Fix waverider-17m-1d URL case inconsistency

[Copilot]

The waverider-17m-1d gauge URL path used uppercase 'D' (waverider-17m-1D) while the gauge identifier and similar gauges like waverider-20m-1d use lowercase.

Changes

• URL normalization: Changed path from waverider-17m-1D/waverider-17m-1D.ncml to waverider-17m-1d/waverider-17m-1d.ncml to match repository convention
• Added to gauge lists: Registered waverider-17m-1d in waveGaugeList and directionalWaveGaugeList (previously only non-1d variant existed)
• Case-insensitive input: Users can pass any case variant ('17m-1d', '17m-1D', 'WAVERIDER-17M-1D'); existing .lower() normalization handles conversion

# All variants now resolve to same lowercase URL
obs = getObs(start_date, end_date)
obs.getWaveData('waverider-17m-1D')  # works
obs.getWaveData('17m-1d')            # works
# Both → oceanography/waves/waverider-17m-1d/waverider-17m-1d.ncml

Tests updated to verify both input case handling and gauge list membership.

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Original prompt

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This section details on the original issue you should resolve

<issue_title>There's a case sensitivity inconsistency in the waverider-17m gauge URL path. The gauge name is 'waverider-17m-1d' (lowercase 'd') but the URL path uses 'waverider-17m-1D' (uppercase 'D'). This inconsistency appears in both the code and tests. Verify which case the actual THREDDS server uses and ensure consistency. If the server expects uppercase 'D', this is correct; otherwise, it should be changed to lowercase.</issue_title>
<issue_description>There's a case sensitivity inconsistency in the waverider-17m gauge URL path. The gauge name is 'waverider-17m-1d' (lowercase 'd') but the URL path uses 'waverider-17m-1D' (uppercase 'D'). This inconsistency appears in both the code and tests. Verify which case the actual THREDDS server uses and ensure consistency. If the server expects uppercase 'D', this is correct; otherwise, it should be changed to lowercase.

Originally posted by @copilot in #26 (comment)
</issue_description>

<agent_instructions>check the URL on the THREDDS, implement a URL change, but keep the string argument passed to getwave data flexible to be 1D or 1d ... this makes it easier to a user </agent_instructions>

Comments on the Issue (you are @copilot in this section)

• Fixes There's a case sensitivity inconsistency in the waverider-17m gauge URL path. The gauge name is 'waverider-17m-1d' (lowercase 'd') but the URL path uses 'waverider-17m-1D' (uppercase 'D'). This inconsistency appears in both the code and tests. Verify which case the actual THREDDS server uses and ensure consistency. If the server expects uppercase 'D', this is correct; otherwise, it should be changed to lowercase. #33

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[Copilot]

Pull request overview

This PR fixes a case inconsistency in the waverider-17m-1d gauge URL path. The gauge identifier uses lowercase 'd' but the URL path incorrectly used uppercase 'D'. The fix normalizes to lowercase to match repository conventions and the pattern used by similar gauges like waverider-20m-1d.

Changes:

• Normalized URL path from waverider-17m-1D to waverider-17m-1d to match repository conventions
• Added waverider-17m-1d to waveGaugeList and directionalWaveGaugeList (previously only non-1d variant was registered)
• Updated tests to verify case-insensitive input handling (both '1D' and '1d' variants work)

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
murgtools/getdata/getDataFRF.py	Fixed URL path to use lowercase 'd' in waverider-17m-1d, added gauge to waveGaugeList and directionalWaveGaugeList
tests/test_getDataFRF.py	Updated tests to verify both case variants ('1D' and '1d') resolve to lowercase URL, added gauge to gauge list membership tests

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