diff --git a/home/gabriel/features/ai/pi/extensions/package-lock.json b/home/gabriel/features/ai/pi/extensions/package-lock.json
index 97c07503..32955cc8 100644
--- a/home/gabriel/features/ai/pi/extensions/package-lock.json
+++ b/home/gabriel/features/ai/pi/extensions/package-lock.json
@@ -6,28 +6,30 @@
     "": {
       "name": "pi-extensions",
       "devDependencies": {
-        "@earendil-works/pi-coding-agent": "0.83.0",
+        "@earendil-works/pi-coding-agent": "0.84.3",
         "@types/node": "latest",
         "prettier": "latest",
         "typescript": "latest"
       }
     },
     "node_modules/@earendil-works/pi-coding-agent": {
-      "version": "0.83.0",
-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-coding-agent/-/pi-coding-agent-0.83.0.tgz",
-      "integrity": "sha512-uYhF+FsZxogoSX/AxBcUdiY+ZklubwaXyAoEGA2eQwsHcyEAhUYIKh/WLXe/a8+k8eTCmxb+ZN2Zo9mzQtzbWw==",
+      "version": "0.84.3",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-coding-agent/-/pi-coding-agent-0.84.3.tgz",
+      "integrity": "sha512-Yr2p9PubrbFZmYEPYI+C8KmZP9xlFuLDnAG64RtU0ZDgrdiXYWa+y7WGyJO5OlqPliOkVCMd9IzVszO3/t0D0w==",
       "dev": true,
       "hasShrinkwrap": true,
       "license": "MIT",
       "dependencies": {
-        "@earendil-works/pi-agent-core": "^0.83.0",
-        "@earendil-works/pi-ai": "^0.83.0",
-        "@earendil-works/pi-tui": "^0.83.0",
+        "@earendil-works/pi-agent-core": "^0.84.3",
+        "@earendil-works/pi-ai": "^0.84.3",
+        "@earendil-works/pi-client": "^0.84.3",
+        "@earendil-works/pi-protocol": "^0.84.3",
+        "@earendil-works/pi-tui": "^0.84.3",
         "@silvia-odwyer/photon-node": "0.3.4",
         "chalk": "5.6.2",
         "cross-spawn": "7.0.6",
         "diff": "8.0.4",
-        "glob": "13.0.6",
+        "grok-mermaid": "0.2.2",
         "highlight.js": "10.7.3",
         "hosted-git-info": "9.0.3",
         "ignore": "7.0.5",
@@ -36,11 +38,11 @@
         "proper-lockfile": "4.1.2",
         "semver": "7.8.0",
         "typebox": "1.3.7",
-        "undici": "8.5.0",
+        "undici": "8.9.0",
         "yaml": "2.9.0"
       },
       "bin": {
-        "pi": "dist/cli.js"
+        "pi": "dist/bundle/cli.js"
       },
       "engines": {
         "node": ">=22.19.0"
@@ -512,13 +514,14 @@
       }
     },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-agent-core": {
-      "version": "0.83.0",
-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-agent-core/-/pi-agent-core-0.83.0.tgz",
-      "integrity": "sha512-RorGp9OH5l3ElpuC5a5ZQ2eWcchZGXflXRzVGkV99y3y6tT+LLNyxoYIdVKvTKWEObwhExeQbTH0fI2tE4iX4g==",
+      "version": "0.84.3",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-agent-core/-/pi-agent-core-0.84.3.tgz",
+      "integrity": "sha512-VURr+xBRl3RxYcw3kT9Pn3yfi6LbRoCJgHF7h1mAblMjtLNV/MfG/RyF0uJizBAM886AEakSiw3j9c/aSngppg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@earendil-works/pi-ai": "^0.83.0",
+        "@earendil-works/pi-ai": "^0.84.3",
+        "@earendil-works/pi-telemetry": "^0.84.3",
         "diff": "8.0.4",
         "ignore": "7.0.5",
         "typebox": "1.3.7",
@@ -529,21 +532,20 @@
       }
     },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-ai": {
-      "version": "0.83.0",
-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-ai/-/pi-ai-0.83.0.tgz",
-      "integrity": "sha512-m3IZD4g3er0V8TC9+Vpgw/sjTKqcJlkcIBy/JvsgRubuuik3tAVzyugUg4rVrShIkkOT69mEd34NEqKUIsl6JQ==",
+      "version": "0.84.3",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-ai/-/pi-ai-0.84.3.tgz",
+      "integrity": "sha512-M0YUV8vNO3y2WwWSyY8ijKJV5W4gkSUixuvk+Z00ZBjsyMfsdXfITsHEwP1UIf09YRWXT6oGn0GlCamt+P32XQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "@anthropic-ai/sdk": "0.91.1",
         "@aws-sdk/client-bedrock-runtime": "3.1048.0",
+        "@earendil-works/pi-telemetry": "^0.84.3",
         "@google/genai": "1.52.0",
-        "@mistralai/mistralai": "2.2.6",
-        "@opentelemetry/api": "1.9.0",
         "@smithy/node-http-handler": "4.7.3",
         "http-proxy-agent": "7.0.2",
         "https-proxy-agent": "7.0.6",
-        "openai": "6.26.0",
+        "openai": "6.40.0",
         "partial-json": "0.1.7",
         "typebox": "1.3.7"
       },
@@ -554,10 +556,46 @@
         "node": ">=22.19.0"
       }
     },
+    "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-client": {
+      "version": "0.84.3",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-client/-/pi-client-0.84.3.tgz",
+      "integrity": "sha512-zfErYane+390W0xpBJ/FWCp6aktPpkpcIcXUeZiAziWLoxE80ZNQALRyOSa/gGS5V+1OkNnMYxRxbzN0zUvnOA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@earendil-works/pi-protocol": "^0.84.3"
+      },
+      "engines": {
+        "node": ">=22.19.0"
+      }
+    },
+    "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-protocol": {
+      "version": "0.84.3",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-protocol/-/pi-protocol-0.84.3.tgz",
+      "integrity": "sha512-9a4g6WhLOvRqvsIOFaWxg/2gdrbY4Thclwj5ipLUPAWChfsDJ/8XdPc2sRhSOkD6EsxpEFJz3xppcfwI6EcZDg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "typebox": "1.3.7"
+      },
+      "engines": {
+        "node": ">=22.19.0"
+      }
+    },
+    "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-telemetry": {
+      "version": "0.84.3",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-telemetry/-/pi-telemetry-0.84.3.tgz",
+      "integrity": "sha512-sgEkWoKrvSGaKn+YfLLFZmn+/A7B/w62eLwTD57nI+C9to8ITlFFVbgC2OtwvPnT3NFGHdCd53qhBEMIlptD1g==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=22.19.0"
+      }
+    },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/@earendil-works/pi-tui": {
-      "version": "0.83.0",
-      "resolved": "https://registry.npmjs.org/@earendil-works/pi-tui/-/pi-tui-0.83.0.tgz",
-      "integrity": "sha512-IoYrb0rORjELmEpNtoCA/U8je3KopMkRAVJRdSzvXRvgb+Huo1gNh8Q5CSZvNOiYtDxJdj2tYZZHZ4B3+IN3hA==",
+      "version": "0.84.3",
+      "resolved": "https://registry.npmjs.org/@earendil-works/pi-tui/-/pi-tui-0.84.3.tgz",
+      "integrity": "sha512-fS6OEQKEEALnKa6Uw8LcgZZ+9CWck7f3MQSCETQp6leUgIFwMEDtKmOUnL9nsYm+RIPmy7OmplVxYRbV6hiaFg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -783,27 +821,6 @@
         "node": ">= 10"
       }
     },
-    "node_modules/@earendil-works/pi-coding-agent/node_modules/@mistralai/mistralai": {
-      "version": "2.2.6",
-      "resolved": "https://registry.npmjs.org/@mistralai/mistralai/-/mistralai-2.2.6.tgz",
-      "integrity": "sha512-W8pX7zHxjJvMIpw8JMxeJEleapXX0Q9NPszdNzqkM3MIEoIGPObdodujj+WHteXEvGfaP/AMwlNyRfEzSY6dQQ==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "dependencies": {
-        "@opentelemetry/semantic-conventions": "^1.40.0",
-        "ws": "^8.18.0",
-        "zod": "^3.25.0 || ^4.0.0",
-        "zod-to-json-schema": "^3.25.0"
-      },
-      "peerDependencies": {
-        "@opentelemetry/api": "^1.9.0"
-      },
-      "peerDependenciesMeta": {
-        "@opentelemetry/api": {
-          "optional": true
-        }
-      }
-    },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/@nodable/entities": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/@nodable/entities/-/entities-2.1.0.tgz",
@@ -817,26 +834,6 @@
       ],
       "license": "MIT"
     },
-    "node_modules/@earendil-works/pi-coding-agent/node_modules/@opentelemetry/api": {
-      "version": "1.9.0",
-      "resolved": "https://registry.npmjs.org/@opentelemetry/api/-/api-1.9.0.tgz",
-      "integrity": "sha512-3giAOQvZiH5F9bMlMiv8+GSPMeqg0dbaeo58/0SlA9sxSqZhnUtxzX9/2FzyhS9sWQf5S0GJE0AKBrFqjpeYcg==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "engines": {
-        "node": ">=8.0.0"
-      }
-    },
-    "node_modules/@earendil-works/pi-coding-agent/node_modules/@opentelemetry/semantic-conventions": {
-      "version": "1.41.1",
-      "resolved": "https://registry.npmjs.org/@opentelemetry/semantic-conventions/-/semantic-conventions-1.41.1.tgz",
-      "integrity": "sha512-/UhIkaZgPutTFmQ7RnIJGgDXZmtEJ7Dvi86xNTFWcnRxVRNk/aotsqDJYeEvDP+FSMB2SdW+pQzNMcWP0rwuNA==",
-      "dev": true,
-      "license": "Apache-2.0",
-      "engines": {
-        "node": ">=14"
-      }
-    },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/@protobufjs/aspromise": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/@protobufjs/aspromise/-/aspromise-1.1.2.tgz",
@@ -1108,16 +1105,16 @@
       "license": "MIT"
     },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/brace-expansion": {
-      "version": "5.0.7",
-      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.7.tgz",
-      "integrity": "sha512-7oFy703dxfY3/NLxC1fh2SUCQ0H9rmAY+5EpDVfXjUTTs+HEwR2nYaqLv+GWcTsumwxPfiz6CzCNkwXwBUwqCA==",
+      "version": "5.0.9",
+      "resolved": "https://registry.npmjs.org/brace-expansion/-/brace-expansion-5.0.9.tgz",
+      "integrity": "sha512-ScQ4IuvIEF1TMlP7Zt+vjJ//9zlPb2SDcxWxM3bk8s6t6GGdJ7KO1dCcTidOPJKePW30LE/2cT7wCyPho9/Wxg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
         "balanced-match": "^4.0.2"
       },
       "engines": {
-        "node": "18 || 20 || >=22"
+        "node": "20 || >=22"
       }
     },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/buffer-equal-constant-time": {
@@ -1329,24 +1326,6 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
-    "node_modules/@earendil-works/pi-coding-agent/node_modules/glob": {
-      "version": "13.0.6",
-      "resolved": "https://registry.npmjs.org/glob/-/glob-13.0.6.tgz",
-      "integrity": "sha512-Wjlyrolmm8uDpm/ogGyXZXb1Z+Ca2B8NbJwqBVg0axK9GbBeoS7yGV6vjXnYdGm6X53iehEuxxbyiKp8QmN4Vw==",
-      "dev": true,
-      "license": "BlueOak-1.0.0",
-      "dependencies": {
-        "minimatch": "^10.2.2",
-        "minipass": "^7.1.3",
-        "path-scurry": "^2.0.2"
-      },
-      "engines": {
-        "node": "18 || 20 || >=22"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/google-auth-library": {
       "version": "10.6.2",
       "resolved": "https://registry.npmjs.org/google-auth-library/-/google-auth-library-10.6.2.tgz",
@@ -1382,6 +1361,16 @@
       "dev": true,
       "license": "ISC"
     },
+    "node_modules/@earendil-works/pi-coding-agent/node_modules/grok-mermaid": {
+      "version": "0.2.2",
+      "resolved": "https://registry.npmjs.org/grok-mermaid/-/grok-mermaid-0.2.2.tgz",
+      "integrity": "sha512-XcJEP5dDC8liHBh52mlLjU18fNvu1ckFsu0QpIG3+APZ270fsj9wxpiA6cOURmbUEuoMVgjbC2+UYgTdCqqgzA==",
+      "dev": true,
+      "license": "Apache-2.0",
+      "engines": {
+        "node": ">=18"
+      }
+    },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/highlight.js": {
       "version": "10.7.3",
       "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-10.7.3.tgz",
@@ -1553,16 +1542,6 @@
         "url": "https://github.com/sponsors/isaacs"
       }
     },
-    "node_modules/@earendil-works/pi-coding-agent/node_modules/minipass": {
-      "version": "7.1.3",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-7.1.3.tgz",
-      "integrity": "sha512-tEBHqDnIoM/1rXME1zgka9g6Q2lcoCkxHLuc7ODJ5BxbP5d4c2Z5cGgtXAku59200Cx7diuHTOYfSBD8n6mm8A==",
-      "dev": true,
-      "license": "BlueOak-1.0.0",
-      "engines": {
-        "node": ">=16 || 14 >=14.17"
-      }
-    },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/ms": {
       "version": "2.1.3",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.3.tgz",
@@ -1611,14 +1590,11 @@
       }
     },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/openai": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/openai/-/openai-6.26.0.tgz",
-      "integrity": "sha512-zd23dbWTjiJ6sSAX6s0HrCZi41JwTA1bQVs0wLQPZ2/5o2gxOJA5wh7yOAUgwYybfhDXyhwlpeQf7Mlgx8EOCA==",
+      "version": "6.40.0",
+      "resolved": "https://registry.npmjs.org/openai/-/openai-6.40.0.tgz",
+      "integrity": "sha512-MWtTjd/gQt4jpbji61NTgFWJLoY/PdRJ6wG9/ZDRMYNMlBKrCrSlkLI+KgHP1vR1qT6LKSAyAqIxno6lcK9JiA==",
       "dev": true,
       "license": "Apache-2.0",
-      "bin": {
-        "openai": "bin/cli"
-      },
       "peerDependencies": {
         "ws": "^8.18.0",
         "zod": "^3.25 || ^4.0"
@@ -1686,23 +1662,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/@earendil-works/pi-coding-agent/node_modules/path-scurry": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/path-scurry/-/path-scurry-2.0.2.tgz",
-      "integrity": "sha512-3O/iVVsJAPsOnpwWIeD+d6z/7PmqApyQePUtCndjatj/9I5LylHvt5qluFaBT3I5h3r1ejfR056c+FCv+NnNXg==",
-      "dev": true,
-      "license": "BlueOak-1.0.0",
-      "dependencies": {
-        "lru-cache": "^11.0.0",
-        "minipass": "^7.1.2"
-      },
-      "engines": {
-        "node": "18 || 20 || >=22"
-      },
-      "funding": {
-        "url": "https://github.com/sponsors/isaacs"
-      }
-    },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/proper-lockfile": {
       "version": "4.1.2",
       "resolved": "https://registry.npmjs.org/proper-lockfile/-/proper-lockfile-4.1.2.tgz",
@@ -1858,9 +1817,9 @@
       "license": "MIT"
     },
     "node_modules/@earendil-works/pi-coding-agent/node_modules/undici": {
-      "version": "8.5.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-8.5.0.tgz",
-      "integrity": "sha512-xamtWoB1EshgjpmlXd7GGm2VfdDtw1+rD8uhry8pSNW3If6S8E0m2T2+orSKeZXEn/aPJMviCpDBA65WJt8zhg==",
+      "version": "8.9.0",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-8.9.0.tgz",
+      "integrity": "sha512-aWZpUj7XoGonMClx4gdDRfgBjqeA+F473aDmROQQbM9n6PRfK/u1q/a0X4wMTgcHfT8H6fpbt98PFuDUwFg2YA==",
       "dev": true,
       "license": "MIT",
       "engines": {
@@ -1954,26 +1913,6 @@
         "url": "https://github.com/sponsors/eemeli"
       }
     },
-    "node_modules/@earendil-works/pi-coding-agent/node_modules/zod": {
-      "version": "3.25.76",
-      "resolved": "https://registry.npmjs.org/zod/-/zod-3.25.76.tgz",
-      "integrity": "sha512-gzUt/qt81nXsFGKIFcC3YnfEAx5NkunCfnDlvuBSSFS02bcXu4Lmea0AFIUwbLWxWPx3d9p8S5QoaujKcNQxcQ==",
-      "dev": true,
-      "license": "MIT",
-      "funding": {
-        "url": "https://github.com/sponsors/colinhacks"
-      }
-    },
-    "node_modules/@earendil-works/pi-coding-agent/node_modules/zod-to-json-schema": {
-      "version": "3.25.2",
-      "resolved": "https://registry.npmjs.org/zod-to-json-schema/-/zod-to-json-schema-3.25.2.tgz",
-      "integrity": "sha512-O/PgfnpT1xKSDeQYSCfRI5Gy3hPf91mKVDuYLUHZJMiDFptvP41MSnWofm8dnCm0256ZNfZIM7DSzuSMAFnjHA==",
-      "dev": true,
-      "license": "ISC",
-      "peerDependencies": {
-        "zod": "^3.25.28 || ^4"
-      }
-    },
     "node_modules/@types/node": {
       "version": "26.0.1",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-26.0.1.tgz",
diff --git a/home/gabriel/features/ai/pi/extensions/package.json b/home/gabriel/features/ai/pi/extensions/package.json
index 1151b1a5..6ea565d7 100644
--- a/home/gabriel/features/ai/pi/extensions/package.json
+++ b/home/gabriel/features/ai/pi/extensions/package.json
@@ -8,7 +8,7 @@
     "format:check": "prettier --check \"*.ts\""
   },
   "devDependencies": {
-    "@earendil-works/pi-coding-agent": "0.83.0",
+    "@earendil-works/pi-coding-agent": "0.84.3",
     "@types/node": "latest",
     "prettier": "latest",
     "typescript": "latest"
diff --git a/overlays/default.nix b/overlays/default.nix
index 38a211b2..61b610b5 100644
--- a/overlays/default.nix
+++ b/overlays/default.nix
@@ -182,15 +182,21 @@ in {
     });
 
     pi-coding-agent = prev.pi-coding-agent.overrideAttrs (finalAttrs: oldAttrs: {
-      version = "0.83.0";
-      src = final.fetchzip {
-        url = "https://github.com/earendil-works/pi/releases/download/v${finalAttrs.version}/pi-${finalAttrs.version}-source.tar.gz";
-        hash = "sha256-6gN1KVzpEGI8wx5oYmoNwtU4sfw4ZCAWanXmmnlLQ2E=";
+      version = "0.84.3";
+      src = final.fetchFromGitHub {
+        owner = "earendil-works";
+        repo = "pi";
+        tag = "v${finalAttrs.version}";
+        hash = "sha256-fC9pKgP2qD61ae5d7iOqP8anl88J1N1Bq8X8+aAjA2A=";
       };
       npmDeps = final.fetchNpmDeps {
         name = "${finalAttrs.pname}-${finalAttrs.version}-npm-deps";
         inherit (finalAttrs) src;
-        hash = "sha256-AbSfP1Ion8bN309NUBQb1QSn2cIIUjNONmZgls9vnYE=";
+        hash = "sha256-cDx28+c4bwtQpiy5+BCvZhZezoZb4WRqfZj2eoEeMbw=";
+      };
+      modelData = final.fetchurl {
+        url = "https://registry.npmjs.org/@earendil-works/pi-ai/-/pi-ai-${finalAttrs.version}.tgz";
+        hash = "sha256-nECvL0OVD46U57vNDBs1SPAAly2gDE+5wNBSnU19VDE=";
       };
     });