ci: run every central module's own gate in hosted CI

[hseshadr]

TL;DR

Hosted CI now runs every central module's own poe gate. Before this, dagger call ci ran only the root .dagger gate, so a module could go red on main and no hosted check would notice.

Claim touched: "module regressions cannot reach main unchecked."

Stacked on #53 (python-package ZIP64 fix), which this gate found on its first run. Merge #53 first.

What changed (CI config + tests only)

• Ci.ci runs _module_gates() after root quality and before security. Each module (cloudflare-pages, portfolio-foundation, python-package) runs uv run poe gate in its own container: digest-pinned python:3.13.14-bookworm, with uv, uvx, and the v0.21.8 Dagger CLI from the pinned engine image. The engine-generated SDK is overlaid on the explicit source. Privileged nesting gives dagger -m .. functions (the schema task) its engine.
• MODULE_GATES must equal modules/*/dagger.json, so a new module cannot skip the gate.
• All gates run concurrently. The error names every module that failed.
• The workflow is unchanged. dagger.yml stays a thin ingress, as test_central_workflows.py requires.

What hosted CI still does not run

These tests are deselected by exact node id, and a test pins the list and checks that each id still names a real test:

Module	Deselected	Why
portfolio-foundation	test_guard_integration.py (7 tests)	gitleaks via host docker run; no Docker daemon inside Dagger. Hosted CI still runs gitleaks for real through foundation.guard.
portfolio-foundation	4 tests in test_artifact.py, test_bootstrap.py, test_source_integration.py	run the Dagger CLI in a pytest temp dir. A nested CLI resolves paths against the container workdir, not the process cwd, so they load the wrong module.
cloudflare-pages	test_deploy_contract.py::test_should_run_real_dagger_mock_provider_contract	same nested-CLI dagger init issue

These still run locally with each module's poe gate.

Evidence (local engine v0.21.8, dagger call ci)

Check	Result
Contract tests before the change	red: ImportError: cannot import name 'ENGINE_IMAGE', and the ci-order test fails
New step on main's module trees	red: module gates failed: modules/python-package. test_should_observe_bounded_forced_zip64_wheel fails with ProbeError: wheel physical EOF differs on CPython 3.13.14. Fixed in #53.
New step on this branch (stacked on #53)	all four gates green: root 96.45%; foundation 93.97% (236 passed, 11 deselected); cloudflare-pages 93.91% (174 passed, 1 deselected); python-package 96.95% (134 passed)
Mutation: git rm foundation tests/test_github.py	red: FAIL Required test coverage of 90% not reached. Total coverage: 68.79% → module gates failed: modules/portfolio-foundation
Root poe gate	green, 227 passed
git merge-tree vs #47, #48, #50, #51	clean (all four)

The requested "foundation stops at 86% on main" did not reproduce on a clean main: foundation's gate is 93.97% there. The 86.50% log came from a tree with #50's lineage.py but no test_lineage.py (lineage.py at 0%). This gate would catch that tree. No floor was lowered, and no foundation tests were needed.

🤖 Generated with Claude Code

https://claude.ai/code/session_015oBArfm762nN1r4F4Fst5a