Add InitializeResult and ServerInfo#10
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Implement the InitializeResult returned from an initialize request per the LSP spec: capabilities (ServerCapabilities) plus an optional serverInfo (name and optional version), modelled as ServerInfo. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
christiankissig
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Jul 7, 2026
Add InitializeResult and ServerInfo
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Summary
Implements
InitializeResultper LSP 3.17 — Initialize — the result a server returns from theinitializerequest.Changes
New Pydantic models in
lsp_client/protocol.py:InitializeResult—capabilities: ServerCapabilities(required) plus an optionalserverInfo.ServerInfo— theserverInfoobject:name(required) and optionalversion(@SInCE 3.15.0).Both are exported from
lsp_client.InitializeResult.capabilitiesreuses the existingServerCapabilitiesmodel.Testing
capabilities,serverInfoomitted), result with fullserverInfo, optionalversion,namerequired, and parsing a raw server response payload into the nested models (InitializeResult.model_validate(...)).poetry run pytest(71 passed),ruff check,ruff format --check, andmypyall clean.Note: the
initializesection also definesInitializeError({ retry: boolean }); left out to keep this PR scoped toInitializeResult— happy to add it in a follow-up.🤖 Generated with Claude Code