v0.29.3

AGENTS.md

@@ -2,7 +2,7 @@
 
 Read README.md, ROADMAP.md and docs/TEST_REPORT.md before making changes.
 The project name is RustProxy; the Cargo package/binary remains `rust-proxy` for
-compatibility. Current source version: 0.29.2.
+compatibility. Current source version: 0.29.3.
 
 ## Delivery
 

CHANGELOG.md

@@ -4,6 +4,13 @@
 > test-only changes and packaging implementation notes were moved to
 > [`docs/CHANGELOG_TECHNICAL_ARCHIVE.md`](docs/CHANGELOG_TECHNICAL_ARCHIVE.md).
 
+## 0.29.3
+
+- Fix internal error fallback on empty GET/HEAD requests over HTTP/2 and HTTP/3 with unknown body length; safely probe truly empty bodies without replaying nonempty or unbounded payloads.
+- Preserve the final status and response body of the internal fallback target, including its own 404 HTML, without overwriting it with RustProxy's global error page; warn when a named fallback location is missing.
+- Add Rust regression tests for empty H2/H3 GET/HEAD, nonempty unknown-length request bodies, unbounded POST, and fallback error-page precedence. Rust compilation and live proxy verification remain pending in this build environment.
+- Retain SQLite schema 9, Cold Cache format 3 and saved-configuration compatibility with 0.29.2.
+
 ## 0.29.2
 
 - Debian install/update now deploys managed logrotate policy (14 daily rotations, 100 MB max, compressed, copytruncate) and repairs the shell PATH profile on upgrade.

Cargo.lock

@@ -1688,7 +1688,7 @@ dependencies = [
 
 [[package]]
 name = "rust-proxy"
-version = "0.29.2"
+version = "0.29.3"
 dependencies = [
  "anyhow",
  "arc-swap",

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "rust-proxy"
-version = "0.29.2"
+version = "0.29.3"
 edition = "2021"
 rust-version = "1.88"
 description = "RustProxy - independent reverse proxy with local administration"

README.md

@@ -1,9 +1,9 @@
-# RustProxy 0.29.2
+# RustProxy 0.29.3
 
 Independent Rust reverse proxy and static Web Server with a dashboard, SQLite configuration,
 streaming HTTP/TLS/WebSocket forwarding, raw TCP/UDP stream hosts, IP-bound vhosts and backend pools.
 
-**0.29.2 release source.**
+**0.29.3 release source.**
 
 ## Layer-4 streams
 
@@ -11,7 +11,13 @@ Raw TCP/UDP forwarding has its own **Streams** page in the primary navigation, a
 
 Named HTTP/HTTPS listener bind addresses use the same chip-style editor as vhost hostnames, including multi-address listeners.
 
-## What changed in 0.29.2
+## What changed in 0.29.3
+
+- Fix internal error fallback for empty GET/HEAD requests over HTTP/2 or HTTP/3 with unknown body-length hints by safely checking if the body stream is empty; nonempty and unbounded bodies remain protected from unsafe replay.
+- Preserve the final status, headers and HTML returned by the internal fallback location, including its own 404 page, instead of replacing it with RustProxy's global error page. Warn when a named internal target cannot be found.
+- Add Rust regression tests for empty H2/H3 GET/HEAD, unknown-length request bodies and response precedence. These Rust tests require a Cargo-enabled environment before production deployment.
+
+## Previously in 0.29.2
 
 - Add Nginx-style **internal error fallbacks** for the vhost source and Custom locations. Configured upstream/Web Server statuses can internally hand the original method, URI, query string and request context to an `internal` Custom location without an HTTP redirect. Supported bounded statuses are `403/404/500/502/503/504`; configuration cycles are rejected and runtime dispatch has a depth limit.
 - Execute error fallback before an intercepted response is finalized or cached. The target location re-enters the normal vhost/location pipeline, including ACL, headers, compression, cache policy and response processing. Request bodies are replayed only when safely bounded and replayable; otherwise the original error is retained.
@@ -19,7 +25,7 @@ Named HTTP/HTTPS listener bind addresses use the same chip-style editor as vhost
 - Add streaming **multipart byte-range** responses for requests such as `Range: bytes=0-99,200-299`, with a maximum of 16 ranges and identity representation for multipart responses.
 - Add opt-in PHP-FPM **PATH_INFO** splitting. With `path_info: true`, `/index.php/foo/bar` securely resolves the existing `index.php` script, keeps `SCRIPT_FILENAME` on that file and sends `/foo/bar` as `PATH_INFO`.
 
-0.29.2 keeps SQLite schema 9 and Cold Cache format 3. Existing 0.29.0 configuration remains compatible; new fields use safe/default-off serde defaults. Historical details are in [CHANGELOG.md](CHANGELOG.md).
+0.29.3 keeps SQLite schema 9 and Cold Cache format 3. Existing 0.29.0 configuration remains compatible; new fields use safe/default-off serde defaults. Historical details are in [CHANGELOG.md](CHANGELOG.md).
 
 ### Historical 0.26.7 release notes
 

ROADMAP.md

@@ -1,5 +1,15 @@
 # RustProxy roadmap
 
+## 0.29.3 - HTTP/2 and HTTP/3 internal fallback stabilization
+
+Current direction: 0.29.2 -> 0.29.3
+
+- [x] Allow empty GET/HEAD bodies with unknown length hints to enter the internal error fallback path.
+- [x] Preserve the final internal fallback response, including the fallback backend's HTML on HTTP 404.
+- [x] Add Rust regression tests for fallback dispatch, request-body safety and error-page precedence.
+- [ ] Run Rust unit tests, build and end-to-end HTTP/2/HTTP/3 fallback acceptance on a compiler-equipped machine.
+- [x] Preserve SQLite schema 9 and Cold Cache format 3 without configuration migrations.
+
 ## 0.29.2 - PHP-FPM operator controls and observability
 
 - [x] Add bounded, operator-only PHP_ADMIN_VALUE INI overrides per Web Service.

SHA256SUMS

@@ -1,13 +1,13 @@
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 4140a2956264b44f259e6a37fc00ba02097bbe68b09296e04d3d243c1287129b  .env.example
 9e6356475bf587091bab72246ec9e325b498f7e48a6220e9a18baa50d0a385a6  .gitignore
-6168eae7ed217707898df7041be628b3d24b7dfa51f4aa5b3c5d7f7238e33c37  AGENTS.md
+8e809683178496518f708eaa180d9f29023426d73657a908d3dd3102bac1de4d  AGENTS.md
-db6548b334df4476717cc4fbae4d61b4e20ca05733cb66f56f06e68d2306cf61  CHANGELOG.md
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-d81f6b20d330b8b67202f9736b5dc8f6314522c3f013895065452bfbb49809fa  Cargo.lock
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-005ba4b3bd3bf5555b74448065a7a6012d7b944534a8bca04c1658031d978bbe  Cargo.toml
+e5647cd8a0998d3fff7e8a9ef3753dac28edc8280c377d516ad9c33e617a9a00  Cargo.toml
 75b008f237b2226c62a7721b7901018ce83bfc2726f047a83a17c66fcb799f3b  Dockerfile
-46005f2fb18f4b737a9db696ad9e68175a53e006a7bac590a47bee9658d010f2  README.md
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-e63a65964f5c8bb244afafcaaed4dcce2d8d9e161cfb0730f399c4e786988ab5  ROADMAP.md
+13bde8e3830c2611ac4f2aac2dbcd6d39318196b56a6d70023b18dda9daa7fb5  ROADMAP.md
 da8311e3db945290666324a2f24bf4521b365272d7ac3f862ded1be993eea646  UPDATE_CHECK.toml
 f645f218dd062bf6cb54a8ee634290562cad364a4cccf09f16e3c8303582af8c  build.rs
 ea8d091843f86f4c66a5c76b20268b2feb397070851b6e05c5bc7d7a8d9157eb  deploy/README.md
@@ -21,7 +21,7 @@ bf687a851374d8f1fa59d050f3f76532f7c12f16a6daa7d3c36102c2d9a8ec9c  docker-agent/d
 9d77c90767fa929ee8338734d72ce83284d3d965673270f62cb2b1613d587a33  docker-agent/install.sh
 b68234472bec5cedd67c7cfe1de7d8806a965dfd4101f944aa6320132f18c14e  docker-agent/main.go
 3d4051a1f805d145df3877476e4b87773e74be8e123045065955a5133afdc68c  docker-agent/main_test.go
-ee4f99b6256713b346453789c78a40dd8eea267fc3179d72e2a3c834476b9749  docker-agent/model.go
+68ad007eac216f115809695d3c2c6651e2850ff3d7334685ae6e49bc21b01087  docker-agent/model.go
 e52b31d0abf65ae3034f6cb367cca113633014ce8d1d799ad4dd5624d2c7b8bb  docker-agent/network.go
 634790f35ff4627df2a78cec2ed371f6e9ec9df00afb386075595fc7f3ed72eb  docker-agent/rustproxy-docker-agent.service
 5220d669171ec3ad65f50e0bc8de5178dadaa4904def8e1a4f61002aa9e9a55b  docker-agent/server.go
@@ -60,7 +60,7 @@ a2bb837cdd3559d58158880c1f832badf64035376a3623050bb4e40c2bca104c  docs/ROADMAP_H
 620b69e566d27af04f0604f4ca3f88cf95cdfea7fbc6ae9dd92446d2b2b5d9be  docs/SECURITY_AUDIT.md
 d5c5c59f6e63b8d83dad5d159657c4d4039dfeb4cc1d8af210169b576adbf7e2  docs/SETTINGS.md
 3611defd206cde107e75cac006159856d12cd8f15df7ae2eb9ec3592ed2b4abd  docs/STREAMS.md
-bbf21108ebf9e9b73f346383cae2cf33807ad250a1e1086d273e8b997e173d78  docs/TEST_REPORT.md
+24fbc7f7a4db65b14437ebaa02cb48387039ddde5f8f826e5ff116b10162235e  docs/TEST_REPORT.md
 cfb452d8496839e832b5fbacdd4e52525b0ecc3112fbb62340c1e580bd5c1717  docs/TODO.md
 8ee6187a5460ca45643b7fd789e27bffd264449e3a92ff70e9359edee011bbbb  docs/TRANSFORM.md
 660687fc961f71aae2bdf71595aa47a336fa782f4e78ceee8c1d1e63e46393ee  docs/TRANSPORT.md
@@ -182,7 +182,7 @@ e9f72e65c9ceb255248f460cd7a003fff33e4b258160e248353c3e1fb4e952fb  src/admin/file
 1596561bb57976268b02e36e8ace426091045ee9d3f8832ce775eccdbc30bc81  src/admin/file_logs_io.rs
 de331ab75c31df65a4f0f1607dbfb26972799bff5d9f232d8e914c38225cffc7  src/admin/logging_api.rs
 58802528128f53e493f7339063433a747b605007a8842b5efc670132d897d6f7  src/admin/mod.rs
-1bdda508bfcc5cb1fa88ea0ce342808f71c1929baf783cc1fac8a738147c9ff9  src/admin/openapi.json
+325ea183ae4ab6f5cf228d7027db31a2f7f08190acc709fbcc0af3f1a5de2752  src/admin/openapi.json
 6c2b9a0ecb2f4172f110a363c22a6be32895dbcff9605fe7aa94efe91e0a536a  src/admin/operations.rs
 5287fff6b3ad436ac695e9b66feb1b0b5705b744a9f00cec7ea6a3e951e5eebf  src/admin/preferences.rs
 31bd90ee5f5ec2984920225ff6b57e07db3e0758092fb55d7c230e3590c1b015  src/admin/public.rs
@@ -372,7 +372,7 @@ e03f0d6b3f35dae6b98c394837aa0d17e4d73a8306767b4c607868bc00c30286  src/prometheus
 b5856fd38a957b2ca9c7e3606d84d13d5cfcf3a45b487b15ae1d2dc248cbda57  src/proxy/body.rs
 16b9d4db3b20b2ab14c47ac14fcd18d3d8ca77c3ad9a1f37866ebfa60f379862  src/proxy/body/tests.rs
 f0cb26ed34c35bacc74b914457acac8a611390de14cf46e2e6d3bcc848e914e8  src/proxy/cache_helpers.rs
-7bb29e31861757415c9c4d34d3b0b933c67d86a5758e9bdbcde6b54b307b689a  src/proxy/error_fallback.rs
+af6885dddecef81c3b12a61e7e0bd9d77123321c5cec0e15d0e77f29e7868fed  src/proxy/error_fallback.rs
 cfb0910af8cd868bde3f6c9992319e46d5328d6d8f69c50701df0ea12bef2108  src/proxy/forward/cache_lookup.rs
 e5eec11349cda99d08b27f730202a57457fb2f48f856537b07dbda669168b5bd  src/proxy/forward/response.rs
 8ad9a8dee80a7c16a60f1dd0126790daf3cde1a13e28a2595a0ef64f3fd63792  src/proxy/forward/route_cache.rs
@@ -384,9 +384,9 @@ c438066616527a3108f2ad53e3698ae9b2a80961714394cdd0a450c92f99d992  src/proxy/head
 5cb7522ceb9a9f083a15596ac4898559295e38d1138c80099577211de8a868ec  src/proxy/headers/tests.rs
 f202c0fe0bc4e786a906d7337d368cd81bcac15ffdbbfd35d5b0d49126d9895a  src/proxy/mod.rs
 55133ceace2e5262d9c54fa41bea099a27b817d1e09c1cd0e2493fd9cee4da38  src/proxy/redirect_helpers.rs
-3c6ffd4b8578af0836976707f918d73b9516ab37d97e68744d3d608fbaa30438  src/proxy/tests/authority_tests.rs
+c3cbffe01436901190aaf88ee280279c85bdf00b560c02a04e20a267844cf39d  src/proxy/tests/authority_tests.rs
 e80c7fe44abb7607c64ea02d56542753dc25290b3bcf4c4d45b75f2db6ca90d0  src/proxy/types.rs
-ed1a4dfb68054252c3fb0b64de4dcd9ce00d394e008b79cb169012ef4075297f  src/proxy/upstream_helpers.rs
+6fb90a995dd6b81f681cd283d71f3dbea09b8dcb4a4b17a433e0213d6a55e245  src/proxy/upstream_helpers.rs
 69f775f6746b4c6d729dc10961dbef54168846f4ce9cf7fe453ab5a2b879c9b8  src/proxy/websocket.rs
 016a60b2471edd3df9bbe9f92a9cebea11047178b83ff0e3b2351c12814a4939  src/proxy/websocket/handshake.rs
 7e9c4d4c207badabf90630223964bb2ad641f06d4149843cab751f192b8b4adf  src/proxy/websocket/tests.rs
@@ -493,12 +493,12 @@ eecf680f001f2110dde4eceaccf2f922859a16c946a644f8854e8de4d3771f7c  tests/policies
 728999110a6d8cacb62bc0399bc333fa23a66526ee23f563a3c93bf00e5fad19  tests/transport_config.rs
 b04362ad082a32c9ccc4cf38c46f44d71347adecf7aba3224b3af3ea4872e3d0  tools/README.md
 358c1e94dd2b4a756430e5335747f0b437345b1713670a9972c5bcf78b837ccb  tools/audit/admin_audit.py
-fa6565e6edca33225b86a4589f9b3f0a823369069a9634825b1e0a4b2d37af31  tools/checks/check_source.py
+ecb7aee67967502c809f497478b5eb8c2ad8faf702dc5149f5829313409dc42d  tools/checks/check_source.py
-0c01cc6980d2ed09f9dab9f2985980375981bbc930e53c7179fb9016d31aea67  tools/checks/docs_check.py
+aa6b1685f19ff7ba39c48c3c53602bce5c04710d59dbd69949fcb7e66de0bf4a  tools/checks/docs_check.py
 4f7821e7e25b09ce251d25a0b3fb4d8ce8396c36a5ed971c2637aeb325425909  tools/checks/langs_check.py
 cf762780c4085791c72c3c5f93054d7f2a1107403bee0616a1f4113bbcbb99f9  tools/checks/memory_contracts.py
-c8b6981af08a78b06f7eaaa251514cec7f807a3e8508c1991049eb9d781c007a  tools/checks/preflight.py
+a7004a3ba3c954124497d171037008ddad168e14afb0dfd46d0742d017925c82  tools/checks/preflight.py
-cfa24e9792d9e151b84937ec274b23f1e266ebaee63e62056e1bdfa2fee02af1  tools/checks/release_smoke.py
+14fe411c10eadb7ce9f7385d3e62a442302c14ca9d45c956cbca1cc6a1ac9788  tools/checks/release_smoke.py
 f69845bc26ec33160fc756953991cf32aa8ad6a7fb4a131caa2093db91e783ef  tools/checks/rust_module_contracts.py
 ecfe0bb21a7549225a19b0846bb6de8c99cbfbbf5a706d33cf84db2c7146abed  tools/checks/rust_source.py
 adf84a983e0dbba228e47d71ec2d5c9964f7ca9989d5139de58f96ee961b035a  tools/checks/security_contracts.py

docs/TEST_REPORT.md

@@ -1,7 +1,19 @@
-# Verification report - RustProxy 0.29.2
+# Verification report - RustProxy 0.29.3
 
 ## Changes
 
+0.29.3 fallback correction (operator report): the replay-body guard
+treated HTTP/2 and HTTP/3 GET/HEAD bodies with unknown size hints as non-replayable,
+even when the stream was empty. The fallback guard now performs the existing
+bounded empty-body probe for GET/HEAD; a true empty stream is replayable, while
+nonempty/unknown-length request bodies are forwarded only once. The internal
+target lookup now warns when the named location cannot be resolved. Added Rust
+async regression tests for empty H2/H3 GET/HEAD, unknown-length GET payload
+preservation, and unbounded POST non-consumption. The observer also preserves the
+final internal fallback response (including its 404 HTML) instead of applying a
+second global/vhost error page; a Rust test exercises this precedence. These Rust tests have not been
+executed in this environment because Cargo is unavailable.
+
 Same-version 0.29.2 correction: Web Server main routes no longer inherit `transient_unavailable` from the vhost backend configuration. When the Web Server source has no enabled Reverse Proxy Custom Locations, backend definitions are not compiled. An enabled reverse-proxy Custom Location still compiles and uses the backend pool. Removed fallback-only Prometheus metrics, retained PHP/Web Server metrics.
 
 Validated operator-controlled PHP_ADMIN_VALUE FastCGI configuration per Web Service,
@@ -19,6 +31,12 @@ This source package is not certified for production deployment.
 
 ## Checks performed
 
+- 0.29.3 release identity: `Cargo.toml`, the root `rust-proxy` entry in `Cargo.lock`, administration OpenAPI version, README, CHANGELOG, ROADMAP, AGENTS and verification-report heading were updated to 0.29.3; the fallback source changes from the tested 0.29.2 correction are retained.
+- 0.29.3 offline validation: `python3 tools/checks/version_contracts.py`, `python3 tools/checks/check_source.py`, `python3 tools/checks/release_smoke.py` passed; `bash ./dev.sh test` passed all listed non-Rust checks and stopped at missing Cargo with exit 127. This does not constitute compilation or successful runtime testing of RustProxy 0.29.3.
+
+
+- Fallback correction: `bash ./dev.sh test` passed Rust-independent module, source, upgrade/SQLite, security, browser UI and documentation checks. It exited 127 at the missing Rust/Cargo toolchain. `bash ./dev.sh check` also exited 127 because Rust/Cargo is unavailable. The added Rust regression tests and the live HTTP/2/HTTP/3 proxy behavior remain **unverified** pending a compiler-enabled runtime and an operator test against `origin-1`/`origin-2`.
+
 - Same-version correction: `python3 tools/checks/check_source.py` and `python3 tools/checks/release_smoke.py` passed. `bash ./dev.sh test` passed the Rust-independent checks and stopped at missing Rust/Cargo (exit 127). No live 503 regression test or Rust compilation could be performed.
 
 - `./dev.sh test`: all Rust-independent release, upgrade, security, JS, UI, documentation and source checks passed; exited 127 at the missing `cargo` toolchain guard.
@@ -30,6 +48,6 @@ This source package is not certified for production deployment.
 
 Installer/update now installs /etc/logrotate.d/rustproxy using the recorded service user/group. Updates repair /etc/profile.d/rustproxy-path.sh rather than warning. logrotate uses copytruncate because RustProxy holds open log descriptors; some log records may be lost during truncate. Rust build and live Debian/systemd acceptance remain unverified in this environment.
 
-## Version identity (0.29.2 source maintenance)
+## Version identity (0.29.3 source release)
 
-`Cargo.toml` package version is the canonical release identity. Rust uses `CARGO_PKG_VERSION` at build time; `build.rs` substitutes the admin HTML placeholder. Packaging, upgrade and dev scripts read the manifest with `scripts/version.py`. Run `python3 tools/checks/version_contracts.py` to check that executable paths do not hardcode a version. Historical documentation and external dashboards may retain manually managed versions. Rust compilation/runtime verification is still pending.
+`Cargo.toml` package version is the canonical release identity (now 0.29.3). Rust uses `CARGO_PKG_VERSION` at build time; `build.rs` substitutes the admin HTML placeholder. Packaging, upgrade and dev scripts read the manifest with `scripts/version.py`. Run `python3 tools/checks/version_contracts.py` to check that executable paths do not hardcode a version. Historical documentation and external dashboards may retain manually managed versions. Rust compilation/runtime verification is still pending.

src/admin/openapi.json

@@ -2,7 +2,7 @@
   "openapi": "3.0.3",
   "info": {
     "title": "RustProxy Administration API",
-    "version": "0.29.2",
+    "version": "0.29.3",
     "description": "Administration API for the active panel origin. Sign in through the panel; the same-origin HttpOnly cookie authenticates all private operations. Mutations also require the exact Origin, X-RustProxy-Request: 1 and a session-bound X-CSRF-Token. Loopback HTTP is the default; Settings can enable HTTPS before using a non-loopback administration bind. This document contains no live configuration or credentials. Object schemas marked extensible are summaries: full configuration validation is authoritative in Rust."
   },
   "servers": [

src/proxy/error_fallback.rs

@@ -8,6 +8,11 @@ struct InternalFallbackRoute {
 #[derive(Clone)]
 struct FinalRouteContext(crate::config::CompiledRoute);
 
+/// The named location has already produced the terminal HTTP response.
+/// In particular, do not replace its 404 HTML with a global/vhost error page.
+#[derive(Clone, Copy)]
+struct ErrorFallbackResponse;
+
 #[derive(Clone)]
 struct ErrorFallbackRequest {
     method: Method,
@@ -88,6 +93,21 @@ async fn prepare_error_fallback_body(request: &mut Request, enabled: bool) -> Re
         return Ok(ErrorFallbackBody::Replayable(Bytes::new()));
     }
     let Some(length) = request.body().size_hint().exact() else {
+        // HTTP/2 and HTTP/3 frequently expose an *empty* GET/HEAD body as a
+        // stream with no exact size hint. Refusing to inspect that stream
+        // silently disables the configured 404 fallback. Only peek for safe
+        // bodyless methods; an actual payload is replayed back into the
+        // original request and is never discarded or forwarded twice.
+        if request.method() == Method::GET || request.method() == Method::HEAD {
+            return match empty_for_cache(request).await {
+                Ok(true) => Ok(ErrorFallbackBody::Replayable(Bytes::new())),
+                Ok(false) => Ok(ErrorFallbackBody::Unavailable),
+                Err(_) => Err(error(
+                    StatusCode::BAD_REQUEST,
+                    "RustProxy: invalid or incomplete request body\n",
+                )),
+            };
+        }
         return Ok(ErrorFallbackBody::Unavailable);
     };
     if length > MAX_ERROR_FALLBACK_REPLAY_BODY_BYTES {
@@ -131,6 +151,13 @@ async fn execute_error_fallback(
         .select_internal_on(host, &frontend.id, &fallback.target, local.0, tls)
         .cloned()
     else {
+        tracing::warn!(
+            vhost = %frontend.id,
+            route = %route.id,
+            target = %fallback.target,
+            status = status.as_u16(),
+            "error fallback target could not be resolved on this frontend"
+        );
         return None;
     };
     let ErrorFallbackBody::Replayable(body) = body else {
@@ -148,6 +175,7 @@ async fn execute_error_fallback(
         },
     );
     let mut response = Box::pin(forward_request(state, peer, local, request)).await;
+    response.extensions_mut().insert(ErrorFallbackResponse);
     if response.extensions().get::<FinalRouteContext>().is_none() {
         response.extensions_mut().insert(FinalRouteContext(target));
     }

src/proxy/tests/authority_tests.rs

@@ -307,3 +307,106 @@ fn upstream_uri_preserves_nested_url_query_without_rejecting_valid_separators()
     let uri = upstream_uri(backend, suffix).unwrap();
     assert_eq!(uri.path_and_query().unwrap().as_str(), suffix);
 }
+
+#[tokio::test]
+async fn error_fallback_replays_empty_unknown_length_h2_h3_get_and_head() {
+    use bytes::Bytes;
+
+    for version in [Version::HTTP_2, Version::HTTP_3] {
+        for method in [Method::GET, Method::HEAD] {
+            let stream = futures_util::stream::empty::<Result<Bytes, std::io::Error>>();
+            let mut request = Request::builder()
+                .version(version)
+                .method(method.clone())
+                .uri("https://www.example.test/missing?query=1")
+                .body(Body::from_stream(stream))
+                .unwrap();
+            assert_eq!(request.body().size_hint().exact(), None);
+            let result = match prepare_error_fallback_body(&mut request, true).await {
+                Ok(result) => result,
+                Err(response) => panic!("unexpected status {}", response.status()),
+            };
+            assert!(
+                matches!(result, ErrorFallbackBody::Replayable(ref bytes) if bytes.is_empty()),
+                "an empty {method:?} request over {version:?} should allow fallback"
+            );
+            assert!(request.body().is_end_stream());
+            assert_eq!(request.uri().path_and_query().unwrap().as_str(), "/missing?query=1");
+        }
+    }
+}
+
+#[tokio::test]
+async fn error_fallback_preserves_unknown_length_get_payload_without_replaying_it() {
+    use bytes::Bytes;
+
+    let stream = futures_util::stream::iter([Ok::<_, std::io::Error>(
+        Bytes::from_static(b"unexpected-payload"),
+    )]);
+    let mut request = Request::builder()
+        .method(Method::GET)
+        .version(Version::HTTP_3)
+        .uri("https://www.example.test/missing")
+        .body(Body::from_stream(stream))
+        .unwrap();
+    let result = match prepare_error_fallback_body(&mut request, true).await {
+        Ok(result) => result,
+        Err(response) => panic!("unexpected status {}", response.status()),
+    };
+    assert!(matches!(result, ErrorFallbackBody::Unavailable));
+    assert_eq!(
+        request.into_body().collect().await.unwrap().to_bytes(),
+        Bytes::from_static(b"unexpected-payload")
+    );
+}
+
+#[tokio::test]
+async fn error_fallback_does_not_poll_unknown_length_post_payload() {
+    use bytes::Bytes;
+
+    let stream = futures_util::stream::pending::<Result<Bytes, std::io::Error>>();
+    let mut request = Request::builder()
+        .method(Method::POST)
+        .version(Version::HTTP_2)
+        .uri("https://www.example.test/form")
+        .body(Body::from_stream(stream))
+        .unwrap();
+    let result = match prepare_error_fallback_body(&mut request, true).await {
+        Ok(result) => result,
+        Err(response) => panic!("unexpected status {}", response.status()),
+    };
+    assert!(matches!(result, ErrorFallbackBody::Unavailable));
+}
+
+#[tokio::test]
+async fn fallback_terminal_404_html_takes_precedence_over_builtin_error_page() {
+    use bytes::Bytes;
+
+    let mut response = Response::builder()
+        .status(StatusCode::NOT_FOUND)
+        .header("content-type", "text/html; charset=utf-8")
+        .body(Body::from("<html><title>ReactPHP 404</title></html>"))
+        .unwrap();
+    response.extensions_mut().insert(ErrorFallbackResponse);
+    let configured_page = crate::pages::Page {
+        kind: crate::pages::Kind::Builtin,
+        status: Some(404),
+        html: String::new(),
+    };
+    if should_replace_error_page(&response, false) {
+        crate::pages::replace_error(&mut response, &configured_page);
+    }
+    assert_eq!(response.status(), StatusCode::NOT_FOUND);
+    assert_eq!(
+        response.into_body().collect().await.unwrap().to_bytes(),
+        Bytes::from_static(b"<html><title>ReactPHP 404</title></html>")
+    );
+
+    // A normal response with no fallback is still eligible for the configured
+    // global/vhost error-page replacement.
+    let response = Response::builder()
+        .status(StatusCode::NOT_FOUND)
+        .body(Body::empty())
+        .unwrap();
+    assert!(should_replace_error_page(&response, false));
+}

src/proxy/upstream_helpers.rs

@@ -11,6 +11,15 @@ fn request_id_hash(sequence: u64) -> String {
     format!("{:x}", hash.finalize())
 }
 
+fn should_replace_error_page(response: &Response, minimal_welcome: bool) -> bool {
+    !minimal_welcome
+        && response.extensions().get::<ErrorFallbackResponse>().is_none()
+        && response
+            .extensions()
+            .get::<crate::tinyauth::AuthenticationFailure>()
+            .is_none()
+}
+
 async fn observe(State(state): State<Arc<App>>, mut request: Request, next: Next) -> Response {
     let snapshot = state.config.load_full();
     let (frontend_context, route_context) = response_context(&snapshot, &request);
@@ -205,12 +214,7 @@ async fn observe(State(state): State<Arc<App>>, mut request: Request, next: Next
         .as_ref()
         .and_then(|f| f.pages.errors.get(&code))
         .or_else(|| snapshot.envelope.config.pages.errors.get(&code));
-    if !minimal_welcome
+    if should_replace_error_page(&response, minimal_welcome) {
-        && response
-            .extensions()
-            .get::<crate::tinyauth::AuthenticationFailure>()
-            .is_none()
-    {
         if let Some(page) = custom_error {
             crate::pages::replace_error(&mut response, page);
         }

tools/checks/check_source.py

@@ -24,7 +24,7 @@ def read_docker_agent_source() -> str:
 
 preflight(root)
 manifest = tomllib.loads((root / "Cargo.toml").read_text())
-assert manifest["package"]["version"] == "0.29.2"
+assert manifest["package"]["version"] == "0.29.3"
 assert manifest["dependencies"]["quinn"]["version"] == "0.11.12"
 h3dep = manifest["dependencies"]["h3"]
 assert h3dep["package"] == "hpx-h3" and h3dep["version"] == "=2.5.19" and "quinn" in h3dep["features"]
@@ -32,14 +32,14 @@ assert "h3-quinn" not in manifest["dependencies"]
 lock_path = root / "Cargo.lock"
 if lock_path.exists():
     lock = lock_path.read_text()
-    assert 'name = "rust-proxy"\nversion = "0.29.2"' in lock
+    assert 'name = "rust-proxy"\nversion = "0.29.3"' in lock
     assert 'name = "systemstat"' in lock and 'name = "metrics-process"' in lock and 'name = "sysinfo"' in lock, "Cargo.lock must be resolver-generated after adding cross-platform statistics libraries"
 for release_doc, marker in {
-    "README.md": "# RustProxy 0.29.2",
+    "README.md": "# RustProxy 0.29.3",
-    "CHANGELOG.md": "## 0.29.2",
+    "CHANGELOG.md": "## 0.29.3",
-    "ROADMAP.md": "## 0.29.2",
+    "ROADMAP.md": "## 0.29.3",
-    "AGENTS.md": "Current source version: 0.29.2.",
+    "AGENTS.md": "Current source version: 0.29.3.",
-    "docs/TEST_REPORT.md": "# Verification report - RustProxy 0.29.2",
+    "docs/TEST_REPORT.md": "# Verification report - RustProxy 0.29.3",
 }.items():
     assert marker in (root / release_doc).read_text(), f"stale release identity in {release_doc}"
 assert tomllib.loads((root / "rust-toolchain.toml").read_text())["toolchain"]["channel"] == "stable"
@@ -285,7 +285,7 @@ assert 'Opt-in health decisions based on ordinary user traffic. Defaults to disa
 assert '"force_ssl"' in openapi and '"forward_client_ip"' in openapi
 assert '"backend_header"' in openapi and '"backend_timing_header"' in openapi
 assert '"StreamMetrics"' in openapi and '"streams"' in openapi
-for marker in ['"version": "0.29.2"', '"/api/traffic"', '"capture_user_agent"', '"capture_country"', '"hot_auto_trim_enabled"', '"hot_auto_trim_after_seconds"', '"hot_auto_trim_target_percent"', '"/api/config/{section}"', '"ConfigSectionUpdate"', '"cold_on_idle"', '"cold_on_age"', '"cold_max_hot_seconds"', '"cold_on_lru"', '"cold_on_shutdown"', '"cold_gc_interval_seconds"', '"cold_gc_max_delete"', '"collapse_enabled"', '"collapse_wait_timeout_ms"', '"collapse_timeout_fallback"', '"stale_if_error_timeout"', '"stale_if_error_connection"', '"stale_if_error_dns"', '"stale_if_error_tls"', '"stale_if_error_statuses"', '"proactive_refresh_enabled"', '"proactive_refresh_before_expiry_seconds"', '"proactive_refresh_percent"', '"proactive_refresh_max_inflight"', '"TransformSettings"', '"TransformOverrides"', '"/api/cache/cold/cleanup"', '"/api/cache/invalidate"', '"/api/cache/bans"', '"/api/cache/bans/{id}"', '"CacheInvalidationRequest"', '"CacheInvalidationResponse"', '"ColdCleanupJob"', '"match_type"', '"regex_insensitive"', '"rewrite"', '"response"', '"covered_hosts"', '"default": true']:
+for marker in ['"version": "0.29.3"', '"/api/traffic"', '"capture_user_agent"', '"capture_country"', '"hot_auto_trim_enabled"', '"hot_auto_trim_after_seconds"', '"hot_auto_trim_target_percent"', '"/api/config/{section}"', '"ConfigSectionUpdate"', '"cold_on_idle"', '"cold_on_age"', '"cold_max_hot_seconds"', '"cold_on_lru"', '"cold_on_shutdown"', '"cold_gc_interval_seconds"', '"cold_gc_max_delete"', '"collapse_enabled"', '"collapse_wait_timeout_ms"', '"collapse_timeout_fallback"', '"stale_if_error_timeout"', '"stale_if_error_connection"', '"stale_if_error_dns"', '"stale_if_error_tls"', '"stale_if_error_statuses"', '"proactive_refresh_enabled"', '"proactive_refresh_before_expiry_seconds"', '"proactive_refresh_percent"', '"proactive_refresh_max_inflight"', '"TransformSettings"', '"TransformOverrides"', '"/api/cache/cold/cleanup"', '"/api/cache/invalidate"', '"/api/cache/bans"', '"/api/cache/bans/{id}"', '"CacheInvalidationRequest"', '"CacheInvalidationResponse"', '"ColdCleanupJob"', '"match_type"', '"regex_insensitive"', '"rewrite"', '"response"', '"covered_hosts"', '"default": true']:
     assert marker in openapi, marker
 for marker in ['"NotFoundHost"', '"not_found_hosts"', '"PrometheusSettings"', '"allow_trusted_network_without_token"', '"include_docker_vhosts"', '"include_streams"', '"include_logging"']:
     assert marker in openapi, marker
@@ -1396,7 +1396,7 @@ assert '"error_log" => {' not in admin_0241 and 'request("/api/config/error_log"
 assert '"error_log"' in openapi and 'logging, error_log, forwarding' not in openapi
 assert 'logging_section_persists_error_log_settings_atomically' in admin_0241 and 'error_log_is_not_a_standalone_configuration_section' in admin_0241
 assert 'location.pathname === "/logging"' in settings_js_0241
-assert '"RuntimeInformation"' in openapi and '"version": "0.29.2"' in openapi
+assert '"RuntimeInformation"' in openapi and '"version": "0.29.3"' in openapi
 
 # 0.24.1 compiler and hostname-cardinality regressions.
 tls_0241 = rust_source(root, "src/tls.rs")
@@ -1518,7 +1518,7 @@ assert 'listener-active-item' in runtime_web_0280 and 'listener-active-feature'
 assert 'cache-via-enabled' in cache_web_0280 and 'via_header:' in cache_web_0280
 assert 'location-header-direction location-header-editor' in vhost_core_0280
 
-# 0.29.2 internal-error/multipart/PATH_INFO contracts.
+# 0.29.3 internal-error/multipart/PATH_INFO contracts.
 vhost_model_0291 = rust_source(root, "src/vhost.rs")
 vhost_validation_0291 = rust_source(root, "src/vhost/validation.rs")
 config_snapshot_0291 = rust_source(root, "src/config/internal_routing.rs")
@@ -1635,5 +1635,5 @@ for marker_0282 in [
 assert 'Zewnętrzne ścieżki plików' in (root / 'langs/pl_pl.json').read_text()
 assert 'setfacl -m u:rustproxy:--x /etc/ssl/' in (root / 'docs/V0.28.2_IMPLEMENTATION.md').read_text()
 
-print("PASS: 0.29.2 manifest/package, shared system-statistics/runtime metadata, Settings logging, retained H2, external-packaging/Grafana/Prometheus/404-host/custom-location/path/cache/dashboard/Nagios UI/source contracts, stopped legacy-renewal removal, session/admin/transport contracts, deterministic package source and embedded SQLite schema-v9 migrations.")
+print("PASS: 0.29.3 manifest/package, shared system-statistics/runtime metadata, Settings logging, retained H2, external-packaging/Grafana/Prometheus/404-host/custom-location/path/cache/dashboard/Nagios UI/source contracts, stopped legacy-renewal removal, session/admin/transport contracts, deterministic package source and embedded SQLite schema-v9 migrations.")
 print("NOT VERIFIED: Rust parsing, types, compilation, linking or runtime behavior. Run ./dev.sh test.")

tools/checks/docs_check.py

@@ -1,5 +1,5 @@
 #!/usr/bin/env python3
-"""Rust-independent documentation/Reader consistency checks for the 0.29.2 release."""
+"""Rust-independent documentation/Reader consistency checks for the 0.29.3 release."""
 from pathlib import Path
 import re
 from rust_source import rust_source
@@ -64,11 +64,11 @@ assert '"/docs/content.json"' in admin
 readme = (ROOT / "README.md").read_text(encoding="utf-8")
 roadmap = (ROOT / "ROADMAP.md").read_text(encoding="utf-8")
 changelog = (ROOT / "CHANGELOG.md").read_text(encoding="utf-8")
-assert readme.startswith("# RustProxy 0.29.2")
+assert readme.startswith("# RustProxy 0.29.3")
 assert "docs/WEB_SERVER.md" in readme and "docs/README.md" in readme
 assert readme.count("## What changed in ") == 1, "README duplicates historical release notes; use CHANGELOG/archive"
 assert "## Release history" in readme and "docs/ROADMAP_HISTORY.md" in readme
-assert roadmap.startswith("# RustProxy roadmap") and "## 0.29.2" and "## 0.29.1" in roadmap and "## 0.29.0" in roadmap and "## 0.28.2" in roadmap and "## 0.28.1" in roadmap and "## 0.27.3" in roadmap and "## 0.27.2" in roadmap and "## 0.27.1" in roadmap and "## 0.27.0" in roadmap and "## 0.26.7" in roadmap and "## 0.26.6" in roadmap and "## 0.26.5" in roadmap and "## 0.26.4" in roadmap and "## 0.26.0" in roadmap and "## 0.25.5" in roadmap and "## 0.25.4" in roadmap and "## 0.25.3" in roadmap and "## 0.25.2" in roadmap and "## 0.25.1" in roadmap and "## 0.25.0" in roadmap
+assert roadmap.startswith("# RustProxy roadmap") and "## 0.29.3" and "## 0.29.1" in roadmap and "## 0.29.0" in roadmap and "## 0.28.2" in roadmap and "## 0.28.1" in roadmap and "## 0.27.3" in roadmap and "## 0.27.2" in roadmap and "## 0.27.1" in roadmap and "## 0.27.0" in roadmap and "## 0.26.7" in roadmap and "## 0.26.6" in roadmap and "## 0.26.5" in roadmap and "## 0.26.4" in roadmap and "## 0.26.0" in roadmap and "## 0.25.5" in roadmap and "## 0.25.4" in roadmap and "## 0.25.3" in roadmap and "## 0.25.2" in roadmap and "## 0.25.1" in roadmap and "## 0.25.0" in roadmap
 assert "## 0.24." not in roadmap and "## Web Server follow-up" in roadmap and "docs/ROADMAP_HISTORY.md" in roadmap
 assert changelog.startswith("# Changelog\n")
 for release in ["0.29.1", "0.29.0", "0.28.2", "0.28.1", "0.28.0", "0.27.3", "0.27.2", "0.27.1", "0.27.0", "0.26.7", "0.26.6", "0.26.5", "0.26.4", "0.26.1", "0.26.0", "0.25.6", "0.25.5", "0.25.4", "0.25.3"]:

tools/checks/preflight.py

@@ -75,10 +75,10 @@ def check(root: Path, repair_known: bool = False) -> list[str]:
             raise ValueError(f"Conflicting Rust modules: {flat.relative_to(root)} and {module.relative_to(root)}")
     for path in ["src/auth/mod.rs", "src/auth/store.rs", "src/backup/snapshot.rs", "src/upstream.rs", "src/tls.rs", "src/config/internal_routing.rs", "src/proxy/websocket.rs", "src/proxy/error_fallback.rs", "src/cache/mod.rs", "src/cache/model.rs", "src/cache/lifecycle.rs", "src/cache/cold.rs", "src/cache/dashboard.rs", "src/cache/tickets.rs", "src/cache/lookup.rs", "src/cache/policy.rs", "src/cache/fill.rs", "src/cache/tests.rs", "src/settings.rs", "src/compression.rs", "src/diagnostics.rs", "src/traffic.rs", "src/system_stats/mod.rs", "src/system_stats/linux.rs", "src/vhost.rs", "src/vhost/error_fallback.rs", "src/web_server/mod.rs", "src/web_server/config.rs", "src/web_server/filesystem.rs", "src/web_server/security.rs", "src/web_server/response.rs", "src/web_server/request.rs", "src/web_server/routing.rs", "src/web_server/fastcgi.rs", "src/web_server/htaccess.rs", "src/web_server/serve.rs", "src/web_server/tests.rs", "src/balance.rs", "src/security.rs", "src/admin/web/vhosts/core.js", "src/admin/web/vhosts/editor.js", "src/admin/web/vhosts/render.js", "src/admin/web/web-server.js", "src/admin/web/streams.js", "src/admin/web/host404.js", "src/admin/web/app/core.js", "src/admin/web/app/preferences.js", "src/admin/web/app/config-history.js", "src/admin/web/app/runtime.js", "src/admin/web/app/settings.js", "src/admin/web/management.js", "src/admin/web/drafts.js", "src/pages.rs", "tools/dev/mock_server.py", "tools/dev/mock_auth.py", "src/forwarding.rs", "src/tinyauth.rs", "src/http3.rs", "src/stream.rs", "src/admin/web/integrations.js", "src/admin/web/traffic-panel.js", "src/prometheus.rs", "src/admin/web/settings.js", "src/admin/web/docker.js", "src/docker.rs", "docker-agent/main.go", "docker-agent/model.go", "docker-agent/docker.go", "docker-agent/network.go", "docker-agent/certificate.go", "docker-agent/server.go", "docker-agent/main_test.go", "docker-agent/rustproxy-docker-agent.service", "docker-agent/install.sh", "docs/DOCKER_DISCOVERY.md", "docs/WEB_SERVER.md", "docs/PHP_FPM.md", "docs/README.md", "docs/TODO.md", "docs/V0.25.5_AUDIT.md", "docs/V0.25.4_AUDIT.md", "docs/V0.25.3_AUDIT.md", "docs/V0.25.2_AUDIT.md", "docs/CHANGELOG_TECHNICAL_ARCHIVE.md", "docs/ROADMAP_HISTORY.md", "tools/checks/docs_check.py", "tools/checks/web_server_contracts.py", "tools/checks/rust_source.py", "tools/checks/rust_module_contracts.py", "tools/checks/source_module_contracts.py", "scripts/runtime/acme_provider.py", "src/basic_auth.rs", "scripts/deploy/deploy.py", "scripts/deploy/deploy_core.py", "scripts/deploy/deploy_runtime.py", "scripts/migration/migrate_npm.py", "scripts/migration/migrate_npm_core.py", "scripts/migration/migrate_npm_api.py", "docs/NPM_MIGRATION.md", "docs/STREAMS.md", "install.sh", "install-debian13.sh", "update.sh", "build.rs", "scripts/build/swagger_assets.py", "src/admin/documentation.rs", "src/admin/openapi.json", "langs/en_US.json", "langs/pl_pl.json", "Dockerfile", ".dockerignore", "docs/CONTAINER.md", "docs/PROMETHEUS.md", "docs/NOT_FOUND_HOSTS.md", "grafana/rustproxy-overview.json"]:
         if not (root / path).is_file():
-            raise ValueError(f"Incomplete RustProxy 0.29.2 source tree: missing {path}")
+            raise ValueError(f"Incomplete RustProxy 0.29.3 source tree: missing {path}")
     text = (root / "src/lib.rs").read_text(encoding="utf-8")
     if '#[path = "auth/mod.rs"]' not in text:
-        raise ValueError("src/lib.rs is not the 0.29.2 entry point; extract the complete package, not individual files.")
+        raise ValueError("src/lib.rs is not the 0.29.3 entry point; extract the complete package, not individual files.")
     return messages
 
 

tools/checks/release_smoke.py

@@ -135,7 +135,7 @@ def upgrade_smoke(tmp: Path) -> None:
     assert backup.is_dir()
     assert (backup / "src/obsolete.rs").is_file()
     assert not (target / "src/obsolete.rs").exists()
-    assert 'version = "0.29.2"' in (target / "Cargo.toml").read_text(encoding="utf-8")
+    assert 'version = "0.29.3"' in (target / "Cargo.toml").read_text(encoding="utf-8")
     assert (target / "data/keep.txt").read_text(encoding="utf-8") == "preserve\n"
     assert (target / ".env").read_text(encoding="utf-8") == "RUST_PROXY_DEMO=0\n"
     assert (target / "langs/site.json").is_file()
@@ -146,7 +146,7 @@ def upgrade_smoke(tmp: Path) -> None:
     assert (target / "docker-agent/certificate.go").is_file()
     assert (target / "docker-agent/server.go").is_file()
     manifest = json.loads((backup / "upgrade.json").read_text(encoding="utf-8"))
-    assert manifest["to_version"] == "0.29.2"
+    assert manifest["to_version"] == "0.29.3"
     assert manifest["removed_obsolete_runtime_state"] is True
     assert not legacy.exists()
     assert not (backup / "legacy-data").exists()
@@ -619,7 +619,7 @@ def source_contract_smoke() -> None:
         assert marker in admin, marker
     anonymous_block = admin.split("fn anonymous_allowed", 1)[1].split("const CERTIFICATE_API_KEY_HEADER", 1)[0]
     assert '"/api/status"' not in anonymous_block
-    assert '"RuntimeInformation"' in openapi_0241 and '"version": "0.29.2"' in openapi_0241
+    assert '"RuntimeInformation"' in openapi_0241 and '"version": "0.29.3"' in openapi_0241
     assert 'id="panel-logging"' not in html
     for marker in ['id="settings-tab-logging"', 'id="settings-page-logging"', 'id="logging-form"', 'id="error-log-form"']:
         assert marker in html, marker
@@ -1109,7 +1109,7 @@ def source_contract_smoke() -> None:
     assert '.managed-update' in main and "flush_hot_to_cold_for_update" in main
     openapi = (ROOT / "src/admin/openapi.json").read_text(encoding="utf-8")
     assert '"/api/config/history/restore"' in openapi
-    for marker in ['"version": "0.29.2"', '"memory_preset"', '"cold_preset"', '"memory_budget_bytes"', '"max_inflight"', '"preset"', '"session_days"', '"session_lifetime_seconds"', '"accept_local_listener_risk"', '"backend_header"', '"backend_timing_header"', '"cold_on_age"', '"match_type"', '"regex_insensitive"', '"NotFoundHost"', '"not_found_hosts"', '"PrometheusSettings"', '"allow_trusted_network_without_token"', '"include_docker_vhosts"', '"include_streams"', '"include_logging"']:
+    for marker in ['"version": "0.29.3"', '"memory_preset"', '"cold_preset"', '"memory_budget_bytes"', '"max_inflight"', '"preset"', '"session_days"', '"session_lifetime_seconds"', '"accept_local_listener_risk"', '"backend_header"', '"backend_timing_header"', '"cold_on_age"', '"match_type"', '"regex_insensitive"', '"NotFoundHost"', '"not_found_hosts"', '"PrometheusSettings"', '"allow_trusted_network_without_token"', '"include_docker_vhosts"', '"include_streams"', '"include_logging"']:
         assert marker in openapi, marker
     assert '"software_update"' in openapi and '"update_available"' in openapi
     for marker in ['"/api/certificates/deploy"', '"CertificateDeploy"', '"CertificateDeployResult"', '"/api/certificates/reload"']:
@@ -1314,7 +1314,7 @@ def main() -> None:
     source_contract_smoke()
     container_contract_smoke()
     grafana_contract_smoke()
-    print("PASS: 0.29.2 SQLite/schema-9/upgrade, local-response 404 hosts, Prometheus/Grafana diagnostics, external Debian-packaging separation, cache/dashboard/logging/Nagios, retained admin/H3/stream/TLS contracts and reproducible source archives.")
+    print("PASS: 0.29.3 SQLite/schema-9/upgrade, local-response 404 hosts, Prometheus/Grafana diagnostics, external Debian-packaging separation, cache/dashboard/logging/Nagios, retained admin/H3/stream/TLS contracts and reproducible source archives.")
 
 
 if __name__ == "__main__":