Fifteen agent internals walked by one ring: each window opens in turn, plays its mechanism, and lands its result caption before the ring moves on.
template plus variables, not what you typed
which files and history get in
what did not fit is simply gone
every tool you defined costs tokens
one call, out of everything available
the path it guessed, not the one you meant
the latency nobody attributes correctly
42k of output, 900 tokens kept
the failure you never saw happen
only if you wrote a rubric
continue, retry, or stop
your turn 3 becomes one sentence
the only part that survives a crash
burns 40k, hands back 1k
the one line you actually read