style(man): fix minor code style issues

Remove unnecessary deref in string comparison and use descriptive name
for `example_command` variable in `render_examples_section`.

https://claude.ai/code/session_01CrXuWDMVQsiUBoy6ceACsF

Author: claude

cli/man_page.rs

@@ -78,7 +78,7 @@ fn render_man_output(page_num: u8) -> Result<String, String> {
 
 fn check_file(path: &str, expected: &str) -> ExitCode {
     match std::fs::read_to_string(path) {
-        Ok(actual) if actual == *expected => ExitCode::SUCCESS,
+        Ok(actual) if actual == expected => ExitCode::SUCCESS,
         Ok(_) => {
             eprintln!("{path} is outdated, run ./generate-completions.sh to update it");
             ExitCode::FAILURE

src/man_page.rs

@@ -271,8 +271,8 @@ fn render_examples_section(out: &mut String, command: &Command) {
         if line.is_empty() {
             continue;
         }
-        if let Some(command) = line.strip_prefix("$ ") {
-            writeln!(out, ".nf\n\\fB$ {}\\fR\n.fi", roff_escape(command)).unwrap();
+        if let Some(example_command) = line.strip_prefix("$ ") {
+            writeln!(out, ".nf\n\\fB$ {}\\fR\n.fi", roff_escape(example_command)).unwrap();
         } else {
             writeln!(out, ".TP\n{}", roff_escape(line)).unwrap();
         }