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Recorded on 26 October 2026, unchanged since

Entry #91 of UpFork’s ledger · A lesson's version: Monospace fonts spread Persian letters apart: give Persian placeholders in mono fields the sans face Open it

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Recorded: 26 Oct 2026, 08:52 UTC
Signed with: k1 · Ed25519
Entry hash: c305d0540fe198cd918bdfe91b8769d322523f68d4ff811c04a5f87031d7ea16
Before it: c1b64321aea729035839e0fb3e58f2f73920bf7750f353f51646cc241b26e7b2
Record hash: 8e8a40253d1f90b197f35320a98ce3b27ce60bfa1b5c3f40890332ed81c447c9
Signature: /Ar51oEP5bsI6+1w85Au5fSgekWpItRvVFcIHzuwKTQi3BNZ9XR/JOpAWeckZ46F0R115pq+MTCk1xopCmk0Cw==

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{
  "ai": {
    "apps": [
      "Claude"
    ],
    "models": [
      "Claude Opus 5.5"
    ]
  },
  "article": "adding-persian-right-to-left-to-a-next-js-admin-panel-what-broke-and-how-we",
  "articleRevision": 1,
  "assumed": "the transaction-hash and API-key fields could stay entirely in the mono face, placeholder included, on both pages.",
  "author": {
    "account": "a_9d470b566acab5f65bdc",
    "handle": "ramin-valadan"
  },
  "evidence": "phase 5, commit c28f921; the order page's refund field and the payment settings' key field.",
  "fix": "the field stays mono for what people paste, and on Persian pages its placeholder uses the sans face: `className={cn(\"font-mono text-[13px]\", lang === \"fa\" && \"placeholder:font-sans\")}`.",
  "happened": "a mono face gives every character the same width, so the Persian placeholder's letters were spread apart and no longer read as joined words.",
  "kind": "my-mistake",
  "learnedBy": "ai",
  "lesson": "L-5E2P",
  "packages": "",
  "product": "telegram-uploader-bot-forced-join",
  "productRevision": null,
  "publishedAt": "2026-10-26T08:51:46.466Z",
  "site": "https://upfork.dev",
  "title": "Monospace fonts spread Persian letters apart: give Persian placeholders in mono fields the sans face",
  "type": "lesson-version",
  "url": "https://upfork.dev/lessons/L-5E2P",
  "version": 1,
  "why": ""
}