Update to latest schema

schema/schema.json

@@ -648,9 +648,12 @@
     },
     "ContentBlock": {
       "description": "Content blocks represent displayable information in the Agent Client Protocol.\n\nThey provide a structured way to handle various types of user-facing content—whether\nit's text from language models, images for analysis, or embedded resources for context.\n\nContent blocks appear in:\n- User prompts sent via `session/prompt`\n- Language model output streamed through `session/update` notifications\n- Progress updates and results from tool calls\n\nThis structure is compatible with the Model Context Protocol (MCP), enabling\nagents to seamlessly forward content from MCP tool outputs without transformation.\n\nSee protocol docs: [Content](https://agentclientprotocol.com/protocol/content)",
+      "discriminator": {
+        "propertyName": "type"
+      },
       "oneOf": [
         {
-          "description": "Plain text content\n\nAll agents MUST support text content blocks in prompts.",
+          "description": "Text content. May be plain text or formatted with Markdown.\n\nAll agents MUST support text content blocks in prompts.\nClients SHOULD render this text as Markdown.",
           "properties": {
             "_meta": {
               "description": "Extension point for implementations"
@@ -1261,7 +1264,10 @@
           "type": "object"
         }
       ],
-      "description": "Configuration for connecting to an MCP (Model Context Protocol) server.\n\nMCP servers provide tools and context that the agent can use when\nprocessing prompts.\n\nSee protocol docs: [MCP Servers](https://agentclientprotocol.com/protocol/session-setup#mcp-servers)"
+      "description": "Configuration for connecting to an MCP (Model Context Protocol) server.\n\nMCP servers provide tools and context that the agent can use when\nprocessing prompts.\n\nSee protocol docs: [MCP Servers](https://agentclientprotocol.com/protocol/session-setup#mcp-servers)",
+      "discriminator": {
+        "propertyName": "type"
+      }
     },
     "ModelId": {
       "description": "**UNSTABLE**\n\nThis capability is not part of the spec yet, and may be removed or changed at any point.\n\nA unique identifier for a model.",
@@ -1613,6 +1619,9 @@
     },
     "RequestPermissionOutcome": {
       "description": "The outcome of a permission request.",
+      "discriminator": {
+        "propertyName": "outcome"
+      },
       "oneOf": [
         {
           "description": "The prompt turn was cancelled before the user responded.\n\nWhen a client sends a `session/cancel` notification to cancel an ongoing\nprompt turn, it MUST respond to all pending `session/request_permission`\nrequests with this `Cancelled` outcome.\n\nSee protocol docs: [Cancellation](https://agentclientprotocol.com/protocol/prompt-turn#cancellation)",
@@ -1837,6 +1846,9 @@
     },
     "SessionUpdate": {
       "description": "Different types of updates that can be sent during session processing.\n\nThese updates provide real-time feedback about the agent's progress.\n\nSee protocol docs: [Agent Reports Output](https://agentclientprotocol.com/protocol/prompt-turn#3-agent-reports-output)",
+      "discriminator": {
+        "propertyName": "sessionUpdate"
+      },
       "oneOf": [
         {
           "description": "A chunk of the user's message being streamed.",
@@ -2249,6 +2261,9 @@
     },
     "ToolCallContent": {
       "description": "Content produced by a tool call.\n\nTool calls can produce different types of content including\nstandard content blocks (text, images) or file diffs.\n\nSee protocol docs: [Content](https://agentclientprotocol.com/protocol/tool-calls#content)",
+      "discriminator": {
+        "propertyName": "type"
+      },
       "oneOf": [
         {
           "description": "Standard content block (text, images, resources).",

scripts/generate.js

@@ -5,7 +5,7 @@ import { generate } from "ts-to-zod";
 import * as fs from "fs/promises";
 import { dirname } from "path";
 
-const CURRENT_SCHEMA_RELEASE = "v0.6.2";
+const CURRENT_SCHEMA_RELEASE = "v0.6.3";
 
 await downloadSchemas(CURRENT_SCHEMA_RELEASE);