The replay used to be decided by the matrix: utils.roles.guide picked a
variant, instructions.mark wrote a flag, and the workflow appended
web-app-docs to the row's apps. Now each invokable role declares the
guide host in meta/services.yml with bond 0.5 behind the group gate and
switches it on in exactly one variant, and the deploy pulls it in
through that edge. The matrix only reads the declaration back.
web-app-docs was no provider at all: the registry requires shared,
provides or an alias on the role's own entity entry and it had none, so
the 188 declarations would have been decorative. Registering it brings
a structural contract with it -- a dynamically loaded service role must
set its run_once flag as its very first task or load/app.yml includes
it again -- so the role body moves into tasks/00_core.yml and main.yml
becomes the guard.
smallest_variant no longer counts the guide. It picks the variant that
then switches the guide on, which on the next read would make that
variant one service larger and no longer the smallest; without the
exclusion 30 of 188 roles disagreed with the file.
The job title loses the marker. The row is an ordinary deploy of its
variant, so nothing distinguishes it any more -- which is why the unit
test now asserts the label is left alone.
Measured against the previous tree, the sweep marks 68 rows where it
marked 88. Twenty roles declare the guide on a variant this sweep does
not run in the guide's mode, and by decision the declaration is
absolute: the file is the truth and those roles carry no replay in such
a run. The old code instead searched the deployed variants, which hid
the mismatch behind a fallback.
The same measurement found that the predicate first read the group gate
as a declaration -- the gate renders to a non-empty string, so every
variant looked like the declaring one. It now tests for a literal true.
Neither defect showed up in the unit tests, which check the new logic
rather than its difference to the old.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
The replay is a second deploy on the same runner, and mark() only ever checked the variant number of a row, never its mode. So the marker landed on whichever row of the smallest variant came first, which for 38 of 98 marked rows was a swarm one: that runner would have had to bring a compose stack up beside a swarm stack.
Two places needed it. The row now has to run in the mode guide_deployable names, and only rows in that mode count as deployed when the search looks for the smallest variant - without the second half the search settles on a variant this sweep runs in swarm alone and the marker falls away silently.
Measured over the full matrix: 98 marked rows become 71, swarm drops from 38 to 0, compose rises from 47 to 59. The 27 roles that lose the replay entirely are the ones this sweep deploys in no compose row of an eligible variant; getting them back means forcing such a row into the sweep, which is a change to matrix selection rather than to this marker.
mark() had no tests. It has eight now, including the two failure modes the old code showed under a negative control: a swarm row carrying instructions=compose, and a compose row left unmarked because a swarm-only variant won the search.
Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>
kevinveenbirkenbachandClaude Opus 5