Root cause: Hangup had no call_id field. The relay forwarded hangups to
ALL active calls for a user. When user A hung up call 1 and user B
immediately placed call 2, the relay's processing of A's hangup would
also kill call 2 (race window ~1-2s).
Fix: add optional call_id to Hangup (backwards-compatible via serde
skip_serializing_if). When present, the relay only ends the named call.
Old clients send call_id=None and get the legacy broadcast behavior.
Also: clear pending_path_report in Hangup recv handler and
internal_deregister to prevent stale oneshot channels from blocking
subsequent call setups.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Lets a client ask its registered relay "what IP:port do you see for
me?" over the existing TLS-authenticated signal channel, returning
the client's server-reflexive address as a SocketAddr. Replaces the
need for a classic STUN deployment and becomes the bootstrap step
for future P2P hole-punching: once both peers know their own reflex
addrs, they can advertise them in DirectCallOffer and attempt a
direct QUIC handshake to each other.
Wire protocol (wzp-proto):
- SignalMessage::Reflect — unit variant, client -> relay
- SignalMessage::ReflectResponse { observed_addr: String } — relay -> client
- JSON-serde, appended at end of enum: zero ordinal concerns,
backward compat with pre-Phase-1 relays by construction (older
relays log "unexpected message" and drop; newer clients time out
cleanly within 1s).
Relay handler (wzp-relay/src/main.rs, signal loop):
- New match arm next to Ping reuses the already-bound `addr` from
connection.remote_address() and replies with observed_addr as a
string. debug!-level log on success, warn!-level on send failure.
Client side (desktop/src-tauri/src/lib.rs):
- SignalState gains pending_reflect: Option<oneshot::Sender<SocketAddr>>.
- get_reflected_address Tauri command installs the oneshot before
sending Reflect and awaits it with a 1s timeout; cleans up on
every exit path (send failure, timeout, parse error).
- recv loop's new ReflectResponse arm fires the pending sender or
emits a debug log for unsolicited responses — never crashes the
loop on malformed input.
- Integrated into invoke_handler! alongside the other signal
commands.
UI (desktop/index.html + src/main.ts):
- New "Network" section in settings panel with a "Detect" button
that displays the reflected address or a categorized warning
("register first" / "relay does not support reflection" / error).
Tests (crates/wzp-relay/tests/reflect.rs — 3 new, all passing):
- reflect_happy_path: client on loopback gets back 127.0.0.1:<its own port>
- reflect_two_clients_distinct_ports: two concurrent clients see
their own distinct ports, proving per-connection remote_address
- reflect_old_relay_times_out: mock relay that ignores Reflect —
client times out between 1000-1200ms and does not hang
Also pre-existing test bit-rot unrelated to this PR — fixed so the
full workspace `cargo test` goes green:
- handshake_integration tests in wzp-client, wzp-relay and
featherchat_compat in wzp-crypto all missed the `alias` field
addition to CallOffer and the 3-arg form of perform_handshake
plus 4-tuple return of accept_handshake. Updated to the current
API surface.
Results:
cargo test --workspace --exclude wzp-android: 386 passed
cargo check --workspace: clean
cargo clippy: no new warnings in touched files
Verification excludes wzp-android because it's dead code on this
branch (Tauri mobile uses wzp-native instead) and can't link -llog
on macOS host — unchanged status quo.
PRD: .taskmaster/docs/prd_reflect_over_quic.txt
Tasks: 39-46 all completed
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Addressed every rustc warning surfaced by \`cargo check --workspace
--release --lib --bins\` on opus-DRED-v2. Split across three
categories:
## Real bugs surfaced by the audit (fix, don't silence)
- **crates/wzp-relay/src/federation.rs** — the per-peer RTT monitor
task computed \`rtt_ms\` every 5 s and threw it on the floor. The
\`wzp_federation_peer_rtt_ms\` gauge has been registered in
metrics.rs the whole time but was never receiving samples, leaving
the Grafana panel blank. Wired it up: the task now calls
\`fm_rtt.metrics.federation_peer_rtt_ms.with_label_values(&[&label_rtt]).set(rtt_ms)\`
on every sample. Fixes three warnings (\`rtt_ms\`, \`fm_rtt\`,
\`label_rtt\` were all captured for this task and all dead).
## Dead code removal
- **crates/wzp-relay/src/federation.rs** — removed \`local_delivery_seq:
AtomicU16\` field and its initializer. It was described in comments
as "per-room seq counter for federation media delivered to local
clients" but was declared, initialized to 0, and never read or
written anywhere else. Genuine half-wired feature; deletable with
zero behavior change.
- **crates/wzp-relay/src/room.rs** — removed \`let recv_start =
Instant::now()\` at the top of a recv loop that was never read.
Separate variable \`last_recv_instant\` already measures the actual
gap that's used for the \`max_recv_gap_ms\` stat.
- **crates/wzp-client/src/cli.rs** — removed \`let my_fp = fp.clone()\`
from the signal loop setup. Cloned but never used in any match arm.
## Stub-intent warnings (underscore + explanatory comment)
- **crates/wzp-relay/src/handshake.rs** — \`choose_profile\` hardcodes
\`QualityProfile::GOOD\` and ignores its \`supported\` parameter.
Comment already documented "Cap at GOOD (24k) for now — studio
tiers not yet tested for federation reliability". Renamed to
\`_supported\`, expanded the comment to explicitly note the future
plan (pick highest supported ≤ relay ceiling).
- **crates/wzp-relay/src/federation.rs** — \`forward_to_peers\` takes
\`room_name: &str\` but only uses \`room_hash\`. The caller
(handle_datagram) passes the name for caller-site symmetry with
other helpers; kept the param shape and underscored the binding
with a comment noting it's reserved for future per-name logging.
## Cosmetic fixes
- **crates/wzp-relay/src/event_log.rs** — dropped \`use std::sync::Arc\`
(unused).
- **crates/wzp-relay/src/signal_hub.rs** — trimmed \`use tracing::{info,
warn}\` to \`use tracing::info\`. Also removed unnecessary \`mut\` on
\`hub\` binding in the \`register_unregister\` test.
- **crates/wzp-relay/src/room.rs** — trimmed \`use tracing::{debug,
error, info, trace, warn}\` to \`{error, info, warn}\`. Also removed
unnecessary \`mut\` on \`mgr\` binding in the \`room_join_leave\` test.
- **crates/wzp-relay/src/main.rs** — removed unnecessary \`mut\` on the
\`config\` destructured binding from \`parse_args()\`; and dropped
\`ref caller_alias\` from the \`DirectCallOffer\` match pattern since
the relay just forwards the full \`msg\` (caller_alias is preserved
end-to-end, we don't need to read it on the relay).
- **crates/wzp-crypto/tests/featherchat_compat.rs** — dropped
\`CallSignalType\` from a \`use wzp_client::featherchat::{...}\`
(unused in the test body). Note: this test file has pre-existing
compile errors from SignalMessage schema drift unrelated to this
sweep; that's tracked separately.
## Crate-level annotation
- **crates/wzp-android/src/lib.rs** — added
\`#![allow(dead_code, unused_imports, unused_variables, unused_mut)]\`
with a doc block explaining the crate is dead code since the Tauri
mobile rewrite. The legacy Kotlin+JNI Android app that consumed
this crate was replaced by desktop/src-tauri (live Android recv
path) + crates/wzp-native (Oboe bridge). Rather than piecemeal
cleanup of a crate that shouldn't be maintained, the whole-crate
allow keeps CI clean until someone removes the crate entirely. Kills
all 6 wzp-android warnings (4 unused imports/vars, 1 unused \`mut\`
on a JNI env param, 1 dead \`command_rx\` field) in one line.
## Not touched
- **deps/featherchat/warzone/crates/warzone-protocol/src/x3dh.rs** —
3 unused-variable warnings in \`alice_spk_secret\`, \`alice_bundle\`,
\`bob_bundle_bytes\`. This is a vendored third-party submodule;
upstream's problem, not ours. Would need to be reported to
featherchat upstream if we care.
## Verification
- \`cargo check --workspace --release --lib --bins\` → 0 warnings, 0 errors
- \`cargo check --workspace --release --all-targets\` → only the 3
featherchat submodule warnings remain, plus the pre-existing 3
broken integration tests (SignalMessage schema drift from Phase 2,
tracked separately and explicitly out of scope).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Identity (6 tests):
- Same seed → same Ed25519/X25519 keys, same fingerprint, same display
- Random seed, raw HKDF output verified
BIP39 Mnemonic (3 tests):
- Roundtrip both directions, identical strings
CallSignal Interop (4 tests):
- Offer/Answer/Hangup roundtrip through FC bincode serialization
- Signal type mapping verified
Auth Contract (2 tests):
- Request/response shapes match between WZP and FC
Uses warzone-protocol v0.0.21 as real dependency.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
