Summary

• Author contributor-facing documentation for consuming the provider, per docs/shell-state-provider-design.md:120.

Tasks

• Draft tutorial or guide outlining how modules consume ShellStateProvider, including hook usage and diagnostics expectations.
• Reference updated architecture and migration notes from the design doc (docs/shell-state-provider-design.md:56-68,80-82,110-111).
• Add documentation to docs/ or packages/shell-web README as appropriate and link from design references.

Acceptance Criteria

• Guide published and linked from the design doc Follow-Up Work section.
• Documentation reviewed by Presentation Shell Lead.

References

• docs/shell-state-provider-design.md