search : recherche fuzzy avec scoring + suggestions vouliez-vous-dire (issue #26) - sous-chaine, subsequence, tolerance de frappe (Levenshtein), tri par pertinence

src/commands/search_cmd.rs

@@ -53,8 +53,16 @@ pub fn run(app: &App, keyword: &str, category: Option<&str>) -> Result<i32> {
         )
     );
     if app.catalog.search(keyword, category).is_empty() {
-        app.log
-            .info(&format!("no agent matches '{keyword}' (categories: {})", app.catalog.categories().join(", ")));
+        let suggestions = app.catalog.suggest(keyword);
+        if suggestions.is_empty() {
+            app.log
+                .info(&format!("no agent matches '{keyword}' (categories: {})", app.catalog.categories().join(", ")));
+        } else {
+            app.log.info(&format!(
+                "no agent matches '{keyword}' — vouliez-vous dire : {} ?",
+                suggestions.join(", ")
+            ));
+        }
     }
     Ok(0)
 }