jzombie / rust-muxio / 32310635146

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feat(core): [breaking-change] Remove frame timestamp and silence transport logs (#103)

Fixes #103 — downstream LevelFilter::DEBUG consumers (notably term-wm's 2000-line in-app Debug Log) were hammered at ~50–150 ms by per-request RpcDispatcher logs, and every muxio frame paid an unused 8-byte timestamp_micros.

Breaking Change
Frame header 21 → 13 bytes (core/src/frame): timestamp_micros removed. Wire is incompatible with ≤0.14.x (old 21-byte headers now CorruptFrame). Saves ~38% header overhead on every Open/Data/End/Cancel chunk. chrono + utils::now removed; ordering/reassembly stays via stream_id + seq_id in FrameMuxStreamDecoder, so reliable delivery (including future UDP via seq_id ACKs) is unaffected. Re-add as optional extension if latency metrics are needed.
Changed
muxio-core transport logs DEBUG → TRACE (RpcDispatcher::init_catch_all_response_handler): Added request/Appended bytes/Payload chunk/Request finalized/End event now TRACE with target = "muxio_rpc_service::transport" and structured id/bytes. Hidden by default; re-enable with RUST_LOG=muxio_rpc_service::transport=trace. Reduces term-wm spam from ~20 req/s to 0 at DEBUG.
Removed unused tokio-tungstenite from muxio-tokio-rpc-server — server uses axum::extract::ws (transitive tungstenite); cargo-udeps clean. Client retains it for connect_async.
Dependencies
tokio 1.52.3 → 1.53.1, tokio-tungstenite 0.29.0 → 0.30.0 / tungstenite 0.30.0 (sha1 0.11.0, block-buffer 0.12.1, crypto-common 0.2.2, digest 0.11.3, const-oid 0.10.2, hybrid-array 0.4.14), interprocess 2.4.2 → 2.4.3, async-trait 0.1.89 → 0.1.91, xxhash-rust 0.8.17 → 0.8.18 (Cargo.lock).

Version
Bump workspace 0.14.1-alpha → 0.15.0-alpha.

Testing
cargo check --workspace, cargo test --workspace (muxio + term-wm via patch.crates-io), frame_stream_tests:6 + muxio-core:3 pass; term-wm Debug Log no longer churns at DEBUG.
One-liner alternative title if you want it minimal: feat(core)!: BREAKING frame header 21→13 and TRACE transport logs

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