Remove code comments

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/bot/modules/builtins.rs

@@ -1,9 +1,5 @@
-//! The built-in commands: `ping`, `echo`, `hello`. (`help` is provided by the
-//! dispatcher itself, since it aggregates every module's commands.)
-
 use crate::bot::module::{Action, Command, CommandSpec, Module};
 
-/// Core commands that ship with the bot.
 pub struct Builtins;
 
 const COMMANDS: &[CommandSpec] = &[

src/bot/modules/dice.rs

@@ -1,8 +1,3 @@
-//! A dice roller: `roll 2d6`, `roll d20`, or `roll` (defaults to `1d6`).
-//!
-//! Demonstrates a *stateful* module — it carries its own tiny PRNG, seeded once
-//! at construction — while keeping the crate dependency-free (no `rand`).
-
 use std::time::{SystemTime, UNIX_EPOCH};
 
 use crate::bot::module::{Action, Command, CommandSpec, Module};
@@ -13,12 +8,9 @@ const COMMANDS: &[CommandSpec] = &[CommandSpec {
     about: "roll N dice of M sides (default 1d6), e.g. roll 2d20",
 }];
 
-/// Upper bounds to keep output (and the channel) sane.
 const MAX_DICE: u64 = 100;
 const MAX_SIDES: u64 = 1000;
 
-/// Dice roller with a self-contained xorshift PRNG — fine for dice, not for
-/// anything security-sensitive.
 pub struct Dice {
     rng: u64,
 }
@@ -29,7 +21,7 @@ impl Dice {
             .duration_since(UNIX_EPOCH)
             .map(|d| d.as_nanos() as u64)
             .unwrap_or(0x9E37_79B9_7F4A_7C15);
-        Dice { rng: seed | 1 } // never seed to 0 (xorshift would stay stuck)
+        Dice { rng: seed | 1 }
     }
 
     fn next_u64(&mut self) -> u64 {
@@ -41,7 +33,6 @@ impl Dice {
         x
     }
 
-    /// Roll a single die in `1..=sides`.
     fn die(&mut self, sides: u64) -> u64 {
         self.next_u64() % sides + 1
     }
@@ -81,8 +72,6 @@ impl Module for Dice {
     }
 }
 
-/// Parse `NdM` / `dM` / `M` into `(count, sides)` within sane bounds. A bare
-/// number `M` means `1dM`.
 fn parse_spec(s: &str) -> Option<(u64, u64)> {
     let (count, sides) = match s.split_once('d') {
         Some((c, m)) => {

src/bot/modules/mod.rs

@@ -1,14 +1,8 @@
-//! The registry of feature modules. Add a feature by creating a file here that
-//! implements [`super::module::Module`] and listing its constructor in [`all`].
-
 pub mod builtins;
 pub mod dice;
 
 use super::module::Module;
 
-/// Construct the default set of modules, in priority order (earlier modules win
-/// command-name collisions). Each network's [`super::Bot`] gets its own fresh
-/// set, so stateful modules keep independent per-network state.
 pub fn all() -> Vec<Box<dyn Module>> {
     vec![
         Box::new(builtins::Builtins),