Improve parser: trim lines, add timestamp extraction

src/parser.ts

@@ -1,4 +1,9 @@
-// Directive parser
-export function parse(raw: string) {
-  return raw.split("\n").filter(Boolean);
+// Directive parser v2
+export function parse(raw: string): string[] {
+  return raw.split("\n").map(l => l.trim()).filter(Boolean);
+}
+
+export function parseTimestamp(line: string): Date | null {
+  const match = line.match(/\d{4}-\d{2}-\d{2}/);
+  return match ? new Date(match[0]) : null;
 }