bug: duplicate header on entrypoint #895

Closed
#1365
#955
Closed
bug: duplicate header on entrypoint#895
#1365
#955
Labels
bugSomething isn't working

Description

@Hweinstock
Hweinstock
opened on Apr 21, 2026

Description


AgentCore Deploy
AgentCore Deploy
Project: {projectName}
Target: us-west-2:{accountId}
[done] Validate project
[done] Check dependencies
[done] Build CDK project
[done] Synthesize CloudFormation
[done] Check stack status
[done] Publish assets

Steps to Reproduce

agentcore deploy.

Expected Behavior

Only a single header.

Actual Behavior

two headers

CLI Version

No response

Operating System

macOS

Additional Context

No response

Metadata

Metadata

Assignees

No one assigned

    Labels

    bugSomething isn't working

    Type

    No type

    Projects

    No projects

      Milestone

      No milestone

      Relationships

      None yet

      Development

      No branches or pull requests

      Issue actions

      , '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
      bug: duplicate header on entrypoint #895
      Closed
      #1365
      #955
      Closed
      bug: duplicate header on entrypoint#895
      #1365
      #955
      Labels
      bugSomething isn't working
      Description
      @Hweinstock
      Hweinstock
      opened on Apr 21, 2026
      Description
      
AgentCore Deploy
AgentCore Deploy
Project: {projectName}
Target: us-west-2:{accountId}
[done] Validate project
[done] Check dependencies
[done] Build CDK project
[done] Synthesize CloudFormation
[done] Check stack status
[done] Publish assets

      Steps to Reproduce
      agentcore deploy.
      Expected Behavior
      Only a single header.
      Actual Behavior
      two headers
      CLI Version
      No response
      Operating System
      macOS
      Additional Context
      No response
      Metadata
      Metadata
      Assignees
      No one assigned
        Labels
        bugSomething isn't working
        Type
        No type
        Projects
        No projects
          Milestone
          No milestone
          Relationships
          None yet
          Development
          No branches or pull requests
          Issue actions
          
, '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
          bug: duplicate header on entrypoint #895
          Closed
          #1365
          #955
          Closed
          bug: duplicate header on entrypoint#895
          #1365
          #955
          Labels
          bugSomething isn't working
          Description
          @Hweinstock
          Hweinstock
          opened on Apr 21, 2026
          Description
          
AgentCore Deploy
AgentCore Deploy
Project: {projectName}
Target: us-west-2:{accountId}
[done] Validate project
[done] Check dependencies
[done] Build CDK project
[done] Synthesize CloudFormation
[done] Check stack status
[done] Publish assets

          Steps to Reproduce
          agentcore deploy.
          Expected Behavior
          Only a single header.
          Actual Behavior
          two headers
          CLI Version
          No response
          Operating System
          macOS
          Additional Context
          No response
          Metadata
          Metadata
          Assignees
          No one assigned
            Labels
            bugSomething isn't working
            Type
            No type
            Projects
            No projects
              Milestone
              No milestone
              Relationships
              None yet
              Development
              No branches or pull requests
              Issue actions
              
, '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
              bug: duplicate header on entrypoint #895
              Closed
              #1365
              #955
              Closed
              bug: duplicate header on entrypoint#895
              #1365
              #955
              Labels
              bugSomething isn't working
              Description
              @Hweinstock
              Hweinstock
              opened on Apr 21, 2026
              Description
              
AgentCore Deploy
AgentCore Deploy
Project: {projectName}
Target: us-west-2:{accountId}
[done] Validate project
[done] Check dependencies
[done] Build CDK project
[done] Synthesize CloudFormation
[done] Check stack status
[done] Publish assets

              Steps to Reproduce
              agentcore deploy.
              Expected Behavior
              Only a single header.
              Actual Behavior
              two headers
              CLI Version
              No response
              Operating System
              macOS
              Additional Context
              No response
              Metadata
              Metadata
              Assignees
              No one assigned
                Labels
                bugSomething isn't working
                Type
                No type
                Projects
                No projects
                  Milestone
                  No milestone
                  Relationships
                  None yet
                  Development
                  No branches or pull requests
                  Issue actions
                  
, '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
                  bug: duplicate header on entrypoint #895
                  Closed
                  #1365
                  #955
                  Closed
                  bug: duplicate header on entrypoint#895
                  #1365
                  #955
                  Labels
                  bugSomething isn't working
                  Description
                  @Hweinstock
                  Hweinstock
                  opened on Apr 21, 2026
                  Description
                  
AgentCore Deploy
AgentCore Deploy
Project: {projectName}
Target: us-west-2:{accountId}
[done] Validate project
[done] Check dependencies
[done] Build CDK project
[done] Synthesize CloudFormation
[done] Check stack status
[done] Publish assets

                  Steps to Reproduce
                  agentcore deploy.
                  Expected Behavior
                  Only a single header.
                  Actual Behavior
                  two headers
                  CLI Version
                  No response
                  Operating System
                  macOS
                  Additional Context
                  No response
                  Metadata
                  Metadata
                  Assignees
                  No one assigned
                    Labels
                    bugSomething isn't working
                    Type
                    No type
                    Projects
                    No projects
                      Milestone
                      No milestone
                      Relationships
                      None yet
                      Development
                      No branches or pull requests
                      Issue actions
                      
, '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
                      bug: duplicate header on entrypoint #895
                      Closed
                      #1365
                      #955
                      Closed
                      bug: duplicate header on entrypoint#895
                      #1365
                      #955
                      Labels
                      bugSomething isn't working
                      Description
                      @Hweinstock
                      Hweinstock
                      opened on Apr 21, 2026
                      Description
                      
AgentCore Deploy
AgentCore Deploy
Project: {projectName}
Target: us-west-2:{accountId}
[done] Validate project
[done] Check dependencies
[done] Build CDK project
[done] Synthesize CloudFormation
[done] Check stack status
[done] Publish assets

                      Steps to Reproduce
                      agentcore deploy.
                      Expected Behavior
                      Only a single header.
                      Actual Behavior
                      two headers
                      CLI Version
                      No response
                      Operating System
                      macOS
                      Additional Context
                      No response
                      Metadata
                      Metadata
                      Assignees
                      No one assigned
                        Labels
                        bugSomething isn't working
                        Type
                        No type
                        Projects
                        No projects
                          Milestone
                          No milestone
                          Relationships
                          None yet
                          Development
                          No branches or pull requests
                          Issue actions
                          
, '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
                          bug: duplicate header on entrypoint #895
                          Closed
                          #1365
                          #955
                          Closed
                          bug: duplicate header on entrypoint#895
                          #1365
                          #955
                          Labels
                          bugSomething isn't working
                          Description
                          @Hweinstock
                          Hweinstock
                          opened on Apr 21, 2026
                          Description
                          
AgentCore Deploy
AgentCore Deploy
Project: {projectName}
Target: us-west-2:{accountId}
[done] Validate project
[done] Check dependencies
[done] Build CDK project
[done] Synthesize CloudFormation
[done] Check stack status
[done] Publish assets

                          Steps to Reproduce
                          agentcore deploy.
                          Expected Behavior
                          Only a single header.
                          Actual Behavior
                          two headers
                          CLI Version
                          No response
                          Operating System
                          macOS
                          Additional Context
                          No response
                          Metadata
                          Metadata
                          Assignees
                          No one assigned
                            Labels
                            bugSomething isn't working
                            Type
                            No type
                            Projects
                            No projects
                              Milestone
                              No milestone
                              Relationships
                              None yet
                              Development
                              No branches or pull requests
                              Issue actions
                              
, '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
                              bug: duplicate header on entrypoint #895
                              Closed
                              #1365
                              #955
                              Closed
                              bug: duplicate header on entrypoint#895
                              #1365
                              #955
                              Labels
                              bugSomething isn't working
                              Description
                              @Hweinstock
                              Hweinstock
                              opened on Apr 21, 2026
                              Description
                              
AgentCore Deploy
AgentCore Deploy
Project: {projectName}
Target: us-west-2:{accountId}
[done] Validate project
[done] Check dependencies
[done] Build CDK project
[done] Synthesize CloudFormation
[done] Check stack status
[done] Publish assets

                              Steps to Reproduce
                              agentcore deploy.
                              Expected Behavior
                              Only a single header.
                              Actual Behavior
                              two headers
                              CLI Version
                              No response
                              Operating System
                              macOS
                              Additional Context
                              No response
                              Metadata
                              Metadata
                              Assignees
                              No one assigned
                                Labels
                                bugSomething isn't working
                                Type
                                No type
                                Projects
                                No projects
                                  Milestone
                                  No milestone
                                  Relationships
                                  None yet
                                  Development
                                  No branches or pull requests
                                  Issue actions