implement Space.findManyPublic

[nikgraf]

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[Copilot]

Pull request overview

This PR implements Space.findManyPublic functionality to fetch and filter public spaces from the Graph testnet. It adds both a low-level SDK function and a React hook for convenient integration.

• Adds Space.findManyPublic() function with optional filtering by member or editor account address
• Introduces usePublicSpaces() React hook with React Query integration
• Updates documentation with usage examples for both the SDK function and React hook

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
packages/hypergraph/src/space/find-many-public.ts	Core implementation with GraphQL queries, schema validation, and filtering logic
packages/hypergraph/src/space/index.ts	Exports the new Space module
packages/hypergraph/test/space/find-many-public.test.ts	Unit tests for the parsing logic with valid, missing, and invalid data scenarios
packages/hypergraph-react/src/hooks/usePublicSpaces.ts	React Query hook wrapper for the SDK function
packages/hypergraph/src/index.ts	Adds Space namespace export
packages/hypergraph-react/src/index.ts	Exports the new usePublicSpaces hook
packages/hypergraph/package.json	Adds package export path for the space module
docs/docs/query-public-data.md	Documentation for the new functionality with code examples
apps/events/src/routes/podcasts.lazy.tsx	Example migration from useEntities to usePublicSpaces
.changeset/loud-houses-design.md	Changeset describing the new feature

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Suggested change

	Add Space.findManyPublic plus the usePublicSpaces hook so apps can fetch and render public spaces (with invalid entries surfaced) via one shared SDK call
	Add Space.findManyPublic plus the usePublicSpaces hook so apps can fetch and render public spaces (with invalid entries surfaced) via one shared SDK call