| Requirement | Target | |-------------|--------| | | Initial PDF load < 2 s on 4G, subsequent page < 500 ms | | Scalability | 10 k concurrent viewers, 100 k annotation writes/day | | Security | End‑to‑end TLS, JWT auth, PDF watermarked with userID | | Accessibility | WCAG 2.2 AA – screen‑reader friendly, keyboard navigation | | Internationalization | UI strings externalized (i18n JSON); PDF content stays original | | Compliance | GDPR‑compliant data deletion on request; no personal data stored in AI prompts |
-- Annotations (one row per user per PDF) CREATE TABLE pdf_annotations ( id UUID PRIMARY KEY, user_id UUID REFERENCES users(id), pdf_id UUID NOT NULL, -- static ID for "playground" page_number INT NOT NULL, type TEXT CHECK (type IN ('highlight','note','sketch','tag')), payload JSONB NOT NULL, -- varies by type created_at TIMESTAMP DEFAULT now(), updated_at TIMESTAMP DEFAULT now() ); playground by aron beauregard pdf
The Price of Survival: A Critical Analysis of Aron Beauregard’s Playground | Requirement | Target | |-------------|--------| | |