diff --git a/config/ml/sweep_deployability.yaml b/config/ml/sweep_deployability.yaml
index 428b975b2..da787d8cd 100644
--- a/config/ml/sweep_deployability.yaml
+++ b/config/ml/sweep_deployability.yaml
@@ -13,7 +13,7 @@ base:
   max_events: 0
   seed: 12648430
   # __SHA__ replaced by submitter with post-trunk-grows training short-SHA.
-  checkpoint: /feature-cache/alpha-perception-runs/__SHA__/trunk_best_h6000.bin
+  checkpoint: /feature-cache/alpha-perception-runs/__SHA__/trunk_best_h1000.bin
   sim_variants:
     - { name: c0_l0_p60, threshold: 0.4, cost_per_lot_per_side: 0.0625, latency_ns: 100000000 }
     - { name: c0_l0_p70, threshold: 0.55, cost_per_lot_per_side: 0.0625, latency_ns: 100000000 }
diff --git a/config/ml/sweep_perhoriz_diag.yaml b/config/ml/sweep_perhoriz_diag.yaml
new file mode 100644
index 000000000..eebd1150f
--- /dev/null
+++ b/config/ml/sweep_perhoriz_diag.yaml
@@ -0,0 +1,20 @@
+base:
+  data: /mnt/training-data/futures-baseline-mbp10/ES.FUT
+  predecoded_dir: /feature-cache/predecoded
+  n_parallel: 1
+  latency_ns: 200000000
+  target_annual_vol_units: 50.0
+  annualisation_factor: 825.0
+  max_lots: 5
+  max_events: 2000000
+  seed: 12648430
+  checkpoint: /feature-cache/alpha-perception-runs/8b2ac1e57/trunk_best_h1000.bin
+  min_reasonable_px: 1000.0
+  max_reasonable_px: 20000.0
+  delta_floor: 1.0
+  per_horizon_logit_sampling_stride: 1000
+  sim_variants:
+    - { name: t0c1l200_perhoriz_diag, threshold: 0.0, cost_per_lot_per_side: 0.125,
+        latency_ns: 200000000, max_hold_ns: 60000000000 }
+cells:
+  - { name: perhoriz_diag }
diff --git a/config/ml/sweep_smoke.yaml b/config/ml/sweep_smoke.yaml
index 3430a21a9..9db9959fa 100644
--- a/config/ml/sweep_smoke.yaml
+++ b/config/ml/sweep_smoke.yaml
@@ -24,7 +24,7 @@ base:
   max_events: 2000000              # ~2M events, ~10k decisions, ~16 min wall
   seed: 12648430
   # dbd500ecf is the post-trunk-grows training checkpoint.
-  checkpoint: /feature-cache/alpha-perception-runs/dbd500ecf/trunk_best_h6000.bin
+  checkpoint: /feature-cache/alpha-perception-runs/dbd500ecf/trunk_best_h1000.bin
   min_reasonable_px: 1000.0    # ES futures: reject sub-$1000 (catches $48-100 outliers + negatives)
   max_reasonable_px: 20000.0   # ES futures: reject super-$20000 (catches $53k outliers; > ES all-time-high ~$7000)
   delta_floor: 1.0             # CRT.1 C1.3: skip seeding when |target − effective| < 1 lot
diff --git a/config/ml/sweep_smoke_perhoriz_cfc.yaml b/config/ml/sweep_smoke_perhoriz_cfc.yaml
new file mode 100644
index 000000000..9e4198538
--- /dev/null
+++ b/config/ml/sweep_smoke_perhoriz_cfc.yaml
@@ -0,0 +1,31 @@
+# Per-horizon CfC architecture validation smoke.
+# Loads the trunk_best_h1000.bin checkpoint from Smoke 1 (commit bf4d0c899).
+# Single cell. Same anchor as sweep_smoke.yaml (1-tick cost, 200ms latency)
+# but with the per-horizon CfC architecture checkpoint.
+#
+# CRT.diag emitted by the harness (mean_run_len, flip_count, run_length_hist)
+# per horizon — used to evaluate Smoke 2's WIN gate:
+#   mean_run_len[h1000] / mean_run_len[h10] >= 10x
+#   mean_run_len[h1000] >= 100 events
+
+base:
+  data: /mnt/training-data/futures-baseline-mbp10/ES.FUT
+  predecoded_dir: /feature-cache/predecoded
+  n_parallel: 1
+  latency_ns: 200000000
+  target_annual_vol_units: 50.0
+  annualisation_factor: 825.0
+  max_lots: 5
+  max_events: 2000000
+  seed: 12648430
+  # Per-horizon CfC architecture checkpoint (Smoke 1's best_h1000 from N_HORIZONS=3 run).
+  checkpoint: /feature-cache/alpha-perception-runs/8b2ac1e57/trunk_best_h1000.bin
+  min_reasonable_px: 1000.0
+  max_reasonable_px: 20000.0
+  delta_floor: 1.0
+  sim_variants:
+    - { name: t0c1l200_perhoriz_cfc, threshold: 0.0, cost_per_lot_per_side: 0.125,
+        latency_ns: 200000000, max_hold_ns: 60000000000 }
+
+cells:
+  - { name: perhoriz_smoke }
diff --git a/config/ml/sweep_threshold_tuning.yaml b/config/ml/sweep_threshold_tuning.yaml
index d24a5c86c..b110de53a 100644
--- a/config/ml/sweep_threshold_tuning.yaml
+++ b/config/ml/sweep_threshold_tuning.yaml
@@ -18,7 +18,7 @@ base:
   seed: 12648430
   # __SHA__ is replaced by argo-lob-sweep.sh / the operator at submission time
   # with the post-trunk-grows training short-SHA (9 chars).
-  checkpoint: /feature-cache/alpha-perception-runs/__SHA__/trunk_best_h6000.bin
+  checkpoint: /feature-cache/alpha-perception-runs/__SHA__/trunk_best_h1000.bin
   # 8 thresholds spanning p60-p95 (5pt steps). Cost held at the realistic
   # anchor (1 tick = 0.125 price units) so threshold-tuning Sharpe reflects
   # what the deployability sweep will see at that cost.
diff --git a/scripts/generate_sweep_variants.py b/scripts/generate_sweep_variants.py
index a73edac20..794f5ba75 100755
--- a/scripts/generate_sweep_variants.py
+++ b/scripts/generate_sweep_variants.py
@@ -58,7 +58,7 @@ print("  max_lots: 5")
 print("  max_events: 0")
 print("  seed: 12648430")
 print("  # __SHA__ replaced by submitter with post-trunk-grows training short-SHA.")
-print("  checkpoint: /feature-cache/alpha-perception-runs/__SHA__/trunk_best_h6000.bin")
+print("  checkpoint: /feature-cache/alpha-perception-runs/__SHA__/trunk_best_h1000.bin")
 print("  sim_variants:")
 
 for ci, cost in enumerate(COSTS):