feat: add new docs & tutorials; cleanup Main.cpp

kernel/src/Main.cpp

@@ -186,12 +186,6 @@ extern "C" void kmain() {
 
     Fs::InitializeBootFilesystems(boot.modules);
 
-    // EXPERIMENT (wip/bt-deferred-init): the Bluetooth firmware bring-up is
-    // NOT run here -- the idle loop picks it up via ServiceDeferredInit()
-    // after boot, with CPU reservation, the IRQ-safe trace ring, and the
-    // bulk-pipelined download.  Earlier deferral attempts (2026-07-05) made
-    // the AX211 stop answering after the first FC05; this run captures a
-    // ring trace of exactly what the event pipe delivers in deferred mode.
 
     Hal::LoadTSS();
     montauk::abi::InitializeSyscalls();
@@ -202,13 +196,6 @@ extern "C" void kmain() {
     // Boot Application Processors (all subsystems ready, APs can schedule)
     Smp::BootAPs(boot.smp);
 
-    // The Bluetooth firmware bring-up is deferred to the idle loop
-    // (ServiceDeferredInit from IdleOnce) so its download never stalls boot.
-    // Requires the HCI multi-packet event reassembly in Hci.cpp: without it,
-    // the next command races the tail of a multi-packet response and wedges
-    // the AX211 bootloader -- which only ever worked before because boot-time
-    // flanterm rendering accidentally paced the commands.
-
     // Flush any stale PS/2 mouse bytes that accumulated during boot
     // (edge-triggered IRQs can be lost while spinlocks disable interrupts)
     Drivers::PS2::Mouse::FlushState();