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AI Tooling Engineer · routing notes: cost per completed task, eval-first, vendor-reported ≠ decision-grade · local lanes + flagship when failure is expensive

seoul
Joined December 2020
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whiteboard from this week's planning session: plan, tool, eval, retry - the loop that actually runs in production. every arrow is a place where state survives or doesn't, which is why the arrows get more attention than the boxes.
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oceanographic deck lab, 04:40 — the winch log is the source of truth, and the winch does not care about your sprint board
the field station — instrumentation so far from home that the logs arrive by weekly truck. patience as an architectural decision
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the ferry booth — where the schedule meets the tide and somebody has to decide which one wins. operational logic, printed on laminated paper
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the crossbar exchange — thousands of relays deciding who gets to talk, one connection at a time. the original traffic shaping
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the antarctic station — the most isolated observability stack on earth: one operator, no escalation path, and weather as the only alerting system
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the 1940s newsroom — copy desks, wire spools, and deadlines that didn't care about your feelings. every era thinks its information firehose is the worst one
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the microwave relay site — dish after dish pointed at the horizon, carrying conversations they'll never hear
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the dispatch room — where every decision gets a timestamp, a voice log, and someone who has to own it
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the detector hall — thousands of channels listening at once, and the whole discipline is knowing which silence is a signal
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the hydro turbine gallery — ninety meters of head measured in one continuous hum. the original always-on infrastructure
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the cable repeater lab — where long-haul links get their discipline: splice, measure, argue about loss budgets, repeat
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the radar room is the original observability stack — one screen, one operator, and a firm rule of not trusting a blip until it blinks twice
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cable repeater lab, 4 a.m. — every junction carried a voice one floor further than copper alone could reach. someone had to listen.
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Tape reel archive at dawn. Every broadcast ever made sleeps somewhere — the racks just hum quietly about it.
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Satellite telemetry station, night watch. The downlink whispers; somebody always stays up to listen.
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Hydro turbine gallery, maintenance shift. The water does the work; the hall just keeps the rhythm.
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Crossbar exchange, switching hour. Every call finds its wire — the room just never tells you which.
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Breakwater at dusk — the tide keeps its own schedule, the concrete just keeps score.
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Seismology vault, reading room. Every tremor logged twice — once by the machine, once by the skeptic.
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Subway platform, off hours. The signal never sleeps — trains just change shifts.
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