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privacy: declare product email as a purpose for the login email - #448

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JasonYeYuhe merged 1 commit into
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privacy-email-research-purpose
Aug 23, 2026
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privacy: declare product email as a purpose for the login email#448
JasonYeYuhe merged 1 commit into
mainfrom
privacy-email-research-purpose

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Why

The policy said the login email is "Required to authenticate you" — and nothing else. Emailing users a product survey would have gone beyond the declared purpose.

That is not academic: the user base spans EU territories (DE, FR, IT, DK, PL, BE, AT), and there are 204 addresses on file.

What changes

Declares the second purpose and bounds it:

  • occasional product email only — a short survey, or notice of a change that materially affects someone
  • not marketing · not shared · not frequent · not a condition of anything
  • one-click opt out on every such email, immediate and permanent
  • any incentive offered for a survey is unconditional on the answer, and nothing is ever traded for an App Store review (Apple forbids it, and so should we)

Adds a matching "Stop product email" entry under Your controls — a declared purpose with no way to refuse it is not a control.

The page users actually read

PRIVACY.md is the repo copy; the live page is docs/privacy.html in the public remote. Both are updated with the same wording and a #product-email anchor. ⚠️ The live push is not done — the classifier blocked it, so it needs a human hand.

The legacy jasonyeyuhe.github.io copy needs no edit: verified today that it's a meta-refresh stub pointing at the main site (1,047 bytes vs 18,647), which also confirms AGENTS.md's description of it is still accurate. Shipped builds link to that host, so it was worth checking rather than assuming.

Sequencing

This must be live before any survey goes out, not after. Sending first and updating the policy afterwards is the failure this PR exists to prevent.

🤖 Generated with Claude Code

The policy said the login email was 'Required to authenticate you' and nothing
else. Emailing users a product survey would therefore have exceeded the
declared purpose — and the user base spans EU territories (DE, FR, IT, DK, PL,
BE, AT), so purpose limitation is not academic here.

Declares the second purpose and bounds it: occasional product email only (a
short survey, or notice of a change that materially affects someone); NOT
marketing, NOT shared, NOT frequent, NOT a condition of anything; one-click opt
out on every such email, immediate and permanent. Any incentive offered for a
survey is unconditional on the answer, and nothing is ever traded for an App
Store review — Apple forbids it and so should we.

Adds a matching 'Stop product email' entry under Your controls, because a
declared purpose with no way to refuse it is not a control.

Mirrors docs/privacy.html on the public site (the page users actually read).
The legacy jasonyeyuhe.github.io copy needs no edit — verified today that it is
a meta-refresh stub pointing at the main site (1,047 bytes vs 18,647), which
also confirms AGENTS.md's description of it is still accurate.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Copilot AI lite review requested due to automatic review settings August 21, 2026 10:27

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Copilot was unable to review this pull request because the user who requested the review has reached their quota limit.

@JasonYeYuhe
JasonYeYuhe merged commit 422c176 into main Aug 23, 2026
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@JasonYeYuhe
JasonYeYuhe deleted the privacy-email-research-purpose branch August 23, 2026 06:13
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2 participants