The calendar local-time and AI airport-read fixes are a numbered product release rather than a temporary snapshot, so the changelog and package/version metadata now use 1.5.5 consistently.
Constraint: Existing snapshot tag was already pushed before the numbered release correction
Rejected: Keep snapshot label in changelog | user clarified this should be the 1.5.5 version
Confidence: high
Scope-risk: narrow
Tested: Reviewed git diff for CHANGELOG, VERSION, frontend package metadata
Not-tested: No runtime tests; metadata-only version correction
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