feat: add whatsapp_modular_v3_6 - envio automatizado WhatsApp Web con busqueda por nombre, deteccion de ticks via msg-meta/SVG title, y validacion de selectores

Python/whatsapp_modular_v3_6/whatsapp_sender/utils.py

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+import os
+import shutil
+from datetime import datetime, timedelta
+from pathlib import Path
+
+from .config import CLEAN_OLD_SESSIONS_DAYS, ESTADO_FILE, LOG_FILE
+
+
+def log_text(line):
+    ts = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
+    with open(LOG_FILE, "a", encoding="utf-8") as file:
+        file.write(f"{ts} | {line}\n")
+
+
+def asegurar_directorio(path):
+    os.makedirs(path, exist_ok=True)
+
+
+def save_session_state(active):
+    try:
+        with open(ESTADO_FILE, "w", encoding="utf-8") as file:
+            file.write("SESION_ACTIVA" if active else "SESION_INACTIVA")
+    except Exception as exc:
+        print(f"No se pudo guardar estado de sesion: {exc}")
+
+
+def cleanup_old_chrome_data(dirpath="./perfil_whatsapp", days=CLEAN_OLD_SESSIONS_DAYS):
+    if days <= 0:
+        return
+
+    try:
+        base = Path(dirpath)
+        if not base.exists():
+            return
+
+        cutoff = datetime.now() - timedelta(days=days)
+        for child in base.iterdir():
+            try:
+                mtime = datetime.fromtimestamp(child.stat().st_mtime)
+                if mtime < cutoff and child.is_dir():
+                    shutil.rmtree(child)
+                    print(f"Eliminada sesion antigua: {child}")
+            except Exception:
+                continue
+    except Exception as exc:
+        print(f"Error limpiando sesiones antiguas: {exc}")