diff --git a/.gitignore b/.gitignore
index b2587d4..a1927ca 100644
--- a/.gitignore
+++ b/.gitignore
@@ -31,3 +31,7 @@ artifacts/
 # Bench / runtime logs
 *.log
 python/scripts/alignment_results.json
+
+# Local-only alignment tooling: MLX reference-output exporter for the
+# device-side `e0cli aligncheck` gate (kept out of tree for now).
+/scripts/export_reference_outputs.py
diff --git a/android/.gitignore b/android/.gitignore
index 6249d89..de56d7c 100644
--- a/android/.gitignore
+++ b/android/.gitignore
@@ -14,3 +14,5 @@ local.properties
 /build-dl
 # model sources and converted gguf (self-service downloads)
 /models
+# kotlin compiler session dir (build output, like .gradle)
+/.kotlin
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 803a6c4..96d64d7 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -5,6 +5,7 @@
     <application
         android:name=".Edge0App"
         android:allowBackup="false"
+        android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:supportsRtl="true"
         android:theme="@style/Theme.Edge0">
diff --git a/android/app/src/main/res/drawable-nodpi/ic_launcher_foreground.png b/android/app/src/main/res/drawable-nodpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..3ea3794
Binary files /dev/null and b/android/app/src/main/res/drawable-nodpi/ic_launcher_foreground.png differ
diff --git a/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..d03c3c2
--- /dev/null
+++ b/android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Adaptive launcher icon: the edge0 mark is a full-bleed black rounded square,
+     so the foreground uses the artwork unchanged over a pure-black background. -->
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@android:color/black" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>
diff --git a/android/app/src/main/res/mipmap-hdpi/ic_launcher.png b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png
new file mode 100644
index 0000000..6a0d058
Binary files /dev/null and b/android/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-mdpi/ic_launcher.png b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png
new file mode 100644
index 0000000..c888911
Binary files /dev/null and b/android/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png
new file mode 100644
index 0000000..0fb89fa
Binary files /dev/null and b/android/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
new file mode 100644
index 0000000..12e32cc
Binary files /dev/null and b/android/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
new file mode 100644
index 0000000..c91dba9
Binary files /dev/null and b/android/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/macos/.gitignore b/macos/.gitignore
new file mode 100644
index 0000000..7ac9c97
--- /dev/null
+++ b/macos/.gitignore
@@ -0,0 +1,8 @@
+# Frontend + Rust build output materialized by `yarn install` / `tauri dev`
+# (never committed). Mirrors windows/.gitignore.
+app/node_modules/
+app/dist/
+app/src-tauri/target/
+app/src-tauri/gen/
+target/
+work/
diff --git a/macos/app/public/edge0_logo.png b/macos/app/public/edge0_logo.png
new file mode 100644
index 0000000..5b842d7
Binary files /dev/null and b/macos/app/public/edge0_logo.png differ
diff --git a/macos/app/src-tauri/icons/edge0_logo.png b/macos/app/src-tauri/icons/edge0_logo.png
index 712a001..1f7b8ea 100644
Binary files a/macos/app/src-tauri/icons/edge0_logo.png and b/macos/app/src-tauri/icons/edge0_logo.png differ
diff --git a/macos/app/src-tauri/icons/icon.icns b/macos/app/src-tauri/icons/icon.icns
index 2b1fc68..d73c1c2 100644
Binary files a/macos/app/src-tauri/icons/icon.icns and b/macos/app/src-tauri/icons/icon.icns differ
diff --git a/macos/app/src-tauri/icons/icon.png b/macos/app/src-tauri/icons/icon.png
index 1c757ee..1db17c8 100644
Binary files a/macos/app/src-tauri/icons/icon.png and b/macos/app/src-tauri/icons/icon.png differ
diff --git a/macos/app/src-tauri/icons/tray-idle.png b/macos/app/src-tauri/icons/tray-idle.png
index 5f7cb03..2b9ee0b 100644
Binary files a/macos/app/src-tauri/icons/tray-idle.png and b/macos/app/src-tauri/icons/tray-idle.png differ
diff --git a/macos/app/src-tauri/icons/tray-loading.png b/macos/app/src-tauri/icons/tray-loading.png
index efd2679..2b9ee0b 100644
Binary files a/macos/app/src-tauri/icons/tray-loading.png and b/macos/app/src-tauri/icons/tray-loading.png differ
diff --git a/macos/app/src-tauri/icons/tray-resident.png b/macos/app/src-tauri/icons/tray-resident.png
index 5888448..2b9ee0b 100644
Binary files a/macos/app/src-tauri/icons/tray-resident.png and b/macos/app/src-tauri/icons/tray-resident.png differ
diff --git a/macos/app/src-tauri/icons/tray-throttled.png b/macos/app/src-tauri/icons/tray-throttled.png
index 8405431..2b9ee0b 100644
Binary files a/macos/app/src-tauri/icons/tray-throttled.png and b/macos/app/src-tauri/icons/tray-throttled.png differ
diff --git a/macos/app/src/components/AppShell.tsx b/macos/app/src/components/AppShell.tsx
index fb9a02d..ce3e046 100644
--- a/macos/app/src/components/AppShell.tsx
+++ b/macos/app/src/components/AppShell.tsx
@@ -1,5 +1,5 @@
 import { Link, Outlet, useRouter } from "@tanstack/react-router";
-import { BookOpen, Home, Menu, Plus, Server, Settings, Sparkles, X } from "lucide-react";
+import { BookOpen, Home, Menu, Plus, Server, Settings, X } from "lucide-react";
 import { useEffect, useState, useSyncExternalStore } from "react";
 import { useTranslation } from "react-i18next";
 
@@ -127,9 +127,12 @@ export function AppShell() {
       >
         <div className="flex items-center justify-between px-4 pb-2 pt-4">
           <div className="flex items-center gap-2">
-            <span className="grid size-8 place-items-center rounded-xl bg-fg text-surface shadow-sm">
-              <Sparkles size={16} aria-hidden />
-            </span>
+            <img
+              src="/edge0_logo.png"
+              alt=""
+              aria-hidden
+              className="size-8 rounded-xl shadow-sm object-cover"
+            />
             <div>
               <span className="block text-sm font-bold tracking-tight">{t("app.name")}</span>
               <span className="block text-[10px] font-medium uppercase tracking-[0.16em] text-muted">{t("app.localLabel")}</span>
diff --git a/macos/app/src/routes/welcome.tsx b/macos/app/src/routes/welcome.tsx
index b3eb02f..8e1e5a0 100644
--- a/macos/app/src/routes/welcome.tsx
+++ b/macos/app/src/routes/welcome.tsx
@@ -1,7 +1,7 @@
 import { useEffect, useState } from "react";
 import { Link } from "@tanstack/react-router";
 import { invoke } from "@tauri-apps/api/core";
-import { Download, Sparkles } from "lucide-react";
+import { Download } from "lucide-react";
 import { useTranslation } from "react-i18next";
 
 import { daemonStore } from "../bridge/state";
@@ -79,9 +79,12 @@ export function WelcomeCard() {
   return (
     <div className="e0-chat-empty px-6" data-testid="welcome-card">
       <div className="e0-chat-column mx-auto space-y-5 text-center">
-        <span className="mx-auto grid size-12 place-items-center rounded-2xl bg-fg text-surface shadow-sm">
-          <Sparkles size={20} aria-hidden />
-        </span>
+        <img
+          src="/edge0_logo.png"
+          alt=""
+          aria-hidden
+          className="mx-auto size-12 rounded-2xl shadow-sm object-cover"
+        />
         <div>
           <h2 className="text-3xl font-semibold tracking-tight">{t("welcome.title")}</h2>
           <p className="mx-auto mt-2 max-w-lg text-sm leading-relaxed text-muted">
diff --git a/windows/app/public/edge0_logo.png b/windows/app/public/edge0_logo.png
new file mode 100644
index 0000000..5b842d7
Binary files /dev/null and b/windows/app/public/edge0_logo.png differ
diff --git a/windows/app/src-tauri/icons/128x128.png b/windows/app/src-tauri/icons/128x128.png
index 8881e31..90fe8b0 100644
Binary files a/windows/app/src-tauri/icons/128x128.png and b/windows/app/src-tauri/icons/128x128.png differ
diff --git a/windows/app/src-tauri/icons/128x128@2x.png b/windows/app/src-tauri/icons/128x128@2x.png
index cede665..c964306 100644
Binary files a/windows/app/src-tauri/icons/128x128@2x.png and b/windows/app/src-tauri/icons/128x128@2x.png differ
diff --git a/windows/app/src-tauri/icons/32x32.png b/windows/app/src-tauri/icons/32x32.png
index 91b2b70..b75aa76 100644
Binary files a/windows/app/src-tauri/icons/32x32.png and b/windows/app/src-tauri/icons/32x32.png differ
diff --git a/windows/app/src-tauri/icons/64x64.png b/windows/app/src-tauri/icons/64x64.png
index 27b33c4..6da2f1b 100644
Binary files a/windows/app/src-tauri/icons/64x64.png and b/windows/app/src-tauri/icons/64x64.png differ
diff --git a/windows/app/src-tauri/icons/Square107x107Logo.png b/windows/app/src-tauri/icons/Square107x107Logo.png
index 1786101..92a6ae1 100644
Binary files a/windows/app/src-tauri/icons/Square107x107Logo.png and b/windows/app/src-tauri/icons/Square107x107Logo.png differ
diff --git a/windows/app/src-tauri/icons/Square142x142Logo.png b/windows/app/src-tauri/icons/Square142x142Logo.png
index a8d9be0..482517e 100644
Binary files a/windows/app/src-tauri/icons/Square142x142Logo.png and b/windows/app/src-tauri/icons/Square142x142Logo.png differ
diff --git a/windows/app/src-tauri/icons/Square150x150Logo.png b/windows/app/src-tauri/icons/Square150x150Logo.png
index 6ce53f6..8547c2c 100644
Binary files a/windows/app/src-tauri/icons/Square150x150Logo.png and b/windows/app/src-tauri/icons/Square150x150Logo.png differ
diff --git a/windows/app/src-tauri/icons/Square284x284Logo.png b/windows/app/src-tauri/icons/Square284x284Logo.png
index 978b900..b4a0089 100644
Binary files a/windows/app/src-tauri/icons/Square284x284Logo.png and b/windows/app/src-tauri/icons/Square284x284Logo.png differ
diff --git a/windows/app/src-tauri/icons/Square30x30Logo.png b/windows/app/src-tauri/icons/Square30x30Logo.png
index 8196a25..e5ae03a 100644
Binary files a/windows/app/src-tauri/icons/Square30x30Logo.png and b/windows/app/src-tauri/icons/Square30x30Logo.png differ
diff --git a/windows/app/src-tauri/icons/Square310x310Logo.png b/windows/app/src-tauri/icons/Square310x310Logo.png
index b8b47b3..c04215f 100644
Binary files a/windows/app/src-tauri/icons/Square310x310Logo.png and b/windows/app/src-tauri/icons/Square310x310Logo.png differ
diff --git a/windows/app/src-tauri/icons/Square44x44Logo.png b/windows/app/src-tauri/icons/Square44x44Logo.png
index 519be7f..ca20a14 100644
Binary files a/windows/app/src-tauri/icons/Square44x44Logo.png and b/windows/app/src-tauri/icons/Square44x44Logo.png differ
diff --git a/windows/app/src-tauri/icons/Square71x71Logo.png b/windows/app/src-tauri/icons/Square71x71Logo.png
index 90e28f4..2ddff78 100644
Binary files a/windows/app/src-tauri/icons/Square71x71Logo.png and b/windows/app/src-tauri/icons/Square71x71Logo.png differ
diff --git a/windows/app/src-tauri/icons/Square89x89Logo.png b/windows/app/src-tauri/icons/Square89x89Logo.png
index 744ea79..d4aaa85 100644
Binary files a/windows/app/src-tauri/icons/Square89x89Logo.png and b/windows/app/src-tauri/icons/Square89x89Logo.png differ
diff --git a/windows/app/src-tauri/icons/StoreLogo.png b/windows/app/src-tauri/icons/StoreLogo.png
index 0b37792..f2f4bc0 100644
Binary files a/windows/app/src-tauri/icons/StoreLogo.png and b/windows/app/src-tauri/icons/StoreLogo.png differ
diff --git a/windows/app/src-tauri/icons/edge0_logo.png b/windows/app/src-tauri/icons/edge0_logo.png
index 712a001..1f7b8ea 100644
Binary files a/windows/app/src-tauri/icons/edge0_logo.png and b/windows/app/src-tauri/icons/edge0_logo.png differ
diff --git a/windows/app/src-tauri/icons/icon.ico b/windows/app/src-tauri/icons/icon.ico
index 02a0484..b04f3e4 100644
Binary files a/windows/app/src-tauri/icons/icon.ico and b/windows/app/src-tauri/icons/icon.ico differ
diff --git a/windows/app/src-tauri/icons/icon.png b/windows/app/src-tauri/icons/icon.png
index 94b3731..1db17c8 100644
Binary files a/windows/app/src-tauri/icons/icon.png and b/windows/app/src-tauri/icons/icon.png differ
diff --git a/windows/app/src-tauri/icons/tray-idle.png b/windows/app/src-tauri/icons/tray-idle.png
index 5f7cb03..2b9ee0b 100644
Binary files a/windows/app/src-tauri/icons/tray-idle.png and b/windows/app/src-tauri/icons/tray-idle.png differ
diff --git a/windows/app/src-tauri/icons/tray-loading.png b/windows/app/src-tauri/icons/tray-loading.png
index efd2679..2b9ee0b 100644
Binary files a/windows/app/src-tauri/icons/tray-loading.png and b/windows/app/src-tauri/icons/tray-loading.png differ
diff --git a/windows/app/src-tauri/icons/tray-resident.png b/windows/app/src-tauri/icons/tray-resident.png
index 5888448..2b9ee0b 100644
Binary files a/windows/app/src-tauri/icons/tray-resident.png and b/windows/app/src-tauri/icons/tray-resident.png differ
diff --git a/windows/app/src-tauri/icons/tray-throttled.png b/windows/app/src-tauri/icons/tray-throttled.png
index 8405431..2b9ee0b 100644
Binary files a/windows/app/src-tauri/icons/tray-throttled.png and b/windows/app/src-tauri/icons/tray-throttled.png differ
diff --git a/windows/app/src/components/AppShell.tsx b/windows/app/src/components/AppShell.tsx
index 0e1e34b..32cff50 100644
--- a/windows/app/src/components/AppShell.tsx
+++ b/windows/app/src/components/AppShell.tsx
@@ -1,7 +1,7 @@
 // AppShell — sidebar + full-width main area (Atomic-Chat style three-segment layout).
 // Hash routing; state comes from the single-pulse stores in api/client.
 // autoLoad intent chain: download ready -> issue one load -> on success create a thread and enter chat.
-import { BookOpen, Menu, Plus, Server, Settings, Sparkles, X } from "lucide-react";
+import { BookOpen, Menu, Plus, Server, Settings, X } from "lucide-react";
 import { useEffect, useState, useSyncExternalStore, type ReactNode } from "react";
 
 import {
@@ -102,9 +102,12 @@ export function AppShell({ view, children }: { view: string; children: ReactNode
       <aside data-testid="app-sidebar" className={"e0-sidebar " + (sidebarOpen ? "e0-sidebar-open" : "")} data-open={sidebarOpen ? "true" : "false"}>
         <div className="flex items-center justify-between px-4 pb-2 pt-4">
           <div className="flex items-center gap-2">
-            <span className="grid size-8 place-items-center rounded-xl bg-fg text-surface shadow-sm">
-              <Sparkles size={16} aria-hidden />
-            </span>
+            <img
+              src="/edge0_logo.png"
+              alt=""
+              aria-hidden
+              className="size-8 rounded-xl shadow-sm object-cover"
+            />
             <div>
               <span className="block text-sm font-bold tracking-tight">{t("app.name")}</span>
               <span className="block text-[10px] font-medium uppercase tracking-[0.16em] text-muted">{t("app.localLabel")}</span>
diff --git a/windows/app/src/routes/welcome.tsx b/windows/app/src/routes/welcome.tsx
index e32ae9e..b148976 100644
--- a/windows/app/src/routes/welcome.tsx
+++ b/windows/app/src/routes/welcome.tsx
@@ -2,7 +2,7 @@
 // installed; completes the loop within three clicks). "Download & enable" = one explicit
 // intent: create the task + arm the one-shot token (auto-load on completion lives in the
 // AppShell chain).
-import { Sparkles, Download } from "lucide-react";
+import { Download } from "lucide-react";
 import { useState, useSyncExternalStore } from "react";
 
 import { downloadStore, shellStore, startDownload } from "../api/client";
@@ -56,9 +56,12 @@ export function WelcomeCard() {
   return (
     <div className="e0-chat-empty px-6" data-testid="welcome-card">
       <div className="e0-chat-column mx-auto space-y-5 text-center">
-        <span className="mx-auto grid size-12 place-items-center rounded-2xl bg-fg text-surface shadow-sm">
-          <Sparkles size={20} aria-hidden />
-        </span>
+        <img
+          src="/edge0_logo.png"
+          alt=""
+          aria-hidden
+          className="mx-auto size-12 rounded-2xl shadow-sm object-cover"
+        />
         <div>
           <h2 className="text-3xl font-semibold tracking-tight">{t("welcome.title")}</h2>
           <p className="mx-auto mt-2 max-w-lg text-sm leading-relaxed text-muted">
diff --git a/windows/app/vite.config.ts b/windows/app/vite.config.ts
index 0dd5c55..efb0a99 100644
--- a/windows/app/vite.config.ts
+++ b/windows/app/vite.config.ts
@@ -6,7 +6,15 @@ import { defineConfig } from "vite";
 export default defineConfig({
   plugins: [react(), tailwindcss()],
   clearScreen: false,
-  server: { port: 1420, strictPort: true, host: "127.0.0.1" },
+  server: {
+    port: 1420,
+    strictPort: true,
+    host: "127.0.0.1",
+    // Windows: chokidar takes down the dev server with EBUSY when cargo links
+    // while Defender locks fresh artifacts. The tauri CLI watches src-tauri on
+    // its own; vite should not. (Same exclusion as create-tauri-app's template.)
+    watch: { ignored: ["**/src-tauri/**"] },
+  },
   envPrefix: ["VITE_", "TAURI_"],
   build: { target: "es2022", sourcemap: false },
 });