Add a persistent event log for shop and prep actions.

web/src/components/EventLog.tsx

@@ -0,0 +1,91 @@
+import { useEffect, useRef, useState } from 'react'
+import type { LogEntry } from '../types'
+
+// A single battle line, derived from the battle event stream and fed in by
+// BattlePhase so the log stays in step with the replay controls.
+export interface BattleLogLine {
+  key: string
+  icon?: string
+  text: string
+  seat: number // -1 = neutral/system
+}
+
+interface Props {
+  entries: LogEntry[]
+  youSeat: number
+  // During a battle, the lines revealed up to the current replay step. The
+  // last one is the "current" step and gets highlighted.
+  battleLines?: BattleLogLine[]
+}
+
+function seatClass(seat: number, youSeat: number): string {
+  if (seat < 0) return 'log-system'
+  return seat === youSeat ? 'log-you' : 'log-opp'
+}
+
+// EventLog is the persistent, human-readable narration of the game, shown in
+// every phase. Shop/prep entries come from the server; battle entries are fed
+// in step-by-step so stepping back through the replay walks back up the log.
+export function EventLog({ entries, youSeat, battleLines }: Props) {
+  const [open, setOpen] = useState(true)
+  const bodyRef = useRef<HTMLDivElement>(null)
+  const lastSeq = entries.length ? entries[entries.length - 1].seq : 0
+  const battleLen = battleLines?.length ?? 0
+
+  // Keep the newest line in view as the log grows or the replay advances.
+  useEffect(() => {
+    const el = bodyRef.current
+    if (el) el.scrollTop = el.scrollHeight
+  }, [lastSeq, battleLen, open])
+
+  return (
+    <aside className={`event-log ${open ? '' : 'is-collapsed'}`}>
+      <div className="event-log-head">
+        <span>📜 Event Log</span>
+        <button
+          className="btn btn-ghost btn-sm"
+          onClick={() => setOpen((o) => !o)}
+          title={open ? 'Collapse log' : 'Expand log'}
+          aria-label={open ? 'Collapse log' : 'Expand log'}
+        >
+          {open ? '▸' : '◂'}
+        </button>
+      </div>
+      {open && (
+        <div className="event-log-body" ref={bodyRef}>
+          {entries.length === 0 && battleLen === 0 && (
+            <div className="log-empty muted">Nothing has happened yet.</div>
+          )}
+          {entries.map((e) => (
+            <div key={`e${e.seq}`} className={`log-line ${seatClass(e.seat, youSeat)}`}>
+              {e.icon && <span className="log-icon">{e.icon}</span>}
+              <span className="log-text">{e.text}</span>
+            </div>
+          ))}
+          {battleLen > 0 && (
+            <>
+              <div className="log-line log-system log-divider">
+                <span className="log-text">⚔️ Battle</span>
+              </div>
+              {battleLines!.map((l, i) => (
+                <div
+                  key={l.key}
+                  className={[
+                    'log-line',
+                    seatClass(l.seat, youSeat),
+                    i === battleLen - 1 ? 'log-current' : '',
+                  ]
+                    .filter(Boolean)
+                    .join(' ')}
+                >
+                  {l.icon && <span className="log-icon">{l.icon}</span>}
+                  <span className="log-text">{l.text}</span>
+                </div>
+              ))}
+            </>
+          )}
+        </div>
+      )}
+    </aside>
+  )
+}

web/src/components/Table.tsx

@@ -6,6 +6,7 @@ import { ArrangePhase } from './ArrangePhase'
 import { BattlePhase } from './BattlePhase'
 import { GameOver } from './GameOver'
 import { DebugPanel } from './DebugPanel'
+import { EventLog } from './EventLog'
 
 // Table connects to the game and routes to the right phase screen.
 export function Table({ session, onLeave }: { session: Session; onLeave: () => void }) {
@@ -56,15 +57,20 @@ export function Table({ session, onLeave }: { session: Session; onLeave: () => v
         </button>
       </header>
 
-      <main className="table-main">
-        {view.phase === 'lobby' && <Lobby view={view} />}
-        {(view.phase === 'shop' || view.phase === 'cleanup') && (
-          <ShopPhase view={view} you={you} send={send} />
+      <div className="table-body">
+        <main className="table-main">
+          {view.phase === 'lobby' && <Lobby view={view} />}
+          {(view.phase === 'shop' || view.phase === 'cleanup') && (
+            <ShopPhase view={view} you={you} send={send} />
+          )}
+          {view.phase === 'arrange' && <ArrangePhase view={view} you={you} send={send} />}
+          {view.phase === 'battle' && <BattlePhase view={view} send={send} />}
+          {view.phase === 'gameover' && <GameOver view={view} onLeave={onLeave} />}
+        </main>
+        {view.phase !== 'lobby' && (
+          <EventLog entries={view.log ?? []} youSeat={view.youSeat} />
         )}
-        {view.phase === 'arrange' && <ArrangePhase view={view} you={you} send={send} />}
-        {view.phase === 'battle' && <BattlePhase view={view} send={send} />}
-        {view.phase === 'gameover' && <GameOver view={view} onLeave={onLeave} />}
-      </main>
+      </div>
 
       {opponents.some((p) => !p.connected) && view.phase !== 'lobby' && (
         <div className="banner banner-warn">An opponent is disconnected…</div>