Extract client SDK package (#1052)

* Extract client SDK package

* Polish SDK client identity defaults

* Build client before dependent CI jobs

* Restore daemon client server export

* Extract protocol and client SDK packages

* Fix provider override schema validation

* Fix app test daemon client imports

* Simplify workspace build targets

* Fix CLI test server build bootstrap

* Run SDK package tests in CI

* Fix rebase package split drift

* Restore lockfile registry metadata

* Update SDK config test for prompt default

* Move terminal stream router test to client package

* Fix rebase drift for protocol imports

* Fix SDK agent capability fixture

* Restore legacy server client exports

* Fix server export compatibility test

* Advertise custom mode icon client capability

* Remove server daemon-client exports

* Format rebased mode control import

* Fix rebase drift for protocol imports

Files added by upstream PRs (#893, #1147, #1154) referenced the pre-split
shared/ paths that this branch moves into @getpaseo/protocol. Redirect
those imports to the protocol package so typecheck stays green after the
rebase.

packages/server/src/utils/github-remote.ts

@@ -4,7 +4,7 @@ import {
   parseGitHubRemoteIdentity,
   parseGitRemoteLocation,
   type GitHubRemoteIdentity as ResolvedGitHubRemoteIdentity,
-} from "../shared/git-remote.js";
+} from "@getpaseo/protocol/git-remote";
 import { findExecutable } from "./executable.js";
 import { execCommand } from "./spawn.js";
 
@@ -13,7 +13,7 @@ const sshHostnameResolutionCache = new Map<string, Promise<string | null>>();
 
 export type SshHostnameResolver = (host: string) => Promise<string | null>;
 
-export { parseGitHubRemoteUrl, type GitHubRemoteIdentity } from "../shared/git-remote.js";
+export { parseGitHubRemoteUrl, type GitHubRemoteIdentity } from "@getpaseo/protocol/git-remote";
 
 export async function resolveGitHubRemote(input: {
   remoteUrl: string;