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Achievement: YOLO

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opvelll/README.md

Hi, I’m a hobbyist developer from Japan.

Recently, I’ve been using AI tools like Codex to turn ideas into working projects. I’m interested in game UI, developer tools, and experimental prototypes.

Some of my recent work is pinned below.

Pinned Loading

  1. ComfyUI_TextListProductComfyUI_TextListProductPublic

    This is a custom node for Comfy UI. It mainly wraps itertools.product and can be used to create patterns by combining prompts.

    Python 1 3

  2. chrome_ai_extension_SidepanelLLM2chrome_ai_extension_SidepanelLLM2Public

    Chrome side panel chat extension with OpenAI and browser context capture.

    TypeScript 1

  3. koutuhikoutuhiPublic

    Suicaの利用履歴（PDF）から、交通経路、交通費の情報を抽出し、サンエス警備の「勤務表及び交通費請求書Excel」に自動で入力するツール

    TypeScript

  4. okuyuki-ui-playgroundokuyuki-ui-playgroundPublic

    3D UI playground for screen-depth drag, arcball rotation, and tunable object editing interactions.

    TypeScript 1

  5. browser-pixel-smithbrowser-pixel-smithPublic

    Browser-based pixel-art image processing tool with Pixel Snap, quantization, resizing, color adjustment, cropping, and before/after comparison.

    TypeScript

  6. codex-build123d-modelingcodex-build123d-modelingPublic

    Template for generating build123d CAD models with Codex, automated exports, and a browser-based model viewer.

    JavaScript

, '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" + '

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following

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Achievement: YOLO
Achievements
Achievement: YOLO

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opvelll/README.md
Hi, I’m a hobbyist developer from Japan.
Recently, I’ve been using AI tools like Codex to turn ideas into working projects.
I’m interested in game UI, developer tools, and experimental prototypes.
Some of my recent work is pinned below.

Pinned
Loading
  1. ComfyUI_TextListProductComfyUI_TextListProductPublic
    
This is a custom node for Comfy UI. It mainly wraps itertools.product and can be used to create patterns by combining prompts.

    Python
1

3

  2. chrome_ai_extension_SidepanelLLM2chrome_ai_extension_SidepanelLLM2Public
    
Chrome side panel chat extension with OpenAI and browser context capture.

    TypeScript
1

  3. koutuhikoutuhiPublic
    
Suicaの利用履歴（PDF）から、交通経路、交通費の情報を抽出し、サンエス警備の「勤務表及び交通費請求書Excel」に自動で入力するツール

    TypeScript
  4. okuyuki-ui-playgroundokuyuki-ui-playgroundPublic
    
3D UI playground for screen-depth drag, arcball rotation, and tunable object editing interactions.

    TypeScript
1

  5. browser-pixel-smithbrowser-pixel-smithPublic
    
Browser-based pixel-art image processing tool with Pixel Snap, quantization, resizing, color adjustment, cropping, and before/after comparison.

    TypeScript
  6. codex-build123d-modelingcodex-build123d-modelingPublic
    
Template for generating build123d CAD models with Codex, automated exports, and a browser-based model viewer.

    JavaScript

, '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('^' + ".*" + '

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View opvelll's full-sized avatar
2
followers
 · 1
following

Achievements
Achievement: YOLO
Achievements
Achievement: YOLO

Block or report opvelll

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opvelll/README.md
Hi, I’m a hobbyist developer from Japan.
Recently, I’ve been using AI tools like Codex to turn ideas into working projects.
I’m interested in game UI, developer tools, and experimental prototypes.
Some of my recent work is pinned below.

Pinned
Loading
  1. ComfyUI_TextListProductComfyUI_TextListProductPublic
    
This is a custom node for Comfy UI. It mainly wraps itertools.product and can be used to create patterns by combining prompts.

    Python
1

3

  2. chrome_ai_extension_SidepanelLLM2chrome_ai_extension_SidepanelLLM2Public
    
Chrome side panel chat extension with OpenAI and browser context capture.

    TypeScript
1

  3. koutuhikoutuhiPublic
    
Suicaの利用履歴（PDF）から、交通経路、交通費の情報を抽出し、サンエス警備の「勤務表及び交通費請求書Excel」に自動で入力するツール

    TypeScript
  4. okuyuki-ui-playgroundokuyuki-ui-playgroundPublic
    
3D UI playground for screen-depth drag, arcball rotation, and tunable object editing interactions.

    TypeScript
1

  5. browser-pixel-smithbrowser-pixel-smithPublic
    
Browser-based pixel-art image processing tool with Pixel Snap, quantization, resizing, color adjustment, cropping, and before/after comparison.

    TypeScript
  6. codex-build123d-modelingcodex-build123d-modelingPublic
    
Template for generating build123d CAD models with Codex, automated exports, and a browser-based model viewer.

    JavaScript

, '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('^' + ".*" + '

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followers
 · 1
following

Achievements
Achievement: YOLO
Achievements
Achievement: YOLO

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opvelll/README.md
Hi, I’m a hobbyist developer from Japan.
Recently, I’ve been using AI tools like Codex to turn ideas into working projects.
I’m interested in game UI, developer tools, and experimental prototypes.
Some of my recent work is pinned below.

Pinned
Loading
  1. ComfyUI_TextListProductComfyUI_TextListProductPublic
    
This is a custom node for Comfy UI. It mainly wraps itertools.product and can be used to create patterns by combining prompts.

    Python
1

3

  2. chrome_ai_extension_SidepanelLLM2chrome_ai_extension_SidepanelLLM2Public
    
Chrome side panel chat extension with OpenAI and browser context capture.

    TypeScript
1

  3. koutuhikoutuhiPublic
    
Suicaの利用履歴（PDF）から、交通経路、交通費の情報を抽出し、サンエス警備の「勤務表及び交通費請求書Excel」に自動で入力するツール

    TypeScript
  4. okuyuki-ui-playgroundokuyuki-ui-playgroundPublic
    
3D UI playground for screen-depth drag, arcball rotation, and tunable object editing interactions.

    TypeScript
1

  5. browser-pixel-smithbrowser-pixel-smithPublic
    
Browser-based pixel-art image processing tool with Pixel Snap, quantization, resizing, color adjustment, cropping, and before/after comparison.

    TypeScript
  6. codex-build123d-modelingcodex-build123d-modelingPublic
    
Template for generating build123d CAD models with Codex, automated exports, and a browser-based model viewer.

    JavaScript

, '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
View opvelll's full-sized avatar
2
followers
 · 1
following

Achievements
Achievement: YOLO
Achievements
Achievement: YOLO

Block or report opvelll

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Learn more about reporting abuse.

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opvelll/README.md
Hi, I’m a hobbyist developer from Japan.
Recently, I’ve been using AI tools like Codex to turn ideas into working projects.
I’m interested in game UI, developer tools, and experimental prototypes.
Some of my recent work is pinned below.

Pinned
Loading
  1. ComfyUI_TextListProductComfyUI_TextListProductPublic
    
This is a custom node for Comfy UI. It mainly wraps itertools.product and can be used to create patterns by combining prompts.

    Python
1

3

  2. chrome_ai_extension_SidepanelLLM2chrome_ai_extension_SidepanelLLM2Public
    
Chrome side panel chat extension with OpenAI and browser context capture.

    TypeScript
1

  3. koutuhikoutuhiPublic
    
Suicaの利用履歴（PDF）から、交通経路、交通費の情報を抽出し、サンエス警備の「勤務表及び交通費請求書Excel」に自動で入力するツール

    TypeScript
  4. okuyuki-ui-playgroundokuyuki-ui-playgroundPublic
    
3D UI playground for screen-depth drag, arcball rotation, and tunable object editing interactions.

    TypeScript
1

  5. browser-pixel-smithbrowser-pixel-smithPublic
    
Browser-based pixel-art image processing tool with Pixel Snap, quantization, resizing, color adjustment, cropping, and before/after comparison.

    TypeScript
  6. codex-build123d-modelingcodex-build123d-modelingPublic
    
Template for generating build123d CAD models with Codex, automated exports, and a browser-based model viewer.

    JavaScript

, '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
View opvelll's full-sized avatar
2
followers
 · 1
following

Achievements
Achievement: YOLO
Achievements
Achievement: YOLO

Block or report opvelll

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Learn more about reporting abuse.

Report abuse
opvelll/README.md
Hi, I’m a hobbyist developer from Japan.
Recently, I’ve been using AI tools like Codex to turn ideas into working projects.
I’m interested in game UI, developer tools, and experimental prototypes.
Some of my recent work is pinned below.

Pinned
Loading
  1. ComfyUI_TextListProductComfyUI_TextListProductPublic
    
This is a custom node for Comfy UI. It mainly wraps itertools.product and can be used to create patterns by combining prompts.

    Python
1

3

  2. chrome_ai_extension_SidepanelLLM2chrome_ai_extension_SidepanelLLM2Public
    
Chrome side panel chat extension with OpenAI and browser context capture.

    TypeScript
1

  3. koutuhikoutuhiPublic
    
Suicaの利用履歴（PDF）から、交通経路、交通費の情報を抽出し、サンエス警備の「勤務表及び交通費請求書Excel」に自動で入力するツール

    TypeScript
  4. okuyuki-ui-playgroundokuyuki-ui-playgroundPublic
    
3D UI playground for screen-depth drag, arcball rotation, and tunable object editing interactions.

    TypeScript
1

  5. browser-pixel-smithbrowser-pixel-smithPublic
    
Browser-based pixel-art image processing tool with Pixel Snap, quantization, resizing, color adjustment, cropping, and before/after comparison.

    TypeScript
  6. codex-build123d-modelingcodex-build123d-modelingPublic
    
Template for generating build123d CAD models with Codex, automated exports, and a browser-based model viewer.

    JavaScript

, '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
View opvelll's full-sized avatar
2
followers
 · 1
following

Achievements
Achievement: YOLO
Achievements
Achievement: YOLO

Block or report opvelll

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Learn more about reporting abuse.

Report abuse
opvelll/README.md
Hi, I’m a hobbyist developer from Japan.
Recently, I’ve been using AI tools like Codex to turn ideas into working projects.
I’m interested in game UI, developer tools, and experimental prototypes.
Some of my recent work is pinned below.

Pinned
Loading
  1. ComfyUI_TextListProductComfyUI_TextListProductPublic
    
This is a custom node for Comfy UI. It mainly wraps itertools.product and can be used to create patterns by combining prompts.

    Python
1

3

  2. chrome_ai_extension_SidepanelLLM2chrome_ai_extension_SidepanelLLM2Public
    
Chrome side panel chat extension with OpenAI and browser context capture.

    TypeScript
1

  3. koutuhikoutuhiPublic
    
Suicaの利用履歴（PDF）から、交通経路、交通費の情報を抽出し、サンエス警備の「勤務表及び交通費請求書Excel」に自動で入力するツール

    TypeScript
  4. okuyuki-ui-playgroundokuyuki-ui-playgroundPublic
    
3D UI playground for screen-depth drag, arcball rotation, and tunable object editing interactions.

    TypeScript
1

  5. browser-pixel-smithbrowser-pixel-smithPublic
    
Browser-based pixel-art image processing tool with Pixel Snap, quantization, resizing, color adjustment, cropping, and before/after comparison.

    TypeScript
  6. codex-build123d-modelingcodex-build123d-modelingPublic
    
Template for generating build123d CAD models with Codex, automated exports, and a browser-based model viewer.

    JavaScript

, '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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followers
 · 1
following

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Achievement: YOLO
Achievements
Achievement: YOLO

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opvelll/README.md
Hi, I’m a hobbyist developer from Japan.
Recently, I’ve been using AI tools like Codex to turn ideas into working projects.
I’m interested in game UI, developer tools, and experimental prototypes.
Some of my recent work is pinned below.

Pinned
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  1. ComfyUI_TextListProductComfyUI_TextListProductPublic
    
This is a custom node for Comfy UI. It mainly wraps itertools.product and can be used to create patterns by combining prompts.

    Python
1

3

  2. chrome_ai_extension_SidepanelLLM2chrome_ai_extension_SidepanelLLM2Public
    
Chrome side panel chat extension with OpenAI and browser context capture.

    TypeScript
1

  3. koutuhikoutuhiPublic
    
Suicaの利用履歴（PDF）から、交通経路、交通費の情報を抽出し、サンエス警備の「勤務表及び交通費請求書Excel」に自動で入力するツール

    TypeScript
  4. okuyuki-ui-playgroundokuyuki-ui-playgroundPublic
    
3D UI playground for screen-depth drag, arcball rotation, and tunable object editing interactions.

    TypeScript
1

  5. browser-pixel-smithbrowser-pixel-smithPublic
    
Browser-based pixel-art image processing tool with Pixel Snap, quantization, resizing, color adjustment, cropping, and before/after comparison.

    TypeScript
  6. codex-build123d-modelingcodex-build123d-modelingPublic
    
Template for generating build123d CAD models with Codex, automated exports, and a browser-based model viewer.

    JavaScript