fix: support rand 0.10 APIs

.cargo/audit.toml

@@ -0,0 +1,10 @@
+[advisories]
+# quick-xml is pulled transitively through bevy 0.15 -> winit 0.30 ->
+# smithay-client-toolkit -> wayland-scanner. The latest compatible
+# wayland-scanner line only reaches quick-xml 0.39.4, while these advisories
+# require quick-xml >=0.41.0. Keep this narrow until the Bevy/winit migration
+# in Dependabot #14 can move the Wayland stack past the constraint.
+ignore = [
+  "RUSTSEC-2026-0194",
+  "RUSTSEC-2026-0195",
+]

Cargo.toml

@@ -9,7 +9,7 @@ serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 chrono = { version = "0.4", features = ["serde"] }
 thiserror = "2"
-rand = "0.8"
+rand = "0.10"
 dirs = "6"
 
 [profile.dev]

src/systems/critter_spawner.rs

@@ -2,7 +2,7 @@ use crate::components::{Critter, CritterSpecies};
 use crate::events::CritterArrived;
 use crate::resources::BehaviorSignals;
 use bevy::prelude::*;
-use rand::Rng;
+use rand::{Rng, RngExt};
 
 pub fn critter_spawner_system(
     mut commands: Commands,
@@ -21,7 +21,7 @@ pub fn critter_spawner_system(
             .iter()
             .any(|c| c.species == CritterSpecies::Butterfly);
         if !has_butterfly && *spawn_timer > 5.0 {
-            let mut rng = rand::thread_rng();
+            let mut rng = rand::rng();
             let path = random_butterfly_path(&mut rng);
 
             commands.spawn((
@@ -47,8 +47,8 @@ pub fn critter_spawner_system(
 
     // Beetle: 5% chance per minute when active
     if behavior.is_active && *spawn_timer > 60.0 {
-        let mut rng = rand::thread_rng();
-        if rng.gen::<f32>() < 0.05 {
+        let mut rng = rand::rng();
+        if rng.random::<f32>() < 0.05 {
             let has_beetle = existing_critters
                 .iter()
                 .any(|c| c.species == CritterSpecies::Beetle);
@@ -79,11 +79,11 @@ pub fn critter_spawner_system(
 }
 
 fn random_butterfly_path(rng: &mut impl Rng) -> [Vec2; 4] {
-    let enter_side = if rng.gen_bool(0.5) { -1.0 } else { 1.0 };
+    let enter_side = if rng.random_bool(0.5) { -1.0 } else { 1.0 };
     [
-        Vec2::new(enter_side * 500.0, rng.gen_range(-100.0..200.0)),
-        Vec2::new(enter_side * 200.0, rng.gen_range(0.0..250.0)),
-        Vec2::new(-enter_side * 150.0, rng.gen_range(-50.0..200.0)),
-        Vec2::new(-enter_side * 500.0, rng.gen_range(-100.0..200.0)),
+        Vec2::new(enter_side * 500.0, rng.random_range(-100.0..200.0)),
+        Vec2::new(enter_side * 200.0, rng.random_range(0.0..250.0)),
+        Vec2::new(-enter_side * 150.0, rng.random_range(-50.0..200.0)),
+        Vec2::new(-enter_side * 500.0, rng.random_range(-100.0..200.0)),
     ]
 }

src/systems/fog.rs

@@ -1,7 +1,7 @@
 use crate::components::FogWisp;
 use crate::resources::{WeatherState, WeatherType};
 use bevy::prelude::*;
-use rand::Rng;
+use rand::RngExt;
 
 #[derive(Resource)]
 pub struct FogAssets {
@@ -34,20 +34,20 @@ pub fn fog_spawn_system(
 
     // Spawn wisps if we need more
     if current_count < target_count {
-        let mut rng = rand::thread_rng();
+        let mut rng = rand::rng();
         commands.spawn((
             Sprite {
                 image: fog_assets.fog_wisp_handle.clone(),
                 ..default()
             },
             Transform::from_xyz(
-                rng.gen_range(-450.0..450.0),
-                rng.gen_range(-250.0..250.0),
+                rng.random_range(-450.0..450.0),
+                rng.random_range(-250.0..250.0),
                 50.0,
             ),
             FogWisp {
-                drift_speed: rng.gen_range(10.0..30.0),
-                alpha_phase: rng.gen_range(0.0..std::f32::consts::TAU),
+                drift_speed: rng.random_range(10.0..30.0),
+                alpha_phase: rng.random_range(0.0..std::f32::consts::TAU),
             },
         ));
     }

src/systems/rain.rs

@@ -2,7 +2,7 @@ use crate::components::RainDrop;
 use crate::resources::WeatherState;
 use crate::resources::WeatherType;
 use bevy::prelude::*;
-use rand::Rng;
+use rand::RngExt;
 
 const RAIN_SPAWN_RATE: f32 = 15.0; // drops per second
 
@@ -48,18 +48,21 @@ pub fn rain_spawn_system(
     rain_assets.spawn_timer.tick(time.delta());
 
     if rain_assets.spawn_timer.just_finished() {
-        let mut rng = rand::thread_rng();
+        let mut rng = rand::rng();
 
         // Spawn rain drops based on multiplier
-        if rng.gen::<f32>() < spawn_multiplier {
+        if rng.random::<f32>() < spawn_multiplier {
             commands.spawn((
                 Sprite {
                     image: rain_assets.raindrop_handle.clone(),
                     ..default()
                 },
-                Transform::from_xyz(rng.gen_range(-420.0..420.0), 320.0, 50.0),
+                Transform::from_xyz(rng.random_range(-420.0..420.0), 320.0, 50.0),
                 RainDrop {
-                    velocity: Vec2::new(rng.gen_range(-10.0..10.0), rng.gen_range(-300.0..-200.0)),
+                    velocity: Vec2::new(
+                        rng.random_range(-10.0..10.0),
+                        rng.random_range(-300.0..-200.0),
+                    ),
                     lifetime: 3.0,
                 },
             ));

src/systems/wind.rs

@@ -1,7 +1,7 @@
 use crate::components::WindLeaf;
 use crate::resources::{WeatherState, WeatherType};
 use bevy::prelude::*;
-use rand::Rng;
+use rand::RngExt;
 
 #[derive(Resource)]
 pub struct WindAssets {
@@ -30,23 +30,26 @@ pub fn wind_spawn_system(
     wind_assets.spawn_timer.tick(time.delta());
 
     if wind_assets.spawn_timer.just_finished() {
-        let mut rng = rand::thread_rng();
+        let mut rng = rand::rng();
 
         // Random spawn chance (3-8 per second)
-        if rng.gen::<f32>() < 0.5 {
+        if rng.random::<f32>() < 0.5 {
             commands.spawn((
                 Sprite {
                     image: wind_assets.leaf_handle.clone(),
                     ..default()
                 },
                 Transform::from_xyz(
                     450.0, // Start from right edge
-                    rng.gen_range(-200.0..200.0),
+                    rng.random_range(-200.0..200.0),
                     50.0,
                 ),
                 WindLeaf {
-                    velocity: Vec2::new(rng.gen_range(-200.0..-100.0), rng.gen_range(-20.0..20.0)),
-                    rotation_speed: rng.gen_range(-3.0..3.0),
+                    velocity: Vec2::new(
+                        rng.random_range(-200.0..-100.0),
+                        rng.random_range(-20.0..20.0),
+                    ),
+                    rotation_speed: rng.random_range(-3.0..3.0),
                     lifetime: 8.0,
                 },
             ));