nvim: Add smartpaste to LLM prompts

Will paste and try to integrate _anything_ into the curent buffer. Wrong
programming language, no formatting, pseudo code, natural language instructions, anything.

nvim/.config/nvim/lua/plugins/llm.lua

@@ -142,6 +142,78 @@ return {
 					},
 				},
 			},
+			prompt_library = {
+
+				["Smart Paste"] = {
+					strategy = "inline",
+					description = "Paste code smartly",
+					opts = { short_name = "paste" },
+					prompts = {
+						{
+							role = "user",
+							content = [[
+You are a smart code paste agent within Neovim.
+
+## **Task:** Intelligently integrate content from the user's clipboard into the current buffer.
+
+## **Instructions:**
+
+-   You may receive code in various programming languages or even natural language instructions.
+-   If the clipboard content is in a different language than the current buffer, translate it to the appropriate language smartly.
+-   If the clipboard content contains pseudo code generate code accordingly.
+-   If the clipboard content contains natural language instructions, interpret and follow them to modify the code in the current buffer.
+-   **ONLY** generate the **new** lines of code required for seamless integration.
+-   Ensure the inserted code is syntactically correct and logically consistent with the existing code.
+-   Do **NOT** include surrounding code or line numbers.
+-   Make sure all brackets and quotes are closed properly.
+
+## **Output:**
+
+-   Provide only the necessary lines of code for insertion.
+-   If you can't generate code just return nothing.
+-   Ensure the response is proper and well-formatted.
+ ]],
+						},
+						{
+							role = "user",
+							content = function(context)
+								local lines = require("codecompanion.helpers.actions").get_code(
+									1,
+									context.line_count,
+									{ show_line_numbers = true }
+								)
+								local selection_info = ""
+								local clipboard = vim.fn.getreg("+")
+
+								if context.is_visual then
+									selection_info = string.format(
+										"Currently selected lines: %d-%d",
+										context.start_line,
+										context.end_line
+									)
+								else
+									selection_info = string.format(
+										"Current cursor line: %d and Current cursor column is %d",
+										context.cursor_pos[1],
+										context.cursor_pos[2]
+									)
+								end
+
+								return string.format(
+									"I have the following code:\n\n```%s\n%s\n```\n\nClipboard content:\n\n```\n%s\n```\n\n%s",
+									context.filetype,
+									lines,
+									clipboard,
+									selection_info
+								)
+							end,
+							opts = {
+								contains_code = true,
+							},
+						},
+					},
+				},
+			},
 		},
 		keys = {
 			{ "<leader>aa", "<cmd>CodeCompanionActions<cr>", desc = "Actions", silent = true, mode = { "n", "v" } },