feat: follow protocol 0.6.2

Signed-off-by: Chojan Shang <chojan.shang@vesoft.com>

Author: Chojan Shang

schema/VERSION

@@ -1 +1 @@
-refs/tags/v0.5.0
+refs/tags/v0.6.2

schema/schema.json

@@ -1071,6 +1071,31 @@
       ],
       "type": "object"
     },
+    "Implementation": {
+      "description": "Describes the name and version of an MCP implementation, with an optional\ntitle for UI representation.",
+      "properties": {
+        "name": {
+          "description": "Intended for programmatic or logical use, but can be used as a display\nname fallback if title isn\u2019t present.",
+          "type": "string"
+        },
+        "title": {
+          "description": "Intended for UI and end-user contexts \u2014 optimized to be human-readable\nand easily understood.\n\nIf not provided, the name should be used for display.",
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "version": {
+          "description": "Version of the implementation. Can be displayed to the user or used\nfor debugging or metrics purposes.",
+          "type": "string"
+        }
+      },
+      "required": [
+        "name",
+        "version"
+      ],
+      "type": "object"
+    },
     "InitializeRequest": {
       "description": "Request parameters for the initialize method.\n\nSent by the client to establish connection and negotiate capabilities.\n\nSee protocol docs: [Initialization](https://agentclientprotocol.com/protocol/initialization)",
       "properties": {
@@ -1088,6 +1113,17 @@
           },
           "description": "Capabilities supported by the client."
         },
+        "clientInfo": {
+          "anyOf": [
+            {
+              "$ref": "#/$defs/Implementation"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "description": "Information about the Client name and version sent to the Agent.\n\nNote: in future versions of the protocol, this will be required."
+        },
         "protocolVersion": {
           "$ref": "#/$defs/ProtocolVersion",
           "description": "The latest protocol version supported by the client."
@@ -1122,6 +1158,17 @@
           },
           "description": "Capabilities supported by the agent."
         },
+        "agentInfo": {
+          "anyOf": [
+            {
+              "$ref": "#/$defs/Implementation"
+            },
+            {
+              "type": "null"
+            }
+          ],
+          "description": "Information about the Agent name and version sent to the Client.\n\nNote: in future versions of the protocol, this will be required."
+        },
         "authMethods": {
           "default": [],
           "description": "Authentication methods supported by the agent.",
@@ -2304,7 +2351,7 @@
     "SetSessionModeResponse": {
       "description": "Response to `session/set_mode` method.",
       "properties": {
-        "meta": true
+        "_meta": true
       },
       "type": "object",
       "x-method": "session/set_mode",

src/acp/meta.py

@@ -1,5 +1,5 @@
 # Generated from schema/meta.json. Do not edit by hand.
-# Schema ref: refs/tags/v0.5.0
+# Schema ref: refs/tags/v0.6.2
 AGENT_METHODS = {'authenticate': 'authenticate', 'initialize': 'initialize', 'session_cancel': 'session/cancel', 'session_load': 'session/load', 'session_new': 'session/new', 'session_prompt': 'session/prompt', 'session_set_mode': 'session/set_mode', 'session_set_model': 'session/set_model'}
 CLIENT_METHODS = {'fs_read_text_file': 'fs/read_text_file', 'fs_write_text_file': 'fs/write_text_file', 'session_request_permission': 'session/request_permission', 'session_update': 'session/update', 'terminal_create': 'terminal/create', 'terminal_kill': 'terminal/kill', 'terminal_output': 'terminal/output', 'terminal_release': 'terminal/release', 'terminal_wait_for_exit': 'terminal/wait_for_exit'}
 PROTOCOL_VERSION = 1

src/acp/schema.py

@@ -1,5 +1,5 @@
 # Generated from schema/schema.json. Do not edit by hand.
-# Schema ref: refs/tags/v0.5.0
+# Schema ref: refs/tags/v0.6.2
 
 from __future__ import annotations
 
@@ -151,6 +151,35 @@ class HttpHeader(BaseModel):
     value: Annotated[str, Field(description="The value to set for the HTTP header.")]
 
 
+class Implementation(BaseModel):
+    # Intended for programmatic or logical use, but can be used as a display
+    # name fallback if title isn’t present.
+    name: Annotated[
+        str,
+        Field(
+            description="Intended for programmatic or logical use, but can be used as a display\nname fallback if title isn’t present."
+        ),
+    ]
+    # Intended for UI and end-user contexts — optimized to be human-readable
+    # and easily understood.
+    #
+    # If not provided, the name should be used for display.
+    title: Annotated[
+        Optional[str],
+        Field(
+            description="Intended for UI and end-user contexts — optimized to be human-readable\nand easily understood.\n\nIf not provided, the name should be used for display."
+        ),
+    ] = None
+    # Version of the implementation. Can be displayed to the user or used
+    # for debugging or metrics purposes.
+    version: Annotated[
+        str,
+        Field(
+            description="Version of the implementation. Can be displayed to the user or used\nfor debugging or metrics purposes."
+        ),
+    ]
+
+
 class KillTerminalCommandResponse(BaseModel):
     # Extension point for implementations
     field_meta: Annotated[
@@ -349,7 +378,7 @@ class SetSessionModeRequest(BaseModel):
 
 
 class SetSessionModeResponse(BaseModel):
-    meta: Optional[Any] = None
+    field_meta: Annotated[Optional[Any], Field(alias="_meta")] = None
 
 
 class SetSessionModelRequest(BaseModel):
@@ -767,6 +796,15 @@ class InitializeRequest(BaseModel):
         Optional[ClientCapabilities],
         Field(description="Capabilities supported by the client."),
     ] = ClientCapabilities(fs=FileSystemCapability(readTextFile=False, writeTextFile=False), terminal=False)
+    # Information about the Client name and version sent to the Agent.
+    #
+    # Note: in future versions of the protocol, this will be required.
+    clientInfo: Annotated[
+        Optional[Implementation],
+        Field(
+            description="Information about the Client name and version sent to the Agent.\n\nNote: in future versions of the protocol, this will be required."
+        ),
+    ] = None
     # The latest protocol version supported by the client.
     protocolVersion: Annotated[
         int,
@@ -793,6 +831,15 @@ class InitializeResponse(BaseModel):
         mcpCapabilities=McpCapabilities(http=False, sse=False),
         promptCapabilities=PromptCapabilities(audio=False, embeddedContext=False, image=False),
     )
+    # Information about the Agent name and version sent to the Client.
+    #
+    # Note: in future versions of the protocol, this will be required.
+    agentInfo: Annotated[
+        Optional[Implementation],
+        Field(
+            description="Information about the Agent name and version sent to the Client.\n\nNote: in future versions of the protocol, this will be required."
+        ),
+    ] = None
     # Authentication methods supported by the agent.
     authMethods: Annotated[
         Optional[List[AuthMethod]],