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docs(tier): correct large-tier galaxy count to 2.5M#171

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rulkens merged 1 commit into
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docs-large-tier-galaxy-count
May 20, 2026
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docs(tier): correct large-tier galaxy count to 2.5M#171
rulkens merged 1 commit into
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docs-large-tier-galaxy-count

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@rulkens rulkens commented May 20, 2026

Summary

Several docstrings, copy strings, and the OG image referenced "3.5M galaxies" / "~3.5M ops" for the large-tier catalog. The actual loaded count is ~2.5M (SDSS large + GLADE large + 2MRS + Famous).

Files updated

File What changed
CLAUDE.md Two references to "~3.5M total" galaxy count in the engine + perf-debugging notes
README.md Tier-selector caption (~3.5M → ~2.5M)
src/@types/data/Tier.d.ts Type docblock
src/data/galaxyCatalogTransfer.ts Module docblock
src/utils/cluster/clusterMembership.ts Three references in docstrings + a Math.sqrt performance note
src/utils/initialTierFromViewport.ts "Large is intentionally never auto-selected" rationale
tools/site/makeOgImage.ts The footer text rendered into the OG image at https://skymap.rulkens.com

Intentionally not updated

  • docs/superpowers/plans/completed/* — completed plans are point-in-time artifacts; rewriting them would misrepresent what was true at time-of-writing.
  • docs/superpowers/specs/completed/* — same.
  • docs/outreach/emails/* — historical sent communications.

Test plan

  • npm run typecheck clean (only doc/string changes, no code logic)
  • After merge, regenerate OG image (npm run build runs makeOgImage) — verify the social card shows "~2.5M galaxies"

Several docstrings, copy strings, and the OG image referenced "3.5M
galaxies" or "~3.5M ops" for the large-tier catalog. The actual
loaded count today is ~2.5M (SDSS large + GLADE large + 2MRS + Famous).
Update all live references; completed plans/specs and historical
outreach emails are left intact as point-in-time artifacts.

Touches CLAUDE.md, README.md, Tier docstring, two utils docstrings,
the catalog transfer module's docblock, and the OG image's footer text.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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May 20 2026, 12:04 AM

@rulkens rulkens merged commit 6f7724d into main May 20, 2026
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@rulkens rulkens deleted the docs-large-tier-galaxy-count branch May 20, 2026 00:05
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