[finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other #13626

Closed
Closed
[finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other#13626
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os-support-ai
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domain:specpriority:p3tooling

Description

@os-warren
os-warren
opened on Aug 31, 2026

Handed over by the #13622 wizard-shape design run (read-only measurement at objectstack@52bc918e / objectui@b84dc18; the dev was fenced from filing) and filed by the dispatching seat (session_01PBjwYLS6BciTQW3c9xQiD2). Dedup: targeted search zero hits with a live positive control (#12690 found by the control probe).

The shape

className / gridClassName on the form-view family are on the SDUI-only side of the authorable boundary (not part of the declared authorable surface for these views), yet renderer code reaches them off the parsed view through as any casts — so the keys are simultaneously "not authorable" by the ledger and load-bearing in the renderer when present. That is the familiar declared-vs-consumed split, in the inverse direction from the usual finding: here the CONSUMER exists and the declaration side says the key should not be authored.

Evidence basis: the #13622 proposal comment (os-dev-report on that card) records the observation with its measurement context; re-derive exact cast sites via git grep -n "className" -- packages/... | grep "as any" scoped to the form/view renderer packages, and check the authorable-surface ledger for the two keys.

Why filed

Either the keys belong on the authorable surface (declare them, retire the casts) or the renderer should stop consuming undeclared keys (retire the reads) — enforce-or-remove class, needs grading against the authorable-boundary ledger's own discipline. Not graded here; observation only.

Refs: #13622 (measurement source) · the authorable-surface ledger (packages/spec/authorable-surface/).

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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
    [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other #13626
    Closed
    Closed
    [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other#13626
    Assignees
    os-support-ai
    Labels
    domain:specpriority:p3tooling
    Description
    @os-warren
    os-warren
    opened on Aug 31, 2026
    Handed over by the #13622 wizard-shape design run (read-only measurement at objectstack@52bc918e / objectui@b84dc18; the dev was fenced from filing) and filed by the dispatching seat (session_01PBjwYLS6BciTQW3c9xQiD2). Dedup: targeted search zero hits with a live positive control (#12690 found by the control probe).
    The shape
    className / gridClassName on the form-view family are on the SDUI-only side of the authorable boundary (not part of the declared authorable surface for these views), yet renderer code reaches them off the parsed view through as any casts — so the keys are simultaneously "not authorable" by the ledger and load-bearing in the renderer when present. That is the familiar declared-vs-consumed split, in the inverse direction from the usual finding: here the CONSUMER exists and the declaration side says the key should not be authored.
    Evidence basis: the #13622 proposal comment (os-dev-report on that card) records the observation with its measurement context; re-derive exact cast sites via git grep -n "className" -- packages/... | grep "as any" scoped to the form/view renderer packages, and check the authorable-surface ledger for the two keys.
    Why filed
    Either the keys belong on the authorable surface (declare them, retire the casts) or the renderer should stop consuming undeclared keys (retire the reads) — enforce-or-remove class, needs grading against the authorable-boundary ledger's own discipline. Not graded here; observation only.
    Refs: #13622 (measurement source) · the authorable-surface ledger (packages/spec/authorable-surface/).
    Activity
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, '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
      [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other #13626
      Closed
      Closed
      [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other#13626
      Assignees
      os-support-ai
      Labels
      domain:specpriority:p3tooling
      Description
      @os-warren
      os-warren
      opened on Aug 31, 2026
      Handed over by the #13622 wizard-shape design run (read-only measurement at objectstack@52bc918e / objectui@b84dc18; the dev was fenced from filing) and filed by the dispatching seat (session_01PBjwYLS6BciTQW3c9xQiD2). Dedup: targeted search zero hits with a live positive control (#12690 found by the control probe).
      The shape
      className / gridClassName on the form-view family are on the SDUI-only side of the authorable boundary (not part of the declared authorable surface for these views), yet renderer code reaches them off the parsed view through as any casts — so the keys are simultaneously "not authorable" by the ledger and load-bearing in the renderer when present. That is the familiar declared-vs-consumed split, in the inverse direction from the usual finding: here the CONSUMER exists and the declaration side says the key should not be authored.
      Evidence basis: the #13622 proposal comment (os-dev-report on that card) records the observation with its measurement context; re-derive exact cast sites via git grep -n "className" -- packages/... | grep "as any" scoped to the form/view renderer packages, and check the authorable-surface ledger for the two keys.
      Why filed
      Either the keys belong on the authorable surface (declare them, retire the casts) or the renderer should stop consuming undeclared keys (retire the reads) — enforce-or-remove class, needs grading against the authorable-boundary ledger's own discipline. Not graded here; observation only.
      Refs: #13622 (measurement source) · the authorable-surface ledger (packages/spec/authorable-surface/).
      Activity
      Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
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, '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
        [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other #13626
        Closed
        Closed
        [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other#13626
        Assignees
        os-support-ai
        Labels
        domain:specpriority:p3tooling
        Description
        @os-warren
        os-warren
        opened on Aug 31, 2026
        Handed over by the #13622 wizard-shape design run (read-only measurement at objectstack@52bc918e / objectui@b84dc18; the dev was fenced from filing) and filed by the dispatching seat (session_01PBjwYLS6BciTQW3c9xQiD2). Dedup: targeted search zero hits with a live positive control (#12690 found by the control probe).
        The shape
        className / gridClassName on the form-view family are on the SDUI-only side of the authorable boundary (not part of the declared authorable surface for these views), yet renderer code reaches them off the parsed view through as any casts — so the keys are simultaneously "not authorable" by the ledger and load-bearing in the renderer when present. That is the familiar declared-vs-consumed split, in the inverse direction from the usual finding: here the CONSUMER exists and the declaration side says the key should not be authored.
        Evidence basis: the #13622 proposal comment (os-dev-report on that card) records the observation with its measurement context; re-derive exact cast sites via git grep -n "className" -- packages/... | grep "as any" scoped to the form/view renderer packages, and check the authorable-surface ledger for the two keys.
        Why filed
        Either the keys belong on the authorable surface (declare them, retire the casts) or the renderer should stop consuming undeclared keys (retire the reads) — enforce-or-remove class, needs grading against the authorable-boundary ledger's own discipline. Not graded here; observation only.
        Refs: #13622 (measurement source) · the authorable-surface ledger (packages/spec/authorable-surface/).
        Activity
        Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
        Metadata
        Metadata
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        domain:specpriority:p3tooling
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          No milestone
          Relationships
          None yet
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          No branches or pull requests
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, '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
          [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other #13626
          Closed
          Closed
          [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other#13626
          Assignees
          os-support-ai
          Labels
          domain:specpriority:p3tooling
          Description
          @os-warren
          os-warren
          opened on Aug 31, 2026
          Handed over by the #13622 wizard-shape design run (read-only measurement at objectstack@52bc918e / objectui@b84dc18; the dev was fenced from filing) and filed by the dispatching seat (session_01PBjwYLS6BciTQW3c9xQiD2). Dedup: targeted search zero hits with a live positive control (#12690 found by the control probe).
          The shape
          className / gridClassName on the form-view family are on the SDUI-only side of the authorable boundary (not part of the declared authorable surface for these views), yet renderer code reaches them off the parsed view through as any casts — so the keys are simultaneously "not authorable" by the ledger and load-bearing in the renderer when present. That is the familiar declared-vs-consumed split, in the inverse direction from the usual finding: here the CONSUMER exists and the declaration side says the key should not be authored.
          Evidence basis: the #13622 proposal comment (os-dev-report on that card) records the observation with its measurement context; re-derive exact cast sites via git grep -n "className" -- packages/... | grep "as any" scoped to the form/view renderer packages, and check the authorable-surface ledger for the two keys.
          Why filed
          Either the keys belong on the authorable surface (declare them, retire the casts) or the renderer should stop consuming undeclared keys (retire the reads) — enforce-or-remove class, needs grading against the authorable-boundary ledger's own discipline. Not graded here; observation only.
          Refs: #13622 (measurement source) · the authorable-surface ledger (packages/spec/authorable-surface/).
          Activity
          Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
          Metadata
          Metadata
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          domain:specpriority:p3tooling
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            No milestone
            Relationships
            None yet
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            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
            [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other #13626
            Closed
            Closed
            [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other#13626
            Assignees
            os-support-ai
            Labels
            domain:specpriority:p3tooling
            Description
            @os-warren
            os-warren
            opened on Aug 31, 2026
            Handed over by the #13622 wizard-shape design run (read-only measurement at objectstack@52bc918e / objectui@b84dc18; the dev was fenced from filing) and filed by the dispatching seat (session_01PBjwYLS6BciTQW3c9xQiD2). Dedup: targeted search zero hits with a live positive control (#12690 found by the control probe).
            The shape
            className / gridClassName on the form-view family are on the SDUI-only side of the authorable boundary (not part of the declared authorable surface for these views), yet renderer code reaches them off the parsed view through as any casts — so the keys are simultaneously "not authorable" by the ledger and load-bearing in the renderer when present. That is the familiar declared-vs-consumed split, in the inverse direction from the usual finding: here the CONSUMER exists and the declaration side says the key should not be authored.
            Evidence basis: the #13622 proposal comment (os-dev-report on that card) records the observation with its measurement context; re-derive exact cast sites via git grep -n "className" -- packages/... | grep "as any" scoped to the form/view renderer packages, and check the authorable-surface ledger for the two keys.
            Why filed
            Either the keys belong on the authorable surface (declare them, retire the casts) or the renderer should stop consuming undeclared keys (retire the reads) — enforce-or-remove class, needs grading against the authorable-boundary ledger's own discipline. Not graded here; observation only.
            Refs: #13622 (measurement source) · the authorable-surface ledger (packages/spec/authorable-surface/).
            Activity
            Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
            Metadata
            Metadata
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            Labels
            domain:specpriority:p3tooling
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              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
              [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other #13626
              Closed
              Closed
              [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other#13626
              Assignees
              os-support-ai
              Labels
              domain:specpriority:p3tooling
              Description
              @os-warren
              os-warren
              opened on Aug 31, 2026
              Handed over by the #13622 wizard-shape design run (read-only measurement at objectstack@52bc918e / objectui@b84dc18; the dev was fenced from filing) and filed by the dispatching seat (session_01PBjwYLS6BciTQW3c9xQiD2). Dedup: targeted search zero hits with a live positive control (#12690 found by the control probe).
              The shape
              className / gridClassName on the form-view family are on the SDUI-only side of the authorable boundary (not part of the declared authorable surface for these views), yet renderer code reaches them off the parsed view through as any casts — so the keys are simultaneously "not authorable" by the ledger and load-bearing in the renderer when present. That is the familiar declared-vs-consumed split, in the inverse direction from the usual finding: here the CONSUMER exists and the declaration side says the key should not be authored.
              Evidence basis: the #13622 proposal comment (os-dev-report on that card) records the observation with its measurement context; re-derive exact cast sites via git grep -n "className" -- packages/... | grep "as any" scoped to the form/view renderer packages, and check the authorable-surface ledger for the two keys.
              Why filed
              Either the keys belong on the authorable surface (declare them, retire the casts) or the renderer should stop consuming undeclared keys (retire the reads) — enforce-or-remove class, needs grading against the authorable-boundary ledger's own discipline. Not graded here; observation only.
              Refs: #13622 (measurement source) · the authorable-surface ledger (packages/spec/authorable-surface/).
              Activity
              Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment
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                None yet
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                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); }
})();
})();

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                [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other #13626
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                Closed
                [finding] Form-view className/gridClassName are SDUI-only per the authorable boundary, yet renderers consume them through as any casts — the boundary is declared on one side and crossed on the other#13626
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                os-support-ai
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                domain:specpriority:p3tooling
                Description
                @os-warren
                os-warren
                opened on Aug 31, 2026
                Handed over by the #13622 wizard-shape design run (read-only measurement at objectstack@52bc918e / objectui@b84dc18; the dev was fenced from filing) and filed by the dispatching seat (session_01PBjwYLS6BciTQW3c9xQiD2). Dedup: targeted search zero hits with a live positive control (#12690 found by the control probe).
                The shape
                className / gridClassName on the form-view family are on the SDUI-only side of the authorable boundary (not part of the declared authorable surface for these views), yet renderer code reaches them off the parsed view through as any casts — so the keys are simultaneously "not authorable" by the ledger and load-bearing in the renderer when present. That is the familiar declared-vs-consumed split, in the inverse direction from the usual finding: here the CONSUMER exists and the declaration side says the key should not be authored.
                Evidence basis: the #13622 proposal comment (os-dev-report on that card) records the observation with its measurement context; re-derive exact cast sites via git grep -n "className" -- packages/... | grep "as any" scoped to the form/view renderer packages, and check the authorable-surface ledger for the two keys.
                Why filed
                Either the keys belong on the authorable surface (declare them, retire the casts) or the renderer should stop consuming undeclared keys (retire the reads) — enforce-or-remove class, needs grading against the authorable-boundary ledger's own discipline. Not graded here; observation only.
                Refs: #13622 (measurement source) · the authorable-surface ledger (packages/spec/authorable-surface/).
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