Update Rust to v1.98.0

crates/procnote-core/src/template/parser.rs

@@ -278,7 +278,7 @@ fn is_pure_task_list(
             .all(|item_index| direct_item_has_marker(events, item_index))
 }
 
-fn direct_item_has_marker(events: &[MarkdownEvent<'_>], item_start_index: usize) -> bool {
+const fn direct_item_has_marker(events: &[MarkdownEvent<'_>], item_start_index: usize) -> bool {
     let mut item_depth = 1usize;
     let mut index = item_start_index + 1;
     while index < events.len() {

rust-toolchain.toml

@@ -1,3 +1,3 @@
 [toolchain]
-channel = "1.97.1"
+channel = "1.98.0"
 profile = "default"

src-tauri/src/commands/drop_point.rs

@@ -668,7 +668,7 @@ fn render_qr_svg(value: &str) -> Result<String, String> {
 #[cfg(test)]
 #[expect(clippy::unwrap_used, reason = "unwrap is acceptable in tests")]
 mod tests {
-    use std::io::{Read as _, Write as _};
+    use std::io::Write as _;
     use std::net::{TcpListener, TcpStream};
     use std::sync::mpsc;
     use std::thread;