Ξ-W2-T1 re-review cleanup: soften ordering claim, bound bake guard fields, dedup gain/play-mode rationale, quiet foreign WrongProject noise

tests/test_bake_render.cpp

@@ -14,6 +14,7 @@
 
 #include <cmath>
 #include <cstdio>
+#include <limits>
 
 using namespace reasampler;
 using namespace reasampler::instrument::bake;
@@ -242,6 +243,13 @@ int main() {
         // able to walk the render into an allocation it cannot hold.
         CHECK(renderBake(s, planOf(kMaxBakeFrames, 0, 0, /*leadIn=*/1), kUnity).empty());
         CHECK(renderBake(s, planOf(1000, 0, 500, /*leadIn=*/-1), kUnity).empty());
+        // A hand-built plan can carry a lead-in near the int64 ceiling; the guard must trip
+        // on that field alone rather than signed-overflowing inside renderFrames()'s sum.
+        CHECK(renderBake(s,
+                          planOf(1000, 0, 500,
+                                 /*leadIn=*/std::numeric_limits<std::int64_t>::max() - 10),
+                          kUnity)
+                  .empty());
     }
 
     if (g_fail == 0) std::printf("bake_render: all tests passed\n");