Claude Code Prompt (Windows, with Claude in Chrome): finish the Felhom.eu Facebook Page setup

For the operator — what this does, in one page

What is true today. The robot key works and reaches the Page. You uploaded the new profile picture (dark) and cover C. The Page still shows the OLD intro text. The username, the action button, the details text and the Messenger welcome message are not set yet.

What this run does. Claude Code on your Windows PC uses your Chrome (Claude in Chrome) to:

read Meta's own picture-size page, which DooPlex could not open;
check the new pictures on the live Page, at computer width and at phone width;
paste the texts from marketing/facebook/COPY.md: the intro, the details, the Messenger welcome;
set the action button to the website;
set the Page username — only after you say which name (it asks you first).

What you will be asked to do. One answer: the username (proposed: felhom). Maybe a permission click in Chrome for facebook.com.

What is not affected. No post. No ad, no boost, no money, no Meta Verified. The app stays in development mode. No box, no customer, no hub.

0. Task class & scope

Operational — Page settings by hand, through the operator's own browser. No product code.
Repos touched: felhom.eu only (marketing/, documentation/audits/, register rows R-914/R-915/R-916 only if a fact changes).

1. Confirmed baselines

Repo	`main` @ commit	→
felhom.eu	`0fd4c818` (or later — pull first; the clean-tree gate applies)	commit to `main` directly

2. Where things are

Page: Felhom.eu, Graph ID 1360018983863273, browser address https://www.facebook.com/profile.php?id=61595336666018.
Business portfolio 4713349378884589; Meta app felhom.eu (2273465403490709), development mode — leave it.
Texts: marketing/facebook/COPY.md (§1 intro, §2 details, §3 Messenger welcome, §4 posts — NOT this task).
Pictures and their checks: marketing/facebook/README.md, out/preview.html.
What was proven so far: documentation/audits/SPIKE-facebook-page-api-2026-10-08.md, REPORT-facebook-page-api.md, REPORT-facebook-page-pictures.md.
Read-only probe: scripts/facebook/fb_probe.py (token from the credentials file; Bearer header; redacts).

3. Fences — read before any click

Read-only on Facebook except the five edits in §5. No post, no story, no reel, no comment, no reply, no message sent, no like, no follow, no invite. If a dialog offers „share to feed / Megosztás a hírfolyamban", turn it off.
No money and nothing that can cost money: no „Hirdess" / Boost / Ads Manager, no Meta Verified, no payment settings, no „Bevételszerzés".
No change to the Meta app or the business: do not switch the app to Live (R-915 needs a Terms of Service URL first), no new permission, no new token, no system-user change, no Page role change.
Secrets: never print, screenshot or commit FACEBOOK_API or any token. No screenshot of the credentials file, Business Suite's token pages, the Messenger inbox or the operator's personal profile. Screenshots of the Page itself and of the setting being changed are fine.
Ask, do not guess: the username is a public, hard-to-change name — ask the operator first. Any field not listed in §5: leave it.
No dialogs you cannot see the end of: avoid buttons that may raise a browser confirm(); if Chrome stops responding, ask the operator to close the dialog.
Standing rules apply (workspace CLAUDE.md): never test and commit in one command; an absent line is not proof — verify each change with a positive read-back from a different channel than the one that made it; evidence is saved at the end of each phase.
Hungarian text: paste exactly from COPY.md; compare by UTF-8 hex, not by eye. Search Hungarian with ASCII fragments, with a positive and a negative control.
Commit to main; no branch; no „Co-Authored-By" line. Stage explicit paths only (never git add -A).

4. Phase A — read Meta's own size page (first-hand)

Open https://www.facebook.com/help/125379114252045 (Hungarian title: „A Facebook-oldalak profilképének és borítóképének méretei"). Quote every pixel figure verbatim (cover on computer, on phone, minimum; profile picture sizes). Save the quote to documentation/audits/facebook-page-setup-2026-10-08/A-meta-sizes.md with the URL and the time.

Then compare with marketing/facebook/README.md „Sizes used" (820 x 312 computer, 640 x 360 phone, profile ~176 px).

Same → change that section's grade from „READ, second-hand" to „READ, Meta's help page" with the quote's path.
Different → record the difference; do NOT rebuild here; say in the report whether the pictures are still safe (the safe area is the centre 1028 x 544 px of 1640 x 624).

5. Phase B — the Page edits (each one: before screenshot → edit → after read-back)

#	Edit	Source	Read-back from a different channel
B1	Intro / Bemutatkozás → replace with `COPY.md` §1	§1 block (99 characters)	`fb_probe.py read` → `C1-page.json` `about` hex == §1 hex
B2	About → details / Részletek → `COPY.md` §2	§2 block	the Page's „Névjegy" tab, page text copied out, hex compare
B3	Action button → „Weboldal" / Website → `https://felhom.eu`	—	the Page's public view: the button's link target
B4	Messenger welcome message → `COPY.md` §3, turned on	§3 block	the setting's saved text read back, hex compare
B5	Username → the name the operator gives	ask first	the Page address `facebook.com/<name>` loads the Page

For B1 the probe is run with its own evidence directory, so the spike's evidence is not overwritten: python scripts/facebook/fb_probe.py -v --evidence documentation/audits/facebook-page-setup-2026-10-08/probe read (use py if python is not on PATH). Read rc; a non-zero rc is reported, not retried with other settings. Check the saved files hold no token: plant EAAfakeprobe in a scratch file there, grep for EAA (expect 1), delete it, grep again (expect 0).

If a field's limit refuses a text: stop that edit, quote Meta's message, report it. Do not shorten Hungarian copy yourself — the operator decides.

6. Phase C — the pictures on the live Page

With resize_window: the Page at 1440 px wide and at 390 px wide (phone). Screenshot each into the evidence directory. Check and report: the profile circle does not cut the logo; the cover headline and „felhom.eu" are whole at both widths; the profile circle does not cover cover text. A cut is a finding — report it with the screenshot; do not re-crop on Facebook.

7. Documentation and finish

Evidence: documentation/audits/facebook-page-setup-2026-10-08/ (A quote, B before/after screenshots and read-backs, C screenshots, probe JSON). No token, no personal data.
marketing/CHANGELOG.md: one entry. marketing/facebook/README.md: the sizes grade (Phase A).
REPORT-facebook-page-setup.md (own file; do not touch the shared REPORT.md).
Register: no new row unless something is refused or broken. R-915 stays open (Live mode).
Run python scripts/repo_gates.py --fast, read rc, then commit and push. Confirm the CI job for your commit by head_sha (CLAUDE.md recipe), quote its id and conclusion.

8. Final report

Baseline and pushed commit.
Phase A: Meta's figures quoted, and same/different from ours.
Each of B1–B5: done / refused / skipped, with the read-back result (hex equal yes/no).
Phase C: the four checks, with screenshot names.
Secret scan counts (with the control, after removing it).
What the operator still does: post §4 after Live (R-915); the vector logo (R-916).
Teardown: nothing posted; no app or business change; nothing on any host or the hub.

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