diff --git a/.github/workflows/ui-tests.yml b/.github/workflows/ui-tests.yml
index 8182739..6497ffe 100644
--- a/.github/workflows/ui-tests.yml
+++ b/.github/workflows/ui-tests.yml
@@ -1,8 +1,8 @@
-name: UI Tests (Playwright + tauri-driver)
+name: UI Tests
 
 on:
   push:
-    branches: [ main ]
+    branches: [ master ]
   pull_request:
 
 jobs:
@@ -16,19 +16,11 @@ jobs:
         with:
           node-version: '22'
 
-      - name: Set up Rust
-        uses: dtolnay/rust-toolchain@stable
-
       - name: Install JS deps
         run: npm install --no-fund
 
       - name: Install Playwright browsers
         run: npx playwright install --with-deps
 
-      - name: Install tauri-driver
-        run: cargo install tauri-driver --locked
-
-      - name: Run Playwright tests
-        env:
-          PATH: "$HOME/.cargo/bin:${PATH}"
+      - name: Run Playwright smoke tests
         run: npm run test:ui
diff --git a/Cargo.lock b/Cargo.lock
index 64da66f..1c57b52 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -24,19 +24,6 @@ version = "2.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "320119579fcad9c21884f5c4861d16174d0e06250625266f50fe6898340abefa"
 
-[[package]]
-name = "always-on-top"
-version = "0.1.0"
-dependencies = [
- "cocoa",
- "directories",
- "objc",
- "once_cell",
- "serde",
- "serde_json",
- "winit",
-]
-
 [[package]]
 name = "android-activity"
 version = "0.4.3"
@@ -331,6 +318,19 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "float"
+version = "0.1.0"
+dependencies = [
+ "cocoa",
+ "directories",
+ "objc",
+ "once_cell",
+ "serde",
+ "serde_json",
+ "winit",
+]
+
 [[package]]
 name = "foreign-types"
 version = "0.3.2"
diff --git a/Cargo.toml b/Cargo.toml
index a030143..7edb618 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "always-on-top"
+name = "float"
 version = "0.1.0"
 edition = "2021"
 description = "Float - minimal utility to keep a window always on top."
diff --git a/dist/apple-touch-icon.png b/dist/apple-touch-icon.png
new file mode 100644
index 0000000..366c60e
Binary files /dev/null and b/dist/apple-touch-icon.png differ
diff --git a/dist/favicon.ico b/dist/favicon.ico
new file mode 100644
index 0000000..3b15af5
Binary files /dev/null and b/dist/favicon.ico differ
diff --git a/dist/index.html b/dist/index.html
index e9df086..2c48e1a 100644
--- a/dist/index.html
+++ b/dist/index.html
@@ -4,6 +4,8 @@
     <meta charset="utf-8" />
     <meta http-equiv="Content-Security-Policy" content="default-src 'self'; img-src 'self' tauri: asset: file: data: blob: filesystem:; style-src 'self' 'unsafe-inline'; script-src 'self' 'unsafe-eval' 'unsafe-inline'; connect-src 'self' ipc:">
     <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <link rel="icon" href="/favicon.ico" sizes="any" />
+    <link rel="apple-touch-icon" href="/apple-touch-icon.png" />
     <title>Float</title>
     <style>
       html, body { height: 100%; margin: 0; font-family: -apple-system, system-ui, Segoe UI, Roboto, Arial, sans-serif; background: #111; color: #ccc; }
@@ -41,6 +43,13 @@
       <div class="controls no-drag">
         <button id="prevBtn" class="btn no-drag" type="button">Previous</button>
         <button id="nextBtn" class="btn no-drag" type="button">Next</button>
+        <button id="slideshowBtn" class="btn no-drag" type="button">Slideshow: Off</button>
+        <select id="slideshowInterval" class="btn no-drag" aria-label="Slideshow interval">
+          <option value="2000">2s</option>
+          <option value="5000" selected>5s</option>
+          <option value="10000">10s</option>
+          <option value="15000">15s</option>
+        </select>
       </div>
     </div>
     <script>
@@ -58,8 +67,17 @@
       const statusEl = document.getElementById('status');
       const prevBtn = document.getElementById('prevBtn');
       const nextBtn = document.getElementById('nextBtn');
+      const slideshowBtn = document.getElementById('slideshowBtn');
+      const slideshowIntervalEl = document.getElementById('slideshowInterval');
       const appEl = document.getElementById('app');
 
+      const slideshowState = {
+        enabled: false,
+        intervalMs: 5000,
+        total: 0,
+      };
+      let slideshowTimer = null;
+
       const defaultPlaceholder = () => {
         const platform =
           navigator?.userAgentData?.platform ||
@@ -78,6 +96,42 @@
         statusEl.textContent = '';
         prevBtn.disabled = true;
         nextBtn.disabled = true;
+        slideshowState.total = 0;
+        syncSlideshowUi();
+        stopSlideshow();
+      };
+
+      const stopSlideshow = () => {
+        if (slideshowTimer) {
+          clearInterval(slideshowTimer);
+          slideshowTimer = null;
+        }
+      };
+
+      const syncSlideshowUi = () => {
+        if (!slideshowBtn || !slideshowIntervalEl) return;
+        slideshowBtn.textContent = `Slideshow: ${slideshowState.enabled ? 'On' : 'Off'}`;
+        slideshowIntervalEl.value = String(slideshowState.intervalMs);
+        const disabled = slideshowState.total <= 1;
+        slideshowBtn.disabled = disabled;
+        slideshowIntervalEl.disabled = disabled;
+      };
+
+      const startSlideshowIfNeeded = () => {
+        stopSlideshow();
+        if (!slideshowState.enabled || slideshowState.total <= 1) return;
+        const interval = Number(slideshowState.intervalMs) || 5000;
+        slideshowTimer = setInterval(() => {
+          invoke('next_file');
+        }, interval);
+      };
+
+      const persistSettings = async (update) => {
+        try {
+          await invoke('set_settings', { update });
+        } catch (err) {
+          console.warn('Failed to persist settings', err);
+        }
       };
 
       const buildSources = (path) => {
@@ -141,8 +195,8 @@
         const index = payload?.index ?? null;
         const total = payload?.total ?? null;
         if (!path) {
-            showPlaceholder();
-            return;
+          showPlaceholder();
+          return;
         }
         const fileName = path.split(/[\\/]/).pop() || path;
         fileInfoEl.textContent = fileName;
@@ -150,11 +204,15 @@
           statusEl.textContent = `File ${index + 1} of ${total}`;
           prevBtn.disabled = index <= 0;
           nextBtn.disabled = index >= total - 1;
+          slideshowState.total = total;
         } else {
           statusEl.textContent = '';
           prevBtn.disabled = false;
           nextBtn.disabled = false;
+          slideshowState.total = 0;
         }
+        syncSlideshowUi();
+        startSlideshowIfNeeded();
         showImage(path);
       };
 
@@ -179,6 +237,13 @@
       const bootstrap = async () => {
         try {
           const settings = await invoke('get_settings');
+          if (typeof settings?.slideshow_enabled === 'boolean') {
+            slideshowState.enabled = settings.slideshow_enabled;
+          }
+          if (typeof settings?.slideshow_interval_ms === 'number') {
+            slideshowState.intervalMs = settings.slideshow_interval_ms;
+          }
+          syncSlideshowUi();
           if (settings?.last_file) {
             renderState({ path: settings.last_file });
             return;
@@ -223,6 +288,22 @@
         showChrome();
         invoke('next_file');
       });
+      slideshowBtn?.addEventListener('click', async () => {
+        showChrome();
+        slideshowState.enabled = !slideshowState.enabled;
+        syncSlideshowUi();
+        startSlideshowIfNeeded();
+        await persistSettings({ slideshow_enabled: slideshowState.enabled });
+      });
+      slideshowIntervalEl?.addEventListener('change', async () => {
+        showChrome();
+        const next = Number(slideshowIntervalEl.value);
+        if (!Number.isFinite(next) || next < 1000) return;
+        slideshowState.intervalMs = next;
+        syncSlideshowUi();
+        startSlideshowIfNeeded();
+        await persistSettings({ slideshow_interval_ms: next });
+      });
     </script>
   </body>
 </html>
diff --git a/justfile b/justfile
index b66f11d..0ff5356 100644
--- a/justfile
+++ b/justfile
@@ -36,7 +36,7 @@ tauri-build:
 
 # Cross-build Windows release executable from macOS using cargo-xwin
 tauri-build-windows:
-	set -euo pipefail; TARGET="x86_64-pc-windows-msvc"; if ! rustup target list --installed | grep -q "^${TARGET}$"; then rustup target add "${TARGET}"; fi; if ! command -v cargo-xwin >/dev/null 2>&1; then echo "cargo-xwin not found; installing..." >&2; cargo install cargo-xwin --locked; fi; if [ "$(uname -s)" != "Darwin" ]; then echo "tauri-build-windows is intended to run from macOS hosts" >&2; fi; cargo xwin build --release --target "${TARGET}" --manifest-path src-tauri/Cargo.toml; APP_EXE="src-tauri/target/${TARGET}/release/always-on-top-tauri.exe"; FLOAT_EXE="src-tauri/target/${TARGET}/release/Float.exe"; if [ ! -f "${APP_EXE}" ]; then echo "Expected executable not found at ${APP_EXE}" >&2; exit 1; fi; cp "${APP_EXE}" "${FLOAT_EXE}"; echo "Windows executable ready at ${FLOAT_EXE}"
+	set -euo pipefail; TARGET="x86_64-pc-windows-msvc"; if ! rustup target list --installed | grep -q "^${TARGET}$"; then rustup target add "${TARGET}"; fi; if ! command -v cargo-xwin >/dev/null 2>&1; then echo "cargo-xwin not found; installing..." >&2; cargo install cargo-xwin --locked; fi; if [ "$(uname -s)" != "Darwin" ]; then echo "tauri-build-windows is intended to run from macOS hosts" >&2; fi; cargo xwin build --release --target "${TARGET}" --manifest-path src-tauri/Cargo.toml; APP_EXE="src-tauri/target/${TARGET}/release/float-tauri.exe"; FLOAT_EXE="src-tauri/target/${TARGET}/release/Float.exe"; if [ ! -f "${APP_EXE}" ]; then echo "Expected executable not found at ${APP_EXE}" >&2; exit 1; fi; cp "${APP_EXE}" "${FLOAT_EXE}"; echo "Windows executable ready at ${FLOAT_EXE}"
 
 # Open built macOS .app from Tauri
 tauri-open:
diff --git a/openspec/changes/rename-project-to-float/proposal.md b/openspec/changes/rename-project-to-float/proposal.md
index 844a61a..16fcf16 100644
--- a/openspec/changes/rename-project-to-float/proposal.md
+++ b/openspec/changes/rename-project-to-float/proposal.md
@@ -10,7 +10,7 @@ rename-project-to-float
 ## What Changes
 - Rebrand the application to "Float" across UI strings (window titles, menus, dialogs) and native metadata.
 - Update bundler config and outputs (app bundle/installer names, product metadata) plus documentation and release instructions to use the Float name and paths.
-- Adjust identifiers and persisted paths as needed to align with the new name while preserving existing user data.
+- Adjust identifiers and persisted paths to align with the new name before first release.
 
 ## Scope
 - Naming/branding changes only; functionality remains the same.
@@ -20,4 +20,4 @@ rename-project-to-float
 - Platform support changes.
 
 ## Open Questions
-- Resolved: use the `com.havesomecode` namespace for identifiers/settings; migrate prior data into the Float-branded path.
+- Resolved: use the `com.havesomecode` namespace for identifiers/settings; no migration is needed before first release.
diff --git a/openspec/changes/rename-project-to-float/specs/app-branding/spec.md b/openspec/changes/rename-project-to-float/specs/app-branding/spec.md
index ffad47b..6e16d57 100644
--- a/openspec/changes/rename-project-to-float/specs/app-branding/spec.md
+++ b/openspec/changes/rename-project-to-float/specs/app-branding/spec.md
@@ -20,7 +20,7 @@ The application MUST present the product name as "Float" across UI, metadata, bu
 - When they follow build/run instructions or view app details
 - Then the product name referenced is "Float" with updated paths/output names, and no "Always On Top" strings remain
 
-#### Scenario: Settings namespace aligns with Float without data loss
-- Given existing users have persisted settings under the previous app name
-- When launching the renamed app
-- Then persisted settings continue working under a Float-branded identifier, migrating prior data if the identifier changed
+#### Scenario: Settings namespace uses Float branding
+- Given the app stores settings on disk
+- When inspecting the settings namespace or config path
+- Then it uses the Float-branded identifier and does not reference legacy app names
diff --git a/openspec/changes/rename-project-to-float/tasks.md b/openspec/changes/rename-project-to-float/tasks.md
index b310810..e73fcbe 100644
--- a/openspec/changes/rename-project-to-float/tasks.md
+++ b/openspec/changes/rename-project-to-float/tasks.md
@@ -2,7 +2,7 @@
 - [x] 1.1 Inventory all "Always On Top" references across code, config, docs, bundle outputs, and persisted paths.
 - [x] 1.2 Update UI strings (window titles, menu labels, dialogs) to show "Float" everywhere.
 - [x] 1.3 Update bundler metadata/productName and bundle output names to use "Float" on macOS and Windows.
-- [x] 1.4 Decide and apply the Float bundle identifier/settings namespace; migrate or alias existing persisted settings if the namespace changes.
+- [x] 1.4 Decide and apply the Float bundle identifier/settings namespace.
 
 ## 2. Documentation
 - [x] 2.1 Refresh README/release notes and any package metadata to use the Float name and updated bundle paths/installers.
diff --git a/package.json b/package.json
index b2162bd..7ba6534 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
     "@playwright/test": "^1.50.0"
   },
   "scripts": {
-    "test:ui": "playwright test tests/tauri-driver.spec.ts"
+    "test:ui": "playwright test tests/ui-mock.spec.ts",
+    "test:ui:tauri": "playwright test tests/tauri-driver.spec.ts"
   }
 }
diff --git a/src-tauri/Cargo.lock b/src-tauri/Cargo.lock
index d0dfb17..00d624d 100644
--- a/src-tauri/Cargo.lock
+++ b/src-tauri/Cargo.lock
@@ -32,23 +32,6 @@ dependencies = [
  "alloc-no-stdlib",
 ]
 
-[[package]]
-name = "always-on-top-tauri"
-version = "0.1.0"
-dependencies = [
- "base64 0.21.7",
- "directories",
- "image",
- "parking_lot",
- "serde",
- "serde_json",
- "tauri",
- "tauri-build",
- "tauri-plugin-dialog",
- "thiserror 1.0.69",
- "tokio",
-]
-
 [[package]]
 name = "android_system_properties"
 version = "0.1.5"
@@ -894,6 +877,23 @@ dependencies = [
  "miniz_oxide",
 ]
 
+[[package]]
+name = "float-tauri"
+version = "0.1.0"
+dependencies = [
+ "base64 0.21.7",
+ "directories",
+ "image",
+ "parking_lot",
+ "serde",
+ "serde_json",
+ "tauri",
+ "tauri-build",
+ "tauri-plugin-dialog",
+ "thiserror 1.0.69",
+ "tokio",
+]
+
 [[package]]
 name = "fnv"
 version = "1.0.7"
diff --git a/src-tauri/Cargo.toml b/src-tauri/Cargo.toml
index 1421802..8f3b28d 100644
--- a/src-tauri/Cargo.toml
+++ b/src-tauri/Cargo.toml
@@ -1,5 +1,5 @@
 [package]
-name = "always-on-top-tauri"
+name = "float-tauri"
 version = "0.1.0"
 description = "Float - Tauri shell"
 authors = ["Float Team"]
diff --git a/src-tauri/icons/128x128.png b/src-tauri/icons/128x128.png
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index 0000000..0f20569
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index 0000000..d100457
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diff --git a/src-tauri/icons/32x32.png b/src-tauri/icons/32x32.png
new file mode 100644
index 0000000..99a3b01
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diff --git a/src-tauri/icons/Square107x107Logo.png b/src-tauri/icons/Square107x107Logo.png
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index 0000000..b19b85b
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index 0000000..79388cc
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diff --git a/src-tauri/icons/android/mipmap-hdpi/ic_launcher.png b/src-tauri/icons/android/mipmap-hdpi/ic_launcher.png
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diff --git a/src-tauri/icons/android/mipmap-hdpi/ic_launcher_round.png b/src-tauri/icons/android/mipmap-hdpi/ic_launcher_round.png
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index 3c50905..7b38882 100644
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index bd91d13..30f57c2 100644
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diff --git a/src-tauri/icons/icon.png b/src-tauri/icons/icon.png
index da6c642..abbe8e2 100644
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diff --git a/src-tauri/icons/icon_base_1024.png b/src-tauri/icons/icon_base_1024.png
index 81d5b9b..3ae0eb9 100644
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diff --git a/src-tauri/icons/ios/AppIcon-20x20@1x.png b/src-tauri/icons/ios/AppIcon-20x20@1x.png
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diff --git a/src-tauri/icons/ios/AppIcon-20x20@2x-1.png b/src-tauri/icons/ios/AppIcon-20x20@2x-1.png
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diff --git a/src-tauri/icons/ios/AppIcon-20x20@3x.png b/src-tauri/icons/ios/AppIcon-20x20@3x.png
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diff --git a/src-tauri/icons/ios/AppIcon-29x29@1x.png b/src-tauri/icons/ios/AppIcon-29x29@1x.png
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diff --git a/src-tauri/icons/ios/AppIcon-29x29@3x.png b/src-tauri/icons/ios/AppIcon-29x29@3x.png
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diff --git a/src-tauri/icons/ios/AppIcon-40x40@1x.png b/src-tauri/icons/ios/AppIcon-40x40@1x.png
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diff --git a/src-tauri/icons/ios/AppIcon-40x40@3x.png b/src-tauri/icons/ios/AppIcon-40x40@3x.png
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diff --git a/src-tauri/icons/ios/AppIcon-512@2x.png b/src-tauri/icons/ios/AppIcon-512@2x.png
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diff --git a/src-tauri/icons/ios/AppIcon-60x60@2x.png b/src-tauri/icons/ios/AppIcon-60x60@2x.png
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diff --git a/src-tauri/icons/ios/AppIcon-60x60@3x.png b/src-tauri/icons/ios/AppIcon-60x60@3x.png
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diff --git a/src-tauri/icons/ios/AppIcon-76x76@1x.png b/src-tauri/icons/ios/AppIcon-76x76@1x.png
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diff --git a/src-tauri/icons/ios/AppIcon-76x76@2x.png b/src-tauri/icons/ios/AppIcon-76x76@2x.png
new file mode 100644
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diff --git a/src-tauri/icons/ios/AppIcon-83.5x83.5@2x.png b/src-tauri/icons/ios/AppIcon-83.5x83.5@2x.png
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diff --git a/src-tauri/src/main.rs b/src-tauri/src/main.rs
index a02a7ed..5ba1839 100644
--- a/src-tauri/src/main.rs
+++ b/src-tauri/src/main.rs
@@ -1,7 +1,6 @@
 #![cfg_attr(not(debug_assertions), windows_subsystem = "windows")] // hide console window on Windows in release
 
 use base64::{engine::general_purpose, Engine};
-use directories::{BaseDirs, ProjectDirs};
 use parking_lot::Mutex;
 use serde::{Deserialize, Serialize};
 use std::{
@@ -27,15 +26,34 @@ enum WindowSizeUnits {
     Physical,
 }
 
-#[derive(Clone, Debug, Default, Serialize, Deserialize)]
+#[derive(Clone, Debug, Serialize, Deserialize)]
+#[serde(default)]
 struct PersistedState {
     last_file: Option<String>,
     aspect_lock: bool,
+    click_through: bool,
+    slideshow_enabled: bool,
+    slideshow_interval_ms: u64,
     window_w: Option<f64>,
     window_h: Option<f64>,
     window_size_units: Option<WindowSizeUnits>,
 }
 
+impl Default for PersistedState {
+    fn default() -> Self {
+        Self {
+            last_file: None,
+            aspect_lock: false,
+            click_through: false,
+            slideshow_enabled: false,
+            slideshow_interval_ms: 5000,
+            window_w: None,
+            window_h: None,
+            window_size_units: None,
+        }
+    }
+}
+
 #[derive(Clone, Debug, Serialize)]
 struct ActiveFilePayload {
     path: Option<String>,
@@ -66,35 +84,14 @@ struct AppState {
     aspect_ratio: Mutex<HashMap<String, f64>>, // per-window aspect ratio
     adjusting_resize: Mutex<HashSet<String>>,  // per-window resize guard
     aspect_toggle: Mutex<Option<CheckMenuItem<Wry>>>,
+    click_through_toggle: Mutex<Option<CheckMenuItem<Wry>>>,
+    slideshow_toggle: Mutex<Option<CheckMenuItem<Wry>>>,
     pending_save: Mutex<HashMap<String, async_runtime::JoinHandle<()>>>,
     selections: Mutex<HashMap<String, SelectionState>>, // per-window selections
     last_focused_window: Mutex<Option<String>>,         // label of last focused window
     window_counter: AtomicUsize,
 }
 
-const LEGACY_APP_NAME: &str = "Always On Top";
-const LEGACY_IDENTIFIER: &str = "com.example.always-on-top";
-
-fn legacy_settings_candidates() -> Vec<PathBuf> {
-    let mut candidates = Vec::new();
-    if let Some(proj) = ProjectDirs::from("com", "example", LEGACY_APP_NAME) {
-        candidates.push(proj.config_dir().to_path_buf().join("settings.json"));
-    }
-    if let Some(base) = BaseDirs::new() {
-        candidates.push(
-            base.config_dir()
-                .join(LEGACY_IDENTIFIER)
-                .join("settings.json"),
-        );
-        candidates.push(
-            base.config_dir()
-                .join(LEGACY_APP_NAME)
-                .join("settings.json"),
-        );
-    }
-    candidates
-}
-
 fn is_image_path(path: &str) -> bool {
     let ext = PathBuf::from(path)
         .extension()
@@ -121,6 +118,8 @@ impl Default for AppState {
             aspect_ratio: Mutex::new(HashMap::new()),
             adjusting_resize: Mutex::new(HashSet::new()),
             aspect_toggle: Mutex::new(None),
+            click_through_toggle: Mutex::new(None),
+            slideshow_toggle: Mutex::new(None),
             pending_save: Mutex::new(HashMap::new()),
             selections: Mutex::new(HashMap::new()),
             last_focused_window: Mutex::new(None),
@@ -137,16 +136,7 @@ fn config_path(app: &AppHandle) -> Result<PathBuf, Error> {
     if !dir.exists() {
         fs::create_dir_all(&dir)?;
     }
-    let dest = dir.join("settings.json");
-    if !dest.exists() {
-        for candidate in legacy_settings_candidates() {
-            if candidate.exists() {
-                let _ = fs::copy(&candidate, &dest);
-                break;
-            }
-        }
-    }
-    Ok(dest)
+    Ok(dir.join("settings.json"))
 }
 
 fn load_state(app: &AppHandle) -> PersistedState {
@@ -249,10 +239,16 @@ fn reset_cache(app: &AppHandle) -> Result<(), Error> {
         state.adjusting_resize.lock().clear();
         state.selections.lock().clear();
         state.last_focused_window.lock().take();
-        // Sync menu toggle to defaults
+        // Sync menu toggles to defaults
         if let Some(toggle) = state.aspect_toggle.lock().clone() {
             let _ = toggle.set_checked(false);
         }
+        if let Some(toggle) = state.click_through_toggle.lock().clone() {
+            let _ = toggle.set_checked(false);
+        }
+        if let Some(toggle) = state.slideshow_toggle.lock().clone() {
+            let _ = toggle.set_checked(false);
+        }
     }
     if let Ok(path) = config_path(app) {
         if path.exists() {
@@ -393,6 +389,17 @@ fn navigate_selection(app: &AppHandle, window: &WebviewWindow, delta: isize) ->
     None
 }
 
+fn apply_click_through_to_window(window: &WebviewWindow, enabled: bool) {
+    #[allow(deprecated)]
+    let _ = window.set_ignore_cursor_events(enabled);
+}
+
+fn apply_click_through_to_all_windows(app: &AppHandle, enabled: bool) {
+    for (_, win) in app.webview_windows() {
+        apply_click_through_to_window(&win, enabled);
+    }
+}
+
 fn apply_initial_window_state(app: &AppHandle, window: &WebviewWindow, load_last_file: bool) {
     let _ = window.set_always_on_top(true);
 
@@ -417,6 +424,8 @@ fn apply_initial_window_state(app: &AppHandle, window: &WebviewWindow, load_last
         }
     }
 
+    apply_click_through_to_window(window, st.click_through);
+
     if load_last_file {
         if let Some(p) = st.last_file.clone() {
             if is_image_path(&p) && PathBuf::from(&p).exists() {
@@ -605,6 +614,9 @@ fn get_settings(app: AppHandle) -> PersistedState {
 #[derive(Deserialize)]
 struct SettingsUpdate {
     aspect_lock: Option<bool>,
+    click_through: Option<bool>,
+    slideshow_enabled: Option<bool>,
+    slideshow_interval_ms: Option<u64>,
 }
 
 #[tauri::command]
@@ -623,6 +635,26 @@ fn set_settings(app: AppHandle, update: SettingsUpdate) -> Result<PersistedState
             }
         }
     }
+    if let Some(v) = update.click_through {
+        st.click_through = v;
+        apply_click_through_to_all_windows(&app, v);
+        if let Some(state) = app.try_state::<AppState>() {
+            if let Some(toggle) = state.click_through_toggle.lock().clone() {
+                let _ = toggle.set_checked(v);
+            }
+        }
+    }
+    if let Some(v) = update.slideshow_enabled {
+        st.slideshow_enabled = v;
+        if let Some(state) = app.try_state::<AppState>() {
+            if let Some(toggle) = state.slideshow_toggle.lock().clone() {
+                let _ = toggle.set_checked(v);
+            }
+        }
+    }
+    if let Some(v) = update.slideshow_interval_ms {
+        st.slideshow_interval_ms = v.clamp(1000, 60000);
+    }
     save_state(&app, &win, st.clone()).map_err(|e| e.to_string())?;
     if let Some(state) = app.try_state::<AppState>() {
         *state.settings.lock() = st.clone();
@@ -808,9 +840,28 @@ fn main() {
                 )
                 .build()?;
 
+            let initial_settings = load_state(&app_handle);
             let aspect_toggle =
                 CheckMenuItemBuilder::with_id("aspect_lock_toggle", "Lock aspect ratio on resize")
-                    .checked(load_state(&app_handle).aspect_lock)
+                    .checked(initial_settings.aspect_lock)
+                    .build(&app_handle)?;
+            let click_through_toggle =
+                CheckMenuItemBuilder::with_id("click_through_toggle", "Click-through overlay")
+                    .checked(initial_settings.click_through)
+                    .accelerator(if cfg!(target_os = "macos") {
+                        "Cmd+Shift+X"
+                    } else {
+                        "Ctrl+Shift+X"
+                    })
+                    .build(&app_handle)?;
+            let slideshow_toggle =
+                CheckMenuItemBuilder::with_id("slideshow_toggle", "Slideshow mode")
+                    .checked(initial_settings.slideshow_enabled)
+                    .accelerator(if cfg!(target_os = "macos") {
+                        "Cmd+Shift+S"
+                    } else {
+                        "Ctrl+Shift+S"
+                    })
                     .build(&app_handle)?;
             let view_menu = SubmenuBuilder::new(&app_handle, "View")
                 .item(
@@ -840,7 +891,9 @@ fn main() {
                         })
                         .build(&app_handle)?,
                 )
-                .item(&aspect_toggle);
+                .item(&aspect_toggle)
+                .item(&click_through_toggle)
+                .item(&slideshow_toggle);
             let app_menu = MenuBuilder::new(&app_handle)
                 .item(&file_menu)
                 .item(&view_menu.build()?)
@@ -848,6 +901,8 @@ fn main() {
             app.set_menu(app_menu)?;
             if let Some(state) = app_handle.try_state::<AppState>() {
                 *state.aspect_toggle.lock() = Some(aspect_toggle.clone());
+                *state.click_through_toggle.lock() = Some(click_through_toggle.clone());
+                *state.slideshow_toggle.lock() = Some(slideshow_toggle.clone());
             }
 
             if let Some(state) = app_handle.try_state::<AppState>() {
@@ -923,9 +978,7 @@ fn main() {
                     let mut s = state.settings.lock().clone();
                     let new_state = if let Some(toggle) = state.aspect_toggle.lock().clone() {
                         if let Ok(current) = toggle.is_checked() {
-                            let desired = !current;
-                            let _ = toggle.set_checked(desired);
-                            desired
+                            current
                         } else {
                             !s.aspect_lock
                         }
@@ -939,6 +992,45 @@ fn main() {
                     *state.settings.lock() = s;
                 }
             }
+            "click_through_toggle" => {
+                if let Some(state) = app.try_state::<AppState>() {
+                    let mut s = state.settings.lock().clone();
+                    let new_state = if let Some(toggle) = state.click_through_toggle.lock().clone() {
+                        if let Ok(current) = toggle.is_checked() {
+                            current
+                        } else {
+                            !s.click_through
+                        }
+                    } else {
+                        !s.click_through
+                    };
+                    s.click_through = new_state;
+                    apply_click_through_to_all_windows(app, new_state);
+                    if let Some(win) = focused_window(app) {
+                        let _ = save_state(app, &win, s.clone());
+                    }
+                    *state.settings.lock() = s;
+                }
+            }
+            "slideshow_toggle" => {
+                if let Some(state) = app.try_state::<AppState>() {
+                    let mut s = state.settings.lock().clone();
+                    let new_state = if let Some(toggle) = state.slideshow_toggle.lock().clone() {
+                        if let Ok(current) = toggle.is_checked() {
+                            current
+                        } else {
+                            !s.slideshow_enabled
+                        }
+                    } else {
+                        !s.slideshow_enabled
+                    };
+                    s.slideshow_enabled = new_state;
+                    if let Some(win) = focused_window(app) {
+                        let _ = save_state(app, &win, s.clone());
+                    }
+                    *state.settings.lock() = s;
+                }
+            }
             _ => {}
         })
         .invoke_handler(tauri::generate_handler![
diff --git a/src/main.rs b/src/main.rs
index fe5c3b0..d804e42 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -6,7 +6,7 @@ use std::path::PathBuf;
 use std::process::Command;
 use std::thread;
 
-use directories::{BaseDirs, ProjectDirs};
+use directories::ProjectDirs;
 use winit::dpi::LogicalSize;
 use winit::event::{
     ElementState, Event, KeyboardInput, ModifiersState, VirtualKeyCode, WindowEvent,
@@ -55,28 +55,6 @@ struct PersistedState {
 
 const APP_NAME: &str = "Float";
 const APP_ORG: &str = "havesomecode";
-const LEGACY_APP_NAME: &str = "Always On Top";
-const LEGACY_IDENTIFIER: &str = "com.example.always-on-top";
-
-fn legacy_config_candidates() -> Vec<PathBuf> {
-    let mut candidates = Vec::new();
-    if let Some(proj) = ProjectDirs::from("com", "example", LEGACY_APP_NAME) {
-        candidates.push(proj.config_dir().join("settings.json"));
-    }
-    if let Some(base) = BaseDirs::new() {
-        candidates.push(
-            base.config_dir()
-                .join(LEGACY_IDENTIFIER)
-                .join("settings.json"),
-        );
-        candidates.push(
-            base.config_dir()
-                .join(LEGACY_APP_NAME)
-                .join("settings.json"),
-        );
-    }
-    candidates
-}
 
 fn config_path() -> Option<std::path::PathBuf> {
     let proj = ProjectDirs::from("com", APP_ORG, APP_NAME)?;
@@ -86,22 +64,6 @@ fn config_path() -> Option<std::path::PathBuf> {
         return None;
     }
     p.push("settings.json");
-    if !p.exists() {
-        for candidate in legacy_config_candidates() {
-            if candidate.exists() {
-                if let Some(dir) = p.parent() {
-                    let _ = fs::create_dir_all(dir);
-                }
-                if let Err(err) = fs::copy(&candidate, &p) {
-                    eprintln!(
-                        "failed to migrate legacy settings from {}: {err}",
-                        candidate.display()
-                    );
-                }
-                break;
-            }
-        }
-    }
     Some(p)
 }
 
diff --git a/tests/ui-mock.spec.ts b/tests/ui-mock.spec.ts
index 03c5191..5264c45 100644
--- a/tests/ui-mock.spec.ts
+++ b/tests/ui-mock.spec.ts
@@ -2,37 +2,49 @@ import { test, expect } from '@playwright/test';
 import path from 'path';
 
 /**
- * Frontend-only smoke test: load dist/index.html with a mocked TAURI invoke implementation
- * to verify the Open flow updates the UI.
+ * Frontend-only smoke test: load dist/index.html with a mocked Tauri v2 API
+ * and verify bootstrap renders the selected file state.
  */
-test('open flow updates UI with mocked tauri', async ({ page }) => {
+test('bootstrap renders selected file with mocked tauri', async ({ page }) => {
   const distPath = path.resolve(__dirname, '..', 'dist', 'index.html');
   const mockPath = '/tmp/icon.png';
+  const pixelDataUrl =
+    'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAusB9sYpWJ0AAAAASUVORK5CYII=';
 
-  await page.addInitScript(({ mockPath }) => {
-    // Minimal __TAURI__ mock to satisfy invoke calls
+  await page.addInitScript(({ mockPath, pixelDataUrl }) => {
+    // Minimal __TAURI__ v2 mock to satisfy frontend bootstrap and image fallback calls.
     // eslint-disable-next-line @typescript-eslint/no-explicit-any
     (window as any).__TAURI__ = {
-      // eslint-disable-next-line @typescript-eslint/no-explicit-any
-      invoke: (cmd: string, args: any = {}) => {
-        if (cmd === 'choose_file') return Promise.resolve(mockPath);
-        if (cmd === 'fit_now') return Promise.resolve();
-        if (cmd === 'quick_look') return Promise.resolve();
-        if (cmd === 'get_settings') return Promise.resolve({ aspect_lock: false, fit_window: true });
-        if (cmd === 'set_settings') {
-          return Promise.resolve({
-            aspect_lock: !!args.update?.aspect_lock,
-            fit_window: args.update?.fit_window ?? true,
-          });
-        }
-        return Promise.resolve();
+      core: {
+        // eslint-disable-next-line @typescript-eslint/no-explicit-any
+        invoke: (cmd: string, _args: any = {}) => {
+          if (cmd === 'get_settings') {
+            return Promise.resolve({
+              last_file: mockPath,
+              aspect_lock: false,
+              fit_window: true,
+            });
+          }
+          if (cmd === 'load_image_data') {
+            return Promise.resolve(pixelDataUrl);
+          }
+          if (cmd === 'previous_file' || cmd === 'next_file') {
+            return Promise.resolve();
+          }
+          return Promise.resolve(null);
+        },
+        convertFileSrc: () => 'file:///definitely-missing.png',
+      },
+      event: {
+        listen: () => Promise.resolve(() => {}),
       },
     };
-  }, { mockPath });
+  }, { mockPath, pixelDataUrl });
 
   await page.goto(`file://${distPath}`);
 
-  await page.click('#openBtn');
-  await expect(page.locator('#fileName')).toHaveText('icon.png');
+  await expect(page.locator('#fileInfo')).toHaveText('icon.png');
   await expect(page.locator('#status')).toHaveText('');
+  await expect(page.locator('#placeholder')).toHaveText('');
+  await expect(page.locator('#imageContainer')).not.toHaveClass(/placeholder/);
 });