Playtest #5 follow-up: boss-field blowers show in the normal rounds; 联防 timer restart confirmed

- act2 m01: the boss field's row-6 blower machines stand under the bench in the normal and 联防 views again
  (the user: "吹风机原版道中也该有"); the integration-QA filter (BOSS_WALL_ROW) is removed from the 3D and 2D
  boards, so every device on a built tile is drawn in every view, as the workstream had it
- 联防: a knocked-out operator's redeploy timer restarting in full is confirmed by the user ("进联防复活时间确实是
  重新算"); the [ASSUMED] tags in DESIGN §5.5 / §6.1 / §19.3, META §4 and unite.js say so
- DESIGN §19 intro / §19.7 and the docs-consistency assertions updated; 2595 unit tests, all render browser suites green

docs/META.md

@@ -442,8 +442,8 @@ enemies by slot class; helpers' operators carry
 `{ hpPct, sp, skillActive }` from `unitsEnd` ("阵地以其当前状态"); an operator knocked out at the end of the helper's own
 combat carries `{ down: true }` (PRTS 卫戍协议/帮助: "部署完成后…上一阶段为退场状态的干员强制退场"): deployed, then forced out
 at once, it lies on its tile with the redeploy ring and redeploys like after any knock-out (docs/SIM.md §1.1; user
-playtest #5 item 2 — it used to stay out and vanish); its timer is its full redeploy time [ASSUMED: the official setup
-carries only hp / tech per operator], with the redeploy-time effects that start with the battle (机变 征召); summons are
+playtest #5 item 2 — it used to stay out and vanish); its timer is its full redeploy time (the official setup carries
+only hp / tech per operator; confirmed by the user), with the redeploy-time effects that start with the battle (机变 征召); summons are
 fielded as the board has them; `flags.layerGainsEnabled = false`; time limit = the round's combat limit.
 Every enemy still alive at the end (leaked again, or never spawned before the limit) costs its **source** player 1 LP.
 A client-run 联防 result may bill a survivor only to a leaker who sent that enemy in — a split / summon only to a leaker