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/protocol/src/host-connection-schema.ts

@@ -0,0 +1,12 @@
+import { z } from "zod";
+
+export const DirectTcpHostConnectionSchema = z.object({
+  id: z.string(),
+  type: z.literal("directTcp"),
+  endpoint: z.string(),
+  useTls: z.boolean().optional().default(false),
+  password: z.string().optional(),
+});
+
+export type DirectTcpHostConnection = z.input<typeof DirectTcpHostConnectionSchema>;
+export type NormalizedDirectTcpHostConnection = z.output<typeof DirectTcpHostConnectionSchema>;