feat(examples): canonical minimal-DI example + README link - #8
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Rolls the faststream-piloted canonical-example pattern to modern-di-celery: a runnable examples/app.py (Settings + GreetingService via @inject/FromDI), a smoke test exercising it eagerly, and the README Usage example: link.
CI floats ruff to latest (unpinned lint dep); 0.16.0's markdown docstring-code-format tightens comment/statement spacing that 0.15.x left alone. Mechanical, no semantic change.
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Summary
examples/app.py(+examples/__init__.py): the smallest runnable celery app —Settings(APP scope) +GreetingService(REQUEST scope, auto-injected by type) wired into one@app.task+@injecttask viatyping.Annotated[GreetingService, FromDI(Dependencies.service)],setup_di(app, container). Usesbroker="memory://", backend="cache+memory://"(same no-extra-dep transporttests/conftest.pyalready uses) since even eagerapply_asyncresolves the transport class up front.tests/test_example.py: eager-mode smoke test (mirrorstests/conftest.py'sappfixture idiom) asserting the task's real return value; coversexamples/app.pyto 100% (no coverage exclusion).Usage example: [examples/](./examples)line, matching the merged faststream pilot's placement.pyproject.toml: addsCPY001to the ruff ignore list (no per-file copyright header), matching the faststream pilot.planning/changes/2026-07-25.01-canonical-example-onramp.md: design-lane change file recording the rollout and thecurrent_apppollution fix.Follows the locked pattern from the merged faststream pilot.
Test plan
just test-ci— 100% coverage, 14 passedjust lint-ci— cleanjust check-planning— OKuvx ruff@0.16.0 check --no-fix .— cleanuvx ruff@0.16.0 format --check .— clean (only pre-existing, unrelated drift in README.md/an older planning doc, present on main before this branch)🤖 Generated with Claude Code