steps callers: the runner, the indexer, the operator and sessions (D-18); BLD12 builds in the fetch;
BLD13 resolved and the toolchain digest; BLD14 the step key <asker>.<node>.<id> beside main's
<node>.<id>; the events toolchain-reported and step-progress on the three build seats, and
step-progress on mesh-wants.
Builds: design 47 G §463, §480, §465, §466, §467, §481, §483, §492, §496
Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ
A kind's subject is <stream>.<kind>: check.step, delivery.step (a recovery's steps, the
runner alone) and check.run (node-build-go). Regenerated with seatgen at mesh-catalog
b5aebbbe (GEN4); its fixture rows for the three subjects fail to compile against the
contract before.
Builds: design 47 G §415, §455, §22, §206, §86, §338.
Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ
Generated by seatgen (mesh-catalog, GEN1 and GEN2 on its worktree) from the
definitions of CT1 to CT9; module.json names the artifacts of the new seats
mesh-builds, mesh-pipeline-runner and git. seatgen -check is clean; every seat
package's generated fixture test passes.
Builds: design 47 G §341 (a TypeScript contract is emitted as index.js with
index.d.ts), §196, §339 (the generator refuses an unknown callers entry),
§260, §331.
Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ
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