Test service-specific Framework command passthrough

[GrahamCampbell]

• Adds regression coverage for nested service-specific Framework commands like deploy:function, deploy:list:functions, rollback:function, invoke, and invoke:local.
• Preserves the hardened generic Framework passthrough route instead of reapplying the older command-routing rewrite.
• Documents nested service-specific command examples in help output.
• Preserves repeated passthrough options for documented commands like invoke local --env.

[Copilot]

Pull request overview

Adds regression coverage and minor runtime/supporting changes to ensure Serverless Framework “service-specific passthrough” commands (including nested forms like deploy:function and invoke:local) are preserved end-to-end in Compose, and documents the nested command forms in CLI help output.

Changes:

• Add unit tests covering nested service-specific command parsing/routing and options validation behavior.
• Add help-output examples demonstrating nested service-specific commands.
• Update Framework component CLI argument formatting to preserve repeated passthrough options (e.g., --env multiple times).

Reviewed changes

Copilot reviewed 7 out of 7 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
test/unit/src/validate-options.test.js	Adds regression test ensuring nested passthrough commands aren’t rejected by Compose option validation.
test/unit/src/render-help.test.js	Verifies help output includes nested service-specific command examples.
test/unit/src/index.test.js	Tests CLI argv parsing preserves nested commands for service:command:subcommand and --service forms.
test/unit/src/components-service.test.js	Ensures nested commands are passed through to Framework services without being rewritten.
test/unit/components/framework/index.test.js	Validates nested Framework commands translate to correct serverless argv; adds coverage for repeated passthrough options.
src/render-help.js	Adds “Examples” section showing nested service-specific command usage.
components/framework/index.js	Expands array-valued options into repeated CLI params and centralizes param formatting logic.

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