From f8d66f86c534920565cd9ef7496f53f0794d01ed Mon Sep 17 00:00:00 2001
From: Claude <noreply@anthropic.com>
Date: Fri, 26 Jun 2026 00:30:19 +0000
Subject: [PATCH] Auto-start timer on creator Start, rename stopwatch CTA to
 "Open"
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Timer: clicking "Start ↗" in the creator now navigates to the seeded
timer URL AND begins the countdown in one click, instead of requiring a
second Start press on the seeded page. An in-memory autoStart flag is set
on the creator's launch and consumed in showTimer(), so the shared URL
stays clean (#d=&n=&e=) and recipients of a shared link still see a
normal "Start" button.

Stopwatch: the creator CTA is retitled "Open ↗" (was "Start ↗") since it
opens the stopwatch view rather than starting timing.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013F9wPi5MPdpb3ovVf2TTuF
---
 stopwatch/index.html |  2 +-
 timer/index.html     | 12 +++++++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/stopwatch/index.html b/stopwatch/index.html
index 69af802..c8b423e 100644
--- a/stopwatch/index.html
+++ b/stopwatch/index.html
@@ -472,7 +472,7 @@
 
     <div class="btn-row">
       <button class="btn-primary" id="btn-create">Copy Share Link</button>
-      <button class="btn-secondary" id="btn-fullscreen">Start ↗</button>
+      <button class="btn-secondary" id="btn-fullscreen">Open ↗</button>
     </div>
 
     <footer class="footer">
diff --git a/timer/index.html b/timer/index.html
index 071a31c..1e6a58d 100644
--- a/timer/index.html
+++ b/timer/index.html
@@ -670,6 +670,7 @@ <h1 class="event-name" id="tm-name"></h1>
   let finished = false;
   let tickInterval = null;
   let confettiActive = false;
+  let autoStart = false;  // when the creator hits Start ↗, run the timer on arrival
 
   const $ = (s) => document.querySelector(s);
   const creator = $('#creator');
@@ -808,7 +809,10 @@ <h1 class="event-name" id="tm-name"></h1>
     btnCreate.addEventListener('click', copyShareLink);
     btnFullscreen.addEventListener('click', () => {
       const url = buildShareURL();
-      if (url) window.location.hash = url.split('#')[1];
+      if (url) {
+        autoStart = true;
+        window.location.hash = url.split('#')[1];
+      }
     });
     btnToggle.addEventListener('click', onToggle);
     btnReset.addEventListener('click', onReset);
@@ -932,6 +936,12 @@ <h1 class="event-name" id="tm-name"></h1>
     btnToggle.textContent = 'Start';
     btnReset.disabled = true;
     renderTimer();
+
+    // Creator hit "Start ↗" — launch the running timer in one click.
+    if (autoStart) {
+      autoStart = false;
+      onToggle();
+    }
   }
 
   function renderTimer() {