forked from cleveragents/cleveragents-core
c781848cb6
Add protocol stubs for remote server communication infrastructure: - ServerClient: Health check and version negotiation protocol - RemoteExecutionClient: Remote plan execution and status protocol - AuthClient: Authentication and token management protocol - StubServerClient/StubRemoteExecutionClient/StubAuthClient: Stub implementations raising NotImplementedError for all methods - ServerConnectionConfig: Validated config model (server_url, namespace, auth_token_ref, tls_verify) - Config keys: core.server_url, core.server_namespace, core.server_tls_verify - CLI: agents connect <url> stub command with explicit warning - CLI: agents info shows Server Mode (disabled/stubbed) ISSUES CLOSED: #201