tabnine-nvim-fixes.patch

diff --git a/lua/tabnine/chat/init.lua b/lua/tabnine/chat/init.lua
index e42d65c..d25eb75 100644
--- a/lua/tabnine/chat/init.lua
+++ b/lua/tabnine/chat/init.lua
@@ -66,37 +66,86 @@ local function write_chat_settings(settings)
 	fn.writefile({ vim.json.encode(settings) }, CHAT_SETTINGS_FILE)
 end
 
+local DEBUG_CHAT = true
+local function debug_log(msg)
+	if DEBUG_CHAT then
+		vim.schedule(function()
+			vim.notify("[TabnineChat] " .. msg, vim.log.levels.INFO)
+		end)
+	end
+end
+
 local function register_events(on_init)
 	chat_binary:register_event("get_capabilities", function(_, answer)
+		debug_log("Event: get_capabilities - requesting Features...")
+		local answered = false
+		
+		vim.defer_fn(function()
+			if not answered then
+				debug_log("Event: get_capabilities - TIMEOUT, sending default")
+				answered = true
+				answer({ enabledFeatures = { "chat_inline_completions" } })
+			end
+		end, 5000)
+		
 		tabnine_binary:request({
 			Features = { dummy = true },
 		}, function(response)
+			if answered then return end
+			answered = true
+			debug_log("Event: get_capabilities - got response, answering")
 			answer({
-				enabledFeatures = vim.tbl_extend("force", response.enabled_features, { "chat_inline_completions" }),
+				enabledFeatures = vim.tbl_extend("force", response.enabled_features or {}, { "chat_inline_completions" }),
 			})
 		end)
 	end)
 
 	chat_binary:register_event("workspace_folders", function(_, answer)
+		debug_log("Event: workspace_folders")
 		answer({
 			rootPaths = { fn.getcwd() },
 		})
 	end)
 
 	chat_binary:register_event("get_server_url", function(request, answer)
+		debug_log("Event: get_server_url (kind=" .. tostring(request.kind) .. ") - requesting ChatCommunicatorAddress...")
+		local answered = false
+		
+		vim.defer_fn(function()
+			if not answered then
+				debug_log("Event: get_server_url - TIMEOUT, using node server directly")
+				answered = true
+				local port = node_server:get_port()
+				if port then
+					local path = request.kind == "forward" and "/forward" or ""
+					answer({ serverUrl = "http://127.0.0.1:" .. port .. path })
+				else
+					answer({ serverUrl = "" })
+				end
+			end
+		end, 5000)
+		
 		-- Call ChatCommunicatorAddress to trigger the Rust listener
 		tabnine_binary:request({
 			ChatCommunicatorAddress = { kind = request.kind },
 		}, function(response)
+			if answered then return end
+			debug_log("Event: get_server_url - got ChatCommunicatorAddress response, ensuring node server...")
 			-- Ensure node-server is running
 			node_server:ensure_running(function()
+				if answered then return end
 				local port = node_server:get_port()
+				debug_log("Event: get_server_url - node server port=" .. tostring(port))
 				if port then
 					local path = request.kind == "forward" and "/forward" or ""
+					debug_log("Event: get_server_url - answering with http://127.0.0.1:" .. port .. path)
+					answered = true
 					answer({
 						serverUrl = "http://127.0.0.1:" .. port .. path,
 					})
 				else
+					debug_log("Event: get_server_url - no port, using fallback: " .. tostring(response.address))
+					answered = true
 					-- Fallback to response address if node-server not available
 					answer({
 						serverUrl = response.address,
@@ -107,6 +156,7 @@ local function register_events(on_init)
 	end)
 
 	chat_binary:register_event("init", function(_, answer)
+		debug_log("Event: init")
 		local init = {
 			ide = "nvim",
 			isDarkTheme = vim.o.background == "dark",
@@ -152,7 +202,36 @@ local function register_events(on_init)
 	end)
 
 	chat_binary:register_event("get_user", function(_, answer)
+		debug_log("Event: get_user - requesting State...")
+		local answered = false
+		local timeout_ms = 5000
+		
+		-- Set a timeout to prevent hanging forever
+		vim.defer_fn(function()
+			if not answered then
+				debug_log("Event: get_user - TIMEOUT after " .. timeout_ms .. "ms, sending empty response")
+				answered = true
+				answer({
+					token = nil,
+					username = nil,
+					avatarUrl = nil,
+					serviceLevel = "Pro",
+					email = nil,
+					emailVerified = false,
+					subscriptions = {},
+					team = nil,
+					allowedTeams = {},
+				})
+			end
+		end, timeout_ms)
+		
 		tabnine_binary:request({ State = { dummy = true } }, function(state)
+			if answered then
+				debug_log("Event: get_user - got state but already timed out")
+				return
+			end
+			answered = true
+			debug_log("Event: get_user - got state, service_level=" .. tostring(state.service_level))
 			answer({
 				token = state.access_token,
 				username = state.user_name,
diff --git a/lua/tabnine/node_server.lua b/lua/tabnine/node_server.lua
index b564f10..8da9374 100644
--- a/lua/tabnine/node_server.lua
+++ b/lua/tabnine/node_server.lua
@@ -79,10 +79,25 @@ local function cloud_host()
 	return "https://update.tabnine.com"
 end
 
+local function try_system_node()
+	-- Check for system Node.js as fallback
+	local system_node = fn.exepath("node")
+	if system_node and system_node ~= "" then
+		return system_node
+	end
+	return nil
+end
+
 local function ensure_node_runtime(callback)
 	local path = installer_path()
 	if not path or fn.executable(path) ~= 1 then
-		callback(nil, "Node installer not found")
+		-- Try system Node.js as fallback
+		local sys_node = try_system_node()
+		if sys_node then
+			callback(sys_node, nil)
+			return
+		end
+		callback(nil, "Node installer not found and no system Node.js available")
 		return
 	end
 
@@ -101,12 +116,24 @@ local function ensure_node_runtime(callback)
 		handle:close()
 
 		if code ~= 0 then
+			-- Installer failed, try system Node.js as fallback
+			local sys_node = try_system_node()
+			if sys_node then
+				callback(sys_node, nil)
+				return
+			end
 			callback(nil, "Node installer failed: " .. stderr_data)
 			return
 		end
 
 		local runtime_dir = stdout_data:gsub("%s+$", "")
 		if runtime_dir == "" then
+			-- Empty result, try system Node.js as fallback
+			local sys_node = try_system_node()
+			if sys_node then
+				callback(sys_node, nil)
+				return
+			end
 			callback(nil, "Node installer returned empty path")
 			return
 		end