IOS LLE: optional emulated Wii Remotes in bootstrap mode (StarletOS phase 11 M1)

With REV_BOOTSTRAP_WIIMOTE=1 a bootstrap-ELF session gets the emulated Wii
Remotes of the original-IOS mode, using the identities paired in the
attached NAND's SYSCONF. The NAND is never rewritten for it; without the
variable nothing changes.

Co-Authored-By: Claude Opus 5.5 <[email protected]>

docs/StarletOS_Handoff.md

@@ -135,3 +135,27 @@ Known limit for the next companion step: in bootstrap (Revolution) mode the
 emulated Wii Remotes are not initialized (`m_initialized` stays false), so
 nobody can point at a channel there. Changing that is proposed in the
 companion (proposal M1), not done.
+
+## Emulated Wii Remotes for a Revolution session — 2026-10-06
+
+Companion proposal M1 (approved by the user): replay the reference launch
+with Revolution instead of the original IOS, to see where Broadway stops.
+
+- `REV_BOOTSTRAP_WIIMOTE=1` (bootstrap-ELF mode, after the NAND and keys
+  attaches): `StarletMemory::EnableBootstrapWiimotes` selects the identities
+  paired in the attached NAND's SYSCONF (`BT.DINF`, decrypted with the keys)
+  and creates the emulated Wii Remotes exactly as the original-IOS mode does.
+  `InstallEmulatedWiimotePairings(false)` never rewrites SYSCONF: without a
+  paired identity the remotes keep their default addresses. Without the
+  variable nothing changes (the remotes stay absent, as before).
+- Checkpoint hashes updated for `Starlet.cpp`, `StarletMemory.cpp`,
+  `StarletMemory.h`.
+- Build: `.starlet_linux` (`dolphin-emu-nogui`, `tests`) and
+  `.starlet_linux_x11`; the 95 selected Starlet tests passed.
+- Without the variable, the companion's headless P11-H06 Menu regression
+  (`tools/regression/phase11_menu.py --step H06 --outcome Phase9Running
+  --timeout 600`) still passes on this build, NAND source and disposable
+  copy identical.
+
+Next: the companion's M1b (smoke test with the variable, no window) and M1c
+(the user launches the Mii Channel under Revolution in the X11 window).