Add reproducible open aviation data

[kewonit]

Summary

• Add deterministic data:refresh and data:check commands.
• Import open aircraft metadata from Mictronics, US registration data from the FAA, and airport data from OurAirports.
• Normalize 496,914 aircraft records into 256 stable chunks. Publish 72,490 airport records.
• Record source dates, hashes, counts, licenses, attribution, and privacy rules in one manifest.
• Exclude owner names, addresses, and other personal data.
• Reject malformed data and unexplained record-count drops above 10 percent.
• Refresh FAA data each day, OurAirports data each night, and Mictronics data each week.
• Open one draft review PR at 03:17 UTC each Monday only when generated output changes.
• Keep both dependency lockfiles synchronized.

Stack

• Stack position: 1 of 3
• PR base: main
• Base commit: 0154fcccddbfbdf940c708094498c07cc081f12e
• Next PR: Fuse selected aircraft data and validate routes #41
• Changelog impact: PR Simplify the aircraft details sidebar #42 contains the single consolidated 0.8.9 entry to prevent stack conflicts.

Verification

• pnpm test:data with 11 passing tests
• pnpm data:check with 496,914 aircraft and 72,490 airports
• pnpm test with 351 passing tests on the full stack
• pnpm lint with no errors and four existing warnings
• pnpm build
• Live refresh output matched the committed snapshot

Production safety

• main is production.
• Keep this PR as a draft and unmerged for review.
• Do not enable auto-merge or deploy from this PR.

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Project	Deployment	Actions	Updated (UTC)
aeris-flight	Ready	Preview	Aug 23, 2026 6:27pm