diff --git a/test/e2e/client.mjs b/test/e2e/client.mjs
index 1f7828ce..f8790577 100644
--- a/test/e2e/client.mjs
+++ b/test/e2e/client.mjs
@@ -61,10 +61,11 @@ export function freePort() {
  * `port`: e.g. the port of a server just stopped — a server restart the open clients reconnect to).
  * @param {{ port?: number, fast?: { timerScale?: number, combatSpeed?: number, startRound?: 'boss'|'hidden'|number, kit?: number, chess?: string[],
  *   items?: string[], idleBots?: boolean, kits?: string[][], botChess?: string[], autoPlace?: boolean, eliminate?: number[], stage?: string,
- *   finishAfter?: number } }} [opts]
+ *   finishAfter?: number, slowSpawns?: string } }} [opts]
  *   kits: per-human starter kits (seat order); botChess: the AI seats' kit; autoPlace: the kits go onto the board at the
  *   first prep; eliminate: humans (seat order) eliminated at the jump; stage: the stage of every match; finishAfter: the
- *   match ends (RESULT) once that round has settled — fastServer.mjs hooks
+ *   match ends (RESULT) once that round has settled; slowSpawns: '<humanIdx>:<factor>' — that human's normal battles
+ *   spawn at factor × the scheduled times — fastServer.mjs hooks
  * @returns {Promise<{ base: string, port: number, logs: string[], stop: (o?: { hard?: boolean }) => Promise<void> }>}
  */
 export async function startRealServer(opts = {}) {
@@ -90,6 +91,7 @@ export async function startRealServer(opts = {}) {
     if (opts.fast.stage) env.SP_STAGE = String(opts.fast.stage);
     if (opts.fast.level) env.SP_START_LEVEL = String(opts.fast.level);
     if (opts.fast.finishAfter) env.SP_FINISH_AFTER = String(opts.fast.finishAfter);
+    if (opts.fast.slowSpawns) env.SP_SLOW_SPAWNS = String(opts.fast.slowSpawns);
   }
   const child = spawn(process.execPath, [entry], { cwd: ROOT, env, stdio: ['ignore', 'pipe', 'pipe'] });
   const logs = [];
diff --git a/test/e2e/fastServer.mjs b/test/e2e/fastServer.mjs
index 768f3d28..ffcb3c3f 100644
--- a/test/e2e/fastServer.mjs
+++ b/test/e2e/fastServer.mjs
@@ -26,6 +26,9 @@
 // SP_START_SHOP stocks its first slots) — test/ui/diy.e2e.test.js: a tier-5 自选 piece is sold from level 5.
 // SP_FINISH_AFTER=<round>: the match ends (a defeat: m.result, the RESULT screen) once that round has settled, instead
 // of going on to the next round — test/ui/standin.e2e.test.js: the result lineup of the board just fought with.
+// SP_SLOW_SPAWNS=<humanIdx>:<factor>: that human's (seat order) normal battles spawn their enemies at <factor> × the
+// scheduled times (and intervals) — a leaker's battle then runs to the round's time limit, long after a teammate's quick
+// one (test/ui/watch-bonds.e2e.test.js, "after the own battle": a window for watching and a reload).
 // Not a test file (node --test runs it as a no-op module when NODE_TEST_CONTEXT is set).
 
 import { startServer } from '../../server/index.js';
@@ -52,6 +55,8 @@ if (!process.env.NODE_TEST_CONTEXT) {
   const forcedStage = String(process.env.SP_STAGE || '').trim();
   const startLevel = Math.max(0, Math.min(6, Number(process.env.SP_START_LEVEL) || 0));
   const finishAfter = Math.max(0, Number(process.env.SP_FINISH_AFTER) || 0);
+  const [slowIdx, slowFactor] = String(process.env.SP_SLOW_SPAWNS || '').split(':').map(Number);
+  const slowSpawns = Number.isInteger(slowIdx) && slowIdx >= 0 && slowFactor > 0 ? { idx: slowIdx, factor: slowFactor } : null;
 
   class FastMatch extends Match {
     constructor(opts) {
@@ -127,6 +132,19 @@ if (!process.env.NODE_TEST_CONTEXT) {
       super.afterSettle();
     }
 
+    _ccField(args) {
+      const f = super._ccField(args);
+      const ps = slowSpawns && f.kind === 'normal' ? this.order.filter((x) => !x.isBot)[slowSpawns.idx] : null;
+      if (ps && f.players.includes(ps.playerId)) {
+        for (const x of f.spec.spawns) {
+          if (!x || !Number.isFinite(Number(x.time))) continue;
+          x.time = Number(x.time) * slowSpawns.factor;
+          if (Number(x.interval) > 0) x.interval = Number(x.interval) * slowSpawns.factor;
+        }
+      }
+      return f;
+    }
+
     scheduleBotPrep(ps, i = 0) {
       if (!idleBots) { super.scheduleBotPrep(ps, i); return; }
       const round = this.round;
diff --git a/test/ui/watch-bonds.e2e.test.js b/test/ui/watch-bonds.e2e.test.js
index 40ee4225..dfe94a8e 100644
--- a/test/ui/watch-bonds.e2e.test.js
+++ b/test/ui/watch-bonds.e2e.test.js
@@ -17,8 +17,8 @@
 //   the pair field → its first player's bonds (never its own), taps the second player's operator and its card's bond
 //   chip → the SECOND player's popup (the strip stays on the first), taps each pair player → their half + bonds, taps
 //   the lone field's player → that field and its player's bonds.
-// After the own battle (2 humans + 1 idle AI from round 3, 1× combat): the host's battle ends first, the host watches a
-//   teammate still fighting → the strip shows that teammate's bonds with the observing pill "👁 name" + 返回战场; a
+// After the own battle (2 humans + 1 idle AI from round 3, 1× combat, the guest's enemies spawning at twice their times):
+//   the host's battle ends first, the host watches a teammate still fighting → the strip shows that teammate's bonds with the observing pill "👁 name" + 返回战场; a
 //   reload keeps all three (the resent field is adopted — battle/observe.js resumedWatch); 返回战场 → the own bonds.
 // Unit counterparts: test/ui/watch-bonds.test.js (selection logic incl. 联防), test/match/watch-bonds.test.js (views),
 // test/match/observe.test.js (resumedWatch).
@@ -39,6 +39,10 @@ const GUEST_KIT = ['chess_char_1_03_a', 'chess_char_1_09_a']; // 惊蛰 (炎), 
 // the AI seats five 拉特兰 ones + 古米 (信仰搅拌机, 莫斯提马, 能天使, 空弦, 送葬人; 坚守) — different bonds on each strip
 const UNITE_HOST_KIT = ['chess_char_4_23_a', 'chess_char_4_24_a', 'chess_char_3_06_a', 'chess_char_3_13_a', 'chess_char_1_12_a', 'chess_char_2_06_a'];
 const BOT_KIT = ['chess_char_4_01_a', 'chess_char_4_02_a', 'chess_char_3_01_a', 'chess_char_3_21_a', 'chess_char_2_01_a', 'chess_char_1_10_a'];
+// "after the own battle": the same host without 菲莱 — the layout planner behind fastServer's autoPlace puts a zero-range
+// guard on a road tile first (PR #339, §27.35), where she holds the enemies and the host's battle could run 109 s of a
+// 110 s round-3 limit (measured; 53–68 s without her)
+const AFTER_HOST_KIT = UNITE_HOST_KIT.filter((id) => id !== 'chess_char_3_06_a');
 
 /** The strip as shown: whose (data-owner), the bonds (data-bond) with their counts, the tag's text. */
 const stripOf = (c) => c.page.evaluate(() => {
@@ -470,10 +474,12 @@ describe('DESIGN §20.15 — the bond strip shows the watched teammate\'s bonds
   });
 
   test('after the own battle: the watched teammate\'s bonds, kept through a reload with the observing pill + 返回战场 (desktop)', { timeout: 12 * 60 * 1000 }, async () => {
-    // the host's six 萨尔贡 operators end their battle early; the guest (no board) and the idle AI leak for the enemies'
-    // whole walk (combat at 1×: a window for the reload) — the host watches one of them, reloads, then goes back
+    // the host's five 萨尔贡 operators end their battle first; the guest (no board) leaks, and its enemies spawn at twice
+    // their times (fastServer SP_SLOW_SPAWNS), so its battle runs to the round's time limit — a window of 40 s and more
+    // for watching it and a reload (at the scheduled times a leaker's walk outlasted the host's battle by 5–11 s in 0.2.1
+    // and 0.2.2 alike, and the 0.2.2 full pass lost 返回战场 to 联防); the host watches the guest, reloads, then goes back
     const srv = await startRealServer({ fast: { timerScale: 1, combatSpeed: 1, startRound: 3, idleBots: true, autoPlace: true,
-      kits: [UNITE_HOST_KIT, []] } });
+      kits: [AFTER_HOST_KIT, []], slowSpawns: '1:2' } });
     const P = (await import('puppeteer-core')).default;
     let host = null;
     let guest = null;
@@ -539,8 +545,13 @@ describe('DESIGN §20.15 — the bond strip shows the watched teammate\'s bonds
         for (const id of await pubBonds()) assert.ok(st.bonds.includes(id), `after the reload: ${name}'s ${id} on the strip (${JSON.stringify(st.bonds)})`);
         await sleep(1500); // the phase banner of the fresh screen
         await host.shot('reloaded');
-        // 返回战场 → the own bonds, untagged
-        await host.click('.chud__observe .chud__back', '返回战场');
+        // 返回战场 → the own bonds, untagged. The watched battle may end meanwhile — 联防 or the settlement takes the
+        // screen and the pill with it (the 0.2.2 full pass) — then the next round tries again
+        if (!(await host.click('.chud__observe .chud__back', '返回战场', { optional: true, timeout: 8000 }))) {
+          const phase = (await host.st()).phase;
+          if (phase !== 'COMBAT') { console.log(`round ${round}: the battles ended before 返回战场 (${phase}), next round`); continue; }
+          throw new Error('host: nothing clickable for .chud__observe .chud__back "返回战场" while the battle runs');
+        }
         await host.page.waitForFunction(() => !document.querySelector('.gm__bonds .bstrip')?.getAttribute('data-owner'), { timeout: 8000 });
         st = await stripOf(host);
         assert.deepEqual([st.owner, st.observe], [null, null], 'back: own bonds, no observing pill');