Merge branch 'main' into bflat/settings-pane-update

- login now flows automatically smoothly to the next step after login
- settings modal: misc/audio panes styling and toggle switch
- account settings disconnect sora account button

remaining TODO: 
- link logout sora endpoint

.github/workflows/tauri-publish-2d.yml

@@ -0,0 +1,63 @@
+name: 'publish'
+
+on:
+  push:
+    branches:
+      - tauri-prod-release
+
+# This workflow will trigger on each push to the `release` branch to create or update a GitHub release, build your app, and upload the artifacts to the release.
+
+jobs:
+  publish-tauri:
+    permissions:
+      contents: write
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - platform: 'macos-latest' # for Arm based macs (M1 and above).
+            args: '--target aarch64-apple-darwin'
+          # - platform: 'macos-latest' # for Intel based macs.
+          #   args: '--target x86_64-apple-darwin'
+          # - platform: 'ubuntu-22.04' # for Tauri v1 you could replace this with ubuntu-20.04.
+          #   args: ''
+          # - platform: 'windows-latest'
+          #   args: ''
+
+    runs-on: ${{ matrix.platform }}
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: setup node
+        uses: actions/setup-node@v4
+        with:
+          node-version: lts/*
+
+      - name: install Rust stable
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          # Those targets are only used on macos runners so it's in an `if` to slightly speed up windows and linux builds.
+          targets: ${{ matrix.platform == 'macos-latest' && 'aarch64-apple-darwin,x86_64-apple-darwin' || '' }}
+
+      - name: install dependencies (ubuntu only)
+        if: matrix.platform == 'ubuntu-22.04' # This must match the platform value defined above.
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y libwebkit2gtk-4.0-dev libwebkit2gtk-4.1-dev libappindicator3-dev librsvg2-dev patchelf
+        # webkitgtk 4.0 is for Tauri v1 - webkitgtk 4.1 is for Tauri v2.
+        # You can remove the one that doesn't apply to your app to speed up the workflow a bit.
+
+      - name: install frontend dependencies
+        run: cd ./crates/desktop/artcraft && yarn install # change this to npm, pnpm or bun depending on which one you use.
+
+      - uses: tauri-apps/tauri-action@v0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          projectPath: ./crates/desktop/artcraft
+          tagName: app-v__VERSION__ # the action automatically replaces \_\_VERSION\_\_ with the app version.
+          releaseName: 'App v__VERSION__'
+          releaseBody: 'See the assets to download this version and install.'
+          releaseDraft: true
+          prerelease: false
+          args: ${{ matrix.args }}

.idea/codeStyles/Project.xml

@@ -0,0 +1,13 @@
+<component name="ProjectCodeStyleConfiguration">
+  <code_scheme name="Project" version="173">
+    <codeStyleSettings language="Rust">
+      <option name="RIGHT_MARGIN" value="180" />
+      <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
+      <option name="ALIGN_MULTILINE_PARAMETERS_IN_CALLS" value="false" />
+      <indentOptions>
+        <option name="INDENT_SIZE" value="2" />
+        <option name="TAB_SIZE" value="2" />
+      </indentOptions>
+    </codeStyleSettings>
+  </code_scheme>
+</component>

.idea/codeStyles/codeStyleConfig.xml

@@ -0,0 +1,5 @@
+<component name="ProjectCodeStyleConfiguration">
+  <state>
+    <option name="USE_PER_PROJECT_SETTINGS" value="true" />
+  </state>
+</component>

.sqlx/query-2bd7a5b886c9624ae48533ddac409cfca0668f30ab1f7016c412876b5904168b.json

@@ -0,0 +1,12 @@
+{
+  "db_name": "MySQL",
+  "query": "\nUPDATE generic_inference_jobs\nSET\n  status = \"complete_success\",\n  on_success_result_entity_type = ?,\n  on_success_result_entity_token = ?,\n  failure_reason = NULL,\n  internal_debugging_failure_reason = NULL,\n  success_execution_millis = ?,\n  success_inference_execution_millis = ?,\n  retry_at = NULL,\n  successfully_completed_at = NOW()\nWHERE token = ?\n        ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Right": 5
+    },
+    "nullable": []
+  },
+  "hash": "2bd7a5b886c9624ae48533ddac409cfca0668f30ab1f7016c412876b5904168b"
+}

Cargo.toml

@@ -24,8 +24,7 @@ members = [
   "crates/cli/production/migration-tool",
 
   # Desktop apps
-  "crates/desktop/tauri-artcraft",
-  "crates/desktop/tauri-realtime",
+  "crates/desktop/artcraft",
 
   # Shared libraries
   "crates/lib/actix_cors_configs",
@@ -34,10 +33,12 @@ members = [
   "crates/lib/api_clients/google_drive_common",
   "crates/lib/api_clients/google_sign_in",
   "crates/lib/api_clients/openai_sora_client",
+  "crates/lib/api_clients/storyteller_client",
   "crates/lib/api_clients/thumbnail_generator",
   "crates/lib/bootstrap",
   "crates/lib/bucket_paths",
   "crates/lib/caching/memory_caching",
+  "crates/lib/caching/memory_store",
   "crates/lib/caching/redis_caching",
   "crates/lib/concurrency",
   "crates/lib/cookies",
@@ -116,6 +117,7 @@ members = [
   "crates/vendor/candle/candle-transformers",
   "crates/vendor/candle/tensor-tools",
   "crates/vendor/limitation",
+  "crates/vendor/tauri-plugin-http",
   # NB(bt,2023-12-12): Newrelic keeps breaking with upgrades. Kill for now.
   #"crates/vendor/newrelic-telemetry-sdk-rust",
 
@@ -146,6 +148,10 @@ publish = false
 #  - tauri-runtime-wry
 #  - tauri-utils
 #
+# Broken on Windows:
+#  - core-foundation
+#  - core-foundation-sys
+#
 workspace-build-acceleration = { path = "crates/workspace-build-acceleration" }
 
 # External libs
@@ -154,7 +160,9 @@ workspace-build-acceleration = { path = "crates/workspace-build-acceleration" }
 anyhow = "1.0.97"
 base64 = "0.22.1"
 chrono = { version = "0.4.40", features = ["serde"] }
+cookie = "0.18.1"
 hex-literal = "1.0.0"
+indexmap = "2.9.0"
 log = "0.4.27"
 once_cell = "1.21.3"
 rand = "0.9.0"
@@ -165,17 +173,25 @@ serde_derive = "1.0.219"
 serde_json = "1.0.140"
 serde_yaml = "0.9.1"
 sha3 = "0.10.8"
-thiserror = "2"
-toml = "0.7.4"
-url = "2.5.4"
+tauri = { version = "2.4.1", features = ["unstable", "devtools"] } # NB: "devtools" prevents App Store distribution
+thiserror = "2.0.12"
+toml = "0.8.20"
+url = { version = "2.5.4", features = ["serde"] }
 
 # Internal libs
 crockford = { path = "crates/lib/data/crockford" }
+enums = { path = "crates/_types/enums" }
+enums_public = { path = "crates/_types/enums_public" }
 errors = { path = "crates/lib/errors" }
 filesys = { path = "crates/lib/files/filesys" }
+idempotency = { path = "crates/lib/idempotency" }
+images = { path = "crates/lib/files/images" }
 memory_caching = { path = "crates/lib/caching/memory_caching" }
+memory_store = { path = "crates/lib/caching/memory_store" }
+mimetypes = { path = "crates/lib/files/mimetypes" }
 openai_sora_client = { path = "crates/lib/api_clients/openai_sora_client" }
 primitives = { path = "crates/lib/data/primitives" }
 shared_service_components = { path = "crates/lib/shared_service_components" }
+storyteller_client = { path = "crates/lib/api_clients/storyteller_client" }
 subprocess_common = { path = "crates/lib/subprocess_common" }
 tokens = { path = "crates/_types/tokens" }

crates/_types/enums/src/by_table/media_files/media_file_origin_category.rs

@@ -28,11 +28,12 @@ pub enum MediaFileOriginCategory {
   DeviceApi,
 
   /// From Storyteller Studio Engine
+  #[deprecated(note="This db field should only denote file provenance, not the product.")]
   #[serde(rename = "studio")]
   StorytellerStudio,
 
   /// From Storyteller Studio Engine
-  #[deprecated(note = "Use StorytellerStudio instead")]
+  #[deprecated(note = "DO NOT USE. Originally deprecated in favor of `StorytellerStudio`.")]
   StoryEngine,
 }
 

crates/_types/enums/src/by_table/media_files/media_file_origin_product_category.rs

@@ -39,6 +39,10 @@ pub enum MediaFileOriginProductCategory {
   #[serde(rename = "vst")]
   VideoStyleTransfer,
 
+  /// Image Studio
+  #[serde(rename = "image_studio")]
+  ImageStudio,
+
   /// Storyteller Studio
   #[serde(rename = "studio")]
   StorytellerStudio,
@@ -87,6 +91,7 @@ impl MediaFileOriginProductCategory {
       Self::FaceFusion => "face_fusion",
       Self::FaceMirror => "face_mirror",
       Self::VideoStyleTransfer => "vst",
+      Self::ImageStudio => "image_studio",
       Self::StorytellerStudio => "studio",
       Self::TextToSpeech => "tts",
       Self::VoiceConversion => "voice_conversion",
@@ -105,6 +110,7 @@ impl MediaFileOriginProductCategory {
       "face_fusion" => Ok(Self::FaceFusion),
       "face_mirror" => Ok(Self::FaceMirror),
       "vst" => Ok(Self::VideoStyleTransfer),
+      "image_studio" => Ok(Self::ImageStudio),
       "studio" => Ok(Self::StorytellerStudio),
       "tts" => Ok(Self::TextToSpeech),
       "voice_conversion" => Ok(Self::VoiceConversion),
@@ -126,6 +132,7 @@ impl MediaFileOriginProductCategory {
       Self::FaceFusion,
       Self::FaceMirror,
       Self::VideoStyleTransfer,
+      Self::ImageStudio,
       Self::StorytellerStudio,
       Self::TextToSpeech,
       Self::VoiceConversion,
@@ -153,6 +160,7 @@ mod tests {
       assert_serialization(MediaFileOriginProductCategory::FaceFusion, "face_fusion");
       assert_serialization(MediaFileOriginProductCategory::FaceMirror, "face_mirror");
       assert_serialization(MediaFileOriginProductCategory::VideoStyleTransfer, "vst");
+      assert_serialization(MediaFileOriginProductCategory::ImageStudio, "image_studio");
       assert_serialization(MediaFileOriginProductCategory::StorytellerStudio, "studio");
       assert_serialization(MediaFileOriginProductCategory::TextToSpeech, "tts");
       assert_serialization(MediaFileOriginProductCategory::VoiceConversion, "voice_conversion");
@@ -170,6 +178,7 @@ mod tests {
       assert_eq!(MediaFileOriginProductCategory::FaceFusion.to_str(), "face_fusion");
       assert_eq!(MediaFileOriginProductCategory::FaceMirror.to_str(), "face_mirror");
       assert_eq!(MediaFileOriginProductCategory::VideoStyleTransfer.to_str(), "vst");
+      assert_eq!(MediaFileOriginProductCategory::ImageStudio.to_str(), "image_studio");
       assert_eq!(MediaFileOriginProductCategory::StorytellerStudio.to_str(), "studio");
       assert_eq!(MediaFileOriginProductCategory::TextToSpeech.to_str(), "tts");
       assert_eq!(MediaFileOriginProductCategory::VoiceConversion.to_str(), "voice_conversion");
@@ -187,6 +196,7 @@ mod tests {
       assert_eq!(MediaFileOriginProductCategory::from_str("face_fusion").unwrap(), MediaFileOriginProductCategory::FaceFusion);
       assert_eq!(MediaFileOriginProductCategory::from_str("face_mirror").unwrap(), MediaFileOriginProductCategory::FaceMirror);
       assert_eq!(MediaFileOriginProductCategory::from_str("vst").unwrap(), MediaFileOriginProductCategory::VideoStyleTransfer);
+      assert_eq!(MediaFileOriginProductCategory::from_str("image_studio").unwrap(), MediaFileOriginProductCategory::ImageStudio);
       assert_eq!(MediaFileOriginProductCategory::from_str("studio").unwrap(), MediaFileOriginProductCategory::StorytellerStudio);
       assert_eq!(MediaFileOriginProductCategory::from_str("tts").unwrap(), MediaFileOriginProductCategory::TextToSpeech);
       assert_eq!(MediaFileOriginProductCategory::from_str("voice_conversion").unwrap(), MediaFileOriginProductCategory::VoiceConversion);
@@ -200,12 +210,13 @@ mod tests {
     #[test]
     fn all_variants() {
       let mut variants = MediaFileOriginProductCategory::all_variants();
-      assert_eq!(variants.len(), 13);
+      assert_eq!(variants.len(), 14);
       assert_eq!(variants.pop_first(), Some(MediaFileOriginProductCategory::Unknown));
       assert_eq!(variants.pop_first(), Some(MediaFileOriginProductCategory::FaceAnimator));
       assert_eq!(variants.pop_first(), Some(MediaFileOriginProductCategory::FaceFusion));
       assert_eq!(variants.pop_first(), Some(MediaFileOriginProductCategory::FaceMirror));
       assert_eq!(variants.pop_first(), Some(MediaFileOriginProductCategory::VideoStyleTransfer));
+      assert_eq!(variants.pop_first(), Some(MediaFileOriginProductCategory::ImageStudio));
       assert_eq!(variants.pop_first(), Some(MediaFileOriginProductCategory::StorytellerStudio));
       assert_eq!(variants.pop_first(), Some(MediaFileOriginProductCategory::TextToSpeech));
       assert_eq!(variants.pop_first(), Some(MediaFileOriginProductCategory::VoiceConversion));

crates/desktop/artcraft/Cargo.toml

@@ -1,5 +1,5 @@
 [package]
-name = "tauri-artcraft"
+name = "artcraft"
 version = "0.1.0"
 description = "Artcraft"
 authors = ["you"]
@@ -12,7 +12,7 @@ publish = false
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [lib]
-name = "tauri_artcraft_app_lib"
+name = "artcraft_app_lib"
 crate-type = ["staticlib", "cdylib", "rlib"]
 
 [build-dependencies]
@@ -27,16 +27,16 @@ crockford = { workspace = true }
 errors = { workspace = true }
 filesys = { workspace = true }
 memory_caching = { workspace = true }
+memory_store = { workspace = true }
 openai_sora_client = { workspace = true }
 primitives = { workspace = true }
+storyteller_client = { workspace = true }
 subprocess_common = { workspace = true }
 tokens = { workspace = true }
 
 # External
-#openssl = { version = "0.10", features = ["vendored"] }
-# NB(bt,2025-03-10): default-features = false on Windows while I debug openssl / rustls
 anyhow = { workspace = true }
-base64 = "0.22.1"
+base64 = { workspace = true }
 bytes = "1.10"
 chrono = { workspace = true }
 const_format = "0.2.34"
@@ -44,21 +44,31 @@ directories = "6.0.0"
 dirs = "6.0.0"
 futures = "0.3"
 image = "0.25.5"
+indexmap = { workspace = true }
 log = { workspace = true }
 once_cell = { workspace = true }
 rand = { workspace = true }
-reqwest = { workspace = true, features = ["multipart", "stream"], default-features = false }
+reqwest = { workspace = true, features = ["multipart", "stream"], default-features = false } # NB(bt,2025-03-10): default-features = false on Windows while I debug openssl / rustls
 serde = { workspace = true }
 serde_derive = { workspace = true }
 serde_json = { workspace = true }
 serde_yaml = { workspace = true }
-tauri = { version = "2.4.1", features = ["unstable"] }
+tauri = { workspace = true }
 tauri-plugin-log = "2.3.1"
+tauri-plugin-upload = "2.2.1"
 tempdir = "0.3.7"
 tempfile = "3.18.0"
 tokio = { version = "1.42", features = ["rt", "rt-multi-thread", "fs"] }
 tokio-util = { version = "0.7", features = ["codec"] }
 
+# NB: We need to vendor this in so that we can access the cookies inside via the private API
+tauri-plugin-http = { path = "../../vendor/tauri-plugin-http" }
+
+# NB: The version of the `discord-rich-presence` crate (0.2.5) last published has non-Send/Sync error
+# types and can't do threading. We need to wait for a new version to unpin from Git.
+discord-rich-presence = { git = "https://github.com/vionya/discord-rich-presence" }
+tauri-plugin-dialog = "2"
+
 [dev-dependencies]
 libloading = "0.8.6"
 serial_test = "3.2.0"

crates/desktop/artcraft/capabilities/default.json

@@ -0,0 +1,31 @@
+{
+  "$schema": "../gen/schemas/desktop-schema.json",
+  "identifier": "default",
+  "description": "enables the default permissions",
+  "windows": [
+    "main"
+  ],
+  "permissions": [
+    "core:default",
+    "log:default",
+    "upload:allow-download",
+    "upload:default",
+    {
+      "identifier": "http:default",
+      "allow": [
+        {
+          "url": "https://*.storyteller.ai"
+        },
+        {
+          "url": "https://*.fakeyou.com"
+        }
+      ],
+      "deny": [
+        {
+          "url": "https://private.tauri.app"
+        }
+      ]
+    },
+    "dialog:default"
+  ]
+}

crates/desktop/artcraft/src/commands/app_preferences/get_app_preferences_command.rs

@@ -0,0 +1,59 @@
+use crate::state::app_preferences::app_preferences_manager::AppPreferencesManager;
+use crate::state::app_preferences::preferred_download_directory::PreferredDownloadDirectory;
+use errors::AnyhowResult;
+use log::{error, info};
+use serde_derive::Serialize;
+use tauri::{AppHandle, State};
+
+#[derive(Serialize)]
+pub struct GetAppPreferencesResponse {
+  pub preferences: AppPreferencesPayload,
+}
+
+#[derive(Serialize)]
+pub struct AppPreferencesPayload {
+  /// The downloads directory to use when a user downloads a file.
+  pub preferred_download_directory: PreferredDownloadDirectory,
+  
+  /// Play sounds on events.
+  pub play_sounds: bool,
+  
+  /// Key pointing to file; defined in the frontend code.
+  pub generation_success_sound: Option<String>,
+
+  /// Key pointing to file; defined in the frontend code.
+  pub generation_failure_sound: Option<String>,
+
+  /// Key pointing to file; defined in the frontend code.
+  pub generation_enqueue_sound: Option<String>,
+}
+
+
+#[tauri::command]
+pub async fn get_app_preferences_command(
+  app_prefs: State<'_, AppPreferencesManager>,
+) -> Result<GetAppPreferencesResponse, String> {
+  info!("get_app_preferences_command called");
+
+  let result = get_prefs(&app_prefs)
+      .await
+      .map_err(|err| {
+        error!("Error getting app preferences: {:?}", err);
+        format!("Error getting app preferences: {:?}", err)
+      })?;
+
+  Ok(GetAppPreferencesResponse {
+    preferences: result,
+  })
+}
+
+async fn get_prefs(app_prefs: &AppPreferencesManager) -> AnyhowResult<AppPreferencesPayload> {
+  let prefs = app_prefs.get_clone()?;
+  Ok(AppPreferencesPayload {
+    preferred_download_directory: prefs.preferred_download_directory,
+    play_sounds: prefs.play_sounds,
+    generation_success_sound: prefs.generation_success_sound,
+    generation_failure_sound: prefs.generation_failure_sound,
+    generation_enqueue_sound: prefs.generation_enqueue_sound,
+  })
+}

crates/desktop/artcraft/src/commands/app_preferences/mod.rs

@@ -0,0 +1,2 @@
+pub mod get_app_preferences_command;
+pub mod update_app_preference_command;

crates/desktop/artcraft/src/commands/app_preferences/update_app_preference_command.rs

@@ -0,0 +1,116 @@
+use crate::state::app_preferences::app_preferences_manager::AppPreferencesManager;
+use crate::state::app_preferences::preferred_download_directory::PreferredDownloadDirectory;
+use crate::state::data_dir::app_data_root::AppDataRoot;
+use anyhow::anyhow;
+use errors::AnyhowResult;
+use log::{error, info};
+use openai_sora_client::sora_error::SoraError::AnyhowError;
+use serde_derive::{Deserialize, Serialize};
+use tauri::{AppHandle, State};
+
+/// For now, we'll only update a single preference at a time.
+#[derive(Deserialize)]
+pub struct UpdateAppPreferencesRequest {
+  pub preference: PreferenceName,
+  /// We'll decode this with respect to the preference value.
+  pub value: Option<ValueType>,
+}
+
+#[derive(Deserialize, Debug)]
+#[serde(untagged)]
+pub enum ValueType {
+  Bool(bool),
+  String(String),
+  DownloadDirectory(PreferredDownloadDirectory),
+}
+
+#[derive(Deserialize)]
+#[serde(rename_all = "snake_case")]
+pub enum PreferenceName {
+  PreferredDownloadDirectory,
+  PlaySounds,
+  GenerationSuccessSound,
+  GenerationFailureSound,
+  GenerationEnqueueSound,
+}
+
+#[derive(Serialize)]
+pub struct UpdateAppPreferencesResponse {
+  pub success: bool,
+}
+
+#[tauri::command]
+pub async fn update_app_preferences_command(
+  request: UpdateAppPreferencesRequest,
+  app_prefs: State<'_, AppPreferencesManager>,
+  app_data_root: State<'_, AppDataRoot>,
+) -> Result<UpdateAppPreferencesResponse, String> {
+  info!("update_app_preferences_command called");
+
+  update_prefs(request, &app_prefs, &app_data_root)
+      .await
+      .map_err(|err| {
+        error!("Error getting app preferences: {:?}", err);
+        format!("Error getting app preferences: {:?}", err)
+      })?;
+
+  Ok(UpdateAppPreferencesResponse {
+    success: true,
+  })
+}
+
+async fn update_prefs(
+  request: UpdateAppPreferencesRequest, 
+  app_prefs: &AppPreferencesManager,
+  app_data_root: &AppDataRoot,
+) -> AnyhowResult<()> {
+  let mut prefs = app_prefs.get_clone()?;
+  
+  info!("Value is: {:?}", request.value);
+  
+  match request.preference {
+    PreferenceName::PreferredDownloadDirectory => {
+      match request.value {
+        Some(ValueType::DownloadDirectory(dir)) => 
+          prefs.preferred_download_directory = dir,
+        _ =>
+          return Err(anyhow!("Invalid value: {:?}", request.value)),
+      }
+    }
+    PreferenceName::PlaySounds => {
+      match request.value {
+        Some(ValueType::Bool(val)) => 
+          prefs.play_sounds = val,
+        _ => 
+          return Err(anyhow!("Invalid value: {:?}", request.value)),
+      }
+    }
+    PreferenceName::GenerationSuccessSound => {
+      prefs.generation_success_sound = request.value
+          .map(|val| string_value(&val))
+          .transpose()?;
+    }
+    PreferenceName::GenerationFailureSound => {
+      prefs.generation_failure_sound = request.value
+          .map(|val| string_value(&val))
+          .transpose()?;
+    }
+    PreferenceName::GenerationEnqueueSound => {
+      prefs.generation_enqueue_sound = request.value
+          .map(|val| string_value(&val))
+          .transpose()?;
+    }
+  }
+  
+  app_prefs.set_clone(&prefs)?;
+  app_data_root.settings_dir().write_app_preferences(&prefs)?;
+  
+  Ok(())
+}
+
+fn string_value(value: &ValueType) -> AnyhowResult<String> {
+  match value {
+    ValueType::String(val) => Ok(val.to_string()),
+    _ => Err(anyhow!("Invalid value type: {:?}", value)),
+  }
+}

crates/desktop/artcraft/src/commands/mod.rs

@@ -0,0 +1,4 @@
+pub mod app_preferences;
+pub mod flip_image;
+pub mod platform_info_command;
+pub mod sora;

crates/desktop/artcraft/src/commands/platform_info_command.rs

@@ -0,0 +1,63 @@
+use crate::state::os_platform::OsPlatform;
+use base64::prelude::BASE64_STANDARD;
+use base64::Engine;
+use image::codecs::png::{CompressionType, FilterType, PngEncoder};
+use image::ImageReader;
+use log::info;
+use serde_derive::Serialize;
+use std::io::Cursor;
+
+#[derive(Debug, Serialize)]
+pub struct PlatformInfoResponse {
+  pub os_platform: DetectedOs,
+  pub webview_runtime: WebviewRuntime,
+}
+
+#[derive(Copy, Clone, Debug, Serialize)]
+#[serde(rename_all = "snake_case")]
+pub enum DetectedOs {
+  Windows,
+  #[serde(rename = "macos")]
+  MacOS,
+  Linux,
+  Unknown,
+}
+
+#[derive(Copy, Clone, Debug, Serialize)]
+#[serde(rename_all = "snake_case")]
+pub enum WebviewRuntime {
+  #[serde(rename = "webkit_safari")]
+  WebkitSafari,
+  #[serde(rename = "webkit_gtk")]
+  WebkitGtk,
+  #[serde(rename = "edge_webview_2")]
+  EdgeWebview2,
+  Unknown,
+}
+
+#[tauri::command]
+pub fn platform_info_command() -> Result<PlatformInfoResponse, String> {
+  info!("platform_info_command called...");
+
+  let os_platform = match OsPlatform::maybe_get() {
+    Some(OsPlatform::Linux) => DetectedOs::Linux,
+    Some(OsPlatform::MacOs) => DetectedOs::MacOS,
+    Some(OsPlatform::Windows) => DetectedOs::Windows,
+    None => DetectedOs::Unknown,
+  };
+
+  // These are the webviews that Tauri uses on each OS:
+  // https://tauri.app/reference/webview-versions/
+  let webview_runtime = match os_platform {
+    DetectedOs::Windows => WebviewRuntime::EdgeWebview2,
+    DetectedOs::MacOS => WebviewRuntime::WebkitSafari,
+    DetectedOs::Linux => WebviewRuntime::WebkitGtk,
+    DetectedOs::Unknown => WebviewRuntime::Unknown,
+  };
+
+  Ok(PlatformInfoResponse {
+    os_platform,
+    webview_runtime,
+  })
+}
+

crates/desktop/artcraft/src/commands/sora/check_sora_session_command.rs

@@ -0,0 +1,85 @@
+use crate::commands::app_preferences::get_app_preferences_command::AppPreferencesPayload;
+use crate::state::app_preferences::app_preferences_manager::AppPreferencesManager;
+use crate::state::data_dir::app_data_root::AppDataRoot;
+use crate::state::sora::sora_credential_manager::SoraCredentialManager;
+use crate::windows::sora_login_window::open_sora_login_window::open_sora_login_window;
+use errors::AnyhowResult;
+use log::{error, info};
+use once_cell::sync::Lazy;
+use openai_sora_client::creds::sora_credential_set::SoraCredentialSet;
+use openai_sora_client::recipes::maybe_upgrade_or_renew_session::maybe_upgrade_or_renew_session;
+use openai_sora_client::requests::list_media::list_media::list_media;
+use serde_derive::Serialize;
+use tauri::{AppHandle, State};
+
+#[derive(Serialize)]
+#[serde(rename_all = "snake_case")]
+pub struct CheckSoraSessionCommand {
+  pub state: SoraSessionState,
+  pub maybe_account_email: Option<String>,
+}
+
+#[derive(Serialize)]
+#[serde(rename_all = "snake_case")]
+pub enum SoraSessionState{
+  #[serde(rename = "not_set_up")]
+  NotSetUp,
+  #[serde(rename = "expired_or_error")]
+  ExpiredOrError,
+  #[serde(rename = "valid")]
+  Valid,
+}
+
+
+#[tauri::command]
+pub async fn check_sora_session_command(
+  app: AppHandle,
+  sora_creds_manager: State<'_, SoraCredentialManager>,
+) -> Result<CheckSoraSessionCommand, CheckSoraSessionCommand> {
+  info!("check_sora_session_command called");
+
+  match do_check(&sora_creds_manager).await {
+    Ok(state) => Ok(state),
+    Err(err) => {
+      error!("Error checking session state: {:?}", err);
+      Err(CheckSoraSessionCommand {
+        state: SoraSessionState::ExpiredOrError,
+        maybe_account_email: None,
+      })
+    }
+  }
+}
+
+async fn do_check(
+  sora_creds_manager: &SoraCredentialManager,
+) -> AnyhowResult<CheckSoraSessionCommand> {
+  
+  let mut creds = match sora_creds_manager.get_credentials()? {
+    Some(creds) => creds,
+    None => {
+      return Ok(CheckSoraSessionCommand {
+        state: SoraSessionState::NotSetUp,
+        maybe_account_email: None,
+      });
+    }
+  };
+  
+  let upgraded = maybe_upgrade_or_renew_session(&mut creds).await?;
+  
+  list_media(&creds).await?;
+
+  if upgraded {
+    info!("Saving upgraded session to manager and disk...");
+    sora_creds_manager.set_credentials(&creds)?;
+    sora_creds_manager.persist_all_to_disk()?;
+  }
+  
+  let maybe_account_email = creds
+      .jwt_bearer_token
+      .map(|token| token.jwt_claims().email.clone());
+
+  Ok(CheckSoraSessionCommand {
+    state: SoraSessionState::Valid,
+    maybe_account_email,
+  })
+}

crates/desktop/artcraft/src/commands/sora/mod.rs

@@ -1,3 +1,4 @@
+pub mod check_sora_session_command;
 pub mod open_sora_login_command;
 pub mod sora_image_generation_command;
 pub mod sora_image_remix_command;

crates/desktop/artcraft/src/commands/sora/open_sora_login_command.rs

@@ -0,0 +1,39 @@
+use crate::state::app_preferences::app_preferences_manager::AppPreferencesManager;
+use crate::state::data_dir::app_data_root::AppDataRoot;
+use crate::state::sora::sora_credential_manager::SoraCredentialManager;
+use crate::windows::sora_login_window::open_sora_login_window::open_sora_login_window;
+use errors::AnyhowResult;
+use log::{error, info};
+use once_cell::sync::Lazy;
+use tauri::{AppHandle, State};
+
+#[tauri::command]
+pub async fn open_sora_login_command(
+  app: AppHandle,
+  app_data_root: State<'_, AppDataRoot>,
+  sora_creds_manager: State<'_, SoraCredentialManager>,
+) -> Result<String, String> {
+  info!("open_login_command called");
+
+  do_open_login(&app, &app_data_root, &sora_creds_manager)
+    .await
+    .map_err(|err| {
+      error!("Error opening login: {:?}", err);
+      format!("Error opening login: {:?}", err)
+    })?;
+
+  Ok("result".to_string())
+}
+
+async fn do_open_login(
+  app: &AppHandle,
+  app_data_root: &AppDataRoot,
+  sora_creds_manager: &SoraCredentialManager,
+) -> AnyhowResult<()> {
+  info!("Building login window...");
+
+  open_sora_login_window(app, app_data_root, sora_creds_manager).await?;
+
+  info!("Done.");
+  Ok(())
+}

crates/desktop/artcraft/src/commands/sora/sora_image_generation_command.rs

@@ -1,18 +1,20 @@
-use std::fs::read_to_string;
+use crate::state::data_dir::app_data_root::AppDataRoot;
+use crate::state::sora::read_sora_credentials_from_disk::read_sora_credentials_from_disk;
+use crate::state::sora::sora_credential_holder::SoraCredentialHolder;
 use base64::prelude::BASE64_STANDARD;
-use errors::AnyhowResult;
 use base64::Engine;
+use errors::AnyhowResult;
 use image::codecs::png::{CompressionType, FilterType, PngEncoder};
 use image::{DynamicImage, ImageReader};
-use std::io::Cursor;
 use log::{error, info};
-use tauri::{AppHandle, Manager, State};
 use openai_sora_client::credentials::SoraCredentials;
-use openai_sora_client::image_gen::common::{ImageSize, NumImages};
-use openai_sora_client::image_gen::sora_image_gen_remix::{sora_image_gen_remix, SoraImageGenRemixRequest};
-use openai_sora_client::upload::upload_media_from_bytes::sora_media_upload_from_bytes;
-use openai_sora_client::upload::upload_media_from_file::SoraMediaUploadRequest;
-use crate::state::app_dir::AppDataRoot;
+use openai_sora_client::creds::credential_migration::CredentialMigrationRef;
+use openai_sora_client::requests::image_gen::common::{ImageSize, NumImages};
+use openai_sora_client::requests::image_gen::sora_image_gen_remix::{sora_image_gen_remix, SoraImageGenRemixRequest};
+use openai_sora_client::requests::upload::upload_media_from_bytes::sora_media_upload_from_bytes;
+use std::fs::read_to_string;
+use std::io::Cursor;
+use tauri::{AppHandle, Manager, State};
 
 #[tauri::command]
 pub async fn sora_image_generation_command(
@@ -20,10 +22,11 @@ pub async fn sora_image_generation_command(
   image: Option<&str>,
   _app: AppHandle,
   app_data_root: State<'_, AppDataRoot>,
+  sora_creds_holder: State<'_, SoraCredentialHolder>,
 ) -> Result<String, String> {
   info!("image_generation_command called; processing image...");
 
-  generate_image(image, prompt, &app_data_root)
+  generate_image(image, prompt, &app_data_root, &sora_creds_holder)
     .await
     .map_err(|err| {
       error!("error: {:?}", err);
@@ -33,8 +36,18 @@ pub async fn sora_image_generation_command(
   Ok("success".to_string())
 }
 
-pub async fn generate_image(maybe_image: Option<&str>, prompt: &str, app_data_root: &AppDataRoot) -> AnyhowResult<()> {
-  let sora_credentials = get_credentials(app_data_root)?;
+pub async fn generate_image(
+  maybe_image: Option<&str>,
+  prompt: &str,
+  app_data_root: &AppDataRoot,
+  sora_creds_holder: &SoraCredentialHolder,
+) -> AnyhowResult<()> {
+
+  let creds = read_sora_credentials_from_disk(app_data_root)
+      .map_err(|err| {
+        error!("Failed to read Sora credentials from disk: {:?}", err);
+        err
+      })?;
 
   let mut sora_media_tokens = vec![];
 
@@ -43,7 +56,7 @@ pub async fn generate_image(maybe_image: Option<&str>, prompt: &str, app_data_ro
 
     let filename = "image.png".to_string();
 
-    let response = sora_media_upload_from_bytes(image_bytes, filename, &sora_credentials)
+    let response = sora_media_upload_from_bytes(image_bytes, filename, CredentialMigrationRef::New(&creds))
         .await
         .map_err(|err| {
           error!("Failed to upload image to Sora: {:?}", err);
@@ -58,7 +71,7 @@ pub async fn generate_image(maybe_image: Option<&str>, prompt: &str, app_data_ro
     num_images: NumImages::One,
     image_size: ImageSize::Square,
     sora_media_tokens: sora_media_tokens.clone(),
-    credentials: &sora_credentials,
+    credentials: CredentialMigrationRef::New(&creds),
   }).await
       .map_err(|err| {
         error!("Failed to call Sora image generation: {:?}", err);
@@ -69,25 +82,3 @@ pub async fn generate_image(maybe_image: Option<&str>, prompt: &str, app_data_ro
 
   Ok(())
 }
-
-fn get_credentials(app_data_root: &AppDataRoot) -> AnyhowResult<SoraCredentials> {
-  let cookie_file = app_data_root.get_sora_cookie_file_path();
-
-  let bearer = read_to_string("/Users/bt/dev/storyteller/storyteller-rust/test_data/temp/bearer.txt")?
-      .trim()
-      .to_string();
-
-  let cookie= read_to_string(cookie_file)?
-      .trim()
-      .to_string();
-
-  let sentinel = read_to_string("/Users/bt/dev/storyteller/storyteller-rust/test_data/temp/sentinel.txt")?
-      .trim()
-      .to_string();
-
-  Ok(SoraCredentials {
-    bearer_token: bearer,
-    cookie: cookie,
-    sentinel: Some(sentinel),
-  })
-}

crates/desktop/artcraft/src/commands/sora/sora_image_remix_command.rs

@@ -0,0 +1,171 @@
+use crate::events::sendable_event_trait::SendableEvent;
+use crate::events::sora::sora_image_enqueue_failure_event::SoraImageEnqueueFailureEvent;
+use crate::events::sora::sora_image_enqueue_success_event::SoraImageEnqueueSuccessEvent;
+use crate::state::data_dir::app_data_root::AppDataRoot;
+use crate::state::data_dir::trait_data_subdir::DataSubdir;
+use crate::state::sora::read_sora_credentials_from_disk::read_sora_credentials_from_disk;
+use crate::state::sora::sora_credential_holder::SoraCredentialHolder;
+use crate::state::sora::sora_credential_manager::SoraCredentialManager;
+use crate::state::sora::sora_task_queue::SoraTaskQueue;
+use crate::utils::get_url_file_extension::get_url_file_extension;
+use crate::utils::simple_http_download::simple_http_download;
+use base64::prelude::BASE64_STANDARD;
+use base64::Engine;
+use errors::AnyhowResult;
+use image::codecs::png::{CompressionType, FilterType, PngEncoder};
+use image::{DynamicImage, ImageReader};
+use log::{debug, error, info};
+use openai_sora_client::credentials::SoraCredentials;
+use openai_sora_client::creds::credential_migration::CredentialMigrationRef;
+use openai_sora_client::recipes::image_remix_with_session_auto_renew::{image_remix_with_session_auto_renew, ImageRemixAutoRenewRequest};
+use openai_sora_client::recipes::image_upload_from_file_with_session_auto_renew::{image_upload_from_file_with_session_auto_renew, ImageUploadFromFileAutoRenewRequest};
+use openai_sora_client::recipes::maybe_upgrade_or_renew_session::maybe_upgrade_or_renew_session;
+use openai_sora_client::requests::image_gen::common::{ImageSize, NumImages};
+use openai_sora_client::requests::image_gen::sora_image_gen_remix::{sora_image_gen_remix, SoraImageGenRemixRequest};
+use openai_sora_client::requests::upload::upload_media_from_bytes::sora_media_upload_from_bytes;
+use openai_sora_client::requests::upload::upload_media_from_file::sora_media_upload_from_file;
+use serde_derive::{Deserialize, Serialize};
+use std::fs::read_to_string;
+use std::io::Cursor;
+use storyteller_client::media_files::get_media_file::get_media_file;
+use storyteller_client::utils::api_host::ApiHost;
+use tauri::{AppHandle, Emitter, Manager, State};
+use tokens::tokens::media_files::MediaFileToken;
+
+#[derive(Deserialize)]
+pub struct SoraImageRemixCommand {
+  /// Image media file; the engine or canvas snapshot (screenshot).
+  pub snapshot_media_token: MediaFileToken,
+
+  /// The user's image generation prompt.
+  pub prompt: String,
+
+  /// Turn off the system prompt.
+  pub disable_system_prompt: Option<bool>,
+
+  /// Additional images to include (optional). Up to nine images.
+  pub maybe_additional_images: Option<Vec<MediaFileToken>>,
+
+  pub maybe_number_of_samples: Option<u32>,
+}
+
+#[tauri::command]
+pub async fn sora_image_remix_command(
+  app: AppHandle,
+  request: SoraImageRemixCommand,
+  app_data_root: State<'_, AppDataRoot>,
+  sora_creds_manager: State<'_, SoraCredentialManager>,
+  sora_task_queue: State<'_, SoraTaskQueue>,
+) -> Result<String, String> {
+  
+  info!("image_generation_command called; scene media token: {:?}, additional images: {:?}", 
+    request.snapshot_media_token, request.maybe_additional_images);
+
+  // TODO(bt,2025-04-24): Better error messages to caller
+
+  let result = generate_image(request, &app_data_root, &sora_creds_manager, &sora_task_queue).await;
+  
+  if let Err(err) = result {
+    error!("error: {:?}", err);
+
+    let event = SoraImageEnqueueFailureEvent {};
+    let result = event.send(&app);
+
+    if let Err(err) = result {
+      error!("Failed to emit event: {:?}", err);
+    }
+    
+    return Err("there was an error".to_string());
+  }
+
+  let event = SoraImageEnqueueSuccessEvent {};
+  let result = event.send(&app);
+
+  if let Err(err) = result {
+    error!("Failed to emit event: {:?}", err);
+  }
+
+  Ok("success".to_string())
+}
+
+pub async fn generate_image(
+  request: SoraImageRemixCommand,
+  app_data_root: &AppDataRoot,
+  sora_creds_manager: &SoraCredentialManager,
+  sora_task_queue: &SoraTaskQueue,
+) -> AnyhowResult<()> {
+
+  let response = get_media_file(&ApiHost::Storyteller, &request.snapshot_media_token).await?;
+
+  let media_file_url = &response.media_file.media_links.cdn_url;
+  let extension_with_dot = get_url_file_extension(media_file_url)
+      .map(|ext| format!(".{}", ext))
+      .unwrap_or_else(|| ".png".to_string());
+
+  let filename = format!("{}{}", response.media_file.token.as_str(), extension_with_dot);
+  let filename = app_data_root.downloads_dir().path().join(&filename);
+
+  simple_http_download(&media_file_url, &filename).await?;
+
+  let files_to_upload = vec![filename];
+
+  let mut creds = sora_creds_manager.get_credentials_required()?;
+
+  let credential_updated = maybe_upgrade_or_renew_session(&mut creds)
+      .await
+      .map_err(|err| {
+        error!("Failed to upgrade or renew session: {:?}", err);
+        err
+      })?;
+
+  if credential_updated {
+    info!("Storing updated credentials");
+    sora_creds_manager.set_credentials(&creds)?;
+  }
+
+  let mut sora_media_tokens = Vec::with_capacity(files_to_upload.len());
+
+  for (i, file_path) in files_to_upload.iter().enumerate() {
+    info!("Uploading image {} of {}...", (i+1), files_to_upload.len());
+
+    let (response, maybe_new_credentials) =
+        image_upload_from_file_with_session_auto_renew(ImageUploadFromFileAutoRenewRequest {
+          file_path,
+          credentials: &creds,
+        }).await?;
+
+    if let Some(new_creds) = maybe_new_credentials {
+      info!("Storing updated credentials.");
+      sora_creds_manager.set_credentials(&new_creds)?;
+      creds = new_creds;
+    }
+
+    sora_media_tokens.push(response.id);
+  }
+
+  info!("Calling image generation...");
+
+  // TODO(bt,2025-04-21): Download media tokens.
+  //  Note: This is incredibly inefficient. We should keep a local cache.
+  //  Also, if they've already been uploaded to OpenAI, we shouldn't continue to re-upload.
+
+  let (response, maybe_new_creds) =
+      image_remix_with_session_auto_renew(ImageRemixAutoRenewRequest {
+        prompt: request.prompt.to_string(),
+        num_images: NumImages::One,
+        image_size: ImageSize::Square,
+        sora_media_tokens: sora_media_tokens.clone(),
+        credentials: &creds,
+      }).await?;
+
+  if let Some(new_creds) = maybe_new_creds {
+    info!("Storing updated credentials.");
+    sora_creds_manager.set_credentials(&new_creds)?;
+  }
+
+  info!("New Sora Task ID: {:?} ", response.task_id);
+
+  sora_task_queue.insert(&response.task_id)?;
+
+  Ok(())
+}

crates/desktop/artcraft/src/events/mod.rs

@@ -0,0 +1,4 @@
+pub mod notification_event;
+pub mod sendable_event_error;
+pub mod sendable_event_trait;
+pub mod sora;

crates/desktop/artcraft/src/events/sendable_event_error.rs

@@ -0,0 +1,31 @@
+use std::error::Error;
+use std::fmt::{Display, Formatter};
+
+#[derive(Debug)]
+pub enum SendableEventError {
+  TauriError(tauri::Error),
+  AnyhowError(anyhow::Error),
+}
+
+impl Error for SendableEventError {}
+
+impl Display for SendableEventError {
+  fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+    match self {
+      Self::TauriError(err) => write!(f, "SendableEventError::TauriError: {}", err),
+      Self::AnyhowError(err) => write!(f, "SendableEventError::AnyhowError: {}", err),
+    }
+  }
+}
+
+impl From<anyhow::Error> for SendableEventError {
+  fn from(err: anyhow::Error) -> Self {
+    SendableEventError::AnyhowError(err)
+  }
+}
+
+impl From<tauri::Error> for SendableEventError {
+  fn from(err: tauri::Error) -> Self {
+    SendableEventError::TauriError(err)
+  }
+}

crates/desktop/artcraft/src/events/sendable_event_trait.rs

@@ -0,0 +1,21 @@
+use log::info;
+use crate::events::sendable_event_error::SendableEventError;
+use serde::Serialize;
+use tauri::{AppHandle, Emitter};
+
+/// Implement this on a Serializable object to be able to send it as an event to the frontend.
+pub trait SendableEvent : Serialize {
+  /// This is the name of the event that the frontend subscribes to.
+  const FRONTEND_EVENT_NAME: &'static str;
+  
+  /// Default implementation of send(). 
+  /// This serializes and sends the event to the frontend.
+  fn send(&self, app: &AppHandle) -> Result<(), SendableEventError> {
+    info!("Sending event to frontend: {}", Self::FRONTEND_EVENT_NAME);
+    let result = app.emit(Self::FRONTEND_EVENT_NAME, self);
+    if let Err(err) = result {
+      return Err(SendableEventError::from(err));
+    }
+    Ok(())
+  }
+}

crates/desktop/artcraft/src/events/sora/mod.rs

@@ -0,0 +1,5 @@
+pub mod sora_image_enqueue_failure_event;
+pub mod sora_image_enqueue_success_event;
+pub mod sora_image_generation_complete_event;
+pub mod sora_image_generation_failed_event;
+pub mod sora_login_success_event;

crates/desktop/artcraft/src/events/sora/sora_image_enqueue_failure_event.rs

@@ -0,0 +1,11 @@
+use crate::events::sendable_event_trait::SendableEvent;
+use serde_derive::Serialize;
+
+#[derive(Debug, Clone, Serialize)]
+pub struct SoraImageEnqueueFailureEvent {
+  // TODO: Reason.
+}
+
+impl SendableEvent for SoraImageEnqueueFailureEvent {
+  const FRONTEND_EVENT_NAME: &'static str = "sora-image-enqueue-failure";
+}

crates/desktop/artcraft/src/events/sora/sora_image_enqueue_success_event.rs

@@ -0,0 +1,11 @@
+use crate::events::sendable_event_trait::SendableEvent;
+use serde_derive::Serialize;
+
+#[derive(Debug, Clone, Serialize)]
+pub struct SoraImageEnqueueSuccessEvent {
+  // TODO: Token, etc.
+}
+
+impl SendableEvent for SoraImageEnqueueSuccessEvent {
+  const FRONTEND_EVENT_NAME: &'static str = "sora-image-enqueue-success";
+}

crates/desktop/artcraft/src/events/sora/sora_image_generation_complete_event.rs

@@ -0,0 +1,12 @@
+use serde_derive::Serialize;
+use tokens::tokens::media_files::MediaFileToken;
+use crate::events::sendable_event_trait::SendableEvent;
+
+#[derive(Debug, Clone, Serialize)]
+pub struct SoraImageGenerationCompleteEvent {
+  pub media_file_token: MediaFileToken,
+}
+
+impl SendableEvent for SoraImageGenerationCompleteEvent {
+  const FRONTEND_EVENT_NAME: &'static str = "sora-image-generation-complete";
+}

crates/desktop/artcraft/src/events/sora/sora_image_generation_failed_event.rs

@@ -0,0 +1,12 @@
+use serde_derive::Serialize;
+use crate::events::sendable_event_trait::SendableEvent;
+
+#[derive(Debug, Clone, Serialize)]
+pub struct SoraImageGenerationFailedEvent {
+  pub prompt: String,
+}
+
+impl SendableEvent for SoraImageGenerationFailedEvent {
+  const FRONTEND_EVENT_NAME: &'static str = "sora-image-generation-failed";
+}
+

crates/desktop/artcraft/src/events/sora/sora_login_success_event.rs

@@ -0,0 +1,11 @@
+use crate::events::sendable_event_trait::SendableEvent;
+use serde_derive::Serialize;
+
+#[derive(Debug, Clone, Serialize)]
+pub struct SoraLoginSuccessEvent {
+  // TODO: Reason.
+}
+
+impl SendableEvent for SoraLoginSuccessEvent {
+  const FRONTEND_EVENT_NAME: &'static str = "sora-login-success";
+}

crates/desktop/artcraft/src/lib.rs

@@ -0,0 +1,134 @@
+pub mod commands;
+pub mod events;
+pub mod state;
+pub mod threads;
+pub mod utils;
+pub mod windows;
+
+use tauri::Manager;
+
+use crate::commands::app_preferences::get_app_preferences_command::get_app_preferences_command;
+use crate::commands::app_preferences::update_app_preference_command::update_app_preferences_command;
+use crate::commands::flip_image::flip_image;
+use crate::commands::platform_info_command::platform_info_command;
+use crate::commands::sora::check_sora_session_command::check_sora_session_command;
+use crate::commands::sora::open_sora_login_command::open_sora_login_command;
+use crate::commands::sora::sora_image_generation_command::sora_image_generation_command;
+use crate::commands::sora::sora_image_remix_command::sora_image_remix_command;
+use crate::state::app_preferences::app_preferences_manager::load_app_preferences_or_default;
+use crate::state::data_dir::app_data_root::AppDataRoot;
+use crate::state::main_window_size::MainWindowSize;
+use crate::state::sora::sora_credential_manager::SoraCredentialManager;
+use crate::state::sora::sora_task_queue::SoraTaskQueue;
+use crate::state::storyteller::storyteller_credential_manager::StorytellerCredentialManager;
+use crate::threads::discord_presence_thread::discord_presence_thread;
+use crate::threads::main_window_thread::main_window_thread::main_window_thread;
+use crate::threads::sora_task_polling_thread::sora_task_polling_thread;
+use crate::utils::webview_unsafe::webview_unsafe_for_app;
+
+use tauri_plugin_dialog;
+use tauri_plugin_http;
+use tauri_plugin_log::Target;
+use tauri_plugin_log::TargetKind;
+
+#[cfg_attr(mobile, tauri::mobile_entry_point)]
+pub fn run() {
+  // NB: Tauri wants to install the logger itself, so we can't rely on the logger crate
+  // until the tauri runtime begins.
+  println!("Loading config...");
+  let app_data_root = AppDataRoot::create_default().expect("data directory should be created");
+  let app_data_root_2 = app_data_root.clone();
+
+  println!("Loading app preferences...");
+  let app_preferences = load_app_preferences_or_default(&app_data_root);
+  
+  println!("Attempting to read existing artcraft credentials...");
+  let storyteller_creds_manager = StorytellerCredentialManager::initialize_from_disk_infallible(&app_data_root);
+  let storyteller_creds_manager_2 = storyteller_creds_manager.clone();
+  
+  println!("Attempting to read existing credentials...");
+  let sora_creds_manager = SoraCredentialManager::initialize_from_disk_infallible(&app_data_root);
+  let sora_creds_manager_2 = sora_creds_manager.clone();
+
+  // Other state
+  let sora_task_queue = SoraTaskQueue::new();
+  let sora_task_queue_2 = sora_task_queue.clone();
+
+  println!("Initializing backend runtime...");
+
+  tauri::Builder::default()
+    .plugin(tauri_plugin_dialog::init())
+    .plugin(tauri_plugin_http::init())
+    .plugin(tauri_plugin_upload::init())
+    .plugin(tauri_plugin_log::Builder::new()
+      .level(log::LevelFilter::Info)
+      .targets(vec![
+        Target::new(TargetKind::Stdout),
+        Target::new(TargetKind::LogDir {
+          file_name: Some(app_data_root.log_file_name_str().to_string())
+        }),
+      ])
+      .build())
+    .setup(move |app| {
+      // TODO(bt): This is broken on windows
+      // log_environment_details();
+
+      //if cfg!(debug_assertions) {
+      //  app.handle().plugin(
+      //    tauri_plugin_log::Builder::default()
+      //      .level(log::LevelFilter::Info)
+      //      .build(),
+      //  )?;
+      //}
+      let app = app.handle().clone();
+      
+      let result = webview_unsafe_for_app(&app);
+      if let Err(err) = result {
+        eprintln!("Error setting webview unsafe: {:?}", err);
+      }
+
+      let app_2 = app.clone();
+      let app_3 = app.clone();
+      let app_4 = app.clone();
+      let app_data_root_3 = app_data_root_2.clone();
+      let app_data_root_4 = app_data_root_2.clone();
+      let sora_creds_manager_3 = sora_creds_manager_2.clone();
+      let storyteller_creds_manager_3 = storyteller_creds_manager.clone();
+
+      match MainWindowSize::from_filesystem_configs(&app_data_root_3) {
+        Ok(None) => {}
+        Ok(Some(size)) => {
+          println!("Resizing window to: {:?}", size);
+          let result = size.apply_to_main_window(&app);
+          if let Err(err) = result {
+            eprintln!("Could not set window size: {:?}", err);
+          }
+        }
+        Err(err) => {
+          eprintln!("Failed to read window size from disk: {:?}", err);
+        }
+      }
+
+      tauri::async_runtime::spawn(main_window_thread(app_3, app_data_root_3, storyteller_creds_manager_2));
+      tauri::async_runtime::spawn(sora_task_polling_thread(app_4, app_data_root_4, sora_creds_manager_3, storyteller_creds_manager_3, sora_task_queue_2));
+      tauri::async_runtime::spawn(discord_presence_thread());
+
+      Ok(())
+    })
+    .manage(app_data_root)
+    .manage(app_preferences)
+    .manage(sora_creds_manager)
+    .manage(sora_task_queue)
+    .invoke_handler(tauri::generate_handler![
+      check_sora_session_command,
+      flip_image,
+      get_app_preferences_command,
+      open_sora_login_command,
+      platform_info_command,
+      sora_image_generation_command,
+      sora_image_remix_command,
+      update_app_preferences_command,
+    ])
+    .run(tauri::generate_context!("tauri.conf.json"))
+    .expect("error while running tauri application");
+}

crates/desktop/artcraft/src/main.rs

@@ -2,5 +2,5 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")]
 
 fn main() {
-  tauri_artcraft_app_lib::run();
+  artcraft_app_lib::run();
 }

crates/desktop/artcraft/src/state/app_preferences/app_preferences.rs

@@ -0,0 +1,60 @@
+use crate::state::app_preferences::app_preferences_serializable::AppPreferencesSerializable;
+use crate::state::app_preferences::preferred_download_directory::{PreferredDownloadDirectory, SystemDownloadDirectory};
+use crate::state::data_dir::app_data_root::AppDataRoot;
+
+#[derive(Clone)]
+pub struct AppPreferences {
+  /// The downloads directory to use when a user downloads a file.
+  pub preferred_download_directory: PreferredDownloadDirectory,
+
+  /// Play sounds on events.
+  pub play_sounds: bool,
+  
+  /// Key pointing to file; defined in the frontend code.
+  pub generation_success_sound: Option<String>,
+  
+  /// Key pointing to file; defined in the frontend code.
+  pub generation_failure_sound: Option<String>,
+  
+  /// Key pointing to file; defined in the frontend code.
+  pub generation_enqueue_sound: Option<String>,
+}
+
+impl Default for AppPreferences {
+  fn default() -> Self {
+    Self {
+      preferred_download_directory: PreferredDownloadDirectory::System(SystemDownloadDirectory::Downloads),
+      play_sounds: true,
+      // NB: These are defined in the frontend.
+      generation_success_sound: Some("flower".to_string()),
+      generation_failure_sound: Some("crumble".to_string()),
+      generation_enqueue_sound: Some("done".to_string()),
+    }
+  }
+}
+
+impl AppPreferences {
+  pub fn load_from_file_or_default(data_root: &AppDataRoot) -> Self {
+    let filename = data_root.settings_dir().get_app_preferences_path();
+    if !filename.exists() {
+      return Self::default();
+    }
+
+    match AppPreferencesSerializable::load_from_file(data_root) {
+      Ok(Some(serializable)) => {
+        serializable.to_preferences()
+      }
+      Ok(None) => {
+        Self::default()
+      }
+      Err(err) => {
+        println!("Error loading app preferences: {}", err);
+        Self::default()
+      }
+    }
+  }
+  
+  pub fn to_serializable(&self) -> AppPreferencesSerializable {
+    AppPreferencesSerializable::from_preferences(self)
+  }
+}

crates/desktop/artcraft/src/state/app_preferences/app_preferences_manager.rs

@@ -0,0 +1,10 @@
+use crate::state::app_preferences::app_preferences::AppPreferences;
+use crate::state::data_dir::app_data_root::AppDataRoot;
+use memory_store::clone_cell::CloneCell;
+
+pub type AppPreferencesManager = CloneCell<AppPreferences>;
+
+pub fn load_app_preferences_or_default(data_root: &AppDataRoot) -> AppPreferencesManager {
+  let prefs = AppPreferences::load_from_file_or_default(data_root);
+  AppPreferencesManager::with_owned(prefs)
+}

crates/desktop/artcraft/src/state/app_preferences/app_preferences_serializable.rs

@@ -0,0 +1,71 @@
+use crate::state::app_preferences::app_preferences::AppPreferences;
+use crate::state::app_preferences::preferred_download_directory::PreferredDownloadDirectory;
+use crate::state::data_dir::app_data_root::AppDataRoot;
+use errors::AnyhowResult;
+use serde_derive::{Deserialize, Serialize};
+
+/// Vector clock versioning string rather than semver.
+const CURRENT_VERSION: &str = "1";
+
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct AppPreferencesSerializable {
+  /// Versioning string.
+  pub version: String,
+  
+  /// The downloads directory to use when a user downloads a file.
+  pub preferred_download_directory: Option<PreferredDownloadDirectory>,
+
+  /// Play sounds on events.
+  pub play_sounds: Option<bool>,
+  
+  /// Key pointing to file; defined in the frontend code.
+  pub generation_success_sound: Option<String>,
+  
+  /// Key pointing to file; defined in the frontend code.
+  pub generation_failure_sound: Option<String>,
+  
+  /// Key pointing to file; defined in the frontend code.
+  pub generation_enqueue_sound: Option<String>,
+}
+
+impl AppPreferencesSerializable {
+  pub fn load_from_file(app_data_root: &AppDataRoot) -> AnyhowResult<Option<Self>> {
+    let filename = app_data_root.settings_dir().get_app_preferences_path();
+    if !filename.exists() {
+      return Ok(None);
+    }
+
+    let contents = std::fs::read_to_string(filename)?;
+    let data: Self = serde_json::from_str(&contents)?;
+    Ok(Some(data))
+  }
+
+  pub fn from_preferences(preferences: &AppPreferences) -> Self {
+    Self {
+      version: CURRENT_VERSION.to_string(),
+      preferred_download_directory: Some(preferences.preferred_download_directory.clone()),
+      play_sounds: Some(preferences.play_sounds),
+      generation_success_sound: preferences.generation_success_sound.clone(),
+      generation_failure_sound: preferences.generation_failure_sound.clone(),
+      generation_enqueue_sound: preferences.generation_enqueue_sound.clone(),
+    }
+  }
+
+  pub fn to_preferences(&self) -> AppPreferences {
+    let mut preferences = AppPreferences::default();
+
+    if let Some(preferred_download_directory) = &self.preferred_download_directory {
+      preferences.preferred_download_directory = preferred_download_directory.clone();
+    }
+
+    if let Some(play_sounds) = self.play_sounds {
+      preferences.play_sounds = play_sounds;
+    }
+    
+    preferences.generation_success_sound = self.generation_success_sound.clone();
+    preferences.generation_failure_sound = self.generation_failure_sound.clone();
+    preferences.generation_enqueue_sound = self.generation_enqueue_sound.clone();
+    
+    preferences
+  }
+}

crates/desktop/artcraft/src/state/app_preferences/mod.rs

@@ -0,0 +1,4 @@
+pub mod app_preferences;
+pub mod app_preferences_manager;
+pub mod app_preferences_serializable;
+pub mod preferred_download_directory;

crates/desktop/artcraft/src/state/app_preferences/preferred_download_directory.rs

@@ -0,0 +1,82 @@
+use errors::AnyhowError;
+use serde_derive::{Deserialize, Serialize};
+use std::fmt::{Display, Formatter};
+use std::path::PathBuf;
+use std::str::FromStr;
+
+const SYSTEM_DEFAULT_SENTINEL_VALUE: &str = "system_default";
+
+/// NB: The reason these are not flat is so that they serialize/deserialize nicely to/from JSON.
+#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq)]
+#[serde(rename_all = "snake_case")]
+pub enum PreferredDownloadDirectory {
+  /// The system-default downloads directory, which varies by OS.
+  /// NB: Serializes as `"system_default"` in JSON.
+  System(SystemDownloadDirectory),
+  
+  /// A user-defined path
+  /// NB: Serializes as `{"custom": "/path/to/dir"}` in JSON.
+  Custom(PathBuf),
+}
+
+#[derive(Debug, Clone, Serialize, Deserialize, Eq, PartialEq)]
+#[serde(rename_all = "snake_case")]
+pub enum SystemDownloadDirectory {
+  Downloads,
+  Documents,
+}
+
+impl FromStr for SystemDownloadDirectory {
+  type Err = AnyhowError;
+
+  fn from_str(s: &str) -> Result<Self, Self::Err> {
+    match (s) {
+      "downloads" => Ok(SystemDownloadDirectory::Downloads),
+      "documents" => Ok(SystemDownloadDirectory::Documents),
+      _ => Err(AnyhowError::msg(format!("Invalid system download directory: {}", s))),
+    }
+  }
+}
+
+impl Display for PreferredDownloadDirectory {
+  fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+    match self {
+      PreferredDownloadDirectory::System(system) => system.fmt(f),
+      PreferredDownloadDirectory::Custom(path) => write!(f, "{}", path.to_string_lossy()),
+    }
+  }
+}
+
+impl Display for SystemDownloadDirectory {
+  fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
+    match self {
+      SystemDownloadDirectory::Downloads => write!(f, "downloads"),
+      SystemDownloadDirectory::Documents => write!(f, "documents"),
+    }
+  }
+}
+
+#[cfg(test)]
+mod tests {
+  use crate::state::app_preferences::preferred_download_directory::PreferredDownloadDirectory;
+  use crate::state::app_preferences::preferred_download_directory::SystemDownloadDirectory;
+  use std::str::FromStr;
+
+  mod json {
+    use super::*;
+
+    #[test]
+    fn to_json_system_default() {
+      let val = PreferredDownloadDirectory::System(SystemDownloadDirectory::Documents);
+      let val = serde_json::to_string(&val).unwrap();
+      assert_eq!(&val, "{\"system\":\"documents\"}");
+    }
+    
+    #[test]
+    fn to_json_custom() {
+      let val = PreferredDownloadDirectory::Custom("/tmp".into());
+      let val = serde_json::to_string(&val).unwrap();
+      assert_eq!(&val, "{\"custom\":\"/tmp\"}");
+    }
+  }
+}

crates/desktop/artcraft/src/state/app_startup_time.rs

@@ -0,0 +1,22 @@
+use chrono::{DateTime, TimeDelta, Utc};
+
+pub struct AppStartupTime {
+  startup_time: DateTime<Utc>,
+}
+
+impl AppStartupTime {
+  pub fn new() -> Self {
+    Self {
+      startup_time: Utc::now(),
+    }
+  }
+
+  pub fn get_startup_time(&self) -> DateTime<Utc> {
+    self.startup_time
+  }
+  
+  pub fn time_delta_since(&self) -> TimeDelta {
+    let now = Utc::now();
+    now.signed_duration_since(self.startup_time)
+  }
+}

crates/desktop/artcraft/src/state/data_dir/app_assets_dir.rs

@@ -0,0 +1,36 @@
+use crate::state::data_dir::trait_data_subdir::DataSubdir;
+use chrono::{DateTime, Local};
+use std::path::{Path, PathBuf};
+
+#[derive(Clone)]
+pub struct AppAssetsDir {
+  path: PathBuf,
+}
+
+impl  DataSubdir for AppAssetsDir {
+  const DIRECTORY_NAME: &'static str = "assets";
+
+  fn new_from<P: AsRef<Path>>(dir: P) -> Self {
+    Self {
+      path: dir.as_ref().to_path_buf(),
+    }
+  }
+
+  fn path(&self) -> &Path {
+    &self.path
+  }
+}
+
+impl AppAssetsDir {
+  /// Return the current date asset directory
+  /// If it doesn't exist, create it.
+  pub fn make_or_get_current_date_dir(&self) -> anyhow::Result<PathBuf> {
+    let format: DateTime<Local> = Local::now();
+    let date_directory_name = format.format("%Y-%d-%m").to_string();
+    let full_path = self.path.join(date_directory_name);
+    if !full_path.exists() {
+      std::fs::create_dir(&full_path)?;
+    }
+    Ok(full_path)
+  }
+}

crates/desktop/artcraft/src/state/data_dir/app_credentials_dir.rs

@@ -0,0 +1,43 @@
+use crate::state::data_dir::trait_data_subdir::DataSubdir;
+use std::path::{Path, PathBuf};
+
+#[derive(Clone)]
+pub struct AppCredentialsDir {
+  path: PathBuf,
+}
+
+impl DataSubdir for AppCredentialsDir {
+  const DIRECTORY_NAME: &'static str = "credentials";
+
+  fn new_from<P: AsRef<Path>> (dir: P) -> Self {
+    Self {
+      path: dir.as_ref().to_path_buf(),
+    }
+  }
+
+  fn path(&self) -> &Path {
+    &self.path
+  }
+}
+
+impl AppCredentialsDir {
+  pub fn get_sora_cookie_file_path(&self) -> PathBuf {
+    self.path.join("sora_cookies.txt")
+  }
+
+  pub fn get_sora_bearer_token_file_path(&self) -> PathBuf {
+    self.path.join("sora_bearer_token.txt")
+  }
+
+  pub fn get_sora_sentinel_file_path(&self) -> PathBuf {
+    self.path.join("sora_sentinel.txt")
+  }
+
+  pub fn get_storyteller_avt_cookie_file_path(&self) -> PathBuf {
+    self.path.join("artcraft_avt.txt")
+  }
+  
+  pub fn get_storyteller_session_cookie_file_path(&self) -> PathBuf {
+    self.path.join("artcraft_session.txt")
+  }
+}

crates/desktop/artcraft/src/state/data_dir/app_data_root.rs

@@ -0,0 +1,147 @@
+use crate::state::data_dir::app_assets_dir::AppAssetsDir;
+use crate::state::data_dir::app_credentials_dir::AppCredentialsDir;
+use crate::state::data_dir::app_downloads_dir::AppDownloadsDir;
+use crate::state::data_dir::app_settings_dir::AppSettingsDir;
+use crate::state::data_dir::app_weights_dir::AppWeightsDir;
+use crate::state::data_dir::temporary_dir::TemporaryDir;
+use crate::state::data_dir::trait_data_subdir::DataSubdir;
+use crate::state::expanduser::expanduser;
+use crate::state::os_platform::OsPlatform;
+use anyhow::anyhow;
+use directories::UserDirs;
+use std::path::{Path, PathBuf};
+
+const DEFAULT_DATA_DIR : &str = "Artcraft";
+
+/// Note: Tauri appends ".log" to the end of the filename.
+const LOG_FILE_NAME : &str = "application_debug";
+
+/// The path to the application data directory, which includes "asset" and "weights" data.
+#[derive(Clone)]
+pub struct AppDataRoot {
+  path: PathBuf,
+  assets_dir: AppAssetsDir,
+  credentials_dir: AppCredentialsDir,
+  downloads_dir: AppDownloadsDir,
+  settings_dir: AppSettingsDir,
+  weights_dir: AppWeightsDir,
+  temp_dir: TemporaryDir,
+  log_file_name: PathBuf,
+  log_file_name_string: String,
+}
+
+impl AppDataRoot {
+  pub fn create_default() -> anyhow::Result<Self> {
+    let directory = get_default_data_dir()?;
+    Self::create_existing(directory)
+  }
+
+  pub fn create_existing<P: AsRef<Path>>(dir: P) -> anyhow::Result<Self> {
+    let mut dir = dir.as_ref().to_path_buf();
+    
+    match OsPlatform::get() {
+      OsPlatform::Linux | OsPlatform::MacOs => {
+        if let Some(d) = dir.as_os_str().to_str() {
+          dir = expanduser(d)?;
+        }
+      },
+      OsPlatform::Windows => {}
+    }
+    
+    if !dir.is_dir() {
+      println!("Creating directory {:?}", dir);
+      std::fs::create_dir_all(&dir)?;
+    }
+
+    match dir.canonicalize() {
+      Ok(d) => dir = d,
+      Err(err) => {
+        println!("Error canonicalizing {:?}: {}", dir, err);
+      }
+    }
+    
+    let assets_dir = AppAssetsDir::get_or_create_in_root_dir(&dir)?;
+    let credentials_dir = AppCredentialsDir::get_or_create_in_root_dir(&dir)?;
+    let downloads_dir = AppDownloadsDir::get_or_create_in_root_dir(&dir)?;
+    let settings_dir = AppSettingsDir::get_or_create_in_root_dir(&dir)?;
+    let temp_dir = TemporaryDir::get_or_create_in_root_dir(&dir)?;
+    let weights_dir = AppWeightsDir::get_or_create_in_root_dir(&dir)?;
+    let log_file_name = dir.join(LOG_FILE_NAME);
+    let log_file_name_string = log_file_name
+        .to_str()
+        .ok_or(anyhow!("couldn't convert log path to str"))?
+        .to_string();
+
+    Ok(Self {
+      path: dir,
+      assets_dir,
+      credentials_dir,
+      downloads_dir,
+      settings_dir,
+      weights_dir,
+      temp_dir,
+      log_file_name,
+      log_file_name_string,
+    })
+  }
+  
+  pub fn assets_dir(&self) -> &AppAssetsDir {
+    &self.assets_dir
+  }
+
+  pub fn credentials_dir(&self) -> &AppCredentialsDir {
+    &self.credentials_dir
+  }
+
+  pub fn downloads_dir(&self) -> &AppDownloadsDir {
+    &self.downloads_dir
+  }
+
+  pub fn settings_dir(&self) -> &AppSettingsDir {
+    &self.settings_dir
+  }
+
+  pub fn weights_dir(&self) -> &AppWeightsDir {
+    &self.weights_dir
+  }
+
+  pub fn temp_dir(&self) -> &TemporaryDir {
+    &self.temp_dir
+  }
+
+  pub fn path(&self) -> &Path {
+    &self.path
+  }
+
+  pub fn log_file_name(&self) -> &Path {
+    &self.log_file_name
+  }
+
+  pub fn log_file_name_str(&self) -> &str {
+    &self.log_file_name_string
+  }
+
+  pub fn get_sora_cookie_file_path(&self) -> PathBuf {
+    self.credentials_dir().get_sora_cookie_file_path()
+  }
+
+  pub fn get_sora_bearer_token_file_path(&self) -> PathBuf {
+    self.credentials_dir().get_sora_bearer_token_file_path()
+  }
+
+  pub fn get_sora_sentinel_file_path(&self) -> PathBuf {
+    self.credentials_dir().get_sora_sentinel_file_path()
+  }
+
+  pub fn get_window_size_config_file(&self) -> PathBuf {
+    self.path.join("window_size.json")
+  }
+}
+
+// eg. /home/bob/artcraft, /Users/bob/artcraft, or C:\Users\Alice\artcraft
+fn get_default_data_dir() -> anyhow::Result<PathBuf> {
+  Ok(UserDirs::new()
+      .ok_or_else(|| anyhow!("could not determine user home directory"))?
+      .home_dir()
+      .join(DEFAULT_DATA_DIR))
+}

crates/desktop/artcraft/src/state/data_dir/app_downloads_dir.rs

@@ -0,0 +1,21 @@
+use crate::state::data_dir::trait_data_subdir::DataSubdir;
+use std::path::{Path, PathBuf};
+
+#[derive(Clone)]
+pub struct AppDownloadsDir {
+  path: PathBuf,
+}
+
+impl DataSubdir for AppDownloadsDir {
+  const DIRECTORY_NAME: &'static str = "downloads";
+
+  fn new_from<P: AsRef<Path>>(dir: P) -> Self {
+    Self {
+      path: dir.as_ref().to_path_buf(),
+    }
+  }
+
+  fn path(&self) -> &Path {
+    &self.path
+  }
+}

crates/desktop/artcraft/src/state/data_dir/app_settings_dir.rs

@@ -0,0 +1,56 @@
+use crate::state::app_preferences::app_preferences::AppPreferences;
+use crate::state::data_dir::trait_data_subdir::DataSubdir;
+use errors::AnyhowResult;
+use serde::Serialize;
+use std::fs::OpenOptions;
+use std::io::Write;
+use std::path::{Path, PathBuf};
+
+/// For now, let's just keep a collection of loose json files in a settings dir.
+/// Once we know the structure and schema, we can standardize on a single json file.
+#[derive(Clone)]
+pub struct AppSettingsDir {
+  path: PathBuf,
+}
+
+impl DataSubdir for AppSettingsDir {
+  const DIRECTORY_NAME: &'static str = "settings";
+
+  fn new_from<P: AsRef<Path>> (dir: P) -> Self {
+    Self {
+      path: dir.as_ref().to_path_buf(),
+    }
+  }
+
+  fn path(&self) -> &Path {
+    &self.path
+  }
+}
+
+impl AppSettingsDir {
+  pub fn get_app_preferences_path(&self) -> PathBuf {
+    self.path.join("app_preferences.json")
+  }
+  
+  pub fn write_app_preferences(&self, prefs: &AppPreferences) -> AnyhowResult<()> {
+    let serializable = prefs.to_serializable();
+
+    let formatter = serde_json::ser::PrettyFormatter::with_indent(b"  ");
+    let mut buf = Vec::new();
+    let mut ser = serde_json::Serializer::with_formatter(&mut buf, formatter);
+    serializable.serialize(&mut ser)?;
+
+    let filename = self.get_app_preferences_path();
+
+    let mut file = OpenOptions::new()
+        .create(true)
+        .write(true)
+        .truncate(true)
+        .open(filename)?;
+
+    file.write_all(&buf)?;
+    file.flush()?;
+    
+    Ok(())
+  }
+}

crates/desktop/artcraft/src/state/data_dir/app_weights_dir.rs

@@ -0,0 +1,21 @@
+use crate::state::data_dir::trait_data_subdir::DataSubdir;
+use std::path::{Path, PathBuf};
+
+#[derive(Clone)]
+pub struct AppWeightsDir {
+  path: PathBuf,
+}
+
+impl DataSubdir for AppWeightsDir {
+  const DIRECTORY_NAME: &'static str = "weights";
+
+  fn new_from<P: AsRef<Path>>(dir: P) -> Self {
+    Self {
+      path: dir.as_ref().to_path_buf(),
+    }
+  }
+
+  fn path(&self) -> &Path {
+    &self.path
+  }
+}

crates/desktop/artcraft/src/state/data_dir/mod.rs

@@ -0,0 +1,8 @@
+pub mod app_assets_dir;
+pub mod app_credentials_dir;
+pub mod app_data_root;
+pub mod app_downloads_dir;
+pub mod app_settings_dir;
+pub mod app_weights_dir;
+pub mod temporary_dir;
+pub mod trait_data_subdir;

crates/desktop/artcraft/src/state/data_dir/temporary_dir.rs

@@ -0,0 +1,38 @@
+use crate::state::data_dir::trait_data_subdir::DataSubdir;
+use std::path::{Path, PathBuf};
+use tempdir::TempDir;
+use tempfile::{Builder, NamedTempFile};
+
+#[derive(Clone)]
+pub struct TemporaryDir {
+  path: PathBuf,
+}
+
+impl DataSubdir for TemporaryDir {
+  const DIRECTORY_NAME: &'static str = "temp";
+
+  fn new_from<P: AsRef<Path>>(dir: P) -> Self {
+    Self {
+      path: dir.as_ref().to_path_buf(),
+    }
+  }
+
+  fn path(&self) -> &Path {
+    &self.path
+  }
+}
+
+impl TemporaryDir {
+  pub fn with_prefix(&self, prefix: &str) -> anyhow::Result<TempDir> {
+    let tempdir = TempDir::new_in(&self.path, prefix)?;
+    Ok(tempdir)
+  }
+
+  pub fn new_named_temp_file(&self) -> anyhow::Result<NamedTempFile> {
+    let tempfile = Builder::new()
+        .prefix("temp_")
+        .suffix(".bin")
+        .tempfile_in(&self.path)?;
+    Ok(tempfile)
+  }
+}