let ctrl+c copy work over ssh

lua/options.lua

@@ -7,3 +7,25 @@ require "nvchad.options"
 
 vim.g.lua_snippets_path = { vim.fn.stdpath "config" .. "/snippets" }
 
+-- route "+/* registers through the terminal with OSC 52 when connected over SSH,
+-- since xclip/wl-copy on the server can't reach the local clipboard.
+-- paste must be present or the whole provider is rejected, but never query the
+-- terminal: it generally refuses OSC 52 reads, and clipboard=unnamedplus makes
+-- every put read "+", which would block on the query timeout. returning 0 makes
+-- puts fall back to the internal register instantly.
+if vim.env.SSH_TTY or vim.env.SSH_CONNECTION then
+  -- nvchad sets clipboard=unnamedplus, which syncs every yank/delete to "+;
+  -- over SSH only the explicit "+y from Ctrl+C should hit the terminal
+  vim.o.clipboard = ""
+
+  local osc52 = require "vim.ui.clipboard.osc52"
+  local function no_paste()
+    return 0
+  end
+  vim.g.clipboard = {
+    name = "osc52",
+    copy = { ["+"] = osc52.copy "+", ["*"] = osc52.copy "*" },
+    paste = { ["+"] = no_paste, ["*"] = no_paste },
+  }
+end
+