adlee-was-taken 17d7b72c37 feat(config): gitignored config.local.yaml overlay ...

WIP checkpoint committed by Claude while Atlas was still in its final
verification wave. Committed early deliberately: 11 files were sitting
uncommitted with two of them untracked, and untracked files in this tree have
been destroyed twice today by agent git cleanup -- the user's
multi-provider-support plan and a config.local.yaml holding their tariff.
Protecting the work cost nothing; losing it would have cost a whole plan.

Deployment-specific values previously lived as an UNCOMMITTED modification to
the tracked config/config.yaml. That arrangement failed seven times in one
session: three agent checkout/stash/restore calls, two `git commit -am` sweeps
that each needed a history rewrite, one ordinary branch switch, and one
cleanup during this very plan. Once a value is correctly absent from git,
every checkout, switch, pull and rebase wipes it -- that is the intended fix
behaving as designed, which is what makes the arrangement itself the bug.

load_config now deep-merges an optional config/config.local.yaml over the base
before validation, so every consumer inherits it (poller, feedback,
eval_proficiency, seed_local_dispatch_energy, admin, dispatcher). Mappings
deep-merge; lists replace wholesale; the MERGED result is validated once so
extra="forbid" still catches an overlay typo.

The admin portal now writes to the overlay and never to config/config.yaml.
An operator changing a knob in a loopback-only portal is making a local
operational decision, not a project decision -- someone changing a project
default edits config.yaml and commits it through git. This also removes the
shadowing trap by construction rather than guarding against it.

config/config.yaml stops being dirty in normal operation, which removes the
condition behind every clobbering above.

NOTE: final verification wave had not reported when this was committed. The
suite was green at 1155 before it started; Atlas may amend or add commits on
top.

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01VRQXz5SYZYVWscxS1QqF6U

2026-09-04 18:29:23 -04:00

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