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+# Code Request — Trinity Console PWA Phase 1
+
+**Filed by:** Chronicler #88
+**Date:** 2026-04-14
+**Priority:** Medium
+**Task DB:** task_number 117
+
+---
+
+## What To Build
+
+Make Trinity Console installable as a Progressive Web App. Phase 1 only —
+foundation that enables "Add to Home Screen" on Android and iOS.
+
+---
+
+## Files To Create
+
+### 1. `src/public/manifest.json`
+
+```json
+{
+ "name": "Trinity Console",
+ "short_name": "Trinity",
+ "description": "Firefrost Gaming Operations Console",
+ "start_url": "/admin",
+ "display": "standalone",
+ "background_color": "#1a1a1a",
+ "theme_color": "#06b6d4",
+ "orientation": "portrait-primary",
+ "icons": [
+ {
+ "src": "/images/trinity-icon-192.png",
+ "sizes": "192x192",
+ "type": "image/png",
+ "purpose": "any maskable"
+ },
+ {
+ "src": "/images/trinity-icon-512.png",
+ "sizes": "512x512",
+ "type": "image/png",
+ "purpose": "any maskable"
+ }
+ ]
+}
+```
+
+### 2. `src/public/sw.js` (Service Worker)
+
+Cache static assets only. Never cache admin API responses or HTMX partials.
+
+```javascript
+const CACHE_NAME = 'trinity-console-v1';
+const STATIC_ASSETS = [
+ '/css/app.css',
+ '/manifest.json'
+];
+
+self.addEventListener('install', event => {
+ event.waitUntil(
+ caches.open(CACHE_NAME).then(cache => cache.addAll(STATIC_ASSETS))
+ );
+});
+
+self.addEventListener('fetch', event => {
+ // Only cache GET requests for static assets
+ if (event.request.method !== 'GET') return;
+ if (event.request.url.includes('/admin/')) return; // Never cache admin routes
+
+ event.respondWith(
+ caches.match(event.request).then(cached => cached || fetch(event.request))
+ );
+});
+```
+
+### 3. Icon placeholders
+
+Create simple placeholder PNGs at:
+- `src/public/images/trinity-icon-192.png`
+- `src/public/images/trinity-icon-512.png`
+
+Use the cyan (#06b6d4) Firefrost color with a simple ❄️ or "T" — we'll replace
+with proper branding later.
+
+---
+
+## Files To Modify
+
+### `src/views/layout.ejs` — Add to ``:
+
+```html
+
+
+
+
+
+
+
+
+
+
+```
+
+Make sure ``
+exists in the head (add if missing).
+
+---
+
+## Notes
+
+- Phase 2 (mobile layout) and Phase 3 (push notifications) are separate tasks
+- Icons are placeholders — proper branding assets come later
+- The service worker should be conservative — cache as little as possible to
+ avoid stale admin data
+- Test by opening Trinity Console in Chrome mobile → three-dot menu →
+ "Add to Home Screen"
+
+---
+
+**Fire + Frost + Foundation** 💙🔥❄️