Bake reset: assert the limiter and bake Hold land neutral, prove the loop returns parked, and baseline the render's identity path

resetAfterBake is unchanged — every value already resets by construction. The render prints master gain but not the limiter, so §3.4's rationale is wrong; the invariant is corrected.

src/core/instrument/bake/CLAUDE.md

@@ -21,8 +21,9 @@ decision about what the render made obsolete.
   loop runs to `BakePlan::renderFrames()` and stops. That is why a Gate bake with a sustain
   loop active terminates: the gate is released at `noteOffFrame` so the tail is real, but
   even a pathological envelope cannot run past the window.
-- **The whole signal chain is printed, master gain included** — the gain multiply in
-  `bake_render.cpp` carries the argument for why.
+- **The voice chain and master gain are printed; the limiter is not.** The gain multiply in
+  `bake_render.cpp` carries the argument for the gain, and `bake_reset.h` records where the
+  printed master stage stops.
 - **A degenerate or unholdable window is refused, not rendered.** `planBake` refuses a
   collapsed window, a non-positive rate, a window that rounds to no frames, and one past
   `kMaxBakeFrames` — an unbounded window is a `bad_alloc` inside a UI tick, and the