Prevent response modifiers that require body rewriting from running when
the body rewrite gate blocks buffering (for example, chunked transfer
encoding).
Add an explicit `requiresBodyRewrite` capability and implement it for
HTML/theme/error-page modifiers, including bypass delegation.
Also add a regression test to ensure the original response body remains
readable and is not closed prematurely when rewrite is blocked.
This commit fixeds the "http: read on closed response body" with empty page error
happens when body-rewriting middleware (like themed) runs on responses where body rewrite is blocked (e.g. chunked),
then the gate restores an already-closed original body.
* refactor: simplify io code and make utils module independent
* fix(docker): agent and socket-proxy docker event flushing with modified reverse proxy handler
* refactor: remove unused code
* refactor: remove the use of logging module in most code
* refactor: streamline domain mismatch check in certState function
* tweak: use ecdsa p-256 for autocert
* fix(tests): update health check tests for invalid host and add case for port in host
* feat(acme): custom acme directory
* refactor: code refactor and improved context and error handling
* tweak: optimize memory usage under load
* fix(oidc): restore old user matching behavior
* docs: add ChatGPT assistant to README
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Co-authored-by: yusing <yusing@6uo.me>
