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/tui/test/virtual-terminal.ts

@@ -101,6 +101,7 @@ export class VirtualTerminal implements Terminal {
 	}
 
 	setProgress(_active: boolean): void {}
+	setProgramStatus(): void {}
 
 	// Test-specific methods not in Terminal interface