add unified /scrape and /scrape/type: routes

extract handleExtension for unified dispatcher

extract handleWebsite for unified dispatcher

extract handleGithub for unified dispatcher

extract handleJina for unified dispatcher

unified scrape dispatcher (auto-detect + /scrape/type:{kind})

register /scrape/website route

add /scrape/website multi-page scraper (landing+pricing+about with fallback names)

add README fetch (raw.githubusercontent.com, filename fallbacks)

remove old regex-based http.go (logic moved to extension.go)

go.sum for goquery deps

register /scrape/extension route

add goquery dependency

add goquery-based structured extension scraper (chrome/edge/firefox)

rewrite favicon README: full API ref, SSE, type detection, store explainers

use new validate.Result fields (Valid/Status)

use new validate.Result fields (Valid/Status)

validate handler: new {valid,type,status} response shape

type-aware validate: valid/type/status, github private vs not_found

add exported DetectType for validate reuse

validate: treat 403/401 as reachable (bot-block), reduce retries for speed

register /validate route

add /validate handler

fix SSE: statusRecorder must implement http.Flusher

register favicon SSE + type: path routes

add type field + persistent SSE stream (no kill) + type: path routing

fix: remove duplicate normalizeURL and unused strings import

fix: change var lastErr from string to error in probe()

improve: HEAD first + GET fallback, accurate status handling, better UA, retry

fix: restore package declaration

fix: restore package declaration

fix: restore package declaration

fix: restore package declaration

fix: restore package declaration

fix: restore package declaration

fix: restore package declaration

fix: restore package declaration

fix: restore package declaration

fix: restore package declaration

fix: restore package declaration (first char was stripped)

fix: remove duplicate statusText function (exists in statuscodes.go)

feat: use Google S2 for all website favicons, remove HTML scraping

fix: remove deleted api/url import, inline normalizeURL

fix: remove deleted api/url import, inline normalizeURL

remove: delete Opera support from scrape

remove: delete Opera support

refactor: use GitHub API instead of Jina scraping

change: timeout 1500ms -> 2s

fix: remove deleted url/validate imports, inline normalize

fix: remove deleted url/validate imports