feat!: align metadata models with draft schema (#993)

Author: DaleSeo

conformance/src/bin/server.rs

@@ -103,7 +103,7 @@ impl ConformanceServer {
     async fn call_mrtr_tool(
         &self,
         request: CallToolRequestParams,
-        meta: &Meta,
+        meta: &RequestMetaObject,
     ) -> Result<CallToolResponse, ErrorData> {
         let responses = request.input_responses.as_ref();
         match request.name.as_ref() {

crates/rmcp/src/handler/server/common.rs

@@ -209,13 +209,13 @@ where
     }
 }
 
-impl<C> FromContextPart<C> for crate::model::Meta
+impl<C> FromContextPart<C> for crate::model::RequestMetaObject
 where
     C: AsRequestContext,
 {
     fn from_context_part(context: &mut C) -> Result<Self, crate::ErrorData> {
         let request_context = context.as_request_context_mut();
-        let mut meta = crate::model::Meta::default();
+        let mut meta = crate::model::RequestMetaObject::default();
         std::mem::swap(&mut meta, &mut request_context.meta);
         Ok(meta)
     }

crates/rmcp/src/handler/server/router/tool/tool_traits.rs

@@ -9,7 +9,7 @@ use crate::{
         tool::schema_for_output,
         wrapper::{Json, Parameters},
     },
-    model::{Icon, JsonObject, Meta, ToolAnnotations, ToolExecution},
+    model::{Icon, JsonObject, MetaObject, ToolAnnotations, ToolExecution},
     schemars::JsonSchema,
     service::{MaybeSend, MaybeSendFuture},
 };
@@ -77,7 +77,7 @@ pub trait ToolBase {
     fn icons() -> Option<Vec<Icon>> {
         None
     }
-    fn meta() -> Option<Meta> {
+    fn meta() -> Option<MetaObject> {
         None
     }
 }