feat(052): runtime-neutral MQTT connector #757

Workflow file for this run

	name: CI

	on:
	push:
	branches: [ main, develop ]
	pull_request:
	branches: [ main, develop ]

	env:
	CARGO_TERM_COLOR: always

	jobs:
	# Format and lint using Makefile
	format-and-lint:
	name: Format and Lint
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v7
	with:
	submodules: recursive

	# A text comparison, so it needs no toolchain and can fail before we spend
	# one. `make check` runs it again in comprehensive-check, which gates on
	# three other jobs and would report drift far later.
	- name: Check the devcontainer pin matches rust-toolchain.toml
	run: make check-toolchain-pin

	- name: Install Rust
	uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	rustflags: ""

	- name: Check formatting (workspace members only)
	run: make fmt-check

	- name: Run clippy on all valid feature combinations
	run: make clippy

	# Build and test using Makefile
	makefile-build:
	name: Build & Test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v7
	with:
	submodules: recursive

	- name: Install Rust
	uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	rustflags: ""

	- name: Build all valid feature combinations
	run: make build

	- name: Test all valid feature combinations
	run: make test

	- name: Check README quickstart drift
	run: make readme-check

	- name: Check codegen template drift
	run: make codegen-drift

	- name: Prove production is simulation-free
	run: make check-no-sim

	- name: Prove no library crate installs a process-global
	run: make check-no-globals

	# Embedded target testing
	embedded-targets:
	name: Embedded Cross-compilation
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v7
	with:
	submodules: recursive

	- name: Install Rust
	uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	rustflags: ""

	- name: Test embedded cross-compilation
	run: make test-embedded

	wasm-browser-tests:
	name: WASM Browser Tests
	runs-on: ubuntu-latest
	timeout-minutes: 15
	steps:
	- uses: actions/checkout@v7
	with:
	submodules: recursive

	- name: Install Rust
	uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	rustflags: ""
	# wasm-pack downloads wasm-bindgen/wasm-opt binaries into here.
	cache-directories: ~/.cache/.wasm-pack

	# Prebuilt: the Makefile's fallback is `cargo install wasm-pack --locked`,
	# a multi-minute source build on a cold runner.
	- name: Install wasm-pack
	uses: taiki-e/install-action@wasm-pack

	# Chrome is preinstalled on the runner image, so this pins chromedriver to
	# its major version; chromedriver refuses a browser it does not match.
	- name: Install browser toolchain
	run: make wasm-test-deps

	- name: Run browser test suite
	run: make wasm-test

	# Miri: catches undefined behavior (e.g. use-after-free) in the embassy
	# adapter's unsafe 'static lifetime extension (design 039 F1). Scoped to
	# aimdb-embassy-adapter's host-std sync tests only — Miri is slow and can't
	# drive the embassy-executor async tests.
	miri:
	name: Miri (aimdb-embassy-adapter)
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v7
	with:
	submodules: recursive

	- name: Install Rust nightly with Miri
	uses: dtolnay/rust-toolchain@nightly
	with:
	components: miri

	- name: Cache dependencies
	uses: actions/cache@v6
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	target
	key: ${{ runner.os }}-cargo-miri-${{ hashFiles('**/Cargo.lock') }}

	- name: Run Miri on aimdb-embassy-adapter
	run: \|
	cargo +nightly miri test -p aimdb-embassy-adapter \
	--no-default-features --features "alloc,embassy-sync,embassy-time"

	# Comprehensive validation using Makefile
	comprehensive-check:
	name: Comprehensive Development Check
	runs-on: ubuntu-latest
	needs: [format-and-lint, makefile-build, embedded-targets]
	steps:
	- uses: actions/checkout@v7
	with:
	submodules: recursive

	- name: Install Rust
	uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	rustflags: ""

	- name: Run comprehensive development check
	run: make check

	- name: Generate documentation
	run: make doc

	# `make check` runs every crate-level leg but not `examples`, so the demo
	# binaries — the only end-to-end proof of the embedded path — were the one
	# artifact CI never compiled. `all` is `build test examples`; the first two
	# re-run here against a warm cache.
	- name: Build everything, including the example binaries
	run: make all

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feat(052): runtime-neutral MQTT connector #757

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feat(052): runtime-neutral MQTT connector #757

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