[Repo Assist] Split BuildCommand.fs into DocContent.fs, WatchServer.fs, and BuildCommand.fs

[github-actions]

🤖 This PR was created by Repo Assist, an automated AI assistant.

Addresses #1022.

Summary

BuildCommand.fs was 2289 lines — too large to be a cohesive whole. This PR splits it into three focused files with clear responsibilities:

File	Lines	Responsibility
DocContent.fs	~795	DocContent type: discovers, prepares, and processes markdown/scripts/notebooks into static site output
WatchServer.fs	~500	Serve module: Suave WebSocket dev server for hot-reload watch mode, MIME type map
BuildCommand.fs	~1000	CoreBuildOptions, ConvertCommand, BuildCommand, WatchCommand: CLI verb types and entry points

The split follows the natural boundaries already in the original file (the DocContent type ends cleanly at line 795; the Serve module is bounded by its module Serve = declaration).

Changes

• DocContent.fs — extracted verbatim; already had namespace + opens
• WatchServer.fs — new file with minimal Suave/System opens + Serve module
• BuildCommand.fs — trimmed to CoreBuildOptions and command verb types
• fsdocs-tool.fsproj — added the two new files to the compilation order before BuildCommand.fs

No logic was changed; this is a pure structural refactor.

Test Status

Passed!  - Failed: 0, Passed: 7, Skipped: 0, Total: 7  (fsdocs-tool.Tests)
Build succeeded. 0 Errors.

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[dsyme]

/repo-assist resolve the merge conflicts

[github-actions]

Commit pushed: 9aad6d6

Generated by Repo Assist

[github-actions]

🤖 This is an automated response from Repo Assist.

I've resolved the merge conflicts. The conflict was in BuildCommand.fs — the base branch (repo-assist/feature-811-fsdocs-convert-2cf2c2973fcbd211) had been updated with a merge from main that still contained the original monolithic BuildCommand.fs, while this PR had already split it into DocContent.fs, WatchServer.fs, and a slimmed BuildCommand.fs.

Resolution:

• Kept the split structure from this PR (DocContent.fs / WatchServer.fs / BuildCommand.fs) as the authoritative version
• Applied the _menu template fix from the main merge (PR [Repo Assist] Fix #803: do not copy _menu_template.html and _menu-item_template.html to output #995) to DocContent.fs: the prepFile and processFile methods now also exclude files matching _menu*_template.html from output, consistent with the fix in main

Build verified locally: Build succeeded. 0 Errors.

Generated by Repo Assist for issue #1029

To install this workflow, run gh aw add githubnext/agentics/workflows/repo-assist.md@f2c5cf1e4af58e09a93ba0703c6bf084711b265f. View source at https://github.com/githubnext/agentics/tree/f2c5cf1e4af58e09a93ba0703c6bf084711b265f/workflows/repo-assist.md.