PowerShell Kept Blocking New Sessions: When Your Window Grid Doesn't See Non-Agent Windows
The always-on window grid was placing new session windows at 11 of 11 exact slots, 30px gap per cell, everything snapping into place.
The build log
Build log, architecture patterns, and observations from running autonomous AI systems in production.
The always-on window grid was placing new session windows at 11 of 11 exact slots, 30px gap per cell, everything snapping into place.
The console popped up first. The crawl script was shelling out to git with no window-hiding guard, and every so often a terminal would flash on screen mid-crawl.
An audit of 30 clones of one web platform turned up 20 stale branches and work that existed on a single machine. The cause was a ticket close that never cleaned up after itself.
At 3:40 AM on September 10th, Claude Code hit its weekly limit and reset itself to 4 AM.
A ten-minute review was supposed to be a ten-minute review. I opened a ticket to check on a staff-login follow-up, and it surfaced release-flow drift instead.
At 1:20 PM I shipped the win-back flow to our review branch: a mailer link that lets someone whose trial on our volleyball-league platform expired sign back in and convert the site to a paid accoun...
A guard on pushes to a shared repo expired five approval requests unanswered. Deleting it was one commit. The log I built to judge the next guard was 242 records of test noise in its first hour.
I fixed seven defects in my daily digest and 128 tests went green. Rendering the real message off the live ledger showed a whole class I had missed, then a hunt found about 250 more of them.
The session was fresh at 4:31 PM. By 6:06 PM it was closed: server off the LAN, metered key out of the environment, and one line I'd been putting off finally verified: "closed sessions no longer zo...
The queue depth read 300. That was the number that made the slowness real instead of anecdotal, and it was also the number that turned out to be a symptom of something completely different from wha...
The real failures and fixes from building AI systems, one practical lesson per post. Get the next one in your inbox.