docs(dev-guide): document generated settings pages workflow

[DonLakeFlyer]

Summary

• Expand Settings View developer docs with architecture notes.
• Add a new Generated Settings Pages guide explaining JSON-driven generation.
• Add Views index links so Settings docs are discoverable.

Details

• Document generator entry points and build wiring.
• Document page definition schema and control selection behavior.
• Include step-by-step instructions for adding settings and new generated pages.
• Capture gotchas, including explicit generated output registration in CMake.

Testing

• Docs-only change; no runtime code changes.

[github-actions]

Build Results

Platform Status

Platform	Status	Details
Linux	Passed	View
Windows	Passed	View
MacOS	Passed	View
Android	Passed	View

All builds passed.

Pre-commit

Check	Status	Details
pre-commit	Failed (non-blocking)	View

Pre-commit hooks: 4 passed, 32 failed, 7 skipped.

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_{Updated: 2026-03-27 22:09:42 UTC • Triggered by: pre-commit}