From d8939199f129ccb1abcf0150012bc23209facf12 Mon Sep 17 00:00:00 2001
From: Peter Stone <thepeterstone@gmail.com>
Date: Sun, 22 Mar 2026 09:13:51 +0000
Subject: feat: color logo based on build version hash

Adds GET /api/version endpoint and uses the first 6 hex chars of the
commit hash to derive an HSL hue for the header h1 logo color.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
---
 web/app.js | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'web/app.js')

diff --git a/web/app.js b/web/app.js
index d26d051..1e10ad3 100644
--- a/web/app.js
+++ b/web/app.js
@@ -3097,6 +3097,23 @@ function switchTab(name) {
   poll();
 }
 
+// ── Version color ─────────────────────────────────────────────────────────────
+
+async function applyVersionColor() {
+  try {
+    const res = await fetch(`${BASE_PATH}/api/version`);
+    if (!res.ok) return;
+    const { version } = await res.json();
+    // Use first 6 hex chars of version as hue seed (works for commit hashes and "dev")
+    const hex = version.replace(/[^0-9a-f]/gi, '').slice(0, 6).padEnd(6, '0');
+    const hue = Math.round((parseInt(hex, 16) / 0xffffff) * 360);
+    const h1 = document.querySelector('header h1');
+    if (h1) h1.style.color = `hsl(${hue}, 70%, 55%)`;
+  } catch {
+    // non-fatal — logo stays default color
+  }
+}
+
 // ── Boot ──────────────────────────────────────────────────────────────────────
 
 if (typeof document !== 'undefined') {
@@ -3105,6 +3122,7 @@ if (typeof document !== 'undefined') {
       handleStartNextTask(this);
     });
 
+    applyVersionColor();
     switchTab(getActiveMainTab());
     startPolling();
     connectWebSocket();
-- 
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