feat: add fuzzy target name matching and display name formatting

Normalize user input by removing separators (spaces, underscores, dots,
hyphens) and ignore case when looking up targets.  Display names in the
list menu with spaces instead of underscores or hyphens for readability.

2 files changed, 34 insertions, 6 deletions

diff --git a/run.ps1 b/run.ps1
index 782fd46..f0c3652 100644
--- a/run.ps1
+++ b/run.ps1
@@ -96,7 +96,8 @@ if ($args.Count -eq 0) {
             "nim" { "Nim" }
             "exe" { "Binary" }
         }
-        $entry = "  " + $i.ToString().PadRight($num_w) + ") " + $name.PadRight($max_name) + " [$lang]"
+        $displayName = $name -replace '[_\-]', ' '
+        $entry = "  " + $i.ToString().PadRight($num_w) + ") " + $displayName.PadRight($max_name) + " [$lang]"
         Write-Host ("│" + $entry.PadRight($inner_w) + "│")
         $i++
     }
@@ -120,8 +121,21 @@ if ($target_name -match '^\d+$') {
 }
 
 if (-not $tools.ContainsKey($target_name)) {
-    Write-Host "Error: target '$target_name' does not exist"
-    exit 1
+    $normalized = $target_name.ToLower() -replace '[ _\-\.]', ''
+    $found = $null
+    foreach ($key in $tools.Keys) {
+        $keyNormalized = $key.ToLower() -replace '[ _\-\.]', ''
+        if ($normalized -eq $keyNormalized) {
+            $found = $key
+            break
+        }
+    }
+    if ($found) {
+        $target_name = $found
+    } else {
+        Write-Host "Error: target '$target_name' does not exist"
+        exit 1
+    }
 }
 
 $script_args = $args[1..$args.Count]
diff --git a/run.sh b/run.sh
index 13ee953..4375c32 100755
--- a/run.sh
+++ b/run.sh
@@ -114,7 +114,8 @@ if [ $# -eq 0 ]; then
             nim) lang="Nim";;
             binary) lang="Binary";;
         esac
-        entry=$(printf "  %-*d) %-*s [%s]" $num_w $i $max_name $name $lang)
+        display_name=$(echo "$name" | tr '_-' '  ')
+        entry=$(printf "  %-*d) %-*s [%s]" $num_w $i $max_name "$display_name" $lang)
         printf "│%-*s│\n" $inner_w "$entry"
         i=$((i + 1))
     done
@@ -139,8 +140,21 @@ if [[ "$target_name" =~ ^[0-9]+$ ]]; then
 fi
 
 if [ -z "${tools[$target_name]}" ]; then
-    echo "Error: target '$target_name' does not exist"
-    exit 1
+    normalized_user=$(echo "$target_name" | tr '[:upper:]' '[:lower:]' | sed 's/[_. -]//g')
+    found=""
+    for existing_name in "${!tools[@]}"; do
+        normalized_existing=$(echo "$existing_name" | tr '[:upper:]' '[:lower:]' | sed 's/[_. -]//g')
+        if [ "$normalized_user" = "$normalized_existing" ]; then
+            found="$existing_name"
+            break
+        fi
+    done
+    if [ -n "$found" ]; then
+        target_name="$found"
+    else
+        echo "Error: target '$target_name' does not exist"
+        exit 1
+    fi
 fi
 
 type="${tools[$target_name]}"