refactor(tools): rename safe-grep to grep with override capability

src/tools/grep/utils.ts

@@ -0,0 +1,53 @@
+import type { GrepResult, GrepMatch, CountResult } from "./types"
+
+export function formatGrepResult(result: GrepResult): string {
+  if (result.error) {
+    return `Error: ${result.error}`
+  }
+
+  if (result.matches.length === 0) {
+    return "No matches found"
+  }
+
+  const lines: string[] = []
+
+  lines.push(`Found ${result.totalMatches} match(es) in ${result.filesSearched} file(s)`)
+  if (result.truncated) {
+    lines.push("[Output truncated due to size limit]")
+  }
+  lines.push("")
+
+  const byFile = new Map<string, GrepMatch[]>()
+  for (const match of result.matches) {
+    const existing = byFile.get(match.file) || []
+    existing.push(match)
+    byFile.set(match.file, existing)
+  }
+
+  for (const [file, matches] of byFile) {
+    lines.push(file)
+    for (const match of matches) {
+      lines.push(`  ${match.line}: ${match.text.trim()}`)
+    }
+    lines.push("")
+  }
+
+  return lines.join("\n")
+}
+
+export function formatCountResult(results: CountResult[]): string {
+  if (results.length === 0) {
+    return "No matches found"
+  }
+
+  const total = results.reduce((sum, r) => sum + r.count, 0)
+  const lines: string[] = [`Found ${total} match(es) in ${results.length} file(s):`, ""]
+
+  const sorted = [...results].sort((a, b) => b.count - a.count)
+
+  for (const { file, count } of sorted) {
+    lines.push(`  ${count.toString().padStart(6)}: ${file}`)
+  }
+
+  return lines.join("\n")
+}