weft-debug

Debug this project's latest run, or a specific run id if the user named one. Read the weft-debugging skill if you have not this session.

1. weft runs --limit 5 --phase fire and pick the run: the one the user named, else the latest.
2. weft logs <run-id> first: it names the failing node and quotes the error, and for most failures that is the whole diagnosis. Then narrow the events instead of reading them all: weft events <run-id> --kind failed for the failures, --node <id> for what reached one node, --kind node_skipped for what did not run and why, --full on the one line whose value you need whole.
3. Chase it to one node:
   • A failed node: name it, quote its error, list the values that reached its inputs (its node_started line), and read the relevant source.
   • A wrong value: the motion backwards. Look at the top-level groups in src/main.weft, find the first whose output is already wrong in the events, descend into it, repeat, until you hold the single node whose value went wrong and the concrete input that broke it.
   • Suspended: say where it waits and for whom; if nobody should have been asked, the bug is the _should_flow that routed there.
   • Cancelled: read the reason on its run_cancelled line, then go and read item 5 of the weft-debugging skill for what each reason means and how to recover.
   • Nothing ran: nothing reached the branch; walk from the trigger (or the root) down to the first node whose _should_flow or required input closed.
4. Name one fix, in two or three sentences: what you will change and why that fixes the observed value, not just the symptom. Apply it, validate, and run the same case again. Ask first only when the fix changes what the program does for the user, or when it would spend money or destroy state.

Report, in plain words: the run id and status, the node and value at fault, the fix and whether it ran again green or waits on the user's yes. No hedging, no blaming the environment.