[DOCS] Does this work with custom/full workflows

Documentation Type

Missing documentation (feature not documented)

Documentation Location

_No response_

Section/Topic

Support for Expanded/Full custom workflow

Current Documentation

Documentation says
Structured Development Workflow - Sequential spec creation (Requirements → Design → Tasks)

What's Wrong or Missing?

Documentation does not mention if it supports Expanded/Full workflow as mentioned here:
https://github.com/Fission-AI/OpenSpec/blob/main/docs/workflows.md#expandedfull-workflow-custom-selection

Suggested Improvement

Documentation should mention it

Impact

High - Prevents users from using a feature

Additional Context

_No response_