From 1e197556481181dbf1f0239f4ec2740cfa5aa790 Mon Sep 17 00:00:00 2001
From: Pinapelz <yukais@pinapelz.com>
Date: Sat, 21 Jun 2025 11:40:02 -0700
Subject: initial commit

---
 src/main/index.ts                           | 132 ++++++++
 src/preload/index.d.ts                      |  19 ++
 src/preload/index.ts                        |  19 ++
 src/renderer/index.html                     |  17 +
 src/renderer/src/App.tsx                    | 136 ++++++++
 src/renderer/src/assets/base.css            | 477 ++++++++++++++++++++++++++++
 src/renderer/src/assets/main.css            |   6 +
 src/renderer/src/components/ConfigModal.tsx | 148 +++++++++
 src/renderer/src/components/Message.tsx     | 260 +++++++++++++++
 src/renderer/src/env.d.ts                   |   1 +
 src/renderer/src/main.tsx                   |  11 +
 src/renderer/src/types/discord.ts           |  45 +++
 12 files changed, 1271 insertions(+)
 create mode 100644 src/main/index.ts
 create mode 100644 src/preload/index.d.ts
 create mode 100644 src/preload/index.ts
 create mode 100644 src/renderer/index.html
 create mode 100644 src/renderer/src/App.tsx
 create mode 100644 src/renderer/src/assets/base.css
 create mode 100644 src/renderer/src/assets/main.css
 create mode 100644 src/renderer/src/components/ConfigModal.tsx
 create mode 100644 src/renderer/src/components/Message.tsx
 create mode 100644 src/renderer/src/env.d.ts
 create mode 100644 src/renderer/src/main.tsx
 create mode 100644 src/renderer/src/types/discord.ts

(limited to 'src')

diff --git a/src/main/index.ts b/src/main/index.ts
new file mode 100644
index 0000000..76c508a
--- /dev/null
+++ b/src/main/index.ts
@@ -0,0 +1,132 @@
+import { app, BrowserWindow, shell, ipcMain } from 'electron'
+import { join } from 'path'
+import { electronApp, optimizer, is, platform } from '@electron-toolkit/utils'
+import { WebSocketServer, WebSocket } from 'ws'
+import icon from '../../resources/icon.png?asset'
+
+let mainWindow: BrowserWindow
+let store: import('electron-store').default<{ channelNicknames: Record<string, string> }>
+
+async function initStore(): Promise<void> {
+  const Store = (await import('electron-store')).default
+  store = new Store({
+    defaults: {
+      channelNicknames: {}
+    }
+  })
+}
+
+function createWindow(): void {
+  mainWindow = new BrowserWindow({
+    width: 900,
+    height: 670,
+    show: false,
+    title: 'tiny-discord-feed',
+    autoHideMenuBar: true,
+    ...(platform.isLinux ? { icon } : {}),
+    webPreferences: {
+      preload: join(__dirname, '../preload/index.js'),
+      sandbox: false,
+      contextIsolation: true
+    }
+  })
+
+  mainWindow.on('ready-to-show', () => {
+    mainWindow.show()
+  })
+
+  mainWindow.webContents.setWindowOpenHandler((details) => {
+    shell.openExternal(details.url)
+    return { action: 'deny' }
+  })
+
+  if (is.dev && process.env['ELECTRON_RENDERER_URL']) {
+    mainWindow.loadURL(process.env['ELECTRON_RENDERER_URL'])
+  } else {
+    mainWindow.loadFile(join(__dirname, '../renderer/index.html'))
+  }
+}
+
+function setupWebSocket(): void {
+  if (!mainWindow) {
+    console.error('Cannot setup WebSocket: mainWindow not available')
+    return
+  }
+
+  const wss = new WebSocketServer({ port: 8765, host: '0.0.0.0' })
+
+  wss.on('connection', (ws: WebSocket) => {
+    console.log('New WebSocket client connected')
+    ws.on('message', (msg: Buffer) => {
+      try {
+        const parsed = JSON.parse(msg.toString())
+        if (mainWindow && !mainWindow.isDestroyed()) {
+          mainWindow.webContents.send('new-discord-message', parsed)
+        }
+      } catch (e) {
+        console.error('Invalid JSON received:', e)
+      }
+    })
+
+    ws.on('error', (error) => {
+      console.error('WebSocket client error:', error)
+    })
+  })
+
+  wss.on('error', (error) => {
+    console.error('WebSocket server error:', error)
+  })
+
+  console.log('WebSocket server listening on 0.0.0.0:8765')
+}
+
+function setupIpcHandlers(): void {
+  // Get channel nicknames
+  ipcMain.handle('config:get-channel-nicknames', () => {
+    return store.get('channelNicknames')
+  })
+
+  // Set channel nickname
+  ipcMain.handle('config:set-channel-nickname', (_, channelId: string, nickname: string) => {
+    const nicknames = { ...store.get('channelNicknames') }
+    nicknames[channelId] = nickname
+    store.set('channelNicknames', nicknames)
+    return true
+  })
+
+  // Remove channel nickname
+  ipcMain.handle('config:remove-channel-nickname', (_, channelId: string) => {
+    const nicknames = { ...store.get('channelNicknames') }
+    delete nicknames[channelId]
+    store.set('channelNicknames', nicknames)
+    return true
+  })
+
+  // Get all channel nicknames as array
+  ipcMain.handle('config:get-channel-list', () => {
+    const nicknames = store.get('channelNicknames')
+    return Object.entries(nicknames).map(([id, nickname]) => ({ id, nickname }))
+  })
+}
+
+app.whenReady().then(async () => {
+  electronApp.setAppUserModelId('com.electron')
+  app.on('browser-window-created', (_, window) => {
+    optimizer.watchWindowShortcuts(window)
+  })
+
+  await initStore()
+  createWindow()
+  setupWebSocket()
+  setupIpcHandlers()
+
+  app.on('activate', function () {
+    if (BrowserWindow.getAllWindows().length === 0) createWindow()
+  })
+})
+
+app.on('window-all-closed', () => {
+  if (process.platform !== 'darwin') {
+    app.quit()
+  }
+})
diff --git a/src/preload/index.d.ts b/src/preload/index.d.ts
new file mode 100644
index 0000000..dd64a3f
--- /dev/null
+++ b/src/preload/index.d.ts
@@ -0,0 +1,19 @@
+declare global {
+  interface Window {
+    electron: {
+      ipcRenderer: {
+        send: (channel: string, data?: unknown) => void
+        on: (channel: string, func: (...args: unknown[]) => void) => void
+        removeListener: (channel: string, func: (...args: unknown[]) => void) => void
+      }
+      config: {
+        getChannelNicknames: () => Promise<Record<string, string>>
+        setChannelNickname: (channelId: string, nickname: string) => Promise<boolean>
+        removeChannelNickname: (channelId: string) => Promise<boolean>
+        getChannelList: () => Promise<Array<{ id: string; nickname: string }>>
+      }
+    }
+  }
+}
+
+export {}
diff --git a/src/preload/index.ts b/src/preload/index.ts
new file mode 100644
index 0000000..84ff03c
--- /dev/null
+++ b/src/preload/index.ts
@@ -0,0 +1,19 @@
+import { contextBridge, ipcRenderer, IpcRendererEvent } from 'electron'
+
+contextBridge.exposeInMainWorld('electron', {
+  ipcRenderer: {
+    send: (channel: string, data?: unknown) => ipcRenderer.send(channel, data),
+    on: (channel: string, func: (...args: unknown[]) => void) =>
+      ipcRenderer.on(channel, (_: IpcRendererEvent, ...args) => func(...args)),
+    removeListener: (channel: string, func: (...args: unknown[]) => void) =>
+      ipcRenderer.removeListener(channel, func)
+  },
+  config: {
+    getChannelNicknames: () => ipcRenderer.invoke('config:get-channel-nicknames'),
+    setChannelNickname: (channelId: string, nickname: string) =>
+      ipcRenderer.invoke('config:set-channel-nickname', channelId, nickname),
+    removeChannelNickname: (channelId: string) =>
+      ipcRenderer.invoke('config:remove-channel-nickname', channelId),
+    getChannelList: () => ipcRenderer.invoke('config:get-channel-list')
+  }
+})
diff --git a/src/renderer/index.html b/src/renderer/index.html
new file mode 100644
index 0000000..edffc05
--- /dev/null
+++ b/src/renderer/index.html
@@ -0,0 +1,17 @@
+<!doctype html>
+<html>
+  <head>
+    <meta charset="UTF-8" />
+    <title>tiny-discord-feed</title>
+    <!-- https://developer.mozilla.org/en-US/docs/Web/HTTP/CSP -->
+    <meta
+      http-equiv="Content-Security-Policy"
+      content="default-src 'self'; script-src 'self'; style-src 'self' 'unsafe-inline'; img-src 'self' data: https:; connect-src 'self' https://discord.com https://cdn.discordapp.com https://media.discordapp.net"
+    />
+  </head>
+
+  <body>
+    <div id="root"></div>
+    <script type="module" src="/src/main.tsx"></script>
+  </body>
+</html>
diff --git a/src/renderer/src/App.tsx b/src/renderer/src/App.tsx
new file mode 100644
index 0000000..bbd949d
--- /dev/null
+++ b/src/renderer/src/App.tsx
@@ -0,0 +1,136 @@
+import { useEffect, useState } from 'react'
+import Message from './components/Message'
+import ConfigModal from './components/ConfigModal'
+import { DiscordMessage } from './types/discord'
+
+function App(): React.JSX.Element {
+  const [messages, setMessages] = useState<DiscordMessage[]>([])
+  const [channelNicknames, setChannelNicknames] = useState<Record<string, string>>({})
+  const [isConfigOpen, setIsConfigOpen] = useState(false)
+  const [isMouseInWindow, setIsMouseInWindow] = useState(true)
+
+  // Load channel nicknames on mount
+  useEffect(() => {
+    const loadChannelNicknames = async (): Promise<void> => {
+      try {
+        const nicknames = await window.electron.config.getChannelNicknames()
+        setChannelNicknames(nicknames)
+      } catch (error) {
+        console.error('Failed to load channel nicknames:', error)
+      }
+    }
+
+    loadChannelNicknames()
+  }, [])
+
+  useEffect(() => {
+    const listener = (...args: unknown[]): void => {
+      const data = args[0] as DiscordMessage
+
+      if (data) {
+        setMessages((prev) => {
+          const existingMessage = prev.find((msg) => msg.id === data.id)
+          if (existingMessage) {
+            return prev
+          }
+          return [data, ...prev.slice(0, 300)]
+        })
+      }
+    }
+
+    window.electron.ipcRenderer.on('new-discord-message', listener)
+    return () => {
+      window.electron.ipcRenderer.removeListener('new-discord-message', listener)
+    }
+  }, [])
+
+  return (
+    <div
+      id="app-container"
+      onMouseEnter={() => setIsMouseInWindow(true)}
+      onMouseLeave={() => setIsMouseInWindow(false)}
+    >
+      {/* Header */}
+      <div
+        className="app-header"
+        style={{
+          opacity: isMouseInWindow ? 1 : 0,
+          transform: isMouseInWindow ? 'translateY(0)' : 'translateY(-100%)',
+          transition: 'opacity 0.3s ease, transform 0.3s ease',
+          pointerEvents: isMouseInWindow ? 'auto' : 'none'
+        }}
+      >
+        <div className="app-title">tiny-discord-feed</div>
+        <div className="header-controls">
+          <div className="channel-count">
+            {Object.keys(channelNicknames).length} channels configured
+          </div>
+          <button className="config-button" onClick={() => setIsConfigOpen(true)}>
+            ⚙️ Configure
+          </button>
+        </div>
+      </div>
+
+      {/* Messages */}
+      <div id="messages">
+        {(() => {
+          if (Object.keys(channelNicknames).length === 0) {
+            return (
+              <div className="empty-state">
+                <div className="icon">⚙️</div>
+                <div>No channels configured</div>
+                <div style={{ fontSize: '14px', marginTop: '8px', opacity: 0.7 }}>
+                  Click &quot;Configure&quot; to add channels to monitor
+                </div>
+              </div>
+            )
+          }
+
+          // Filter messages from configured channels and limit to 30 displayed
+          const filteredMessages = messages
+            .filter((msg) => channelNicknames[msg.channel])
+            .filter(
+              (msg) =>
+                !(
+                  (msg.content === '' || msg.content === undefined) &&
+                  !msg.sticker_id &&
+                  (!msg.attachments || msg.attachments.length === 0)
+                )
+            )
+            .slice(0, 30)
+
+          if (filteredMessages.length === 0) {
+            return (
+              <div className="empty-state">
+                <div className="icon">💬</div>
+                <div>No messages from configured channels yet</div>
+                <div style={{ fontSize: '14px', marginTop: '8px', opacity: 0.7 }}>
+                  Messages will appear here when received from your configured channels
+                </div>
+              </div>
+            )
+          }
+
+          return filteredMessages.map((msg, i) => (
+            <Message
+              key={msg.id || i}
+              message={msg}
+              channelNickname={channelNicknames[msg.channel] || msg.channel}
+            />
+          ))
+        })()}
+      </div>
+
+      <ConfigModal
+        isOpen={isConfigOpen}
+        onClose={() => {
+          setIsConfigOpen(false)
+          // Reload channel nicknames after config changes
+          window.electron.config.getChannelNicknames().then(setChannelNicknames)
+        }}
+      />
+    </div>
+  )
+}
+
+export default App
diff --git a/src/renderer/src/assets/base.css b/src/renderer/src/assets/base.css
new file mode 100644
index 0000000..636c03c
--- /dev/null
+++ b/src/renderer/src/assets/base.css
@@ -0,0 +1,477 @@
+:root {
+  --background: #313338;
+  --sidebar:     #2b2d31;
+  --channel:     #232428;
+  --text-normal: #dbdee1;
+  --text-muted:  #a6a7ab;
+  --accent-blue: #00a8fc;
+  --message-bg:  transparent;
+  --radius:      6px;
+  font-size: 15px;
+  font-family:  "Segoe UI", system-ui, sans-serif;
+}
+
+html,body{
+  margin:0;
+  padding:0;
+  height:100%;
+  background:var(--background);
+  color:var(--text-normal);
+  overflow:hidden;
+}
+
+/* Header (optional) */
+#header{
+  background:var(--sidebar);
+  padding:4px 8px;
+  font-weight:600;
+  font-size:1rem;
+  display:flex;
+  align-items:center;
+}
+
+/* ================= App Container ================= */
+#app-container {
+  height: 100vh;
+  display: flex;
+  flex-direction: column;
+}
+
+/* ================= App Header ================= */
+.app-header {
+  background: var(--sidebar);
+  border-bottom: 1px solid var(--channel);
+  padding: 12px 16px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  flex-shrink: 0;
+  position: absolute;
+  top: 0;
+  left: 0;
+  right: 0;
+  z-index: 10;
+}
+
+.app-title {
+  font-weight: 600;
+  font-size: 16px;
+  color: var(--text-normal);
+}
+
+.header-controls {
+  display: flex;
+  align-items: center;
+  gap: 12px;
+}
+
+.channel-count {
+  font-size: 12px;
+  color: var(--text-muted);
+}
+
+.config-button {
+  background: var(--accent-blue);
+  border: none;
+  border-radius: var(--radius);
+  padding: 8px 12px;
+  color: white;
+  font-size: 13px;
+  cursor: pointer;
+  display: flex;
+  align-items: center;
+  gap: 4px;
+}
+
+.config-button:hover {
+  opacity: 0.8;
+}
+
+/* ================= Modal Styles ================= */
+.modal-backdrop {
+  position: fixed;
+  top: 0;
+  left: 0;
+  right: 0;
+  bottom: 0;
+  background: rgba(0, 0, 0, 0.7);
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  z-index: 1000;
+}
+
+.modal-content {
+  background: var(--background);
+  border: 1px solid var(--channel);
+  border-radius: 8px;
+  width: 90%;
+  max-width: 600px;
+  max-height: 80vh;
+  display: flex;
+  flex-direction: column;
+  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
+}
+
+.modal-header {
+  padding: 16px 20px;
+  border-bottom: 1px solid var(--channel);
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  flex-shrink: 0;
+}
+
+.modal-header h2 {
+  margin: 0;
+  font-size: 18px;
+  color: var(--text-normal);
+}
+
+.modal-close {
+  background: none;
+  border: none;
+  color: var(--text-muted);
+  font-size: 24px;
+  cursor: pointer;
+  padding: 0;
+  width: 32px;
+  height: 32px;
+  display: flex;
+  align-items: center;
+  justify-content: center;
+  border-radius: var(--radius);
+}
+
+.modal-close:hover {
+  background: var(--channel);
+  color: var(--text-normal);
+}
+
+.modal-body {
+  padding: 20px;
+  overflow-y: auto;
+  flex: 1;
+}
+
+.modal-footer {
+  padding: 16px 20px;
+  border-top: 1px solid var(--channel);
+  display: flex;
+  justify-content: flex-end;
+  flex-shrink: 0;
+}
+
+.add-channel-section {
+  margin-bottom: 24px;
+}
+
+.add-channel-section h3 {
+  margin: 0 0 12px 0;
+  font-size: 14px;
+  color: var(--text-normal);
+  font-weight: 600;
+}
+
+.input-group {
+  display: flex;
+  gap: 8px;
+  flex-wrap: wrap;
+}
+
+.input-group input {
+  background: var(--channel);
+  border: 1px solid var(--text-muted);
+  border-radius: var(--radius);
+  padding: 8px 12px;
+  color: var(--text-normal);
+  font-size: 13px;
+  min-width: 200px;
+  flex: 1;
+}
+
+.input-group input:focus {
+  outline: none;
+  border-color: var(--accent-blue);
+}
+
+.input-group button {
+  background: var(--accent-blue);
+  border: none;
+  border-radius: var(--radius);
+  padding: 8px 16px;
+  color: white;
+  font-size: 13px;
+  cursor: pointer;
+  white-space: nowrap;
+}
+
+.input-group button:hover:not(:disabled) {
+  opacity: 0.8;
+}
+
+.input-group button:disabled {
+  opacity: 0.5;
+  cursor: not-allowed;
+}
+
+.channel-list-section h3 {
+  margin: 0 0 12px 0;
+  font-size: 14px;
+  color: var(--text-normal);
+  font-weight: 600;
+}
+
+.empty-channels {
+  text-align: center;
+  padding: 20px;
+  color: var(--text-muted);
+}
+
+.empty-channels p {
+  margin: 4px 0;
+}
+
+.channel-list {
+  display: flex;
+  flex-direction: column;
+  gap: 8px;
+}
+
+.channel-item {
+  background: var(--channel);
+  border-radius: var(--radius);
+  padding: 12px;
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+}
+
+.channel-info {
+  flex: 1;
+}
+
+.channel-nickname {
+  font-weight: 600;
+  color: var(--text-normal);
+  margin-bottom: 2px;
+}
+
+.channel-id {
+  font-size: 11px;
+  color: var(--text-muted);
+  font-family: monospace;
+}
+
+.remove-button {
+  background: none;
+  border: none;
+  color: var(--text-muted);
+  cursor: pointer;
+  padding: 4px;
+  border-radius: var(--radius);
+  font-size: 14px;
+}
+
+.remove-button:hover {
+  background: #ff6b6b;
+  color: white;
+}
+
+.close-button {
+  background: var(--channel);
+  border: 1px solid var(--text-muted);
+  border-radius: var(--radius);
+  padding: 8px 16px;
+  color: var(--text-normal);
+  font-size: 13px;
+  cursor: pointer;
+}
+
+.close-button:hover {
+  background: var(--text-muted);
+  color: var(--background);
+}
+
+/* ================= Message list ================= */
+#messages{
+  flex: 1;
+  overflow-y: auto;
+  display: flex;
+  flex-direction: column;
+  padding: 8px;
+  scrollbar-width: thin;
+  scrollbar-color: var(--channel) transparent;
+  min-height: 0;
+}
+
+#messages::-webkit-scrollbar{
+  width: 5px;
+}
+#messages::-webkit-scrollbar-thumb{
+  background: var(--channel);
+  border-radius: 3px;
+}
+
+/* Empty state */
+.empty-state {
+  display: flex;
+  flex-direction: column;
+  align-items: center;
+  justify-content: center;
+  height: 100%;
+  color: var(--text-muted);
+  font-size: 16px;
+  text-align: center;
+}
+
+.empty-state .icon {
+  font-size: 48px;
+  margin-bottom: 16px;
+  opacity: 0.5;
+}
+
+.msg{
+  display: grid;
+  grid-template-columns: 40px 1fr;
+  gap: 12px;
+  padding: 8px 12px;
+  border-radius: var(--radius);
+  background: var(--message-bg);
+  margin-bottom: 4px;
+  align-items: start;
+}
+
+.msg:hover{
+  background: var(--channel);
+}
+
+.avatar{
+  width: 40px;
+  height: 40px;
+  border-radius: 50%;
+  background: #5865f2;
+  object-fit: cover;
+  flex-shrink: 0;
+}
+
+.body{
+  display: flex;
+  flex-direction: column;
+  min-width: 0;
+  overflow: hidden;
+}
+
+.meta{
+  display: flex;
+  gap: 8px;
+  align-items: baseline;
+  margin-bottom: 2px;
+}
+
+.username{
+  font-weight: 600;
+  color: var(--text-normal);
+}
+
+.channel-name {
+  font-size: 12px;
+  color: var(--text-muted);
+  background: var(--channel);
+  padding: 2px 6px;
+  border-radius: 10px;
+}
+
+.timestamp{
+  font-size: 12px;
+  color: var(--text-muted);
+  margin-left: auto;
+}
+
+.content{
+  word-wrap: break-word;
+  line-height: 1.6;
+  overflow-wrap: break-word;
+}
+
+/* ================= Media Content ================= */
+.content img {
+  max-width: 400px;
+  max-height: 300px;
+  width: auto;
+  height: auto;
+  margin-top: 8px;
+  border-radius: var(--radius);
+  object-fit: contain;
+  display: block;
+}
+
+.content .sticker-img {
+  max-width: 128px;
+  max-height: 128px;
+  margin-top: 6px;
+}
+
+.attachment-container {
+  margin-top: 8px;
+}
+
+code{
+  background:#1e1f22;
+  padding:2px 4px;
+  border-radius:4px;
+  font-family:monospace;
+}
+pre{
+  background:#1e1f22;
+  padding:6px;
+  border-radius:4px;
+  overflow-x:auto;
+  font-size:0.8rem;
+}
+
+a{
+  color:var(--accent-blue);
+  text-decoration:none;
+}
+a:hover{ text-decoration:underline; }
+
+/* ================= Mentions ================= */
+.mention {
+  background: #5865f2;
+  color: white;
+  padding: 2px 4px;
+  border-radius: 3px;
+  font-weight: 500;
+  font-size: 0.9em;
+}
+
+/* ================= Inline Emotes ================= */
+.inline-emote {
+  display: inline !important;
+  vertical-align: middle !important;
+  height: 22px !important;
+  width: 22px !important;
+  max-height: 22px !important;
+  max-width: 22px !important;
+  min-height: 22px !important;
+  min-width: 22px !important;
+  object-fit: contain !important;
+  margin: 0 2px 0 2px !important;
+  border: none !important;
+  background: transparent !important;
+  position: relative !important;
+  top: 1px !important;
+}
+
+/* ================= Lottie Stickers ================= */
+.lottie-sticker {
+  display: inline-block;
+  border-radius: var(--radius);
+  overflow: hidden;
+}
+
+.lottie-sticker canvas {
+  display: block;
+  border-radius: var(--radius);
+}
diff --git a/src/renderer/src/assets/main.css b/src/renderer/src/assets/main.css
new file mode 100644
index 0000000..4c2db9e
--- /dev/null
+++ b/src/renderer/src/assets/main.css
@@ -0,0 +1,6 @@
+@import './base.css';
+
+#root {
+  height: 100vh;
+  width: 100vw;
+}
diff --git a/src/renderer/src/components/ConfigModal.tsx b/src/renderer/src/components/ConfigModal.tsx
new file mode 100644
index 0000000..f927045
--- /dev/null
+++ b/src/renderer/src/components/ConfigModal.tsx
@@ -0,0 +1,148 @@
+import { useState, useEffect } from 'react'
+
+interface ConfigModalProps {
+  isOpen: boolean
+  onClose: () => void
+}
+
+interface ChannelConfig {
+  id: string
+  nickname: string
+}
+
+export default function ConfigModal({
+  isOpen,
+  onClose
+}: ConfigModalProps): React.JSX.Element | null {
+  const [channels, setChannels] = useState<ChannelConfig[]>([])
+  const [newChannelId, setNewChannelId] = useState('')
+  const [newNickname, setNewNickname] = useState('')
+  const [isLoading, setIsLoading] = useState(false)
+
+  useEffect(() => {
+    if (isOpen) {
+      loadChannels()
+    }
+  }, [isOpen])
+
+  const loadChannels = async (): Promise<void> => {
+    try {
+      const channelList = await window.electron.config.getChannelList()
+      setChannels(channelList)
+    } catch (error) {
+      console.error('Failed to load channels:', error)
+    }
+  }
+
+  const handleAddChannel = async (): Promise<void> => {
+    if (!newChannelId.trim() || !newNickname.trim()) {
+      return
+    }
+
+    setIsLoading(true)
+    try {
+      await window.electron.config.setChannelNickname(newChannelId.trim(), newNickname.trim())
+      setNewChannelId('')
+      setNewNickname('')
+      await loadChannels()
+    } catch (error) {
+      console.error('Failed to add channel:', error)
+    } finally {
+      setIsLoading(false)
+    }
+  }
+
+  const handleRemoveChannel = async (channelId: string): Promise<void> => {
+    try {
+      await window.electron.config.removeChannelNickname(channelId)
+      await loadChannels()
+    } catch (error) {
+      console.error('Failed to remove channel:', error)
+    }
+  }
+
+  const handleKeyPress = (e: React.KeyboardEvent): void => {
+    if (e.key === 'Enter') {
+      handleAddChannel()
+    }
+  }
+
+  if (!isOpen) {
+    return null
+  }
+
+  return (
+    <div className="modal-backdrop" onClick={onClose}>
+      <div className="modal-content" onClick={(e) => e.stopPropagation()}>
+        <div className="modal-header">
+          <h2>Channel Configuration</h2>
+          <button className="modal-close" onClick={onClose}>
+            ×
+          </button>
+        </div>
+
+        <div className="modal-body">
+          <div className="add-channel-section">
+            <h3>Add Channel</h3>
+            <div className="input-group">
+              <input
+                type="text"
+                placeholder="Channel ID"
+                value={newChannelId}
+                onChange={(e) => setNewChannelId(e.target.value)}
+                onKeyPress={handleKeyPress}
+              />
+              <input
+                type="text"
+                placeholder="Nickname"
+                value={newNickname}
+                onChange={(e) => setNewNickname(e.target.value)}
+                onKeyPress={handleKeyPress}
+              />
+              <button
+                onClick={handleAddChannel}
+                disabled={isLoading || !newChannelId.trim() || !newNickname.trim()}
+              >
+                Add
+              </button>
+            </div>
+          </div>
+
+          <div className="channel-list-section">
+            <h3>Configured Channels ({channels.length})</h3>
+            {channels.length === 0 ? (
+              <div className="empty-channels">
+                <p>No channels configured yet.</p>
+                <p>Add channel IDs above to filter messages.</p>
+              </div>
+            ) : (
+              <div className="channel-list">
+                {channels.map((channel) => (
+                  <div key={channel.id} className="channel-item">
+                    <div className="channel-info">
+                      <div className="channel-nickname">{channel.nickname}</div>
+                      <div className="channel-id">{channel.id}</div>
+                    </div>
+                    <button
+                      className="remove-button"
+                      onClick={() => handleRemoveChannel(channel.id)}
+                      title="Remove channel"
+                    >
+                      🗑️
+                    </button>
+                  </div>
+                ))}
+              </div>
+            )}
+          </div>
+        </div>
+
+        <div className="modal-footer">
+          <button className="close-button" onClick={onClose}>
+            Close
+          </button>
+        </div>
+      </div>
+    </div>
+  )
+}
\ No newline at end of file
diff --git a/src/renderer/src/components/Message.tsx b/src/renderer/src/components/Message.tsx
new file mode 100644
index 0000000..c0c0ae7
--- /dev/null
+++ b/src/renderer/src/components/Message.tsx
@@ -0,0 +1,260 @@
+import React from 'react'
+import Lottie from 'react-lottie-player'
+import { DiscordMessage, DiscordUserMention, STICKER_TYPE_TO_EXTENSION } from '../types/discord'
+
+interface MessageProps {
+  message: DiscordMessage
+  channelNickname?: string
+}
+
+const fallbackAvatar = 'https://cdn.discordapp.com/embed/avatars/0.png'
+const avatarBaseUrl = 'https://cdn.discordapp.com/avatars/'
+
+interface ParsedContent {
+  html: string
+  imageUrls: string[]
+}
+
+const parseMentionsAndEmotes = (
+  content: string,
+  mentions?: DiscordUserMention[]
+): ParsedContent => {
+  let parsedContent = content
+  const imageUrls: string[] = []
+
+  // Replace user mentions <@user_id> with usernames
+  if (mentions && mentions.length > 0) {
+    mentions.forEach((mention) => {
+      const mentionRegex = new RegExp(`<@!?${mention.id}>`, 'g')
+      parsedContent = parsedContent.replace(
+        mentionRegex,
+        `<span class="mention">@${mention.username}</span>`
+      )
+    })
+  }
+
+  parsedContent = parsedContent.replace(/<@!?(\d+)>/g, '<span class="mention">@unknown</span>')
+
+  // Replace Discord emote syntax <:name:id> and <a:name:id> with img tags FIRST
+  parsedContent = parsedContent.replace(/<(a?):([^:]+):(\d+)>/g, (_, animated, name, id) => {
+    // Validate that we have a proper ID
+    if (!id || id === '0' || !/^\d+$/.test(id) || !name.trim()) {
+      return `[${name || 'emote'}]` // Fallback for invalid emotes
+    }
+
+    const extension = animated === 'a' ? 'gif' : 'webp'
+    const safeName = name.replace(/['"<>&]/g, (char) => {
+      const entities: Record<string, string> = {
+        "'": '&#39;',
+        '"': '&quot;',
+        '<': '&lt;',
+        '>': '&gt;',
+        '&': '&amp;'
+      }
+      return entities[char] || char
+    })
+    const safeUrl = `https://cdn.discordapp.com/emojis/${id}.${extension}?size=64`
+    return `<img src="${safeUrl}" alt="${safeName}" class="inline-emote" onerror="this.outerHTML='[${safeName}]';" />`
+  })
+
+  // Also handle any remaining malformed emote patterns
+  parsedContent = parsedContent.replace(/<a?:[^>]*>/g, (match) => {
+    // Extract name if possible for fallback
+    const nameMatch = match.match(/<a?:([^:>]+)/)
+    const fallbackName = nameMatch ? nameMatch[1] : 'emote'
+    return `[${fallbackName}]`
+  })
+
+  // First, protect existing img tags by replacing them with placeholders
+  const imgPlaceholders: string[] = []
+  parsedContent = parsedContent.replace(/<img[^>]*>/g, (imgTag) => {
+    const placeholder = `__IMG_PLACEHOLDER_${imgPlaceholders.length}__`
+    imgPlaceholders.push(imgTag)
+    return placeholder
+  })
+
+  // Now handle URLs safely
+  const urlRegex = /(https?:\/\/[^\s]+)/g
+  parsedContent = parsedContent.replace(urlRegex, (url) => {
+    // Check if URL ends with image extension
+    const imageExtensions = /\.(png|jpe?g|gif|webp)(\?[^\s]*)?$/i
+    if (imageExtensions.test(url)) {
+      imageUrls.push(url)
+      return '' // Remove image URL from content
+    }
+    return `<a href="${url}" target="_blank" rel="noopener noreferrer">${url}</a>`
+  })
+
+  // Restore img tags from placeholders
+  imgPlaceholders.forEach((imgTag, index) => {
+    const placeholder = `__IMG_PLACEHOLDER_${index}__`
+    parsedContent = parsedContent.replace(placeholder, imgTag)
+  })
+
+  // Convert newlines to HTML line breaks
+  parsedContent = parsedContent.replace(/\n/g, '<br>')
+
+  return { html: parsedContent, imageUrls }
+}
+
+const Message: React.FC<MessageProps> = ({ message, channelNickname }) => {
+  const {
+    author,
+    author_name,
+    avatar_id,
+    nickname,
+    content,
+    time,
+    attachments,
+    sticker_id,
+    sticker_name,
+    sticker_type,
+    mentions
+  } = message
+  let avatarUrl = avatarBaseUrl + author + '/' + avatar_id + '.webp?size=80'
+  if (author === null || avatar_id === null) {
+    avatarUrl = fallbackAvatar
+  }
+
+  const displayName = nickname || author_name
+  const displayTime = time
+    ? new Date(time).toLocaleTimeString([], { hour: '2-digit', minute: '2-digit' })
+    : ''
+
+  // Separate image and non-image attachments
+  const imageAttachments =
+    attachments?.filter((att) => att.content_type?.startsWith('image/')) || []
+  const nonImageAttachments =
+    attachments?.filter((att) => !att.content_type?.startsWith('image/')) || []
+
+  const renderSticker = (): React.JSX.Element | null => {
+    if (!sticker_id || sticker_type === undefined) return null
+
+    // Type 3 is Lottie animation
+    if (sticker_type === 3) {
+      const lottieUrl = `https://discord.com/stickers/${sticker_id}.json`
+      return (
+        <div className="attachment-container">
+          <Lottie
+            loop
+            path={lottieUrl}
+            play
+            style={{ width: 128, height: 128 }}
+            className="sticker-img lottie-sticker"
+          />
+        </div>
+      )
+    }
+
+    const stickerImageUrl = `https://media.discordapp.net/stickers/${sticker_id}.${STICKER_TYPE_TO_EXTENSION[sticker_type]}?size=128`
+    return (
+      <div className="attachment-container">
+        <img
+          src={stickerImageUrl}
+          alt={sticker_name}
+          className="sticker-img"
+          onError={(e) => {
+            console.error('Static sticker failed to load:', stickerImageUrl)
+            e.currentTarget.style.display = 'none'
+          }}
+        />
+      </div>
+    )
+  }
+
+  return (
+    <div className="msg">
+      <img className="avatar" src={avatarUrl || fallbackAvatar} alt={author_name} />
+
+      <div className="body">
+        <div className="meta">
+          <span className="username">{displayName}</span>
+          {channelNickname && <span className="channel-name">#{channelNickname}</span>}
+          <span className="timestamp">{displayTime}</span>
+        </div>
+
+        <div className="content">
+          {(() => {
+            if (!content) return null
+
+            const parsed = parseMentionsAndEmotes(content, mentions)
+
+            return (
+              <>
+                <div dangerouslySetInnerHTML={{ __html: parsed.html }} />
+
+                {/* Render extracted image URLs as React components */}
+                {parsed.imageUrls.map((imageUrl, index) => (
+                  <div key={index} className="attachment-container">
+                    <img
+                      src={imageUrl}
+                      alt="Content image"
+                      style={{
+                        maxWidth: '400px',
+                        maxHeight: '300px',
+                        borderRadius: '6px',
+                        marginTop: '8px',
+                        display: 'block'
+                      }}
+                      onError={(e) => {
+                        e.currentTarget.style.display = 'none'
+                      }}
+                    />
+                  </div>
+                ))}
+              </>
+            )
+          })()}
+
+          {renderSticker()}
+
+          {/* Render all image attachments */}
+          {imageAttachments.map((attachment, index) => (
+            <div key={`img-${attachment.id || index}`} className="attachment-container">
+              <img
+                src={attachment.proxy_url || attachment.url}
+                alt={attachment.filename}
+                style={{
+                  maxWidth: '400px',
+                  maxHeight: '300px',
+                  borderRadius: '6px',
+                  marginTop: '8px',
+                  display: 'block'
+                }}
+                onError={(e) => {
+                  console.error('Attachment image failed to load:', attachment.filename)
+                  e.currentTarget.style.display = 'none'
+                }}
+              />
+            </div>
+          ))}
+
+          {/* Render non-image attachments as clickable links */}
+          {nonImageAttachments.map((attachment, index) => (
+            <div key={`file-${attachment.id || index}`} className="attachment-container">
+              <a
+                href={attachment.url}
+                target="_blank"
+                rel="noopener noreferrer"
+                className="file-attachment"
+                style={{
+                  display: 'inline-block',
+                  padding: '8px 12px',
+                  background: 'var(--channel)',
+                  borderRadius: '6px',
+                  textDecoration: 'none',
+                  color: 'var(--accent-blue)',
+                  marginTop: '8px'
+                }}
+              >
+                📎 {attachment.filename}
+              </a>
+            </div>
+          ))}
+        </div>
+      </div>
+    </div>
+  )
+}
+
+export default Message
diff --git a/src/renderer/src/env.d.ts b/src/renderer/src/env.d.ts
new file mode 100644
index 0000000..11f02fe
--- /dev/null
+++ b/src/renderer/src/env.d.ts
@@ -0,0 +1 @@
+/// <reference types="vite/client" />
diff --git a/src/renderer/src/main.tsx b/src/renderer/src/main.tsx
new file mode 100644
index 0000000..5905ed1
--- /dev/null
+++ b/src/renderer/src/main.tsx
@@ -0,0 +1,11 @@
+import './assets/main.css'
+
+import { StrictMode } from 'react'
+import { createRoot } from 'react-dom/client'
+import App from './App'
+
+createRoot(document.getElementById('root')!).render(
+  <StrictMode>
+    <App />
+  </StrictMode>
+)
diff --git a/src/renderer/src/types/discord.ts b/src/renderer/src/types/discord.ts
new file mode 100644
index 0000000..003da4d
--- /dev/null
+++ b/src/renderer/src/types/discord.ts
@@ -0,0 +1,45 @@
+export interface DiscordMessage {
+  id: string
+  author: string
+  author_name: string
+  global_author_name: string
+  avatar_id: string
+  channel: string
+
+  nickname?: string
+  content?: string
+  time?: string
+
+  sticker_id?: string
+  sticker_name?: string
+  sticker_type?: number
+
+  mentions?: DiscordUserMention[]
+  attachments?: DiscordAttachment[]
+}
+
+export interface DiscordUserMention {
+  id: string
+  username: string
+  discriminator: string
+  avatar?: string
+}
+
+export interface DiscordAttachment {
+  id: string
+  filename: string
+  size: number
+  url: string
+  proxy_url: string
+  width?: number
+  height?: number
+  content_type?: string
+  description?: string
+}
+
+export const STICKER_TYPE_TO_EXTENSION: Record<number, string> = {
+  1: 'webp',
+  2: 'png',
+  3: 'json',
+  4: 'gif'
+}
-- 
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