RESULT 43+44: crown-3 死因=cap硬底钉在塌落天花板之上(变相wall-2); endgame A/B平局(3.4245/3.4244)估计器无罪; bpmix定位gap全在上半blocks(77%)attn/ffn均分,底半=0; --cap_floor补丁+fw72m_plain_nf无硬底190k重放在飞

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_014FAPDWQ49M5Ye3NpTndTpn

1 files changed, 6 insertions, 3 deletions

diff --git a/ep_run/casc_eq_train.py b/ep_run/casc_eq_train.py
index fb9dca5..cca37b5 100644
--- a/ep_run/casc_eq_train.py
+++ b/ep_run/casc_eq_train.py
@@ -68,6 +68,9 @@ ap.add_argument('--drift_adapt', type=float, default=0.0)  # >0: adaptive drift
 ap.add_argument('--beta_cap_rho', type=float, default=0.0)  # >0: LOOP-GAIN CAP on beta — if per-sweep residual
                                                           # ratio rho^ exceeds this, bscale *= 0.8 (beta backs off
                                                           # under the wall-2 ceiling); recovers x1.02 when rho^ low
+ap.add_argument('--cap_floor', type=float, default=0.05)  # hard bottom of the rho-cap; 0 = pure ceiling-tracking
+                                                          # (cap follows the measured ceiling all the way down; a
+                                                          # pinned bottom above the true ceiling = disguised wall-2)
 ap.add_argument('--relax_tol', type=float, default=0.0)   # >0: ADAPTIVE relax — sweep until rel. state change < tol
                                                           # (or --kmax), geta backtracks x0.6 on residual GROWTH (rho>=1
                                                           # signal), then one final graphed round. 0 = legacy fixed-K.
@@ -445,7 +448,7 @@ def ep_step(x, y):
         # EFFECTIVE beta is continuous across any floor change (the 0.09-at-20k bug, RESULT 37)
         pf = GOV.get('prev_floor')
         if pf is not None and fl != pf and pf > 0 and fl > 0:
-            GOV['cap'] = min(max(GOV.get('cap', 1.0) * pf / fl, 0.05), args.beta_ride)
+            GOV['cap'] = min(max(GOV.get('cap', 1.0) * pf / fl, args.cap_floor), args.beta_ride)
         GOV['prev_floor'] = fl
     beta_t = beta_t * GOV.get('cap', 1.0)   # wall-2 loop-gain cap OVERRIDES the floor (the ceiling
                                             # can sit below the floor near the wall; survival first)
@@ -504,7 +507,7 @@ def ep_step(x, y):
                 if _legal(gdrift):
                     ok_retry = True
                     if args.beta_ride > 1.0:     # the failed trial IS the ceiling measurement
-                        GOV['cap'] = max(GOV.get('cap', 1.0) * 0.5 ** (_h + 1), 0.05)
+                        GOV['cap'] = max(GOV.get('cap', 1.0) * 0.5 ** (_h + 1), args.cap_floor)
                     break
         if ok_retry:
             pass
@@ -534,7 +537,7 @@ def ep_step(x, y):
             rho_use = GOV['rho_ema'] = 0.9 * GOV.get('rho_ema', rho_g) + 0.1 * rho_g
         GOV['cool'] = max(GOV.get('cool', 0) - 1, 0)
         if res_g > 0.02 and rho_use > args.beta_cap_rho:
-            GOV['cap'] = max(GOV.get('cap', 1.0) * 0.85, 0.05)  # attack (gentler than v1)
+            GOV['cap'] = max(GOV.get('cap', 1.0) * 0.85, args.cap_floor)  # attack (gentler than v1)
             if args.ride_cool > 0: GOV['cool'] = args.ride_cool  # ride-v2(c), opt-in
         elif (res_g < 0.01 or rho_use < 0.5 * args.beta_cap_rho) and GOV['cool'] == 0:
             # recover; with beta_ride > 1 the governor CLIMBS past the schedule — beta finds