chore(vendor): import pi 0.85.1

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: d981de1229ef899957bbe968bc8dcda02a21f477

third_party/pi/packages/agent/benchmark/tsconfig.json

@@ -0,0 +1,12 @@
+{
+	"extends": "../../../tsconfig.base.json",
+	"compilerOptions": {
+		"baseUrl": "../../..",
+		"noEmit": true,
+		"paths": {
+			"@earendil-works/pi-ai": ["packages/ai/src/index.ts"],
+			"@earendil-works/pi-ai/*": ["packages/ai/src/*"]
+		}
+	},
+	"include": ["./**/*.ts", "../src/**/*.ts"]
+}