diff --git a/docs/endless-runner.md b/docs/endless-runner.md
index 7d8b2d4f..3129430a 100644
--- a/docs/endless-runner.md
+++ b/docs/endless-runner.md
@@ -78,9 +78,9 @@ Paths beginning with `tests/` or `scenes/` are relative to `hoppys-adventure-arc
 | A3: Hazards + projectiles | Shared relief atlas, forged meshes, pit-depth and exposure guards | Maximum 11 / 5,968 per asset; 3 shared 512² maps + 256² border | `--script res://tests/assets/a3_check.gd`; `ASSET A3: PASS (158393 checks)` | `scenes/runner/hazards/dev/capture_a3.gd` | `docs/previews/assets/a3-*.png` | [A3](assets/a3.md) |
 | A4: Power-ups + tools | Upward beacons, soft rings, distance-aware glyphs, bounded body emission and grab-vs-avoid affordances | 7 idle, 8 peak each / up to 2,196 peak triangles / shared relief maps and per-kind glyph textures | `--script res://tests/assets/a4_check.gd`; `ASSET A4: PASS (6035 checks)` | `scenes/runner/powerups/dev/capture_a4.gd` | `docs/previews/assets/a4-*.png` | [A4](assets/a4.md) |
 | A5: Bosses + fight FX | Forged reactor, articulated Hydra, cached metal maps, pooled telegraphs/tracers/numbers | Swarm 11 / 22,080; Hydra 18 / 21,396; Monolith 14 / 6,970; FX pool 22 / 7,716; whole fight 40 draws / 4 shared 256² textures | `--script res://tests/assets/a5_check.gd`; `ASSET A5: PASS (60339 checks)` | `scenes/runner/boss/dev/capture_a5.gd` | `docs/previews/assets/a5-*.png` | [A5](assets/a5.md) |
-| A6: Pursuer | Bevelled MultiMesh PR cards, Sobel normals, routed cables, threat-driven effects | 13 / 7,144 / 3 × 256² | `--script res://tests/assets/a6_check.gd`; `ASSET A6: PASS (102 checks)` | `scenes/runner/pursuer/dev/capture_a6.gd` | `docs/previews/assets/a6-*.png` | [A6](assets/a6.md) |
+| A6: Pursuer | Robotic QUARANTINE hunter: two claws, receivers, lift rotors and a red light; the catch leaps past Hoppy, clamps at 1.6 s and drops a containment field | 12 / 3,840 / none | `--script res://tests/assets/a6_check.gd`; `ASSET A6: PASS (209 checks)` | `scenes/runner/pursuer/dev/capture_a6.gd` | `docs/previews/assets/a6-*.png` | [A6](assets/a6.md) |
 | A7: UI | GET READY and menu grab-vs-avoid legend, first-event toasts, SPEED handoff, vector panels/icons and portrait viewport | 0 3D draws / 0 mesh tris / 0 procedural maps; 217 CanvasItems and existing 256² portrait viewport (not zero UI GPU cost) | `--script res://tests/assets/a7_check.gd`; `ASSET A7: PASS (1245 checks)`; `HUD LEGIBILITY: PASS (60 labels checked)` in visual smoke | `scenes/runner/ui/dev/capture_a7.gd` | `docs/previews/assets/a7-*.png` | [A7](assets/a7.md) |
-| A8: Audio | Deterministic layered PCM, FM transients, filtered noise, family envelopes, leased reverb/compressor/delay buses | 0 / 0 / 0; 32 recipes, 3,901,938 checked PCM bytes, peak 0.789972 | `--script res://tests/assets/a8_check.gd`; `ASSET A8: PASS (2323 checks)` | `scenes/runner/audio/dev/capture_a8.gd` | `docs/previews/assets/a8-*.png` | [A8](assets/a8.md) |
+| A8: Audio | Deterministic layered PCM, FM transients, filtered noise, family envelopes, leased reverb/compressor/delay buses | 0 / 0 / 0; 32 recipes, 3,901,938 checked PCM bytes, peak 0.789972 | `--script res://tests/assets/a8_check.gd`; `ASSET A8: PASS (2333 checks)` | `scenes/runner/audio/dev/capture_a8.gd` | `docs/previews/assets/a8-*.png` | [A8](assets/a8.md) |
 | A9: Post-processing | Single screen-reading shader: grading, grain, vignette, hit aberration, letterbox, speed streaks, Nitro lift | 1 fullscreen pass / 2 / 0 generated textures; implicit screen backbuffer copy is additional storage/bandwidth | `--script res://tests/assets/a9_check.gd`; `ASSET A9: PASS (147 checks)` | `scenes/runner/ui/dev/capture_a9.gd` | `docs/previews/assets/a9-*.png` | [A9](assets/a9.md) |
 
 A4 peak census includes the collection burst; code_review has the highest triangle count. A5 whole-fight draws are a concurrent budget, not the sum of every boss. A9's current 147-check verification supersedes both the earlier 126- and 134-check transcripts.
diff --git a/hoppys-adventure-arcade/tests/assets/a6_check.gd b/hoppys-adventure-arcade/tests/assets/a6_check.gd
index 359984c5..bc5e93c0 100644
--- a/hoppys-adventure-arcade/tests/assets/a6_check.gd
+++ b/hoppys-adventure-arcade/tests/assets/a6_check.gd
@@ -8,10 +8,13 @@ func check(ok: bool, message: String) -> void:
 		failures += 1
 		push_error(message)
 func _initialize() -> void: call_deferred("run")
+## The hunter rig's bounds. The quarantine field is a separate world-space effect dropped around
+## Hoppy during a catch, so it is not part of the hunter's envelope.
 func bounds(node: Node3D) -> AABB:
 	var result := AABB()
 	var first := true
 	for mesh: MeshInstance3D in node.find_children("*","MeshInstance3D",true,false):
+		if mesh == node.get("_field"): continue
 		var box: AABB = node.global_transform.affine_inverse()*mesh.global_transform*mesh.mesh.get_aabb()
 		result = box if first else result.merge(box)
 		first = false
@@ -46,13 +49,22 @@ func run() -> void:
 	visual._process(0.1)
 	check(not visual._fans[0].rotation.is_equal_approx(rotor),"Visible propulsion rotates")
 	var count := visual.find_children("*","",true,false).size()
+	var start_z: float = visual._wall.global_position.z
 	visual.play_catch()
-	visual._process(0.4)
-	check(absf(visual._arms[0].rotation.x) > 0.3,"Capture deploys claws")
+	visual._process(visual.CLAMP_AT)
+	check(absf(visual._arms[0].rotation.x) > 0.3,"Capture clamps the claws at CLAMP_AT")
+	check(visual._field.visible,"Quarantine field drops once the claws shut")
 	visual.play_catch()
-	check(is_equal_approx(visual._reaction_time,0.4),"Catch idempotent")
+	check(is_equal_approx(visual._reaction_time,visual.CLAMP_AT),"Catch idempotent")
 	visual._process(1.0)
-	check(visual._wall.scale.is_equal_approx(Vector3.ONE) and visual._wall.position.z > 2,"Catch lunges without giant growth")
+	var held: Transform3D = visual._wall.global_transform
+	var unscaled := held.basis.get_scale().is_equal_approx(Vector3.ONE)
+	check(unscaled and held.origin.z < start_z - 4.0,"Catch leaps past Hoppy without giant growth")
+	visual.set_threat(1)
+	check(visual._reaction == &"catch","Catch holds while the threat stays at 1")
+	visual.set_threat(0)
+	check(visual._reaction == &"idle" and not visual._field.visible,
+		"Run reset ends the catch and lifts the field")
 	visual.set_threat(1)
 	var pose: Transform3D = visual._wall.transform
 	visual.set_threat(0)
diff --git a/hoppys-adventure-arcade/tests/assets/a8_check.gd b/hoppys-adventure-arcade/tests/assets/a8_check.gd
index 9d838354..fe9c7bc7 100644
--- a/hoppys-adventure-arcade/tests/assets/a8_check.gd
+++ b/hoppys-adventure-arcade/tests/assets/a8_check.gd
@@ -170,8 +170,11 @@ func run() -> void:
 	audio.play_ui_click()
 	var heard := {}
 	audio.sound_played.connect(func(kind: StringName, _stream: AudioStream) -> void: heard[kind] = true)
-	# Existing mock timeline exercises all 32 signal-triggered recipes.
-	for i in 405:
+	# The mock timeline exercises all 32 signal-triggered recipes. Run it until it finishes, so the
+	# Game Over sting still fires when config.caught_sequence_seconds changes (#61 made it 3.0 s).
+	var ticks := 0
+	while mock.state != &"finished" and ticks < 600:
+		ticks += 1
 		audio.one_shots.stop()
 		audio.one_shots.play()
 		audio._playback = audio.one_shots.get_stream_playback()
@@ -180,6 +183,7 @@ func run() -> void:
 		mock.advance_demo(0.1)
 		audio._process(0.1)
 		check(audio.active_voice_count() <= 10, "voice cap")
+	check(mock.state == &"finished", "demo timeline reaches Game Over (%d ticks)" % ticks)
 	for kind: StringName in Synth.RECIPES: check(heard.has(kind), "trigger exercised: " + kind)
 	audio._stop_all()
 	audio.one_shots.play()