## v4.0.7: the server-response excerpt (2026-10-02)

v4.0.7: the server-response excerpt (2026-10-02)

Third port from the October 2 sync's deferred list: NNW 49dbebf67, HTTP error responses carry up to 500 characters of their body into the error logs, because the body usually says what the server didn't like. 261 tests; clippy -D warnings clean.

• Changed: when a feed fetch answers with an HTTP error, the RUST_LOG warning and the Activity Log row now show what the server said, not just the code: "Feed HTTP 503 … -- server response: gateway timeout" in the log, "HTTP 503 · server response: gateway timeout" in the dialog. Upstream attaches the excerpt at its shared HTTP-validation layer (WebserviceError.httpError gained responseBody); ours is captured on the feed-fetch path, where any status outside the valid 200–399 window reads only a capped 8 KB prefix of the error body (the full response is never buffered, and the feed body stays empty on those statuses). The excerpt is strict-UTF-8 decoded (a binary body yields no excerpt, matching upstream's String(data:encoding:) nil), whitespace-collapsed through a byte-level port of RSCore's collapsingWhitespace (runs become one space, ends trimmed, non-ASCII untouched), and cut at 500 characters on a char boundary; a multi-byte character split by the read cap is trimmed rather than failing the decode.
• Changed: the Inoreader path gained the same treatment. NetworkError::HttpStatus now carries response_body (status_error reads the same capped prefix), and the "Sync failed" activity detail appends -- server response: … exactly where upstream's AccountError.message does. Classification logic everywhere keys on the status only, never the body: the 429 pause, the 401/403 write-token retry, and every other status branch are untouched.
• Fixed (edge): an error response whose body previously tripped the 10 MB feed cap, or whose read died mid-body, surfaced as a network error with no recorded status. It now surfaces as the HTTP error it is, with last_response_code and last_check_date recorded. Pinned by integration_http_error_excerpt.rs (collapsed 503 page, empty 500 body, and a >8 KB body) plus unit tests for the collapse, the char-boundary cut, and the non-UTF-8 reject.