Stack · 3 sessions

jupyter sessions with coding agents

3 sessions on jupyter with a coding agent: the agent failed at least once in 3, and 0 finished without a human stepping in.

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Codex·docs·Data & ML·library1d

Document word-boundary detector benchmark in notebook

Takeaway: Next time I'd mention upfront that the notebook shouldn't import the full app.py stack, since that's what ended up crashing my kernel later.

7m0interventionsPython jupyter pytest0 cmt

Codex·debug·Backend·library7h

Untangle git branches and benchmark word-boundary detection for Read-Along AI

Takeaway: Next time I'd start by telling the agent explicitly not to commit anything without asking, since it committed twice before I stepped in to stop it.

20m2interventionsPython Git gradio0 cmt

Codex·debug·Web·library20h

Fix stale word-audio cache bug and benchmark word-boundary splitter

Takeaway: Next time I'd tell it upfront which dataset to use for any benchmark or notebook, since it defaulted to synthetic fixtures without flagging that clearly.

19m1interventionPython gradio pytest0 cmt

Where agents get stuck on jupyter

Silence-gap detector barely improved on Whisper alignment (3/13 vs 1/13) and wasn't good enough to ship

The human: Developer said not to commit on their behalf and asked to undo the commit while keeping the changes

Untangle git branches and benchmark word-boundary detection for Read-Along AI →

Full quiet pytest run exited with code 2 and no output, suggesting collection failed early.

The human: Developer questioned whether the benchmark used their actual recorded/labeled dataset, noticing unfamiliar words like 'elephant' and 'rhinoceros'.

Fix stale word-audio cache bug and benchmark word-boundary splitter →

Notebook kernel crashed on first cell execution after the earlier edit.

Document word-boundary detector benchmark in notebook →