Release v0.3.0 — ext-zealphp replaces uopz ext-zealphp: ZealPHP's own ~650-line C extension - 8 PHP functions: override/restore + superglobals management + coroutine hooks - 53 PHP built-in function overrides (allowlist-only, no class manipulation) - Per-coroutine superglobal isolation via OpenSwoole scheduler hooks - 16 PHPT tests, proven zero-leak with Channel-synchronized interleaving - PIE-ready: pie install sibidharan/ext-zealphp Framework: - App.php auto-detects ext-zealphp > uopz fallback - superglobals(true) + enableCoroutine(true) now SAFE with ext-zealphp - composer.json: ext-uopz removed from require - setup.sh: all 3 paths (Linux/Docker/macOS) install ext-zealphp - CI: builds ext-zealphp from source in test pipeline Docs: uopz → ext-zealphp across 20+ pages, PECL → PIE, 5 new mermaid diagrams, lesson build-prep callouts, syntax highlighting fixes, stale claims removed