
+                    <span class={move || {
+                        let (d0, _) = if is_move_stage {
+                            matched_dice_used(&staged_moves.get(), dice)
+                        } else {
+                            (!is_my_turn || !is_move_stage, !is_my_turn || !is_move_stage)
+                        };
+                        if d0 { "dice dice-used" } else { "dice" }
+                    }}>{dice.0}</span>
+                    <span class="dice-sep">" & "</span>
+                    <span class={move || {
+                        let (_, d1) = if is_move_stage {
+                            matched_dice_used(&staged_moves.get(), dice)
+                        } else {
+                            (!is_my_turn || !is_move_stage, !is_my_turn || !is_move_stage)
+                        };
+                        if d1 { "dice dice-used" } else { "dice" }
+                    }}>{dice.1}</span>
+                })}
             </div>
             <div class="action-bar">
                 {show_roll.then(|| view! {
@@ -52,21 +151,45 @@ pub fn GameScreen(state: GameUiState) -> impl IntoView {
                     }>"Roll dice"</button>
                 })}
                 {show_hold_go.then(|| view! {
-                    <button class="btn btn-secondary" on:click=move |_| {
-                        cmd_tx2.unbounded_send(NetCommand::Action(PlayerAction::Mark)).ok();
-                    }>"Hold"</button>
-                })}
-                {show_hold_go.then(|| {
-                    let cmd_tx3 = use_context::<UnboundedSender<NetCommand>>()
-                        .expect("UnboundedSender<NetCommand> not found in context");
-                    view! {
                     <button class="btn btn-primary" on:click=move |_| {
-                            cmd_tx3.unbounded_send(NetCommand::Action(PlayerAction::Go)).ok();
+                        cmd_tx2.unbounded_send(NetCommand::Action(PlayerAction::Go)).ok();
                     }>"Go"</button>
+                })}
+                {is_move_stage.then(|| view! {
+                    <button
+                        class="btn btn-secondary"
+                        disabled=move || 2 <= staged_moves.get().len()
+                        on:click=move |_| {
+                            selected_origin.set(None);
+                            staged_moves.update(|v| v.push((0, 0)));
                         }
+                    >"Empty move"</button>
                 })}
             </div>
-            <Board view_state=vs player_id=player_id />
+            {(!vs.dice_jans.is_empty()).then(|| {
+                let rows: Vec<_> = vs.dice_jans.iter().map(|(jan, pts)| {
+                    let label = jan_label(jan);
+                    let pts_str = if *pts >= 0 {
+                        format!("+{}", pts)
+                    } else {
+                        format!("{}", pts)
+                    };
+                    let row_class = if *pts >= 0 { "jan-row jan-positive" } else { "jan-row jan-negative" };
+                    view! {
+                        <div class=row_class>
+                            <span class="jan-label">{label}</span>
+                            <span class="jan-pts">{pts_str}</span>
+                        </div>
+                    }
+                }).collect();
+                view! { <div class="jan-panel">{rows}</div> }
+            })}
+            <Board
+                view_state=vs
+                player_id=player_id
+                selected_origin=selected_origin
+                staged_moves=staged_moves
+            />
         </div>
     }
 }

client_web/src/trictrac/backend.rs

@@ -1,5 +1,5 @@
 use backbone_lib::traits::{BackEndArchitecture, BackendCommand};
-use trictrac_store::{CheckerMove, DiceRoller, GameEvent, GameState, TurnStage};
+use trictrac_store::{DiceRoller, GameEvent, GameState, TurnStage};
 
 use crate::trictrac::types::{GameDelta, PlayerAction, ViewState};
 
@@ -14,19 +14,18 @@ pub struct TrictracBackend {
     view_state: ViewState,
     /// Arrival flags: have host (index 0) and guest (index 1) joined?
     arrived: [bool; 2],
-    /// First move of the current pair, waiting for the second.
-    pending_first_move: Option<CheckerMove>,
 }
 
 impl TrictracBackend {
     fn sync_view_state(&mut self) {
-        self.view_state =
+        self.view_state = ViewState::from_game_state(&self.game, HOST_PLAYER_ID, GUEST_PLAYER_ID);
-            ViewState::from_game_state(&self.game, HOST_PLAYER_ID, GUEST_PLAYER_ID);
     }
 
     fn broadcast_state(&mut self) {
         self.sync_view_state();
-        let delta = GameDelta { state: self.view_state.clone() };
+        let delta = GameDelta {
+            state: self.view_state.clone(),
+        };
         self.commands.push(BackendCommand::Delta(delta));
     }
 
@@ -35,7 +34,9 @@ impl TrictracBackend {
         let dice = self.dice_roller.roll();
         let player_id = self.game.active_player_id;
         let _ = self.game.consume(&GameEvent::Roll { player_id });
-        let _ = self.game.consume(&GameEvent::RollResult { player_id, dice });
+        let _ = self
+            .game
+            .consume(&GameEvent::RollResult { player_id, dice });
 
         // Drive automatic stages that require no player input.
         self.drive_automatic_stages();
@@ -65,8 +66,7 @@ impl BackEndArchitecture<PlayerAction, GameDelta, ViewState> for TrictracBackend
         game.init_player("Host");
         game.init_player("Guest");
 
-        let view_state =
+        let view_state = ViewState::from_game_state(&game, HOST_PLAYER_ID, GUEST_PLAYER_ID);
-            ViewState::from_game_state(&game, HOST_PLAYER_ID, GUEST_PLAYER_ID);
 
         TrictracBackend {
             game,
@@ -74,7 +74,6 @@ impl BackEndArchitecture<PlayerAction, GameDelta, ViewState> for TrictracBackend
             commands: Vec::new(),
             view_state,
             arrived: [false; 2],
-            pending_first_move: None,
         }
     }
 
@@ -88,18 +87,22 @@ impl BackEndArchitecture<PlayerAction, GameDelta, ViewState> for TrictracBackend
 
     fn player_arrival(&mut self, mp_player: u16) {
         if mp_player > 1 {
-            self.commands.push(BackendCommand::KickPlayer { player: mp_player });
+            self.commands
+                .push(BackendCommand::KickPlayer { player: mp_player });
             return;
         }
         self.arrived[mp_player as usize] = true;
 
         // Cancel any reconnect timer for this player.
-        self.commands.push(BackendCommand::CancelTimer { timer_id: mp_player });
+        self.commands.push(BackendCommand::CancelTimer {
+            timer_id: mp_player,
+        });
 
         // Start the game once both players have arrived.
-        if self.arrived[0] && self.arrived[1] && self.game.stage == trictrac_store::Stage::PreGame
+        if self.arrived[0] && self.arrived[1] && self.game.stage == trictrac_store::Stage::PreGame {
-        {
+            let _ = self.game.consume(&GameEvent::BeginGame {
-            let _ = self.game.consume(&GameEvent::BeginGame { goes_first: HOST_PLAYER_ID });
+                goes_first: HOST_PLAYER_ID,
+            });
             self.sync_view_state();
             self.commands.push(BackendCommand::ResetViewState);
         } else {
@@ -124,7 +127,11 @@ impl BackEndArchitecture<PlayerAction, GameDelta, ViewState> for TrictracBackend
             return;
         }
 
-        let store_id = if mp_player == 0 { HOST_PLAYER_ID } else { GUEST_PLAYER_ID };
+        let store_id = if mp_player == 0 {
+            HOST_PLAYER_ID
+        } else {
+            GUEST_PLAYER_ID
+        };
 
         // Only the active player may act (except during Chance-like waiting stages).
         if self.game.active_player_id != store_id {
@@ -137,32 +144,26 @@ impl BackEndArchitecture<PlayerAction, GameDelta, ViewState> for TrictracBackend
                     self.do_roll();
                 }
             }
-            PlayerAction::Move { from, to } => {
+            PlayerAction::Move(m1, m2) => {
-                if self.game.turn_stage != TurnStage::Move {
+                if self.game.turn_stage != TurnStage::Move
+                    && self.game.turn_stage != TurnStage::HoldOrGoChoice
+                {
                     return;
                 }
-                let Ok(cmove) = CheckerMove::new(from as usize, to as usize) else {
-                    return;
-                };
-                if let Some(first) = self.pending_first_move.take() {
                 let event = GameEvent::Move {
                     player_id: store_id,
-                        moves: (first, cmove),
+                    moves: (m1, m2),
                 };
                 if self.game.validate(&event) {
                     let _ = self.game.consume(&event);
                     self.drive_automatic_stages();
                 }
-                    // Whether valid or not, clear pending so the player can retry.
-                } else {
-                    self.pending_first_move = Some(cmove);
-                    // No state broadcast yet — wait for the second move.
-                    return;
-                }
             }
             PlayerAction::Go => {
                 if self.game.turn_stage == TurnStage::HoldOrGoChoice {
-                    let _ = self.game.consume(&GameEvent::Go { player_id: store_id });
+                    let _ = self.game.consume(&GameEvent::Go {
+                        player_id: store_id,
+                    });
                 }
             }
             PlayerAction::Mark => {
@@ -227,8 +228,13 @@ mod tests {
         let cmds = b.drain_commands();
 
         // ResetViewState should have been issued after BeginGame.
-        let has_reset = cmds.iter().any(|c| matches!(c, BackendCommand::ResetViewState));
+        let has_reset = cmds
-        assert!(has_reset, "expected ResetViewState after both players arrive");
+            .iter()
+            .any(|c| matches!(c, BackendCommand::ResetViewState));
+        assert!(
+            has_reset,
+            "expected ResetViewState after both players arrive"
+        );
 
         // Game should now be InGame.
         use crate::trictrac::types::SerStage;
@@ -240,7 +246,9 @@ mod tests {
         let mut b = make_backend();
         b.player_arrival(99);
         let cmds = b.drain_commands();
-        assert!(cmds.iter().any(|c| matches!(c, BackendCommand::KickPlayer { player: 99 })));
+        assert!(cmds
+            .iter()
+            .any(|c| matches!(c, BackendCommand::KickPlayer { player: 99 })));
     }
 
     #[test]
@@ -258,8 +266,12 @@ mod tests {
         use crate::trictrac::types::SerTurnStage;
         let last = states.last().unwrap();
         assert!(
-            matches!(last.turn_stage, SerTurnStage::Move | SerTurnStage::HoldOrGoChoice),
+            matches!(
-            "expected Move or HoldOrGoChoice after roll, got {:?}", last.turn_stage
+                last.turn_stage,
+                SerTurnStage::Move | SerTurnStage::HoldOrGoChoice
+            ),
+            "expected Move or HoldOrGoChoice after roll, got {:?}",
+            last.turn_stage
         );
         assert_eq!(last.dice, b.get_view_state().dice);
         assert!(last.dice.0 >= 1 && last.dice.0 <= 6);
@@ -276,7 +288,10 @@ mod tests {
         // Guest tries to roll when it's the host's turn.
         b.inform_rpc(1, PlayerAction::Roll);
         let cmds = b.drain_commands();
-        assert!(cmds.is_empty(), "guest roll should be ignored when it's host's turn");
+        assert!(
+            cmds.is_empty(),
+            "guest roll should be ignored when it's host's turn"
+        );
     }
 
     #[test]
@@ -287,7 +302,8 @@ mod tests {
         b.player_departure(0);
         let cmds = b.drain_commands();
         assert!(
-            cmds.iter().any(|c| matches!(c, BackendCommand::SetTimer { timer_id: 0, .. })),
+            cmds.iter()
+                .any(|c| matches!(c, BackendCommand::SetTimer { timer_id: 0, .. })),
             "expected reconnect timer after host departure"
         );
     }
@@ -297,6 +313,8 @@ mod tests {
         let mut b = make_backend();
         b.timer_triggered(0);
         let cmds = b.drain_commands();
-        assert!(cmds.iter().any(|c| matches!(c, BackendCommand::TerminateRoom)));
+        assert!(cmds
+            .iter()
+            .any(|c| matches!(c, BackendCommand::TerminateRoom)));
     }
 }

client_web/src/trictrac/types.rs

@@ -1,5 +1,5 @@
 use serde::{Deserialize, Serialize};
-use trictrac_store::{GameState, Stage, TurnStage};
+use trictrac_store::{CheckerMove, GameState, Jan, Stage, TurnStage};
 
 // ── Actions sent by a player to the host backend ─────────────────────────────
 
@@ -7,8 +7,9 @@ use trictrac_store::{GameState, Stage, TurnStage};
 pub enum PlayerAction {
     /// Active player requests a dice roll.
     Roll,
-    /// Move one checker from `from` to `to` (field numbers 1–24, 0 = exit).
+    /// Both checker moves for this turn. Use `EMPTY_MOVE` (from=0, to=0) when a die
-    Move { from: u8, to: u8 },
+    /// has no valid move.
+    Move(CheckerMove, CheckerMove),
     /// Choose to "go" (advance) during HoldOrGoChoice.
     Go,
     /// Acknowledge point marking (hold / advance points).
@@ -38,6 +39,9 @@ pub struct ViewState {
     pub scores: [PlayerScore; 2],
     /// Last rolled dice values.
     pub dice: (u8, u8),
+    /// Jans (scoring events) triggered by the last dice roll, with their point values.
+    /// Negative points indicate faux jans (scored against the active player).
+    pub dice_jans: Vec<(Jan, i8)>,
 }
 
 impl ViewState {
@@ -52,6 +56,7 @@ impl ViewState {
                 PlayerScore { name: guest_name.to_string(), points: 0, holes: 0 },
             ],
             dice: (0, 0),
+            dice_jans: Vec::new(),
         }
     }
 
@@ -103,6 +108,24 @@ impl ViewState {
                 .unwrap_or_else(|| PlayerScore { name: String::new(), points: 0, holes: 0 })
         };
 
+        // Opponent's can_bredouille determines whether the active player scores double.
+        let opponent_store_id = if gs.active_player_id == host_store_id {
+            guest_store_id
+        } else {
+            host_store_id
+        };
+        let is_double = gs.players
+            .get(&opponent_store_id)
+            .map(|p| p.can_bredouille)
+            .unwrap_or(false);
+
+        // Collect jans sorted by absolute point value descending for stable display order.
+        let mut dice_jans: Vec<(Jan, i8)> = gs.dice_jans
+            .keys()
+            .map(|jan| (jan.clone(), jan.get_points(is_double)))
+            .collect();
+        dice_jans.sort_by_key(|(_, pts)| std::cmp::Reverse(*pts));
+
         ViewState {
             board,
             stage,
@@ -110,6 +133,7 @@ impl ViewState {
             active_mp_player,
             scores: [score_for(host_store_id), score_for(guest_store_id)],
             dice: (gs.dice.values.0, gs.dice.values.1),
+            dice_jans,
         }
     }
 }

store/src/lib.rs

@@ -3,7 +3,7 @@ mod game_rules_moves;
 pub use game_rules_moves::MoveRules;
 mod game_rules_points;
 pub use game::{EndGameReason, GameEvent, GameState, Stage, TurnStage};
-pub use game_rules_points::PointsRules;
+pub use game_rules_points::{Jan, PointsRules};
 
 mod player;
 pub use player::{Color, Player, PlayerId};