New command: spo file archive. Closes #7175

[Saurabh7019]

Closes #7175

[milanholemans]

Awesome work @Saurabh7019! We'll try to check it ASAP.

[Copilot]

Pull request overview

This PR adds a new SharePoint Online command (m365 spo file archive) to archive a file (by server-relative URL or UniqueId), including documentation, command constant wiring, Dev Proxy API spec updates, and a full unit test suite.

Changes:

• Added spo file archive command implementation with Zod-based option parsing and confirmation prompt support.
• Added Mocha tests covering validation, confirmation flow, success paths (by URL / by ID), and error handling.
• Updated docs navigation + new command reference page, and extended the Dev Proxy SharePoint API spec.

Reviewed changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
src/m365/spo/commands/file/file-archive.ts	Implements the new spo file archive command and SharePoint REST interactions to resolve list/item and call Archive.
src/m365/spo/commands/file/file-archive.spec.ts	Adds unit tests for option validation, prompting behavior, success cases, and error handling.
src/m365/spo/commands.ts	Registers the command name constant FILE_ARCHIVE.
docs/src/config/sidebars.ts	Adds the command doc to the SPO “file” commands sidebar.
docs/docs/cmd/spo/file/file-archive.mdx	Adds end-user documentation for the new command, including examples and sample output.
.devproxy/api-specs/sharepoint.yaml	Adds Dev Proxy spec entries for Archive and GetFileByServerRelativePath.