feat: verify multi-client reset recovery and document the emergency workflow

test/host/test_game_lifecycle.c

@@ -128,11 +128,32 @@ static void test_leave_and_full_reset(void) {
   assert(game_lifecycle_reset(&lifecycle, player_1, reset_game_id) == LIFECYCLE_RESULT_FORBIDDEN_ROLE);
 }
 
+static void test_fifty_mixed_recovery_cycles(void) {
+  test_random_t random = {.value = 41U};
+  game_lifecycle_t lifecycle = new_lifecycle(&random);
+  for (uint8_t cycle = 0; cycle < 50U; ++cycle) {
+    uint8_t player = kSessionCapacity;
+    assert(game_lifecycle_join(&lifecycle, ROLE_AUTO_PLAYER, "Alice", &player) == LIFECYCLE_RESULT_OK && player == 0U);
+    const uint32_t game_id = lifecycle.game.state.game_id;
+    if (cycle % 3U == 0U) {
+      assert(game_lifecycle_leave(&lifecycle, player) == LIFECYCLE_RESULT_OK);
+    } else if (cycle % 3U == 1U) {
+      assert(game_lifecycle_configure(&lifecycle, player, game_id, MODE_BOT) == LIFECYCLE_RESULT_OK);
+      assert(game_lifecycle_start(&lifecycle, player, game_id) == LIFECYCLE_RESULT_OK);
+      assert(game_lifecycle_leave(&lifecycle, player) == LIFECYCLE_RESULT_OK);
+    } else {
+      assert(game_lifecycle_reset(&lifecycle, player, game_id) == LIFECYCLE_RESULT_OK);
+    }
+    assert(lifecycle.game.state.phase == PHASE_LOBBY && !lifecycle.sessions.entries[0].occupied);
+  }
+}
+
 int main(void) {
   test_capacity_sanitize_and_resume();
   test_human_lifecycle_and_guards();
   test_bot_lifecycle_and_stale_actions();
   test_leave_and_full_reset();
+  test_fifty_mixed_recovery_cycles();
   puts("game lifecycle tests passed");
   return 0;
 }