gun j123 Task A+B prereg: expose Pattern's TR_PATTERN_LEN/TR_PATTERN_DEPTH (default parity) and pre-register the 6-arm match-parameter sweep

ModularBot_garage/src/env_report.nim

@@ -365,9 +365,17 @@ proc printEffectiveValues(ctx: EnvReportContext) =
   emit("TR_BITBRAIN_RESET_ON_TARGET", onOff(ctx.bitbrain.resetOnTarget),
        sourceOf(BB_RESET_ON_TARGET_ENV))
 
-  # ── Pattern radial knobs ──────────────────────────────────────────────────
+  # ── Pattern match-shape + radial knobs ────────────────────────────────────
   # These are resolved lazily inside `predict` (which has not run at boot), so
   # unless something already forced them we report the raw env value and say so.
+  if ctx.patternMatcher.paramConfigured:
+    emit("TR_PATTERN_LEN", $ctx.patternMatcher.patternLen, sourceOf("TR_PATTERN_LEN"))
+    emit("TR_PATTERN_DEPTH", $ctx.patternMatcher.histDepth, sourceOf("TR_PATTERN_DEPTH"))
+  else:
+    echo "[env] TR_PATTERN_LEN = ",
+         getEnv("TR_PATTERN_LEN", $PatternLen), "  (raw - not resolved here)"
+    echo "[env] TR_PATTERN_DEPTH = ",
+         getEnv("TR_PATTERN_DEPTH", $PatternDepth), "  (raw - not resolved here)"
   if ctx.patternMatcher.radConfigured:
     emit("TR_PATTERN_RAD_OFFSET", $ctx.patternMatcher.radOffset, sourceOf("TR_PATTERN_RAD_OFFSET"))
     emit("TR_PATTERN_RAD_SCALE", $ctx.patternMatcher.radScale, sourceOf("TR_PATTERN_RAD_SCALE"))
@@ -428,6 +436,7 @@ proc knownEnvNames*(): seq[string] =
     PowerRefEnvVar, PowerEnergyHiEnvVar, PowerEnergyLoEnvVar,
     PowerEnergyMinEnvVar, PowerEnergyMaxEnvVar, PowerFinishKillEnvVar,
     PatternRadOffsetEnvVar, PatternRadScaleEnvVar,
+    PatternLenEnvVar, PatternDepthEnvVar,
     TMH_SHIFT_ENV, TMH_BIG_MULT_ENV, TMH_LOG_ENV, TMH_RESET_ON_TARGET_ENV,
     TMH_WINDOW_ENV, TMH_RESET_DROP_ENV, TMH_NSTATES_ENV, TMH_ACCURVE_ENV,
     TMH_RETRAIN_EVERY_ENV, TMH_EPOCHS_ENV,