refactor(mcp): strip sse fallback architecture in favor of pure websockets and fix nvim NDJSON bug

server/Cargo.toml

@@ -26,8 +26,15 @@ tokio-util = { version = "0.7.19", features = ["io"] }
 tracing = "0.1.44"
 tracing-subscriber = "0.3.23"
 uuid = { version = "1.26.0", features = ["v4"] }
-tokio-tungstenite = "0.21.0"
 tracing-appender = "0.2.5"
+rmcp = { version = "3.4.0", features = ["server"] }
 
 [build-dependencies]
 chrono = "0.4.45"
+
+[dev-dependencies]
+tempfile = "3.27.0"
+
+[[bin]]
+name = "test_rmcp"
+path = "src/bin_test.rs"