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/app/src/panels/agent-panel.tsx

@@ -1,4 +1,4 @@
-import type { DaemonClient } from "@server/client/daemon-client";
+import type { DaemonClient } from "@getpaseo/client/internal/daemon-client";
 import { SquarePen } from "lucide-react-native";
 import React, { useCallback, useEffect, useMemo, useRef, useState } from "react";
 import { ActivityIndicator, Text, View } from "react-native";

packages/app/src/panels/terminal-panel.tsx

@@ -3,7 +3,7 @@ import { useQuery } from "@tanstack/react-query";
 import { Terminal } from "lucide-react-native";
 import { Text, View } from "react-native";
 import invariant from "tiny-invariant";
-import type { ListTerminalsResponse } from "@server/shared/messages";
+import type { ListTerminalsResponse } from "@getpaseo/protocol/messages";
 import { TerminalPane } from "@/components/terminal-pane";
 import { usePaneContext, usePaneFocus } from "@/panels/pane-context";
 import type { PanelDescriptor, PanelRegistration } from "@/panels/panel-registry";