Make bot traces and position adjustments honest

CLAUDE.md

@@ -60,8 +60,9 @@ export JAVA_HOME="/Applications/Android Studio.app/Contents/jbr/Contents/Home"
    called an advantage.
 7. **DecisionTrace is the coach contract.** It records raw pot odds, the actual
    adjusted threshold, every adjustment, intended and chosen actions, and whether
-   a skill error changed the decision. The coach explains these values; it does
-   not reconstruct hidden bot logic.
+   a skill error changed the decision. Pre-flop chart percentile/range fields are
+   structurally separate from post-flop equity fields; inapplicable values are
+   null. The coach explains these values; it does not reconstruct hidden bot logic.
 
 ## Testing notes
 
@@ -84,16 +85,16 @@ export JAVA_HOME="/Applications/Android Studio.app/Contents/jbr/Contents/Home"
   reopen betting, but several that cumulatively reach a full raise do), and
   **TDA Rule 20** (odd chip to the first winner left of the button).
 - Bots: controlled style calibration holds style constant against the same five
-  opponents and deal seed. Rock is 10.3% VPIP, Maniac 67.5%; looseness ordering,
-  Calling Station passivity (9.8% PFR, 0.27 AF), Maniac aggression, and PFR
+  opponents and deal seed. Rock is 10.5% VPIP, Maniac 67.4%; looseness ordering,
+  Calling Station passivity (10.0% PFR, 0.27 AF), Maniac aggression, and PFR
   relationships all pass.
 - Skill calibration pairs four 100k-hand seeds. Every candidate occupies the same
   seat against the same fixed opponent pool and deal seed. Advanced and Expert
   are allowed to overlap, but both must beat Intermediate and Intermediate must
   beat Beginner with a positive 95% lower confidence bound. Current lower bounds
-  are +26.63, +16.19, and +24.71 bb/100 respectively.
+  are +24.42, +11.01, and +24.67 bb/100 respectively.
 - Expert differs by mechanism: it alone maintains opponent reads. The aggression
-  prior is measured by the controlled neutral TAG experiment (0.229 observed,
+  prior is measured by the controlled neutral TAG experiment (0.231 observed,
   0.22 configured), not selected because it looks plausible.
 
 ### Rules invariants that are easy to get wrong