From 02007717a195878c56abd5f7b4909f3d10f0e1de Mon Sep 17 00:00:00 2001
From: Hayleigh Thompson <me@hayleigh.dev>
Date: Sun, 24 Mar 2024 21:12:12 +0000
Subject: :recycle: Update examples to use new lustre_dev_tools package.

---
 examples/01-hello-world/README.md               | 24 +++++++++---------------
 examples/01-hello-world/gleam.toml              |  1 +
 examples/01-hello-world/manifest.toml           | 19 ++++++++++---------
 examples/01-hello-world/src/app.gleam           |  4 ++--
 examples/02-interactivity/README.md             |  8 --------
 examples/02-interactivity/gleam.toml            |  1 +
 examples/02-interactivity/manifest.toml         | 19 ++++++++++---------
 examples/02-interactivity/src/app.gleam         |  4 ++--
 examples/03-controlled-inputs/README.md         |  8 --------
 examples/03-controlled-inputs/gleam.toml        |  1 +
 examples/03-controlled-inputs/manifest.toml     | 19 ++++++++++---------
 examples/03-controlled-inputs/src/app.gleam     |  4 ++--
 examples/04-custom-event-handlers/README.md     | 20 ++++++++------------
 examples/04-custom-event-handlers/gleam.toml    |  3 ++-
 examples/04-custom-event-handlers/manifest.toml | 23 ++++++++++++-----------
 examples/04-custom-event-handlers/src/app.gleam |  4 ++--
 examples/05-http-requests/README.md             |  4 +---
 examples/05-http-requests/gleam.toml            |  3 ++-
 examples/05-http-requests/manifest.toml         | 17 +++++++++--------
 examples/05-http-requests/src/app.gleam         |  8 +++-----
 examples/06-custom-effects/README.md            |  8 --------
 examples/06-custom-effects/gleam.toml           |  1 +
 examples/06-custom-effects/manifest.toml        | 19 ++++++++++---------
 23 files changed, 98 insertions(+), 124 deletions(-)

diff --git a/examples/01-hello-world/README.md b/examples/01-hello-world/README.md
index c7b5bbc..6e99205 100644
--- a/examples/01-hello-world/README.md
+++ b/examples/01-hello-world/README.md
@@ -2,10 +2,6 @@
 
 # 01 Hello World
 
-> **Note**: this guide is written for Lustre v4. The latest stable release of
-> Lustre is v3. To follow along with this guide, you need to _manually_ edit your
-> `gleam.toml` and change the required version of lustre to `"4.0.0-rc.2"`.
-
 This hello world example is a tiny example of what you need to put together to
 get a Lustre application running. In later examples we'll touch on server-side
 rendering and Lustre Universal Components but for these first examples we'll
@@ -58,10 +54,11 @@ import lustre/element/html.{div, p}
 
 ## Seeing the result
 
-Lustre ships with a simple development server to help you look through these
-examples or get started with your own apps quickly. You can run
-`gleam run -m lustre dev` in any of these examples to start this development
-server and head over to `localhost:1234` to see what it produces.
+Lustre has a companion package containing development tooling called
+[lustre_dev_tools](https://hexdocs.pm/lustre_dev_tools/). It's already included
+in this and all the other example. You can run `gleam run -m lustre/dev start`
+in any of these examples to start a development server and head over to
+`localhost:1234` to see what it produces.
 
 ### Enabling lustre/ui
 
@@ -71,21 +68,18 @@ with Lustre ASAP. Each of these examples have been written to use elements from
 that package.
 
 Lustre's development server can be configured to include the `lustre/ui` stylesheet
-by passing the `--use-lustre-ui` flag:
+by passing the `--use-example-styles` flag:
 
 ```sh
-$ gleam run -m lustre dev --use-lustre-ui
+gleam run -m lustre/dev start --use-example-styles
 ```
 
 It's not necessary to use `lustre/ui` to use Lustre or to check out any of these
-examples, but the option is there if you want it.
+examples, but we've built these examples using the package so things look a little
+more interesting.
 
 ## Getting help
 
 If you're having trouble with Lustre or not sure what the right way to do
 something is, the best place to get help is the [Gleam Discord server](https://discord.gg/Fm8Pwmy).
 You could also open an issue on the [Lustre GitHub repository](https://github.com/lustre-labs/lustre/issues).
-
-While our docs are still a work in progress, the official [Elm guide](https://guide.elm-lang.org)
-is also a great resource for learning about the Model-View-Update architecture
-and the kinds of patterns that Lustre is built around.
diff --git a/examples/01-hello-world/gleam.toml b/examples/01-hello-world/gleam.toml
index a9666db..da014ee 100644
--- a/examples/01-hello-world/gleam.toml
+++ b/examples/01-hello-world/gleam.toml
@@ -9,3 +9,4 @@ lustre_ui = "~> 0.4"
 
 [dev-dependencies]
 gleeunit = "~> 1.0"
+lustre_dev_tools = "~> 1.0"
diff --git a/examples/01-hello-world/manifest.toml b/examples/01-hello-world/manifest.toml
index 9352c3c..b2dead1 100644
--- a/examples/01-hello-world/manifest.toml
+++ b/examples/01-hello-world/manifest.toml
@@ -2,23 +2,23 @@
 # You typically do not need to edit this file
 
 packages = [
-  { name = "argv", version = "1.0.1", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "A6E9009E50BBE863EB37D963E4315398D41A3D87D0075480FC244125808F964A" },
-  { name = "filepath", version = "0.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "FC1B1B29438A5BA6C990F8047A011430BEC0C5BA638BFAA62718C4EAEFE00435" },
+  { name = "argv", version = "1.0.2", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "BA1FF0929525DEBA1CE67256E5ADF77A7CDDFE729E3E3F57A5BDCAA031DED09D" },
+  { name = "filepath", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "EFB6FF65C98B2A16378ABC3EE2B14124168C0CE5201553DE652E2644DCFDB594" },
   { name = "gleam_community_ansi", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "FE79E08BF97009729259B6357EC058315B6FBB916FAD1C2FF9355115FEB0D3A4" },
-  { name = "gleam_community_colour", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "A49A5E3AE8B637A5ACBA80ECB9B1AFE89FD3D5351FF6410A42B84F666D40D7D5" },
-  { name = "gleam_erlang", version = "0.24.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "26BDB52E61889F56A291CB34167315780EE4AA20961917314446542C90D1C1A0" },
+  { name = "gleam_community_colour", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "795964217EBEDB3DA656F5EB8F67D7AD22872EB95182042D3E7AFEF32D3FD2FE" },
+  { name = "gleam_erlang", version = "0.25.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "054D571A7092D2A9727B3E5D183B7507DAB0DA41556EC9133606F09C15497373" },
   { name = "gleam_json", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "thoas"], otp_app = "gleam_json", source = "hex", outer_checksum = "8B197DD5D578EA6AC2C0D4BDC634C71A5BCA8E7DB5F47091C263ECB411A60DF3" },
   { name = "gleam_otp", version = "0.10.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "0B04FE915ACECE539B317F9652CAADBBC0F000184D586AAAF2D94C100945D72B" },
   { name = "gleam_package_interface", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_package_interface", source = "hex", outer_checksum = "52A721BCA972C8099BB881195D821AAA64B9F2655BECC102165D5A1097731F01" },
   { name = "gleam_stdlib", version = "0.36.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "C0D14D807FEC6F8A08A7C9EF8DFDE6AE5C10E40E21325B2B29365965D82EB3D4" },
   { name = "glearray", version = "0.2.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "glearray", source = "hex", outer_checksum = "908154F695D330E06A37FAB2C04119E8F315D643206F8F32B6A6C14A8709FFF4" },
   { name = "gleeunit", version = "1.0.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "D364C87AFEB26BDB4FB8A5ABDE67D635DC9FA52D6AB68416044C35B096C6882D" },
-  { name = "glint", version = "0.16.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "61B7E85CBB0CCD2FD8A9C7AE06CA97A80BF6537716F34362A39DF9C74967BBBC" },
-  { name = "justin", version = "1.0.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "justin", source = "hex", outer_checksum = "7FA0C6DB78640C6DC5FBFD59BF3456009F3F8B485BF6825E97E1EB44E9A1E2CD" },
-  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_package_interface", "gleam_stdlib", "glint", "justin", "simplifile", "spinner", "tom"], source = "local", path = "../.." },
-  { name = "lustre_ui", version = "0.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "9FE07E26EABDB13F7CB29F90AD8763618040729BF16E5F451A6ED584C52AA093" },
+  { name = "glint", version = "0.18.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "BB0F14643CC51C069A5DC6E9082EAFCD9967AFD1C9CC408803D1A40A3FD43B54" },
+  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_json", "gleam_otp", "gleam_stdlib"], source = "local", path = "../.." },
+  { name = "lustre_dev_tools", version = "1.0.0", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_package_interface", "gleam_stdlib", "glint", "simplifile", "spinner", "tom"], otp_app = "lustre_dev_tools", source = "hex", outer_checksum = "66142ADDCA3D6C63A89E016CF6C21E07D06D6DC92479325182A07C360BD026D3" },
+  { name = "lustre_ui", version = "0.5.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_json", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "7ECB5414BE926082401891C62FAAA21221FC0B7A2F0568A492349F48DC2B02A0" },
   { name = "repeatedly", version = "2.1.1", build_tools = ["gleam"], requirements = [], otp_app = "repeatedly", source = "hex", outer_checksum = "38808C3EC382B0CD981336D5879C24ECB37FCB9C1D1BD128F7A80B0F74404D79" },
-  { name = "simplifile", version = "1.5.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "EB9AA8E65E5C1E3E0FDCFC81BC363FD433CB122D7D062750FFDF24DE4AC40116" },
+  { name = "simplifile", version = "1.5.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "C44DB387524F90DC42142699C78C850003289D32C7C99C7D32873792A299CDF7" },
   { name = "snag", version = "0.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "snag", source = "hex", outer_checksum = "54D32E16E33655346AA3E66CBA7E191DE0A8793D2C05284E3EFB90AD2CE92BCC" },
   { name = "spinner", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_erlang", "gleam_stdlib", "glearray", "repeatedly"], otp_app = "spinner", source = "hex", outer_checksum = "200BA3D4A04D468898E63C0D316E23F526E02514BC46454091975CB5BAE41E8F" },
   { name = "thoas", version = "0.4.1", build_tools = ["rebar3"], requirements = [], otp_app = "thoas", source = "hex", outer_checksum = "4918D50026C073C4AB1388437132C77A6F6F7C8AC43C60C13758CC0ADCE2134E" },
@@ -29,4 +29,5 @@ packages = [
 gleam_stdlib = { version = "~> 0.34 or ~> 1.0" }
 gleeunit = { version = "~> 1.0" }
 lustre = { path = "../../" }
+lustre_dev_tools = { version = "~> 1.0"}
 lustre_ui = { version = "~> 0.4" }
diff --git a/examples/01-hello-world/src/app.gleam b/examples/01-hello-world/src/app.gleam
index 37ea96c..38c1f68 100644
--- a/examples/01-hello-world/src/app.gleam
+++ b/examples/01-hello-world/src/app.gleam
@@ -4,9 +4,9 @@ import lustre/element
 import lustre/element/html
 // These examples are written with `lustre/ui` in mind. They'll work regardless,
 // but to see what `lustre/ui` can do make sure to run each of these examples with
-// the `--use-lustre-ui` flag:
+// the `--use-example-styles` flag:
 //
-//   $ gleam run -m lustre dev --use-lustre-ui
+//   $ gleam run -m lustre/dev start --use-example-styles
 //
 // In your own apps, make sure to add the `lustre/ui` dependency and include the
 // stylesheet somewhere.
diff --git a/examples/02-interactivity/README.md b/examples/02-interactivity/README.md
index 0f654c4..37ebde7 100644
--- a/examples/02-interactivity/README.md
+++ b/examples/02-interactivity/README.md
@@ -2,10 +2,6 @@
 
 # 02 Interactivity
 
-> **Note**: this guide is written for Lustre v4. The latest stable release of
-> Lustre is v3. To follow along with this guide, you need to _manually_ edit your
-> `gleam.toml` and change the required version of lustre to `"4.0.0-rc.2"`.
-
 In this example we show the basic structure of all Lustre applications with a
 classic counter example.
 
@@ -151,7 +147,3 @@ examples!
 If you're having trouble with Lustre or not sure what the right way to do
 something is, the best place to get help is the [Gleam Discord server](https://discord.gg/Fm8Pwmy).
 You could also open an issue on the [Lustre GitHub repository](https://github.com/lustre-labs/lustre/issues).
-
-While our docs are still a work in progress, the official [Elm guide](https://guide.elm-lang.org)
-is also a great resource for learning about the Model-View-Update architecture
-and the kinds of patterns that Lustre is built around.
diff --git a/examples/02-interactivity/gleam.toml b/examples/02-interactivity/gleam.toml
index a9666db..da014ee 100644
--- a/examples/02-interactivity/gleam.toml
+++ b/examples/02-interactivity/gleam.toml
@@ -9,3 +9,4 @@ lustre_ui = "~> 0.4"
 
 [dev-dependencies]
 gleeunit = "~> 1.0"
+lustre_dev_tools = "~> 1.0"
diff --git a/examples/02-interactivity/manifest.toml b/examples/02-interactivity/manifest.toml
index 9352c3c..b2dead1 100644
--- a/examples/02-interactivity/manifest.toml
+++ b/examples/02-interactivity/manifest.toml
@@ -2,23 +2,23 @@
 # You typically do not need to edit this file
 
 packages = [
-  { name = "argv", version = "1.0.1", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "A6E9009E50BBE863EB37D963E4315398D41A3D87D0075480FC244125808F964A" },
-  { name = "filepath", version = "0.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "FC1B1B29438A5BA6C990F8047A011430BEC0C5BA638BFAA62718C4EAEFE00435" },
+  { name = "argv", version = "1.0.2", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "BA1FF0929525DEBA1CE67256E5ADF77A7CDDFE729E3E3F57A5BDCAA031DED09D" },
+  { name = "filepath", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "EFB6FF65C98B2A16378ABC3EE2B14124168C0CE5201553DE652E2644DCFDB594" },
   { name = "gleam_community_ansi", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "FE79E08BF97009729259B6357EC058315B6FBB916FAD1C2FF9355115FEB0D3A4" },
-  { name = "gleam_community_colour", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "A49A5E3AE8B637A5ACBA80ECB9B1AFE89FD3D5351FF6410A42B84F666D40D7D5" },
-  { name = "gleam_erlang", version = "0.24.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "26BDB52E61889F56A291CB34167315780EE4AA20961917314446542C90D1C1A0" },
+  { name = "gleam_community_colour", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "795964217EBEDB3DA656F5EB8F67D7AD22872EB95182042D3E7AFEF32D3FD2FE" },
+  { name = "gleam_erlang", version = "0.25.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "054D571A7092D2A9727B3E5D183B7507DAB0DA41556EC9133606F09C15497373" },
   { name = "gleam_json", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "thoas"], otp_app = "gleam_json", source = "hex", outer_checksum = "8B197DD5D578EA6AC2C0D4BDC634C71A5BCA8E7DB5F47091C263ECB411A60DF3" },
   { name = "gleam_otp", version = "0.10.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "0B04FE915ACECE539B317F9652CAADBBC0F000184D586AAAF2D94C100945D72B" },
   { name = "gleam_package_interface", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_package_interface", source = "hex", outer_checksum = "52A721BCA972C8099BB881195D821AAA64B9F2655BECC102165D5A1097731F01" },
   { name = "gleam_stdlib", version = "0.36.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "C0D14D807FEC6F8A08A7C9EF8DFDE6AE5C10E40E21325B2B29365965D82EB3D4" },
   { name = "glearray", version = "0.2.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "glearray", source = "hex", outer_checksum = "908154F695D330E06A37FAB2C04119E8F315D643206F8F32B6A6C14A8709FFF4" },
   { name = "gleeunit", version = "1.0.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "D364C87AFEB26BDB4FB8A5ABDE67D635DC9FA52D6AB68416044C35B096C6882D" },
-  { name = "glint", version = "0.16.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "61B7E85CBB0CCD2FD8A9C7AE06CA97A80BF6537716F34362A39DF9C74967BBBC" },
-  { name = "justin", version = "1.0.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "justin", source = "hex", outer_checksum = "7FA0C6DB78640C6DC5FBFD59BF3456009F3F8B485BF6825E97E1EB44E9A1E2CD" },
-  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_package_interface", "gleam_stdlib", "glint", "justin", "simplifile", "spinner", "tom"], source = "local", path = "../.." },
-  { name = "lustre_ui", version = "0.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "9FE07E26EABDB13F7CB29F90AD8763618040729BF16E5F451A6ED584C52AA093" },
+  { name = "glint", version = "0.18.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "BB0F14643CC51C069A5DC6E9082EAFCD9967AFD1C9CC408803D1A40A3FD43B54" },
+  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_json", "gleam_otp", "gleam_stdlib"], source = "local", path = "../.." },
+  { name = "lustre_dev_tools", version = "1.0.0", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_package_interface", "gleam_stdlib", "glint", "simplifile", "spinner", "tom"], otp_app = "lustre_dev_tools", source = "hex", outer_checksum = "66142ADDCA3D6C63A89E016CF6C21E07D06D6DC92479325182A07C360BD026D3" },
+  { name = "lustre_ui", version = "0.5.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_json", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "7ECB5414BE926082401891C62FAAA21221FC0B7A2F0568A492349F48DC2B02A0" },
   { name = "repeatedly", version = "2.1.1", build_tools = ["gleam"], requirements = [], otp_app = "repeatedly", source = "hex", outer_checksum = "38808C3EC382B0CD981336D5879C24ECB37FCB9C1D1BD128F7A80B0F74404D79" },
-  { name = "simplifile", version = "1.5.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "EB9AA8E65E5C1E3E0FDCFC81BC363FD433CB122D7D062750FFDF24DE4AC40116" },
+  { name = "simplifile", version = "1.5.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "C44DB387524F90DC42142699C78C850003289D32C7C99C7D32873792A299CDF7" },
   { name = "snag", version = "0.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "snag", source = "hex", outer_checksum = "54D32E16E33655346AA3E66CBA7E191DE0A8793D2C05284E3EFB90AD2CE92BCC" },
   { name = "spinner", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_erlang", "gleam_stdlib", "glearray", "repeatedly"], otp_app = "spinner", source = "hex", outer_checksum = "200BA3D4A04D468898E63C0D316E23F526E02514BC46454091975CB5BAE41E8F" },
   { name = "thoas", version = "0.4.1", build_tools = ["rebar3"], requirements = [], otp_app = "thoas", source = "hex", outer_checksum = "4918D50026C073C4AB1388437132C77A6F6F7C8AC43C60C13758CC0ADCE2134E" },
@@ -29,4 +29,5 @@ packages = [
 gleam_stdlib = { version = "~> 0.34 or ~> 1.0" }
 gleeunit = { version = "~> 1.0" }
 lustre = { path = "../../" }
+lustre_dev_tools = { version = "~> 1.0"}
 lustre_ui = { version = "~> 0.4" }
diff --git a/examples/02-interactivity/src/app.gleam b/examples/02-interactivity/src/app.gleam
index 72d3a58..7bf9c25 100644
--- a/examples/02-interactivity/src/app.gleam
+++ b/examples/02-interactivity/src/app.gleam
@@ -6,9 +6,9 @@ import lustre/element/html
 import lustre/event
 // These examples are written with `lustre/ui` in mind. They'll work regardless,
 // but to see what `lustre/ui` can do make sure to run each of these examples with
-// the `--use-lustre-ui` flag:
+// the `--use-example-styles` flag:
 //
-//   $ gleam run -m lustre dev --use-lustre-ui
+//   $ gleam run -m lustre/dev start --use-example-styles
 //
 // In your own apps, make sure to add the `lustre/ui` dependency and include the
 // stylesheet somewhere.
diff --git a/examples/03-controlled-inputs/README.md b/examples/03-controlled-inputs/README.md
index fcbbb1f..30fda75 100644
--- a/examples/03-controlled-inputs/README.md
+++ b/examples/03-controlled-inputs/README.md
@@ -2,10 +2,6 @@
 
 # 03 Controlled Inputs
 
-> **Note**: this guide is written for Lustre v4. The latest stable release of
-> Lustre is v3. To follow along with this guide, you need to _manually_ edit your
-> `gleam.toml` and change the required version of lustre to `"4.0.0-rc.2"`.
-
 The most common way to handle inputs and other state-holding elements is in a
 _controlled_ way. This means your app's model is the source of truth for that
 element's state, and you update that state based on user input or other events.
@@ -57,7 +53,3 @@ case msg {
 If you're having trouble with Lustre or not sure what the right way to do
 something is, the best place to get help is the [Gleam Discord server](https://discord.gg/Fm8Pwmy).
 You could also open an issue on the [Lustre GitHub repository](https://github.com/lustre-labs/lustre/issues).
-
-While our docs are still a work in progress, the official [Elm guide](https://guide.elm-lang.org)
-is also a great resource for learning about the Model-View-Update architecture
-and the kinds of patterns that Lustre is built around.
diff --git a/examples/03-controlled-inputs/gleam.toml b/examples/03-controlled-inputs/gleam.toml
index a9666db..da014ee 100644
--- a/examples/03-controlled-inputs/gleam.toml
+++ b/examples/03-controlled-inputs/gleam.toml
@@ -9,3 +9,4 @@ lustre_ui = "~> 0.4"
 
 [dev-dependencies]
 gleeunit = "~> 1.0"
+lustre_dev_tools = "~> 1.0"
diff --git a/examples/03-controlled-inputs/manifest.toml b/examples/03-controlled-inputs/manifest.toml
index 9352c3c..b2dead1 100644
--- a/examples/03-controlled-inputs/manifest.toml
+++ b/examples/03-controlled-inputs/manifest.toml
@@ -2,23 +2,23 @@
 # You typically do not need to edit this file
 
 packages = [
-  { name = "argv", version = "1.0.1", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "A6E9009E50BBE863EB37D963E4315398D41A3D87D0075480FC244125808F964A" },
-  { name = "filepath", version = "0.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "FC1B1B29438A5BA6C990F8047A011430BEC0C5BA638BFAA62718C4EAEFE00435" },
+  { name = "argv", version = "1.0.2", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "BA1FF0929525DEBA1CE67256E5ADF77A7CDDFE729E3E3F57A5BDCAA031DED09D" },
+  { name = "filepath", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "EFB6FF65C98B2A16378ABC3EE2B14124168C0CE5201553DE652E2644DCFDB594" },
   { name = "gleam_community_ansi", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "FE79E08BF97009729259B6357EC058315B6FBB916FAD1C2FF9355115FEB0D3A4" },
-  { name = "gleam_community_colour", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "A49A5E3AE8B637A5ACBA80ECB9B1AFE89FD3D5351FF6410A42B84F666D40D7D5" },
-  { name = "gleam_erlang", version = "0.24.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "26BDB52E61889F56A291CB34167315780EE4AA20961917314446542C90D1C1A0" },
+  { name = "gleam_community_colour", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "795964217EBEDB3DA656F5EB8F67D7AD22872EB95182042D3E7AFEF32D3FD2FE" },
+  { name = "gleam_erlang", version = "0.25.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "054D571A7092D2A9727B3E5D183B7507DAB0DA41556EC9133606F09C15497373" },
   { name = "gleam_json", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "thoas"], otp_app = "gleam_json", source = "hex", outer_checksum = "8B197DD5D578EA6AC2C0D4BDC634C71A5BCA8E7DB5F47091C263ECB411A60DF3" },
   { name = "gleam_otp", version = "0.10.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "0B04FE915ACECE539B317F9652CAADBBC0F000184D586AAAF2D94C100945D72B" },
   { name = "gleam_package_interface", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_package_interface", source = "hex", outer_checksum = "52A721BCA972C8099BB881195D821AAA64B9F2655BECC102165D5A1097731F01" },
   { name = "gleam_stdlib", version = "0.36.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "C0D14D807FEC6F8A08A7C9EF8DFDE6AE5C10E40E21325B2B29365965D82EB3D4" },
   { name = "glearray", version = "0.2.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "glearray", source = "hex", outer_checksum = "908154F695D330E06A37FAB2C04119E8F315D643206F8F32B6A6C14A8709FFF4" },
   { name = "gleeunit", version = "1.0.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "D364C87AFEB26BDB4FB8A5ABDE67D635DC9FA52D6AB68416044C35B096C6882D" },
-  { name = "glint", version = "0.16.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "61B7E85CBB0CCD2FD8A9C7AE06CA97A80BF6537716F34362A39DF9C74967BBBC" },
-  { name = "justin", version = "1.0.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "justin", source = "hex", outer_checksum = "7FA0C6DB78640C6DC5FBFD59BF3456009F3F8B485BF6825E97E1EB44E9A1E2CD" },
-  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_package_interface", "gleam_stdlib", "glint", "justin", "simplifile", "spinner", "tom"], source = "local", path = "../.." },
-  { name = "lustre_ui", version = "0.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "9FE07E26EABDB13F7CB29F90AD8763618040729BF16E5F451A6ED584C52AA093" },
+  { name = "glint", version = "0.18.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "BB0F14643CC51C069A5DC6E9082EAFCD9967AFD1C9CC408803D1A40A3FD43B54" },
+  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_json", "gleam_otp", "gleam_stdlib"], source = "local", path = "../.." },
+  { name = "lustre_dev_tools", version = "1.0.0", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_package_interface", "gleam_stdlib", "glint", "simplifile", "spinner", "tom"], otp_app = "lustre_dev_tools", source = "hex", outer_checksum = "66142ADDCA3D6C63A89E016CF6C21E07D06D6DC92479325182A07C360BD026D3" },
+  { name = "lustre_ui", version = "0.5.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_json", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "7ECB5414BE926082401891C62FAAA21221FC0B7A2F0568A492349F48DC2B02A0" },
   { name = "repeatedly", version = "2.1.1", build_tools = ["gleam"], requirements = [], otp_app = "repeatedly", source = "hex", outer_checksum = "38808C3EC382B0CD981336D5879C24ECB37FCB9C1D1BD128F7A80B0F74404D79" },
-  { name = "simplifile", version = "1.5.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "EB9AA8E65E5C1E3E0FDCFC81BC363FD433CB122D7D062750FFDF24DE4AC40116" },
+  { name = "simplifile", version = "1.5.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "C44DB387524F90DC42142699C78C850003289D32C7C99C7D32873792A299CDF7" },
   { name = "snag", version = "0.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "snag", source = "hex", outer_checksum = "54D32E16E33655346AA3E66CBA7E191DE0A8793D2C05284E3EFB90AD2CE92BCC" },
   { name = "spinner", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_erlang", "gleam_stdlib", "glearray", "repeatedly"], otp_app = "spinner", source = "hex", outer_checksum = "200BA3D4A04D468898E63C0D316E23F526E02514BC46454091975CB5BAE41E8F" },
   { name = "thoas", version = "0.4.1", build_tools = ["rebar3"], requirements = [], otp_app = "thoas", source = "hex", outer_checksum = "4918D50026C073C4AB1388437132C77A6F6F7C8AC43C60C13758CC0ADCE2134E" },
@@ -29,4 +29,5 @@ packages = [
 gleam_stdlib = { version = "~> 0.34 or ~> 1.0" }
 gleeunit = { version = "~> 1.0" }
 lustre = { path = "../../" }
+lustre_dev_tools = { version = "~> 1.0"}
 lustre_ui = { version = "~> 0.4" }
diff --git a/examples/03-controlled-inputs/src/app.gleam b/examples/03-controlled-inputs/src/app.gleam
index 2d43170..d3c764e 100644
--- a/examples/03-controlled-inputs/src/app.gleam
+++ b/examples/03-controlled-inputs/src/app.gleam
@@ -6,9 +6,9 @@ import lustre/element.{type Element}
 import lustre/event
 // These examples are written with `lustre/ui` in mind. They'll work regardless,
 // but to see what `lustre/ui` can do make sure to run each of these examples with
-// the `--use-lustre-ui` flag:
+// the `--use-example-styles` flag:
 //
-//   $ gleam run -m lustre try --use-lustre-ui
+//   $ gleam run -m lustre/dev start --use-example-styles
 //
 // In your own apps, make sure to add the `lustre/ui` dependency and include the
 // stylesheet somewhere.
diff --git a/examples/04-custom-event-handlers/README.md b/examples/04-custom-event-handlers/README.md
index 10c6296..a2a09c5 100644
--- a/examples/04-custom-event-handlers/README.md
+++ b/examples/04-custom-event-handlers/README.md
@@ -2,17 +2,13 @@
 
 # 04 Custom Event Handlers
 
-> **Note**: this guide is written for Lustre v4. The latest stable release of
-> Lustre is v3. To follow along with this guide, you need to _manually_ edit your
-> `gleam.toml` and change the required version of lustre to `"4.0.0-rc.2"`.
+While Lustre's built-in event handlers can cover most of your basic needs, in practice you will often need to provide more advanced functionality. For this, we can reach for the `event.on("eventname", handler)` function to generate attributes that can provide custom event handling.
 
-While Lustre's built-in event handlers can cover most of your basic needs, in practice you will often need to provide more advanced functionality. For this, we can reach for the `event.on("eventname", handler)` function to generate attributes that can provide custom event handling. 
-
-But first, let's take a look under the hood to see what event handlers actually _do_. 
+But first, let's take a look under the hood to see what event handlers actually _do_.
 
 ## Decoding Dynamic Data
 
-Lustre is a type-safe framework, but the DOM allows HTML elements to generate events containing values of any arbitrary type and structure. In Gleam, such data is referred to as _dynamic_, and is handled by the `gleam/dynamic` library. `gleam/dynamic` is used for decoding everything from unpredictable JSON input to Lustre's DOM events. 
+Lustre is a type-safe framework, but the DOM allows HTML elements to generate events containing values of any arbitrary type and structure. In Gleam, such data is referred to as _dynamic_, and is handled by the `gleam/dynamic` library. `gleam/dynamic` is used for decoding everything from unpredictable JSON input to Lustre's DOM events.
 
 If you peek at [the gleam\dynamic documentation](https://hexdocs.pm/gleam_stdlib/0.17.1/gleam/dynamic/#module-types), you'll quickly see it exports four types:
 
@@ -38,10 +34,10 @@ Therefore, Lustre event handlers are simply an implementation of the `Decoder` f
 In javascript, input event handlers often look something like this:
 
 ```js
-  function onInput(event) {
-    const input = event.target.value
-    // do your stuff!
-  }
+function onInput(event) {
+  const input = event.target.value;
+  // do your stuff!
+}
 ```
 
 This is very convenient! But it's not type-safe. From the function's perspective, there is no guarantee that _`event`_ is an object with a property named _`target`_ which itself has a property named _`value`_. In a more complex app, we might even pass it a numeric or boolean value on accident. The failure to handle such error conditions leads to many `Uncaught TypeError` crashes.
@@ -59,7 +55,7 @@ Here's how we can extract the event's dynamic value in a type-safe way in Lustre
 
 First we extract the `target` field from our `event`, which is expected to be of the type `dynamic.dynamic`. Because the target is itself dynamic, we can again use the dynamic library to extract its `value` field, which is expected to be of type `dynamic.string`. If either of those expectations are not met, the function will return an error, and nothing more will happen.
 
-This is such a common use case that Lustre's `event` module has a helper function for it. Here is a far less verbose version that provides the exact same type-safe guarantees: 
+This is such a common use case that Lustre's `event` module has a helper function for it. Here is a far less verbose version that provides the exact same type-safe guarantees:
 
 ```gleam
   let on_input = fn(event) {
diff --git a/examples/04-custom-event-handlers/gleam.toml b/examples/04-custom-event-handlers/gleam.toml
index 421e8e8..da014ee 100644
--- a/examples/04-custom-event-handlers/gleam.toml
+++ b/examples/04-custom-event-handlers/gleam.toml
@@ -4,8 +4,9 @@ target = "javascript"
 
 [dependencies]
 gleam_stdlib = "~> 0.34 or ~> 1.0"
-lustre = "4.0.0-rc.1" 
+lustre = { path = "../../" }
 lustre_ui = "~> 0.4"
 
 [dev-dependencies]
 gleeunit = "~> 1.0"
+lustre_dev_tools = "~> 1.0"
diff --git a/examples/04-custom-event-handlers/manifest.toml b/examples/04-custom-event-handlers/manifest.toml
index f3ed2be..b2dead1 100644
--- a/examples/04-custom-event-handlers/manifest.toml
+++ b/examples/04-custom-event-handlers/manifest.toml
@@ -2,23 +2,23 @@
 # You typically do not need to edit this file
 
 packages = [
-  { name = "argv", version = "1.0.1", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "A6E9009E50BBE863EB37D963E4315398D41A3D87D0075480FC244125808F964A" },
-  { name = "filepath", version = "0.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "FC1B1B29438A5BA6C990F8047A011430BEC0C5BA638BFAA62718C4EAEFE00435" },
+  { name = "argv", version = "1.0.2", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "BA1FF0929525DEBA1CE67256E5ADF77A7CDDFE729E3E3F57A5BDCAA031DED09D" },
+  { name = "filepath", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "EFB6FF65C98B2A16378ABC3EE2B14124168C0CE5201553DE652E2644DCFDB594" },
   { name = "gleam_community_ansi", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "FE79E08BF97009729259B6357EC058315B6FBB916FAD1C2FF9355115FEB0D3A4" },
-  { name = "gleam_community_colour", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "A49A5E3AE8B637A5ACBA80ECB9B1AFE89FD3D5351FF6410A42B84F666D40D7D5" },
+  { name = "gleam_community_colour", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "795964217EBEDB3DA656F5EB8F67D7AD22872EB95182042D3E7AFEF32D3FD2FE" },
   { name = "gleam_erlang", version = "0.25.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "054D571A7092D2A9727B3E5D183B7507DAB0DA41556EC9133606F09C15497373" },
-  { name = "gleam_json", version = "0.7.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "thoas"], otp_app = "gleam_json", source = "hex", outer_checksum = "CB405BD93A8828BCD870463DE29375E7B2D252D9D124C109E5B618AAC00B86FC" },
+  { name = "gleam_json", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "thoas"], otp_app = "gleam_json", source = "hex", outer_checksum = "8B197DD5D578EA6AC2C0D4BDC634C71A5BCA8E7DB5F47091C263ECB411A60DF3" },
   { name = "gleam_otp", version = "0.10.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "0B04FE915ACECE539B317F9652CAADBBC0F000184D586AAAF2D94C100945D72B" },
+  { name = "gleam_package_interface", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_package_interface", source = "hex", outer_checksum = "52A721BCA972C8099BB881195D821AAA64B9F2655BECC102165D5A1097731F01" },
   { name = "gleam_stdlib", version = "0.36.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "C0D14D807FEC6F8A08A7C9EF8DFDE6AE5C10E40E21325B2B29365965D82EB3D4" },
   { name = "glearray", version = "0.2.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "glearray", source = "hex", outer_checksum = "908154F695D330E06A37FAB2C04119E8F315D643206F8F32B6A6C14A8709FFF4" },
   { name = "gleeunit", version = "1.0.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "D364C87AFEB26BDB4FB8A5ABDE67D635DC9FA52D6AB68416044C35B096C6882D" },
-  { name = "glint", version = "0.16.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "61B7E85CBB0CCD2FD8A9C7AE06CA97A80BF6537716F34362A39DF9C74967BBBC" },
-  { name = "justin", version = "1.0.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "justin", source = "hex", outer_checksum = "7FA0C6DB78640C6DC5FBFD59BF3456009F3F8B485BF6825E97E1EB44E9A1E2CD" },
-  { name = "lustre", version = "4.0.0-rc1", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_stdlib", "glint", "justin", "shellout", "simplifile", "spinner", "tom"], otp_app = "lustre", source = "hex", outer_checksum = "E49E96AB45A43B0AFDF82B58D727AFB45FF457BEAD2BA158381A8E979F51F604" },
-  { name = "lustre_ui", version = "0.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "9FE07E26EABDB13F7CB29F90AD8763618040729BF16E5F451A6ED584C52AA093" },
+  { name = "glint", version = "0.18.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "BB0F14643CC51C069A5DC6E9082EAFCD9967AFD1C9CC408803D1A40A3FD43B54" },
+  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_json", "gleam_otp", "gleam_stdlib"], source = "local", path = "../.." },
+  { name = "lustre_dev_tools", version = "1.0.0", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_package_interface", "gleam_stdlib", "glint", "simplifile", "spinner", "tom"], otp_app = "lustre_dev_tools", source = "hex", outer_checksum = "66142ADDCA3D6C63A89E016CF6C21E07D06D6DC92479325182A07C360BD026D3" },
+  { name = "lustre_ui", version = "0.5.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_json", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "7ECB5414BE926082401891C62FAAA21221FC0B7A2F0568A492349F48DC2B02A0" },
   { name = "repeatedly", version = "2.1.1", build_tools = ["gleam"], requirements = [], otp_app = "repeatedly", source = "hex", outer_checksum = "38808C3EC382B0CD981336D5879C24ECB37FCB9C1D1BD128F7A80B0F74404D79" },
-  { name = "shellout", version = "1.6.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "shellout", source = "hex", outer_checksum = "E2FCD18957F0E9F67E1F497FC9FF57393392F8A9BAEAEA4779541DE7A68DD7E0" },
-  { name = "simplifile", version = "1.5.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "EB9AA8E65E5C1E3E0FDCFC81BC363FD433CB122D7D062750FFDF24DE4AC40116" },
+  { name = "simplifile", version = "1.5.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "C44DB387524F90DC42142699C78C850003289D32C7C99C7D32873792A299CDF7" },
   { name = "snag", version = "0.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "snag", source = "hex", outer_checksum = "54D32E16E33655346AA3E66CBA7E191DE0A8793D2C05284E3EFB90AD2CE92BCC" },
   { name = "spinner", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_erlang", "gleam_stdlib", "glearray", "repeatedly"], otp_app = "spinner", source = "hex", outer_checksum = "200BA3D4A04D468898E63C0D316E23F526E02514BC46454091975CB5BAE41E8F" },
   { name = "thoas", version = "0.4.1", build_tools = ["rebar3"], requirements = [], otp_app = "thoas", source = "hex", outer_checksum = "4918D50026C073C4AB1388437132C77A6F6F7C8AC43C60C13758CC0ADCE2134E" },
@@ -28,5 +28,6 @@ packages = [
 [requirements]
 gleam_stdlib = { version = "~> 0.34 or ~> 1.0" }
 gleeunit = { version = "~> 1.0" }
-lustre = { version = "4.0.0-rc.1" }
+lustre = { path = "../../" }
+lustre_dev_tools = { version = "~> 1.0"}
 lustre_ui = { version = "~> 0.4" }
diff --git a/examples/04-custom-event-handlers/src/app.gleam b/examples/04-custom-event-handlers/src/app.gleam
index aa9638c..c3f5d0b 100644
--- a/examples/04-custom-event-handlers/src/app.gleam
+++ b/examples/04-custom-event-handlers/src/app.gleam
@@ -8,9 +8,9 @@ import lustre/element.{type Element}
 import lustre/event
 // These examples are written with `lustre/ui` in mind. They'll work regardless,
 // but to see what `lustre/ui` can do make sure to run each of these examples with
-// the `--use-lustre-ui` flag:
+// the `--use-example-styles` flag:
 //
-//   $ gleam run -m lustre dev --use-lustre-ui
+//   $ gleam run -m lustre/dev start --use-example-styles
 //
 // In your own apps, make sure to add the `lustre/ui` dependency and include the
 // stylesheet somewhere.
diff --git a/examples/05-http-requests/README.md b/examples/05-http-requests/README.md
index e94fdbe..3aacfe5 100644
--- a/examples/05-http-requests/README.md
+++ b/examples/05-http-requests/README.md
@@ -2,9 +2,7 @@
 
 # 05 HTTP Requests
 
-> **Note**: this guide is written for Lustre v4. The latest stable release of
-> Lustre is v3. To follow along with this guide, you need to _manually_ edit your
-> `gleam.toml` and change the required version of lustre to `"4.0.0-rc.2"`.
+Up until now, all the logic in our examples has run neatly in a self-contained `Init -> Update 🔁 View` loop. But our applications often need to interact with the outside world, whether through browser APIs or HTTP requests.
 
 Up until now, we've seen Lustre applications constructed with the `lustre.simple`
 constructor. These kinds of applications are great for introducing the Model-View-Update
diff --git a/examples/05-http-requests/gleam.toml b/examples/05-http-requests/gleam.toml
index 3e5031b..535dc7d 100644
--- a/examples/05-http-requests/gleam.toml
+++ b/examples/05-http-requests/gleam.toml
@@ -4,9 +4,10 @@ target = "javascript"
 
 [dependencies]
 gleam_stdlib = "~> 0.34 or ~> 1.0"
-lustre = "4.0.0-rc.1" 
+lustre = { path = "../../" }
 lustre_ui = "~> 0.4"
 lustre_http = "~> 0.5.2"
 
 [dev-dependencies]
 gleeunit = "~> 1.0"
+lustre_dev_tools = "~> 1.0"
diff --git a/examples/05-http-requests/manifest.toml b/examples/05-http-requests/manifest.toml
index c2e423c..57049da 100644
--- a/examples/05-http-requests/manifest.toml
+++ b/examples/05-http-requests/manifest.toml
@@ -3,25 +3,25 @@
 
 packages = [
   { name = "argv", version = "1.0.2", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "BA1FF0929525DEBA1CE67256E5ADF77A7CDDFE729E3E3F57A5BDCAA031DED09D" },
-  { name = "filepath", version = "0.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "FC1B1B29438A5BA6C990F8047A011430BEC0C5BA638BFAA62718C4EAEFE00435" },
+  { name = "filepath", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "EFB6FF65C98B2A16378ABC3EE2B14124168C0CE5201553DE652E2644DCFDB594" },
   { name = "gleam_community_ansi", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "FE79E08BF97009729259B6357EC058315B6FBB916FAD1C2FF9355115FEB0D3A4" },
-  { name = "gleam_community_colour", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "A49A5E3AE8B637A5ACBA80ECB9B1AFE89FD3D5351FF6410A42B84F666D40D7D5" },
+  { name = "gleam_community_colour", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "795964217EBEDB3DA656F5EB8F67D7AD22872EB95182042D3E7AFEF32D3FD2FE" },
   { name = "gleam_erlang", version = "0.25.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "054D571A7092D2A9727B3E5D183B7507DAB0DA41556EC9133606F09C15497373" },
   { name = "gleam_fetch", version = "0.4.0", build_tools = ["gleam"], requirements = ["gleam_http", "gleam_javascript", "gleam_stdlib"], otp_app = "gleam_fetch", source = "hex", outer_checksum = "7446410A44A1D1328F5BC1FF4FC9CBD1570479EA69349237B3F82E34521CCC10" },
   { name = "gleam_http", version = "3.6.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "8C07DF9DF8CC7F054C650839A51C30A7D3C26482AC241C899C1CEA86B22DBE51" },
   { name = "gleam_javascript", version = "0.8.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "14D5B7E1A70681E0776BF0A0357F575B822167960C844D3D3FA114D3A75F05A8" },
   { name = "gleam_json", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib", "thoas"], otp_app = "gleam_json", source = "hex", outer_checksum = "8B197DD5D578EA6AC2C0D4BDC634C71A5BCA8E7DB5F47091C263ECB411A60DF3" },
   { name = "gleam_otp", version = "0.10.0", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_stdlib"], otp_app = "gleam_otp", source = "hex", outer_checksum = "0B04FE915ACECE539B317F9652CAADBBC0F000184D586AAAF2D94C100945D72B" },
+  { name = "gleam_package_interface", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_package_interface", source = "hex", outer_checksum = "52A721BCA972C8099BB881195D821AAA64B9F2655BECC102165D5A1097731F01" },
   { name = "gleam_stdlib", version = "0.36.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "C0D14D807FEC6F8A08A7C9EF8DFDE6AE5C10E40E21325B2B29365965D82EB3D4" },
   { name = "glearray", version = "0.2.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "glearray", source = "hex", outer_checksum = "908154F695D330E06A37FAB2C04119E8F315D643206F8F32B6A6C14A8709FFF4" },
   { name = "gleeunit", version = "1.0.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "D364C87AFEB26BDB4FB8A5ABDE67D635DC9FA52D6AB68416044C35B096C6882D" },
-  { name = "glint", version = "0.16.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "61B7E85CBB0CCD2FD8A9C7AE06CA97A80BF6537716F34362A39DF9C74967BBBC" },
-  { name = "justin", version = "1.0.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "justin", source = "hex", outer_checksum = "7FA0C6DB78640C6DC5FBFD59BF3456009F3F8B485BF6825E97E1EB44E9A1E2CD" },
-  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_stdlib", "glint", "justin", "shellout", "simplifile", "spinner", "tom"], otp_app = "lustre", source = "hex", outer_checksum = "3A603D4333E73D481D9F753D6750DA8AD408C84C66082BA6653B3691C8E17A63" },
+  { name = "glint", version = "0.18.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "BB0F14643CC51C069A5DC6E9082EAFCD9967AFD1C9CC408803D1A40A3FD43B54" },
+  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_json", "gleam_otp", "gleam_stdlib"], source = "local", path = "../.." },
+  { name = "lustre_dev_tools", version = "1.0.0", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_package_interface", "gleam_stdlib", "glint", "simplifile", "spinner", "tom"], otp_app = "lustre_dev_tools", source = "hex", outer_checksum = "66142ADDCA3D6C63A89E016CF6C21E07D06D6DC92479325182A07C360BD026D3" },
   { name = "lustre_http", version = "0.5.2", build_tools = ["gleam"], requirements = ["gleam_fetch", "gleam_http", "gleam_javascript", "gleam_json", "gleam_stdlib", "lustre"], otp_app = "lustre_http", source = "hex", outer_checksum = "FB0478CBFA6B16DBE8ECA326DAE2EC15645E04900595EF2C4F039ABFA0512ABA" },
-  { name = "lustre_ui", version = "0.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "9FE07E26EABDB13F7CB29F90AD8763618040729BF16E5F451A6ED584C52AA093" },
+  { name = "lustre_ui", version = "0.5.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_json", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "7ECB5414BE926082401891C62FAAA21221FC0B7A2F0568A492349F48DC2B02A0" },
   { name = "repeatedly", version = "2.1.1", build_tools = ["gleam"], requirements = [], otp_app = "repeatedly", source = "hex", outer_checksum = "38808C3EC382B0CD981336D5879C24ECB37FCB9C1D1BD128F7A80B0F74404D79" },
-  { name = "shellout", version = "1.6.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "shellout", source = "hex", outer_checksum = "E2FCD18957F0E9F67E1F497FC9FF57393392F8A9BAEAEA4779541DE7A68DD7E0" },
   { name = "simplifile", version = "1.5.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "C44DB387524F90DC42142699C78C850003289D32C7C99C7D32873792A299CDF7" },
   { name = "snag", version = "0.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "snag", source = "hex", outer_checksum = "54D32E16E33655346AA3E66CBA7E191DE0A8793D2C05284E3EFB90AD2CE92BCC" },
   { name = "spinner", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_erlang", "gleam_stdlib", "glearray", "repeatedly"], otp_app = "spinner", source = "hex", outer_checksum = "200BA3D4A04D468898E63C0D316E23F526E02514BC46454091975CB5BAE41E8F" },
@@ -32,6 +32,7 @@ packages = [
 [requirements]
 gleam_stdlib = { version = "~> 0.34 or ~> 1.0" }
 gleeunit = { version = "~> 1.0" }
-lustre = { version = "4.0.0-rc.1" }
+lustre = { path = "../../" }
+lustre_dev_tools = { version = "~> 1.0"}
 lustre_http = { version = "~> 0.5.2" }
 lustre_ui = { version = "~> 0.4" }
diff --git a/examples/05-http-requests/src/app.gleam b/examples/05-http-requests/src/app.gleam
index 9fd518c..04e0af6 100644
--- a/examples/05-http-requests/src/app.gleam
+++ b/examples/05-http-requests/src/app.gleam
@@ -8,15 +8,13 @@ import lustre/element/html
 import lustre/event
 // Lustre_http is a community package that provides a simple API for making
 // HTTP requests from your update function. You can find the docs for the package
-// here:
-//
-//   https://hexdocs.pm/lustre_http/index.html
+// here: https://hexdocs.pm/lustre_http/index.html
 import lustre_http.{type HttpError}
 // These examples are written with `lustre/ui` in mind. They'll work regardless,
 // but to see what `lustre/ui` can do make sure to run each of these examples with
-// the `--use-lustre-ui` flag:
+// the `--use-example-styles` flag:
 //
-//   $ gleam run -m lustre dev --use-lustre-ui
+//   $ gleam run -m lustre/dev start --use-example-styles
 //
 // In your own apps, make sure to add the `lustre/ui` dependency and include the
 // stylesheet somewhere.
diff --git a/examples/06-custom-effects/README.md b/examples/06-custom-effects/README.md
index 3e6abf8..f8ad49f 100644
--- a/examples/06-custom-effects/README.md
+++ b/examples/06-custom-effects/README.md
@@ -1,9 +1,5 @@
 # 06 Custom Effects
 
-> **Note**: this guide is written for Lustre v4. The latest stable release of
-> Lustre is v3. To follow along with this guide, you need to _manually_ edit your
-> `gleam.toml` and change the required version of lustre to `"4.0.0-rc.2"`.
-
 We haven't quite got round to documenting this example yet. If you know a little
 bit about Lustre or Elm and want to help out, we'd love to have your help! Please
 [open an issue](https://github.com/lustre-labs/lustre/issues/new) if you have any
@@ -14,7 +10,3 @@ ideas or reach out to @hayleigh.dev on the [Gleam discord](https://discord.gg/Fm
 If you're having trouble with Lustre or not sure what the right way to do
 something is, the best place to get help is the [Gleam Discord server](https://discord.gg/Fm8Pwmy).
 You could also open an issue on the [Lustre GitHub repository](https://github.com/lustre-labs/lustre/issues).
-
-While our docs are still a work in progress, the official [Elm guide](https://guide.elm-lang.org)
-is also a great resource for learning about the Model-View-Update architecture
-and the kinds of patterns that Lustre is built around.
diff --git a/examples/06-custom-effects/gleam.toml b/examples/06-custom-effects/gleam.toml
index 96b9a10..a573eea 100644
--- a/examples/06-custom-effects/gleam.toml
+++ b/examples/06-custom-effects/gleam.toml
@@ -10,3 +10,4 @@ lustre_http = "~> 0.5"
 
 [dev-dependencies]
 gleeunit = "~> 1.0"
+lustre_dev_tools = "~> 1.0"
diff --git a/examples/06-custom-effects/manifest.toml b/examples/06-custom-effects/manifest.toml
index 62f6791..7dec2e8 100644
--- a/examples/06-custom-effects/manifest.toml
+++ b/examples/06-custom-effects/manifest.toml
@@ -2,11 +2,11 @@
 # You typically do not need to edit this file
 
 packages = [
-  { name = "argv", version = "1.0.1", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "A6E9009E50BBE863EB37D963E4315398D41A3D87D0075480FC244125808F964A" },
-  { name = "filepath", version = "0.2.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "FC1B1B29438A5BA6C990F8047A011430BEC0C5BA638BFAA62718C4EAEFE00435" },
+  { name = "argv", version = "1.0.2", build_tools = ["gleam"], requirements = [], otp_app = "argv", source = "hex", outer_checksum = "BA1FF0929525DEBA1CE67256E5ADF77A7CDDFE729E3E3F57A5BDCAA031DED09D" },
+  { name = "filepath", version = "1.0.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "filepath", source = "hex", outer_checksum = "EFB6FF65C98B2A16378ABC3EE2B14124168C0CE5201553DE652E2644DCFDB594" },
   { name = "gleam_community_ansi", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib"], otp_app = "gleam_community_ansi", source = "hex", outer_checksum = "FE79E08BF97009729259B6357EC058315B6FBB916FAD1C2FF9355115FEB0D3A4" },
-  { name = "gleam_community_colour", version = "1.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "A49A5E3AE8B637A5ACBA80ECB9B1AFE89FD3D5351FF6410A42B84F666D40D7D5" },
-  { name = "gleam_erlang", version = "0.24.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "26BDB52E61889F56A291CB34167315780EE4AA20961917314446542C90D1C1A0" },
+  { name = "gleam_community_colour", version = "1.4.0", build_tools = ["gleam"], requirements = ["gleam_json", "gleam_stdlib"], otp_app = "gleam_community_colour", source = "hex", outer_checksum = "795964217EBEDB3DA656F5EB8F67D7AD22872EB95182042D3E7AFEF32D3FD2FE" },
+  { name = "gleam_erlang", version = "0.25.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_erlang", source = "hex", outer_checksum = "054D571A7092D2A9727B3E5D183B7507DAB0DA41556EC9133606F09C15497373" },
   { name = "gleam_fetch", version = "0.4.0", build_tools = ["gleam"], requirements = ["gleam_http", "gleam_javascript", "gleam_stdlib"], otp_app = "gleam_fetch", source = "hex", outer_checksum = "7446410A44A1D1328F5BC1FF4FC9CBD1570479EA69349237B3F82E34521CCC10" },
   { name = "gleam_http", version = "3.6.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_http", source = "hex", outer_checksum = "8C07DF9DF8CC7F054C650839A51C30A7D3C26482AC241C899C1CEA86B22DBE51" },
   { name = "gleam_javascript", version = "0.8.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleam_javascript", source = "hex", outer_checksum = "14D5B7E1A70681E0776BF0A0357F575B822167960C844D3D3FA114D3A75F05A8" },
@@ -16,13 +16,13 @@ packages = [
   { name = "gleam_stdlib", version = "0.36.0", build_tools = ["gleam"], requirements = [], otp_app = "gleam_stdlib", source = "hex", outer_checksum = "C0D14D807FEC6F8A08A7C9EF8DFDE6AE5C10E40E21325B2B29365965D82EB3D4" },
   { name = "glearray", version = "0.2.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "glearray", source = "hex", outer_checksum = "908154F695D330E06A37FAB2C04119E8F315D643206F8F32B6A6C14A8709FFF4" },
   { name = "gleeunit", version = "1.0.2", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "gleeunit", source = "hex", outer_checksum = "D364C87AFEB26BDB4FB8A5ABDE67D635DC9FA52D6AB68416044C35B096C6882D" },
-  { name = "glint", version = "0.16.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "61B7E85CBB0CCD2FD8A9C7AE06CA97A80BF6537716F34362A39DF9C74967BBBC" },
-  { name = "justin", version = "1.0.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "justin", source = "hex", outer_checksum = "7FA0C6DB78640C6DC5FBFD59BF3456009F3F8B485BF6825E97E1EB44E9A1E2CD" },
-  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_package_interface", "gleam_stdlib", "glint", "justin", "simplifile", "spinner", "tom"], source = "local", path = "../.." },
+  { name = "glint", version = "0.18.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_community_colour", "gleam_stdlib", "snag"], otp_app = "glint", source = "hex", outer_checksum = "BB0F14643CC51C069A5DC6E9082EAFCD9967AFD1C9CC408803D1A40A3FD43B54" },
+  { name = "lustre", version = "4.0.0-rc.2", build_tools = ["gleam"], requirements = ["gleam_erlang", "gleam_json", "gleam_otp", "gleam_stdlib"], source = "local", path = "../.." },
+  { name = "lustre_dev_tools", version = "1.0.0", build_tools = ["gleam"], requirements = ["argv", "filepath", "gleam_community_ansi", "gleam_erlang", "gleam_json", "gleam_otp", "gleam_package_interface", "gleam_stdlib", "glint", "simplifile", "spinner", "tom"], otp_app = "lustre_dev_tools", source = "hex", outer_checksum = "66142ADDCA3D6C63A89E016CF6C21E07D06D6DC92479325182A07C360BD026D3" },
   { name = "lustre_http", version = "0.5.2", build_tools = ["gleam"], requirements = ["gleam_fetch", "gleam_http", "gleam_javascript", "gleam_json", "gleam_stdlib", "lustre"], otp_app = "lustre_http", source = "hex", outer_checksum = "FB0478CBFA6B16DBE8ECA326DAE2EC15645E04900595EF2C4F039ABFA0512ABA" },
-  { name = "lustre_ui", version = "0.4.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "9FE07E26EABDB13F7CB29F90AD8763618040729BF16E5F451A6ED584C52AA093" },
+  { name = "lustre_ui", version = "0.5.0", build_tools = ["gleam"], requirements = ["gleam_community_colour", "gleam_json", "gleam_stdlib", "lustre"], otp_app = "lustre_ui", source = "hex", outer_checksum = "7ECB5414BE926082401891C62FAAA21221FC0B7A2F0568A492349F48DC2B02A0" },
   { name = "repeatedly", version = "2.1.1", build_tools = ["gleam"], requirements = [], otp_app = "repeatedly", source = "hex", outer_checksum = "38808C3EC382B0CD981336D5879C24ECB37FCB9C1D1BD128F7A80B0F74404D79" },
-  { name = "simplifile", version = "1.5.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "EB9AA8E65E5C1E3E0FDCFC81BC363FD433CB122D7D062750FFDF24DE4AC40116" },
+  { name = "simplifile", version = "1.5.1", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "simplifile", source = "hex", outer_checksum = "C44DB387524F90DC42142699C78C850003289D32C7C99C7D32873792A299CDF7" },
   { name = "snag", version = "0.3.0", build_tools = ["gleam"], requirements = ["gleam_stdlib"], otp_app = "snag", source = "hex", outer_checksum = "54D32E16E33655346AA3E66CBA7E191DE0A8793D2C05284E3EFB90AD2CE92BCC" },
   { name = "spinner", version = "1.1.0", build_tools = ["gleam"], requirements = ["gleam_community_ansi", "gleam_erlang", "gleam_stdlib", "glearray", "repeatedly"], otp_app = "spinner", source = "hex", outer_checksum = "200BA3D4A04D468898E63C0D316E23F526E02514BC46454091975CB5BAE41E8F" },
   { name = "thoas", version = "0.4.1", build_tools = ["rebar3"], requirements = [], otp_app = "thoas", source = "hex", outer_checksum = "4918D50026C073C4AB1388437132C77A6F6F7C8AC43C60C13758CC0ADCE2134E" },
@@ -33,5 +33,6 @@ packages = [
 gleam_stdlib = { version = "~> 0.34 or ~> 1.0" }
 gleeunit = { version = "~> 1.0" }
 lustre = { path = "../../" }
+lustre_dev_tools = { version = "~> 1.0"}
 lustre_http = { version = "~> 0.5" }
 lustre_ui = { version = "~> 0.4" }
-- 
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