i18n(cs): automated Crowdin translation import (part 13 of 13)

[minimalsm]

Summary

• Part 13 of 13 — cs translation import split from i18n: automated Crowdin translation import (cs) #17247
• 24 files

Context

Split from the original large import PR for easier review and independent merging.

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[minimalsm]

Translation Quality Review

Language: Czech (cs)
Files reviewed: 24/24
Model: Claude Opus 4.6

Quality Score: 7/10

Category	Score	Notes
Brand Name Preservation	9/10	All major brand names (Ethereum, Bitcoin, Solidity, Vyper, MetaMask, Hardhat, Foundry, Uniswap, Aave, etc.) correctly preserved in English throughout
Technical Accuracy	8/10	ETH, Wei, Gwei, Gas kept untranslated; technical concepts accurately conveyed; URLs and code intact
Naturalness & Fluency	7/10	Generally reads well as Czech; some sections have stiff phrasing typical of Crowdin translations but overall acceptable
Terminology Consistency	6/10	"staking" inconsistently rendered as "uzamceni" (locking) throughout, which is the project convention, but some older files still use "stakovat/staking" creating inconsistency; "gas" sometimes translated as "palivo" (fuel) and sometimes left as "gas"

Issues Found and Fixed

1. Crowdin artifacts in page-upgrades-index.json (CRITICAL): Three keys contained raw Crowdin key-reference garbage instead of actual content:

   • page-upgrade-article-author-consensys: was "Klavesa: page-upgrade-article-author-consensys\n -> page-upgrade-article-author-consensys" -> fixed to "Consensys"
   • page-upgrade-article-author-delphi-digital: similar garbage -> fixed to "Delphi Digital"
   • page-upgrade-article-author-ethos-dev: similar garbage -> fixed to "Ethos.dev"

2. Typo in page-what-is-ether.json: "prostrednictvvim" (double v) -> fixed to "prostrednictvim"

3. Missing space in page-staking.json: "Uzamcenis Ethereem" -> fixed to "Uzamceni s Ethereem"

4. Typo in page-layer-2-learn.json: "vrstu 2" (wrong declension) -> fixed to "vrstvu 2"

Other Observations (Not Fixed - Pre-existing)

• page-upgrades-index.json lines 11-12 contain untranslated English strings (page-upgrades-answer-1, page-upgrades-answer-2) - these appear to be pre-existing and not part of this import
• Some strings in page-upgrades-index.json have odd legacy translations (e.g., "Retezova vazba" for "Beacon Chain") - these are pre-existing convention choices
• Inconsistency between "stakovat" and "uzamknout" for staking across files - this is a known ecosystem-wide terminology challenge for Czech

Summary

The Czech translation batch is of acceptable quality overall. Four issues were found and fixed: three Crowdin artifacts that would have displayed raw key references instead of author names (Consensys, Delphi Digital, Ethos.dev), one typo with a doubled letter, one missing space, and one grammatical error (wrong noun declension). Brand names and technical units are properly preserved throughout all 24 files.