refactor(render): remove Campaign FW probes

src/AcDream.Core/Rendering/RenderingDiagnostics.cs

@@ -160,43 +160,6 @@ public static class RenderingDiagnostics
     public static bool ProbeClipRouteEnabled { get; set; } =
         Environment.GetEnvironmentVariable("ACDREAM_PROBE_CLIPROUTE") == "1";
 
-    /// <summary>
-    /// Campaign FW3.2b-2 flip apparatus (2026-08-30): when true and the walk
-    /// registries are wired, RetailPViewRenderer runs the PRODUCTION retail
-    /// frame walk per frame in SHADOW (no draws change) and emits one
-    /// [walk-shadow] line per frame whose cell/building sets diverge from the
-    /// old visibility path — the I5 dual-shadow pattern applied to the FW3
-    /// static cutover. Throwaway apparatus — dies with the flip commit.
-    /// </summary>
-    public static bool ProbeWalkShadowEnabled { get; set; } =
-        Environment.GetEnvironmentVariable("ACDREAM_PROBE_WALK_SHADOW") == "1";
-
-    /// <summary>
-    /// FW3 visual-gate apparatus (2026-08-30, throwaway — dies with the
-    /// stairwell-transition fix): when true, RetailPViewRenderer prints one
-    /// <c>[walk-root]</c> line per frame for the 8 frames after every
-    /// interior/outdoor ROOT flip — viewer cell, resolution, slice count,
-    /// and the walk's visited cell list — pinning which frames draw grass
-    /// over floor openings during a doorway crossing and why.
-    /// </summary>
-    public static bool ProbeWalkRootEnabled { get; set; } =
-        Environment.GetEnvironmentVariable("ACDREAM_PROBE_WALK_ROOT") == "1";
-
-    /// <summary>Companion scratch for <see cref="ProbeWalkRootEnabled"/>
-    /// (throwaway, same investigation): the frame phase relative to the
-    /// interior depth clear ("pre"/"post"), stamped by the pass executor so
-    /// particle/alpha probe lines can tag WHEN a submission or drain ran.
-    /// Written only while the probe is on.</summary>
-    public static string WalkRootPhase = "";
-
-    /// <summary>Companion scratch for <see cref="ProbeWalkRootEnabled"/>
-    /// (throwaway, same investigation): true on the frames (~every 90th)
-    /// where the walk's PView logs its per-portal seen/in-view/clip
-    /// decisions as <c>[walk-portal]</c> lines — pins WHY an exit view
-    /// collapses at a given camera pose. Set by the renderer before
-    /// Collect; read by WalkPView.</summary>
-    public static bool WalkPortalProbeThisFrame;
-
     /// <summary>
     /// Bounded-propagation port apparatus (2026-06-08). When true, PortalVisibilityBuilder.Build emits
     /// one [portal-churn] summary line per call: per-cell pop count (re-pops = churn), total re-enqueues,

src/AcDream.Core/Vfx/ParticleSystem.cs

@@ -321,9 +321,6 @@ public sealed class ParticleSystem : IParticleSystem
             rangeMultiplier = 1f;
 
         LastRetailViewEmitterVisitCount = 0;
-        _probeAdmissionDumpThisCall =
-            AcDream.Core.Rendering.RenderingDiagnostics.ProbeWalkRootEnabled
-            && ++_probeAdmissionCallCounter % 120 == 0;
         foreach (int handle in _worldSimulationHandles)
         {
             if (!_byHandle.TryGetValue(handle, out ParticleEmitter? emitter))
@@ -349,33 +346,9 @@ public sealed class ParticleSystem : IParticleSystem
                     || float.IsNaN(maxDistance)
                     || distance <= maxDistance);
             RefreshRenderableIndex(emitter, wasRenderable);
-
-            // ACDREAM_PROBE_WALK_ROOT companion (Phase I cathedral
-            // instrumentation, throwaway): admission verdicts for the F418
-            // watch set — the real falls owners 0xCF418000-13 and every
-            // F418-cell emitter — every ~120th ApplyRetailView pass.
-            if (_probeAdmissionDumpThisCall
-                && AcDream.Core.Rendering.RenderingDiagnostics.ProbeWalkRootEnabled
-                && ((emitter.AttachedObjectId >= 0xCF418000u
-                        && emitter.AttachedObjectId <= 0xCF418014u)
-                    || (emitter.OwnerCellId >> 16) == 0xF418u))
-            {
-                Console.WriteLine(
-                    $"[falls-adm] owner={emitter.AttachedObjectId:x} "
-                    + $"cell={emitter.OwnerCellId:x8} "
-                    + $"pos=({emitter.OwnerPosition.X:F1},{emitter.OwnerPosition.Y:F1},{emitter.OwnerPosition.Z:F1}) "
-                    + $"dist={distance:F1} max={maxDistance:F1} "
-                    + $"inSet={(visibleCellIds.Contains(emitter.OwnerCellId) ? 1 : 0)} "
-                    + $"eligible={(emitter.ViewEligible ? 1 : 0)} "
-                    + $"active={emitter.ActiveCount} pass={emitter.RenderPass}");
-            }
         }
     }
 
-    // Phase I instrumentation rate limiter (see the probe block above).
-    private static uint _probeAdmissionCallCounter;
-    private static bool _probeAdmissionDumpThisCall;
-
     /// <summary>
     /// Changes only render presentation. Logical lifetime is unaffected.
     /// </summary>