Counter

GET /
	Returns: 200 text/plain (this documentation)

GET /?domain=<domain>
	domain is required
	Returns: 200 application/json { "domain": string, "totalVisits": number, "paths": [...], "referrers": [...], "dailyCounts": [...] }
	Errors: 400 { "error": "domain is required" }

GET /?domain=<domain>&path=<path>
	domain is required
	path is optional
	Returns: 200 application/json { "domain": string, "path": string, "totalVisits": number, "referrers": [...], "dailyCounts": [...] }
	Errors: 400 { "error": "domain is required" } or { "error": "path is invalid" }

POST /
	Content-Type: application/json
	Body: { "domain": string, "path"?: string, "title"?: string, "referrer"?: string, "type": "visit" }
	Returns: 200 application/json { "status": "ok" | "rejected", "totalVisits": number }
	Errors:
		400 { "error": "invalid json" }
		400 { "error": "invalid payload" }
		429 { "error": "rate limited" }

WebSocket /
	Subscribe to real-time updates for a domain/path
	Message: { "action": "subscribe", "domain": string, "path"?: string }
	Responses:
		{ "type": "snapshot", "data": stats } - initial stats snapshot
		{ "type": "increment", "domain": string, "path": string, "increment": number } - when visit recorded
		{ "type": "error", "message": string } - on invalid message

Global errors:
	429 rate limited (per-ip rate limits)
	401 blocked by reputation check (proxy/vpn/tor)
	500 { "error": "internal_error" }

Examples:
	curl "http://count.gloss.moe/?domain=example.com"
	curl "http://count.gloss.moe/?domain=example.com&path=/pricing"
	curl -X POST http://count.gloss.moe/ -H "content-type: application/json" -d '{"domain":"example.com","path":"/","type":"visit"}'