ci: add e2e tests to CI and update-opencode-commit workflows #444

Job	Run time
Docker Context Guard	3m 15s
Cargo Package Verify	3m 45s
Format Check	14s
Compose File Validate	5s
Build (ubuntu-latest)	4m 2s
Build (macos-latest)	42s
Marketplace Packer Validate	17s
Bun Ecosystem Checks	7s
E2E Tests	0s
CLI Parity Tests	0s
	12m 27s

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