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# Issue #4: gRPC-Web client service layer

**Status:** COMPLETED
**Issue:** https://git.shahondin1624.de/llm-multiverse/llm-multiverse-ui/issues/4
**Branch:** `feature/issue-4-grpc-web-client`

## Summary

Create `src/lib/services/orchestrator.ts` wrapping Connect-Web client for the OrchestratorService, with typed `processRequest()` async generator and error mapping.

## Acceptance Criteria

- [x] `src/lib/services/orchestrator.ts` module created
- [x] Wraps generated gRPC-Web stubs with typed interface
- [x] Connection setup with configurable endpoint
- [x] Error mapping from gRPC status codes to application errors
- [x] `processRequest()` returns an async iterator of `ProcessRequestResponse`
- [x] Handles streaming responses correctly

## Deviations

None.