content: strip process artifacts from published articles

[foxis]

Published articles must read as your own first-person work. Several carried leftover production scaffolding, and two of them were visible to readers on the live site.

Reader-visible, worst first

fpv/betaflight-vtx-indexing-trap (both languages) rendered this on the live page:

You disable it on the unit itself — typically a button hold on the VTX... [TODO: confirm the exact TH3 V02 unlock sequence before publish.]

An instruction, followed by a public admission that the instruction was never verified, in an article that shipped.

I did not just delete it. Deleting would leave an unconfirmed claim reading as confirmed, which is worse. Converted into an explicit statement in your voice:

I have not confirmed the exact unlock sequence on my own TH3 V02, so treat the button-hold as the general pattern rather than a recipe, and check your VTX documentation for the specific one.

fpv/drone-detector-nn (both languages) rendered figure placeholders inside the Results section, because they were italic markdown rather than comments:

*[TODO: Training curve — loss and macro F1 across cycles, phase transitions annotated]*
*[TODO: 10×10 confusion matrix]*

Comment blocks

File	Removed
meteor75.../index.md	DRAFT NOTES FOR ANDRIUS — opened with "delete this comment block before publishing", published anyway. Six items including "still yours to confirm" and "needs your review".
meteor75.../index.lt.md	VERTIMO PASTABA + ANDRIUI PERŽIŪRĖTI, including "nesprendžiau nė vieno, palikta tau"
colorimetry/laser-power-meter/index.md	<!-- TODO: Add board.jpg -->, <!-- TODO: Add software-ui.jpg -->

I checked the LT note's claim before deleting it

It said the dual-stated numbers were left unresolved. That was stale, not load-bearing:

• The LT body does carry the resolving section (Metodo pastabos, kurias verta pasilikti → Kaip skaityti skaičius)
• All eleven disputed figures (34.8/34.5, 24.6/24.5, 0.789/0.812, 0.50/0.67, 37.7/38.3, 48.8) appear consistently in both language bodies
• The stray "wrong for the fifth time" it mentioned existed only inside the comment itself
• The snake-chart-data.json it referenced lives outside this repo, so no live reference broke

Deliberately left alone

Checked each in context. These are legitimate authorial content, not scaffolding:

• dml-first-steps — "solvable with small mid/high-range speakers on my TODO list" is ordinary prose
• esp32-as-bluetooth-audio — the # TODO heading is a genuine first-person future-work section
• edgetx-cockpit-voice-audio-and-sharing — "Before publishing a config, check for and scrub" is the subject of the post
• about/me.lt.md, rate-profiles-persistent-stats.lt.md — peržiūrėti is normal Lithuanian

A blanket regex sweep would have destroyed all four. That's why this was done by inspection.

Verified

• No process artifacts remain in content prose (frontmatter and fenced code excluded from the scan)
• All four affected pages render clean in both languages
• Clean in an unminified build too, not just the minified one CI produces
• Article bodies otherwise unchanged

Two things still missing, surfaced not hidden

Removing the placeholders does not create the figures:

1. drone-detector-nn still has no training-curve chart and no confusion matrix, in a section headed "Results and Per-Class Analysis"
2. laser-power-meter still has no board.jpg and no software-ui.jpg

Send them and I'll add them properly.

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