chore(vendor): import pi 1.3.0

Imported as a linear vendor commit so forge rebases do not replay the upstream root tree.

git-subtree-dir: third_party/pi

git-subtree-split: 71023aec1546d6d677a65669c5665c0927ce0dd0

third_party/pi/packages/env/src/index.ts

@@ -0,0 +1,32 @@
+export {
+	Connection,
+	type ConnectionOptions,
+	isConnectionLost,
+	nodePlatform,
+	RemoteError,
+	type RemoteInfo,
+	type Reply,
+	type RequestOptions,
+} from "./connection.ts";
+export { LocalExecutionEnv, type LocalExecutionEnvOptions } from "./list-files.ts";
+export { RemoteExecutionEnv, type RemoteExecutionEnvOptions } from "./remote-env.ts";
+export {
+	acceptHostKey,
+	connectSsh,
+	deployDaemon,
+	detectPlatform,
+	forgetHostKey,
+	HostKeyChangedError,
+	HostKeyUnknownError,
+	localDaemon,
+	packagedDaemon,
+	type RemotePlatform,
+	type SshConnectOptions,
+	SshError,
+	type SshTarget,
+	scanHostKey,
+	sshArguments,
+	sshConnection,
+} from "./ssh.ts";
+export { openTerminal, RemoteTerminal, type TerminalForeground, type TerminalOptions } from "./terminal.ts";
+export { RemoteWatcher, type RemoteWatchOptions } from "./watch.ts";