Remove flask ASCII art and update harness internals

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

package.json

@@ -47,18 +47,18 @@
   },
   "dependencies": {
     "@companion-ai/alpha-hub": "^0.1.2",
-    "@mariozechner/pi-ai": "^0.56.1",
-    "@mariozechner/pi-coding-agent": "^0.56.1",
-    "@sinclair/typebox": "^0.34.41",
-    "dotenv": "^16.4.7"
+    "@mariozechner/pi-ai": "^0.62.0",
+    "@mariozechner/pi-coding-agent": "^0.62.0",
+    "@sinclair/typebox": "^0.34.48",
+    "dotenv": "^17.3.1"
   },
   "devDependencies": {
-    "@types/node": "^24.3.0",
-    "tsx": "^4.20.5",
-    "typescript": "^5.7.3"
+    "@types/node": "^25.5.0",
+    "tsx": "^4.21.0",
+    "typescript": "^5.9.3"
   },
   "engines": {
-    "node": ">=20.6.0"
+    "node": ">=20.18.1"
   },
   "repository": {
     "type": "git",