diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 62fae615..9fcef7a1 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -84,6 +84,8 @@ jobs:
           key: ptywright-${{ runner.os }}-${{ hashFiles('packages/ptywright/GHOSTTY_UPSTREAM', 'packages/ptywright/native/**', 'packages/ptywright/scripts/**') }}
       - run: npm run build --workspace @onkernel/cua-ai
       - run: npm run build --workspace @onkernel/cua-agent
+      - name: Typecheck workspace
+        run: npx tsc -b
       - name: Build ptywright (native binding)
         run: npm run build --workspace @onkernel/ptywright
       - name: CLI unit tests
diff --git a/package-lock.json b/package-lock.json
index 60001b53..beae503d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -22,26 +22,6 @@
         "node": ">=22.19.0"
       }
     },
-    "node_modules/@anthropic-ai/sdk": {
-      "version": "0.90.0",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/sdk/-/sdk-0.90.0.tgz",
-      "integrity": "sha512-MzZtPabJF1b0FTDl6Z6H5ljphPwACLGP13lu8MTiB8jXaW/YXlpOp+Po2cVou3MPM5+f5toyLnul9whKCy7fBg==",
-      "license": "MIT",
-      "dependencies": {
-        "json-schema-to-ts": "^3.1.1"
-      },
-      "bin": {
-        "anthropic-ai-sdk": "bin/cli"
-      },
-      "peerDependencies": {
-        "zod": "^3.25.0 || ^4.0.0"
-      },
-      "peerDependenciesMeta": {
-        "zod": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/@aws-crypto/crc32": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/@aws-crypto/crc32/-/crc32-5.2.0.tgz",
@@ -3436,55 +3416,6 @@
         "@jridgewell/sourcemap-codec": "^1.4.14"
       }
     },
-    "node_modules/@mariozechner/pi-agent-core": {
-      "version": "0.67.6",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "@mariozechner/pi-ai": "^0.67.6"
-      },
-      "engines": {
-        "node": ">=20.0.0"
-      }
-    },
-    "node_modules/@mariozechner/pi-ai": {
-      "version": "0.67.6",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "@anthropic-ai/sdk": "^0.90.0",
-        "@aws-sdk/client-bedrock-runtime": "^3.1030.0",
-        "@google/genai": "^1.40.0",
-        "@mistralai/mistralai": "1.14.1",
-        "@sinclair/typebox": "^0.34.41",
-        "ajv": "^8.17.1",
-        "ajv-formats": "^3.0.1",
-        "chalk": "^5.6.2",
-        "openai": "6.26.0",
-        "partial-json": "^0.1.7",
-        "proxy-agent": "^6.5.0",
-        "undici": "^7.19.1",
-        "zod-to-json-schema": "^3.24.6"
-      },
-      "bin": {
-        "pi-ai": "dist/cli.js"
-      },
-      "engines": {
-        "node": ">=20.0.0"
-      }
-    },
-    "node_modules/@mistralai/mistralai": {
-      "version": "1.14.1",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "ws": "^8.18.0",
-        "zod": "^3.25.0 || ^4.0.0",
-        "zod-to-json-schema": "^3.24.1"
-      }
-    },
     "node_modules/@napi-rs/wasm-runtime": {
       "version": "1.1.5",
       "resolved": "https://registry.npmjs.org/@napi-rs/wasm-runtime/-/wasm-runtime-1.1.5.tgz",
@@ -4217,10 +4148,6 @@
         "win32"
       ]
     },
-    "node_modules/@sinclair/typebox": {
-      "version": "0.34.49",
-      "license": "MIT"
-    },
     "node_modules/@smithy/core": {
       "version": "3.24.6",
       "resolved": "https://registry.npmjs.org/@smithy/core/-/core-3.24.6.tgz",
@@ -4341,12 +4268,6 @@
         "node": ">=14.0.0"
       }
     },
-    "node_modules/@tootallnate/quickjs-emscripten": {
-      "version": "0.23.0",
-      "license": "MIT",
-      "optional": true,
-      "peer": true
-    },
     "node_modules/@tybys/wasm-util": {
       "version": "0.10.2",
       "resolved": "https://registry.npmjs.org/@tybys/wasm-util/-/wasm-util-0.10.2.tgz",
@@ -4529,39 +4450,6 @@
         "node": ">= 14"
       }
     },
-    "node_modules/ajv": {
-      "version": "8.18.0",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "fast-deep-equal": "^3.1.3",
-        "fast-uri": "^3.0.1",
-        "json-schema-traverse": "^1.0.0",
-        "require-from-string": "^2.0.2"
-      },
-      "funding": {
-        "type": "github",
-        "url": "https://github.com/sponsors/epoberezkin"
-      }
-    },
-    "node_modules/ajv-formats": {
-      "version": "3.0.1",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "ajv": "^8.0.0"
-      },
-      "peerDependencies": {
-        "ajv": "^8.0.0"
-      },
-      "peerDependenciesMeta": {
-        "ajv": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/ansis": {
       "version": "4.3.1",
       "resolved": "https://registry.npmjs.org/ansis/-/ansis-4.3.1.tgz",
@@ -4612,18 +4500,6 @@
         "url": "https://github.com/sponsors/sxzz"
       }
     },
-    "node_modules/ast-types": {
-      "version": "0.13.4",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "tslib": "^2.0.1"
-      },
-      "engines": {
-        "node": ">=4"
-      }
-    },
     "node_modules/base64-js": {
       "version": "1.5.1",
       "funding": [
@@ -4642,15 +4518,6 @@
       ],
       "license": "MIT"
     },
-    "node_modules/basic-ftp": {
-      "version": "5.3.0",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">=10.0.0"
-      }
-    },
     "node_modules/bignumber.js": {
       "version": "9.3.1",
       "license": "MIT",
@@ -4705,18 +4572,6 @@
         "node": ">=18"
       }
     },
-    "node_modules/chalk": {
-      "version": "5.6.2",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": "^12.17.0 || ^14.13 || >=16.0.0"
-      },
-      "funding": {
-        "url": "https://github.com/chalk/chalk?sponsor=1"
-      }
-    },
     "node_modules/check-error": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/check-error/-/check-error-2.1.3.tgz",
@@ -4766,20 +4621,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/degenerator": {
-      "version": "5.0.1",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "ast-types": "^0.13.4",
-        "escodegen": "^2.1.0",
-        "esprima": "^4.0.1"
-      },
-      "engines": {
-        "node": ">= 14"
-      }
-    },
     "node_modules/detect-libc": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.1.2.tgz",
@@ -4876,49 +4717,6 @@
         "@esbuild/win32-x64": "0.27.7"
       }
     },
-    "node_modules/escodegen": {
-      "version": "2.1.0",
-      "license": "BSD-2-Clause",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "esprima": "^4.0.1",
-        "estraverse": "^5.2.0",
-        "esutils": "^2.0.2"
-      },
-      "bin": {
-        "escodegen": "bin/escodegen.js",
-        "esgenerate": "bin/esgenerate.js"
-      },
-      "engines": {
-        "node": ">=6.0"
-      },
-      "optionalDependencies": {
-        "source-map": "~0.6.1"
-      }
-    },
-    "node_modules/esprima": {
-      "version": "4.0.1",
-      "license": "BSD-2-Clause",
-      "optional": true,
-      "peer": true,
-      "bin": {
-        "esparse": "bin/esparse.js",
-        "esvalidate": "bin/esvalidate.js"
-      },
-      "engines": {
-        "node": ">=4"
-      }
-    },
-    "node_modules/estraverse": {
-      "version": "5.3.0",
-      "license": "BSD-2-Clause",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">=4.0"
-      }
-    },
     "node_modules/estree-walker": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/estree-walker/-/estree-walker-3.0.3.tgz",
@@ -4929,15 +4727,6 @@
         "@types/estree": "^1.0.0"
       }
     },
-    "node_modules/esutils": {
-      "version": "2.0.3",
-      "license": "BSD-2-Clause",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/expect-type": {
       "version": "1.3.0",
       "resolved": "https://registry.npmjs.org/expect-type/-/expect-type-1.3.0.tgz",
@@ -4952,28 +4741,6 @@
       "version": "3.0.2",
       "license": "MIT"
     },
-    "node_modules/fast-deep-equal": {
-      "version": "3.1.3",
-      "license": "MIT",
-      "optional": true,
-      "peer": true
-    },
-    "node_modules/fast-uri": {
-      "version": "3.1.0",
-      "funding": [
-        {
-          "type": "github",
-          "url": "https://github.com/sponsors/fastify"
-        },
-        {
-          "type": "opencollective",
-          "url": "https://opencollective.com/fastify"
-        }
-      ],
-      "license": "BSD-3-Clause",
-      "optional": true,
-      "peer": true
-    },
     "node_modules/fast-xml-builder": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/fast-xml-builder/-/fast-xml-builder-1.2.0.tgz",
@@ -5124,29 +4891,6 @@
         "url": "https://github.com/privatenumber/get-tsconfig?sponsor=1"
       }
     },
-    "node_modules/get-uri": {
-      "version": "6.0.5",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "basic-ftp": "^5.0.2",
-        "data-uri-to-buffer": "^6.0.2",
-        "debug": "^4.3.4"
-      },
-      "engines": {
-        "node": ">= 14"
-      }
-    },
-    "node_modules/get-uri/node_modules/data-uri-to-buffer": {
-      "version": "6.0.2",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">= 14"
-      }
-    },
     "node_modules/google-auth-library": {
       "version": "10.6.2",
       "license": "Apache-2.0",
@@ -5218,15 +4962,6 @@
         "url": "https://github.com/sponsors/sxzz"
       }
     },
-    "node_modules/ip-address": {
-      "version": "10.1.0",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">= 12"
-      }
-    },
     "node_modules/js-tokens": {
       "version": "9.0.1",
       "resolved": "https://registry.npmjs.org/js-tokens/-/js-tokens-9.0.1.tgz",
@@ -5265,12 +5000,6 @@
         "node": ">=16"
       }
     },
-    "node_modules/json-schema-traverse": {
-      "version": "1.0.0",
-      "license": "MIT",
-      "optional": true,
-      "peer": true
-    },
     "node_modules/jwa": {
       "version": "2.0.1",
       "license": "MIT",
@@ -5299,15 +5028,6 @@
       "dev": true,
       "license": "MIT"
     },
-    "node_modules/lru-cache": {
-      "version": "7.18.3",
-      "license": "ISC",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">=12"
-      }
-    },
     "node_modules/magic-string": {
       "version": "0.30.21",
       "resolved": "https://registry.npmjs.org/magic-string/-/magic-string-0.30.21.tgz",
@@ -5351,15 +5071,6 @@
         "node": "^10 || ^12 || ^13.7 || ^14 || >=15.0.1"
       }
     },
-    "node_modules/netmask": {
-      "version": "2.1.1",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">= 0.4.0"
-      }
-    },
     "node_modules/node-addon-api": {
       "version": "8.7.0",
       "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-8.7.0.tgz",
@@ -5462,38 +5173,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/pac-proxy-agent": {
-      "version": "7.2.0",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "@tootallnate/quickjs-emscripten": "^0.23.0",
-        "agent-base": "^7.1.2",
-        "debug": "^4.3.4",
-        "get-uri": "^6.0.1",
-        "http-proxy-agent": "^7.0.0",
-        "https-proxy-agent": "^7.0.6",
-        "pac-resolver": "^7.0.1",
-        "socks-proxy-agent": "^8.0.5"
-      },
-      "engines": {
-        "node": ">= 14"
-      }
-    },
-    "node_modules/pac-resolver": {
-      "version": "7.0.1",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "degenerator": "^5.0.0",
-        "netmask": "^2.0.2"
-      },
-      "engines": {
-        "node": ">= 14"
-      }
-    },
     "node_modules/partial-json": {
       "version": "0.1.7",
       "license": "MIT"
@@ -5601,31 +5280,6 @@
         "node": ">=12.0.0"
       }
     },
-    "node_modules/proxy-agent": {
-      "version": "6.5.0",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "agent-base": "^7.1.2",
-        "debug": "^4.3.4",
-        "http-proxy-agent": "^7.0.1",
-        "https-proxy-agent": "^7.0.6",
-        "lru-cache": "^7.14.1",
-        "pac-proxy-agent": "^7.1.0",
-        "proxy-from-env": "^1.1.0",
-        "socks-proxy-agent": "^8.0.5"
-      },
-      "engines": {
-        "node": ">= 14"
-      }
-    },
-    "node_modules/proxy-from-env": {
-      "version": "1.1.0",
-      "license": "MIT",
-      "optional": true,
-      "peer": true
-    },
     "node_modules/quansync": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/quansync/-/quansync-1.0.0.tgz",
@@ -5643,15 +5297,6 @@
       ],
       "license": "MIT"
     },
-    "node_modules/require-from-string": {
-      "version": "2.0.2",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/resolve-pkg-maps": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/resolve-pkg-maps/-/resolve-pkg-maps-1.0.0.tgz",
@@ -5889,53 +5534,6 @@
       "dev": true,
       "license": "ISC"
     },
-    "node_modules/smart-buffer": {
-      "version": "4.2.0",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">= 6.0.0",
-        "npm": ">= 3.0.0"
-      }
-    },
-    "node_modules/socks": {
-      "version": "2.8.7",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "ip-address": "^10.0.1",
-        "smart-buffer": "^4.2.0"
-      },
-      "engines": {
-        "node": ">= 10.0.0",
-        "npm": ">= 3.0.0"
-      }
-    },
-    "node_modules/socks-proxy-agent": {
-      "version": "8.0.5",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "dependencies": {
-        "agent-base": "^7.1.2",
-        "debug": "^4.3.4",
-        "socks": "^2.8.3"
-      },
-      "engines": {
-        "node": ">= 14"
-      }
-    },
-    "node_modules/source-map": {
-      "version": "0.6.1",
-      "license": "BSD-3-Clause",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/source-map-js": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/source-map-js/-/source-map-js-1.2.1.tgz",
@@ -6210,15 +5808,6 @@
         "url": "https://github.com/sponsors/antfu"
       }
     },
-    "node_modules/undici": {
-      "version": "7.25.0",
-      "license": "MIT",
-      "optional": true,
-      "peer": true,
-      "engines": {
-        "node": ">=20.18.1"
-      }
-    },
     "node_modules/undici-types": {
       "version": "6.21.0",
       "license": "MIT"
diff --git a/package.json b/package.json
index 480321f1..a1899168 100644
--- a/package.json
+++ b/package.json
@@ -11,10 +11,10 @@
     "packages/cli"
   ],
   "scripts": {
-    "build": "npm run build --workspace @onkernel/cua-ai && tsc -b && npm run build --workspace @onkernel/cua-agent && npm run build:native --workspace @onkernel/ptywright --if-present",
+    "build": "npm run build --workspace @onkernel/cua-ai && npm run build --workspace @onkernel/cua-agent && tsc -b && npm run build:native --workspace @onkernel/ptywright --if-present",
     "build:cli": "npm run build --workspace @onkernel/cua-cli",
     "dev": "tsc -b --watch",
-    "typecheck": "npm run build --workspace @onkernel/cua-ai && tsc -b",
+    "typecheck": "npm run build --workspace @onkernel/cua-ai && npm run build --workspace @onkernel/cua-agent && tsc -b",
     "clean": "tsc -b --clean && npm run clean:native --workspace @onkernel/ptywright --if-present"
   },
   "engines": {