Client: the first connect gives up after 10 s, and a refused or timed-out connect waits for the server and reloads, as a dropped connection already did (WS-P task 3 game-shard proof: an upgrade sent during a restart can wait with no answer, so a page opened in that 2 s gap stayed on "connecting…")

ddiff --git a/apps/client/src/main.ts b/apps/client/src/main.ts
iindex 4f6251a..e844c70 100644
---- a/apps/client/src/main.ts
++++ b/apps/client/src/main.ts
@@@ -369,12 +369,8 @@ async function start(): Promise<void> {
        }
      }
    }
--  connection.onClose = () => {
--    if (rejected) return
--    // Deploys restart the server; come back on our own instead of
--    // freezing on a dead socket. Reload = full clean resync.
--    hud.setStatus('connection lost — reconnecting automatically…')
--    hud.toast('Disconnected — reconnecting…', true)
++  // Deploys restart the server: wait until it answers /healthz, then reload (a full clean resync).
++  const reloadWhenServerIsBack = (): void => {
      const poll = setInterval(() => {
        fetch('/healthz')
          .then((r) => {
@@@ -386,12 +382,21 @@ async function start(): Promise<void> {
          .catch(() => {})
      }, 2000)
    }
++  connection.onClose = () => {
++    if (rejected) return
++    // Come back on our own instead of freezing on a dead socket.
++    hud.setStatus('connection lost — reconnecting automatically…')
++    hud.toast('Disconnected — reconnecting…', true)
++    reloadWhenServerIsBack()
++  }
  
    hud.setStatus('connecting…')
    try {
      await connection.connect(gameSocketUrl(), identity.token, name, appearance, slot, sso)
    } catch {
--    hud.setStatus('could not reach server — is it running?')
++    // Refused or timed out (a page opened during a restart): wait for the server, then reload.
++    hud.setStatus('could not reach the server — retrying automatically…')
++    reloadWhenServerIsBack()
      return
    }
  
ddiff --git a/apps/client/src/net/connection.ts b/apps/client/src/net/connection.ts
iindex 6008271..7566759 100644
---- a/apps/client/src/net/connection.ts
++++ b/apps/client/src/net/connection.ts
@@@ -7,6 +7,9 @@ import {
    type ServerMessage,
  } from '@openvibe/protocol'
  
++/** How long the first WebSocket connect may take before the page falls back to waiting for the server. */
++export const CONNECT_TIMEOUT_MS = 10_000
++
  /**
   * WebSocket connection to the dedicated server. Message handling is a
   * callback so the network layer stays independent of game/state code.
@@@ -27,8 +30,14 @@ export class Connection {
      const ws = new WebSocket(url)
      this.ws = ws
      await new Promise<void>((resolve, reject) => {
--      ws.onopen = () => resolve()
--      ws.onerror = () => reject(new Error('connection failed'))
++      // An upgrade sent while the server restarts can wait with no answer (the proxy holds it):
++      // give up after CONNECT_TIMEOUT_MS so the page can wait for the server and reload instead.
++      const timer = setTimeout(() => {
++        try { ws.close() } catch { /* already closing */ }
++        reject(new Error('connection timed out'))
++      }, CONNECT_TIMEOUT_MS)
++      ws.onopen = () => { clearTimeout(timer); resolve() }
++      ws.onerror = () => { clearTimeout(timer); reject(new Error('connection failed')) }
      })
      ws.onmessage = (event) => {
        const msg = decodeServerMessage(String(event.data))