fix(getDiagnostics): remove Neovim context from description

Author: krmcbride

lua/claudecode/tools/get_diagnostics.lua

@@ -1,7 +1,11 @@
 --- Tool implementation for getting diagnostics.
 
+-- NOTE: Its important we don't tip off Claude that we're dealing with Neovim LSP diagnostics because it may adjust
+-- line and col numbers by 1 on its own (since it knows nvim LSP diagnostics are 0-indexed). By calling these
+-- "editor diagnostics" and converting to 1-indexed ourselves we (hopefully) avoid incorrect line and column numbers
+-- in Claude's responses.
 local schema = {
-  description = "Get Neovim LSP diagnostics (errors, warnings) from open buffers",
+  description = "Get language diagnostics (errors, warnings) from the editor",
   inputSchema = {
     type = "object",
     properties = {