Task 0 baseline cleanup. Removes the temporary A8 step-disable diag
toggles (A8Diag* properties + ACDREAM_A8_DIAG_* env reads) that the A8
batch left behind in RuntimeOptions, and unwraps their guards in
GameWindow.RenderInsideOutAcdream so every guarded draw (Step 2 punch,
Step 3 EnvCell-opaque + IndoorPass, Step 4 terrain + outdoor scenery,
portal depth-clamp) now runs unconditionally. RuntimeOptionsTests drops
the matching assertions. The ACDREAM_PROBE_VIS apparatus
(EmitDrawOrderProbe / EmitStencilProbe / EmitBuildingsProbe /
EmitEnvCellProbe) is preserved untouched.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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