feat!: update crates to default to the latest MCP schema version. (#35)

* refactor: introduce middleware , sessionId generation

* chore: dynamic route for messages

* chore add tests

* feat: accpt custom session id generator

* feat: implement shutdown signal to server
- improved sse architecture

Author: hashemix

Cargo.lock

@@ -21,7 +21,7 @@ rust-mcp-sdk = { path = "crates/rust-mcp-sdk", default-features = false }
 rust-mcp-macros = { version = "0.2.1", path = "crates/rust-mcp-macros" }
 
 # External crates
-rust-mcp-schema = { version = "0.4" }
+rust-mcp-schema = { version = "0.5" }
 futures = { version = "0.3" }
 tokio = { version = "1.4", features = ["full"] }
 serde = { version = "1.0", features = ["derive", "serde_derive"] }

Cargo.toml

@@ -28,3 +28,16 @@ workspace = true
 
 [lib]
 proc-macro = true
+
+
+[features]
+# defalt features
+default = ["2025_03_26"] # Default features
+
+# activates the latest MCP schema version, this will be updated once a new version of schema is published
+latest = ["2025_03_26"]
+
+# enabled mcp schema version 2025_03_26
+2025_03_26 = ["rust-mcp-schema/2025_03_26"]
+# enabled mcp schema version 2024_11_05
+2024_11_05 = ["rust-mcp-schema/2024_11_05"]

crates/rust-mcp-macros/Cargo.toml

@@ -19,6 +19,10 @@ The `mcp_tool` macro generates an implementation for the annotated struct that i
 #[mcp_tool(
    name = "write_file",
    description = "Create a new file or completely overwrite an existing file with new content."
+   destructive_hint = false
+   idempotent_hint = false
+   open_world_hint = false
+   read_only_hint = false
 )]
 #[derive(rust_mcp_macros::JsonSchema)]
 pub struct WriteFileTool {
@@ -60,3 +64,11 @@ fn main() {
 <img align="top" src="assets/rust-mcp-stack-icon.png" width="24" style="border-radius:0.2rem;"> Check out [rust-mcp-sdk](https://github.com/rust-mcp-stack/rust-mcp-sdk) , a high-performance, asynchronous toolkit for building MCP servers and clients. Focus on your app's logic while [rust-mcp-sdk](https://github.com/rust-mcp-stack/rust-mcp-sdk) takes care of the rest!
 
 ---
+
+
+**Note**: The following attributes are available only in version `2025_03_26` and later of the MCP Schema, and their values will be used in the [annotations](https://github.com/rust-mcp-stack/rust-mcp-schema/blob/main/src/generated_schema/2025_03_26/mcp_schema.rs#L5557) attribute of the *[Tool struct](https://github.com/rust-mcp-stack/rust-mcp-schema/blob/main/src/generated_schema/2025_03_26/mcp_schema.rs#L5554-L5566).
+
+- `destructive_hint`
+- `idempotent_hint`
+- `open_world_hint`
+- `read_only_hint`