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feat: add simple anti-bot challenge detection to HTTP service

docs: add simple production anti-bot strategy without complex TLS impersonation

docs: add production readiness and cross-platform integration audit

fix: make static C++ linking opt-in for cross-platform app embedding

fix: restore portable reqwest HTTP service with browser-like defaults

fix: restore production-safe cross-platform reqwest backend after impersonation API audit

docs: add v6.2 changelog for Chrome TLS impersonation via rquest/BoringSSL

feat: rewrite HTTP service with full Chrome 137 TLS/H2 impersonation via rquest

feat: replace reqwest+rustls with rquest (Chrome TLS impersonation via BoringSSL)

Upload CHANGELOG-v6.1.md

Upload crates/bex-core/Cargo.toml

Upload crates/bex-core/src/config.rs

Upload crates/bex-core/src/http_service.rs

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