Add Docker Compose and Podman support for containerized deployment

Adds Dockerfile, docker-compose.yml, and .dockerignore to enable
running ADS-Bit in a container with host networking for LAN receiver
auto-scanning. Bind mounts persist config, sprites, and backgrounds
across container recreation. Updates README with usage instructions.

Closes #4

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -23,6 +23,5 @@ __pycache__/
 .DS_Store
 Thumbs.db
 
-# Local config — contains the admin password hash and session secret.
+# Local config (uncomment if you want to ignore local changes)
-# Fresh installs start from config.json.example (see CONFIG.md).
+# config.json
-config.json

CLAUDE.md

@@ -48,15 +48,6 @@ Access at http://localhost:{web_port} (configured in config.json)
 - **admin/** - Admin panel (login + tabbed settings UI)
   - Theme management: rename display names, upload per-direction background PNGs, create new themes
   - Display names stored in `config.json` `theme_names` map (folder name -> display name)
-  - Receivers tab: live per-receiver health (via `GET /api/admin/receiver-status` and `POST /api/admin/test-receivers`), a select → SAVE & APPLY → auto-test flow, selectable scan results, and a per-interface scan selector
-  - Version (from `server.py` `VERSION`) is surfaced via public `GET /api/config` and shown in the admin header
-  - **pixel-editor.js** - In-app Canvas2D pixel editor (Sprites tab "EDIT" button)
-    - Edits sprites at native 500x333; tools: pencil, eraser, color picker, fill bucket, pan, line, rectangle, ellipse (outline/filled), rectangular select
-    - Select & move: marquee + floating layer, drag/arrow-nudge, Ctrl+C/X/V clipboard, Delete, Enter/Esc commit
-    - Zoom/pan, undo/redo (snapshot-per-stroke), grid overlay, brush size & opacity, retro + custom (localStorage) + recent palettes, adjustable reference-image overlay
-    - Exports a 500x333 PNG via `srcCanvas.toBlob` and POSTs to the existing `/api/admin/sprites/{type}` upload endpoint (no new server route)
-    - Keyboard: B/E/I/F/L/R/O/M tools, Space=pan, +/-/0 zoom, Ctrl+Z/Y undo/redo, Ctrl+C/X/V, arrows nudge, G grid, Esc close
-  - **Asset cache-busting:** `admin.html` references `admin.css`/`admin.js`/`pixel-editor.js` with a `?v=YYYYMMDD[x]` query — bump it whenever those files change so browsers reload them
 
 - **setup/** - First-run setup wizard (multi-step configuration)
 

README.md

@@ -7,16 +7,14 @@ A retro SNES-style side-view flight tracker that displays ADS-B aircraft data wi
 ## Features
 
 - Real-time aircraft tracking via ADS-B receivers
-- Custom pixel art sprites for 9 aircraft types (small prop, regional jet, narrow body, wide body, heavy, helicopter, balloon, glider, UAV)
+- Custom pixel art sprites for 6 aircraft types (small prop, regional jet, narrow body, wide body, heavy, helicopter)
 - Animated sun and moon with accurate astronomical positions
 - Dynamic sky colors based on time of day
 - Weather visualization with cloud sprites
 - Directional view (N/E/S/W) with themed backgrounds
-- Auto-discovery of ADS-B receivers on your network, with per-interface scanning
+- Auto-discovery of ADS-B receivers on your network
 - Canvas-based 10 FPS retro rendering
 - Admin panel with password authentication
-- **In-app pixel editor** — draw and edit sprites in the browser (pencil, shapes, fill, select & move, reference overlay, custom palettes)
-- **Receiver health dashboard** — live per-receiver status (receiving / no data / unreachable), connection testing, and select → save → apply flow
 - First-run setup wizard
 
 ## Quick Start
@@ -104,8 +102,8 @@ ADS-Bit uses a first-run setup wizard to configure your installation. You can al
   "receiver_port": 30003,
   "location": {
     "name": "My Location",
-    "lat": 36.2788,
+    "lat": 0.0,
-    "lon": -115.2283
+    "lon": 0.0
   },
   "web_port": 2001,
   "theme": "desert"

admin/admin.css

@@ -169,15 +169,6 @@ textarea {
     margin: 0;
 }
 
-.admin-version {
-    font-family: 'Courier New', monospace;
-    font-size: 11px;
-    color: #54fc54;
-    text-shadow: none;
-    margin-left: 6px;
-    vertical-align: middle;
-}
-
 .header-actions {
     display: flex;
     gap: 8px;
@@ -601,384 +592,6 @@ textarea {
     font-size: 11px;
 }
 
-/* ===================================================================
-   Receivers tab — status indicators & selectable scan results
-   =================================================================== */
-.rx-section-label {
-    font-family: 'Press Start 2P', monospace;
-    font-size: 10px;
-    color: #fcd444;
-    margin: 22px 0 12px;
-    padding-bottom: 6px;
-    border-bottom: 1px solid rgba(92, 148, 252, 0.3);
-}
-
-.rx-summary {
-    font-family: 'Courier New', monospace;
-    font-size: 12px;
-    color: #b4d4ec;
-}
-
-#receiver-status-list {
-    display: flex;
-    flex-direction: column;
-    gap: 8px;
-    margin-bottom: 12px;
-}
-
-.rx-status-item {
-    display: flex;
-    align-items: center;
-    gap: 10px;
-    background: rgba(0, 0, 0, 0.3);
-    border: 1px solid rgba(92, 148, 252, 0.4);
-    border-radius: 6px;
-    padding: 8px 12px;
-    font-size: 13px;
-    flex-wrap: wrap;
-}
-
-.rx-dot {
-    width: 12px;
-    height: 12px;
-    border-radius: 50%;
-    flex-shrink: 0;
-    box-shadow: 0 0 6px currentColor;
-}
-.rx-dot.green  { background: #54fc54; color: #54fc54; }
-.rx-dot.yellow { background: #fcd444; color: #fcd444; }
-.rx-dot.red    { background: #fc5454; color: #fc5454; }
-.rx-dot.gray   { background: #888;    color: #888; box-shadow: none; }
-
-.rx-ip {
-    font-family: 'Courier New', monospace;
-    font-weight: bold;
-    color: #fcfcfc;
-    min-width: 110px;
-}
-
-.rx-label {
-    font-family: 'Press Start 2P', monospace;
-    font-size: 8px;
-}
-.rx-green  { color: #54fc54; }
-.rx-yellow { color: #fcd444; }
-.rx-red    { color: #fc5454; }
-.rx-gray   { color: #888; }
-
-.rx-detail {
-    color: #b4d4ec;
-    font-size: 11px;
-    margin-left: auto;
-}
-
-.rx-scan-item {
-    display: flex;
-    align-items: center;
-    gap: 10px;
-    padding: 6px 4px;
-    cursor: pointer;
-    border-bottom: 1px solid rgba(92, 148, 252, 0.2);
-}
-
-.rx-scan-item input[type="checkbox"] {
-    width: 16px;
-    height: 16px;
-    accent-color: #fcd444;
-    cursor: pointer;
-}
-
-.rx-scan-ip {
-    font-family: 'Courier New', monospace;
-    font-weight: bold;
-    color: #fcfcfc;
-}
-
-/* ===================================================================
-   Pixel Editor
-   =================================================================== */
-.pe-overlay {
-    position: fixed;
-    inset: 0;
-    background: rgba(0, 0, 0, 0.85);
-    z-index: 2000;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-    padding: 20px;
-}
-
-body.pe-open { overflow: hidden; }
-
-.pe-modal {
-    background: linear-gradient(180deg, #2c3e50 0%, #1a252f 100%);
-    border: 3px solid #fcd444;
-    border-radius: 12px;
-    width: 100%;
-    max-width: 1100px;
-    height: 100%;
-    max-height: 760px;
-    display: flex;
-    flex-direction: column;
-    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.6);
-    overflow: hidden;
-}
-
-.pe-header {
-    display: flex;
-    align-items: center;
-    justify-content: space-between;
-    padding: 12px 16px;
-    background: rgba(0, 0, 0, 0.3);
-    border-bottom: 2px solid #5c94fc;
-    flex-wrap: wrap;
-    gap: 8px;
-}
-
-.pe-header .retro-title {
-    font-size: 13px;
-    margin: 0;
-}
-
-.pe-header-actions {
-    display: flex;
-    gap: 6px;
-    flex-wrap: wrap;
-}
-
-.pe-body {
-    flex: 1;
-    display: grid;
-    grid-template-columns: auto 1fr auto;
-    grid-template-rows: 1fr;
-    min-height: 0;
-}
-
-/* Toolbar (left column) */
-.pe-toolbar {
-    display: flex;
-    flex-direction: column;
-    gap: 14px;
-    padding: 14px 10px;
-    background: rgba(0, 0, 0, 0.25);
-    border-right: 2px solid #5c94fc;
-    overflow-y: auto;
-}
-
-.pe-tool-group {
-    display: flex;
-    flex-direction: column;
-    gap: 6px;
-    padding-bottom: 12px;
-    border-bottom: 1px solid rgba(92, 148, 252, 0.25);
-}
-
-.pe-tool-group:last-child { border-bottom: none; padding-bottom: 0; }
-
-.pe-tool, .pe-icon-btn {
-    width: 44px;
-    height: 44px;
-    font-size: 20px;
-    line-height: 1;
-    border: 2px solid #5c94fc;
-    border-radius: 6px;
-    background: rgba(92, 148, 252, 0.15);
-    color: #fcfcfc;
-    cursor: pointer;
-    transition: all 0.12s;
-    display: flex;
-    align-items: center;
-    justify-content: center;
-}
-
-.pe-tool:hover, .pe-icon-btn:hover:not(:disabled) {
-    background: rgba(92, 148, 252, 0.4);
-}
-
-.pe-tool.active {
-    background: rgba(252, 212, 68, 0.3);
-    border-color: #fcd444;
-    color: #fcd444;
-}
-
-.pe-icon-btn:disabled {
-    opacity: 0.35;
-    cursor: not-allowed;
-}
-
-.pe-tool-label {
-    font-family: 'Press Start 2P', monospace;
-    font-size: 8px;
-    color: #b4d4ec;
-    text-align: center;
-}
-
-.pe-check {
-    display: flex;
-    align-items: center;
-    gap: 6px;
-    font-family: 'Press Start 2P', monospace;
-    font-size: 8px;
-    color: #b4d4ec;
-    cursor: pointer;
-}
-
-.pe-check input { width: 16px; height: 16px; accent-color: #fcd444; cursor: pointer; }
-
-.pe-brush-group { align-items: center; }
-.pe-brush-group input[type="range"] { width: 44px; accent-color: #fcd444; }
-
-/* Canvas area (center column) */
-.pe-canvas-wrap {
-    position: relative;
-    min-width: 0;
-    background: #14202b;
-    overflow: hidden;
-}
-
-#pe-view {
-    display: block;
-    width: 100%;
-    height: 100%;
-    touch-action: none;
-}
-
-/* Sidebar (right column) */
-.pe-sidebar {
-    width: 150px;
-    padding: 14px 12px;
-    background: rgba(0, 0, 0, 0.25);
-    border-left: 2px solid #5c94fc;
-    display: flex;
-    flex-direction: column;
-    gap: 14px;
-    overflow-y: auto;
-}
-
-.pe-color-current {
-    display: flex;
-    flex-direction: column;
-    gap: 8px;
-    align-items: center;
-}
-
-.pe-swatch-large {
-    width: 100%;
-    height: 48px;
-    border: 2px solid #fcfcfc;
-    border-radius: 6px;
-    background: #5c94fc;
-}
-
-#pe-color-input {
-    width: 100%;
-    height: 32px;
-    padding: 2px;
-    border: 2px solid #5c94fc;
-    border-radius: 6px;
-    background: rgba(0, 0, 0, 0.5);
-    cursor: pointer;
-}
-
-.pe-palette {
-    display: grid;
-    grid-template-columns: repeat(4, 1fr);
-    gap: 4px;
-}
-
-.pe-swatch {
-    aspect-ratio: 1;
-    border: 1px solid rgba(255, 255, 255, 0.3);
-    border-radius: 3px;
-    cursor: pointer;
-    padding: 0;
-    transition: transform 0.1s;
-}
-
-.pe-swatch:hover {
-    transform: scale(1.12);
-    border-color: #fcd444;
-}
-
-.pe-readout {
-    margin-top: auto;
-    font-family: 'Press Start 2P', monospace;
-    font-size: 8px;
-    color: #b4d4ec;
-    line-height: 2.2;
-}
-
-.pe-readout span { color: #54fc54; }
-
-/* Sidebar: opacity, palettes, reference */
-.pe-opacity-group {
-    display: flex;
-    flex-direction: column;
-    gap: 4px;
-}
-.pe-opacity-group input[type="range"] { width: 100%; accent-color: #fcd444; }
-
-.pe-subhead {
-    font-family: 'Press Start 2P', monospace;
-    font-size: 7px;
-    color: #b4d4ec;
-    margin-top: 4px;
-    letter-spacing: 1px;
-}
-
-.pe-mini-btn {
-    font-family: 'Press Start 2P', monospace;
-    font-size: 7px;
-    padding: 6px 4px;
-    border: 2px solid #5c94fc;
-    border-radius: 5px;
-    background: rgba(92, 148, 252, 0.15);
-    color: #fcfcfc;
-    cursor: pointer;
-    transition: all 0.12s;
-    text-align: center;
-}
-.pe-mini-btn:hover { background: rgba(92, 148, 252, 0.4); }
-
-#pe-custom-palette:empty::after,
-#pe-recent-palette:empty::after {
-    content: '—';
-    color: #555;
-    font-size: 11px;
-}
-
-.pe-ref-controls {
-    display: flex;
-    flex-direction: column;
-    gap: 6px;
-}
-.pe-ref-row { display: flex; gap: 6px; }
-.pe-ref-row .pe-mini-btn { flex: 1; }
-.pe-ref-load { display: inline-block; }
-.pe-ref-controls input[type="range"] { width: 100%; accent-color: #fcd444; }
-
-/* Sprite card EDIT button uses primary accent */
-.sprite-edit-btn { border-color: #fcd444; color: #fcd444; }
-.sprite-edit-btn:hover { background: rgba(252, 212, 68, 0.3); }
-
-@media (max-width: 768px) {
-    .pe-modal { max-height: none; border-radius: 0; }
-    .pe-body { grid-template-columns: auto 1fr; }
-    .pe-sidebar {
-        grid-column: 1 / -1;
-        grid-row: 2;
-        width: auto;
-        flex-direction: row;
-        flex-wrap: wrap;
-        align-items: center;
-        border-left: none;
-        border-top: 2px solid #5c94fc;
-    }
-    .pe-body { grid-template-rows: 1fr auto; }
-    .pe-palette { flex: 1; }
-    .pe-readout { margin-top: 0; }
-}
-
 /* Mobile */
 @media (max-width: 768px) {
     .admin-header {

admin/admin.html

@@ -7,7 +7,7 @@
     <link rel="preconnect" href="https://fonts.googleapis.com">
     <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
     <link href="https://fonts.googleapis.com/css2?family=Press+Start+2P&display=swap" rel="stylesheet">
-    <link rel="stylesheet" href="/admin/admin.css?v=20260609d">
+    <link rel="stylesheet" href="/admin/admin.css">
 </head>
 <body>
     <!-- Login Screen -->
@@ -27,7 +27,7 @@
     <!-- Admin Panel -->
     <div id="admin-panel" class="hidden">
         <header class="admin-header">
-            <h1 class="retro-title">ADS-Bit Admin <span id="admin-version" class="admin-version"></span></h1>
+            <h1 class="retro-title">ADS-Bit Admin</h1>
             <div class="header-actions">
                 <a href="/" class="btn btn-small">VIEWER</a>
                 <button id="logout-btn" class="btn btn-small btn-danger">LOGOUT</button>
@@ -76,69 +76,37 @@
             <!-- Receivers Tab -->
             <section id="tab-receivers" class="tab-pane hidden">
                 <h2>Receiver Configuration</h2>
-
+                <div id="network-info-box" class="info-box">
-                <!-- Live status of the receivers the app is currently using -->
+                    <h3>Host Network</h3>
-                <div id="receiver-status-box" class="info-box">
+                    <div id="network-info">Loading...</div>
-                    <h3>Active Receivers <span id="receiver-status-summary" class="rx-summary"></span></h3>
-                    <div id="receiver-status-list">Loading...</div>
-                    <div class="button-row">
-                        <button id="test-receivers-btn" class="btn">TEST CONNECTIONS</button>
-                        <button id="restart-receivers-btn" class="btn">RESTART CONNECTIONS</button>
-                    </div>
-                    <p class="hint">🟢 receiving data &nbsp; 🟡 connected, no data yet &nbsp; 🔴 unreachable</p>
                 </div>
-
-                <!-- Step 1: choose how receivers are selected -->
-                <div class="rx-section-label">1. Select Receivers</div>
                 <div class="form-group">
                     <label>Discovery Mode</label>
                     <select id="receiver-mode">
-                        <option value="AUTO">AUTO (use all receivers found on the network)</option>
+                        <option value="AUTO">AUTO (scan network)</option>
-                        <option value="MANUAL">MANUAL (use only the IPs I specify)</option>
+                        <option value="MANUAL">MANUAL (specify IPs)</option>
                     </select>
                 </div>
                 <div id="manual-ips-group" class="form-group hidden">
                     <label>Receiver IPs (one per line)</label>
                     <textarea id="receiver-ips-input" rows="4" placeholder="192.168.1.100&#10;192.168.1.101"></textarea>
-                    <span class="hint">The app connects to every IP listed here.</span>
                 </div>
                 <div class="form-group">
                     <label>Receiver Port</label>
                     <input type="number" id="receiver-port" value="30003" min="1" max="65535">
                 </div>
-
-                <!-- Step 2: save + apply -->
-                <div class="rx-section-label">2. Save &amp; Apply</div>
-                <div class="button-row">
-                    <button id="save-receivers-btn" class="btn btn-primary">SAVE &amp; APPLY</button>
-                </div>
-                <p class="hint">Saves your selection, reconnects immediately, then re-tests the receivers below.</p>
-
-                <!-- Find receivers on the network -->
-                <div class="rx-section-label">Find Receivers on Network</div>
                 <div class="form-group">
-                    <label>Interface / Subnet to Scan</label>
+                    <label>Custom Subnet (optional)</label>
-                    <select id="scan-interface"></select>
+                    <input type="text" id="scan-subnet" placeholder="e.g. 10.0.0.0/24 (leave empty to scan all local subnets)">
-                    <span class="hint">Pick a network interface to scan, or scan all local subnets.</span>
-                </div>
-                <div class="form-group">
-                    <label>Custom Subnet (optional override)</label>
-                    <input type="text" id="scan-subnet" placeholder="e.g. 10.0.0.0/24 — overrides the selection above">
                 </div>
                 <div class="button-row">
                     <button id="scan-receivers-btn" class="btn">SCAN NOW</button>
+                    <button id="restart-receivers-btn" class="btn">RESTART CONNECTIONS</button>
+                    <button id="save-receivers-btn" class="btn btn-primary">SAVE</button>
                 </div>
                 <div id="scan-results" class="info-box hidden">
                     <h3>Scan Results</h3>
                     <div id="scan-results-list"></div>
-                    <div class="button-row" id="scan-use-row" style="display:none">
-                        <button id="use-selected-btn" class="btn btn-primary">USE SELECTED RECEIVERS</button>
-                    </div>
-                </div>
-
-                <div id="network-info-box" class="info-box">
-                    <h3>Host Network</h3>
-                    <div id="network-info">Loading...</div>
                 </div>
             </section>
 
@@ -297,7 +265,6 @@
         <div id="toast" class="toast hidden"></div>
     </div>
 
-    <script src="/admin/pixel-editor.js?v=20260609d"></script>
+    <script src="/admin/admin.js"></script>
-    <script src="/admin/admin.js?v=20260609d"></script>
 </body>
 </html>

admin/admin.js

@@ -28,22 +28,10 @@
         loadConfig();
         loadThemes();
         loadNetworkInfo();
-        loadVersion();
         refreshStatus();
         statusInterval = setInterval(refreshStatus, 5000);
     }
 
-    async function loadVersion() {
-        try {
-            const res = await fetch('/api/config');
-            if (!res.ok) return;
-            const data = await res.json();
-            if (data.version) {
-                document.getElementById('admin-version').textContent = 'v' + data.version;
-            }
-        } catch (e) { /* ignore */ }
-    }
-
     document.getElementById('login-form').addEventListener('submit', async (e) => {
         e.preventDefault();
         const pw = document.getElementById('login-password').value;
@@ -90,12 +78,6 @@
                 themesManagerLoaded = true;
                 loadThemeManager();
             }
-            // Live receiver health polling only while the Receivers tab is open
-            if (tab.dataset.tab === 'receivers') {
-                startReceiverStatusPolling();
-            } else {
-                stopReceiverStatusPolling();
-            }
         });
     });
 
@@ -209,44 +191,11 @@
             });
             html += '</table>';
             el.innerHTML = html;
-
-            populateScanInterfaces(ifaces);
         } catch (e) {
             el.textContent = 'Error loading network info';
         }
     }
 
-    // Build the "Interface / Subnet to Scan" dropdown from the host interfaces.
-    // Subnets larger than /20 (>4094 hosts) are disabled — the server rejects
-    // them anyway, and scanning e.g. a docker /16 is impractically slow.
-    const MAX_SCAN_HOSTS = 4094;
-    function populateScanInterfaces(ifaces) {
-        const sel = document.getElementById('scan-interface');
-        if (!sel) return;
-        sel.innerHTML = '';
-
-        const allOpt = document.createElement('option');
-        allOpt.value = '';
-        allOpt.textContent = 'All local subnets (slower)';
-        sel.appendChild(allOpt);
-
-        let firstScannable = null;
-        ifaces.forEach(i => {
-            const prefix = parseInt((i.network.split('/')[1]) || '0', 10);
-            const hosts = Math.max(0, Math.pow(2, 32 - prefix) - 2);
-            const opt = document.createElement('option');
-            opt.value = i.network;
-            const tooBig = hosts > MAX_SCAN_HOSTS;
-            opt.textContent = `${i.name} — ${i.network} (${hosts} hosts)` + (tooBig ? ' — too large' : '');
-            opt.disabled = tooBig;
-            sel.appendChild(opt);
-            if (!tooBig && firstScannable === null) firstScannable = i.network;
-        });
-
-        // Default to the first reasonably-sized interface for a fast scan.
-        if (firstScannable !== null) sel.value = firstScannable;
-    }
-
     // ------- Receivers -------
     function toggleManualIps(mode) {
         document.getElementById('manual-ips-group').classList.toggle('hidden', mode === 'AUTO');
@@ -261,10 +210,7 @@
         btn.textContent = 'SCANNING...';
         btn.disabled = true;
         try {
-            // Custom subnet text overrides the interface dropdown selection.
+            const subnet = (document.getElementById('scan-subnet').value || '').trim();
-            const custom = (document.getElementById('scan-subnet').value || '').trim();
-            const iface = document.getElementById('scan-interface').value || '';
-            const subnet = custom || iface;
             const fetchOpts = { method: 'POST' };
             if (subnet) {
                 fetchOpts.headers = { 'Content-Type': 'application/json' };
@@ -272,7 +218,16 @@
             }
             const res = await fetch('/api/admin/scan-receivers', fetchOpts);
             const data = await res.json();
-            renderScanResults(data);
+            const box = document.getElementById('scan-results');
+            const list = document.getElementById('scan-results-list');
+            box.classList.remove('hidden');
+            if (data.error) {
+                list.textContent = data.error;
+            } else if (data.receivers && data.receivers.length) {
+                list.textContent = data.receivers.join(', ');
+            } else {
+                list.textContent = 'No receivers found on network';
+            }
         } catch (e) {
             toast('Scan failed', true);
         }
@@ -280,77 +235,17 @@
         btn.disabled = false;
     });
 
-    // Render scan results as a selectable checklist.
-    function renderScanResults(data) {
-        const box = document.getElementById('scan-results');
-        const list = document.getElementById('scan-results-list');
-        const useRow = document.getElementById('scan-use-row');
-        box.classList.remove('hidden');
-        list.innerHTML = '';
-
-        if (data.error) {
-            list.textContent = data.error;
-            useRow.style.display = 'none';
-            return;
-        }
-        const found = data.receivers || [];
-        if (!found.length) {
-            list.textContent = 'No receivers found on network';
-            useRow.style.display = 'none';
-            return;
-        }
-
-        // Pre-check IPs already in the manual list.
-        const current = new Set(document.getElementById('receiver-ips-input').value
-            .split('\n').map(s => s.trim()).filter(Boolean));
-
-        found.forEach(ip => {
-            const row = document.createElement('label');
-            row.className = 'rx-scan-item';
-            row.innerHTML = `
-                <input type="checkbox" value="${ip}" ${current.has(ip) ? 'checked' : ''}>
-                <span class="rx-scan-ip">${ip}</span>`;
-            list.appendChild(row);
-        });
-        useRow.style.display = '';
-    }
-
-    // "USE SELECTED" -> switch to MANUAL, populate IPs, save & apply.
-    document.getElementById('use-selected-btn').addEventListener('click', async () => {
-        const checked = Array.from(
-            document.querySelectorAll('#scan-results-list input[type="checkbox"]:checked')
-        ).map(cb => cb.value);
-        if (!checked.length) { toast('Select at least one receiver', true); return; }
-
-        document.getElementById('receiver-mode').value = 'MANUAL';
-        toggleManualIps('MANUAL');
-        document.getElementById('receiver-ips-input').value = checked.join('\n');
-        await saveAndApplyReceivers();
-    });
-
     document.getElementById('restart-receivers-btn').addEventListener('click', async () => {
-        const btn = document.getElementById('restart-receivers-btn');
-        const orig = btn.textContent;
-        btn.textContent = 'RESTARTING…';
-        btn.disabled = true;
         try {
             const res = await fetch('/api/admin/restart-receivers', { method: 'POST' });
-            if (res.ok) { toast('Receivers restarted'); await testReceivers(); }
+            if (res.ok) toast('Receivers restarted');
             else toast('Failed to restart', true);
         } catch (e) {
             toast('Error restarting receivers', true);
         }
-        btn.textContent = orig;
-        btn.disabled = false;
     });
 
-    document.getElementById('save-receivers-btn').addEventListener('click', saveAndApplyReceivers);
+    document.getElementById('save-receivers-btn').addEventListener('click', async () => {
-
-    // Save the receiver selection, reconnect, then re-test — the full
-    // select -> save -> verify loop in one action.
-    async function saveAndApplyReceivers() {
-        const btn = document.getElementById('save-receivers-btn');
-        const orig = btn.textContent;
         const mode = document.getElementById('receiver-mode').value;
         const port = parseInt(document.getElementById('receiver-port').value) || 30003;
         const body = { receiver_port: port };
@@ -360,122 +255,11 @@
         } else {
             const ips = document.getElementById('receiver-ips-input').value
                 .split('\n').map(s => s.trim()).filter(Boolean);
-            if (!ips.length) { toast('Enter at least one receiver IP', true); return; }
+            body.receivers = ips.length ? ips : 'AUTO';
-            body.receivers = ips;
         }
 
-        btn.textContent = 'APPLYING…';
+        await saveConfig(body);
-        btn.disabled = true;
+    });
-        try {
-            const saved = await saveConfig(body, true);
-            if (saved) {
-                // Apply immediately so the active list reflects the new selection.
-                await fetch('/api/admin/restart-receivers', { method: 'POST' });
-                await testReceivers();
-                toast('Saved & applied — testing connections');
-            }
-        } catch (e) {
-            toast('Failed to apply', true);
-        }
-        btn.textContent = orig;
-        btn.disabled = false;
-    }
-
-    // ------- Receiver status / health -------
-    let receiverStatusInterval = null;
-
-    function startReceiverStatusPolling() {
-        loadReceiverStatus();
-        if (!receiverStatusInterval) {
-            receiverStatusInterval = setInterval(loadReceiverStatus, 4000);
-        }
-    }
-
-    function stopReceiverStatusPolling() {
-        if (receiverStatusInterval) {
-            clearInterval(receiverStatusInterval);
-            receiverStatusInterval = null;
-        }
-    }
-
-    async function loadReceiverStatus() {
-        const list = document.getElementById('receiver-status-list');
-        try {
-            const res = await fetch('/api/admin/receiver-status');
-            if (!res.ok) {
-                // 404 here almost always means the server is running an older
-                // build without this endpoint — tell the user instead of
-                // leaving a silent "Loading…".
-                if (res.status === 404) {
-                    list.innerHTML = '<span class="no-sprite">Status endpoint not found — ' +
-                        'restart the server to load the latest build.</span>';
-                }
-                return;
-            }
-            const data = await res.json();
-            renderReceiverStatus(data.receivers || [], data.configured);
-        } catch (e) {
-            // Only replace the initial placeholder; don't clobber good data on
-            // a transient poll failure.
-            if (/Loading/.test(list.textContent)) {
-                list.innerHTML = '<span class="no-sprite">Could not reach server.</span>';
-            }
-        }
-    }
-
-    document.getElementById('test-receivers-btn').addEventListener('click', testReceivers);
-
-    async function testReceivers() {
-        const btn = document.getElementById('test-receivers-btn');
-        const orig = btn.textContent;
-        btn.textContent = 'TESTING…';
-        btn.disabled = true;
-        try {
-            const res = await fetch('/api/admin/test-receivers', { method: 'POST' });
-            if (res.ok) {
-                const data = await res.json();
-                renderReceiverStatus(data.receivers || [], undefined, true);
-            } else {
-                toast('Test failed', true);
-            }
-        } catch (e) {
-            toast('Test error', true);
-        }
-        btn.textContent = orig;
-        btn.disabled = false;
-    }
-
-    function renderReceiverStatus(statuses, configured, tested) {
-        const list = document.getElementById('receiver-status-list');
-        const summary = document.getElementById('receiver-status-summary');
-
-        if (configured !== undefined) {
-            const modeLabel = (configured === 'AUTO') ? 'AUTO' : 'MANUAL';
-            summary.textContent = `(${statuses.length} • ${modeLabel})`;
-        }
-
-        if (!statuses.length) {
-            list.innerHTML = '<span class="no-sprite">No receivers configured. ' +
-                'Use AUTO mode or add IPs below, then SAVE &amp; APPLY.</span>';
-            return;
-        }
-
-        list.innerHTML = '';
-        statuses.forEach(s => {
-            const row = document.createElement('div');
-            row.className = 'rx-status-item';
-            const detail = s.last_msg_age != null
-                ? `${s.msg_count} msgs · last ${s.last_msg_age}s ago`
-                : (s.state === 'down' ? (tested ? 'no response on port' : 'not connected')
-                                      : 'waiting for data…');
-            row.innerHTML = `
-                <span class="rx-dot ${s.color}"></span>
-                <span class="rx-ip">${s.ip}</span>
-                <span class="rx-label rx-${s.color}">${s.label}</span>
-                <span class="rx-detail">${detail}</span>`;
-            list.appendChild(row);
-        });
-    }
 
     // ------- Location -------
     document.getElementById('browser-location-btn').addEventListener('click', () => {
@@ -738,7 +522,6 @@
                     <div class="sprite-categories">${sprite.categories || ''}</div>
                     <div class="sprite-preview">${imgHtml}</div>
                     <div class="sprite-btn-row">
-                        <button class="sprite-upload-label sprite-edit-btn" data-type="${sprite.type}">EDIT</button>
                         <label class="sprite-upload-label">
                             UPLOAD
                             <input type="file" class="sprite-upload-input" accept=".png,image/png" data-type="${sprite.type}">
@@ -747,15 +530,6 @@
                     </div>
                 `;
 
-                const editBtn = card.querySelector('.sprite-edit-btn');
-                editBtn.addEventListener('click', () => {
-                    if (window.PixelEditor) {
-                        window.PixelEditor.open(sprite.type, { onSave: loadSprites });
-                    } else {
-                        toast('Pixel editor not loaded', true);
-                    }
-                });
-
                 const fileInput = card.querySelector('.sprite-upload-input');
                 fileInput.addEventListener('change', async (e) => {
                     const file = e.target.files[0];
@@ -796,7 +570,7 @@
     }
 
     // ------- Helpers -------
-    async function saveConfig(body, silent) {
+    async function saveConfig(body) {
         try {
             const res = await fetch('/api/admin/config', {
                 method: 'PUT',
@@ -804,16 +578,13 @@
                 body: JSON.stringify(body)
             });
             if (res.ok) {
-                if (!silent) toast('Settings saved');
+                toast('Settings saved');
-                return true;
             } else {
                 const data = await res.json();
                 toast(data.error || 'Save failed', true);
-                return false;
             }
         } catch (e) {
             toast('Connection error', true);
-            return false;
         }
     }
 

server.py

@@ -17,8 +17,6 @@ from aiohttp import web, ClientSession, ClientTimeout
 import netifaces
 import bcrypt
 
-VERSION = "1.1.0"
-
 WEB_DIR = Path(__file__).parent
 CONFIG_FILE = WEB_DIR / "config.json"
 
@@ -172,69 +170,6 @@ receivers: List[str] = []
 receiver_tasks: List[asyncio.Task] = []
 emitter_categories: Dict[str, str] = {}  # ICAO hex -> ADS-B emitter category (A1, A3, A7, etc.)
 
-# Live per-receiver connection health, keyed by IP. Each entry:
-#   {"state": "connecting"|"connected"|"down", "last_msg": ts|None,
-#    "msg_count": int, "connected_since": ts|None, "error": str}
-receiver_status: Dict[str, dict] = {}
-
-# A receiver is considered "receiving" if it produced a message this recently.
-RECEIVER_DATA_FRESH_SECONDS = 30
-
-
-def reset_receiver_status(ips):
-    """Replace the tracked receiver set, marking each as connecting."""
-    global receiver_status
-    receiver_status = {
-        ip: {"state": "connecting", "last_msg": None,
-             "msg_count": 0, "connected_since": None, "error": ""}
-        for ip in ips
-    }
-
-
-def describe_receiver(ip, reachable=None):
-    """Build a display-friendly status object for one receiver.
-
-    state -> (label, color):
-      down/missing       -> DOWN (red)
-      connecting         -> CONNECTING (gray)
-      connected + data   -> RECEIVING (green)
-      connected, no data -> NO DATA (yellow)  (socket up; maybe no aircraft in range)
-    reachable: optional active port-probe result that overrides a stale state.
-    """
-    st = receiver_status.get(ip)
-    now = time.time()
-    if st is None:
-        state, last_age, msg_count = "down", None, 0
-    else:
-        state = st["state"]
-        last_age = (now - st["last_msg"]) if st["last_msg"] else None
-        msg_count = st["msg_count"]
-
-    # An active probe result is authoritative about reachability.
-    if reachable is False:
-        state = "down"
-    elif reachable is True and state == "down":
-        state = "connected"
-
-    if state == "down":
-        label, color = "DOWN", "red"
-    elif state == "connecting":
-        label, color = "CONNECTING", "gray"
-    elif last_age is not None and last_age <= RECEIVER_DATA_FRESH_SECONDS:
-        label, color = "RECEIVING", "green"
-    else:
-        label, color = "NO DATA", "yellow"
-
-    return {
-        "ip": ip,
-        "state": state,
-        "label": label,
-        "color": color,
-        "msg_count": msg_count,
-        "last_msg_age": round(last_age, 1) if last_age is not None else None,
-        "reachable": reachable,
-    }
-
 
 @dataclass
 class SBSMessage:
@@ -311,17 +246,10 @@ async def connect_to_receiver(host: str, port: int = 30003):
     """Connect to an SBS receiver and process messages"""
     reconnect_delay = config['tuning']['receiver_reconnect_seconds']
     print(f"Connecting to receiver at {host}:{port}...")
-    # Ensure a status entry exists even if this task started outside a reset.
-    receiver_status.setdefault(host, {"state": "connecting", "last_msg": None,
-                                       "msg_count": 0, "connected_since": None, "error": ""})
     while True:
         try:
-            receiver_status[host]["state"] = "connecting"
             reader, writer = await asyncio.open_connection(host, port)
             print(f"Connected to {host}:{port}")
-            receiver_status[host]["state"] = "connected"
-            receiver_status[host]["connected_since"] = time.time()
-            receiver_status[host]["error"] = ""
 
             while True:
                 line = await reader.readline()
@@ -331,8 +259,6 @@ async def connect_to_receiver(host: str, port: int = 30003):
                 line = line.decode('utf-8', errors='ignore')
                 msg = parse_sbs_message(line)
                 if msg and msg.icao:
-                    receiver_status[host]["last_msg"] = time.time()
-                    receiver_status[host]["msg_count"] += 1
                     if msg.icao not in flights:
                         flights[msg.icao] = {
                             'icao': msg.icao,
@@ -369,14 +295,10 @@ async def connect_to_receiver(host: str, port: int = 30003):
                     flight['ground'] = msg.ground
                     flight['last_seen'] = time.time()
 
-            # readline returned empty -> peer closed the connection.
-            receiver_status[host]["state"] = "down"
             writer.close()
             await writer.wait_closed()
         except Exception as e:
             print(f"Receiver {host}:{port} error: {e}")
-            receiver_status[host]["state"] = "down"
-            receiver_status[host]["error"] = str(e)
             await asyncio.sleep(reconnect_delay)
 
 
@@ -551,7 +473,6 @@ async def handle_receiver_location(request):
 async def handle_config(request):
     """Return client-relevant configuration (public, no secrets)."""
     return web.json_response({
-        "version": VERSION,
         "theme": config.get("theme", "desert"),
         "location": config["location"],
         "receivers": receivers,
@@ -1071,15 +992,10 @@ async def restart_receiver_connections():
     """Cancel existing receiver tasks and start new ones."""
     global receivers, receiver_tasks
 
-    # Cancel old tasks and let them unwind cleanly. Awaiting the cancelled
+    # Cancel old tasks
-    # tasks here (with return_exceptions) absorbs their CancelledError so it
+    for task in receiver_tasks:
-    # can never propagate into the main event loop.
-    old_tasks = list(receiver_tasks)
-    receiver_tasks.clear()
-    for task in old_tasks:
         task.cancel()
-    if old_tasks:
+    receiver_tasks.clear()
-        await asyncio.gather(*old_tasks, return_exceptions=True)
 
     # Determine receivers
     receiver_config = config["receivers"]
@@ -1099,9 +1015,6 @@ async def restart_receiver_connections():
         print(f"Error determining receivers: {e}")
         receivers = []
 
-    # Reset health tracking to the new receiver set.
-    reset_receiver_status(receivers)
-
     # Start new tasks
     for r in receivers:
         task = asyncio.create_task(connect_to_receiver(r, receiver_port))
@@ -1117,28 +1030,6 @@ async def handle_admin_restart_receivers(request):
     return web.json_response({"ok": True, "receivers": receivers})
 
 
-@require_auth
-async def handle_admin_receiver_status(request):
-    """GET /api/admin/receiver-status - Live health of configured receivers."""
-    statuses = [describe_receiver(ip) for ip in receivers]
-    return web.json_response({
-        "receivers": statuses,
-        "configured": config["receivers"],   # "AUTO" or a list of IPs
-        "count": len(receivers),
-    })
-
-
-@require_auth
-async def handle_admin_test_receivers(request):
-    """POST /api/admin/test-receivers - Actively probe each configured receiver
-    and report reachability combined with live data-flow state."""
-    port = config["receiver_port"]
-    probes = await asyncio.gather(*[test_port(ip, port) for ip in receivers])
-    statuses = [describe_receiver(ip, reachable=reachable)
-                for ip, reachable in zip(receivers, probes)]
-    return web.json_response({"receivers": statuses, "count": len(receivers)})
-
-
 # ---------------------------------------------------------------------------
 # Static file serving with setup redirect
 # ---------------------------------------------------------------------------
@@ -1212,8 +1103,6 @@ async def start_http_server():
     app.router.add_get('/api/admin/network-info', handle_admin_network_info)
     app.router.add_post('/api/admin/scan-receivers', handle_admin_scan_receivers)
     app.router.add_post('/api/admin/restart-receivers', handle_admin_restart_receivers)
-    app.router.add_get('/api/admin/receiver-status', handle_admin_receiver_status)
-    app.router.add_post('/api/admin/test-receivers', handle_admin_test_receivers)
     app.router.add_get('/api/admin/sprites', handle_admin_sprites)
     app.router.add_post('/api/admin/sprites/{type}', handle_admin_sprite_upload)
 
@@ -1234,7 +1123,7 @@ async def main():
     """Main entry point"""
     global receivers, receiver_tasks
 
-    print(f"ADS-Bit Server v{VERSION} Starting...")
+    print("ADS-Bit Server Starting...")
 
     load_config()
 
@@ -1259,8 +1148,6 @@ async def main():
     else:
         print(f"Using {len(receivers)} receiver(s)")
 
-    reset_receiver_status(receivers)
-
     # Start all tasks
     tasks = [
         start_http_server(),
@@ -1269,15 +1156,12 @@ async def main():
         poll_aircraft_json(),
     ]
 
-    # Connect to all receivers. These run as independent background tasks and
+    # Connect to all receivers
-    # are deliberately NOT awaited in the gather below: restarting receivers
-    # cancels them, and a cancelled task inside the main gather would tear down
-    # the whole server. They still run as long as the event loop is alive.
     for receiver in receivers:
         task = asyncio.ensure_future(connect_to_receiver(receiver, receiver_port))
         receiver_tasks.append(task)
+        tasks.append(task)
 
-    # Only the core services keep the server alive.
     await asyncio.gather(*tasks)