A browser extension that lets you summarize any webpage and ask questions using AI.
Wire extension display name from config; generic Summarizer + AI chat copy
- CONFIG.EXTENSION drives options title/shortcuts; remove duplicate version
- Manifest name/description; popup branding and chat placeholder
- AGENTS.md: name/version/shortcut maintenance notes
- Console log tags [Summarizer]; build.sh comment
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AGENTS.md
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AGENTS.md
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## Other Browser Differences
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Read BROWSER_SUPPORT.md for info.
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## Name, version, shortcuts
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- **Version** lives in the active manifest (`version`) and any browser-specific manifest you ship. Do not duplicate it in `scripts/config.js`.
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- **Display name and default shortcut copy** for the settings page come from `CONFIG.EXTENSION` (`NAME`, `SHORTCUT`, `SHORTCUT_MAC`), filled in `options/options.js`. When you change the extension **name** or **suggested keyboard shortcuts**, update the manifest **`name` / `commands`** and the same fields in **`CONFIG.EXTENSION`** so the options tab title and shortcut help stay accurate.
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build.sh
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build.sh
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manifest-chrome.json
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manifest-chrome.json
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{
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"manifest_version": 3,
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"name": "WebAI Summarizer",
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"name": "Summarizer",
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"version": "1.0.0",
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"description": "Ask questions and summarize any webpage with AI",
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"description": "Summarize any webpage and use AI chat about what you're reading",
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"permissions": [
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"activeTab",
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"tabs",
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manifest-firefox.json
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manifest-firefox.json
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{
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"manifest_version": 3,
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"name": "WebAI Summarizer",
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"name": "Summarizer",
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"version": "1.0.0",
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"description": "Ask questions and summarize any webpage with AI",
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"description": "Summarize any webpage and use AI chat about what you're reading",
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"browser_specific_settings": {
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"gecko": {
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"id": "webai-summarizer@anomaly.co",
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manifest.json
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manifest.json
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{
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"manifest_version": 3,
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"name": "WebAI Summarizer",
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"name": "Summarizer",
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"version": "1.0.0",
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"description": "Ask questions and summarize any webpage with AI",
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"description": "Summarize any webpage and use AI chat about what you're reading",
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"permissions": [
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"activeTab",
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"tabs",
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options/options.html
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options/options.html
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<html>
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<head>
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<meta charset="UTF-8" />
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<title>Summarize — Settings</title>
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<title>Summarizer — Settings</title>
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<link rel="stylesheet" href="options.css" />
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</head>
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<body>
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<div class="form-group">
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<label>Keyboard Shortcut</label>
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<div class="shortcut-display">
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<code>Ctrl+Shift+U</code> (Windows/Linux) ·
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<code>Cmd+Shift+U</code> (Mac)
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</div>
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<div class="shortcut-display" id="shortcut-display"></div>
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<p class="help">
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<a href="#" id="keyboard-shortcuts-link"
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>Change or enable keyboard shortcut</a
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options/options.js
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options/options.js
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return infoDiv;
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}
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/** Tab title + shortcut help from CONFIG.EXTENSION (keep in sync with manifest name / commands). */
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function applyExtensionMetadata() {
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document.title = `${CONFIG.EXTENSION.NAME} — Settings`;
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const el = document.getElementById("shortcut-display");
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if (!el) return;
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const { SHORTCUT, SHORTCUT_MAC } = CONFIG.EXTENSION;
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el.replaceChildren();
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const win = document.createElement("code");
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win.textContent = SHORTCUT;
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el.appendChild(win);
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el.appendChild(document.createTextNode(" (Windows/Linux) \u00a0\u00b7\u00a0 "));
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const mac = document.createElement("code");
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mac.textContent = SHORTCUT_MAC;
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el.appendChild(mac);
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el.appendChild(document.createTextNode(" (Mac)"));
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}
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async function initializePage() {
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applyExtensionMetadata();
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const { theme } = await chrome.storage.sync.get("theme");
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currentTheme = theme || "system";
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applyTheme(currentTheme);
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popup/popup.html
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popup/popup.html
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<div class="logo-mark">
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<span class="brand-icon" aria-hidden="true"></span>
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</div>
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<span class="logo-text">Summarize</span>
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<span class="logo-text">Summarizer</span>
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</div>
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<div class="header-right">
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<!-- Theme toggle: cycles light → dark → system -->
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type="text"
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id="chat-input"
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class="chat-input"
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placeholder="Ask about this article..."
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placeholder="AI chat — ask about this page…"
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/>
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<button id="chat-send" class="chat-send-btn" title="Send">
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<svg
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popup/popup.js
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popup/popup.js
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// Popup script - Simple summarizer, no streaming, no history, resets on close
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// Popup: quick summary + chat; streams via background; in-memory chat until the popup closes.
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let isLoading = false;
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let currentPageContent = "";
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let isExtracting = true;
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let quickSummary = "";
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let detailedSummary = "";
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/** Tracks summary mode ("quick" while generating); not read elsewhere yet — safe to use for future UI. */
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let currentSummaryMode = "none"; // "none", "quick", "detailed"
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let currentTabId = null;
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let currentTabUrl = "";
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scripts/background.js
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scripts/background.js
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// ── Prompt templates from CONFIG ─────────────────────────────────────────
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const OLLAMA_CONTEXT_TEMPLATE = CONFIG.OLLAMA.CONTEXT_TEMPLATE;
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const OLLAMA_SINGLE_MESSAGE_TEMPLATE = CONFIG.OLLAMA.SINGLE_MESSAGE_TEMPLATE;
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chrome.runtime.onInstalled.addListener(() => {
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// Set default settings only if they don't already exist
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CONFIG.CACHE.SUGGESTIONS + tabId,
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]);
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} catch (e) {
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console.error("[WebAI] Error clearing cache:", e);
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console.error("[Summarizer] Error clearing cache:", e);
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}
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}
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···
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}
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});
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// Handle keyboard shortcut
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// Chrome & Firefox: Listen for "summarize-page" command
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// Handle keyboard shortcut (manifest command + optional legacy alias)
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chrome.commands.onCommand.addListener((command) => {
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if (command === "summarize-page" || command === "open-summarizer") {
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chrome.tabs.query({ active: true, currentWindow: true }).then((tabs) => {
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scripts/config.js
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scripts/config.js
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/**
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* Shared configuration for WebAI Summarizer
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* Shared configuration for the Summarizer extension
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* Centralizes all defaults, constants, and settings
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*/
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···
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KEEP_ALIVE: "0",
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},
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// Content extraction settings
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// Content extraction settings (scripts/content.js — Readability + paragraph fallback)
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EXTRACTION: {
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MAX_LENGTH: 50000,
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/** Not used by content.js today (fallback uses `p` nodes); kept for future richer fallback. */
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FALLBACK_SELECTORS: [
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"article p",
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"article div",
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CHAT_SUGGESTIONS: `Based on this chat response, generate 2 natural follow-up questions the reader might want to ask next. Keep questions short (5-8 words). Make them specific to what was just discussed. Return only the 2 questions, one per line, no numbering or bullet points.`,
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},
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// Ollama template strings
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// Ollama template strings (background native `/api/generate` prompt assembly)
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OLLAMA: {
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CONTEXT_TEMPLATE: "Context:\n${context}\n\nUser: ${userMessage}",
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/** Single-turn prompts use the raw user string in code; kept here for parity / edits. */
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SINGLE_MESSAGE_TEMPLATE: "${userMessage}",
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},
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// Extension metadata
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/**
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* Display strings wired in `options/options.js` (document title + shortcut help).
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* Name: keep aligned with manifest `name`. Shortcuts: same chord as manifest `commands.summarize-page.suggested_key`.
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* Extension version lives only in the manifest(s); use `chrome.runtime.getManifest().version` in code if needed.
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*/
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EXTENSION: {
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NAME: "WebAI Summarizer",
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VERSION: "1.0.0",
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NAME: "Summarizer",
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SHORTCUT: "Ctrl+Shift+U",
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SHORTCUT_MAC: "Command+Shift+U",
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SHORTCUT_MAC: "Cmd+Shift+U",
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},
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};
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scripts/content.js
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scripts/content.js
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}
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// Otherwise fall back to basic extraction
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console.log(
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"[WebAI] Readability extracted minimal content, trying fallback...",
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console.debug(
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"[Summarizer] Readability extracted minimal content, trying fallback...",
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);
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const fallback = extractFallback();
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···
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return result;
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} catch (error) {
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console.error("[WebAI] Readability error:", error);
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console.error("[Summarizer] Readability error:", error);
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// On error, try fallback
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return extractFallback();
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}