chore: fix all clippy warnings across workspace

scripts/screenshot.sh

@@ -0,0 +1,92 @@
+#!/usr/bin/env bash
+# scripts/screenshot.sh — generate a README screenshot automatically
+set -euo pipefail
+cd "$(git rev-parse --show-toplevel)"
+
+INTERACTIVE=false
+[[ "${1:-}" == "--interactive" ]] && INTERACTIVE=true
+
+SESSION="qpq-screenshot"
+SERVER_PORT=17123
+SERVER_ADDR="127.0.0.1:${SERVER_PORT}"
+DATA_DIR=$(mktemp -d)
+CERT="${DATA_DIR}/server-cert.der"
+KEY="${DATA_DIR}/server-key.der"
+QPQ="./target/debug/qpq"
+SERVER="./target/debug/qpq-server"
+SLOG="${DATA_DIR}/server.log"
+
+cleanup() {
+    [[ -n "${SERVER_PID:-}" ]] && kill "$SERVER_PID" 2>/dev/null || true
+    tmux kill-session -t "$SESSION" 2>/dev/null || true
+    # Keep DATA_DIR for debugging
+    echo "Data dir: $DATA_DIR"
+}
+trap cleanup EXIT
+
+# ── Build ────────────────────────────────────────────────────────────────────
+echo "Building binaries..."
+cargo build --bin qpq --bin qpq-server 2>&1 | tail -1
+
+# ── Start server ─────────────────────────────────────────────────────────────
+echo "Starting server on ${SERVER_ADDR}..."
+RUST_LOG=debug "$SERVER" \
+    --allow-insecure-auth \
+    --listen "$SERVER_ADDR" \
+    --tls-cert "$CERT" \
+    --tls-key "$KEY" \
+    --data-dir "$DATA_DIR" \
+    &>"$SLOG" &
+SERVER_PID=$!
+
+for _ in $(seq 1 30); do [[ -f "$CERT" ]] && break; sleep 0.2; done
+if [[ ! -f "$CERT" ]]; then echo "ERROR: server did not start"; cat "$SLOG"; exit 1; fi
+echo "Server ready (PID ${SERVER_PID})"
+
+# ── tmux session ─────────────────────────────────────────────────────────────
+tmux new-session -d -s "$SESSION" -x 114 -y 28
+
+send_alice() { tmux send-keys -t "${SESSION}:0.0" "$1" Enter; }
+send_bob()   { tmux send-keys -t "${SESSION}:0.1" "$1" Enter; }
+
+# Start Alice (left pane)
+tmux send-keys -t "$SESSION" \
+    "RUST_LOG=debug $QPQ repl --username alice --password demopass1 --server $SERVER_ADDR --ca-cert $CERT --state ${DATA_DIR}/alice.bin 2>${DATA_DIR}/alice-debug.log" Enter
+
+# Start Bob (right pane)
+tmux split-window -h -t "$SESSION"
+tmux send-keys -t "$SESSION" \
+    "RUST_LOG=debug $QPQ repl --username bob --password demopass2 --server $SERVER_ADDR --ca-cert $CERT --state ${DATA_DIR}/bob.bin 2>${DATA_DIR}/bob-debug.log" Enter
+
+tmux select-layout -t "$SESSION" even-horizontal
+sleep 5
+
+# Alice creates DM with Bob
+send_alice "/dm bob"
+sleep 4
+
+# Wait for Bob's poller (8 seconds = 8 poll cycles)
+echo "Waiting for Bob to poll Welcome..."
+sleep 10
+
+# Check Bob's list
+send_bob "/list"
+sleep 2
+
+# Capture both panes
+{
+    echo "=== Alice ==="
+    tmux capture-pane -t "${SESSION}:0.0" -p
+    echo ""
+    echo "=== Bob ==="
+    tmux capture-pane -t "${SESSION}:0.1" -p
+} > "${DATA_DIR}/capture.txt"
+
+echo ""
+cat "${DATA_DIR}/capture.txt"
+echo ""
+echo "Server log tail:"
+tail -30 "$SLOG" 2>/dev/null || true
+echo ""
+echo "Debug logs in: $DATA_DIR"
+echo "Check: $DATA_DIR/alice-debug.log and $DATA_DIR/bob-debug.log"