- Updated all references from v6 to v7 for `github.com/router-for-me/CLIProxyAPI`. - Ensured consistency in imports within core libraries, tests, and integration tests. - Added missing tests for new features in Redis Protocol integration.
CPA previously stripped ALL response headers from upstream AI provider APIs, preventing clients from seeing rate-limit info, request IDs, server-timing and other useful headers. Changes: - Add Headers field to Response and StreamResult structs - Add FilterUpstreamHeaders helper (hop-by-hop + security denylist) - Add WriteUpstreamHeaders helper (respects CPA-set headers) - ExecuteWithAuthManager/ExecuteCountWithAuthManager now return headers - ExecuteStreamWithAuthManager returns headers from initial connection - All 11 provider executors populate Response.Headers - All handler call sites write filtered upstream headers before response Filtered headers (not forwarded): - RFC 7230 hop-by-hop: Connection, Transfer-Encoding, Keep-Alive, etc. - Security: Set-Cookie - CPA-managed: Content-Length, Content-Encoding
