fix(render): re-land near plane 0.1m (retail Render::znear) — #110 resolved, closes the §4 corner see-through; close #105/#110

The 137b4f2 payload, re-landed now that #110 is resolved: the missing-indoor-
textures correlation was the pre-existing #105 staged-texture-flush drop
(fixed in c787201), not a near-plane mechanism. znear=0.1 merely raised #105's
trigger probability — a closer near plane makes close-up geometry newly
visible, inflating per-frame prepare/upload pressure indoors and growing the
never-flushed tail. Exactly the handoff's only-credible-link hypothesis,
verified instead of assumed.

Retail: Render::SetFOVRad sets znear=0.1 flat (decomp :342173, initializer
:1101867). 0.1 < the 0.3m camera-collision sphere, so a wall the collided eye
presses against no longer falls inside the near plane — the §4 corner
see-through-wall closes.

Verification on the 0.1 arm (the arm that struck 2-of-3 on 2026-06-10):
nearplane-reland-1.log — [tex-flush] after=0 on all 45 lines, 68,291 [shell]
lines with zero zh>0 batches, all four dat tripwires silent, no [wb-error].
ISSUES.md: #105 + #110 moved to Recently closed with root cause + evidence.
Pending user re-gate: corner press (wall stays solid) + distance scan for
z-shimmer (none expected; retail ships 0.1 with D24).

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

src/AcDream.App/Rendering/ChaseCamera.cs

@@ -59,9 +59,9 @@ public sealed class ChaseCamera : ICamera
     public Matrix4x4 View =>
         Matrix4x4.CreateLookAt(Position, _lookAt, Vector3.UnitZ);
 
-    // Near plane: retail is 0.1 m, parked pending #110 (see RetailChaseCamera.Projection).
+    // Near plane 0.1 m = retail Render::znear (see RetailChaseCamera.Projection).
     public Matrix4x4 Projection =>
-        Matrix4x4.CreatePerspectiveFieldOfView(FovY, Aspect, 1f, 5000f);
+        Matrix4x4.CreatePerspectiveFieldOfView(FovY, Aspect, 0.1f, 5000f);
 
     /// <summary>
     /// Update the camera position to follow the player. <paramref name="isOnGround"/>

src/AcDream.App/Rendering/FlyCamera.cs

@@ -32,9 +32,9 @@ public sealed class FlyCamera : ICamera
         }
     }
 
-    // Near plane: retail is 0.1 m, parked pending #110 (see RetailChaseCamera.Projection).
+    // Near plane 0.1 m = retail Render::znear (see RetailChaseCamera.Projection).
     public Matrix4x4 Projection
-        => Matrix4x4.CreatePerspectiveFieldOfView(FovY, Aspect, 1f, 5000f);
+        => Matrix4x4.CreatePerspectiveFieldOfView(FovY, Aspect, 0.1f, 5000f);
 
     /// <summary>
     /// Integrate position for one frame based on WASD + vertical keys.

src/AcDream.App/Rendering/OrbitCamera.cs

@@ -23,7 +23,7 @@ public sealed class OrbitCamera : ICamera
         }
     }
 
-    // Near plane: retail is 0.1 m, parked pending #110 (see RetailChaseCamera.Projection).
+    // Near plane 0.1 m = retail Render::znear (see RetailChaseCamera.Projection).
     public Matrix4x4 Projection
-        => Matrix4x4.CreatePerspectiveFieldOfView(FovY, Aspect, 1f, 5000f);
+        => Matrix4x4.CreatePerspectiveFieldOfView(FovY, Aspect, 0.1f, 5000f);
 }

src/AcDream.App/Rendering/RetailChaseCamera.cs

@@ -38,16 +38,18 @@ public sealed class RetailChaseCamera : ICamera
     public float     Aspect     { get; set; } = 16f / 9f;
     public float     FovY       { get; set; } = MathF.PI / 3f;
     public Matrix4x4 View       { get; private set; } = Matrix4x4.Identity;
-    // ⚠️ Near plane SHOULD be retail Render::znear = 0.1 m (decomp :342173/:1101867), and
-    // must eventually be smaller than the 0.3 m camera-collision sphere — at 1.0 m a wall
-    // the collided eye sits 0.3 m from falls INSIDE the near plane and is clipped away
-    // (the §4 corner see-through, user-gated 2026-06-10). The 0.1 change was landed
-    // (137b4f2) and REVERTED the same day: two consecutive runs lost indoor textures on
-    // 0.1 and recovered on the 1.0 bisect run. Mechanism not yet understood (a near-plane
-    // change shouldn't touch texturing; the intermittent #105 may have coincided). Issue
-    // #110 tracks the investigation — do not re-land 0.1 without it.
+    // Near plane = retail Render::znear = 0.1 m (decomp :342130/:342173/:1101867 —
+    // Render::SetFOVRad sets 0.1 flat; the legacy set_vdst variant is max(0.1, vdst·0.25)).
+    // MUST be smaller than the 0.3 m camera-collision sphere (PhysicsCameraCollisionProbe.
+    // ViewerSphereRadius): with a 1.0 m near, a wall the collided eye sits 0.3 m from
+    // falls INSIDE the near plane and is clipped away — pressing the camera into a corner
+    // let you see straight through the wall (§4 corner residual). History: 0.1 landed
+    // (137b4f2), was reverted (8bd3492) after correlating with missing indoor textures,
+    // and re-landed once #110 resolved: the textures were the pre-existing #105
+    // staged-texture-flush drop (WbMeshAdapter.Tick), and 0.1 merely raised its trigger
+    // probability by making more close-up geometry visible (more uploads in flight).
     public Matrix4x4 Projection =>
-        Matrix4x4.CreatePerspectiveFieldOfView(FovY, Aspect, 1f, 5000f);
+        Matrix4x4.CreatePerspectiveFieldOfView(FovY, Aspect, 0.1f, 5000f);
 
     // ── Public tunables (per-instance) ──────────────────────────────