docs: document watchpoint slot tracking and update debugger commands

docs/cli.md

@@ -102,13 +102,26 @@ REPL commands:
 
 | Command | Description |
 |---------|-------------|
-| `break <label\|addr>` | Set a breakpoint |
-| `step [n]` | Single-step n instructions |
-| `continue` | Run until next breakpoint or exit |
+| `break <label\|addr> [if <reg> <op> <val>]` | Set a breakpoint, optionally conditional |
+| `delete <label\|addr>` | Remove a breakpoint |
+| `info break` | List all breakpoints |
+| `step [n]`, `s` | Single-step n instructions |
+| `next`, `n` | Step over CALL |
+| `finish`, `fin` | Run until the function returns |
+| `continue`, `c` | Run until breakpoint, watchpoint or exit |
+| `disas [n]`, `u` | Disassemble n instructions at PC |
 | `regs` | Print general-purpose + YMM/XMM vector registers |
+| `where` | Show source line and nearest label at PC |
+| `stack` | Show stack near RSP (return address + ABI0 args) |
+| `bt`, `backtrace` | Backtrace (current frame + return address) |
 | `x [addr] [len]` | Hex-dump memory |
-| `labels` | List function labels and offsets |
-| `quit` | Kill the debuggee and exit |
+| `w <addr> <val...>` | Write bytes to memory |
+| `set <reg> <value>` | Set a register |
+| `watch <addr> [r\|w] [size]` | Set a hardware watchpoint (write by default) |
+| `unwatch [<slot>]` | Clear one or all watchpoints |
+| `labels`, `l` | List function labels and offsets |
+| `help`, `h`, `?` | Show command help |
+| `quit`, `q` | Kill the debuggee and exit |
 
 ## `gasm diff [--map old=new,...] <file1.s> <file2.s>`