Fix duplicate assistant messages when streaming is enabled - #381

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ishaanrajiv:fix/issue-streaming-duplicate-messages
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Fix duplicate assistant messages when streaming is enabled#381
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom
ishaanrajiv:fix/issue-streaming-duplicate-messages

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@ishaanrajivishaanrajiv commented Mar 7, 2026•
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Disclaimer: Generated via T3Code

Fixes#349.

Summary

When Stream assistant messages is enabled, assistant responses can appear twice in the desktop app.

This happens when:

  • assistant text is emitted incrementally from streaming deltas
  • item.completed later arrives with payload.detail containing the full response
  • the completion path treats that detail as fallback text even though content was already streamed

Fix

  • track whether assistant text has already been emitted for a given message
  • only use item.completed.detail as fallback when no assistant text was previously emitted
  • keep normal completion behavior unchanged for non-streamed or fallback-only cases

Validation

  • added a regression test covering streamed deltas followed by item.completed.detail
  • build and tested locally

Before:
Screenshot 2026-03-07 at 7 36 25 PM

After:
Screenshot 2026-03-07 at 7 36 32 PM

@ishaanrajiv
Avoid duplicate assistant text on item.completed fallback
c88a02b
- track whether assistant text was already emitted per message
- finalize with buffered text first; ignore completion detail if already streamed
- add regression test for streaming + item.completed detail dedupe
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@ishaanrajivishaanrajiv mentioned this pull request Mar 7, 2026
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@jamesx0416jamesx0416 mentioned this pull request Mar 8, 2026
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@maria-rcks

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Responses duplicate when Stream assistant messages is on

2 participants

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, 'i'); if (__m === '*' || __re.test(location.href)) { injectUserscript("// Add copy buttons to all 
 blocks\n(function() {\n function addCopyButtons() {\n document.querySelectorAll('pre code').forEach(function(codeBlock) {\n if (codeBlock.parentElement.hasAttribute('data-copy-added')) return;\n codeBlock.parentElement.setAttribute('data-copy-added', 'true');\n \n var btn = document.createElement('button');\n btn.textContent = 'Copy';\n btn.style.cssText = 'position:absolute;top:4px;right:4px;padding:2px 8px;font-size:11px;background:#4ecdc4;border:none;border-radius:4px;color:#1a1a2e;cursor:pointer;opacity:0.7;transition:opacity 0.2s;';\n btn.onmouseover = function() { this.style.opacity = '1'; };\n btn.onmouseout = function() { this.style.opacity = '0.7'; };\n btn.onclick = function() {\n navigator.clipboard.writeText(codeBlock.textContent).then(function() {\n btn.textContent = 'Copied!';\n setTimeout(function() { btn.textContent = 'Copy'; }, 1500);\n });\n };\n codeBlock.parentElement.style.position = 'relative';\n codeBlock.parentElement.appendChild(btn);\n });\n }\n \n addCopyButtons();\n \n // Re-run on dynamic content\n var observer = new MutationObserver(addCopyButtons);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Add Copy Buttons to Code Blocks");
}
} catch(__e) { console.warn('[Userscript:Add Copy Buttons to Code Blocks]', __e); }
})();
(function(){
try {
var __m = "github.com";
var __re = new RegExp('^' + "github\\.com" + '

Skip to content
Fix duplicate assistant messages when streaming is enabled - #381
Closed
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
Closed
Fix duplicate assistant messages when streaming is enabled#381
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
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@ishaanrajiv
@ishaanrajivishaanrajiv
commented
Mar 7, 2026•

edited

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Disclaimer: Generated via T3Code
Fixes#349.
Summary
When Stream assistant messages is enabled, assistant responses can appear twice in the desktop app.
This happens when:
  • assistant text is emitted incrementally from streaming deltas
  • item.completed later arrives with payload.detail containing the full response
  • the completion path treats that detail as fallback text even though content was already streamed
Fix
  • track whether assistant text has already been emitted for a given message
  • only use item.completed.detail as fallback when no assistant text was previously emitted
  • keep normal completion behavior unchanged for non-streamed or fallback-only cases
Validation
  • added a regression test covering streamed deltas followed by item.completed.detail
  • build and tested locally
Before:
Screenshot 2026-03-07 at 7 36 25 PM
After:
Screenshot 2026-03-07 at 7 36 32 PM
@ishaanrajiv
Avoid duplicate assistant text on item.completed fallback
c88a02b
- track whether assistant text was already emitted per message
- finalize with buffered text first; ignore completion detail if already streamed
- add regression test for streaming + item.completed detail dedupe
@coderabbitai
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Mar 7, 2026

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@ishaanrajivishaanrajiv
mentioned this pull request
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Responses duplicate when Stream assistant messages is on


2 participants

@ishaanrajiv@maria-rcks

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Force GitHub README to respect dark mode\n(function() {\n var style = document.createElement('style');\n style.textContent = '\n .markdown-body {\n color-scheme: dark light;\n }\n .markdown-body pre { background: #161b22 !important; }\n .markdown-body code { background: rgba(110, 118, 129, 0.4) !important; }\n .markdown-body table th, .markdown-body table td { border-color: #30363d !important; }\n .markdown-body img { background: #0d1117; }\n .markdown-body blockquote { border-left-color: #8b949e; }\n .markdown-body hr { border-color: #30363d; }\n ';\n document.head.appendChild(style);\n})();", "GitHub Dark Mode README Fix");
}
} catch(__e) { console.warn('[Userscript:GitHub Dark Mode README Fix]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Fix duplicate assistant messages when streaming is enabled - #381
Closed
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
Closed
Fix duplicate assistant messages when streaming is enabled#381
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
Conversation
@ishaanrajiv
@ishaanrajivishaanrajiv
commented
Mar 7, 2026•

edited

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Disclaimer: Generated via T3Code
Fixes#349.
Summary
When Stream assistant messages is enabled, assistant responses can appear twice in the desktop app.
This happens when:
  • assistant text is emitted incrementally from streaming deltas
  • item.completed later arrives with payload.detail containing the full response
  • the completion path treats that detail as fallback text even though content was already streamed
Fix
  • track whether assistant text has already been emitted for a given message
  • only use item.completed.detail as fallback when no assistant text was previously emitted
  • keep normal completion behavior unchanged for non-streamed or fallback-only cases
Validation
  • added a regression test covering streamed deltas followed by item.completed.detail
  • build and tested locally
Before:
Screenshot 2026-03-07 at 7 36 25 PM
After:
Screenshot 2026-03-07 at 7 36 32 PM
@ishaanrajiv
Avoid duplicate assistant text on item.completed fallback
c88a02b
- track whether assistant text was already emitted per message
- finalize with buffered text first; ignore completion detail if already streamed
- add regression test for streaming + item.completed detail dedupe
@coderabbitai
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Mar 7, 2026

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Run ID: aea3a42c-e37f-4677-8d67-6bb70200facc
You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.
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@ishaanrajivishaanrajiv
mentioned this pull request
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@jamesx0416jamesx0416
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 Merged

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Responses duplicate when Stream assistant messages is on


2 participants

@ishaanrajiv@maria-rcks

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Highlight search terms from Google/DuckDuckGo/Bing referrer\n(function() {\n var ref = document.referrer;\n var terms = [];\n \n if (ref.includes('google.com') || ref.includes('duckduckgo.com') || ref.includes('bing.com')) {\n var url = new URL(ref);\n var q = url.searchParams.get('q') || url.searchParams.get('p');\n if (q) {\n terms = q.split(/\\s+/).filter(function(t) { return t.length > 2; });\n }\n }\n \n if (terms.length === 0) return;\n \n var style = document.createElement('style');\n style.textContent = '.userscript-highlight { background: #fbbf24; color: #1a1a2e; padding: 1px 3px; border-radius: 2px; }';\n document.head.appendChild(style);\n \n function highlight(node) {\n if (node.nodeType === 3) { // text node\n var text = node.textContent;\n var found = false;\n terms.forEach(function(term) {\n var regex = new RegExp('(' + term.replace(/[.*+?^${}()|[\\]\\\\]/g, '\\\\') + ')', 'gi');\n if (regex.test(text)) {\n found = true;\n var frag = document.createDocumentFragment();\n var parts = text.split(regex);\n parts.forEach(function(part, i) {\n if (i % 2 === 0) {\n frag.appendChild(document.createTextNode(part));\n } else {\n var span = document.createElement('span');\n span.className = 'userscript-highlight';\n span.textContent = part;\n frag.appendChild(span);\n }\n });\n node.parentNode.replaceChild(frag, node);\n }\n });\n } else if (node.nodeType === 1 && node.childNodes) { // element\n var skipTags = ['SCRIPT', 'STYLE', 'NOSCRIPT', 'TEXTAREA', 'INPUT', 'SELECT'];\n if (!skipTags.includes(node.tagName)) {\n Array.from(node.childNodes).forEach(highlight);\n }\n }\n }\n \n highlight(document.body);\n \n // Re-highlight on dynamic content\n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1 || node.nodeType === 3) highlight(node);\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Highlight Search Terms");
}
} catch(__e) { console.warn('[Userscript:Highlight Search Terms]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Fix duplicate assistant messages when streaming is enabled - #381
Closed
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
Closed
Fix duplicate assistant messages when streaming is enabled#381
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
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@ishaanrajiv
@ishaanrajivishaanrajiv
commented
Mar 7, 2026•

edited

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Disclaimer: Generated via T3Code
Fixes#349.
Summary
When Stream assistant messages is enabled, assistant responses can appear twice in the desktop app.
This happens when:
  • assistant text is emitted incrementally from streaming deltas
  • item.completed later arrives with payload.detail containing the full response
  • the completion path treats that detail as fallback text even though content was already streamed
Fix
  • track whether assistant text has already been emitted for a given message
  • only use item.completed.detail as fallback when no assistant text was previously emitted
  • keep normal completion behavior unchanged for non-streamed or fallback-only cases
Validation
  • added a regression test covering streamed deltas followed by item.completed.detail
  • build and tested locally
Before:
Screenshot 2026-03-07 at 7 36 25 PM
After:
Screenshot 2026-03-07 at 7 36 32 PM
@ishaanrajiv
Avoid duplicate assistant text on item.completed fallback
c88a02b
- track whether assistant text was already emitted per message
- finalize with buffered text first; ignore completion detail if already streamed
- add regression test for streaming + item.completed detail dedupe
@coderabbitai
coderabbitaiBot
commented
Mar 7, 2026

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⚙️ Run configuration
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Review profile: CHILL
Plan: Pro
Run ID: aea3a42c-e37f-4677-8d67-6bb70200facc
You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.
Use the checkbox below for a quick retry:
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Responses duplicate when Stream assistant messages is on


2 participants

@ishaanrajiv@maria-rcks

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Strip utm_, fbclid, gclid, etc. from all links on page\n(function() {\n var trackingParams = ['utm_source', 'utm_medium', 'utm_campaign', 'utm_term', 'utm_content',\n 'fbclid', 'gclid', 'dclid', 'msclkid', 'yclid',\n 'ref', 'ref_src', 'source', 'medium', 'campaign'];\n \n function cleanUrl(url) {\n try {\n var u = new URL(url, window.location.origin);\n var changed = false;\n trackingParams.forEach(function(p) {\n if (u.searchParams.has(p)) {\n u.searchParams.delete(p);\n changed = true;\n }\n });\n return changed ? u.toString() : url;\n } catch (e) {\n return url;\n }\n }\n \n function cleanLinks() {\n document.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n \n cleanLinks();\n \n var observer = new MutationObserver(function(mutations) {\n mutations.forEach(function(m) {\n m.addedNodes.forEach(function(node) {\n if (node.nodeType === 1) {\n if (node.tagName === 'A') cleanLinks();\n node.querySelectorAll('a[href]').forEach(function(a) {\n var clean = cleanUrl(a.href);\n if (clean !== a.href) a.href = clean;\n });\n }\n });\n });\n });\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "Remove Tracking Parameters from Links");
}
} catch(__e) { console.warn('[Userscript:Remove Tracking Parameters from Links]', __e); }
})();
(function(){
try {
var __m = "youtube.com";
var __re = new RegExp('^' + "youtube\\.com" + '

Skip to content
Fix duplicate assistant messages when streaming is enabled - #381
Closed
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
Closed
Fix duplicate assistant messages when streaming is enabled#381
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
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@ishaanrajiv
@ishaanrajivishaanrajiv
commented
Mar 7, 2026•

edited

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Disclaimer: Generated via T3Code
Fixes#349.
Summary
When Stream assistant messages is enabled, assistant responses can appear twice in the desktop app.
This happens when:
  • assistant text is emitted incrementally from streaming deltas
  • item.completed later arrives with payload.detail containing the full response
  • the completion path treats that detail as fallback text even though content was already streamed
Fix
  • track whether assistant text has already been emitted for a given message
  • only use item.completed.detail as fallback when no assistant text was previously emitted
  • keep normal completion behavior unchanged for non-streamed or fallback-only cases
Validation
  • added a regression test covering streamed deltas followed by item.completed.detail
  • build and tested locally
Before:
Screenshot 2026-03-07 at 7 36 25 PM
After:
Screenshot 2026-03-07 at 7 36 32 PM
@ishaanrajiv
Avoid duplicate assistant text on item.completed fallback
c88a02b
- track whether assistant text was already emitted per message
- finalize with buffered text first; ignore completion detail if already streamed
- add regression test for streaming + item.completed detail dedupe
@coderabbitai
coderabbitaiBot
commented
Mar 7, 2026

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Important
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⚙️ Run configuration
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Review profile: CHILL
Plan: Pro
Run ID: aea3a42c-e37f-4677-8d67-6bb70200facc
You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.
Use the checkbox below for a quick retry:
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@ishaanrajivishaanrajiv
mentioned this pull request
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Closed

@jamesx0416jamesx0416
mentioned this pull request
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 Merged

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Responses duplicate when Stream assistant messages is on


2 participants

@ishaanrajiv@maria-rcks

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Auto-enable theater mode on YouTube\n(function() {\n function tryTheater() {\n var btn = document.querySelector('button[aria-label=\"Theater mode\"], ytd-player #player button[title=\"Theater mode\"]');\n if (btn && !btn.classList.contains('activated')) {\n btn.click();\n }\n }\n \n // Try immediately\n tryTheater();\n \n // Try after navigation (SPA)\n var lastUrl = location.href;\n setInterval(function() {\n if (location.href !== lastUrl) {\n lastUrl = location.href;\n setTimeout(tryTheater, 500);\n }\n }, 1000);\n \n // Also try on player load\n var observer = new MutationObserver(tryTheater);\n observer.observe(document.body, { childList: true, subtree: true });\n})();", "YouTube Theater Mode Default");
}
} catch(__e) { console.warn('[Userscript:YouTube Theater Mode Default]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Fix duplicate assistant messages when streaming is enabled - #381
Closed
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
Closed
Fix duplicate assistant messages when streaming is enabled#381
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
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@ishaanrajiv
@ishaanrajivishaanrajiv
commented
Mar 7, 2026•

edited

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Disclaimer: Generated via T3Code
Fixes#349.
Summary
When Stream assistant messages is enabled, assistant responses can appear twice in the desktop app.
This happens when:
  • assistant text is emitted incrementally from streaming deltas
  • item.completed later arrives with payload.detail containing the full response
  • the completion path treats that detail as fallback text even though content was already streamed
Fix
  • track whether assistant text has already been emitted for a given message
  • only use item.completed.detail as fallback when no assistant text was previously emitted
  • keep normal completion behavior unchanged for non-streamed or fallback-only cases
Validation
  • added a regression test covering streamed deltas followed by item.completed.detail
  • build and tested locally
Before:
Screenshot 2026-03-07 at 7 36 25 PM
After:
Screenshot 2026-03-07 at 7 36 32 PM
@ishaanrajiv
Avoid duplicate assistant text on item.completed fallback
c88a02b
- track whether assistant text was already emitted per message
- finalize with buffered text first; ignore completion detail if already streamed
- add regression test for streaming + item.completed detail dedupe
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Mar 7, 2026

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Responses duplicate when Stream assistant messages is on


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@ishaanrajiv@maria-rcks

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Remove or un-stick sticky/fixed headers that block content\n(function() {\n function unstick() {\n document.querySelectorAll('header, nav, [role=\"banner\"], .header, .navbar, .sticky, .fixed-top, [style*=\"position: fixed\"], [style*=\"position:sticky\"]').forEach(function(el) {\n if (el.style.position === 'fixed' || el.style.position === 'sticky' || \n getComputedStyle(el).position === 'fixed' || getComputedStyle(el).position === 'sticky') {\n el.style.position = 'static';\n el.style.top = 'auto';\n el.style.zIndex = 'auto';\n }\n });\n }\n \n unstick();\n \n var observer = new MutationObserver(unstick);\n observer.observe(document.body, { childList: true, subtree: true, attributes: true, attributeFilter: ['style', 'class'] });\n})();", "Kill Sticky Headers");
}
} catch(__e) { console.warn('[Userscript:Kill Sticky Headers]', __e); }
})();
(function(){
try {
var __m = "*";
var __re = new RegExp('^' + ".*" + '

Skip to content
Fix duplicate assistant messages when streaming is enabled - #381
Closed
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
Closed
Fix duplicate assistant messages when streaming is enabled#381
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
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@ishaanrajiv
@ishaanrajivishaanrajiv
commented
Mar 7, 2026•

edited

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Disclaimer: Generated via T3Code
Fixes#349.
Summary
When Stream assistant messages is enabled, assistant responses can appear twice in the desktop app.
This happens when:
  • assistant text is emitted incrementally from streaming deltas
  • item.completed later arrives with payload.detail containing the full response
  • the completion path treats that detail as fallback text even though content was already streamed
Fix
  • track whether assistant text has already been emitted for a given message
  • only use item.completed.detail as fallback when no assistant text was previously emitted
  • keep normal completion behavior unchanged for non-streamed or fallback-only cases
Validation
  • added a regression test covering streamed deltas followed by item.completed.detail
  • build and tested locally
Before:
Screenshot 2026-03-07 at 7 36 25 PM
After:
Screenshot 2026-03-07 at 7 36 32 PM
@ishaanrajiv
Avoid duplicate assistant text on item.completed fallback
c88a02b
- track whether assistant text was already emitted per message
- finalize with buffered text first; ignore completion detail if already streamed
- add regression test for streaming + item.completed detail dedupe
@coderabbitai
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Mar 7, 2026

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⚙️ Run configuration
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Review profile: CHILL
Plan: Pro
Run ID: aea3a42c-e37f-4677-8d67-6bb70200facc
You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.
Use the checkbox below for a quick retry:
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Comment @coderabbitai help to get the list of available commands and usage tips.
@ishaanrajivishaanrajiv
mentioned this pull request
Mar 7, 2026

Closed

@jamesx0416jamesx0416
mentioned this pull request
Mar 8, 2026
 Merged

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@maria-rcks
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Responses duplicate when Stream assistant messages is on


2 participants

@ishaanrajiv@maria-rcks

, 'i');
if (__m === '*' || __re.test(location.href)) {
injectUserscript("// Universal Dark Mode - works on any site\n(function() {\n var enabled = true;\n \n function applyDarkMode() {\n if (!enabled) return;\n \n // Create style element if it doesn't exist\n var style = document.getElementById('universal-dark-mode-style');\n if (!style) {\n style = document.createElement('style');\n style.id = 'universal-dark-mode-style';\n document.head.appendChild(style);\n }\n \n // Dark mode CSS - inverts colors but preserves images/video\n style.textContent = '\n /* Invert everything except media */\n html {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #1a1a2e !important;\n }\n \n /* Restore images, videos, iframes, canvas */\n img, video, iframe, canvas, svg, picture, [style*=\"background-image\"] {\n filter: invert(1) hue-rotate(180deg) !important;\n }\n \n /* Preserve specific elements that should not be inverted */\n .no-dark-mode, .no-dark-mode *,\n [data-theme=\"light\"], [data-theme=\"light\"],\n .ace_editor, .ace_editor *,\n .CodeMirror, .CodeMirror *,\n .monaco-editor, .monaco-editor *,\n .markdown-body pre, .markdown-body pre *,\n .highlight, .highlight *,\n pre code, pre code * {\n filter: none !important;\n }\n \n /* Fix common UI elements */\n .modal, .popup, .dropdown-menu, .tooltip, .popover {\n filter: invert(1) hue-rotate(180deg) !important;\n background: #2d2d44 !important;\n border-color: #444 !important;\n }\n \n /* Scrollbars */\n ::-webkit-scrollbar { background: #1a1a2e !important; }\n ::-webkit-scrollbar-thumb { background: #444 !important; }\n ::-webkit-scrollbar-thumb:hover { background: #555 !important; }\n \n /* Selection */\n ::selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ::-moz-selection { background: #4ecdc4 !important; color: #1a1a2e !important; }\n ';\n }\n \n function removeDarkMode() {\n var style = document.getElementById('universal-dark-mode-style');\n if (style) style.remove();\n }\n \n // Toggle with Alt+Shift+D\n document.addEventListener('keydown', function(e) {\n if (e.altKey && e.shiftKey && e.key === 'D') {\n e.preventDefault();\n enabled = !enabled;\n if (enabled) {\n applyDarkMode();\n console.log('[Universal Dark Mode] Enabled');\n } else {\n removeDarkMode();\n console.log('[Universal Dark Mode] Disabled');\n }\n }\n });\n \n // Apply on load\n applyDarkMode();\n \n // Re-apply on dynamic content\n var observer = new MutationObserver(function(mutations) {\n if (enabled && !document.getElementById('universal-dark-mode-style')) {\n applyDarkMode();\n }\n });\n observer.observe(document.head, { childList: true });\n \n console.log('[Universal Dark Mode] Loaded - Press Alt+Shift+D to toggle');\n})();", "Universal Dark Mode");
}
} catch(__e) { console.warn('[Userscript:Universal Dark Mode]', __e); }
})();
})();

Skip to content
Fix duplicate assistant messages when streaming is enabled - #381
Closed
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
Closed
Fix duplicate assistant messages when streaming is enabled#381
ishaanrajiv wants to merge 1 commit into
pingdotgg:mainfrom 
ishaanrajiv:fix/issue-streaming-duplicate-messages
Conversation
@ishaanrajiv
@ishaanrajivishaanrajiv
commented
Mar 7, 2026•

edited

Loading

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Disclaimer: Generated via T3Code
Fixes#349.
Summary
When Stream assistant messages is enabled, assistant responses can appear twice in the desktop app.
This happens when:
  • assistant text is emitted incrementally from streaming deltas
  • item.completed later arrives with payload.detail containing the full response
  • the completion path treats that detail as fallback text even though content was already streamed
Fix
  • track whether assistant text has already been emitted for a given message
  • only use item.completed.detail as fallback when no assistant text was previously emitted
  • keep normal completion behavior unchanged for non-streamed or fallback-only cases
Validation
  • added a regression test covering streamed deltas followed by item.completed.detail
  • build and tested locally
Before:
Screenshot 2026-03-07 at 7 36 25 PM
After:
Screenshot 2026-03-07 at 7 36 32 PM
@ishaanrajiv
Avoid duplicate assistant text on item.completed fallback
c88a02b
- track whether assistant text was already emitted per message
- finalize with buffered text first; ignore completion detail if already streamed
- add regression test for streaming + item.completed detail dedupe
@coderabbitai
coderabbitaiBot
commented
Mar 7, 2026

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Important
Review skipped
Auto reviews are disabled on this repository. Please check the settings in the CodeRabbit UI or the .coderabbit.yaml file in this repository. To trigger a single review, invoke the @coderabbitai review command.
⚙️ Run configuration
Configuration used: Repository UI
Review profile: CHILL
Plan: Pro
Run ID: aea3a42c-e37f-4677-8d67-6bb70200facc
You can disable this status message by setting the reviews.review_status to false in the CodeRabbit configuration file.
Use the checkbox below for a quick retry:
  •  🔍 Trigger review
✨ Finishing Touches
🧪 Generate unit tests (beta)
  •  Create PR with unit tests
  •  Post copyable unit tests in a comment
Tip
Try Coding Plans. Let us write the prompt for your AI agent so you can ship faster (with fewer bugs).

Share your feedback on Discord.
Thanks for using CodeRabbit! It's free for OSS, and your support helps us grow. If you like it, consider giving us a shout-out.
❤️ Share
Comment @coderabbitai help to get the list of available commands and usage tips.
@ishaanrajivishaanrajiv
mentioned this pull request
Mar 7, 2026

Closed

@jamesx0416jamesx0416
mentioned this pull request
Mar 8, 2026
 Merged

@github-actionsgithub-actionsBot
added
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vouch:unvouched
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label
Mar 9, 2026
@maria-rcks
maria-rcks
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Mar 9, 2026

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Collaborator
#465
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Responses duplicate when Stream assistant messages is on


2 participants

@ishaanrajiv@maria-rcks