diff --git a/README.md b/README.md
index 64cfa5b..1a7c243 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,7 @@ Developers can run it via [Lua](https://lua.org), [LÖVR](https://lovr.org) or [
 $ cd xurfer
 $ love . <url_or_file> [..]       # if you have LÖVE2D installed (>v12)
 $ lovr . <url_or_file> [..]       # if you have LÖVR installed
-$ lua main.lua <url_or_file> [..] # if you have lua installed
+$ ./main.lua <url_or_file> [..]   # if you have lua installed
 ```
 
 **Example**: lovr xurfer <a href="https://snips.sh/f/_U5-XctEVE?r=1">https://snips.sh/f/_U5-XctEVE?r=1</a>
@@ -39,8 +39,9 @@ The aim of this project is providing **a [XR Hypermedia browser](https://xrhf.is
 
 ## very hackable extensions
 
-* XURFER does everything via browser extensions.<br>
-* XURFER is the total sum of browser extensions.<br>
+* XURFER does everything via browser extensions.
+* XURFER is the total sum of browser extensions.
+* XURFER can proxy missing api-calls to cli-cmds (like [wget/curl](xurfer/runtime/lua/main.lua) via the [unixy](xurfer/ext/unixy/main.lua) extension)
 
 So you can strip/bloat however you want, or build one yourself:
 
@@ -51,3 +52,9 @@ $ ./lovr xurfer
 [i] loading 'myextension'
 ...
 ```
+
+## Security
+
+Instead of the traditional sandbox-in-a-browser-model (Chromium/Firefox e.g.), we suggest running XURFER via [bubblewrap](https://github.com/meta-quest/bubblewrap)
+
+> TODO: suggest cli flags
diff --git a/xurfer/conf.lua b/xurfer/conf.lua
index 8b9459a..986f8f9 100644
--- a/xurfer/conf.lua
+++ b/xurfer/conf.lua
@@ -1,14 +1,16 @@
 -- sync lovr/love positional cli arguments
 if arg[0] == nil and arg[1] ~= nil then arg[0] = arg[1] end
 
-runtime = ""
+package.path = package.path .. ';' .. 
+               '?.lua;' .. 
+               '?/init.lua;' ..  
+               'lib/?.lua;'
 
-if lovr ~= nil then runtime = "lovr" end 
-if love ~= nil then runtime = "love" end 
+local runtime = require("runtime/detect")
 
 package.path = package.path .. ';' .. 
-               arg[0] .. '/' .. runtime .. '/?.lua;' .. 
-               arg[0] .. '/' .. runtime .. '/?/init.lua;' .. 
+               arg[0] .. '/' .. runtime.path .. '/?.lua;' .. 
+               arg[0] .. '/' .. runtime.path .. '/?/init.lua;' .. 
                arg[0] .. '/lib/?.lua'
 
-require( runtime .. "/conf")
+require( runtime.path .. "/conf")
diff --git a/xurfer/ecs.lua b/xurfer/ecs.lua
index eec69d1..b3a538c 100644
--- a/xurfer/ecs.lua
+++ b/xurfer/ecs.lua
@@ -1,6 +1,6 @@
 local ecs = require("tiny-ecs")
 
-ecs.init = function()
+ecs.init = function(api)
   print("[i] loading ecs")
   baseEntify = ecs.processingSystem()
   baseEntify.filter = ecs.rejectAll('commit') 
@@ -24,6 +24,7 @@ ecs.init = function()
 end
 
 ecs.clear = function()
+  trace("[ecs] ecs.clear() scene")
   api.ext.exec("onClear")
   api.ecs.clearEntities( api.world )
   api.world.commit()
diff --git a/xurfer/ext/3DFile/main.lua b/xurfer/ext/3DFile/main.lua
index 17db0b3..06bc3ad 100644
--- a/xurfer/ext/3DFile/main.lua
+++ b/xurfer/ext/3DFile/main.lua
@@ -28,7 +28,7 @@ return {
         api.ecs.add( api.world, obj )
         obj.commit('on3DFile') -- notify systems
       else
-        print("[3DFile] error: could not load " .. obj.URL.string )
+        print("[3DFile] error: could not load " .. obj.URL.string .. ": " .. obj.URLResponse.data )
       end
     end
   end
diff --git a/xurfer/ext/http-lovr/main.lua b/xurfer/ext/http-lovr/main.lua
index fae7389..8dbdfcd 100644
--- a/xurfer/ext/http-lovr/main.lua
+++ b/xurfer/ext/http-lovr/main.lua
@@ -43,8 +43,8 @@ http = {
           req.headers = headers
           channel:pop()      -- remove last
           channel:push(req)  -- re-push but with status (which thread ignores)
-          lovr.timer.sleep(.1)
         end
+        lovr.timer.sleep(.1)
       end
     ]]
     http.channel = lovr.thread.getChannel('http')
@@ -57,14 +57,19 @@ http = {
       
       local msg
       local res, present = http.channel:peek()
-      if present and res.status ~= nil then
-        msg = http.channel:pop()
-        -- we got our urlrequest response
-        if http.cache[ msg.url ] then 
-          http.cache[ msg.url ].cb( msg.status, msg.data, msg.headers )
-          http.cache[ msg.url ] = nil
-        else
-          error("msg-object was not found in cache")
+      if present then
+        if res.status == nil and res.data == "Could not connect to server" then 
+          res.status = 503 -- service unavailable
+        end
+        if res.status ~= nil then
+          msg = http.channel:pop()
+          -- we got our urlrequest response
+          if http.cache[ msg.url ] then 
+            http.cache[ msg.url ].cb( msg.status, msg.data, msg.headers )
+            http.cache[ msg.url ] = nil
+          else
+            error("msg-object was not found in cache")
+          end
         end
       end
 
diff --git a/xurfer/ext/kitchensink/main.lua b/xurfer/ext/kitchensink/main.lua
index 4d9be00..41d6a20 100644
--- a/xurfer/ext/kitchensink/main.lua
+++ b/xurfer/ext/kitchensink/main.lua
@@ -26,11 +26,11 @@ return {
 
     sample.load({
         gameSunsetImage = lovr.graphics.newTexture(
-            "lovr/sample/assets/game-sunset.png", {}
+            "runtime/lovr/sample/assets/game-sunset.png", {}
         ),
         nineSliceImage = {
             image = lovr.graphics.newTexture(
-                "lovr/sample/assets/ui-box-slice.png", { mipmaps = false }
+                "runtime/lovr/sample/assets/ui-box-slice.png", { mipmaps = false }
             ),
             l = 8,
             t = 8,
@@ -40,14 +40,14 @@ return {
         smileMSDFLayeredImage = {
             {
                 image = lovr.graphics.newTexture(
-                    "lovr/sample/assets/smile-bg.png",
+                    "runtime/lovr/sample/assets/smile-bg.png",
                     { linear = true, mipmaps = false }
                 ),
                 color = iui.newColor(0.944, 0.794, 0.468)
             },
             {
                 image = lovr.graphics.newTexture(
-                    "lovr/sample/assets/smile-fg.png",
+                    "runtime/lovr/sample/assets/smile-fg.png",
                     { linear = true, mipmaps = false }
                 ),
                 color = iui.newColor(0.157, 0.157, 0.157)
@@ -57,7 +57,7 @@ return {
             {
                 image = {
                     image = lovr.graphics.newTexture(
-                        "lovr/sample/assets/nine-slice-interior.png",
+                        "runtime/lovr/sample/assets/nine-slice-interior.png",
                         { linear = true, mipmaps = false }
                     ),
                     l = 16,
@@ -70,7 +70,7 @@ return {
             {
                 image = {
                     image = lovr.graphics.newTexture(
-                        "lovr/sample/assets/nine-slice-frame.png",
+                        "runtime/lovr/sample/assets/nine-slice-frame.png",
                         { linear = true, mipmaps = false }
                     ),
                     l = 16,
diff --git a/xurfer/ext/startupscene/main.lua b/xurfer/ext/startupscene/main.lua
index 97f44b8..b06baaf 100644
--- a/xurfer/ext/startupscene/main.lua
+++ b/xurfer/ext/startupscene/main.lua
@@ -16,7 +16,7 @@ return {
 
   load = function()
     --if api.iui.idiom == "vr" then
-      envTex = api.graphics.newTexture("lovr/assets/img/env.png", {})
+      envTex = api.graphics.newTexture("runtime/lovr/assets/img/env.png", {})
       api.world.skybox = api.graphics.newTexture({
         px = 'ext/startupscene/skybox/Dayright.jpg',  -- 'px.png',
         nx = 'ext/startupscene/skybox/Dayleft.jpg',   -- 'nx.png',
diff --git a/xurfer/ext/unixy/main.lua b/xurfer/ext/unixy/main.lua
index 11ab7e4..a523fb4 100644
--- a/xurfer/ext/unixy/main.lua
+++ b/xurfer/ext/unixy/main.lua
@@ -39,9 +39,15 @@ unixy = {
   init = function() 
   end,
 
-  proxyCLI = function( cmdfunc, callback )
-    return function(...)
-      return unixy.addjob( cmdfunc, callback, ...)
+  proxyCLI = function( cmd, cmdfunc, callback )
+    if api.util.cmdExist(cmd) then
+      print("[i] attaching ".. cmd .. " cli-cmd to api") 
+      return function(...)
+        return unixy.addjob( cmdfunc, callback, ...)
+      end
+    else
+      print("[!] could not attach ".. cmd .. " cli-cmd to api: not found") 
+      return function()end
     end
   end,
 
@@ -79,7 +85,6 @@ unixy = {
       callback = callback
     })
     trace("[unixy] start job with pid " .. pid .. " => 1> " .. stdout_file .. " 2> " .. stderr_file)
-    print_r(unixy.jobs)
   end,
 
   check_jobs = function()
@@ -98,7 +103,7 @@ unixy = {
         -- Clean up 
         os.remove(job.stdout_file)
         os.remove(job.stderr_file)
-        job.callback(stdout, stderr, retcode, unpack(job.args) )
+        job.callback(stdout, stderr, retcode, table.unpack(job.args) )
         table.remove(unixy.jobs, i)
       else
         io.write(".")
diff --git a/xurfer/ext/xrfragments/lovr-xrf.lua b/xurfer/ext/xrfragments/lovr-xrf.lua
index 3fae145..8c9ecac 100644
--- a/xurfer/ext/xrfragments/lovr-xrf.lua
+++ b/xurfer/ext/xrfragments/lovr-xrf.lua
@@ -113,6 +113,7 @@ end
 
 -- utility function to traverse recursive table
 xrf.traverse = function(arr, cb, key)
+  if arr == nil then return end
   if key == nil then key = 'children' end
   for k, child in pairs(arr) do 
     if type(child) == 'table' then 
diff --git a/xurfer/lib/xmlSimple.lua b/xurfer/lib/xmlSimple.lua
index fea233d..576ae72 100644
--- a/xurfer/lib/xmlSimple.lua
+++ b/xurfer/lib/xmlSimple.lua
@@ -1,5 +1,3 @@
-module(..., package.seeall)
-
 ---------------------------------------------------------------------------------
 ---------------------------------------------------------------------------------
 --
diff --git a/xurfer/main.lua b/xurfer/main.lua
old mode 100644
new mode 100755
index 7dac0f6..cd0c66d
--- a/xurfer/main.lua
+++ b/xurfer/main.lua
@@ -1,3 +1,4 @@
+#!/usr/bin/env lua
 -- -- GLB URLS
 -- ./lovr xurfer https://coderofsalvation.codeberg.page/xrfragment-haxe/example/assets/example.glb?bar=1&f=2#foo'
 -- ./lovr xurfer https://codeberg.org/coderofsalvation/xrfragment/raw/branch/main/assets/template/website/website.glb'
@@ -9,23 +10,18 @@
 -- ./lovr xurfer https://snips.sh/f/rHFLg-cewi?r=1' -- cube
 -- ./lovr xurfer https://snips.sh/f/_U5-XctEVE?r=1' -- cube, monkey, scene
 
-local runtime = nil
+print("\n    X U R F Ξ R")
+print("    ⠭ ⠥ ⠗ ⠋ ⠑ ⠗\n")
 
-if lovr ~= nil then 
-  runtime = { path = "lovr", api = lovr }
-elseif love ~= nil then 
-  runtime = { path = "love", api = love };  
-end 
+package.path = package.path .. ';' .. '?.lua;'
+require('conf') 
 
-if runtime == nil then 
-  package.path = package.path .. ';' .. 'xurfer/?.lua' 
-  require('conf') 
-end
-
-local util = require("util")
-local  ecs = require("ecs")
+local runtime = require("runtime/detect")
+local util    = require("util")
+local  ecs    = require("ecs")
 
 api = {
+  runtime  = runtime,
   parser   = {
     json   = require("json"),
     xml    = require("xmlSimple"),
@@ -46,7 +42,8 @@ require( runtime.path .. "/main")
   
 util.loaddir( "ext",   api, api.ext )
 util.loaddir( "media", api, api.media )
-ecs.init()
+
+ecs.init(api)
 api.ext.exec('init')
 
 -- load urls passed on the cli
@@ -55,3 +52,6 @@ foreach( arg, function(k,uri)
     api.ecs.add( api.world, { URI = { url = uri, method = 'GET', target = '_top' }  })
   end
 end)
+
+-- for runtimes (runtime/lua) which dont automatically run an update-loop (like love/lovr)
+api.ext.exec('main') 
diff --git a/xurfer/runtime/detect.lua b/xurfer/runtime/detect.lua
new file mode 100644
index 0000000..e8b619b
--- /dev/null
+++ b/xurfer/runtime/detect.lua
@@ -0,0 +1,17 @@
+local runtime = nil
+-- determine runtime
+if lovr ~= nil then 
+  runtime = { name = "lovr", path = "runtime/lovr", api = lovr }
+elseif love ~= nil then 
+  runtime = { name = "lua", path = "runtime/love", api = love }
+else
+  runtime = { name = "lua", path = "runtime/lua", api = require("runtime/lua/api") }
+end
+
+
+runtime.os = "unixy"
+if package.config:sub(1,1) == "\\" then
+  runtime.os = "windows"
+end
+
+return runtime
diff --git a/xurfer/love/conf.lua b/xurfer/runtime/love/conf.lua
similarity index 100%
rename from xurfer/love/conf.lua
rename to xurfer/runtime/love/conf.lua
diff --git a/xurfer/love/main.lua b/xurfer/runtime/love/main.lua
similarity index 100%
rename from xurfer/love/main.lua
rename to xurfer/runtime/love/main.lua
diff --git a/xurfer/lovr/.gitignore b/xurfer/runtime/lovr/.gitignore
similarity index 100%
rename from xurfer/lovr/.gitignore
rename to xurfer/runtime/lovr/.gitignore
diff --git a/xurfer/lovr/LICENSE b/xurfer/runtime/lovr/LICENSE
similarity index 100%
rename from xurfer/lovr/LICENSE
rename to xurfer/runtime/lovr/LICENSE
diff --git a/xurfer/lovr/README.md b/xurfer/runtime/lovr/README.md
similarity index 100%
rename from xurfer/lovr/README.md
rename to xurfer/runtime/lovr/README.md
diff --git a/xurfer/lovr/assets/img/env.png b/xurfer/runtime/lovr/assets/img/env.png
similarity index 100%
rename from xurfer/lovr/assets/img/env.png
rename to xurfer/runtime/lovr/assets/img/env.png
diff --git a/xurfer/lovr/conf.lua b/xurfer/runtime/lovr/conf.lua
similarity index 100%
rename from xurfer/lovr/conf.lua
rename to xurfer/runtime/lovr/conf.lua
diff --git a/xurfer/lovr/launch.lua b/xurfer/runtime/lovr/launch.lua
similarity index 100%
rename from xurfer/lovr/launch.lua
rename to xurfer/runtime/lovr/launch.lua
diff --git a/xurfer/lovr/lib/iui/.gitignore b/xurfer/runtime/lovr/lib/iui/.gitignore
similarity index 100%
rename from xurfer/lovr/lib/iui/.gitignore
rename to xurfer/runtime/lovr/lib/iui/.gitignore
diff --git a/xurfer/lovr/lib/iui/LICENSE b/xurfer/runtime/lovr/lib/iui/LICENSE
similarity index 100%
rename from xurfer/lovr/lib/iui/LICENSE
rename to xurfer/runtime/lovr/lib/iui/LICENSE
diff --git a/xurfer/lovr/lib/iui/README.md b/xurfer/runtime/lovr/lib/iui/README.md
similarity index 100%
rename from xurfer/lovr/lib/iui/README.md
rename to xurfer/runtime/lovr/lib/iui/README.md
diff --git a/xurfer/lovr/lib/iui/assets/cursor-default_sdf.png b/xurfer/runtime/lovr/lib/iui/assets/cursor-default_sdf.png
similarity index 100%
rename from xurfer/lovr/lib/iui/assets/cursor-default_sdf.png
rename to xurfer/runtime/lovr/lib/iui/assets/cursor-default_sdf.png
diff --git a/xurfer/lovr/lib/iui/assets/cursor-ibeam_sdf.png b/xurfer/runtime/lovr/lib/iui/assets/cursor-ibeam_sdf.png
similarity index 100%
rename from xurfer/lovr/lib/iui/assets/cursor-ibeam_sdf.png
rename to xurfer/runtime/lovr/lib/iui/assets/cursor-ibeam_sdf.png
diff --git a/xurfer/lovr/lib/iui/assets/cursor-inactive_sdf.png b/xurfer/runtime/lovr/lib/iui/assets/cursor-inactive_sdf.png
similarity index 100%
rename from xurfer/lovr/lib/iui/assets/cursor-inactive_sdf.png
rename to xurfer/runtime/lovr/lib/iui/assets/cursor-inactive_sdf.png
diff --git a/xurfer/lovr/lib/iui/assets/cursor-sizens_sdf.png b/xurfer/runtime/lovr/lib/iui/assets/cursor-sizens_sdf.png
similarity index 100%
rename from xurfer/lovr/lib/iui/assets/cursor-sizens_sdf.png
rename to xurfer/runtime/lovr/lib/iui/assets/cursor-sizens_sdf.png
diff --git a/xurfer/lovr/lib/iui/assets/cursor-sizewe_sdf.png b/xurfer/runtime/lovr/lib/iui/assets/cursor-sizewe_sdf.png
similarity index 100%
rename from xurfer/lovr/lib/iui/assets/cursor-sizewe_sdf.png
rename to xurfer/runtime/lovr/lib/iui/assets/cursor-sizewe_sdf.png
diff --git a/xurfer/lovr/lib/iui/assets/glyph-checkmark.png b/xurfer/runtime/lovr/lib/iui/assets/glyph-checkmark.png
similarity index 100%
rename from xurfer/lovr/lib/iui/assets/glyph-checkmark.png
rename to xurfer/runtime/lovr/lib/iui/assets/glyph-checkmark.png
diff --git a/xurfer/lovr/lib/iui/assets/glyph-disclosure.png b/xurfer/runtime/lovr/lib/iui/assets/glyph-disclosure.png
similarity index 100%
rename from xurfer/lovr/lib/iui/assets/glyph-disclosure.png
rename to xurfer/runtime/lovr/lib/iui/assets/glyph-disclosure.png
diff --git a/xurfer/lovr/lib/iui/color.lua b/xurfer/runtime/lovr/lib/iui/color.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/color.lua
rename to xurfer/runtime/lovr/lib/iui/color.lua
diff --git a/xurfer/lovr/lib/iui/draw-queue.lua b/xurfer/runtime/lovr/lib/iui/draw-queue.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/draw-queue.lua
rename to xurfer/runtime/lovr/lib/iui/draw-queue.lua
diff --git a/xurfer/lovr/lib/iui/draw.lua b/xurfer/runtime/lovr/lib/iui/draw.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/draw.lua
rename to xurfer/runtime/lovr/lib/iui/draw.lua
diff --git a/xurfer/lovr/lib/iui/id.lua b/xurfer/runtime/lovr/lib/iui/id.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/id.lua
rename to xurfer/runtime/lovr/lib/iui/id.lua
diff --git a/xurfer/lovr/lib/iui/init.lua b/xurfer/runtime/lovr/lib/iui/init.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/init.lua
rename to xurfer/runtime/lovr/lib/iui/init.lua
diff --git a/xurfer/lovr/lib/iui/input/init.lua b/xurfer/runtime/lovr/lib/iui/input/init.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/input/init.lua
rename to xurfer/runtime/lovr/lib/iui/input/init.lua
diff --git a/xurfer/lovr/lib/iui/input/input.lua b/xurfer/runtime/lovr/lib/iui/input/input.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/input/input.lua
rename to xurfer/runtime/lovr/lib/iui/input/input.lua
diff --git a/xurfer/lovr/lib/iui/input/keyboard.lua b/xurfer/runtime/lovr/lib/iui/input/keyboard.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/input/keyboard.lua
rename to xurfer/runtime/lovr/lib/iui/input/keyboard.lua
diff --git a/xurfer/lovr/lib/iui/input/mouse.lua b/xurfer/runtime/lovr/lib/iui/input/mouse.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/input/mouse.lua
rename to xurfer/runtime/lovr/lib/iui/input/mouse.lua
diff --git a/xurfer/lovr/lib/iui/iui.lua b/xurfer/runtime/lovr/lib/iui/iui.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/iui.lua
rename to xurfer/runtime/lovr/lib/iui/iui.lua
diff --git a/xurfer/lovr/lib/iui/layer.lua b/xurfer/runtime/lovr/lib/iui/layer.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/layer.lua
rename to xurfer/runtime/lovr/lib/iui/layer.lua
diff --git a/xurfer/lovr/lib/iui/layout.lua b/xurfer/runtime/lovr/lib/iui/layout.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/layout.lua
rename to xurfer/runtime/lovr/lib/iui/layout.lua
diff --git a/xurfer/lovr/lib/iui/pool.lua b/xurfer/runtime/lovr/lib/iui/pool.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/pool.lua
rename to xurfer/runtime/lovr/lib/iui/pool.lua
diff --git a/xurfer/lovr/lib/iui/set.lua b/xurfer/runtime/lovr/lib/iui/set.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/set.lua
rename to xurfer/runtime/lovr/lib/iui/set.lua
diff --git a/xurfer/lovr/lib/iui/state.lua b/xurfer/runtime/lovr/lib/iui/state.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/state.lua
rename to xurfer/runtime/lovr/lib/iui/state.lua
diff --git a/xurfer/lovr/lib/iui/style.lua b/xurfer/runtime/lovr/lib/iui/style.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/style.lua
rename to xurfer/runtime/lovr/lib/iui/style.lua
diff --git a/xurfer/lovr/lib/iui/types/backend/backend.t.lua b/xurfer/runtime/lovr/lib/iui/types/backend/backend.t.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/types/backend/backend.t.lua
rename to xurfer/runtime/lovr/lib/iui/types/backend/backend.t.lua
diff --git a/xurfer/lovr/lib/iui/types/backend/graphics.t.lua b/xurfer/runtime/lovr/lib/iui/types/backend/graphics.t.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/types/backend/graphics.t.lua
rename to xurfer/runtime/lovr/lib/iui/types/backend/graphics.t.lua
diff --git a/xurfer/lovr/lib/iui/types/backend/system.t.lua b/xurfer/runtime/lovr/lib/iui/types/backend/system.t.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/types/backend/system.t.lua
rename to xurfer/runtime/lovr/lib/iui/types/backend/system.t.lua
diff --git a/xurfer/lovr/lib/iui/types/config.t.lua b/xurfer/runtime/lovr/lib/iui/types/config.t.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/types/config.t.lua
rename to xurfer/runtime/lovr/lib/iui/types/config.t.lua
diff --git a/xurfer/lovr/lib/iui/utils.lua b/xurfer/runtime/lovr/lib/iui/utils.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/utils.lua
rename to xurfer/runtime/lovr/lib/iui/utils.lua
diff --git a/xurfer/lovr/lib/iui/widgets/button.lua b/xurfer/runtime/lovr/lib/iui/widgets/button.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/button.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/button.lua
diff --git a/xurfer/lovr/lib/iui/widgets/checkbox.lua b/xurfer/runtime/lovr/lib/iui/widgets/checkbox.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/checkbox.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/checkbox.lua
diff --git a/xurfer/lovr/lib/iui/widgets/clip-view.lua b/xurfer/runtime/lovr/lib/iui/widgets/clip-view.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/clip-view.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/clip-view.lua
diff --git a/xurfer/lovr/lib/iui/widgets/divider.lua b/xurfer/runtime/lovr/lib/iui/widgets/divider.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/divider.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/divider.lua
diff --git a/xurfer/lovr/lib/iui/widgets/image-9-slice.lua b/xurfer/runtime/lovr/lib/iui/widgets/image-9-slice.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/image-9-slice.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/image-9-slice.lua
diff --git a/xurfer/lovr/lib/iui/widgets/image.lua b/xurfer/runtime/lovr/lib/iui/widgets/image.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/image.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/image.lua
diff --git a/xurfer/lovr/lib/iui/widgets/init.lua b/xurfer/runtime/lovr/lib/iui/widgets/init.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/init.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/init.lua
diff --git a/xurfer/lovr/lib/iui/widgets/label.lua b/xurfer/runtime/lovr/lib/iui/widgets/label.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/label.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/label.lua
diff --git a/xurfer/lovr/lib/iui/widgets/list-view.lua b/xurfer/runtime/lovr/lib/iui/widgets/list-view.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/list-view.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/list-view.lua
diff --git a/xurfer/lovr/lib/iui/widgets/menu-bar.lua b/xurfer/runtime/lovr/lib/iui/widgets/menu-bar.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/menu-bar.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/menu-bar.lua
diff --git a/xurfer/lovr/lib/iui/widgets/menu-item.lua b/xurfer/runtime/lovr/lib/iui/widgets/menu-item.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/menu-item.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/menu-item.lua
diff --git a/xurfer/lovr/lib/iui/widgets/msdf-image-9-slice.lua b/xurfer/runtime/lovr/lib/iui/widgets/msdf-image-9-slice.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/msdf-image-9-slice.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/msdf-image-9-slice.lua
diff --git a/xurfer/lovr/lib/iui/widgets/msdf-image.lua b/xurfer/runtime/lovr/lib/iui/widgets/msdf-image.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/msdf-image.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/msdf-image.lua
diff --git a/xurfer/lovr/lib/iui/widgets/msdf-layered-image-9-slice.lua b/xurfer/runtime/lovr/lib/iui/widgets/msdf-layered-image-9-slice.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/msdf-layered-image-9-slice.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/msdf-layered-image-9-slice.lua
diff --git a/xurfer/lovr/lib/iui/widgets/msdf-layered-image.lua b/xurfer/runtime/lovr/lib/iui/widgets/msdf-layered-image.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/msdf-layered-image.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/msdf-layered-image.lua
diff --git a/xurfer/lovr/lib/iui/widgets/panel-background.lua b/xurfer/runtime/lovr/lib/iui/widgets/panel-background.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/panel-background.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/panel-background.lua
diff --git a/xurfer/lovr/lib/iui/widgets/progress.lua b/xurfer/runtime/lovr/lib/iui/widgets/progress.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/progress.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/progress.lua
diff --git a/xurfer/lovr/lib/iui/widgets/radio.lua b/xurfer/runtime/lovr/lib/iui/widgets/radio.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/radio.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/radio.lua
diff --git a/xurfer/lovr/lib/iui/widgets/scroll-bar.lua b/xurfer/runtime/lovr/lib/iui/widgets/scroll-bar.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/scroll-bar.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/scroll-bar.lua
diff --git a/xurfer/lovr/lib/iui/widgets/scroll-view.lua b/xurfer/runtime/lovr/lib/iui/widgets/scroll-view.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/scroll-view.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/scroll-view.lua
diff --git a/xurfer/lovr/lib/iui/widgets/slider.lua b/xurfer/runtime/lovr/lib/iui/widgets/slider.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/slider.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/slider.lua
diff --git a/xurfer/lovr/lib/iui/widgets/split-view.lua b/xurfer/runtime/lovr/lib/iui/widgets/split-view.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/split-view.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/split-view.lua
diff --git a/xurfer/lovr/lib/iui/widgets/sub-menu.lua b/xurfer/runtime/lovr/lib/iui/widgets/sub-menu.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/sub-menu.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/sub-menu.lua
diff --git a/xurfer/lovr/lib/iui/widgets/tab-bar.lua b/xurfer/runtime/lovr/lib/iui/widgets/tab-bar.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/tab-bar.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/tab-bar.lua
diff --git a/xurfer/lovr/lib/iui/widgets/text-field.lua b/xurfer/runtime/lovr/lib/iui/widgets/text-field.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/widgets/text-field.lua
rename to xurfer/runtime/lovr/lib/iui/widgets/text-field.lua
diff --git a/xurfer/lovr/lib/iui/window-manager.lua b/xurfer/runtime/lovr/lib/iui/window-manager.lua
similarity index 100%
rename from xurfer/lovr/lib/iui/window-manager.lua
rename to xurfer/runtime/lovr/lib/iui/window-manager.lua
diff --git a/xurfer/lovr/lib/lovr-iui/.gitignore b/xurfer/runtime/lovr/lib/lovr-iui/.gitignore
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/.gitignore
rename to xurfer/runtime/lovr/lib/lovr-iui/.gitignore
diff --git a/xurfer/lovr/lib/lovr-iui/LICENSE b/xurfer/runtime/lovr/lib/lovr-iui/LICENSE
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/LICENSE
rename to xurfer/runtime/lovr/lib/lovr-iui/LICENSE
diff --git a/xurfer/lovr/lib/lovr-iui/README.md b/xurfer/runtime/lovr/lib/lovr-iui/README.md
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/README.md
rename to xurfer/runtime/lovr/lib/lovr-iui/README.md
diff --git a/xurfer/lovr/lib/lovr-iui/graphics.lua b/xurfer/runtime/lovr/lib/lovr-iui/graphics.lua
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/graphics.lua
rename to xurfer/runtime/lovr/lib/lovr-iui/graphics.lua
diff --git a/xurfer/lovr/lib/lovr-iui/init.lua b/xurfer/runtime/lovr/lib/lovr-iui/init.lua
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/init.lua
rename to xurfer/runtime/lovr/lib/lovr-iui/init.lua
diff --git a/xurfer/lovr/lib/lovr-iui/shaders/ui-clip.glsl b/xurfer/runtime/lovr/lib/lovr-iui/shaders/ui-clip.glsl
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/shaders/ui-clip.glsl
rename to xurfer/runtime/lovr/lib/lovr-iui/shaders/ui-clip.glsl
diff --git a/xurfer/lovr/lib/lovr-iui/shaders/ui-image.glsl b/xurfer/runtime/lovr/lib/lovr-iui/shaders/ui-image.glsl
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/shaders/ui-image.glsl
rename to xurfer/runtime/lovr/lib/lovr-iui/shaders/ui-image.glsl
diff --git a/xurfer/lovr/lib/lovr-iui/shaders/ui-msdf.glsl b/xurfer/runtime/lovr/lib/lovr-iui/shaders/ui-msdf.glsl
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/shaders/ui-msdf.glsl
rename to xurfer/runtime/lovr/lib/lovr-iui/shaders/ui-msdf.glsl
diff --git a/xurfer/lovr/lib/lovr-iui/system.lua b/xurfer/runtime/lovr/lib/lovr-iui/system.lua
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/system.lua
rename to xurfer/runtime/lovr/lib/lovr-iui/system.lua
diff --git a/xurfer/lovr/lib/lovr-iui/vr-input.lua b/xurfer/runtime/lovr/lib/lovr-iui/vr-input.lua
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/vr-input.lua
rename to xurfer/runtime/lovr/lib/lovr-iui/vr-input.lua
diff --git a/xurfer/lovr/lib/lovr-iui/world-window.lua b/xurfer/runtime/lovr/lib/lovr-iui/world-window.lua
similarity index 100%
rename from xurfer/lovr/lib/lovr-iui/world-window.lua
rename to xurfer/runtime/lovr/lib/lovr-iui/world-window.lua
diff --git a/xurfer/lovr/lib/lovr-mouse/LICENSE b/xurfer/runtime/lovr/lib/lovr-mouse/LICENSE
similarity index 100%
rename from xurfer/lovr/lib/lovr-mouse/LICENSE
rename to xurfer/runtime/lovr/lib/lovr-mouse/LICENSE
diff --git a/xurfer/lovr/lib/lovr-mouse/init.lua b/xurfer/runtime/lovr/lib/lovr-mouse/init.lua
similarity index 100%
rename from xurfer/lovr/lib/lovr-mouse/init.lua
rename to xurfer/runtime/lovr/lib/lovr-mouse/init.lua
diff --git a/xurfer/lovr/main.lua b/xurfer/runtime/lovr/main.lua
similarity index 98%
rename from xurfer/lovr/main.lua
rename to xurfer/runtime/lovr/main.lua
index 4089329..4b336fa 100644
--- a/xurfer/lovr/main.lua
+++ b/xurfer/runtime/lovr/main.lua
@@ -9,8 +9,8 @@ local iui = require "lib.iui"
 local backend = require "lib.lovr-iui"
 
 -- modify for nested lovr path for api
-iui.resourcePath = "lovr/" .. iui.resourcePath
-backend.resourcePath = "lovr/" .. backend.resourcePath
+iui.resourcePath = "runtime/lovr/" .. iui.resourcePath
+backend.resourcePath = "runtime/lovr/" .. backend.resourcePath
 api.iui = iui
 api.backend = backend
 -- decorate api
diff --git a/xurfer/lovr/render/model.lua b/xurfer/runtime/lovr/render/model.lua
similarity index 100%
rename from xurfer/lovr/render/model.lua
rename to xurfer/runtime/lovr/render/model.lua
diff --git a/xurfer/lovr/sample/.gitignore b/xurfer/runtime/lovr/sample/.gitignore
similarity index 100%
rename from xurfer/lovr/sample/.gitignore
rename to xurfer/runtime/lovr/sample/.gitignore
diff --git a/xurfer/lovr/sample/LICENSE b/xurfer/runtime/lovr/sample/LICENSE
similarity index 100%
rename from xurfer/lovr/sample/LICENSE
rename to xurfer/runtime/lovr/sample/LICENSE
diff --git a/xurfer/lovr/sample/README.md b/xurfer/runtime/lovr/sample/README.md
similarity index 100%
rename from xurfer/lovr/sample/README.md
rename to xurfer/runtime/lovr/sample/README.md
diff --git a/xurfer/lovr/sample/assets/game-sunset.png b/xurfer/runtime/lovr/sample/assets/game-sunset.png
similarity index 100%
rename from xurfer/lovr/sample/assets/game-sunset.png
rename to xurfer/runtime/lovr/sample/assets/game-sunset.png
diff --git a/xurfer/lovr/sample/assets/nine-slice-frame.png b/xurfer/runtime/lovr/sample/assets/nine-slice-frame.png
similarity index 100%
rename from xurfer/lovr/sample/assets/nine-slice-frame.png
rename to xurfer/runtime/lovr/sample/assets/nine-slice-frame.png
diff --git a/xurfer/lovr/sample/assets/nine-slice-interior.png b/xurfer/runtime/lovr/sample/assets/nine-slice-interior.png
similarity index 100%
rename from xurfer/lovr/sample/assets/nine-slice-interior.png
rename to xurfer/runtime/lovr/sample/assets/nine-slice-interior.png
diff --git a/xurfer/lovr/sample/assets/smile-bg.png b/xurfer/runtime/lovr/sample/assets/smile-bg.png
similarity index 100%
rename from xurfer/lovr/sample/assets/smile-bg.png
rename to xurfer/runtime/lovr/sample/assets/smile-bg.png
diff --git a/xurfer/lovr/sample/assets/smile-fg.png b/xurfer/runtime/lovr/sample/assets/smile-fg.png
similarity index 100%
rename from xurfer/lovr/sample/assets/smile-fg.png
rename to xurfer/runtime/lovr/sample/assets/smile-fg.png
diff --git a/xurfer/lovr/sample/assets/ui-box-slice.png b/xurfer/runtime/lovr/sample/assets/ui-box-slice.png
similarity index 100%
rename from xurfer/lovr/sample/assets/ui-box-slice.png
rename to xurfer/runtime/lovr/sample/assets/ui-box-slice.png
diff --git a/xurfer/lovr/sample/features/disabled-tab/disabled-tab.lua b/xurfer/runtime/lovr/sample/features/disabled-tab/disabled-tab.lua
similarity index 100%
rename from xurfer/lovr/sample/features/disabled-tab/disabled-tab.lua
rename to xurfer/runtime/lovr/sample/features/disabled-tab/disabled-tab.lua
diff --git a/xurfer/lovr/sample/features/image-tab/models/state.lua b/xurfer/runtime/lovr/sample/features/image-tab/models/state.lua
similarity index 100%
rename from xurfer/lovr/sample/features/image-tab/models/state.lua
rename to xurfer/runtime/lovr/sample/features/image-tab/models/state.lua
diff --git a/xurfer/lovr/sample/features/image-tab/models/window-state.lua b/xurfer/runtime/lovr/sample/features/image-tab/models/window-state.lua
similarity index 100%
rename from xurfer/lovr/sample/features/image-tab/models/window-state.lua
rename to xurfer/runtime/lovr/sample/features/image-tab/models/window-state.lua
diff --git a/xurfer/lovr/sample/features/image-tab/msdf.lua b/xurfer/runtime/lovr/sample/features/image-tab/msdf.lua
similarity index 100%
rename from xurfer/lovr/sample/features/image-tab/msdf.lua
rename to xurfer/runtime/lovr/sample/features/image-tab/msdf.lua
diff --git a/xurfer/lovr/sample/features/image-tab/nine-slice-msdf.lua b/xurfer/runtime/lovr/sample/features/image-tab/nine-slice-msdf.lua
similarity index 100%
rename from xurfer/lovr/sample/features/image-tab/nine-slice-msdf.lua
rename to xurfer/runtime/lovr/sample/features/image-tab/nine-slice-msdf.lua
diff --git a/xurfer/lovr/sample/features/image-tab/nine-slice.lua b/xurfer/runtime/lovr/sample/features/image-tab/nine-slice.lua
similarity index 100%
rename from xurfer/lovr/sample/features/image-tab/nine-slice.lua
rename to xurfer/runtime/lovr/sample/features/image-tab/nine-slice.lua
diff --git a/xurfer/lovr/sample/features/image-tab/simple.lua b/xurfer/runtime/lovr/sample/features/image-tab/simple.lua
similarity index 100%
rename from xurfer/lovr/sample/features/image-tab/simple.lua
rename to xurfer/runtime/lovr/sample/features/image-tab/simple.lua
diff --git a/xurfer/lovr/sample/features/image-tab/tab-image.lua b/xurfer/runtime/lovr/sample/features/image-tab/tab-image.lua
similarity index 100%
rename from xurfer/lovr/sample/features/image-tab/tab-image.lua
rename to xurfer/runtime/lovr/sample/features/image-tab/tab-image.lua
diff --git a/xurfer/lovr/sample/features/main-tab/main-tab.lua b/xurfer/runtime/lovr/sample/features/main-tab/main-tab.lua
similarity index 100%
rename from xurfer/lovr/sample/features/main-tab/main-tab.lua
rename to xurfer/runtime/lovr/sample/features/main-tab/main-tab.lua
diff --git a/xurfer/lovr/sample/features/main-tab/models/state.lua b/xurfer/runtime/lovr/sample/features/main-tab/models/state.lua
similarity index 100%
rename from xurfer/lovr/sample/features/main-tab/models/state.lua
rename to xurfer/runtime/lovr/sample/features/main-tab/models/state.lua
diff --git a/xurfer/lovr/sample/features/main-tab/models/window-state.lua b/xurfer/runtime/lovr/sample/features/main-tab/models/window-state.lua
similarity index 100%
rename from xurfer/lovr/sample/features/main-tab/models/window-state.lua
rename to xurfer/runtime/lovr/sample/features/main-tab/models/window-state.lua
diff --git a/xurfer/lovr/sample/features/main-tab/primary-pane.lua b/xurfer/runtime/lovr/sample/features/main-tab/primary-pane.lua
similarity index 100%
rename from xurfer/lovr/sample/features/main-tab/primary-pane.lua
rename to xurfer/runtime/lovr/sample/features/main-tab/primary-pane.lua
diff --git a/xurfer/lovr/sample/features/main-tab/secondary-pane.lua b/xurfer/runtime/lovr/sample/features/main-tab/secondary-pane.lua
similarity index 100%
rename from xurfer/lovr/sample/features/main-tab/secondary-pane.lua
rename to xurfer/runtime/lovr/sample/features/main-tab/secondary-pane.lua
diff --git a/xurfer/lovr/sample/init.lua b/xurfer/runtime/lovr/sample/init.lua
similarity index 100%
rename from xurfer/lovr/sample/init.lua
rename to xurfer/runtime/lovr/sample/init.lua
diff --git a/xurfer/lovr/sample/menu-bar.lua b/xurfer/runtime/lovr/sample/menu-bar.lua
similarity index 100%
rename from xurfer/lovr/sample/menu-bar.lua
rename to xurfer/runtime/lovr/sample/menu-bar.lua
diff --git a/xurfer/lovr/sample/models/app-state.lua b/xurfer/runtime/lovr/sample/models/app-state.lua
similarity index 100%
rename from xurfer/lovr/sample/models/app-state.lua
rename to xurfer/runtime/lovr/sample/models/app-state.lua
diff --git a/xurfer/lovr/sample/models/window-state.lua b/xurfer/runtime/lovr/sample/models/window-state.lua
similarity index 100%
rename from xurfer/lovr/sample/models/window-state.lua
rename to xurfer/runtime/lovr/sample/models/window-state.lua
diff --git a/xurfer/lovr/sample/tab-bar.lua b/xurfer/runtime/lovr/sample/tab-bar.lua
similarity index 100%
rename from xurfer/lovr/sample/tab-bar.lua
rename to xurfer/runtime/lovr/sample/tab-bar.lua
diff --git a/xurfer/runtime/lua/api.lua b/xurfer/runtime/lua/api.lua
new file mode 100644
index 0000000..9b335ed
--- /dev/null
+++ b/xurfer/runtime/lua/api.lua
@@ -0,0 +1,45 @@
+return {
+
+  -- protocol.http: inited via runtime/lua/main.lua
+
+  filesystem = {
+
+    getDirectoryItems = function(path)
+      local items = {}
+      local cmd = "ls -1 \"" .. path .. "\""
+      -- Windows
+      if package.config:sub(1,1) == "\\" then
+          cmd = "dir /b \"" .. path .. "\""
+      end
+      local pipe = io.popen(cmd)
+      if not pipe then return items end
+      for entry in pipe:lines() do
+        if entry ~= "." and entry ~= ".." then
+            table.insert(items, entry)
+        end
+      end
+      pipe:close()
+      return items
+    end,
+
+    isFile = function(path)
+      local f = io.open(path, "r")
+      if f then
+        -- Ensure it's not a directory disguised as a file
+        local _, _, code = f:read(0)
+        f:close()
+        return code ~= 21 -- EISDIR (Is a directory error code on POSIX)
+      end
+      return false
+    end,
+
+    load = function(path)
+      local file = io.open(path, "r")
+      if not file then return nil end
+      local content = file:read("*a")
+      file:close()
+      local func = loadstring(content)
+      return func
+    end    
+  }
+}
diff --git a/xurfer/runtime/lua/conf.lua b/xurfer/runtime/lua/conf.lua
new file mode 100644
index 0000000..39187b7
--- /dev/null
+++ b/xurfer/runtime/lua/conf.lua
@@ -0,0 +1,3 @@
+package.path = package.path .. ';' .. 'xurfer/?.lua' 
+
+loadstring = load -- lua compat for tiny-ecs
diff --git a/xurfer/runtime/lua/main.lua b/xurfer/runtime/lua/main.lua
new file mode 100644
index 0000000..4acd8c2
--- /dev/null
+++ b/xurfer/runtime/lua/main.lua
@@ -0,0 +1,63 @@
+-- The following api-calls need the unixy extension, 
+-- so we init them via an adhoc extension here:
+
+api.ext.lua = {
+
+  enabled = true,
+
+  main = function()
+    -- main loop
+    local last_time = os.clock()
+    api.ecs.filterUpdate = api.ecs.requireAll('updatethread')
+    api.ecs.filterDraw   = api.ecs.requireAll('drawthread')
+
+    api.protocol.http.request( "https://2wa.isvery.ninja", {}, function(status,data,headers)
+      print("request done")
+      --print_r(status)
+      --print_r(headers)
+      --print_r(data)
+    end)
+
+    while true do
+      local current_time = os.clock()
+      local dt = current_time - last_time
+      last_time = current_time
+      -- update extensions
+      api.ext.exec("update", dt)
+      api.ecs.update( api.world, dt, api.ecs.filterUpdate )
+    end
+  end,
+
+  init = function()
+
+    -- reroute http request 
+    if not api.protocol.http then 
+
+      api.protocol.http = {}
+
+      -- via wget
+      api.protocol.http.request = api.ext.unixy.proxyCLI( 
+        "wget",
+        function(url,opts, cb) return string.format( "out=$(mktemp); wget -O $out https://2wa.isvery.ninja; cat $out; rm $out", url ) end,
+        function( stdout, stderr, retcode, url, opts, cb) 
+          local status = 200
+          if retcode ~= 0 then status = retcode end
+          cb( retcode, stdout, {string = stderr}) -- todo: parse string into key/values
+        end
+      )
+
+      -- via curl
+      api.protocol.http.request = api.ext.unixy.proxyCLI( 
+        "curl",
+        function(url,opts, cb) return string.format( "curl -v -s %s", url ) end,
+        function( stdout, stderr, retcode, url, opts, cb) 
+          local status = 200
+          if retcode ~= 0 then status = retcode end
+          cb( retcode, stdout, {string = stderr}) -- todo: parse string into key/values
+        end
+      )
+
+    end
+
+  end
+}
diff --git a/xurfer/test.glb b/xurfer/test.glb
deleted file mode 100644
index 2cee76d..0000000
Binary files a/xurfer/test.glb and /dev/null differ
diff --git a/xurfer/util.lua b/xurfer/util.lua
index e86c390..392c62e 100644
--- a/xurfer/util.lua
+++ b/xurfer/util.lua
@@ -11,6 +11,12 @@ util.loaddir = function( path, api, target)
   end)
 end
 
+util.cmdExist = function(cmd)
+  if api.runtime.os == 'unixy' then cmd = cmd .. " 1>/dev/null 2>/dev/null" end
+  local stdout, retstr, retcode = os.execute(cmd)
+  return retcode ~= 127
+end
+
 util.exec = function(obj, fn,a,b,c,d,e,f)
     foreach( obj,
       when('enabled',true, util.call(fn,a,b,c,d,e,f) )
@@ -69,10 +75,6 @@ function util.dump(value, indent, seen)
   end
 end
 
--- error on undefined variable access
-local function err(t,k,v) error("Accessed an undefined variable: " .. tostring(k)) end
-setmetatable(_G, { __index = err })
-
 function util.count(self)
   local i = 0
   if self == nil then return i end
@@ -131,42 +133,6 @@ util.call = function(fn,a,b,c,d,e,f)
   end
 end
 
-function foreach(table, f)
-  if table ~= nil then 
-    for k, v in pairs(table) do f(k, v) end 
-  end
-end
-
-function when(k,v,cb)
-  return function(kk,vv)
-    if type(vv) == 'table' then 
-      if vv[k] == v then cb(kk,vv) end
-    end
-  end
-end
-
-function trace(o)
-  if os.getenv('DEBUG') then 
-    if type(o) == 'table' then 
-      print_r(o) 
-    else
-      print(o)
-    end
-  end
-end
-
-
-function util.merge(t1,t2)
-  local t3 = {}
-  foreach( t1, function(k,v) t3[k] = v end)
-  foreach( t2, function(k,v) t3[k] = v end)
-  return t3
-end
-
-function print_r(t)
-  print( util.dump(t) )
-end
-
 util.match = function(list,k,v)
   local ret = false
   foreach( list, function(K,V) 
@@ -175,6 +141,13 @@ util.match = function(list,k,v)
   return ret
 end
 
+function util.merge(t1,t2)
+  local t3 = {}
+  foreach( t1, function(k,v) t3[k] = v end)
+  foreach( t2, function(k,v) t3[k] = v end)
+  return t3
+end
+
 -- recalculate filters for tiny-ecs systems 
 -- usage: entity.commit = util.commit(api.world)  -- once
 --        entity.commit() -- this recalculates the filtercache of systems
@@ -213,4 +186,38 @@ util.addModuleHooks = function(mod)
   return mod
 end
 
+-- 
+-- LUA SYNTAX SUGAR (from here on )
+-- 
+
+function foreach(table, f)
+  if table ~= nil then 
+    for k, v in pairs(table) do f(k, v) end 
+  end
+end
+
+function when(k,v,cb)
+  return function(kk,vv)
+    if type(vv) == 'table' then 
+      if vv[k] == v then cb(kk,vv) end
+    end
+  end
+end
+
+function trace(o)
+  if os.getenv('DEBUG') then 
+    if type(o) == 'table' then 
+      print_r(o) 
+    else
+      print(o)
+    end
+  end
+end
+
+
+function print_r(t)
+  print( util.dump(t) )
+end
+
+
 return util