🔍 Read the full analysis: AI Agents And A Two-Day Relaunch: The Gewerkton Story on ThorstenMeyerAI.com
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TL;DR
Gewerkton, a construction-site documentation tool built by the publisher of the source account, says AI coding agents implemented its HORIZON redesign across its apps, Studio and multilingual website on Oct. 2-3, 2026. The company reports extensive testing and human review, but also describes defects that automated checks missed and production failures during the film work.
Gewerkton, a construction-site documentation tool built by the publisher of the account describing the work, says a fleet of AI coding agents implemented a redesign across its web and phone apps, Studio, icons and website on Oct. 2-3, 2026, as detailed in the original account. Founder Thorsten Meyer approved the plans and released each part; the company’s account also describes defects found through human inspection and film-production jobs that failed.
The new design, named HORIZON, was applied to the web app, iPhone and Android apps, Studio in light and dark modes, all 26 icons and a website with 529 pages in 40 languages. Gewerkton says it replaced 281 hard-coded web-app colour values with design tokens, retaining 11 exceptions, and restyled 47 cards. The phone app was updated to version 0.5.0. The website received 1,583 files, which the company says uploaded without error.
The account says the agents worked from written plans in a separate code copy and branch. Meyer approved a plan listing open decisions, options and recommendations, then reviewed results and released each part before work moved forward. App-related films were held until he had seen and approved the new interfaces on Oct. 3; paid film reruns also required his approval. Apple’s latest Program License Agreement had to be accepted by Meyer before the iPhone build could proceed.
Reported checks included 853 of 853 phone-app tests and 2,158 of 2,158 Studio tests passing. The web app was visually inspected across 200 views, four languages, three screen widths and light and dark modes. The company also reports eight failing web-app tests, which it says were not introduced by the redesign: six affected files fail the same way on the main branch, and one test passes when run alone. The redesign did not resolve those existing failures.
Human Checks Caught Interface Defects
The account offers a specific example of how the company combined AI-assisted implementation with human review rather than handing an unrestricted redesign to software agents. Meyer’s release gates governed when changes went live, while visual inspection caught issues that automated tests did not.
One initial icon treatment used white tiles that obscured nearby labels in dark mode. Meyer spotted the problem by looking at the interface; no test had flagged it. Gewerkton says it changed the icons to make white and pale grey areas transparent, added a dark variant and corrected a layout rule. The fix went live that evening. In an Android test on a Pixel 10a, enlarged type and padding also caused camera-screen buttons to break words mid-line. The account says five findings from that test are scheduled for app version 0.5.1, with none classified as a blocker.
These examples matter because the reported test totals do not, by themselves, show that a release is free of usability defects. The source describes a process in which tests and visual checks played different roles. It does not provide an independent assessment of the product or evidence that this speed and process would produce the same results for other teams.
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What the Two Days Covered
The phrase “two days” refers to execution from an approved plan to the live website, not the entire design process. Gewerkton says an interim design draft from Sept. 26 was carried into the Oct. 2-3 work. The account is a first-party description published by ThorstenMeyerAI.com, which discloses that its publisher builds Gewerkton. Its figures and descriptions are the company’s own, not independently audited results.
The website work also included 228 AI film runs for five regions, with 222 runs described as having their own regional version, plus eight help videos. The company says the middle frame of each of 157 mirrored films was inspected and reworked films were viewed again at 10%, 50% and 90% of their duration. It also says 80 industry clips were redone after the first image model made too little change to faces.
Film production encountered problems separate from the app tests. Gewerkton says work paused after the ninth round, when 208 of 228 runs were complete and 38% of jobs were failing; it says 76 failed jobs were not billed. Automatic masking also missed red in shadows and warm backlighting, while some recolouring attempts affected lips, faces or stickers. After visual review, 24 files were cleaned and 10 regional versions with remaining red were temporarily switched to the European cut. Nine were later reshot with Meyer’s approval and passed the visual check.
““Two days” needs one qualification. An interim draft of the look from 26 September was carried into the work, so the design did not start from nothing on 2 October.”
— Gewerkton, in the project account published by ThorstenMeyerAI.com
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Independent Verification Is Not Provided
The available account does not include an independent audit of the test results, upload count or film-production figures. It also does not give a complete financial total: the source material cuts off after introducing an actual cost figure of about $134 for the films, without stating its unit or what the amount includes. That figure cannot be interpreted as the total cost of the relaunch.
It is also unclear whether all ten regional versions temporarily switched to the European cut have since been restored to region-specific versions, or whether the eight web-app test failures have been addressed. The source identifies the failing tests as pre-existing or order-dependent, but does not describe their underlying causes. Gewerkton’s report does not establish how the process would perform on other products or under independent testing.
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Version 0.5.1 and Film Follow-Up
Gewerkton’s account says the five major findings from its Pixel 10a Android test are scheduled for version 0.5.1. It does not provide a release date. The next steps for the remaining regional film versions and the web-app test failures are also not specified.
Further reporting would need to establish whether the scheduled fixes shipped, whether the temporary European film cuts were replaced, and what the partial $134 cost reference covers. Until those details are available, the Oct. 2-3 relaunch and its performance figures should be treated as the company’s account of its own work.
multilingual website testing software
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Key Questions
What did Gewerkton relaunch?
Gewerkton says it applied the HORIZON design to its web app, iPhone and Android apps, Studio, 26 icons and a website with 529 pages in 40 languages.
Did the entire redesign take only two days?
No. The company says an interim design draft dated Sept. 26 informed the work. The two days, Oct. 2-3, refer to execution from the approved plan to the live website.
What role did AI agents play?
According to the account, coding agents implemented the approved written plans in a separate code branch. Thorsten Meyer approved the plan, reviewed results and released each part; some approvals, including the Apple agreement and paid film reruns, required his direct action.
Were all reported tests successful?
No. Gewerkton reports complete pass counts for the phone app and Studio, but says eight web-app tests failed. It attributes those failures to issues already present on the main branch or to a test-order dependency, and says the redesign did not fix them.
What remains scheduled after the relaunch?
The company says five findings from an Android test are planned for version 0.5.1, but gives no release date. It does not say whether every regional film cut or the web-app test failures have since been resolved.
Source: ThorstenMeyerAI.com
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