perf: fix memory leaks, optimize tracing logs, fix networking eof fragmentation bug in nvim-core and stub, and deduplicate json-rpc handlers

server/src/handlers/mod.rs

@@ -0,0 +1,7 @@
+pub mod env;
+pub mod graph;
+pub mod meta;
+pub mod notes;
+pub mod tasks;
+pub mod utils;
+pub mod workspaces;