server: mic dependency updates in install script

scripts/install/server.sh

@@ -20,6 +20,7 @@ sudo pacman -Syq --needed --noconfirm git \
                                       rustup \
                                       protobuf \
                                       gcc \
+                                      alsa-utils \
                                       pipewire \
                                       pipewire-pulse \
                                       tailscale \

server/src/video.rs

@@ -2,7 +2,6 @@
 
 use anyhow::Context;
 use futures_util::Stream;
-use gst::MessageView::*;
 use gst::prelude::*;
 use gst::{MessageView, log};
 use gstreamer as gst;
@@ -14,6 +13,12 @@ use tracing::{Level, debug, enabled, error, info, trace, warn};
 
 const EYE_ID: [&str; 2] = ["l", "r"];
 static START: std::sync::OnceLock<gst::ClockTime> = std::sync::OnceLock::new();
+static DEV_MODE: std::sync::OnceLock<bool> = std::sync::OnceLock::new();
+
+fn dev_mode_enabled() -> bool {
+    *DEV_MODE
+        .get_or_init(|| std::env::var("LESAVKA_DEV_MODE").is_ok())
+}
 
 pub struct VideoStream {
     _pipeline: gst::Pipeline,
@@ -356,7 +361,7 @@ impl CameraRelay {
                             "📸📥 srv  pkt");
         }
 
-        if cfg!(debug_assertions) || tracing::enabled!(tracing::Level::TRACE) {
+        if dev_mode_enabled() && (cfg!(debug_assertions) || tracing::enabled!(tracing::Level::TRACE)) {
             if n % 120 == 0 {
                 let path = format!("/tmp/eye3-cli-{n:05}.h264");
                 if let Err(e) = std::fs::write(&path, &pkt.data) {