Privacy, YouTube, and reliability improvements.

• Privacy — "Save history" toggle, "Clear cached data" button, sensitive sites (Gmail, Outlook, Proton, etc.) never cached, and URL‑hashed storage keys.
• YouTube — transcripts now actually work (no more summaries hallucinated from the title); marketing boilerplate stripped from descriptions.
• Reliability — summaries, answers, and prompts keep running in the background if the popup closes, and the popup reopens to your last view.
• UI — cleaner progress box and Clear‑data button.
• Security — SSRF/CORS hardening and a stricter extension↔backend boundary.

Install: load the extension zip below (chrome://extensions → Load unpacked), or pip install apogee_browser-0.1.4-py3-none-any.whl for the optional local Ollama backend.

Full changelog: https://github.com/darshi1337/apogee/compare/v0.1.3...v0.1.4

• perf(sw): Keep offscreen document alive with a 5-minute idle timeout. Previously, the offscreen document (including the loaded MLCEngine and WebGPU device) was torn down on every focus loss of the action popup, triggering full model reloads on subsequent interactions.
• fix(webllm): Add content chunking and truncation (lib/chunk.js) and implement map-reduce summarization to match backend behavior, preventing context overflows on long articles in small models.
• perf(popup): Reuse extracted page data for follow-up questions instead of re-running the full Readability DOM clone.
• perf(popup): Return the DOM extraction result directly from executeScript, removing 3 extra script injections that mutated the host page. Unused run_extraction.js has been deleted.
• fix(popup): Correctly handle WebGPU check failures and avoid caching fail-open WebGPU results so "WebGPU not supported" warnings are correctly displayed if a transient messaging error occurs.
• fix(popup): Bound the summary cache with FIFO eviction (capped at 50 pages) to prevent unbound memory growth.
• fix: General hardening including UUID stream IDs and escaping quotes in escapeHtml.

• fix(backend): Accept -, *, and • interchangeably as bullet markers in summaries to prevent dropping chunks whose bullets differed from •.

Hardened privacy: Scoped permissions strictly to the active tab and locked network egress to 127.0.0.1.
Improved streaming UX: Added support for smooth token-by-token response rendering in the popup.
Version alignment: Bumped extension version to 0.1.2 and updated internal dependencies to keep Firefox and Chrome parity.