fix: NorthHertfordshireDistrictCouncil - migrate to Netcall Liberty Create portal

[InertiaUK]

Problem

The old scraper targeted https://apps.cloud9technologies.com/northherts/citizenmobile/mobileapi/{UPRN}/ which now returns HTTP 404. NHDC has moved its bin-collection lookup to a Netcall Liberty Create portal at:

https://waste.nc.north-herts.gov.uk/w/webpage/find-bin-collection-day-input-address

There is no public UPRN shortcut on the new portal — submit URLs carry an auth signature bound to the session-issued webpage_token (direct GET with ?id=<record_id> returns 403 Forbidden). The form is also entirely client-rendered (initial HTML contains no <form>), so a pure-requests implementation would have to replay ~30 Liberty presenter params per call and is extremely fragile. Selenium is the pragmatic path — the old fixture already declared web_driver: http://selenium:4444 anyway.

Fix

Selenium-driven typeahead flow:

1. driver.get the input form page.
2. Type postcode into input.relation_path_type_ahead_search.
3. Wait for div.relation_path_type_ahead_results_holder ul.result_list li[data-id] to render.
4. Pick the <li> whose text contains the paon (case-insensitive substring match; falls back to the first result if the caller doesn't provide a house-number match).
5. Click input[type=submit][aria-label='Select address and continue'].
6. Wait for the show-details result URL, then parse bin-type headings (Cardboard & Paper / Food Waste / Non-Recyclable Waste / Mixed Recycling / Garden Waste / Refuse / Glass) paired with the following Next collection date. Strip ordinal suffixes and parse %A %d %B %Y.

Fixture change

Required — the old fixture was UPRN-only and the new portal doesn't accept UPRN input. Updated to:

"NorthHertfordshireDistrictCouncil": {
    "house_number": "Stewards Flat",
    "postcode": "SG5 1PZ",
    "skip_get_url": true,
    "url": "https://waste.nc.north-herts.gov.uk/w/webpage/find-bin-collection-day-input-address",
    "web_driver": "http://selenium:4444",
    "wiki_name": "North Hertfordshire",
    "wiki_note": "Pass a postcode (with space) and house_number/name. The scraper performs the Liberty Create typeahead lookup and matches house_number as a case-insensitive substring.",
    "LAD24CD": "E07000099"
}

Verification

Live run against the fixture returns 4 bins:

Cardboard & Paper      23/04/2026
Food Waste             23/04/2026
Non-Recyclable Waste   30/04/2026
Mixed Recycling        08/05/2026

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📒 Files selected for processing (2)

• uk_bin_collection/tests/input.json
• uk_bin_collection/uk_bin_collection/councils/NorthHertfordshireDistrictCouncil.py

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[robbrad]

Included in May 2026 Release PR #1992. Closing.