From 2bb155a9e4a3ed52365e36af8c2bbb4e65010ef8 Mon Sep 17 00:00:00 2001
From: timmy <timmy@stackchain.ai>
Date: Sun, 16 Aug 2026 03:56:50 +0000
Subject: [PATCH] fix: deduplicate cumulative voice results (Closes #935)

---
 frontend/voice-issue-capture.js   |  1 +
 tests/test_voice_issue_capture.py | 11 ++++++++---
 2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/frontend/voice-issue-capture.js b/frontend/voice-issue-capture.js
index b58d67a..462cd07 100644
--- a/frontend/voice-issue-capture.js
+++ b/frontend/voice-issue-capture.js
@@ -43,6 +43,7 @@ function createVoiceIssueCapture({
     recognition.interimResults = false;
     recognition.onresult = event => {
       const finalText = Array.from(event.results || [])
+        .slice(event.resultIndex ?? 0)
         .filter(result => result.isFinal)
         .map(result => result[0]?.transcript || '').join(' ').replace(/\s+/g, ' ').trim();
       if (finalText) {
diff --git a/tests/test_voice_issue_capture.py b/tests/test_voice_issue_capture.py
index 568d8f4..bf0e35e 100644
--- a/tests/test_voice_issue_capture.py
+++ b/tests/test_voice_issue_capture.py
@@ -157,7 +157,7 @@ const loads=[];
     }
 
 
-def test_multiple_final_segments_accumulate_in_one_bounded_checkpoint():
+def test_cumulative_recognition_events_append_each_new_final_segment_once():
     script = f"""
 const {{createVoiceIssueCapture}} = require({json.dumps(str(VOICE_CAPTURE))});
 class Element {{
@@ -165,6 +165,7 @@ class Element {{
   addEventListener(name, callback) {{ this.listeners[name]=callback; }}
   click() {{ this.listeners.click?.(); }} dispatchEvent() {{}}
 }}
+const result=(transcript,isFinal)=>Object.assign([{{transcript}}],{{isFinal}});
 let recognition;
 class Recognition {{ constructor() {{ recognition=this; }} start() {{}} stop() {{}} abort() {{}} }}
 const elements=Object.fromEntries(
@@ -176,8 +177,12 @@ const saved=[];
     async load() {{ return ''; }}, async save(login,text) {{ saved.push(text); }}, async clear() {{}},
   }}}});
   await controller.ready; elements.start.click();
-  recognition.onresult({{results:[Object.assign([{{transcript:'Lift outage.'}}],{{isFinal:true}})]}});
-  recognition.onresult({{results:[Object.assign([{{transcript:'Elevator B is trapped.'}}],{{isFinal:true}})]}});
+  const first=result('Lift outage.',true);
+  recognition.onresult({{resultIndex:0,results:[first]}});
+  recognition.onresult({{
+    resultIndex:1,
+    results:[first,result('Elevator B',false),result('Elevator B is trapped.',true)],
+  }});
   await Promise.resolve();
   process.stdout.write(JSON.stringify({{transcript:elements.transcript.value,saved}}));
 }})().catch(error=>{{console.error(error);process.exit(1);}});
-- 
2.43.0