diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 30fb3095..d5be006f 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -11,6 +11,13 @@ updates:
       interval: "daily"
     allow:
       - dependency-type: "all"
+    ignore:
+      # Pinned to match the peer range of @anthropic-ai/claude-agent-sdk;
+      # newer minors break type compatibility between the two installed copies.
+      - dependency-name: "@anthropic-ai/sdk"
+        update-types:
+          - "version-update:semver-minor"
+          - "version-update:semver-major"
     groups:
       minor:
         update-types:
diff --git a/package-lock.json b/package-lock.json
index 7e4484d6..79e0731e 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -10,7 +10,7 @@
       "license": "Apache-2.0",
       "dependencies": {
         "@agentclientprotocol/sdk": "0.21.0",
-        "@anthropic-ai/claude-agent-sdk": "0.2.121",
+        "@anthropic-ai/claude-agent-sdk": "0.2.123",
         "zod": "^3.25.0 || ^4.0.0"
       },
       "bin": {
@@ -41,9 +41,9 @@
       }
     },
     "node_modules/@anthropic-ai/claude-agent-sdk": {
-      "version": "0.2.121",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk/-/claude-agent-sdk-0.2.121.tgz",
-      "integrity": "sha512-hwZNYTkGLKVixd/V/OCJwfH/SdfxZXGV0m6wvy5EBq6qfB+lvJTRz/MSOSa7dHqo4/F7zJY68crEEca68Wrxpw==",
+      "version": "0.2.123",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk/-/claude-agent-sdk-0.2.123.tgz",
+      "integrity": "sha512-a4TysYoR9DBdkM9Uwh4J5ub7TwKmRPe5hFiWh4En+IKC+qkk5UFkxFM22c//cZjYZKynHX0ah2t6LUqb+najYA==",
       "license": "SEE LICENSE IN README.md",
       "dependencies": {
         "@anthropic-ai/sdk": "^0.81.0",
@@ -53,23 +53,23 @@
         "node": ">=18.0.0"
       },
       "optionalDependencies": {
-        "@anthropic-ai/claude-agent-sdk-darwin-arm64": "0.2.121",
-        "@anthropic-ai/claude-agent-sdk-darwin-x64": "0.2.121",
-        "@anthropic-ai/claude-agent-sdk-linux-arm64": "0.2.121",
-        "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": "0.2.121",
-        "@anthropic-ai/claude-agent-sdk-linux-x64": "0.2.121",
-        "@anthropic-ai/claude-agent-sdk-linux-x64-musl": "0.2.121",
-        "@anthropic-ai/claude-agent-sdk-win32-arm64": "0.2.121",
-        "@anthropic-ai/claude-agent-sdk-win32-x64": "0.2.121"
+        "@anthropic-ai/claude-agent-sdk-darwin-arm64": "0.2.123",
+        "@anthropic-ai/claude-agent-sdk-darwin-x64": "0.2.123",
+        "@anthropic-ai/claude-agent-sdk-linux-arm64": "0.2.123",
+        "@anthropic-ai/claude-agent-sdk-linux-arm64-musl": "0.2.123",
+        "@anthropic-ai/claude-agent-sdk-linux-x64": "0.2.123",
+        "@anthropic-ai/claude-agent-sdk-linux-x64-musl": "0.2.123",
+        "@anthropic-ai/claude-agent-sdk-win32-arm64": "0.2.123",
+        "@anthropic-ai/claude-agent-sdk-win32-x64": "0.2.123"
       },
       "peerDependencies": {
         "zod": "^4.0.0"
       }
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-darwin-arm64": {
-      "version": "0.2.121",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-darwin-arm64/-/claude-agent-sdk-darwin-arm64-0.2.121.tgz",
-      "integrity": "sha512-zVHcXvx6Hl/glDcOCH+EyNx4KPE9cMGLk42eEBSZe014tAN5W8bwM/By08iM6dxijnpH0NQRNNEAW+BryWzuDg==",
+      "version": "0.2.123",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-darwin-arm64/-/claude-agent-sdk-darwin-arm64-0.2.123.tgz",
+      "integrity": "sha512-tYAXCjlXZQklsUs0J//gip3fZQRzhlH5OCgvNXV70qe7A1iiwHqO2KPGvEHV1L+deEKQoMZmTaCOrQpN6zju3w==",
       "cpu": [
         "arm64"
       ],
@@ -80,9 +80,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-darwin-x64": {
-      "version": "0.2.121",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-darwin-x64/-/claude-agent-sdk-darwin-x64-0.2.121.tgz",
-      "integrity": "sha512-lIXdqKj+bpfDxCk/eU1F1TXNqsIsLTRrkUG/wx19WIGZ8gLUmmVSveUKGlNegTs7S6evMvuezprJzDJT4TcvPA==",
+      "version": "0.2.123",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-darwin-x64/-/claude-agent-sdk-darwin-x64-0.2.123.tgz",
+      "integrity": "sha512-AcUC6sTon6z6HculP87KsAOeTMRLBwpovdhcXUTjXUpo/8nplJ7lBEzWjZCHt8FF1KuN/WBy1Z4bDg/59TQDmA==",
       "cpu": [
         "x64"
       ],
@@ -93,9 +93,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-linux-arm64": {
-      "version": "0.2.121",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-arm64/-/claude-agent-sdk-linux-arm64-0.2.121.tgz",
-      "integrity": "sha512-AQSnJzaiFvQpUPfO1tWLvsHgb6KNar4QYEQ/5/sk1itfgr3Fx9gxTreq43wX7AXSvkBX1QlDaP1aR1sfM/g/lQ==",
+      "version": "0.2.123",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-arm64/-/claude-agent-sdk-linux-arm64-0.2.123.tgz",
+      "integrity": "sha512-7+GnbcF3/aZ8RJ1WmU/ogtPsOpknBAoUPer90MvZuFYBLPT9iI/U7f24gjrOHuYdcbDA5n7jFlhcfIO26F5DJQ==",
       "cpu": [
         "arm64"
       ],
@@ -106,9 +106,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-linux-arm64-musl": {
-      "version": "0.2.121",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-arm64-musl/-/claude-agent-sdk-linux-arm64-musl-0.2.121.tgz",
-      "integrity": "sha512-4XaGK+dRBYy7krln7BrDG0WsdE6ejUSgHjWHlUGXoubFfZUvls4GSahLcYjJBArLi4dLnxKw8zEuiQguPAIbrw==",
+      "version": "0.2.123",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-arm64-musl/-/claude-agent-sdk-linux-arm64-musl-0.2.123.tgz",
+      "integrity": "sha512-bYgRiaf2q+yVbGAoUluuhqrEW1zexL34+3HDmK9DneKXa2K2EJpw4M6Sq4XoBD/JezGaemoAP78Xv/M/QUS1OQ==",
       "cpu": [
         "arm64"
       ],
@@ -119,9 +119,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-linux-x64": {
-      "version": "0.2.121",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-x64/-/claude-agent-sdk-linux-x64-0.2.121.tgz",
-      "integrity": "sha512-DJUgpm7au086WaQV/S7BGOt2M8D90spGZRizT3twYsacf1BxzK1qsXqB/Pw1lUjPy6pI107pml/TaPzWuS/Vzg==",
+      "version": "0.2.123",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-x64/-/claude-agent-sdk-linux-x64-0.2.123.tgz",
+      "integrity": "sha512-Xi+Rwk8uP5vWEnawJOlsk179fr0ATLl5J90MlbLj+puKaX5svEq8ljS+P3zq6zHTJeKh9GKLzPf7bc5YJKwcew==",
       "cpu": [
         "x64"
       ],
@@ -132,9 +132,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-linux-x64-musl": {
-      "version": "0.2.121",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-x64-musl/-/claude-agent-sdk-linux-x64-musl-0.2.121.tgz",
-      "integrity": "sha512-sQoGIgzLlBRrwizxsCV/lbaEuxXom/cfOwlDtQ2HnS1IzDDSjSf5d5pugpWItkOyXBWcHzMUu731WTTutvd/BQ==",
+      "version": "0.2.123",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-linux-x64-musl/-/claude-agent-sdk-linux-x64-musl-0.2.123.tgz",
+      "integrity": "sha512-IX95lFKhmmndY/YPfWPsVV+C3rLYJmuuq5wCS53p6jYIkCMxH1iGfhBGF1EUWcXO4Uc8yqXFmQ3aaxMzOOPrwA==",
       "cpu": [
         "x64"
       ],
@@ -145,9 +145,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-win32-arm64": {
-      "version": "0.2.121",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-win32-arm64/-/claude-agent-sdk-win32-arm64-0.2.121.tgz",
-      "integrity": "sha512-6n/NHkHxs0/lCJX3XPADjo1EFzXBf0IwYz/nyzJGBCDJjGKmgTe0i8eYBr/hviwt1/OPeK7dmVzVSVl6EL9Azg==",
+      "version": "0.2.123",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-win32-arm64/-/claude-agent-sdk-win32-arm64-0.2.123.tgz",
+      "integrity": "sha512-WDZmAQG1rOiqNLZlSXaCjSWmqJvLk2io+vFQWWqSy2b5HCk9pa3PadLiaLztiihyk81wPhH9Q/44kOxdyfEGMw==",
       "cpu": [
         "arm64"
       ],
@@ -158,9 +158,9 @@
       ]
     },
     "node_modules/@anthropic-ai/claude-agent-sdk-win32-x64": {
-      "version": "0.2.121",
-      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-win32-x64/-/claude-agent-sdk-win32-x64-0.2.121.tgz",
-      "integrity": "sha512-v2/R918/t94cCwc6rmbxk+UYeQPtF2oBLtQAk+cT0M60hvqmCZO2noyZx5uTp8TQncOlG4MkINIeNY2yfmWSoQ==",
+      "version": "0.2.123",
+      "resolved": "https://registry.npmjs.org/@anthropic-ai/claude-agent-sdk-win32-x64/-/claude-agent-sdk-win32-x64-0.2.123.tgz",
+      "integrity": "sha512-588xrd1i6d4kXQ6FqwL+cgBiN4evRQSi5DCtPa02CZ3VEbuVQBeFlyPlD8tfWtNNeGZ4NM8kjPNNzZz5omezPA==",
       "cpu": [
         "x64"
       ],
@@ -3451,9 +3451,9 @@
       "license": "MIT"
     },
     "node_modules/tinyexec": {
-      "version": "1.1.1",
-      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.1.1.tgz",
-      "integrity": "sha512-VKS/ZaQhhkKFMANmAOhhXVoIfBXblQxGX1myCQ2faQrfmobMftXeJPcZGp0gS07ocvGJWDLZGyOZDadDBqYIJg==",
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/tinyexec/-/tinyexec-1.1.2.tgz",
+      "integrity": "sha512-dAqSqE/RabpBKI8+h26GfLq6Vb3JVXs30XYQjdMjaj/c2tS8IYYMbIzP599KtRj7c57/wYApb3QjgRgXmrCukA==",
       "dev": true,
       "license": "MIT",
       "engines": {
diff --git a/package.json b/package.json
index 6a417e20..73869787 100644
--- a/package.json
+++ b/package.json
@@ -61,7 +61,7 @@
   "license": "Apache-2.0",
   "dependencies": {
     "@agentclientprotocol/sdk": "0.21.0",
-    "@anthropic-ai/claude-agent-sdk": "0.2.121",
+    "@anthropic-ai/claude-agent-sdk": "0.2.123",
     "zod": "^3.25.0 || ^4.0.0"
   },
   "devDependencies": {