feat(nvim): add helper to access system clipboard from container/remote host

nvim/.config/nvim/lua/config/options.lua

@@ -23,3 +23,31 @@ vim.g.snacks_animate = false
 -- display all thing that are usually concealed (such as backticks in Markdown files)
 vim.opt.conceallevel = 0
 
+-- OSC52 clipboard integration for remote/container environments.
+-- Set NVIM_CLIPBOARD=osc52 (e.g. in your Dockerfile, docker-compose, or .bashrc)
+-- to enable clipboard bridging over SSH and inside containers via terminal escape
+-- sequences. Requires Neovim 0.10+ and a terminal that supports OSC52
+-- (iTerm2, WezTerm, Alacritty, Kitty, Ghostty, Windows Terminal, etc.)
+if vim.fn.has("nvim-0.10") == 1 and vim.env.NVIM_CLIPBOARD == "osc52" then
+    local function paste()
+        return {
+            vim.split(vim.fn.getreg(""), "\n"),
+            vim.fn.getregtype(""),
+        }
+    end
+
+    vim.g.clipboard = {
+        name = "OSC 52",
+        copy = {
+            ["+"] = require("vim.ui.clipboard.osc52").copy("+"),
+            ["*"] = require("vim.ui.clipboard.osc52").copy("*"),
+        },
+        paste = {
+            ["+"] = paste,
+            ["*"] = paste,
+        },
+    }
+end
+
+-- Use the system clipboard for all yank/delete/change operations
+vim.opt.clipboard = "unnamedplus"