feat(homebrew): port JS, DB, and service runtimes

[brandonpayton]

Summary

• Add Kandelo Homebrew formulae for spidermonkey, spidermonkey-node, node, redis, nginx, and mariadb.
• Make the affected package build scripts work in Homebrew/resolver scratch dirs without mutating the checkout, and normalize package ABI metadata to ABI 16.
• Extend Homebrew package Node VFS smoke coverage for JS runtimes, Redis, nginx, and MariaDB; filter source-kind deps out of Homebrew runtime sidecars.

Verification

• bash -n scripts/homebrew-bottle-build.sh scripts/homebrew-generate-sidecars-from-env.sh packages/registry/redis/build-redis.sh packages/registry/nginx/build-nginx.sh packages/registry/nginx/build-nginx-local.sh packages/registry/spidermonkey/build-spidermonkey.sh packages/registry/spidermonkey-node/build-spidermonkey-node.sh packages/registry/mariadb/build-mariadb.sh
• ruby -c on all six new formulae
• git diff --check
• scripts/dev-shell.sh bash -c "npx tsx scripts/homebrew-package-node-smoke.ts --help"
• scripts/dev-shell.sh bash -c "bash scripts/check-abi-version.sh"
• scripts/dev-shell.sh bash -c "cargo test -p kandelo --target aarch64-apple-darwin --lib" -> 963 passed
• cd host && npx vitest run -> rerun passed after materializing wasm64 hello64: 97 files passed, 761 tests passed, 2 expected fail, 129 skipped
• scripts/dev-shell.sh bash scripts/run-libc-tests.sh -> 302 pass, 0 fail, 20 xfail, 1 flaky pass, 1 timeout (regression/raise-race), exit 0
• scripts/dev-shell.sh bash scripts/run-posix-tests.sh -> 174 pass, 0 fail, 3 xfail, 2 skip
• Homebrew wasm32 bottle builds + formula tests passed for all six packages; bottle SHA evidence is in the kd-nlyy bead notes.
• Homebrew Node VFS smoke: Redis, nginx, and MariaDB passed; SpiderMonkey-derived VFS builds failed on the stale fork-artifact guard and are tracked in follow-up bead kd-nlyy.1.

Notes

• Browser VFS smokes were not run locally for these bottles; sidecar artifacts record browser smoke as skipped.
• Full upstream suites for Redis, nginx, MariaDB, and Mozilla JS were not run in this package-port pass; focused service/runtime smokes and project gates were run instead.

[github-actions]

Phase B-1 matrix build status — pr-808-staging

ABI v16. 5 built, 0 failed, 5 total.

Package	Arch	Status	Sha
lamp	wasm32	built	e14d8326
spidermonkey	wasm32	built	8815e428
node	wasm32	built	8f73878c
spidermonkey-node	wasm32	built	bbc93014
node-vfs	wasm32	built	52e551e9

_{Auto-generated; replaced on each push. Raw data in the publish-status workflow artifact.}