Fixed crash

lua/gemini/api.lua

@@ -23,9 +23,29 @@ local function async_request(url, payload, callback)
 		return
 	end
 
+	-- Resolve hostname to IP
+	vim.loop.getaddrinfo(host, "443", {
+		family = "inet",
+		socktype = "stream",
+		protocol = "tcp"
+	}, function(err, res)
+		if err then
+			vim.schedule(function()
+				callback(nil, "DNS resolution error: " .. err)
+			end)
+			return
+		end
+
+		if not res or #res == 0 then
+			vim.schedule(function()
+				callback(nil, "Could not resolve hostname")
+			end)
+			return
+		end
+
 		local client = vim.loop.new_tcp()
 		
-	client:connect(host, 443, function(err)
+		client:connect(res[1].addr, res[1].port, function(err)
 			if err then 
 				vim.schedule(function()
 					callback(nil, "Connection error: " .. err)
@@ -85,6 +105,7 @@ local function async_request(url, payload, callback)
 				end)
 			end)
 		end)
+	end)
 end
 
 function M.get_response(prompt, context, callback)