Gets RPC configuration grouped by domain.

Returns a list of tuples: {domain, rpc_config} where rpc_config contains resources with their rpc_actions and typed_queries.

Used by the manifest generator to organize actions by domain.

Gets all RPC resources and their actions from an OTP application.

Returns a list of tuples: {resource, action, rpc_action}

Gets RPC actions grouped by namespace.

Returns a map where keys are namespaces (atoms or nil for no namespace) and values are lists of {resource, action, rpc_action, domain, resource_config} tuples.

Gets all typed queries from an OTP application.

Returns a list of tuples: {resource, action, typed_query}

Resolves the namespace for an RPC action.

Namespace precedence: action > resource > domain. Returns nil if no namespace is configured at any level.