add helper scripts

scripts/probe_listing_shape.py

@@ -0,0 +1,30 @@
+from playwright.sync_api import sync_playwright
+import re
+
+url = "https://www.dubizzle.com/Vehiclelisting/Cars?Make=FORD"
+
+with sync_playwright() as p:
+    browser = p.chromium.launch(headless=True, args=["--headless=new"])
+    page = browser.new_page()
+    page.goto(url, wait_until="commit", timeout=60000)
+
+    try:
+        page.wait_for_load_state("domcontentloaded", timeout=5000)
+    except Exception:
+        pass
+
+    title = page.title()
+    text = (page.evaluate("() => document.body ? document.body.innerText : ''") or "")
+    html = page.content()
+    combined = (text + "\n" + html).lower()
+
+    print("TITLE=", title)
+    print("URL=", page.url)
+    print("HAS_INCAPSULA=", "incapsula" in combined)
+    print("HAS_CAPTCHA=", "captcha" in combined)
+    print("HAS_CHALLENGE=", "challenge" in combined)
+    print("HAS_VEHICLEDETAIL=", "/vehicledetail/" in combined)
+    print("HAS_MOTORS_USED_CARS=", "/motors/used-cars/" in combined)
+    print("TEXT_PREVIEW=", re.sub(r"\s+", " ", text)[:1000])
+
+    browser.close()