style: revised a few stylistic choices after I changed my mind

src/config/macro_policy.rs

@@ -287,6 +287,7 @@ fn discover_macros_in(dirs: &[(MacroSource, PathBuf)]) -> Vec<DiscoveredMacro> {
 #[cfg(test)]
 mod tests {
     use super::*;
+    use crate::repl;
     use crate::utils::get_env_name;
     use serial_test::serial;
     use std::path::Path;
@@ -573,7 +574,7 @@ mod tests {
             None,
             None,
             None,
-            &crate::repl::builtin_command_names(),
+            &repl::builtin_command_names(),
         );
 
         assert_eq!(state_of(&policy, "prompt"), &MacroState::ShadowedBuiltin);
@@ -587,7 +588,7 @@ mod tests {
             None,
             None,
             None,
-            &crate::repl::builtin_command_names(),
+            &repl::builtin_command_names(),
         );
 
         assert_eq!(state_of(&policy, "temp-role"), &MacroState::ShadowedBuiltin);

src/function/mod.rs

@@ -1963,6 +1963,7 @@ fn render_resource_content(
         "total_bytes": rendered.total_bytes,
         "next_offset": rendered.next_offset,
     });
+
     if let Some(next_offset) = rendered.next_offset {
         value["note"] = json!(format!(
             "Content truncated; re-call with offset={next_offset} to continue (max_bytes is \
@@ -1970,6 +1971,7 @@ fn render_resource_content(
             render::TEXT_MAX_BYTES_CLAMP
         ));
     }
+
     Ok(value)
 }
 
@@ -2010,6 +2012,7 @@ fn render_tool_result(mut result: Value, server: &str) -> Result<Value> {
             }),
         );
     }
+
     Ok(result)
 }
 
@@ -2049,6 +2052,7 @@ fn render_tool_content_item(item: &mut Value, server: &str) -> Result<()> {
         }
         _ => {}
     }
+
     Ok(())
 }
 
@@ -2068,6 +2072,7 @@ fn render_tool_blob(
         // One undecodable item must not sink the rest of the result.
         Err(error) => json!({ "error": format!("Failed to render blob content: {error}") }),
     };
+
     if let Some(map) = value.as_object_mut() {
         if let Some(mime_type) = mime_type
             && !map.contains_key("mime_type")
@@ -2078,6 +2083,7 @@ fn render_tool_blob(
             map.insert("uri".to_string(), json!(uri));
         }
     }
+
     Ok(value)
 }
 
@@ -2085,9 +2091,11 @@ fn clamp_tool_text(container: &mut Value) {
     let Some(text) = container.get("text").and_then(Value::as_str) else {
         return;
     };
+
     if text.len() <= render::TEXT_MAX_BYTES_CLAMP {
         return;
     }
+
     let total_bytes = text.len();
     let clamped = render::truncate_utf8(text, render::TEXT_MAX_BYTES_CLAMP).to_string();
     let Some(map) = container.as_object_mut() else {
@@ -2110,9 +2118,11 @@ fn clamp_metadata_field(object: &mut Value, key: &str) {
     let Some(text) = object.get(key).and_then(Value::as_str) else {
         return;
     };
+
     if text.len() <= render::METADATA_MAX_BYTES {
         return;
     }
+
     let clamped = render::clamp_metadata(text);
     object[key] = json!(clamped);
 }
@@ -2471,6 +2481,7 @@ mod tests {
     use rmcp::model::{CallToolResult, ContentBlock};
     use serde_json::json;
     use serial_test::serial;
+    use std::process;
     use std::sync::Arc;
 
     fn call(name: &str, id: Option<&str>) -> ToolCall {
@@ -2779,11 +2790,8 @@ mod tests {
         assert_eq!(MCP_INVOKE_META_FUNCTION_NAME_PREFIX, "mcp_invoke");
         assert_eq!(MCP_SEARCH_META_FUNCTION_NAME_PREFIX, "mcp_search");
         assert_eq!(MCP_DESCRIBE_META_FUNCTION_NAME_PREFIX, "mcp_describe");
-        assert_eq!(crate::mcp::MCP_READ_META_FUNCTION_NAME_PREFIX, "mcp_read");
-        assert_eq!(
-            crate::mcp::MCP_PROMPT_META_FUNCTION_NAME_PREFIX,
-            "mcp_prompt"
-        );
+        assert_eq!(MCP_READ_META_FUNCTION_NAME_PREFIX, "mcp_read");
+        assert_eq!(MCP_PROMPT_META_FUNCTION_NAME_PREFIX, "mcp_prompt");
     }
 
     #[test]
@@ -2866,7 +2874,9 @@ mod tests {
     #[test]
     fn functions_append_mcp_meta_creates_three_per_server() {
         let mut f = Functions::default();
+
         f.append_mcp_meta_functions(vec![tools_only("github")]);
+
         assert_eq!(f.declarations().len(), 3);
         assert!(f.contains("mcp_invoke_github"));
         assert!(f.contains("mcp_search_github"));
@@ -2876,7 +2886,9 @@ mod tests {
     #[test]
     fn functions_append_mcp_meta_multiple_servers() {
         let mut f = Functions::default();
+
         f.append_mcp_meta_functions(vec![tools_only("github"), tools_only("slack")]);
+
         assert_eq!(f.declarations().len(), 6);
         assert!(f.contains("mcp_invoke_github"));
         assert!(f.contains("mcp_invoke_slack"));
@@ -2892,7 +2904,9 @@ mod tests {
     #[test]
     fn functions_append_mcp_meta_resources_only_omits_invoke() {
         let mut f = Functions::default();
+
         f.append_mcp_meta_functions(vec![mcp_features("res", false, true, false)]);
+
         assert_eq!(f.declarations().len(), 3);
         assert!(!f.contains("mcp_invoke_res"));
         assert!(!f.contains("mcp_prompt_res"));
@@ -2904,7 +2918,9 @@ mod tests {
     #[test]
     fn functions_append_mcp_meta_all_capabilities_emits_five() {
         let mut f = Functions::default();
+
         f.append_mcp_meta_functions(vec![mcp_features("srv", true, true, true)]);
+
         assert_eq!(f.declarations().len(), 5);
         assert!(f.contains("mcp_invoke_srv"));
         assert!(f.contains("mcp_search_srv"));
@@ -3485,7 +3501,7 @@ mod tests {
         static COUNTER: AtomicU64 = AtomicU64::new(0);
         let cache_dir = env::temp_dir().join(format!(
             "coyote-read-blob-{}-{}",
-            std::process::id(),
+            process::id(),
             COUNTER.fetch_add(1, Ordering::Relaxed)
         ));
         fs::create_dir_all(&cache_dir).unwrap();
@@ -3623,7 +3639,7 @@ mod tests {
         static COUNTER: AtomicU64 = AtomicU64::new(0);
         let cache_dir = env::temp_dir().join(format!(
             "coyote-tool-blob-{}-{}",
-            std::process::id(),
+            process::id(),
             COUNTER.fetch_add(1, Ordering::Relaxed)
         ));
         fs::create_dir_all(&cache_dir).unwrap();

src/mcp/mod.rs

@@ -456,6 +456,7 @@ impl McpRegistry {
                 )
             })
             .collect();
+
         features.sort_by(|a, b| a.name.cmp(&b.name));
         features
     }

src/mcp/render.rs

@@ -7,7 +7,7 @@ use base64::read::DecoderReader;
 use fancy_regex::Regex;
 use serde::Serialize;
 use sha2::{Digest, Sha256};
-use std::fmt;
+use std::error::Error;
 use std::fs::{self, OpenOptions};
 use std::io::{ErrorKind, Read, Write};
 #[cfg(unix)]
@@ -15,6 +15,7 @@ use std::io::{ErrorKind, Read, Write};
 use std::os::unix::fs::OpenOptionsExt;
 use std::path::{Path, PathBuf};
 use std::time::SystemTime;
+use std::{fmt, io};
 
 /// Default page size when the caller does not specify `max_bytes`.
 pub const DEFAULT_TEXT_MAX_BYTES: usize = 51_200;
@@ -49,7 +50,7 @@ pub enum RenderError {
     InvalidPattern { pattern: String, error: String },
     DecodedSizeExceeded,
     InvalidBase64(String),
-    Io(std::io::Error),
+    Io(io::Error),
 }
 
 impl fmt::Display for RenderError {
@@ -71,8 +72,8 @@ impl fmt::Display for RenderError {
     }
 }
 
-impl std::error::Error for RenderError {
-    fn source(&self) -> Option<&(dyn std::error::Error + 'static)> {
+impl Error for RenderError {
+    fn source(&self) -> Option<&(dyn Error + 'static)> {
         match self {
             Self::Io(error) => Some(error),
             _ => None,
@@ -80,8 +81,8 @@ impl std::error::Error for RenderError {
     }
 }
 
-impl From<std::io::Error> for RenderError {
-    fn from(error: std::io::Error) -> Self {
+impl From<io::Error> for RenderError {
+    fn from(error: io::Error) -> Self {
         Self::Io(error)
     }
 }
@@ -145,6 +146,7 @@ pub fn render_text(
             end += 1;
         }
     }
+
     let truncated = end < total_bytes;
     Ok(RenderedText {
         text: stream[start..end].to_string(),
@@ -222,6 +224,7 @@ pub fn clamp_metadata(text: &str) -> String {
     if text.len() <= METADATA_MAX_BYTES {
         return text.to_string();
     }
+
     let clamped = truncate_utf8(text, METADATA_MAX_BYTES);
     format!("{clamped} [truncated: exceeds METADATA_MAX_BYTES ({METADATA_MAX_BYTES} bytes)]")
 }
@@ -259,6 +262,7 @@ fn filter_lines(text: &str, pattern: &str) -> Result<String, RenderError> {
         out.push(format!("{}{marker}{line}", i + 1));
         prev_kept = Some(i);
     }
+
     Ok(out.join("\n"))
 }
 
@@ -309,6 +313,7 @@ fn extension_for_mime(mime: Option<&str>) -> &'static str {
         && ext
             .bytes()
             .all(|b| b.is_ascii_lowercase() || b.is_ascii_digit());
+
     if safe { ext } else { "bin" }
 }
 
@@ -354,9 +359,11 @@ fn evict_oldest(mut entries: Vec<SpillEntry>, max_total: u64, protect: &Path) {
         if total <= max_total {
             break;
         }
+
         if entry.path == *protect {
             continue;
         }
+
         match fs::remove_file(&entry.path) {
             Ok(()) => total -= entry.size,
             Err(error) if error.kind() == ErrorKind::NotFound => total -= entry.size,

src/repl/completer.rs

@@ -224,6 +224,7 @@ fn list_prompts_blocking(
         Some(handle) => tokio::task::block_in_place(|| handle.block_on(fut)),
         None => tokio::runtime::Runtime::new().ok()?.block_on(fut),
     };
+
     result.ok()?.ok()
 }