fix: clear clippy warnings in core query and matching

Author: omoshola-o

crates/agentic-evolve-core/src/matching/signature.rs

@@ -131,8 +131,8 @@ fn levenshtein_distance(a: &str, b: &str) -> usize {
     for (i, row) in dp.iter_mut().enumerate().take(m + 1) {
         row[0] = i;
     }
-    for j in 0..=n {
-        dp[0][j] = j;
+    for (j, cell) in dp[0].iter_mut().enumerate().take(n + 1) {
+        *cell = j;
     }
     for i in 1..=m {
         for j in 1..=n {

crates/agentic-evolve-core/src/query/intent.rs

@@ -5,11 +5,12 @@ use serde::{Deserialize, Serialize};
 /// The level of detail a query should return.
 ///
 /// Defaults to `IdsOnly` to be token-conservative.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize)]
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Serialize, Deserialize, Default)]
 pub enum ExtractionIntent {
     /// Just check existence — returns a boolean.
     Exists,
     /// Return only identifiers.
+    #[default]
     IdsOnly,
     /// Return a compact summary (name, id, key metadata).
     Summary,
@@ -19,12 +20,6 @@ pub enum ExtractionIntent {
     Full,
 }
 
-impl Default for ExtractionIntent {
-    fn default() -> Self {
-        Self::IdsOnly
-    }
-}
-
 impl ExtractionIntent {
     /// Estimated token cost multiplier relative to `Full`.
     ///