diff --git a/ui/.metadata b/ui/.metadata
index d33aab9..305ba62 100644
--- a/ui/.metadata
+++ b/ui/.metadata
@@ -4,7 +4,7 @@
 # This file should be version controlled and should not be manually edited.
 
 version:
-  revision: "dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668"
+  revision: "c23637390482d4cf9598c3ce3f2be31aa7332daf"
   channel: "stable"
 
 project_type: app
@@ -13,11 +13,11 @@ project_type: app
 migration:
   platforms:
     - platform: root
-      create_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
-      base_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
-    - platform: macos
-      create_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
-      base_revision: dec2ee5c1f98f8e84a7d5380c05eb8a3d0a81668
+      create_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
+      base_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
+    - platform: windows
+      create_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
+      base_revision: c23637390482d4cf9598c3ce3f2be31aa7332daf
 
   # User provided section
 
diff --git a/ui/pubspec.lock b/ui/pubspec.lock
index 215751e..280213b 100644
--- a/ui/pubspec.lock
+++ b/ui/pubspec.lock
@@ -6,7 +6,7 @@ packages:
     description:
       name: another_flushbar
       sha256: "19bf9520230ec40b300aaf9dd2a8fefcb277b25ecd1c4838f530566965befc2a"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.12.30"
   another_transformer_page_view:
@@ -14,7 +14,7 @@ packages:
     description:
       name: another_transformer_page_view
       sha256: a7cd46ede62d621c5abe7e58c7cb2745abe67b3bfec64f59b8889c93d7be7a8e
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.1"
   async:
@@ -22,7 +22,7 @@ packages:
     description:
       name: async
       sha256: d2872f9c19731c2e5f10444b14686eb7cc85c76274bd6c16e1816bff9a3bab63
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.12.0"
   boolean_selector:
@@ -30,7 +30,7 @@ packages:
     description:
       name: boolean_selector
       sha256: "8aab1771e1243a5063b8b0ff68042d67334e3feab9e95b9490f9a6ebf73b42ea"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.2"
   characters:
@@ -38,7 +38,7 @@ packages:
     description:
       name: characters
       sha256: f71061c654a3380576a52b451dd5532377954cf9dbd272a78fc8479606670803
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.4.0"
   clock:
@@ -46,7 +46,7 @@ packages:
     description:
       name: clock
       sha256: fddb70d9b5277016c77a80201021d40a2247104d9f4aa7bab7157b7e3f05b84b
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.2"
   collection:
@@ -54,7 +54,7 @@ packages:
     description:
       name: collection
       sha256: "2f5709ae4d3d59dd8f7cd309b4e023046b57d8a6c82130785d2b0e5868084e76"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.19.1"
   cupertino_icons:
@@ -62,7 +62,7 @@ packages:
     description:
       name: cupertino_icons
       sha256: ba631d1c7f7bef6b729a622b7b752645a2d076dba9976925b8f25725a30e1ee6
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.8"
   dio:
@@ -70,7 +70,7 @@ packages:
     description:
       name: dio
       sha256: "253a18bbd4851fecba42f7343a1df3a9a4c1d31a2c1b37e221086b4fa8c8dbc9"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "5.8.0+1"
   dio_web_adapter:
@@ -78,7 +78,7 @@ packages:
     description:
       name: dio_web_adapter
       sha256: "7586e476d70caecaf1686d21eee7247ea43ef5c345eab9e0cc3583ff13378d78"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.1"
   equatable:
@@ -86,7 +86,7 @@ packages:
     description:
       name: equatable
       sha256: "567c64b3cb4cf82397aac55f4f0cbd3ca20d77c6c03bedbc4ceaddc08904aef7"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.0.7"
   fake_async:
@@ -94,7 +94,7 @@ packages:
     description:
       name: fake_async
       sha256: "6a95e56b2449df2273fd8c45a662d6947ce1ebb7aafe80e550a3f68297f3cacc"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.2"
   flutter:
@@ -107,7 +107,7 @@ packages:
     description:
       name: flutter_adaptive_scaffold
       sha256: "7279d74da2f2531a16d21c2ec327308778c3aedd672dfe4eaf3bf416463501f8"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.3.2"
   flutter_form_builder:
@@ -115,7 +115,7 @@ packages:
     description:
       name: flutter_form_builder
       sha256: "375da52998c72f80dec9187bd93afa7ab202b89d5d066699368ff96d39fd4876"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "9.7.0"
   flutter_lints:
@@ -123,7 +123,7 @@ packages:
     description:
       name: flutter_lints
       sha256: "5398f14efa795ffb7a33e9b6a08798b26a180edac4ad7db3f231e40f82ce11e1"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "5.0.0"
   flutter_localizations:
@@ -136,7 +136,7 @@ packages:
     description:
       name: flutter_login
       sha256: "1f7c46d0d76081cf4c5180e3a265b1f5b1d7e48c81859f58f03a8dcd27338b85"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "5.0.0"
   flutter_riverpod:
@@ -144,7 +144,7 @@ packages:
     description:
       name: flutter_riverpod
       sha256: "9532ee6db4a943a1ed8383072a2e3eeda041db5657cdf6d2acecf3c21ecbe7e1"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.6.1"
   flutter_test:
@@ -162,7 +162,7 @@ packages:
     description:
       name: font_awesome_flutter
       sha256: d3a89184101baec7f4600d58840a764d2ef760fe1c5a20ef9e6b0e9b24a07a3a
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "10.8.0"
   form_builder_validators:
@@ -170,7 +170,7 @@ packages:
     description:
       name: form_builder_validators
       sha256: cd617fa346250293ff3e2709961d0faf7b80e6e4f0ff7b500126b28d7422dd67
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "11.1.2"
   go_router:
@@ -178,7 +178,7 @@ packages:
     description:
       name: go_router
       sha256: f02fd7d2a4dc512fec615529824fdd217fecb3a3d3de68360293a551f21634b3
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "14.8.1"
   http_parser:
@@ -186,7 +186,7 @@ packages:
     description:
       name: http_parser
       sha256: "178d74305e7866013777bab2c3d8726205dc5a4dd935297175b19a23a2e66571"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "4.1.2"
   intl:
@@ -194,7 +194,7 @@ packages:
     description:
       name: intl
       sha256: d6f56758b7d3014a48af9701c085700aac781a92a87a62b1333b46d8879661cf
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.19.0"
   intl_phone_number_input:
@@ -202,7 +202,7 @@ packages:
     description:
       name: intl_phone_number_input
       sha256: "1c4328713a9503ab26a1fdbb6b00b4cada68c18aac922b35bedbc72eff1297c3"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.7.4"
   js:
@@ -210,7 +210,7 @@ packages:
     description:
       name: js
       sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.6.7"
   leak_tracker:
@@ -218,7 +218,7 @@ packages:
     description:
       name: leak_tracker
       sha256: c35baad643ba394b40aac41080300150a4f08fd0fd6a10378f8f7c6bc161acec
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "10.0.8"
   leak_tracker_flutter_testing:
@@ -226,7 +226,7 @@ packages:
     description:
       name: leak_tracker_flutter_testing
       sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.9"
   leak_tracker_testing:
@@ -234,7 +234,7 @@ packages:
     description:
       name: leak_tracker_testing
       sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.0.1"
   libphonenumber_platform_interface:
@@ -242,7 +242,7 @@ packages:
     description:
       name: libphonenumber_platform_interface
       sha256: f801f6c65523f56504b83f0890e6dad584ab3a7507dca65fec0eed640afea40f
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.4.2"
   libphonenumber_plugin:
@@ -250,7 +250,7 @@ packages:
     description:
       name: libphonenumber_plugin
       sha256: c615021d9816fbda2b2587881019ed595ecdf54d999652d7e4cce0e1f026368c
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.3.3"
   libphonenumber_web:
@@ -258,7 +258,7 @@ packages:
     description:
       name: libphonenumber_web
       sha256: "8186f420dbe97c3132283e52819daff1e55d60d6db46f7ea5ac42f42a28cc2ef"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.3.2"
   lints:
@@ -266,7 +266,7 @@ packages:
     description:
       name: lints
       sha256: c35bb79562d980e9a453fc715854e1ed39e24e7d0297a880ef54e17f9874a9d7
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "5.1.1"
   logging:
@@ -274,7 +274,7 @@ packages:
     description:
       name: logging
       sha256: c8245ada5f1717ed44271ed1c26b8ce85ca3228fd2ffdb75468ab01979309d61
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.3.0"
   matcher:
@@ -282,7 +282,7 @@ packages:
     description:
       name: matcher
       sha256: dc58c723c3c24bf8d3e2d3ad3f2f9d7bd9cf43ec6feaa64181775e60190153f2
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.12.17"
   material_color_utilities:
@@ -290,7 +290,7 @@ packages:
     description:
       name: material_color_utilities
       sha256: f7142bb1154231d7ea5f96bc7bde4bda2a0945d2806bb11670e30b850d56bdec
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.11.1"
   meta:
@@ -298,7 +298,7 @@ packages:
     description:
       name: meta
       sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.16.0"
   nested:
@@ -306,7 +306,7 @@ packages:
     description:
       name: nested
       sha256: "03bac4c528c64c95c722ec99280375a6f2fc708eec17c7b3f07253b626cd2a20"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.0"
   path:
@@ -314,7 +314,7 @@ packages:
     description:
       name: path
       sha256: "75cca69d1490965be98c73ceaea117e8a04dd21217b37b292c9ddbec0d955bc5"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.9.1"
   phone_numbers_parser:
@@ -322,7 +322,7 @@ packages:
     description:
       name: phone_numbers_parser
       sha256: "62451b689d842791ed1fd5dc9eacf36ffa8bad23a78ad6cde732dc2fb222fae2"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "8.3.0"
   plugin_platform_interface:
@@ -330,23 +330,23 @@ packages:
     description:
       name: plugin_platform_interface
       sha256: "4820fbfdb9478b1ebae27888254d445073732dae3d6ea81f0b7e06d5dedc3f02"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.8"
   provider:
     dependency: transitive
     description:
       name: provider
-      sha256: c8a055ee5ce3fd98d6fc872478b03823ffdb448699c6ebdbbc71d59b596fd48c
-      url: "https://pub.dev"
+      sha256: "489024f942069c2920c844ee18bb3d467c69e48955a4f32d1677f71be103e310"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "6.1.2"
+    version: "6.1.4"
   quiver:
     dependency: "direct main"
     description:
       name: quiver
       sha256: ea0b925899e64ecdfbf9c7becb60d5b50e706ade44a85b2363be2a22d88117d2
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.2.2"
   riverpod:
@@ -354,7 +354,7 @@ packages:
     description:
       name: riverpod
       sha256: "59062512288d3056b2321804332a13ffdd1bf16df70dcc8e506e411280a72959"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.6.1"
   sign_in_button:
@@ -362,7 +362,7 @@ packages:
     description:
       name: sign_in_button
       sha256: "977b9b0415d2f3909e642275dfabba7919ba8e111324641b76cae6d1acbd183e"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.2.0"
   simple_gesture_detector:
@@ -370,7 +370,7 @@ packages:
     description:
       name: simple_gesture_detector
       sha256: ba2cd5af24ff20a0b8d609cec3f40e5b0744d2a71804a2616ae086b9c19d19a3
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.2.1"
   sky_engine:
@@ -383,7 +383,7 @@ packages:
     description:
       name: source_span
       sha256: "254ee5351d6cb365c859e20ee823c3bb479bf4a293c22d17a9f1bf144ce86f7c"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.10.1"
   stack_trace:
@@ -391,7 +391,7 @@ packages:
     description:
       name: stack_trace
       sha256: "8b27215b45d22309b5cddda1aa2b19bdfec9df0e765f2de506401c071d38d1b1"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.12.1"
   state_notifier:
@@ -399,7 +399,7 @@ packages:
     description:
       name: state_notifier
       sha256: b8677376aa54f2d7c58280d5a007f9e8774f1968d1fb1c096adcb4792fba29bb
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.0.0"
   stream_channel:
@@ -407,7 +407,7 @@ packages:
     description:
       name: stream_channel
       sha256: "969e04c80b8bcdf826f8f16579c7b14d780458bd97f56d107d3950fdbeef059d"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.4"
   string_scanner:
@@ -415,7 +415,7 @@ packages:
     description:
       name: string_scanner
       sha256: "921cd31725b72fe181906c6a94d987c78e3b98c2e205b397ea399d4054872b43"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.4.1"
   table_calendar:
@@ -423,7 +423,7 @@ packages:
     description:
       name: table_calendar
       sha256: b2896b7c86adf3a4d9c911d860120fe3dbe03c85db43b22fd61f14ee78cdbb63
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.1.3"
   term_glyph:
@@ -431,7 +431,7 @@ packages:
     description:
       name: term_glyph
       sha256: "7f554798625ea768a7518313e58f83891c7f5024f88e46e7182a4558850a4b8e"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.2.2"
   test_api:
@@ -439,7 +439,7 @@ packages:
     description:
       name: test_api
       sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "0.7.4"
   timeago:
@@ -447,7 +447,7 @@ packages:
     description:
       name: timeago
       sha256: "054cedf68706bb142839ba0ae6b135f6b68039f0b8301cbe8784ae653d5ff8de"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.7.0"
   typed_data:
@@ -455,7 +455,7 @@ packages:
     description:
       name: typed_data
       sha256: f9049c039ebfeb4cf7a7104a675823cd72dba8297f264b6637062516699fa006
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.4.0"
   url_launcher:
@@ -463,7 +463,7 @@ packages:
     description:
       name: url_launcher
       sha256: "9d06212b1362abc2f0f0d78e6f09f726608c74e3b9462e8368bb03314aa8d603"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.3.1"
   url_launcher_android:
@@ -471,23 +471,23 @@ packages:
     description:
       name: url_launcher_android
       sha256: "1d0eae19bd7606ef60fe69ef3b312a437a16549476c42321d5dc1506c9ca3bf4"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "6.3.15"
   url_launcher_ios:
     dependency: transitive
     description:
       name: url_launcher_ios
-      sha256: "16a513b6c12bb419304e72ea0ae2ab4fed569920d1c7cb850263fe3acc824626"
-      url: "https://pub.dev"
+      sha256: "7f2022359d4c099eea7df3fdf739f7d3d3b9faf3166fb1dd390775176e0b76cb"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "6.3.2"
+    version: "6.3.3"
   url_launcher_linux:
     dependency: transitive
     description:
       name: url_launcher_linux
       sha256: "4e9ba368772369e3e08f231d2301b4ef72b9ff87c31192ef471b380ef29a4935"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.2.1"
   url_launcher_macos:
@@ -495,7 +495,7 @@ packages:
     description:
       name: url_launcher_macos
       sha256: "17ba2000b847f334f16626a574c702b196723af2a289e7a93ffcb79acff855c2"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.2.2"
   url_launcher_platform_interface:
@@ -503,7 +503,7 @@ packages:
     description:
       name: url_launcher_platform_interface
       sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.3.2"
   url_launcher_web:
@@ -511,7 +511,7 @@ packages:
     description:
       name: url_launcher_web
       sha256: "3ba963161bd0fe395917ba881d320b9c4f6dd3c4a233da62ab18a5025c85f1e9"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.4.0"
   url_launcher_windows:
@@ -519,7 +519,7 @@ packages:
     description:
       name: url_launcher_windows
       sha256: "3284b6d2ac454cf34f114e1d3319866fdd1e19cdc329999057e44ffe936cfa77"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "3.1.4"
   vector_math:
@@ -527,7 +527,7 @@ packages:
     description:
       name: vector_math
       sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "2.1.4"
   vm_service:
@@ -535,7 +535,7 @@ packages:
     description:
       name: vm_service
       sha256: "0968250880a6c5fe7edc067ed0a13d4bae1577fe2771dcf3010d52c4a9d3ca14"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "14.3.1"
   web:
@@ -543,7 +543,7 @@ packages:
     description:
       name: web
       sha256: "868d88a33d8a87b18ffc05f9f030ba328ffefba92d6c127917a2ba740f9cfe4a"
-      url: "https://pub.dev"
+      url: "https://pub.flutter-io.cn"
     source: hosted
     version: "1.1.1"
 sdks:
diff --git a/ui/windows/.gitignore b/ui/windows/.gitignore
new file mode 100644
index 0000000..d492d0d
--- /dev/null
+++ b/ui/windows/.gitignore
@@ -0,0 +1,17 @@
+flutter/ephemeral/
+
+# Visual Studio user-specific files.
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# Visual Studio build-related files.
+x64/
+x86/
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!*.[Cc]ache/
diff --git a/ui/windows/CMakeLists.txt b/ui/windows/CMakeLists.txt
new file mode 100644
index 0000000..6bffb3d
--- /dev/null
+++ b/ui/windows/CMakeLists.txt
@@ -0,0 +1,108 @@
+# Project-level configuration.
+cmake_minimum_required(VERSION 3.14)
+project(ui LANGUAGES CXX)
+
+# The name of the executable created for the application. Change this to change
+# the on-disk name of your application.
+set(BINARY_NAME "ui")
+
+# Explicitly opt in to modern CMake behaviors to avoid warnings with recent
+# versions of CMake.
+cmake_policy(VERSION 3.14...3.25)
+
+# Define build configuration option.
+get_property(IS_MULTICONFIG GLOBAL PROPERTY GENERATOR_IS_MULTI_CONFIG)
+if(IS_MULTICONFIG)
+  set(CMAKE_CONFIGURATION_TYPES "Debug;Profile;Release"
+    CACHE STRING "" FORCE)
+else()
+  if(NOT CMAKE_BUILD_TYPE AND NOT CMAKE_CONFIGURATION_TYPES)
+    set(CMAKE_BUILD_TYPE "Debug" CACHE
+      STRING "Flutter build mode" FORCE)
+    set_property(CACHE CMAKE_BUILD_TYPE PROPERTY STRINGS
+      "Debug" "Profile" "Release")
+  endif()
+endif()
+# Define settings for the Profile build mode.
+set(CMAKE_EXE_LINKER_FLAGS_PROFILE "${CMAKE_EXE_LINKER_FLAGS_RELEASE}")
+set(CMAKE_SHARED_LINKER_FLAGS_PROFILE "${CMAKE_SHARED_LINKER_FLAGS_RELEASE}")
+set(CMAKE_C_FLAGS_PROFILE "${CMAKE_C_FLAGS_RELEASE}")
+set(CMAKE_CXX_FLAGS_PROFILE "${CMAKE_CXX_FLAGS_RELEASE}")
+
+# Use Unicode for all projects.
+add_definitions(-DUNICODE -D_UNICODE)
+
+# Compilation settings that should be applied to most targets.
+#
+# Be cautious about adding new options here, as plugins use this function by
+# default. In most cases, you should add new options to specific targets instead
+# of modifying this function.
+function(APPLY_STANDARD_SETTINGS TARGET)
+  target_compile_features(${TARGET} PUBLIC cxx_std_17)
+  target_compile_options(${TARGET} PRIVATE /W4 /WX /wd"4100")
+  target_compile_options(${TARGET} PRIVATE /EHsc)
+  target_compile_definitions(${TARGET} PRIVATE "_HAS_EXCEPTIONS=0")
+  target_compile_definitions(${TARGET} PRIVATE "$<$<CONFIG:Debug>:_DEBUG>")
+endfunction()
+
+# Flutter library and tool build rules.
+set(FLUTTER_MANAGED_DIR "${CMAKE_CURRENT_SOURCE_DIR}/flutter")
+add_subdirectory(${FLUTTER_MANAGED_DIR})
+
+# Application build; see runner/CMakeLists.txt.
+add_subdirectory("runner")
+
+
+# Generated plugin build rules, which manage building the plugins and adding
+# them to the application.
+include(flutter/generated_plugins.cmake)
+
+
+# === Installation ===
+# Support files are copied into place next to the executable, so that it can
+# run in place. This is done instead of making a separate bundle (as on Linux)
+# so that building and running from within Visual Studio will work.
+set(BUILD_BUNDLE_DIR "$<TARGET_FILE_DIR:${BINARY_NAME}>")
+# Make the "install" step default, as it's required to run.
+set(CMAKE_VS_INCLUDE_INSTALL_TO_DEFAULT_BUILD 1)
+if(CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+  set(CMAKE_INSTALL_PREFIX "${BUILD_BUNDLE_DIR}" CACHE PATH "..." FORCE)
+endif()
+
+set(INSTALL_BUNDLE_DATA_DIR "${CMAKE_INSTALL_PREFIX}/data")
+set(INSTALL_BUNDLE_LIB_DIR "${CMAKE_INSTALL_PREFIX}")
+
+install(TARGETS ${BINARY_NAME} RUNTIME DESTINATION "${CMAKE_INSTALL_PREFIX}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_ICU_DATA_FILE}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  COMPONENT Runtime)
+
+install(FILES "${FLUTTER_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+  COMPONENT Runtime)
+
+if(PLUGIN_BUNDLED_LIBRARIES)
+  install(FILES "${PLUGIN_BUNDLED_LIBRARIES}"
+    DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+    COMPONENT Runtime)
+endif()
+
+# Copy the native assets provided by the build.dart from all packages.
+set(NATIVE_ASSETS_DIR "${PROJECT_BUILD_DIR}native_assets/windows/")
+install(DIRECTORY "${NATIVE_ASSETS_DIR}"
+   DESTINATION "${INSTALL_BUNDLE_LIB_DIR}"
+   COMPONENT Runtime)
+
+# Fully re-copy the assets directory on each build to avoid having stale files
+# from a previous install.
+set(FLUTTER_ASSET_DIR_NAME "flutter_assets")
+install(CODE "
+  file(REMOVE_RECURSE \"${INSTALL_BUNDLE_DATA_DIR}/${FLUTTER_ASSET_DIR_NAME}\")
+  " COMPONENT Runtime)
+install(DIRECTORY "${PROJECT_BUILD_DIR}/${FLUTTER_ASSET_DIR_NAME}"
+  DESTINATION "${INSTALL_BUNDLE_DATA_DIR}" COMPONENT Runtime)
+
+# Install the AOT library on non-Debug builds only.
+install(FILES "${AOT_LIBRARY}" DESTINATION "${INSTALL_BUNDLE_DATA_DIR}"
+  CONFIGURATIONS Profile;Release
+  COMPONENT Runtime)
diff --git a/ui/windows/flutter/CMakeLists.txt b/ui/windows/flutter/CMakeLists.txt
new file mode 100644
index 0000000..903f489
--- /dev/null
+++ b/ui/windows/flutter/CMakeLists.txt
@@ -0,0 +1,109 @@
+# This file controls Flutter-level build steps. It should not be edited.
+cmake_minimum_required(VERSION 3.14)
+
+set(EPHEMERAL_DIR "${CMAKE_CURRENT_SOURCE_DIR}/ephemeral")
+
+# Configuration provided via flutter tool.
+include(${EPHEMERAL_DIR}/generated_config.cmake)
+
+# TODO: Move the rest of this into files in ephemeral. See
+# https://github.com/flutter/flutter/issues/57146.
+set(WRAPPER_ROOT "${EPHEMERAL_DIR}/cpp_client_wrapper")
+
+# Set fallback configurations for older versions of the flutter tool.
+if (NOT DEFINED FLUTTER_TARGET_PLATFORM)
+  set(FLUTTER_TARGET_PLATFORM "windows-x64")
+endif()
+
+# === Flutter Library ===
+set(FLUTTER_LIBRARY "${EPHEMERAL_DIR}/flutter_windows.dll")
+
+# Published to parent scope for install step.
+set(FLUTTER_LIBRARY ${FLUTTER_LIBRARY} PARENT_SCOPE)
+set(FLUTTER_ICU_DATA_FILE "${EPHEMERAL_DIR}/icudtl.dat" PARENT_SCOPE)
+set(PROJECT_BUILD_DIR "${PROJECT_DIR}/build/" PARENT_SCOPE)
+set(AOT_LIBRARY "${PROJECT_DIR}/build/windows/app.so" PARENT_SCOPE)
+
+list(APPEND FLUTTER_LIBRARY_HEADERS
+  "flutter_export.h"
+  "flutter_windows.h"
+  "flutter_messenger.h"
+  "flutter_plugin_registrar.h"
+  "flutter_texture_registrar.h"
+)
+list(TRANSFORM FLUTTER_LIBRARY_HEADERS PREPEND "${EPHEMERAL_DIR}/")
+add_library(flutter INTERFACE)
+target_include_directories(flutter INTERFACE
+  "${EPHEMERAL_DIR}"
+)
+target_link_libraries(flutter INTERFACE "${FLUTTER_LIBRARY}.lib")
+add_dependencies(flutter flutter_assemble)
+
+# === Wrapper ===
+list(APPEND CPP_WRAPPER_SOURCES_CORE
+  "core_implementations.cc"
+  "standard_codec.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_CORE PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_PLUGIN
+  "plugin_registrar.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_PLUGIN PREPEND "${WRAPPER_ROOT}/")
+list(APPEND CPP_WRAPPER_SOURCES_APP
+  "flutter_engine.cc"
+  "flutter_view_controller.cc"
+)
+list(TRANSFORM CPP_WRAPPER_SOURCES_APP PREPEND "${WRAPPER_ROOT}/")
+
+# Wrapper sources needed for a plugin.
+add_library(flutter_wrapper_plugin STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+)
+apply_standard_settings(flutter_wrapper_plugin)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  POSITION_INDEPENDENT_CODE ON)
+set_target_properties(flutter_wrapper_plugin PROPERTIES
+  CXX_VISIBILITY_PRESET hidden)
+target_link_libraries(flutter_wrapper_plugin PUBLIC flutter)
+target_include_directories(flutter_wrapper_plugin PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_plugin flutter_assemble)
+
+# Wrapper sources needed for the runner.
+add_library(flutter_wrapper_app STATIC
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_APP}
+)
+apply_standard_settings(flutter_wrapper_app)
+target_link_libraries(flutter_wrapper_app PUBLIC flutter)
+target_include_directories(flutter_wrapper_app PUBLIC
+  "${WRAPPER_ROOT}/include"
+)
+add_dependencies(flutter_wrapper_app flutter_assemble)
+
+# === Flutter tool backend ===
+# _phony_ is a non-existent file to force this command to run every time,
+# since currently there's no way to get a full input/output list from the
+# flutter tool.
+set(PHONY_OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/_phony_")
+set_source_files_properties("${PHONY_OUTPUT}" PROPERTIES SYMBOLIC TRUE)
+add_custom_command(
+  OUTPUT ${FLUTTER_LIBRARY} ${FLUTTER_LIBRARY_HEADERS}
+    ${CPP_WRAPPER_SOURCES_CORE} ${CPP_WRAPPER_SOURCES_PLUGIN}
+    ${CPP_WRAPPER_SOURCES_APP}
+    ${PHONY_OUTPUT}
+  COMMAND ${CMAKE_COMMAND} -E env
+    ${FLUTTER_TOOL_ENVIRONMENT}
+    "${FLUTTER_ROOT}/packages/flutter_tools/bin/tool_backend.bat"
+      ${FLUTTER_TARGET_PLATFORM} $<CONFIG>
+  VERBATIM
+)
+add_custom_target(flutter_assemble DEPENDS
+  "${FLUTTER_LIBRARY}"
+  ${FLUTTER_LIBRARY_HEADERS}
+  ${CPP_WRAPPER_SOURCES_CORE}
+  ${CPP_WRAPPER_SOURCES_PLUGIN}
+  ${CPP_WRAPPER_SOURCES_APP}
+)
diff --git a/ui/windows/flutter/generated_plugin_registrant.cc b/ui/windows/flutter/generated_plugin_registrant.cc
new file mode 100644
index 0000000..4f78848
--- /dev/null
+++ b/ui/windows/flutter/generated_plugin_registrant.cc
@@ -0,0 +1,14 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#include "generated_plugin_registrant.h"
+
+#include <url_launcher_windows/url_launcher_windows.h>
+
+void RegisterPlugins(flutter::PluginRegistry* registry) {
+  UrlLauncherWindowsRegisterWithRegistrar(
+      registry->GetRegistrarForPlugin("UrlLauncherWindows"));
+}
diff --git a/ui/windows/flutter/generated_plugin_registrant.h b/ui/windows/flutter/generated_plugin_registrant.h
new file mode 100644
index 0000000..dc139d8
--- /dev/null
+++ b/ui/windows/flutter/generated_plugin_registrant.h
@@ -0,0 +1,15 @@
+//
+//  Generated file. Do not edit.
+//
+
+// clang-format off
+
+#ifndef GENERATED_PLUGIN_REGISTRANT_
+#define GENERATED_PLUGIN_REGISTRANT_
+
+#include <flutter/plugin_registry.h>
+
+// Registers Flutter plugins.
+void RegisterPlugins(flutter::PluginRegistry* registry);
+
+#endif  // GENERATED_PLUGIN_REGISTRANT_
diff --git a/ui/windows/flutter/generated_plugins.cmake b/ui/windows/flutter/generated_plugins.cmake
new file mode 100644
index 0000000..88b22e5
--- /dev/null
+++ b/ui/windows/flutter/generated_plugins.cmake
@@ -0,0 +1,24 @@
+#
+# Generated file, do not edit.
+#
+
+list(APPEND FLUTTER_PLUGIN_LIST
+  url_launcher_windows
+)
+
+list(APPEND FLUTTER_FFI_PLUGIN_LIST
+)
+
+set(PLUGIN_BUNDLED_LIBRARIES)
+
+foreach(plugin ${FLUTTER_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${plugin}/windows plugins/${plugin})
+  target_link_libraries(${BINARY_NAME} PRIVATE ${plugin}_plugin)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES $<TARGET_FILE:${plugin}_plugin>)
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${plugin}_bundled_libraries})
+endforeach(plugin)
+
+foreach(ffi_plugin ${FLUTTER_FFI_PLUGIN_LIST})
+  add_subdirectory(flutter/ephemeral/.plugin_symlinks/${ffi_plugin}/windows plugins/${ffi_plugin})
+  list(APPEND PLUGIN_BUNDLED_LIBRARIES ${${ffi_plugin}_bundled_libraries})
+endforeach(ffi_plugin)
diff --git a/ui/windows/runner/CMakeLists.txt b/ui/windows/runner/CMakeLists.txt
new file mode 100644
index 0000000..394917c
--- /dev/null
+++ b/ui/windows/runner/CMakeLists.txt
@@ -0,0 +1,40 @@
+cmake_minimum_required(VERSION 3.14)
+project(runner LANGUAGES CXX)
+
+# Define the application target. To change its name, change BINARY_NAME in the
+# top-level CMakeLists.txt, not the value here, or `flutter run` will no longer
+# work.
+#
+# Any new source files that you add to the application should be added here.
+add_executable(${BINARY_NAME} WIN32
+  "flutter_window.cpp"
+  "main.cpp"
+  "utils.cpp"
+  "win32_window.cpp"
+  "${FLUTTER_MANAGED_DIR}/generated_plugin_registrant.cc"
+  "Runner.rc"
+  "runner.exe.manifest"
+)
+
+# Apply the standard set of build settings. This can be removed for applications
+# that need different build settings.
+apply_standard_settings(${BINARY_NAME})
+
+# Add preprocessor definitions for the build version.
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION=\"${FLUTTER_VERSION}\"")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MAJOR=${FLUTTER_VERSION_MAJOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_MINOR=${FLUTTER_VERSION_MINOR}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_PATCH=${FLUTTER_VERSION_PATCH}")
+target_compile_definitions(${BINARY_NAME} PRIVATE "FLUTTER_VERSION_BUILD=${FLUTTER_VERSION_BUILD}")
+
+# Disable Windows macros that collide with C++ standard library functions.
+target_compile_definitions(${BINARY_NAME} PRIVATE "NOMINMAX")
+
+# Add dependency libraries and include directories. Add any application-specific
+# dependencies here.
+target_link_libraries(${BINARY_NAME} PRIVATE flutter flutter_wrapper_app)
+target_link_libraries(${BINARY_NAME} PRIVATE "dwmapi.lib")
+target_include_directories(${BINARY_NAME} PRIVATE "${CMAKE_SOURCE_DIR}")
+
+# Run the Flutter tool portions of the build. This must not be removed.
+add_dependencies(${BINARY_NAME} flutter_assemble)
diff --git a/ui/windows/runner/Runner.rc b/ui/windows/runner/Runner.rc
new file mode 100644
index 0000000..132ebe8
--- /dev/null
+++ b/ui/windows/runner/Runner.rc
@@ -0,0 +1,121 @@
+// Microsoft Visual C++ generated resource script.
+//
+#pragma code_page(65001)
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "winres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (United States) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENU)
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_US
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE
+BEGIN
+    "resource.h\0"
+END
+
+2 TEXTINCLUDE
+BEGIN
+    "#include ""winres.h""\r\n"
+    "\0"
+END
+
+3 TEXTINCLUDE
+BEGIN
+    "\r\n"
+    "\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_APP_ICON            ICON                    "resources\\app_icon.ico"
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Version
+//
+
+#if defined(FLUTTER_VERSION_MAJOR) && defined(FLUTTER_VERSION_MINOR) && defined(FLUTTER_VERSION_PATCH) && defined(FLUTTER_VERSION_BUILD)
+#define VERSION_AS_NUMBER FLUTTER_VERSION_MAJOR,FLUTTER_VERSION_MINOR,FLUTTER_VERSION_PATCH,FLUTTER_VERSION_BUILD
+#else
+#define VERSION_AS_NUMBER 1,0,0,0
+#endif
+
+#if defined(FLUTTER_VERSION)
+#define VERSION_AS_STRING FLUTTER_VERSION
+#else
+#define VERSION_AS_STRING "1.0.0"
+#endif
+
+VS_VERSION_INFO VERSIONINFO
+ FILEVERSION VERSION_AS_NUMBER
+ PRODUCTVERSION VERSION_AS_NUMBER
+ FILEFLAGSMASK VS_FFI_FILEFLAGSMASK
+#ifdef _DEBUG
+ FILEFLAGS VS_FF_DEBUG
+#else
+ FILEFLAGS 0x0L
+#endif
+ FILEOS VOS__WINDOWS32
+ FILETYPE VFT_APP
+ FILESUBTYPE 0x0L
+BEGIN
+    BLOCK "StringFileInfo"
+    BEGIN
+        BLOCK "040904e4"
+        BEGIN
+            VALUE "CompanyName", "com.example" "\0"
+            VALUE "FileDescription", "ui" "\0"
+            VALUE "FileVersion", VERSION_AS_STRING "\0"
+            VALUE "InternalName", "ui" "\0"
+            VALUE "LegalCopyright", "Copyright (C) 2025 com.example. All rights reserved." "\0"
+            VALUE "OriginalFilename", "ui.exe" "\0"
+            VALUE "ProductName", "ui" "\0"
+            VALUE "ProductVersion", VERSION_AS_STRING "\0"
+        END
+    END
+    BLOCK "VarFileInfo"
+    BEGIN
+        VALUE "Translation", 0x409, 1252
+    END
+END
+
+#endif    // English (United States) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED
diff --git a/ui/windows/runner/flutter_window.cpp b/ui/windows/runner/flutter_window.cpp
new file mode 100644
index 0000000..955ee30
--- /dev/null
+++ b/ui/windows/runner/flutter_window.cpp
@@ -0,0 +1,71 @@
+#include "flutter_window.h"
+
+#include <optional>
+
+#include "flutter/generated_plugin_registrant.h"
+
+FlutterWindow::FlutterWindow(const flutter::DartProject& project)
+    : project_(project) {}
+
+FlutterWindow::~FlutterWindow() {}
+
+bool FlutterWindow::OnCreate() {
+  if (!Win32Window::OnCreate()) {
+    return false;
+  }
+
+  RECT frame = GetClientArea();
+
+  // The size here must match the window dimensions to avoid unnecessary surface
+  // creation / destruction in the startup path.
+  flutter_controller_ = std::make_unique<flutter::FlutterViewController>(
+      frame.right - frame.left, frame.bottom - frame.top, project_);
+  // Ensure that basic setup of the controller was successful.
+  if (!flutter_controller_->engine() || !flutter_controller_->view()) {
+    return false;
+  }
+  RegisterPlugins(flutter_controller_->engine());
+  SetChildContent(flutter_controller_->view()->GetNativeWindow());
+
+  flutter_controller_->engine()->SetNextFrameCallback([&]() {
+    this->Show();
+  });
+
+  // Flutter can complete the first frame before the "show window" callback is
+  // registered. The following call ensures a frame is pending to ensure the
+  // window is shown. It is a no-op if the first frame hasn't completed yet.
+  flutter_controller_->ForceRedraw();
+
+  return true;
+}
+
+void FlutterWindow::OnDestroy() {
+  if (flutter_controller_) {
+    flutter_controller_ = nullptr;
+  }
+
+  Win32Window::OnDestroy();
+}
+
+LRESULT
+FlutterWindow::MessageHandler(HWND hwnd, UINT const message,
+                              WPARAM const wparam,
+                              LPARAM const lparam) noexcept {
+  // Give Flutter, including plugins, an opportunity to handle window messages.
+  if (flutter_controller_) {
+    std::optional<LRESULT> result =
+        flutter_controller_->HandleTopLevelWindowProc(hwnd, message, wparam,
+                                                      lparam);
+    if (result) {
+      return *result;
+    }
+  }
+
+  switch (message) {
+    case WM_FONTCHANGE:
+      flutter_controller_->engine()->ReloadSystemFonts();
+      break;
+  }
+
+  return Win32Window::MessageHandler(hwnd, message, wparam, lparam);
+}
diff --git a/ui/windows/runner/flutter_window.h b/ui/windows/runner/flutter_window.h
new file mode 100644
index 0000000..6da0652
--- /dev/null
+++ b/ui/windows/runner/flutter_window.h
@@ -0,0 +1,33 @@
+#ifndef RUNNER_FLUTTER_WINDOW_H_
+#define RUNNER_FLUTTER_WINDOW_H_
+
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+
+#include <memory>
+
+#include "win32_window.h"
+
+// A window that does nothing but host a Flutter view.
+class FlutterWindow : public Win32Window {
+ public:
+  // Creates a new FlutterWindow hosting a Flutter view running |project|.
+  explicit FlutterWindow(const flutter::DartProject& project);
+  virtual ~FlutterWindow();
+
+ protected:
+  // Win32Window:
+  bool OnCreate() override;
+  void OnDestroy() override;
+  LRESULT MessageHandler(HWND window, UINT const message, WPARAM const wparam,
+                         LPARAM const lparam) noexcept override;
+
+ private:
+  // The project to run.
+  flutter::DartProject project_;
+
+  // The Flutter instance hosted by this window.
+  std::unique_ptr<flutter::FlutterViewController> flutter_controller_;
+};
+
+#endif  // RUNNER_FLUTTER_WINDOW_H_
diff --git a/ui/windows/runner/main.cpp b/ui/windows/runner/main.cpp
new file mode 100644
index 0000000..afa1f78
--- /dev/null
+++ b/ui/windows/runner/main.cpp
@@ -0,0 +1,43 @@
+#include <flutter/dart_project.h>
+#include <flutter/flutter_view_controller.h>
+#include <windows.h>
+
+#include "flutter_window.h"
+#include "utils.h"
+
+int APIENTRY wWinMain(_In_ HINSTANCE instance, _In_opt_ HINSTANCE prev,
+                      _In_ wchar_t *command_line, _In_ int show_command) {
+  // Attach to console when present (e.g., 'flutter run') or create a
+  // new console when running with a debugger.
+  if (!::AttachConsole(ATTACH_PARENT_PROCESS) && ::IsDebuggerPresent()) {
+    CreateAndAttachConsole();
+  }
+
+  // Initialize COM, so that it is available for use in the library and/or
+  // plugins.
+  ::CoInitializeEx(nullptr, COINIT_APARTMENTTHREADED);
+
+  flutter::DartProject project(L"data");
+
+  std::vector<std::string> command_line_arguments =
+      GetCommandLineArguments();
+
+  project.set_dart_entrypoint_arguments(std::move(command_line_arguments));
+
+  FlutterWindow window(project);
+  Win32Window::Point origin(10, 10);
+  Win32Window::Size size(1280, 720);
+  if (!window.Create(L"ui", origin, size)) {
+    return EXIT_FAILURE;
+  }
+  window.SetQuitOnClose(true);
+
+  ::MSG msg;
+  while (::GetMessage(&msg, nullptr, 0, 0)) {
+    ::TranslateMessage(&msg);
+    ::DispatchMessage(&msg);
+  }
+
+  ::CoUninitialize();
+  return EXIT_SUCCESS;
+}
diff --git a/ui/windows/runner/resource.h b/ui/windows/runner/resource.h
new file mode 100644
index 0000000..66a65d1
--- /dev/null
+++ b/ui/windows/runner/resource.h
@@ -0,0 +1,16 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by Runner.rc
+//
+#define IDI_APP_ICON                    101
+
+// Next default values for new objects
+//
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        102
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1001
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif
diff --git a/ui/windows/runner/resources/app_icon.ico b/ui/windows/runner/resources/app_icon.ico
new file mode 100644
index 0000000..c04e20c
Binary files /dev/null and b/ui/windows/runner/resources/app_icon.ico differ
diff --git a/ui/windows/runner/runner.exe.manifest b/ui/windows/runner/runner.exe.manifest
new file mode 100644
index 0000000..153653e
--- /dev/null
+++ b/ui/windows/runner/runner.exe.manifest
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
+<assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
+  <application xmlns="urn:schemas-microsoft-com:asm.v3">
+    <windowsSettings>
+      <dpiAwareness xmlns="http://schemas.microsoft.com/SMI/2016/WindowsSettings">PerMonitorV2</dpiAwareness>
+    </windowsSettings>
+  </application>
+  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
+    <application>
+      <!-- Windows 10 and Windows 11 -->
+      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}"/>
+    </application>
+  </compatibility>
+</assembly>
diff --git a/ui/windows/runner/utils.cpp b/ui/windows/runner/utils.cpp
new file mode 100644
index 0000000..3a0b465
--- /dev/null
+++ b/ui/windows/runner/utils.cpp
@@ -0,0 +1,65 @@
+#include "utils.h"
+
+#include <flutter_windows.h>
+#include <io.h>
+#include <stdio.h>
+#include <windows.h>
+
+#include <iostream>
+
+void CreateAndAttachConsole() {
+  if (::AllocConsole()) {
+    FILE *unused;
+    if (freopen_s(&unused, "CONOUT$", "w", stdout)) {
+      _dup2(_fileno(stdout), 1);
+    }
+    if (freopen_s(&unused, "CONOUT$", "w", stderr)) {
+      _dup2(_fileno(stdout), 2);
+    }
+    std::ios::sync_with_stdio();
+    FlutterDesktopResyncOutputStreams();
+  }
+}
+
+std::vector<std::string> GetCommandLineArguments() {
+  // Convert the UTF-16 command line arguments to UTF-8 for the Engine to use.
+  int argc;
+  wchar_t** argv = ::CommandLineToArgvW(::GetCommandLineW(), &argc);
+  if (argv == nullptr) {
+    return std::vector<std::string>();
+  }
+
+  std::vector<std::string> command_line_arguments;
+
+  // Skip the first argument as it's the binary name.
+  for (int i = 1; i < argc; i++) {
+    command_line_arguments.push_back(Utf8FromUtf16(argv[i]));
+  }
+
+  ::LocalFree(argv);
+
+  return command_line_arguments;
+}
+
+std::string Utf8FromUtf16(const wchar_t* utf16_string) {
+  if (utf16_string == nullptr) {
+    return std::string();
+  }
+  unsigned int target_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      -1, nullptr, 0, nullptr, nullptr)
+    -1; // remove the trailing null character
+  int input_length = (int)wcslen(utf16_string);
+  std::string utf8_string;
+  if (target_length == 0 || target_length > utf8_string.max_size()) {
+    return utf8_string;
+  }
+  utf8_string.resize(target_length);
+  int converted_length = ::WideCharToMultiByte(
+      CP_UTF8, WC_ERR_INVALID_CHARS, utf16_string,
+      input_length, utf8_string.data(), target_length, nullptr, nullptr);
+  if (converted_length == 0) {
+    return std::string();
+  }
+  return utf8_string;
+}
diff --git a/ui/windows/runner/utils.h b/ui/windows/runner/utils.h
new file mode 100644
index 0000000..3879d54
--- /dev/null
+++ b/ui/windows/runner/utils.h
@@ -0,0 +1,19 @@
+#ifndef RUNNER_UTILS_H_
+#define RUNNER_UTILS_H_
+
+#include <string>
+#include <vector>
+
+// Creates a console for the process, and redirects stdout and stderr to
+// it for both the runner and the Flutter library.
+void CreateAndAttachConsole();
+
+// Takes a null-terminated wchar_t* encoded in UTF-16 and returns a std::string
+// encoded in UTF-8. Returns an empty std::string on failure.
+std::string Utf8FromUtf16(const wchar_t* utf16_string);
+
+// Gets the command line arguments passed in as a std::vector<std::string>,
+// encoded in UTF-8. Returns an empty std::vector<std::string> on failure.
+std::vector<std::string> GetCommandLineArguments();
+
+#endif  // RUNNER_UTILS_H_
diff --git a/ui/windows/runner/win32_window.cpp b/ui/windows/runner/win32_window.cpp
new file mode 100644
index 0000000..60608d0
--- /dev/null
+++ b/ui/windows/runner/win32_window.cpp
@@ -0,0 +1,288 @@
+#include "win32_window.h"
+
+#include <dwmapi.h>
+#include <flutter_windows.h>
+
+#include "resource.h"
+
+namespace {
+
+/// Window attribute that enables dark mode window decorations.
+///
+/// Redefined in case the developer's machine has a Windows SDK older than
+/// version 10.0.22000.0.
+/// See: https://docs.microsoft.com/windows/win32/api/dwmapi/ne-dwmapi-dwmwindowattribute
+#ifndef DWMWA_USE_IMMERSIVE_DARK_MODE
+#define DWMWA_USE_IMMERSIVE_DARK_MODE 20
+#endif
+
+constexpr const wchar_t kWindowClassName[] = L"FLUTTER_RUNNER_WIN32_WINDOW";
+
+/// Registry key for app theme preference.
+///
+/// A value of 0 indicates apps should use dark mode. A non-zero or missing
+/// value indicates apps should use light mode.
+constexpr const wchar_t kGetPreferredBrightnessRegKey[] =
+  L"Software\\Microsoft\\Windows\\CurrentVersion\\Themes\\Personalize";
+constexpr const wchar_t kGetPreferredBrightnessRegValue[] = L"AppsUseLightTheme";
+
+// The number of Win32Window objects that currently exist.
+static int g_active_window_count = 0;
+
+using EnableNonClientDpiScaling = BOOL __stdcall(HWND hwnd);
+
+// Scale helper to convert logical scaler values to physical using passed in
+// scale factor
+int Scale(int source, double scale_factor) {
+  return static_cast<int>(source * scale_factor);
+}
+
+// Dynamically loads the |EnableNonClientDpiScaling| from the User32 module.
+// This API is only needed for PerMonitor V1 awareness mode.
+void EnableFullDpiSupportIfAvailable(HWND hwnd) {
+  HMODULE user32_module = LoadLibraryA("User32.dll");
+  if (!user32_module) {
+    return;
+  }
+  auto enable_non_client_dpi_scaling =
+      reinterpret_cast<EnableNonClientDpiScaling*>(
+          GetProcAddress(user32_module, "EnableNonClientDpiScaling"));
+  if (enable_non_client_dpi_scaling != nullptr) {
+    enable_non_client_dpi_scaling(hwnd);
+  }
+  FreeLibrary(user32_module);
+}
+
+}  // namespace
+
+// Manages the Win32Window's window class registration.
+class WindowClassRegistrar {
+ public:
+  ~WindowClassRegistrar() = default;
+
+  // Returns the singleton registrar instance.
+  static WindowClassRegistrar* GetInstance() {
+    if (!instance_) {
+      instance_ = new WindowClassRegistrar();
+    }
+    return instance_;
+  }
+
+  // Returns the name of the window class, registering the class if it hasn't
+  // previously been registered.
+  const wchar_t* GetWindowClass();
+
+  // Unregisters the window class. Should only be called if there are no
+  // instances of the window.
+  void UnregisterWindowClass();
+
+ private:
+  WindowClassRegistrar() = default;
+
+  static WindowClassRegistrar* instance_;
+
+  bool class_registered_ = false;
+};
+
+WindowClassRegistrar* WindowClassRegistrar::instance_ = nullptr;
+
+const wchar_t* WindowClassRegistrar::GetWindowClass() {
+  if (!class_registered_) {
+    WNDCLASS window_class{};
+    window_class.hCursor = LoadCursor(nullptr, IDC_ARROW);
+    window_class.lpszClassName = kWindowClassName;
+    window_class.style = CS_HREDRAW | CS_VREDRAW;
+    window_class.cbClsExtra = 0;
+    window_class.cbWndExtra = 0;
+    window_class.hInstance = GetModuleHandle(nullptr);
+    window_class.hIcon =
+        LoadIcon(window_class.hInstance, MAKEINTRESOURCE(IDI_APP_ICON));
+    window_class.hbrBackground = 0;
+    window_class.lpszMenuName = nullptr;
+    window_class.lpfnWndProc = Win32Window::WndProc;
+    RegisterClass(&window_class);
+    class_registered_ = true;
+  }
+  return kWindowClassName;
+}
+
+void WindowClassRegistrar::UnregisterWindowClass() {
+  UnregisterClass(kWindowClassName, nullptr);
+  class_registered_ = false;
+}
+
+Win32Window::Win32Window() {
+  ++g_active_window_count;
+}
+
+Win32Window::~Win32Window() {
+  --g_active_window_count;
+  Destroy();
+}
+
+bool Win32Window::Create(const std::wstring& title,
+                         const Point& origin,
+                         const Size& size) {
+  Destroy();
+
+  const wchar_t* window_class =
+      WindowClassRegistrar::GetInstance()->GetWindowClass();
+
+  const POINT target_point = {static_cast<LONG>(origin.x),
+                              static_cast<LONG>(origin.y)};
+  HMONITOR monitor = MonitorFromPoint(target_point, MONITOR_DEFAULTTONEAREST);
+  UINT dpi = FlutterDesktopGetDpiForMonitor(monitor);
+  double scale_factor = dpi / 96.0;
+
+  HWND window = CreateWindow(
+      window_class, title.c_str(), WS_OVERLAPPEDWINDOW,
+      Scale(origin.x, scale_factor), Scale(origin.y, scale_factor),
+      Scale(size.width, scale_factor), Scale(size.height, scale_factor),
+      nullptr, nullptr, GetModuleHandle(nullptr), this);
+
+  if (!window) {
+    return false;
+  }
+
+  UpdateTheme(window);
+
+  return OnCreate();
+}
+
+bool Win32Window::Show() {
+  return ShowWindow(window_handle_, SW_SHOWNORMAL);
+}
+
+// static
+LRESULT CALLBACK Win32Window::WndProc(HWND const window,
+                                      UINT const message,
+                                      WPARAM const wparam,
+                                      LPARAM const lparam) noexcept {
+  if (message == WM_NCCREATE) {
+    auto window_struct = reinterpret_cast<CREATESTRUCT*>(lparam);
+    SetWindowLongPtr(window, GWLP_USERDATA,
+                     reinterpret_cast<LONG_PTR>(window_struct->lpCreateParams));
+
+    auto that = static_cast<Win32Window*>(window_struct->lpCreateParams);
+    EnableFullDpiSupportIfAvailable(window);
+    that->window_handle_ = window;
+  } else if (Win32Window* that = GetThisFromHandle(window)) {
+    return that->MessageHandler(window, message, wparam, lparam);
+  }
+
+  return DefWindowProc(window, message, wparam, lparam);
+}
+
+LRESULT
+Win32Window::MessageHandler(HWND hwnd,
+                            UINT const message,
+                            WPARAM const wparam,
+                            LPARAM const lparam) noexcept {
+  switch (message) {
+    case WM_DESTROY:
+      window_handle_ = nullptr;
+      Destroy();
+      if (quit_on_close_) {
+        PostQuitMessage(0);
+      }
+      return 0;
+
+    case WM_DPICHANGED: {
+      auto newRectSize = reinterpret_cast<RECT*>(lparam);
+      LONG newWidth = newRectSize->right - newRectSize->left;
+      LONG newHeight = newRectSize->bottom - newRectSize->top;
+
+      SetWindowPos(hwnd, nullptr, newRectSize->left, newRectSize->top, newWidth,
+                   newHeight, SWP_NOZORDER | SWP_NOACTIVATE);
+
+      return 0;
+    }
+    case WM_SIZE: {
+      RECT rect = GetClientArea();
+      if (child_content_ != nullptr) {
+        // Size and position the child window.
+        MoveWindow(child_content_, rect.left, rect.top, rect.right - rect.left,
+                   rect.bottom - rect.top, TRUE);
+      }
+      return 0;
+    }
+
+    case WM_ACTIVATE:
+      if (child_content_ != nullptr) {
+        SetFocus(child_content_);
+      }
+      return 0;
+
+    case WM_DWMCOLORIZATIONCOLORCHANGED:
+      UpdateTheme(hwnd);
+      return 0;
+  }
+
+  return DefWindowProc(window_handle_, message, wparam, lparam);
+}
+
+void Win32Window::Destroy() {
+  OnDestroy();
+
+  if (window_handle_) {
+    DestroyWindow(window_handle_);
+    window_handle_ = nullptr;
+  }
+  if (g_active_window_count == 0) {
+    WindowClassRegistrar::GetInstance()->UnregisterWindowClass();
+  }
+}
+
+Win32Window* Win32Window::GetThisFromHandle(HWND const window) noexcept {
+  return reinterpret_cast<Win32Window*>(
+      GetWindowLongPtr(window, GWLP_USERDATA));
+}
+
+void Win32Window::SetChildContent(HWND content) {
+  child_content_ = content;
+  SetParent(content, window_handle_);
+  RECT frame = GetClientArea();
+
+  MoveWindow(content, frame.left, frame.top, frame.right - frame.left,
+             frame.bottom - frame.top, true);
+
+  SetFocus(child_content_);
+}
+
+RECT Win32Window::GetClientArea() {
+  RECT frame;
+  GetClientRect(window_handle_, &frame);
+  return frame;
+}
+
+HWND Win32Window::GetHandle() {
+  return window_handle_;
+}
+
+void Win32Window::SetQuitOnClose(bool quit_on_close) {
+  quit_on_close_ = quit_on_close;
+}
+
+bool Win32Window::OnCreate() {
+  // No-op; provided for subclasses.
+  return true;
+}
+
+void Win32Window::OnDestroy() {
+  // No-op; provided for subclasses.
+}
+
+void Win32Window::UpdateTheme(HWND const window) {
+  DWORD light_mode;
+  DWORD light_mode_size = sizeof(light_mode);
+  LSTATUS result = RegGetValue(HKEY_CURRENT_USER, kGetPreferredBrightnessRegKey,
+                               kGetPreferredBrightnessRegValue,
+                               RRF_RT_REG_DWORD, nullptr, &light_mode,
+                               &light_mode_size);
+
+  if (result == ERROR_SUCCESS) {
+    BOOL enable_dark_mode = light_mode == 0;
+    DwmSetWindowAttribute(window, DWMWA_USE_IMMERSIVE_DARK_MODE,
+                          &enable_dark_mode, sizeof(enable_dark_mode));
+  }
+}
diff --git a/ui/windows/runner/win32_window.h b/ui/windows/runner/win32_window.h
new file mode 100644
index 0000000..e901dde
--- /dev/null
+++ b/ui/windows/runner/win32_window.h
@@ -0,0 +1,102 @@
+#ifndef RUNNER_WIN32_WINDOW_H_
+#define RUNNER_WIN32_WINDOW_H_
+
+#include <windows.h>
+
+#include <functional>
+#include <memory>
+#include <string>
+
+// A class abstraction for a high DPI-aware Win32 Window. Intended to be
+// inherited from by classes that wish to specialize with custom
+// rendering and input handling
+class Win32Window {
+ public:
+  struct Point {
+    unsigned int x;
+    unsigned int y;
+    Point(unsigned int x, unsigned int y) : x(x), y(y) {}
+  };
+
+  struct Size {
+    unsigned int width;
+    unsigned int height;
+    Size(unsigned int width, unsigned int height)
+        : width(width), height(height) {}
+  };
+
+  Win32Window();
+  virtual ~Win32Window();
+
+  // Creates a win32 window with |title| that is positioned and sized using
+  // |origin| and |size|. New windows are created on the default monitor. Window
+  // sizes are specified to the OS in physical pixels, hence to ensure a
+  // consistent size this function will scale the inputted width and height as
+  // as appropriate for the default monitor. The window is invisible until
+  // |Show| is called. Returns true if the window was created successfully.
+  bool Create(const std::wstring& title, const Point& origin, const Size& size);
+
+  // Show the current window. Returns true if the window was successfully shown.
+  bool Show();
+
+  // Release OS resources associated with window.
+  void Destroy();
+
+  // Inserts |content| into the window tree.
+  void SetChildContent(HWND content);
+
+  // Returns the backing Window handle to enable clients to set icon and other
+  // window properties. Returns nullptr if the window has been destroyed.
+  HWND GetHandle();
+
+  // If true, closing this window will quit the application.
+  void SetQuitOnClose(bool quit_on_close);
+
+  // Return a RECT representing the bounds of the current client area.
+  RECT GetClientArea();
+
+ protected:
+  // Processes and route salient window messages for mouse handling,
+  // size change and DPI. Delegates handling of these to member overloads that
+  // inheriting classes can handle.
+  virtual LRESULT MessageHandler(HWND window,
+                                 UINT const message,
+                                 WPARAM const wparam,
+                                 LPARAM const lparam) noexcept;
+
+  // Called when CreateAndShow is called, allowing subclass window-related
+  // setup. Subclasses should return false if setup fails.
+  virtual bool OnCreate();
+
+  // Called when Destroy is called.
+  virtual void OnDestroy();
+
+ private:
+  friend class WindowClassRegistrar;
+
+  // OS callback called by message pump. Handles the WM_NCCREATE message which
+  // is passed when the non-client area is being created and enables automatic
+  // non-client DPI scaling so that the non-client area automatically
+  // responds to changes in DPI. All other messages are handled by
+  // MessageHandler.
+  static LRESULT CALLBACK WndProc(HWND const window,
+                                  UINT const message,
+                                  WPARAM const wparam,
+                                  LPARAM const lparam) noexcept;
+
+  // Retrieves a class instance pointer for |window|
+  static Win32Window* GetThisFromHandle(HWND const window) noexcept;
+
+  // Update the window frame's theme to match the system theme.
+  static void UpdateTheme(HWND const window);
+
+  bool quit_on_close_ = false;
+
+  // window handle for top level window.
+  HWND window_handle_ = nullptr;
+
+  // window handle for hosted content.
+  HWND child_content_ = nullptr;
+};
+
+#endif  // RUNNER_WIN32_WINDOW_H_