diff --git a/package-lock.json b/package-lock.json
index 8f26e531..268a14e3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -19,26 +19,29 @@
         "jsdom": "^29.1.1",
         "prettier": "^3.9.6",
         "vitest": "^4.1.10"
+      },
+      "engines": {
+        "node": ">=22"
       }
     },
     "node_modules/@anthropic-ai/claude-agent-sdk": {
-      "version": "0.3.250",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk/-/claude-agent-sdk-0.3.250.tgz",
-      "integrity": "sha512-qT/1cBZs0+xPsQfqVOnwIk6pNW8XBkTpQS5RAXKHYb2XYCKqYc0UmOaeiYU2WeI6HEZKORa5iCaAZyKWGluShw==",
+      "version": "0.3.270",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk/-/claude-agent-sdk-0.3.270.tgz",
+      "integrity": "sha512-sSfcm5Nhb+WHeBCxqeHRRQMUKPmFTL+zgv5xcRUVaFMLttfNEbn3IZJE+fLJJmy4h3J8zdc5sXdSa1JxyB8ppQ==",
       "dev": true,
       "license": "SEE LICENSE IN README.md",
       "engines": {
         "node": ">=18.0.0"
       },
       "optionalDependencies": {
-        "@anthropic-ai/claude-agent-sdk-darwin-arm64": "0.3.250",
-        "@anthropic-ai/claude-agent-sdk-darwin-x64": "0.3.250",
-        "@anthropic-ai/claude-agent-sdk-linux-arm64": "0.3.250",
-        "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": "0.3.250",
-        "@anthropic-ai/claude-agent-sdk-linux-x64": "0.3.250",
-        "@anthropic-ai/claude-agent-sdk-linux-x64-musl": "0.3.250",
-        "@anthropic-ai/claude-agent-sdk-win32-arm64": "0.3.250",
-        "@anthropic-ai/claude-agent-sdk-win32-x64": "0.3.250"
+        "@anthropic-ai/claude-agent-sdk-darwin-arm64": "0.3.270",
+        "@anthropic-ai/claude-agent-sdk-darwin-x64": "0.3.270",
+        "@anthropic-ai/claude-agent-sdk-linux-arm64": "0.3.270",
+        "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": "0.3.270",
+        "@anthropic-ai/claude-agent-sdk-linux-x64": "0.3.270",
+        "@anthropic-ai/claude-agent-sdk-linux-x64-musl": "0.3.270",
+        "@anthropic-ai/claude-agent-sdk-win32-arm64": "0.3.270",
+        "@anthropic-ai/claude-agent-sdk-win32-x64": "0.3.270"
       },
       "peerDependencies": {
         "@anthropic-ai/sdk": ">=0.93.0",
@@ -47,9 +50,9 @@
       }
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-darwin-arm64": {
-      "version": "0.3.250",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-darwin-arm64/-/claude-agent-sdk-darwin-arm64-0.3.250.tgz",
-      "integrity": "sha512-tcekW4gR2UH0Q3COBaNPQIdud2lKEbs0HfG2yNKC18hXFPpgbuLCdjq0ndS1lcvC1q8ncPW3oQPUutQt3StICQ==",
+      "version": "0.3.270",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-darwin-arm64/-/claude-agent-sdk-darwin-arm64-0.3.270.tgz",
+      "integrity": "sha512-nk7BP+i559rheYz9DIwAfevd4DulQXP0mXPP+MeO2fGuIGFmzhE/c0JRm9YswXv5HdaYJvSzjGIB7dVA01NehA==",
       "cpu": [
         "arm64"
       ],
@@ -61,9 +64,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-darwin-x64": {
-      "version": "0.3.250",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-darwin-x64/-/claude-agent-sdk-darwin-x64-0.3.250.tgz",
-      "integrity": "sha512-8Yxmmi76oVEIam+oRgxcL2RtqEkKX9Gp4rh500HmMltjX3Tk/ryjCoJEHoaUdU/LU6vWvfQU5W+dB/SJCQQb2A==",
+      "version": "0.3.270",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-darwin-x64/-/claude-agent-sdk-darwin-x64-0.3.270.tgz",
+      "integrity": "sha512-89Uql8Oalm52ojdZZeNLU24LKrU+WG9QR7d6YP9ly4aY0YvQUJDaTosbDkijQngUETbPBFdKuVp6fNM8x0Zt3Q==",
       "cpu": [
         "x64"
       ],
@@ -75,9 +78,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-linux-arm64": {
-      "version": "0.3.250",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-arm64/-/claude-agent-sdk-linux-arm64-0.3.250.tgz",
-      "integrity": "sha512-exABrKfqDv9rp6UCqOTjd4rH1lH6YZt0IuGFsAEHg52N08i5+4/uRtUlQzMf0VpN/dgqDoxt5jpOB9hH863r9w==",
+      "version": "0.3.270",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-arm64/-/claude-agent-sdk-linux-arm64-0.3.270.tgz",
+      "integrity": "sha512-iHPYqwetyeO4tZPzXyKZz0hUh2fLpwu/+biGTxxynikG3XrYknovZ/znGDA3TxjSFurqHf5IIDA+SOjh9OPs0A==",
       "cpu": [
         "arm64"
       ],
@@ -92,9 +95,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-linux-arm64-musl": {
-      "version": "0.3.250",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-arm64-musl/-/claude-agent-sdk-linux-arm64-musl-0.3.250.tgz",
-      "integrity": "sha512-wpe2UmFrC2wyR+DbG6zIiRmqiFvK8nJjdi++nf3jNn0ZSHvW2BqPrh+JnPJOcmkAYR58IdMIj2jagbQAGtN/rA==",
+      "version": "0.3.270",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-arm64-musl/-/claude-agent-sdk-linux-arm64-musl-0.3.270.tgz",
+      "integrity": "sha512-2BlLk2MAohWG2h43RKcjCA4ooMfBxzKf4yyYfOVv1DtYr8zPU876MHCT1VXB2BaemjKA0pdYJJBzH6pncwx6MQ==",
       "cpu": [
         "arm64"
       ],
@@ -109,9 +112,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-linux-x64": {
-      "version": "0.3.250",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-x64/-/claude-agent-sdk-linux-x64-0.3.250.tgz",
-      "integrity": "sha512-skqoeRDEjobqtIXmt9GNWJUyjcSvKHEf5QVf4PF9v37CtkJWEt7Hs64yFkahFD1mY34FAUyy/Ij0NrbeGKHPBg==",
+      "version": "0.3.270",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-x64/-/claude-agent-sdk-linux-x64-0.3.270.tgz",
+      "integrity": "sha512-ADaqz2viyAd0GUxdupYLX/K0YJb46xckNpEeWxyLK/9+26b/R5stbaGDyL29fIzyq1ymnNUOaCgEWEemgX0kEA==",
       "cpu": [
         "x64"
       ],
@@ -126,9 +129,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-linux-x64-musl": {
-      "version": "0.3.250",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-x64-musl/-/claude-agent-sdk-linux-x64-musl-0.3.250.tgz",
-      "integrity": "sha512-ZMjXn2r00SlS17ozg6RfK+OF7kPo3COrCUTPrKnXZk7AYZ+hE0xqunrkt66LwYNFc+KlvDTAZZHSiZVblTT7rA==",
+      "version": "0.3.270",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-x64-musl/-/claude-agent-sdk-linux-x64-musl-0.3.270.tgz",
+      "integrity": "sha512-mzH3lnbzrbDGrTf75jLEmkbvkKRLLgmjLaWvf3QuUsgcw+aU69aOY0mW33oOrsuq5zg330uI3B4e68f4LbxNIA==",
       "cpu": [
         "x64"
       ],
@@ -143,9 +146,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-win32-arm64": {
-      "version": "0.3.250",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-win32-arm64/-/claude-agent-sdk-win32-arm64-0.3.250.tgz",
-      "integrity": "sha512-PC3pzcV8/bT9+PAM9k4fGMU64YY0F9NV6f/G4vbLMqz4qZAWqQp9AXMea+F5KULeJG2ygaAhmhcDyOzW77HhEw==",
+      "version": "0.3.270",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-win32-arm64/-/claude-agent-sdk-win32-arm64-0.3.270.tgz",
+      "integrity": "sha512-Pexeu26cLZByhs6VlrawNYAEu+QE2YptvwNkXsmpLRm7Q/C/M0N/BZBmuUcikXrQQ9cuVzSjuuTTpZt64mvtLA==",
       "cpu": [
         "arm64"
       ],
@@ -157,9 +160,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-win32-x64": {
-      "version": "0.3.250",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-win32-x64/-/claude-agent-sdk-win32-x64-0.3.250.tgz",
-      "integrity": "sha512-PjJRbJwDHccSUWls5gTiuXMgERit1WrrMQzzRqhhBHGzrlQueHVodrpg7HaN5gtirADJzfINcc7azq8j3qcEYw==",
+      "version": "0.3.270",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-win32-x64/-/claude-agent-sdk-win32-x64-0.3.270.tgz",
+      "integrity": "sha512-9UyfFcUYsyUZqSe/xX9nIJ1Og6i8FxhlQ35BDi79Ik5He87XFxEIGUvJuMcl7Mq2e3panyhekELFE+9H79xKdw==",
       "cpu": [
         "x64"
       ],
diff --git a/scripts/drift-baseline.properties b/scripts/drift-baseline.properties
index abc53e17..7095d9db 100644
--- a/scripts/drift-baseline.properties
+++ b/scripts/drift-baseline.properties
@@ -5,5 +5,5 @@
 # These are the last *reconciled* versions: the detector updates the live tools to latest (npm update +
 # claude --update), then reports any protocol surface the plugin doesn't model yet. After reconciling a
 # report (and `npm update` having bumped the vendored SDK), bump these to match.
-sdk=0.3.250
-binary=2.1.250
+sdk=0.3.270
+binary=2.1.270
diff --git a/src/test/kotlin/dev/lain/claudejb/drift/ProtocolSurface.kt b/src/test/kotlin/dev/lain/claudejb/drift/ProtocolSurface.kt
index 003cc09c..fd534f8f 100644
--- a/src/test/kotlin/dev/lain/claudejb/drift/ProtocolSurface.kt
+++ b/src/test/kotlin/dev/lain/claudejb/drift/ProtocolSurface.kt
@@ -72,6 +72,7 @@ data class ProtocolSurface(
             "get_usage", "register_repo_root", "reload_skills",
             "list_models", "get_plan", "get_workspace_diff",
             "generate_session_title", "side_question",
+            "get_hooks_listing", "list_permission_rules", "reload_output_styles", "update_settings",
         )
     }
 }