diff --git a/packages/opencode/test/server/httpapi-pty.test.ts b/packages/opencode/test/server/httpapi-pty.test.ts
index d1e4660f2..e28f38082 100644
--- a/packages/opencode/test/server/httpapi-pty.test.ts
+++ b/packages/opencode/test/server/httpapi-pty.test.ts
@@ -176,7 +176,6 @@ describe("pty HttpApi bridge", () => {
       message: `PTY session not found: ${missingID}`,
     })
   })
-
   ;(process.platform === "win32" ? effectIt.live.skip : effectIt.live)(
     "serves PTY websocket output and input through Effect routes",
     () =>
diff --git a/packages/sdk/js/src/v2/gen/types.gen.ts b/packages/sdk/js/src/v2/gen/types.gen.ts
index ecc7f3aed..3c3668d35 100644
--- a/packages/sdk/js/src/v2/gen/types.gen.ts
+++ b/packages/sdk/js/src/v2/gen/types.gen.ts
@@ -1700,15 +1700,15 @@ export type McpServerNotFoundError = {
   message: string
 }
 
-export type NotFoundError = {
-  name: "NotFoundError"
-  data: {
-    message: string
-  }
+export type PtyNotFoundError = {
+  _tag: "PtyNotFoundError"
+  ptyID: string
+  message: string
 }
 
-export type EffectHttpApiErrorForbidden = {
-  _tag: "Forbidden"
+export type PtyForbiddenError = {
+  _tag: "PtyForbiddenError"
+  message: string
 }
 
 export type QuestionNotFoundError = {
@@ -1777,6 +1777,13 @@ export type ProviderAuthError1 = {
   }
 }
 
+export type NotFoundError = {
+  name: "NotFoundError"
+  data: {
+    message: string
+  }
+}
+
 export type TextPartInput = {
   id?: string
   type: "text"
@@ -1950,6 +1957,10 @@ export type WorkspaceWarpError = {
   }
 }
 
+export type EffectHttpApiErrorForbidden = {
+  _tag: "Forbidden"
+}
+
 export type SyncEventMessageUpdated = {
   type: "sync"
   name: "message.updated.1"
@@ -5566,9 +5577,9 @@ export type PtyRemoveErrors = {
    */
   400: BadRequestError
   /**
-   * NotFoundError
+   * PtyNotFoundError
    */
-  404: NotFoundError
+  404: PtyNotFoundError
 }
 
 export type PtyRemoveError = PtyRemoveErrors[keyof PtyRemoveErrors]
@@ -5600,9 +5611,9 @@ export type PtyGetErrors = {
    */
   400: BadRequestError
   /**
-   * NotFoundError
+   * PtyNotFoundError
    */
-  404: NotFoundError
+  404: PtyNotFoundError
 }
 
 export type PtyGetError = PtyGetErrors[keyof PtyGetErrors]
@@ -5639,6 +5650,10 @@ export type PtyUpdateErrors = {
    * BadRequest | InvalidRequestError
    */
   400: EffectHttpApiErrorBadRequest | InvalidRequestError
+  /**
+   * PtyNotFoundError
+   */
+  404: PtyNotFoundError
 }
 
 export type PtyUpdateError = PtyUpdateErrors[keyof PtyUpdateErrors]
@@ -5670,13 +5685,13 @@ export type PtyConnectTokenErrors = {
    */
   400: BadRequestError
   /**
-   * Forbidden
+   * PtyForbiddenError
    */
-  403: EffectHttpApiErrorForbidden
+  403: PtyForbiddenError
   /**
-   * NotFoundError
+   * PtyNotFoundError
    */
-  404: NotFoundError
+  404: PtyNotFoundError
 }
 
 export type PtyConnectTokenError = PtyConnectTokenErrors[keyof PtyConnectTokenErrors]
diff --git a/packages/sdk/openapi.json b/packages/sdk/openapi.json
index d61a5caca..20650cbd1 100644
--- a/packages/sdk/openapi.json
+++ b/packages/sdk/openapi.json
@@ -3964,11 +3964,11 @@
             }
           },
           "404": {
-            "description": "NotFoundError",
+            "description": "PtyNotFoundError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/NotFoundError"
+                  "$ref": "#/components/schemas/PtyNotFoundError"
                 }
               }
             }
@@ -4040,6 +4040,16 @@
                 }
               }
             }
+          },
+          "404": {
+            "description": "PtyNotFoundError",
+            "content": {
+              "application/json": {
+                "schema": {
+                  "$ref": "#/components/schemas/PtyNotFoundError"
+                }
+              }
+            }
           }
         },
         "description": "Update properties of an existing pseudo-terminal (PTY) session.",
@@ -4134,11 +4144,11 @@
             }
           },
           "404": {
-            "description": "NotFoundError",
+            "description": "PtyNotFoundError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/NotFoundError"
+                  "$ref": "#/components/schemas/PtyNotFoundError"
                 }
               }
             }
@@ -4219,21 +4229,21 @@
             }
           },
           "403": {
-            "description": "Forbidden",
+            "description": "PtyForbiddenError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/effect_HttpApiError_Forbidden"
+                  "$ref": "#/components/schemas/PtyForbiddenError"
                 }
               }
             }
           },
           "404": {
-            "description": "NotFoundError",
+            "description": "PtyNotFoundError",
             "content": {
               "application/json": {
                 "schema": {
-                  "$ref": "#/components/schemas/NotFoundError"
+                  "$ref": "#/components/schemas/PtyNotFoundError"
                 }
               }
             }
@@ -15419,34 +15429,35 @@
         "required": ["_tag", "name", "message"],
         "additionalProperties": false
       },
-      "NotFoundError": {
-        "type": "object",
-        "required": ["name", "data"],
-        "properties": {
-          "name": {
-            "type": "string",
-            "enum": ["NotFoundError"]
-          },
-          "data": {
-            "type": "object",
-            "required": ["message"],
-            "properties": {
-              "message": {
-                "type": "string"
-              }
-            }
-          }
-        }
-      },
-      "effect_HttpApiError_Forbidden": {
+      "PtyNotFoundError": {
         "type": "object",
         "properties": {
           "_tag": {
             "type": "string",
-            "enum": ["Forbidden"]
+            "enum": ["PtyNotFoundError"]
+          },
+          "ptyID": {
+            "type": "string"
+          },
+          "message": {
+            "type": "string"
           }
         },
-        "required": ["_tag"],
+        "required": ["_tag", "ptyID", "message"],
+        "additionalProperties": false
+      },
+      "PtyForbiddenError": {
+        "type": "object",
+        "properties": {
+          "_tag": {
+            "type": "string",
+            "enum": ["PtyForbiddenError"]
+          },
+          "message": {
+            "type": "string"
+          }
+        },
+        "required": ["_tag", "message"],
         "additionalProperties": false
       },
       "QuestionNotFoundError": {
@@ -15646,6 +15657,25 @@
         "required": ["name", "data"],
         "additionalProperties": false
       },
+      "NotFoundError": {
+        "type": "object",
+        "required": ["name", "data"],
+        "properties": {
+          "name": {
+            "type": "string",
+            "enum": ["NotFoundError"]
+          },
+          "data": {
+            "type": "object",
+            "required": ["message"],
+            "properties": {
+              "message": {
+                "type": "string"
+              }
+            }
+          }
+        }
+      },
       "TextPartInput": {
         "type": "object",
         "properties": {
@@ -16168,6 +16198,17 @@
         "required": ["name", "data"],
         "additionalProperties": false
       },
+      "effect_HttpApiError_Forbidden": {
+        "type": "object",
+        "properties": {
+          "_tag": {
+            "type": "string",
+            "enum": ["Forbidden"]
+          }
+        },
+        "required": ["_tag"],
+        "additionalProperties": false
+      },
       "SyncEventMessageUpdated": {
         "type": "object",
         "properties": {