ATSU 1.0.0

ATSU is an Advanced Toolkit for Stack Overflow and Stack Exchange users. Version 1.0.0 focuses on safer permissions, local-only analysis, diagnostics, visual question indicators, and useful comment assistance.

Main features

• Manifest V3 extension.
• Runs only on supported Stack Overflow / Stack Exchange domains.
• Per-site enable/disable configuration.
• Local heuristic review of questions and answers.
• Question, answer, and Meta-specific comment templates.
• Comment assistant button near Stack Exchange comment boxes.
• Local diagnostics mode for selector and page-state debugging.
• Question-link highlighting with color profiles.
• NEW / NUEVO badges for questions ATSU has not seen you open yet.
• CLOSED / CERRADA badges for titles marked [closed], [duplicate], [cerrada], or [duplicada].
• Import/export of ATSU settings as local JSON.
• No external analytics, telemetry, or remote AI processing.

Installation in Chrome Developer Mode

1. Unzip the package.
2. Open Chrome.
3. Go to:

chrome://extensions/

4. Enable Developer mode.
5. Click Load unpacked.
6. Select the atsu folder.
7. Open a supported Stack Exchange page and enable ATSU from the popup.

Development and verification

The extension runs directly from source and does not require a production build.

npm install
npm run verify

npm run verify checks JavaScript syntax, JSON files, the public 1.0.0 version, tracked files for common secrets, unit tests, and an isolated headless-Chromium smoke test.

Runtime files:

• background.js;
• src/js/shared/config.js and src/js/shared/storage.js;
• src/js/content.js;
• src/js/popup.js, src/html/popup.html, and src/css/popup.css.

Reference data:

• src/json/urls.json: static catalog snapshot used for documentation and validation, not loaded at runtime;
• src/json/lang/*.json: legacy language reference data, not loaded at runtime. Current UI strings live in the JavaScript runtime.

Recommended test sites

https://stackoverflow.com/questions
https://stackoverflow.com/questions/<id>/<slug>
https://meta.stackoverflow.com/questions/<id>/<slug>
https://es.stackoverflow.com/questions
https://es.stackoverflow.com/questions/<id>/<slug>
https://es.meta.stackoverflow.com/questions/<id>/<slug>
https://superuser.com/questions
https://serverfault.com/questions
https://askubuntu.com/questions
https://stackapps.com/questions
https://mathoverflow.net/questions

Diagnostics mode

Enable Diagnostics mode in the popup under the General tab. On question pages, the ATSU panel will show detected values such as:

• site name;
• site mode: technical or meta;
• page type;
• expected language;
• question detected;
• answers detected;
• comment boxes detected;
• question links detected;
• generated suggestions.

This mode is meant for testing and selector debugging.

Comment assistant behavior

ATSU now distinguishes between:

• comments under questions;
• comments under answers;
• technical Stack Overflow pages;
• Meta/support/discussion pages.

On Meta pages, ATSU avoids defaulting to technical [mre] comments and uses support/bug/context-oriented prompts instead.

Color profiles

Available profiles:

• None: disables ATSU link highlighting.
• Soft: calmer daily-use colors.
• Medium: clearer visual distinction.
• Strong: high-visibility testing colors.
• Custom: manual color pickers.

Settings portability

Use the Data tab in the popup to:

• export settings as JSON;
• import settings from JSON;
• reset all ATSU settings.

Export/import is local only. ATSU does not upload the JSON file.

Privacy

Read PRIVACY_POLICY.md before publication or distribution. The short version:

• ATSU analyzes visible Stack Exchange page content locally.
• ATSU stores only local configuration.
• ATSU does not send content to external servers.
• ATSU does not use analytics or telemetry.

Official Chrome documentation

https://developer.chrome.com/docs/extensions/develop/concepts/declare-permissions https://developer.chrome.com/docs/extensions/develop/concepts/content-scripts https://developer.chrome.com/docs/extensions/develop/concepts/activeTab https://developer.chrome.com/docs/webstore/program-policies/privacy https://developer.chrome.com/docs/webstore/program-policies/limited-use https://developer.chrome.com/docs/webstore/cws-dashboard-privacy

Question badges

ATSU marks dynamically detected questions with a compact NEW / NUEVO badge before the title. Closed questions are marked with CLOSED / CERRADA when the Stack Exchange page exposes enough closed-state information in the card markup. This is intentionally less invasive than coloring the entire question card.

Badge behavior

NEW / NUEVO means not visited by you according to ATSU local tracking. ATSU records question IDs when you click a question link or open a question page. It does not request Chrome's history permission, so it cannot import browser visits that happened before the extension was installed.

Closed detection follows explicit title markers when available, including [closed], [duplicate], [cerrada], and [duplicada].