master: ship webcam hdmi path + secure paste + deploy tooling

.dockerignore

@@ -0,0 +1,7 @@
+.git
+**/target
+**/dist
+**/.idea
+**/.vscode
+**/.cache
+**/.DS_Store

Jenkinsfile

@@ -0,0 +1,89 @@
+pipeline {
+  agent any
+
+  options {
+    timestamps()
+    disableConcurrentBuilds()
+  }
+
+  parameters {
+    booleanParam(name: 'RUN_TESTS', defaultValue: false, description: 'Run cargo tests')
+    booleanParam(name: 'PUSH_IMAGES', defaultValue: true, description: 'Push images to registry')
+    string(name: 'REGISTRY_CREDENTIALS_ID', defaultValue: 'registry-bstein-dev', description: 'Jenkins credentials id for registry.bstein.dev')
+  }
+
+  environment {
+    REGISTRY = 'registry.bstein.dev'
+    IMAGE_PREFIX = "${REGISTRY}/lesavka"
+    CARGO_TERM_COLOR = 'always'
+    DOCKER_BUILDKIT = '1'
+  }
+
+  stages {
+    stage('Checkout') {
+      steps {
+        checkout scm
+      }
+    }
+
+    stage('Format') {
+      steps {
+        sh 'cargo fmt --all --manifest-path common/Cargo.toml -- --check'
+        sh 'cargo fmt --all --manifest-path server/Cargo.toml -- --check'
+        sh 'cargo fmt --all --manifest-path client/Cargo.toml -- --check'
+      }
+    }
+
+    stage('Clippy') {
+      steps {
+        sh 'cargo clippy --all-targets --manifest-path server/Cargo.toml -D warnings'
+        sh 'cargo clippy --all-targets --manifest-path client/Cargo.toml -D warnings'
+      }
+    }
+
+    stage('Build Dist') {
+      steps {
+        sh 'scripts/ci/build-dist.sh'
+      }
+    }
+
+    stage('Tests') {
+      when {
+        expression { return params.RUN_TESTS }
+      }
+      steps {
+        sh 'cargo test --manifest-path server/Cargo.toml'
+        sh 'cargo test --manifest-path client/Cargo.toml'
+      }
+    }
+
+    stage('Docker Login') {
+      when {
+        expression { return params.PUSH_IMAGES }
+      }
+      steps {
+        withCredentials([
+          usernamePassword(
+            credentialsId: params.REGISTRY_CREDENTIALS_ID,
+            usernameVariable: 'REGISTRY_USER',
+            passwordVariable: 'REGISTRY_PASS'
+          )
+        ]) {
+          sh 'echo "$REGISTRY_PASS" | docker login "$REGISTRY" -u "$REGISTRY_USER" --password-stdin'
+        }
+      }
+    }
+
+    stage('Build Images') {
+      steps {
+        sh 'PUSH_IMAGES=${PUSH_IMAGES} scripts/ci/build-images.sh'
+      }
+    }
+  }
+
+  post {
+    always {
+      archiveArtifacts artifacts: 'dist/*.tar.gz', fingerprint: true, allowEmptyArchive: true
+    }
+  }
+}

client/Cargo.toml

@@ -30,6 +30,8 @@ serde_json              = "1.0"
 async-stream            = "0.3"
 shell-escape            = "0.1"
 v4l                     = "0.14"
+chacha20poly1305        = "0.10"
+base64                  = "0.22"
 
 [build-dependencies]
 prost-build             = "0.13"

client/src/app.rs

@@ -4,7 +4,7 @@ use anyhow::Result;
 use std::sync::Arc;
 use std::sync::atomic::{AtomicUsize, Ordering};
 use std::time::Duration;
-use tokio::sync::broadcast;
+use tokio::sync::{broadcast, mpsc};
 use tokio_stream::{StreamExt, wrappers::BroadcastStream};
 use tonic::{Request, transport::Channel};
 use tracing::{debug, error, info, trace, warn};
@@ -26,6 +26,7 @@ use crate::{
     input::microphone::MicrophoneCapture,
     output::audio::AudioOut,
     output::video::MonitorWindow,
+    paste,
 };
 
 pub struct LesavkaClientApp {
@@ -35,6 +36,7 @@ pub struct LesavkaClientApp {
     headless: bool,
     kbd_tx: broadcast::Sender<KeyboardReport>,
     mou_tx: broadcast::Sender<MouseReport>,
+    paste_rx: Option<mpsc::UnboundedReceiver<String>>,
 }
 
 impl LesavkaClientApp {
@@ -48,11 +50,17 @@ impl LesavkaClientApp {
 
         let (kbd_tx, _) = broadcast::channel(1024);
         let (mou_tx, _) = broadcast::channel(4096);
+        let (paste_tx, paste_rx) = mpsc::unbounded_channel();
 
         let agg = if headless {
             None
         } else {
-            Some(InputAggregator::new(dev_mode, kbd_tx.clone(), mou_tx.clone()))
+            Some(InputAggregator::new(
+                dev_mode,
+                kbd_tx.clone(),
+                mou_tx.clone(),
+                Some(paste_tx),
+            ))
         };
 
         Ok(Self {
@@ -62,6 +70,7 @@ impl LesavkaClientApp {
             headless,
             kbd_tx,
             mou_tx,
+            paste_rx: Some(paste_rx),
         })
     }
 
@@ -108,6 +117,8 @@ impl LesavkaClientApp {
         let mut agg_task = None;
         let mut kbd_loop = None;
         let mut mou_loop = None;
+        let mut paste_task = None;
+        let paste_rx = self.paste_rx.take();
         if !self.headless {
             /*────────── input aggregator task (grab after handshake) ─────────────*/
             let mut aggregator = self.aggregator.take().expect("InputAggregator present");
@@ -121,6 +132,9 @@ impl LesavkaClientApp {
             /*────────── HID streams (never return) ────────*/
             kbd_loop = Some(self.stream_loop_keyboard(hid_ep.clone()));
             mou_loop = Some(self.stream_loop_mouse(hid_ep.clone()));
+            if let Some(rx) = paste_rx {
+                paste_task = Some(Self::paste_loop(hid_ep.clone(), rx));
+            }
         } else {
             info!("🧪 headless mode: skipping HID input capture");
         }
@@ -222,9 +236,11 @@ impl LesavkaClientApp {
             let kbd_loop = kbd_loop.expect("kbd_loop");
             let mou_loop = mou_loop.expect("mou_loop");
             let agg_task = agg_task.expect("agg_task");
+            let paste_task = paste_task.expect("paste_task");
             tokio::select! {
                 _ = kbd_loop  => { warn!("⚠️⌨️ keyboard stream finished"); },
                 _ = mou_loop  => { warn!("⚠️🖱️ mouse stream finished"); },
+                _ = paste_task => { warn!("⚠️📋 paste loop finished"); },
                 _ = suicide   => { /* handled above */ },
                 r = agg_task  => {
                     match r {
@@ -232,7 +248,7 @@ impl LesavkaClientApp {
                         Ok(Err(e))        => error!("input aggregator error: {e:?}"),
                         Err(join_err)     => error!("aggregator task panicked: {join_err:?}"),
                     }
-                    std::process::exit(1);
+                    return Ok(());
                 }
             }
         }
@@ -243,6 +259,37 @@ impl LesavkaClientApp {
         Ok(())
     }
 
+    /*──────────────── paste loop ───────────────*/
+    fn paste_loop(
+        ep: Channel,
+        mut rx: mpsc::UnboundedReceiver<String>,
+    ) -> tokio::task::JoinHandle<()> {
+        tokio::spawn(async move {
+            let mut cli = RelayClient::new(ep.clone());
+            while let Some(text) = rx.recv().await {
+                match paste::build_paste_request(&text) {
+                    Ok(req) => match cli.paste_text(Request::new(req)).await {
+                        Ok(resp) => {
+                            let reply = resp.get_ref();
+                            if !reply.ok {
+                                warn!("📋 paste rejected: {}", reply.error);
+                            } else {
+                                debug!("📋 paste delivered");
+                            }
+                        }
+                        Err(e) => {
+                            warn!("📋 paste failed: {e}");
+                            cli = RelayClient::new(ep.clone());
+                        }
+                    },
+                    Err(e) => {
+                        warn!("📋 paste build failed: {e}");
+                    }
+                }
+            }
+        })
+    }
+
     /*──────────────── keyboard stream ───────────────*/
     async fn stream_loop_keyboard(&self, ep: Channel) {
         loop {

client/src/input/camera.rs

@@ -35,24 +35,44 @@ pub struct CameraCapture {
 }
 
 impl CameraCapture {
-    pub fn new(
+    pub fn new(device_fragment: Option<&str>, cfg: Option<CameraConfig>) -> anyhow::Result<Self> {
-        device_fragment: Option<&str>,
-        cfg: Option<CameraConfig>,
-    ) -> anyhow::Result<Self> {
         gst::init().ok();
 
-        // Pick device (prefers V4L2 nodes with capture capability)
+        // Select source: V4L2 device or test pattern
-        let dev = match device_fragment {
+        let (src_desc, dev_label, allow_mjpg_source) = match device_fragment {
-            Some(path) if path.starts_with("/dev/") => path.to_string(),
+            Some(fragment)
-            Some(fragment) => Self::find_device(fragment).unwrap_or_else(|| "/dev/video0".into()),
+                if fragment.eq_ignore_ascii_case("test")
-            None => "/dev/video0".into(),
+                    || fragment.eq_ignore_ascii_case("videotestsrc") =>
+            {
+                let pattern =
+                    std::env::var("LESAVKA_CAM_TEST_PATTERN").unwrap_or_else(|_| "smpte".into());
+                (
+                    format!("videotestsrc is-live=true pattern={pattern}"),
+                    format!("videotestsrc:{pattern}"),
+                    false,
+                )
+            }
+            Some(path) if path.starts_with("/dev/") => (
+                format!("v4l2src device={path} do-timestamp=true"),
+                path.to_string(),
+                true,
+            ),
+            Some(fragment) => {
+                let dev = Self::find_device(fragment).unwrap_or_else(|| "/dev/video0".into());
+                (format!("v4l2src device={dev} do-timestamp=true"), dev, true)
+            }
+            None => {
+                let dev = "/dev/video0".to_string();
+                (format!("v4l2src device={dev} do-timestamp=true"), dev, true)
+            }
         };
 
-        let use_mjpg_source = std::env::var("LESAVKA_CAM_MJPG").is_ok()
+        let use_mjpg_source = allow_mjpg_source
-            || std::env::var("LESAVKA_CAM_FORMAT")
+            && (std::env::var("LESAVKA_CAM_MJPG").is_ok()
-                .ok()
+                || std::env::var("LESAVKA_CAM_FORMAT")
-                .map(|v| matches!(v.to_ascii_lowercase().as_str(), "mjpg" | "mjpeg" | "jpeg"))
+                    .ok()
-                .unwrap_or(false);
+                    .map(|v| matches!(v.to_ascii_lowercase().as_str(), "mjpg" | "mjpeg" | "jpeg"))
+                    .unwrap_or(false));
         let output_mjpeg = cfg
             .map(|cfg| matches!(cfg.codec, CameraCodec::Mjpeg))
             .unwrap_or_else(|| {
@@ -71,15 +91,20 @@ impl CameraCapture {
             tracing::info!("📸 using MJPG source with software encode");
         }
         if output_mjpeg {
-            tracing::info!(
+            tracing::info!("📸 outputting MJPEG frames for UVC (quality={jpeg_quality})");
-                "📸 outputting MJPEG frames for UVC (quality={jpeg_quality})"
-            );
         } else {
             tracing::info!("📸 using encoder element: {enc}");
         }
-        let width = cfg.map(|cfg| cfg.width).unwrap_or_else(|| env_u32("LESAVKA_CAM_WIDTH", 1280));
+        let width = cfg
-        let height = cfg.map(|cfg| cfg.height).unwrap_or_else(|| env_u32("LESAVKA_CAM_HEIGHT", 720));
+            .map(|cfg| cfg.width)
-        let fps = cfg.map(|cfg| cfg.fps).unwrap_or_else(|| env_u32("LESAVKA_CAM_FPS", 25)).max(1);
+            .unwrap_or_else(|| env_u32("LESAVKA_CAM_WIDTH", 1280));
+        let height = cfg
+            .map(|cfg| cfg.height)
+            .unwrap_or_else(|| env_u32("LESAVKA_CAM_HEIGHT", 720));
+        let fps = cfg
+            .map(|cfg| cfg.fps)
+            .unwrap_or_else(|| env_u32("LESAVKA_CAM_FPS", 25))
+            .max(1);
         let have_nvvidconv = gst::ElementFactory::find("nvvidconv").is_some();
         let (src_caps, preenc) = match enc {
             // ───────────────────────────────────────────────────────────────────
@@ -117,14 +142,14 @@ impl CameraCapture {
         let desc = if output_mjpeg {
             if use_mjpg_source {
                 format!(
-                    "v4l2src device={dev} do-timestamp=true ! \
+                    "{src_desc} ! \
                      image/jpeg,width={width},height={height},framerate={fps}/1 ! \
                      queue max-size-buffers=30 leaky=downstream ! \
                      appsink name=asink emit-signals=true max-buffers=60 drop=true"
                 )
             } else {
                 format!(
-                    "v4l2src device={dev} do-timestamp=true ! \
+                    "{src_desc} ! \
                      video/x-raw,width={width},height={height},framerate={fps}/1 ! \
                      videoconvert ! jpegenc quality={jpeg_quality} ! \
                      queue max-size-buffers=30 leaky=downstream ! \
@@ -133,7 +158,7 @@ impl CameraCapture {
             }
         } else if use_mjpg_source {
             format!(
-                "v4l2src device={dev} do-timestamp=true ! \
+                "{src_desc} ! \
                  image/jpeg,width={width},height={height} ! \
                  jpegdec ! videorate ! video/x-raw,framerate={fps}/1 ! \
                  videoconvert ! {enc} {kf_prop}={kf_val} ! \
@@ -143,7 +168,7 @@ impl CameraCapture {
             )
         } else {
             format!(
-                "v4l2src device={dev} do-timestamp=true ! {src_caps} ! \
+                "{src_desc} ! {src_caps} ! \
                  {preenc} {enc} {kf_prop}={kf_val} ! \
                  h264parse config-interval=-1 ! video/x-h264,stream-format=byte-stream,alignment=au ! \
                  queue max-size-buffers=30 leaky=downstream ! \
@@ -165,7 +190,7 @@ impl CameraCapture {
             .expect("appsink down‑cast");
 
         pipeline.set_state(gst::State::Playing)?;
-        tracing::info!("📸 webcam pipeline ▶️ device={dev}");
+        tracing::info!("📸 webcam pipeline ▶️ device={dev_label}");
 
         Ok(Self { pipeline, sink })
     }
@@ -270,3 +295,9 @@ impl CameraCapture {
         }
     }
 }
+
+impl Drop for CameraCapture {
+    fn drop(&mut self) {
+        let _ = self.pipeline.set_state(gst::State::Null);
+    }
+}

client/src/input/inputs.rs

@@ -1,7 +1,8 @@
 // client/src/input/inputs.rs
 
 use anyhow::{Context, Result, bail};
-use evdev::{Device, EventType, KeyCode, RelativeAxisCode};
+use evdev::{AbsoluteAxisCode, Device, EventType, KeyCode, RelativeAxisCode};
+use std::collections::HashSet;
 use tokio::{
     sync::broadcast::Sender,
     time::{Duration, interval},
@@ -12,6 +13,7 @@ use lesavka_common::lesavka::{KeyboardReport, MouseReport};
 
 use super::{keyboard::KeyboardAggregator, mouse::MouseAggregator};
 use crate::layout::{Layout, apply as apply_layout};
+use tokio::sync::mpsc::UnboundedSender;
 
 pub struct InputAggregator {
     kbd_tx: Sender<KeyboardReport>,
@@ -19,6 +21,10 @@ pub struct InputAggregator {
     dev_mode: bool,
     released: bool,
     magic_active: bool,
+    pending_release: bool,
+    pending_kill: bool,
+    pending_keys: HashSet<KeyCode>,
+    paste_tx: Option<UnboundedSender<String>>,
     keyboards: Vec<KeyboardAggregator>,
     mice: Vec<MouseAggregator>,
 }
@@ -28,6 +34,7 @@ impl InputAggregator {
         dev_mode: bool,
         kbd_tx: Sender<KeyboardReport>,
         mou_tx: Sender<MouseReport>,
+        paste_tx: Option<UnboundedSender<String>>,
     ) -> Self {
         Self {
             kbd_tx,
@@ -35,6 +42,10 @@ impl InputAggregator {
             dev_mode,
             released: false,
             magic_active: false,
+            pending_release: false,
+            pending_kill: false,
+            pending_keys: HashSet::new(),
+            paste_tx,
             keyboards: Vec::new(),
             mice: Vec::new(),
         }
@@ -83,7 +94,12 @@ impl InputAggregator {
 
                     // pass dev_mode to aggregator
                     // let kbd_agg = KeyboardAggregator::new(dev, self.dev_mode);
-                    let kbd_agg = KeyboardAggregator::new(dev, self.dev_mode, self.kbd_tx.clone());
+                    let kbd_agg = KeyboardAggregator::new(
+                        dev,
+                        self.dev_mode,
+                        self.kbd_tx.clone(),
+                        self.paste_tx.clone(),
+                    );
                     self.keyboards.push(kbd_agg);
                     found_any = true;
                     continue;
@@ -123,14 +139,14 @@ impl InputAggregator {
         let mut tick = interval(Duration::from_millis(10));
         let mut current = Layout::SideBySide;
         loop {
-            let magic_now = self.keyboards.iter().any(|k| k.magic_grab());
-            let magic_left = self.keyboards.iter().any(|k| k.magic_left());
-            let magic_right = self.keyboards.iter().any(|k| k.magic_right());
             let mut want_kill = false;
             for kbd in &mut self.keyboards {
                 kbd.process_events();
                 want_kill |= kbd.magic_kill();
             }
+            let magic_now = self.keyboards.iter().any(|k| k.magic_grab());
+            let magic_left = self.keyboards.iter().any(|k| k.magic_left());
+            let magic_right = self.keyboards.iter().any(|k| k.magic_right());
 
             if magic_now && !self.magic_active {
                 self.toggle_grab();
@@ -143,9 +159,47 @@ impl InputAggregator {
                 };
                 apply_layout(current);
             }
-            if want_kill {
+            if want_kill && !self.pending_kill {
                 warn!("🧙  magic chord - killing 🪄 AVADA KEDAVRA!!! 💥💀⚰️");
-                std::process::exit(0);
+                for k in &mut self.keyboards {
+                    k.send_empty_report();
+                    k.set_send(false);
+                }
+                for m in &mut self.mice {
+                    m.reset_state();
+                    m.set_send(false);
+                }
+                self.pending_kill = true;
+                self.capture_pending_keys();
+            }
+
+            if self.pending_release || self.pending_kill {
+                let chord_released = if self.pending_keys.is_empty() {
+                    !self
+                        .keyboards
+                        .iter()
+                        .any(|k| k.magic_grab() || k.magic_kill())
+                } else {
+                    self.pending_keys
+                        .iter()
+                        .all(|key| !self.keyboards.iter().any(|k| k.has_key(*key)))
+                };
+                if chord_released {
+                    for k in &mut self.keyboards {
+                        k.set_grab(false);
+                        k.reset_state();
+                    }
+                    for m in &mut self.mice {
+                        m.set_grab(false);
+                        m.reset_state();
+                    }
+                    self.released = true;
+                    if self.pending_kill {
+                        return Ok(());
+                    }
+                    self.pending_release = false;
+                    self.pending_keys.clear();
+                }
             }
 
             for mouse in &mut self.mice {
@@ -158,20 +212,50 @@ impl InputAggregator {
     }
 
     fn toggle_grab(&mut self) {
+        if self.pending_release || self.pending_kill {
+            return;
+        }
         if self.released {
             tracing::info!("🧙  magic chord - restricting devices 🪄 IMPERIUS!!! 🎮🔒");
         } else {
             tracing::info!("🧙  magic chord - freeing devices 🪄 EXPELLIARMUS!!! 🔓🕊️");
         }
-        for k in &mut self.keyboards {
+        if self.released {
-            k.set_grab(self.released);
+            // switching to remote control
-            k.set_send(self.released);
+            for k in &mut self.keyboards {
+                k.reset_state();
+                k.set_send(true);
+                k.set_grab(true);
+            }
+            for m in &mut self.mice {
+                m.reset_state();
+                m.set_send(true);
+                m.set_grab(true);
+            }
+            self.released = false;
+            self.pending_release = false;
+        } else {
+            // switching to local control: stop sending, keep grab until chord released
+            for k in &mut self.keyboards {
+                k.send_empty_report();
+                k.set_send(false);
+            }
+            for m in &mut self.mice {
+                m.reset_state();
+                m.set_send(false);
+            }
+            self.pending_release = true;
+            self.capture_pending_keys();
         }
-        for m in &mut self.mice {
+    }
-            m.set_grab(self.released);
+
-            m.set_send(self.released);
+    fn capture_pending_keys(&mut self) {
+        self.pending_keys.clear();
+        for k in &self.keyboards {
+            for key in k.pressed_keys_snapshot() {
+                self.pending_keys.insert(key);
+            }
         }
-        self.released = !self.released;
     }
 }
 
@@ -188,7 +272,7 @@ fn classify_device(dev: &Device) -> DeviceKind {
         }
     }
 
-    // Mouse logic
+    // Mouse logic (relative)
     if evbits.contains(EventType::RELATIVE) {
         if let (Some(rel), Some(keys)) = (dev.supported_relative_axes(), dev.supported_keys()) {
             let has_xy =
@@ -199,6 +283,19 @@ fn classify_device(dev: &Device) -> DeviceKind {
             }
         }
     }
+    // Touchpad logic (absolute)
+    if evbits.contains(EventType::ABSOLUTE) {
+        if let (Some(abs), Some(keys)) = (dev.supported_absolute_axes(), dev.supported_keys()) {
+            let has_xy = (abs.contains(AbsoluteAxisCode::ABS_X)
+                && abs.contains(AbsoluteAxisCode::ABS_Y))
+                || (abs.contains(AbsoluteAxisCode::ABS_MT_POSITION_X)
+                    && abs.contains(AbsoluteAxisCode::ABS_MT_POSITION_Y));
+            let has_btn = keys.contains(KeyCode::BTN_TOUCH) || keys.contains(KeyCode::BTN_LEFT);
+            if has_xy && has_btn {
+                return DeviceKind::Mouse;
+            }
+        }
+    }
 
     DeviceKind::Other
 }

client/src/input/keyboard.rs

@@ -3,35 +3,53 @@
 use evdev::{Device, EventType, InputEvent, KeyCode};
 use std::{
     collections::HashSet,
-    sync::atomic::{AtomicU32, Ordering},
+    sync::atomic::{AtomicU32, AtomicU64, Ordering},
+    time::{Duration, SystemTime, UNIX_EPOCH},
 };
 use tokio::sync::broadcast::Sender;
+use tokio::sync::mpsc::UnboundedSender;
 use tracing::{debug, error, trace};
 
 use lesavka_common::lesavka::KeyboardReport;
 
-use super::keymap::{is_modifier, keycode_to_usage};
+use super::keymap::{char_to_usage, is_modifier, keycode_to_usage};
 
 pub struct KeyboardAggregator {
     dev: Device,
     tx: Sender<KeyboardReport>,
     dev_mode: bool,
     sending_disabled: bool,
+    paste_enabled: bool,
+    paste_rpc_enabled: bool,
+    paste_tx: Option<UnboundedSender<String>>,
     pressed_keys: HashSet<KeyCode>,
 }
 
 /*───────── helpers ───────────────────────────────────────────────────*/
 /// Monotonically-increasing ID that can be logged on server & client.
 static SEQ: AtomicU32 = AtomicU32::new(0);
+static LAST_PASTE_MS: AtomicU64 = AtomicU64::new(0);
 
 impl KeyboardAggregator {
-    pub fn new(dev: Device, dev_mode: bool, tx: Sender<KeyboardReport>) -> Self {
+    pub fn new(
+        dev: Device,
+        dev_mode: bool,
+        tx: Sender<KeyboardReport>,
+        paste_tx: Option<UnboundedSender<String>>,
+    ) -> Self {
         let _ = dev.set_nonblocking(true);
         Self {
             dev,
             tx,
             dev_mode,
             sending_disabled: false,
+            paste_enabled: std::env::var("LESAVKA_CLIPBOARD_PASTE")
+                .map(|v| v != "0")
+                .unwrap_or(true),
+            paste_rpc_enabled: std::env::var("LESAVKA_PASTE_RPC")
+                .map(|v| v != "0")
+                .unwrap_or(true),
+            paste_tx,
             pressed_keys: HashSet::new(),
         }
     }
@@ -48,6 +66,10 @@ impl KeyboardAggregator {
         self.sending_disabled = !send;
     }
 
+    pub fn send_empty_report(&self) {
+        self.send_report([0; 8]);
+    }
+
     pub fn process_events(&mut self) {
         // --- first fetch, then log (avoids aliasing borrow) ---
         let events: Vec<InputEvent> = match self.dev.fetch_events() {
@@ -74,6 +96,29 @@ impl KeyboardAggregator {
                 continue;
             }
             let code = KeyCode::new(ev.code());
+
+            if self.paste_enabled
+                && ev.value() == 1
+                && code == KeyCode::KEY_V
+                && self.paste_chord_active()
+            {
+                if !self.paste_debounced() {
+                    continue;
+                }
+                // swallow Ctrl+V and inject clipboard text instead
+                self.pressed_keys.remove(&KeyCode::KEY_V);
+                self.pressed_keys.remove(&KeyCode::KEY_LEFTCTRL);
+                self.pressed_keys.remove(&KeyCode::KEY_RIGHTCTRL);
+                self.pressed_keys.remove(&KeyCode::KEY_LEFTALT);
+                self.pressed_keys.remove(&KeyCode::KEY_RIGHTALT);
+                self.send_empty_report();
+                if self.paste_rpc_enabled && self.paste_via_rpc() {
+                    continue;
+                }
+                self.paste_clipboard();
+                continue;
+            }
+
             match ev.value() {
                 1 => {
                     self.pressed_keys.insert(code);
@@ -122,6 +167,10 @@ impl KeyboardAggregator {
         self.pressed_keys.contains(&kc)
     }
 
+    pub fn pressed_keys_snapshot(&self) -> Vec<KeyCode> {
+        self.pressed_keys.iter().copied().collect()
+    }
+
     pub fn magic_grab(&self) -> bool {
         self.has_key(KeyCode::KEY_LEFTCTRL)
             && self.has_key(KeyCode::KEY_LEFTSHIFT)
@@ -143,6 +192,152 @@ impl KeyboardAggregator {
     pub fn magic_kill(&self) -> bool {
         self.has_key(KeyCode::KEY_LEFTCTRL) && self.has_key(KeyCode::KEY_ESC)
     }
+
+    pub fn reset_state(&mut self) {
+        if self.pressed_keys.is_empty() {
+            self.send_empty_report();
+            return;
+        }
+        self.pressed_keys.clear();
+        self.send_empty_report();
+    }
+
+    fn send_report(&self, report: [u8; 8]) {
+        if self.sending_disabled {
+            return;
+        }
+        let _ = self.tx.send(KeyboardReport {
+            data: report.to_vec(),
+        });
+    }
+
+    fn paste_chord_active(&self) -> bool {
+        let chord = std::env::var("LESAVKA_CLIPBOARD_CHORD")
+            .unwrap_or_else(|_| "ctrl+alt+v".into())
+            .to_ascii_lowercase();
+        let have_ctrl = self.has_key(KeyCode::KEY_LEFTCTRL) || self.has_key(KeyCode::KEY_RIGHTCTRL);
+        let have_alt = self.has_key(KeyCode::KEY_LEFTALT) || self.has_key(KeyCode::KEY_RIGHTALT);
+        match chord.as_str() {
+            "ctrl+v" => have_ctrl,
+            "ctrl+alt+v" => have_ctrl && have_alt,
+            _ => have_ctrl && have_alt,
+        }
+    }
+
+    fn paste_debounced(&self) -> bool {
+        let debounce_ms = std::env::var("LESAVKA_CLIPBOARD_DEBOUNCE_MS")
+            .ok()
+            .and_then(|v| v.parse::<u64>().ok())
+            .unwrap_or(500);
+        if debounce_ms == 0 {
+            return true;
+        }
+        let now_ms = SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .unwrap_or_default()
+            .as_millis() as u64;
+        let last = LAST_PASTE_MS.load(Ordering::Relaxed);
+        if now_ms.saturating_sub(last) < debounce_ms {
+            tracing::debug!("📋 paste ignored (debounce)");
+            return false;
+        }
+        LAST_PASTE_MS.store(now_ms, Ordering::Relaxed);
+        true
+    }
+
+    fn paste_clipboard(&self) {
+        let text = match read_clipboard_text() {
+            Some(t) if !t.is_empty() => t,
+            Some(_) => {
+                tracing::warn!("📋 clipboard empty");
+                return;
+            }
+            None => {
+                tracing::warn!("📋 clipboard read failed");
+                return;
+            }
+        };
+        let max = std::env::var("LESAVKA_CLIPBOARD_MAX")
+            .ok()
+            .and_then(|v| v.parse::<usize>().ok())
+            .unwrap_or(4096);
+        let delay_ms = std::env::var("LESAVKA_CLIPBOARD_DELAY_MS")
+            .ok()
+            .and_then(|v| v.parse::<u64>().ok())
+            .unwrap_or(1);
+        let delay = Duration::from_millis(delay_ms);
+
+        tracing::info!("📋 pasting {} chars", text.chars().count().min(max));
+
+        for c in text.chars().take(max) {
+            if let Some((usage, mods)) = char_to_usage(c) {
+                self.send_report([mods, 0, usage, 0, 0, 0, 0, 0]);
+                self.send_report([0; 8]);
+                if delay_ms > 0 {
+                    std::thread::sleep(delay);
+                }
+            }
+        }
+    }
+
+    fn paste_via_rpc(&self) -> bool {
+        let Some(tx) = self.paste_tx.as_ref() else {
+            return false;
+        };
+        let text = match read_clipboard_text() {
+            Some(t) if !t.is_empty() => t,
+            Some(_) => {
+                tracing::warn!("📋 clipboard empty");
+                return true;
+            }
+            None => {
+                tracing::warn!("📋 clipboard read failed");
+                return true;
+            }
+        };
+        tx.send(text).is_ok()
+    }
+}
+
+fn read_clipboard_text() -> Option<String> {
+    if let Ok(cmd) = std::env::var("LESAVKA_CLIPBOARD_CMD") {
+        if let Ok(out) = std::process::Command::new("sh")
+            .arg("-lc")
+            .arg(cmd.clone())
+            .output()
+        {
+            if out.status.success() {
+                let text = String::from_utf8_lossy(&out.stdout).to_string();
+                if !text.is_empty() {
+                    return Some(text);
+                }
+                tracing::warn!("📋 clipboard command returned empty");
+            } else {
+                let err = String::from_utf8_lossy(&out.stderr);
+                tracing::warn!("📋 clipboard command failed: {cmd} ({err})");
+            }
+        } else {
+            tracing::warn!("📋 clipboard command failed to spawn: {cmd}");
+        }
+        // fall through to auto-detect if custom command fails
+    }
+
+    let candidates: &[(&str, &[&str])] = &[
+        ("wl-paste", &["--no-newline", "--type", "text/plain"]),
+        ("wl-paste", &["--no-newline"]),
+        ("wl-paste", &[]),
+        ("xclip", &["-selection", "clipboard", "-o"]),
+        ("xsel", &["-b", "-o"]),
+    ];
+
+    for (cmd, args) in candidates {
+        if let Ok(out) = std::process::Command::new(cmd).args(*args).output() {
+            if out.status.success() {
+                return Some(String::from_utf8_lossy(&out.stdout).to_string());
+            }
+        }
+    }
+    None
 }
 
 impl Drop for KeyboardAggregator {

client/src/input/keymap.rs

@@ -136,3 +136,51 @@ pub fn is_modifier(key: KeyCode) -> Option<u8> {
         _ => None,
     }
 }
+
+/// Map a printable character to (usage, modifiers).
+/// Modifiers currently only include Shift for uppercase/punctuation.
+pub fn char_to_usage(c: char) -> Option<(u8, u8)> {
+    let shift = 0x02; // left shift in HID modifier byte
+    match c {
+        'a'..='z' => Some((0x04 + (c as u8 - b'a'), 0)),
+        'A'..='Z' => Some((0x04 + (c as u8 - b'A'), shift)),
+        '1'..='9' => Some((0x1E + (c as u8 - b'1'), 0)),
+        '0' => Some((0x27, 0)),
+        '!' => Some((0x1E, shift)),
+        '@' => Some((0x1F, shift)),
+        '#' => Some((0x20, shift)),
+        '$' => Some((0x21, shift)),
+        '%' => Some((0x22, shift)),
+        '^' => Some((0x23, shift)),
+        '&' => Some((0x24, shift)),
+        '*' => Some((0x25, shift)),
+        '(' => Some((0x26, shift)),
+        ')' => Some((0x27, shift)),
+        '-' => Some((0x2D, 0)),
+        '_' => Some((0x2D, shift)),
+        '=' => Some((0x2E, 0)),
+        '+' => Some((0x2E, shift)),
+        '[' => Some((0x2F, 0)),
+        '{' => Some((0x2F, shift)),
+        ']' => Some((0x30, 0)),
+        '}' => Some((0x30, shift)),
+        '\\' => Some((0x31, 0)),
+        '|' => Some((0x31, shift)),
+        ';' => Some((0x33, 0)),
+        ':' => Some((0x33, shift)),
+        '\'' => Some((0x34, 0)),
+        '"' => Some((0x34, shift)),
+        '`' => Some((0x35, 0)),
+        '~' => Some((0x35, shift)),
+        ',' => Some((0x36, 0)),
+        '<' => Some((0x36, shift)),
+        '.' => Some((0x37, 0)),
+        '>' => Some((0x37, shift)),
+        '/' => Some((0x38, 0)),
+        '?' => Some((0x38, shift)),
+        ' ' => Some((0x2C, 0)),
+        '\n' | '\r' => Some((0x28, 0)),
+        '\t' => Some((0x2B, 0)),
+        _ => None,
+    }
+}

client/src/input/microphone.rs

@@ -154,3 +154,9 @@ impl MicrophoneCapture {
         String::new()
     }
 }
+
+impl Drop for MicrophoneCapture {
+    fn drop(&mut self) {
+        let _ = self.pipeline.set_state(gst::State::Null);
+    }
+}

client/src/input/mouse.rs

@@ -1,6 +1,6 @@
 // client/src/input/mouse.rs
 
-use evdev::{Device, EventType, InputEvent, KeyCode, RelativeAxisCode};
+use evdev::{AbsoluteAxisCode, Device, EventType, InputEvent, KeyCode, RelativeAxisCode};
 use std::time::{Duration, Instant};
 use tokio::sync::broadcast::{self, Sender};
 use tracing::{debug, error, trace, warn};
@@ -21,10 +21,41 @@ pub struct MouseAggregator {
     dx: i8,
     dy: i8,
     wheel: i8,
+    last_abs_x: Option<i32>,
+    last_abs_y: Option<i32>,
+    abs_scale: i32,
+    abs_jump_x: i32,
+    abs_jump_y: i32,
+    has_touch_state: bool,
+    touch_guarded: bool,
+    touch_active: bool,
 }
 
 impl MouseAggregator {
     pub fn new(dev: Device, dev_mode: bool, tx: Sender<MouseReport>) -> Self {
+        let abs_scale = std::env::var("LESAVKA_TOUCHPAD_SCALE")
+            .ok()
+            .and_then(|v| v.parse::<i32>().ok())
+            .unwrap_or(8)
+            .max(1);
+        let has_touch_state = dev
+            .supported_keys()
+            .map(|keys| keys.contains(KeyCode::BTN_TOUCH))
+            .unwrap_or(false)
+            || dev
+                .supported_absolute_axes()
+                .map(|abs| abs.contains(AbsoluteAxisCode::ABS_MT_TRACKING_ID))
+                .unwrap_or(false);
+        let abs_jump_x = Self::abs_jump_threshold(
+            &dev,
+            &[AbsoluteAxisCode::ABS_X, AbsoluteAxisCode::ABS_MT_POSITION_X],
+            abs_scale,
+        );
+        let abs_jump_y = Self::abs_jump_threshold(
+            &dev,
+            &[AbsoluteAxisCode::ABS_Y, AbsoluteAxisCode::ABS_MT_POSITION_Y],
+            abs_scale,
+        );
         Self {
             dev,
             tx,
@@ -36,6 +67,14 @@ impl MouseAggregator {
             dx: 0,
             dy: 0,
             wheel: 0,
+            last_abs_x: None,
+            last_abs_y: None,
+            abs_scale,
+            abs_jump_x,
+            abs_jump_y,
+            has_touch_state,
+            touch_guarded: false,
+            touch_active: true,
         }
     }
 
@@ -84,6 +123,15 @@ impl MouseAggregator {
                     c if c == KeyCode::BTN_LEFT.0 => self.set_btn(0, e.value()),
                     c if c == KeyCode::BTN_RIGHT.0 => self.set_btn(1, e.value()),
                     c if c == KeyCode::BTN_MIDDLE.0 => self.set_btn(2, e.value()),
+                    c if c == KeyCode::BTN_TOUCH.0 => {
+                        self.touch_guarded = true;
+                        self.touch_active = e.value() != 0;
+                        if !self.touch_active {
+                            self.last_abs_x = None;
+                            self.last_abs_y = None;
+                        }
+                        self.set_btn(0, e.value());
+                    }
                     _ => {}
                 },
                 EventType::RELATIVE => match e.code() {
@@ -98,12 +146,85 @@ impl MouseAggregator {
                     }
                     _ => {}
                 },
+                EventType::ABSOLUTE => match e.code() {
+                    c if c == AbsoluteAxisCode::ABS_X.0
+                        || c == AbsoluteAxisCode::ABS_MT_POSITION_X.0 =>
+                    {
+                        if self.touch_guarded && !self.touch_active {
+                            self.last_abs_x = Some(e.value());
+                            continue;
+                        }
+                        if let Some(prev) = self.last_abs_x {
+                            if !self.has_touch_state {
+                                let delta = (e.value() - prev).abs();
+                                if delta > self.abs_jump_x {
+                                    self.last_abs_x = Some(e.value());
+                                    continue;
+                                }
+                            }
+                            let delta = (e.value() - prev) / self.abs_scale;
+                            if delta != 0 {
+                                self.dx = self.dx.saturating_add(delta.clamp(-127, 127) as i8);
+                            }
+                        }
+                        self.last_abs_x = Some(e.value());
+                    }
+                    c if c == AbsoluteAxisCode::ABS_Y.0
+                        || c == AbsoluteAxisCode::ABS_MT_POSITION_Y.0 =>
+                    {
+                        if self.touch_guarded && !self.touch_active {
+                            self.last_abs_y = Some(e.value());
+                            continue;
+                        }
+                        if let Some(prev) = self.last_abs_y {
+                            if !self.has_touch_state {
+                                let delta = (e.value() - prev).abs();
+                                if delta > self.abs_jump_y {
+                                    self.last_abs_y = Some(e.value());
+                                    continue;
+                                }
+                            }
+                            let delta = (e.value() - prev) / self.abs_scale;
+                            if delta != 0 {
+                                self.dy = self.dy.saturating_add(delta.clamp(-127, 127) as i8);
+                            }
+                        }
+                        self.last_abs_y = Some(e.value());
+                    }
+                    c if c == AbsoluteAxisCode::ABS_MT_TRACKING_ID.0 => {
+                        if e.value() < 0 {
+                            self.touch_guarded = true;
+                            self.touch_active = false;
+                            self.last_abs_x = None;
+                            self.last_abs_y = None;
+                        } else {
+                            self.touch_guarded = true;
+                            self.touch_active = true;
+                        }
+                    }
+                    _ => {}
+                },
                 EventType::SYNCHRONIZATION => self.flush(),
                 _ => {}
             }
         }
     }
 
+    pub fn reset_state(&mut self) {
+        self.buttons = 0;
+        self.last_buttons = 0;
+        self.dx = 0;
+        self.dy = 0;
+        self.wheel = 0;
+        self.last_abs_x = None;
+        self.last_abs_y = None;
+        if !self.sending_disabled {
+            let _ = self.tx.send(MouseReport {
+                data: [0; 4].into(),
+            });
+        }
+    }
+
     fn flush(&mut self) {
         if self.buttons == self.last_buttons && Instant::now() < self.next_send {
             return;
@@ -143,6 +264,27 @@ impl MouseAggregator {
             self.buttons &= !(1 << bit)
         }
     }
+
+    fn abs_jump_threshold(dev: &Device, codes: &[AbsoluteAxisCode], abs_scale: i32) -> i32 {
+        let mut range: Option<i32> = None;
+        if let Ok(iter) = dev.get_absinfo() {
+            for (code, info) in iter {
+                if codes.iter().any(|c| *c == code) {
+                    range = Some(info.maximum() - info.minimum());
+                    break;
+                }
+            }
+        }
+        let mut threshold = range.unwrap_or(0).abs() / 3;
+        let min = (abs_scale * 40).max(50);
+        if threshold < min {
+            threshold = min;
+        }
+        if threshold == 0 {
+            threshold = min;
+        }
+        threshold
+    }
 }
 
 impl Drop for MouseAggregator {

client/src/lib.rs

@@ -7,5 +7,6 @@ pub mod handshake;
 pub mod input;
 pub mod layout;
 pub mod output;
+pub mod paste;
 
 pub use app::LesavkaClientApp;

client/src/output/layout.rs

@@ -29,54 +29,40 @@ pub fn assign_rectangles(
     match monitors.len() {
         0 => return rects, // impossible, but keep compiler happy
         1 => {
-            // One monitor: side-by-side layout
+            // One monitor: side-by-side layout, full height
             let m = &monitors[0].geometry;
-            let total_native_width: i32 = streams.iter().map(|(_, w, _)| *w).sum();
+            let count = streams.len().max(1) as i32;
-            let scale = f64::min(
+            let base_w = m.width() / count;
-                m.width() as f64 / total_native_width as f64,
-                m.height() as f64 / streams[0].2 as f64,
-            );
-            debug!("one-monitor scale = {}", scale);
-
             let mut x = m.x();
-            for (idx, &(_, w, h)) in streams.iter().enumerate() {
+            for (idx, _stream) in streams.iter().enumerate() {
-                let ww = (w as f64 * scale).round() as i32;
+                let w = if idx == streams.len() - 1 {
-                let hh = (h as f64 * scale).round() as i32;
+                    m.width() - base_w * (count - 1)
+                } else {
+                    base_w
+                };
                 rects[idx] = Rect {
                     x,
                     y: m.y(),
-                    w: ww,
+                    w,
-                    h: hh,
+                    h: m.height(),
                 };
-                x += ww;
+                x += w;
             }
         }
         _ => {
-            // ≥2 monitors: map 1-to-1 until we run out
+            // ≥2 monitors: map 1-to-1 until we run out, full screen per monitor
-            for (idx, stream) in streams.iter().enumerate() {
+            for (idx, _stream) in streams.iter().enumerate() {
                 if idx >= monitors.len() {
                     break;
                 }
 
                 let m = &monitors[idx];
                 let geom = m.geometry;
-                let (w, h) = (stream.1, stream.2);
-
-                let scale = f64::min(
-                    geom.width() as f64 / w as f64,
-                    geom.height() as f64 / h as f64,
-                );
-                debug!("monitor#{idx} scale = {scale}");
-
-                let ww = (w as f64 * scale).round() as i32;
-                let hh = (h as f64 * scale).round() as i32;
-                let xx = geom.x() + (geom.width() - ww) / 2;
-                let yy = geom.y() + (geom.height() - hh) / 2;
                 rects[idx] = Rect {
-                    x: xx,
+                    x: geom.x(),
-                    y: yy,
+                    y: geom.y(),
-                    w: ww,
+                    w: geom.width(),
-                    h: hh,
+                    h: geom.height(),
                 };
             }
         }

client/src/output/video.rs

@@ -70,10 +70,10 @@ impl MonitorWindow {
             if let Ok(overlay) = sink_elem.dynamic_cast::<VideoOverlay>() {
                 if let Some(r) = rects.get(id as usize) {
                     // 1. Tell glimagesink how to crop the texture in its own window
-                    let _ = overlay.set_render_rectangle(r.x, r.y, r.w, r.h);
+                    let _ = overlay.set_render_rectangle(0, 0, r.w, r.h);
                     debug!(
                         "🔲 eye-{id} → render_rectangle({}, {}, {}, {})",
-                        r.x, r.y, r.w, r.h
+                        0, 0, r.w, r.h
                     );
 
                     // 2. **Compositor-level** placement (Wayland only)
@@ -242,3 +242,9 @@ impl MonitorWindow {
         let _ = self.src.push_buffer(buf); // ignore Eos/flushing
     }
 }
+
+impl Drop for MonitorWindow {
+    fn drop(&mut self) {
+        let _ = self._pipeline.set_state(gst::State::Null);
+    }
+}

client/src/paste.rs

@@ -0,0 +1,73 @@
+// client/src/paste.rs
+#![forbid(unsafe_code)]
+
+use anyhow::{Context, Result};
+use base64::Engine as _;
+use base64::engine::general_purpose::STANDARD;
+use chacha20poly1305::aead::{Aead, KeyInit, OsRng, rand_core::RngCore};
+use chacha20poly1305::{ChaCha20Poly1305, Key, Nonce};
+
+use lesavka_common::lesavka::PasteRequest;
+
+pub fn build_paste_request(text: &str) -> Result<PasteRequest> {
+    let max = std::env::var("LESAVKA_PASTE_MAX")
+        .ok()
+        .and_then(|v| v.parse::<usize>().ok())
+        .unwrap_or(4096);
+    let text = if text.chars().count() > max {
+        text.chars().take(max).collect::<String>()
+    } else {
+        text.to_string()
+    };
+    let key = load_key()?;
+    let cipher = ChaCha20Poly1305::new(Key::from_slice(&key));
+
+    let mut nonce_bytes = [0u8; 12];
+    OsRng.fill_bytes(&mut nonce_bytes);
+    let nonce = Nonce::from_slice(&nonce_bytes);
+
+    let ciphertext = cipher
+        .encrypt(nonce, text.as_bytes())
+        .map_err(|e| anyhow::anyhow!("paste encrypt failed: {e}"))?;
+
+    Ok(PasteRequest {
+        nonce: nonce_bytes.to_vec(),
+        data: ciphertext,
+        encrypted: true,
+    })
+}
+
+fn load_key() -> Result<[u8; 32]> {
+    let raw = std::env::var("LESAVKA_PASTE_KEY")
+        .context("LESAVKA_PASTE_KEY not set (required for PasteText RPC)")?;
+    decode_key(&raw)
+}
+
+fn decode_key(raw: &str) -> Result<[u8; 32]> {
+    let s = raw.trim();
+    let s = s.strip_prefix("hex:").unwrap_or(s);
+    let bytes = if s.len() == 64 && s.chars().all(|c| c.is_ascii_hexdigit()) {
+        hex_to_bytes(s)?
+    } else {
+        STANDARD
+            .decode(s.as_bytes())
+            .context("LESAVKA_PASTE_KEY must be 32-byte base64 or 64-char hex")?
+    };
+    if bytes.len() != 32 {
+        anyhow::bail!("LESAVKA_PASTE_KEY must decode to 32 bytes");
+    }
+    let mut out = [0u8; 32];
+    out.copy_from_slice(&bytes);
+    Ok(out)
+}
+
+fn hex_to_bytes(s: &str) -> Result<Vec<u8>> {
+    let mut out = Vec::with_capacity(s.len() / 2);
+    let chars: Vec<char> = s.chars().collect();
+    for i in (0..chars.len()).step_by(2) {
+        let hi = chars[i].to_digit(16).context("hex decode failed")?;
+        let lo = chars[i + 1].to_digit(16).context("hex decode failed")?;
+        out.push(((hi << 4) | lo) as u8);
+    }
+    Ok(out)
+}

common/proto/lesavka.proto

@@ -11,6 +11,13 @@ message AudioPacket    { uint32 id = 1; uint64 pts = 2; bytes data = 3; }
 
 message ResetUsbReply  { bool ok = 1; } // true = success
 
+message PasteRequest   {
+  bytes nonce = 1;
+  bytes data = 2;
+  bool encrypted = 3;
+}
+message PasteReply     { bool ok = 1; string error = 2; }
+
 message HandshakeSet  {
   bool camera = 1;
   bool microphone = 2;
@@ -31,6 +38,7 @@ service Relay {
   rpc StreamMicrophone (stream AudioPacket)      returns (stream Empty);
   rpc StreamCamera     (stream VideoPacket)      returns (stream Empty);
 
+  rpc PasteText        (PasteRequest)            returns (PasteReply);
   rpc ResetUsb         (Empty)                   returns (ResetUsbReply);
 }
 

docker/client.Dockerfile

@@ -0,0 +1,49 @@
+FROM rust:1.87-bookworm AS builder
+
+WORKDIR /src
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    pkg-config \
+    libgstreamer1.0-dev \
+    libgstreamer-plugins-base1.0-dev \
+    libglib2.0-dev \
+    libgtk-4-dev \
+    libasound2-dev \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY . .
+
+RUN cargo build --release --manifest-path client/Cargo.toml
+
+FROM debian:bookworm-slim
+
+LABEL org.opencontainers.image.source="https://scm.bstein.dev/bstein/lesavka"
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libgtk-4-1 \
+    libgstreamer1.0-0 \
+    libgstreamer-plugins-base1.0-0 \
+    gstreamer1.0-plugins-base \
+    gstreamer1.0-plugins-good \
+    gstreamer1.0-plugins-bad \
+    gstreamer1.0-plugins-ugly \
+    gstreamer1.0-libav \
+    libglib2.0-0 \
+    libasound2 \
+    libx11-6 \
+    libxext6 \
+    libxfixes3 \
+    libxi6 \
+    libxrandr2 \
+    libxrender1 \
+    libxkbcommon0 \
+    libwayland-client0 \
+    libwayland-cursor0 \
+    libwayland-egl1 \
+    libegl1 \
+    libgl1 \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /src/client/target/release/lesavka-client /usr/local/bin/lesavka-client
+
+ENTRYPOINT ["lesavka-client"]

docker/server.Dockerfile

@@ -0,0 +1,38 @@
+FROM rust:1.87-bookworm AS builder
+
+WORKDIR /src
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    pkg-config \
+    libgstreamer1.0-dev \
+    libgstreamer-plugins-base1.0-dev \
+    libglib2.0-dev \
+    libudev-dev \
+    libasound2-dev \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY . .
+
+RUN cargo build --release --manifest-path server/Cargo.toml
+
+FROM debian:bookworm-slim
+
+LABEL org.opencontainers.image.source="https://scm.bstein.dev/bstein/lesavka"
+
+RUN apt-get update && apt-get install -y --no-install-recommends \
+    libgstreamer1.0-0 \
+    libgstreamer-plugins-base1.0-0 \
+    gstreamer1.0-plugins-base \
+    gstreamer1.0-plugins-good \
+    gstreamer1.0-plugins-bad \
+    gstreamer1.0-plugins-ugly \
+    gstreamer1.0-libav \
+    libglib2.0-0 \
+    libudev1 \
+    libasound2 \
+  && rm -rf /var/lib/apt/lists/*
+
+COPY --from=builder /src/server/target/release/lesavka-server /usr/local/bin/lesavka-server
+COPY scripts/daemon/lesavka-core.sh /usr/local/bin/lesavka-core.sh
+
+ENTRYPOINT ["lesavka-server"]

scripts/ansible/deploy-client.yml

@@ -0,0 +1,32 @@
+---
+- name: Deploy lesavka client binary
+  hosts: lesavka_client
+  become: true
+  vars:
+    lesavka_artifact_url: ""
+    lesavka_artifact_dest: "/tmp/lesavka-client.tar.gz"
+    lesavka_install_dir: "/usr/local/bin"
+  tasks:
+    - name: Ensure artifact URL is set
+      assert:
+        that:
+          - lesavka_artifact_url | length > 0
+        fail_msg: "Set lesavka_artifact_url to the Jenkins artifact tarball"
+
+    - name: Download client artifact
+      get_url:
+        url: "{{ lesavka_artifact_url }}"
+        dest: "{{ lesavka_artifact_dest }}"
+        mode: "0644"
+
+    - name: Unpack client artifact
+      unarchive:
+        src: "{{ lesavka_artifact_dest }}"
+        dest: "{{ lesavka_install_dir }}"
+        remote_src: true
+
+    - name: Restart lesavka-client
+      systemd:
+        name: lesavka-client
+        state: restarted
+        daemon_reload: true

scripts/ansible/deploy-server.yml

@@ -0,0 +1,32 @@
+---
+- name: Deploy lesavka server binary
+  hosts: lesavka_server
+  become: true
+  vars:
+    lesavka_artifact_url: ""
+    lesavka_artifact_dest: "/tmp/lesavka-server.tar.gz"
+    lesavka_install_dir: "/usr/local/bin"
+  tasks:
+    - name: Ensure artifact URL is set
+      assert:
+        that:
+          - lesavka_artifact_url | length > 0
+        fail_msg: "Set lesavka_artifact_url to the Jenkins artifact tarball"
+
+    - name: Download server artifact
+      get_url:
+        url: "{{ lesavka_artifact_url }}"
+        dest: "{{ lesavka_artifact_dest }}"
+        mode: "0644"
+
+    - name: Unpack server artifact
+      unarchive:
+        src: "{{ lesavka_artifact_dest }}"
+        dest: "{{ lesavka_install_dir }}"
+        remote_src: true
+
+    - name: Restart lesavka-server
+      systemd:
+        name: lesavka-server
+        state: restarted
+        daemon_reload: true

scripts/ci/build-dist.sh

@@ -0,0 +1,31 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)
+VERSION=$(awk -F'"' '/^version\s*=/{print $2; exit}' "${ROOT_DIR}/server/Cargo.toml")
+TARGET=$(rustc -vV | awk '/^host:/{print $2}')
+GIT_SHA=$(git -C "${ROOT_DIR}" rev-parse --short HEAD)
+DIST_DIR="${ROOT_DIR}/dist"
+
+mkdir -p "${DIST_DIR}"
+
+echo "Building server (release)..."
+cargo build --release --manifest-path "${ROOT_DIR}/server/Cargo.toml"
+
+SERVER_TAR="${DIST_DIR}/lesavka-server-${VERSION}-${TARGET}-${GIT_SHA}.tar.gz"
+SERVER_TMP=$(mktemp -d)
+install -Dm755 "${ROOT_DIR}/server/target/release/lesavka-server" "${SERVER_TMP}/lesavka-server"
+install -Dm755 "${ROOT_DIR}/scripts/daemon/lesavka-core.sh" "${SERVER_TMP}/lesavka-core.sh"
+tar -czf "${SERVER_TAR}" -C "${SERVER_TMP}" lesavka-server lesavka-core.sh
+rm -rf "${SERVER_TMP}"
+
+echo "Building client (release)..."
+cargo build --release --manifest-path "${ROOT_DIR}/client/Cargo.toml"
+
+CLIENT_TAR="${DIST_DIR}/lesavka-client-${VERSION}-${TARGET}-${GIT_SHA}.tar.gz"
+CLIENT_TMP=$(mktemp -d)
+install -Dm755 "${ROOT_DIR}/client/target/release/lesavka-client" "${CLIENT_TMP}/lesavka-client"
+tar -czf "${CLIENT_TAR}" -C "${CLIENT_TMP}" lesavka-client
+rm -rf "${CLIENT_TMP}"
+
+echo "Artifacts written to ${DIST_DIR}"

scripts/ci/build-images.sh

@@ -0,0 +1,63 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")/../.." && pwd)
+REGISTRY=${REGISTRY:-registry.bstein.dev}
+IMAGE_PREFIX=${IMAGE_PREFIX:-${REGISTRY}/lesavka}
+IMAGE_TAG=${IMAGE_TAG:-$(git -C "${ROOT_DIR}" rev-parse --short HEAD)}
+PUSH_IMAGES=${PUSH_IMAGES:-1}
+PLATFORMS=${PLATFORMS:-linux/amd64,linux/arm64}
+
+should_push() {
+  case "${PUSH_IMAGES}" in
+    1|true|TRUE|yes|YES) return 0 ;;
+    *) return 1 ;;
+  esac
+}
+
+build_with_buildx() {
+  local dockerfile=$1
+  local image=$2
+
+  if should_push; then
+    docker buildx build \
+      --platform "${PLATFORMS}" \
+      -f "${dockerfile}" \
+      -t "${image}:${IMAGE_TAG}" \
+      -t "${image}:latest" \
+      --push \
+      "${ROOT_DIR}"
+  else
+    docker buildx build \
+      --platform "${PLATFORMS}" \
+      -f "${dockerfile}" \
+      -t "${image}:${IMAGE_TAG}" \
+      -t "${image}:latest" \
+      --load \
+      "${ROOT_DIR}"
+  fi
+}
+
+build_with_docker() {
+  local dockerfile=$1
+  local image=$2
+
+  docker build \
+    -f "${dockerfile}" \
+    -t "${image}:${IMAGE_TAG}" \
+    -t "${image}:latest" \
+    "${ROOT_DIR}"
+
+  if should_push; then
+    docker push "${image}:${IMAGE_TAG}"
+    docker push "${image}:latest"
+  fi
+}
+
+if docker buildx version >/dev/null 2>&1; then
+  build_with_buildx "${ROOT_DIR}/docker/server.Dockerfile" "${IMAGE_PREFIX}/server"
+  build_with_buildx "${ROOT_DIR}/docker/client.Dockerfile" "${IMAGE_PREFIX}/client"
+else
+  build_with_docker "${ROOT_DIR}/docker/server.Dockerfile" "${IMAGE_PREFIX}/server"
+  build_with_docker "${ROOT_DIR}/docker/client.Dockerfile" "${IMAGE_PREFIX}/client"
+fi

scripts/daemon/lesavka-uvc.sh

@@ -2,6 +2,12 @@
 # scripts/daemon/lesavka-uvc.sh - launch UVC control helper as a standalone service
 set -euo pipefail
 
+# Optional env file for runtime overrides (debug, width/fps, etc.)
+if [[ -r /etc/lesavka/uvc.env ]]; then
+    # shellcheck disable=SC1091
+    source /etc/lesavka/uvc.env
+fi
+
 DEV=${LESAVKA_UVC_DEV:-/dev/v4l/by-path/platform-1000480000.usb-video-index0}
 if [[ ! -e "$DEV" ]]; then
     DEV=/dev/video0

scripts/install/client.sh

@@ -3,20 +3,34 @@
 set -euo pipefail
 
 ORIG_USER=${SUDO_USER:-$(id -un)}
+SCRIPT_DIR=$(cd -- "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+REPO_ROOT=$(git -C "$SCRIPT_DIR/.." rev-parse --show-toplevel 2>/dev/null || true)
 
 # 1. packages (Arch)
 sudo pacman -Syq --needed --noconfirm \
   git rustup protobuf gcc clang evtest base-devel \
   gstreamer gst-plugins-base gst-plugins-good gst-plugins-bad gst-plugins-ugly gst-libav \
   pipewire pipewire-pulse \
-  wmctrl qt6-tools
+  wmctrl qt6-tools wl-clipboard xclip xsel
 
-# 1b. yay for AUR bits (run as the invoking user, never root)
+ensure_yay() {
-if ! command -v yay >/dev/null 2>&1; then
+  if command -v yay >/dev/null 2>&1; then
-  sudo -u "$ORIG_USER" bash -c 'cd /tmp && git clone --depth 1 https://aur.archlinux.org/yay.git &&
+    if sudo -u "$ORIG_USER" yay --version >/dev/null 2>&1; then
-                                cd yay && makepkg -si --noconfirm'
+      return
+    fi
+  fi
+  sudo -u "$ORIG_USER" bash -c 'rm -rf /tmp/yay &&
+    cd /tmp && git clone --depth 1 https://aur.archlinux.org/yay.git &&
+    cd yay && makepkg -si --noconfirm'
+}
+
+# 1b. grpcurl (prefer repo package; fallback to AUR if needed)
+if sudo pacman -Si grpcurl >/dev/null 2>&1; then
+  sudo pacman -Syq --needed --noconfirm grpcurl
+else
+  ensure_yay
+  sudo -u "$ORIG_USER" yay -S --needed --noconfirm grpcurl-bin
 fi
-sudo -u "$ORIG_USER" yay -S --needed --noconfirm grpcurl-bin
 
 # 1c. input access
 sudo usermod -aG input "$ORIG_USER"
@@ -25,14 +39,19 @@ sudo usermod -aG input "$ORIG_USER"
 sudo rustup default stable
 sudo -u "$ORIG_USER" rustup default stable
 
-# 3. clone / update into a user-writable dir
+# 3. clone / update into a user-writable dir (or use local repo if present)
 USER_HOME=$(getent passwd "$ORIG_USER" | cut -d: -f6)
-SRC="$USER_HOME/.local/src/lesavka"
+if [[ -n ${REPO_ROOT:-} && -d $REPO_ROOT/.git ]]; then
-sudo -u "$ORIG_USER" mkdir -p "$(dirname "$SRC")"
+  SRC="$REPO_ROOT"
-if [[ -d $SRC/.git ]]; then
+  echo "==> 3. Using local repo at $SRC"
-  sudo -u "$ORIG_USER" git -C "$SRC" pull --ff-only
 else
-  sudo -u "$ORIG_USER" git clone "$PWD" "$SRC"
+  SRC="$USER_HOME/.local/src/lesavka"
+  sudo -u "$ORIG_USER" mkdir -p "$(dirname "$SRC")"
+  if [[ -d $SRC/.git ]]; then
+    sudo -u "$ORIG_USER" git -C "$SRC" pull --ff-only
+  else
+    sudo -u "$ORIG_USER" git clone "$PWD" "$SRC"
+  fi
 fi
 
 # 4. build
@@ -68,3 +87,6 @@ EOF
 sudo systemctl daemon-reload
 sudo systemctl enable --now lesavka-client.service
 sudo systemctl restart lesavka-client || true
+
+echo "✅ lesavka-client installed to /usr/local/bin/lesavka-client"
+echo "➡️  Run: /usr/local/bin/lesavka-client (set LESAVKA_SERVER_ADDR as needed)"

scripts/install/server.sh

@@ -247,6 +247,7 @@ KillMode=process
 TimeoutStopSec=10
 StandardError=append:/tmp/lesavka-uvc.stderr
 User=root
+EnvironmentFile=-/etc/lesavka/uvc.env
 
 [Install]
 WantedBy=multi-user.target

server/Cargo.toml

@@ -25,6 +25,8 @@ gstreamer-video         = "0.23"
 udev                    = "0.8"
 prost-types             = "0.13"
 chrono                  = { version = "0.4", default-features = false, features = ["std", "clock", "serde"] }
+chacha20poly1305        = "0.10"
+base64                  = "0.22"
 
 [build-dependencies]
 prost-build             = "0.13"

server/src/audio.rs

@@ -2,7 +2,6 @@
 #![forbid(unsafe_code)]
 
 use anyhow::{Context, anyhow};
-use chrono::Local;
 use futures_util::Stream;
 use gst::ElementFactory;
 use gst::MessageView::*;
@@ -10,7 +9,7 @@ use gst::prelude::*;
 use gstreamer as gst;
 use gstreamer_app as gst_app;
 use std::sync::{Arc, Mutex};
-use std::time::{Duration, Instant, SystemTime, UNIX_EPOCH};
+use std::time::{Duration, Instant};
 use tokio_stream::wrappers::ReceiverStream;
 use tonic::Status;
 use tracing::{debug, error, warn};
@@ -256,22 +255,55 @@ impl Voice {
         let decodebin = gst::ElementFactory::make("decodebin")
             .build()
             .context("make decodebin")?;
+        let convert = gst::ElementFactory::make("audioconvert")
+            .build()
+            .context("make audioconvert")?;
+        let resample = gst::ElementFactory::make("audioresample")
+            .build()
+            .context("make audioresample")?;
+        let caps = gst::Caps::builder("audio/x-raw")
+            .field("format", "S16LE")
+            .field("channels", 2i32)
+            .field("rate", 48_000i32)
+            .build();
+        let capsfilter = gst::ElementFactory::make("capsfilter")
+            .property("caps", &caps)
+            .build()
+            .context("make capsfilter")?;
         let alsa_sink = gst::ElementFactory::make("alsasink")
             .build()
             .context("make alsasink")?;
 
         alsa_sink.set_property("device", &alsa_dev);
 
-        pipeline.add_many(&[appsrc.upcast_ref(), &decodebin, &alsa_sink])?;
+        pipeline.add_many(&[
+            appsrc.upcast_ref(),
+            &decodebin,
+            &convert,
+            &resample,
+            &capsfilter,
+            &alsa_sink,
+        ])?;
         appsrc.link(&decodebin)?;
+        gst::Element::link_many(&[&convert, &resample, &capsfilter, &alsa_sink])?;
 
         /*------------ decodebin autolink ----------------*/
-        let sink_clone = alsa_sink.clone(); // keep original for later
+        let convert_sink = convert
+            .static_pad("sink")
+            .context("audioconvert sink pad")?;
         decodebin.connect_pad_added(move |_db, pad| {
-            let sink_pad = sink_clone.static_pad("sink").unwrap();
+            if convert_sink.is_linked() {
-            if !sink_pad.is_linked() {
+                return;
-                let _ = pad.link(&sink_pad);
             }
+            let caps = pad.current_caps().unwrap_or_else(|| pad.query_caps(None));
+            let is_audio = caps
+                .structure(0)
+                .map(|s| s.name().starts_with("audio/"))
+                .unwrap_or(false);
+            if !is_audio {
+                return;
+            }
+            let _ = pad.link(&convert_sink);
         });
 
         // underrun ≠ error – just show a warning
@@ -290,8 +322,6 @@ impl Voice {
     }
 
     pub fn push(&mut self, pkt: &AudioPacket) {
-        use gst::prelude::*;
-
         self.tap.feed(&pkt.data);
 
         let mut buf = gst::Buffer::from_slice(pkt.data.clone());

server/src/bin/lesavka-uvc.rs

@@ -311,9 +311,7 @@ impl UvcConfig {
                 max_packet
             );
         }
-        if let Some(cfg_max) = read_u32_file(
+        if let Some(cfg_max) = read_u32_file(&format!("{CONFIGFS_UVC_BASE}/streaming_maxpacket")) {
-            &format!("{CONFIGFS_UVC_BASE}/streaming_maxpacket"),
-        ) {
             if max_packet > cfg_max {
                 eprintln!(
                     "[lesavka-uvc] configfs maxpacket {}: clamp max_packet {} -> {}",
@@ -820,13 +818,19 @@ fn read_u32_first(path: &str) -> Option<u32> {
 }
 
 fn read_configfs_snapshot() -> Option<ConfigfsSnapshot> {
-    let width = read_u32_file(&format!("{CONFIGFS_UVC_BASE}/streaming/mjpeg/m/720p/wWidth"))?;
+    let width = read_u32_file(&format!(
-    let height = read_u32_file(&format!("{CONFIGFS_UVC_BASE}/streaming/mjpeg/m/720p/wHeight"))?;
+        "{CONFIGFS_UVC_BASE}/streaming/mjpeg/m/720p/wWidth"
-    let default_interval =
+    ))?;
-        read_u32_file(&format!("{CONFIGFS_UVC_BASE}/streaming/mjpeg/m/720p/dwDefaultFrameInterval"))?;
+    let height = read_u32_file(&format!(
-    let frame_interval =
+        "{CONFIGFS_UVC_BASE}/streaming/mjpeg/m/720p/wHeight"
-        read_u32_first(&format!("{CONFIGFS_UVC_BASE}/streaming/mjpeg/m/720p/dwFrameInterval"))
+    ))?;
-            .unwrap_or(0);
+    let default_interval = read_u32_file(&format!(
+        "{CONFIGFS_UVC_BASE}/streaming/mjpeg/m/720p/dwDefaultFrameInterval"
+    ))?;
+    let frame_interval = read_u32_first(&format!(
+        "{CONFIGFS_UVC_BASE}/streaming/mjpeg/m/720p/dwFrameInterval"
+    ))
+    .unwrap_or(0);
     let maxpacket = read_u32_file(&format!("{CONFIGFS_UVC_BASE}/streaming_maxpacket"))?;
     let maxburst = read_u32_file(&format!("{CONFIGFS_UVC_BASE}/streaming_maxburst")).unwrap_or(0);
     Some(ConfigfsSnapshot {

server/src/camera.rs

@@ -70,9 +70,7 @@ pub fn current_camera_config() -> CameraConfig {
 
 fn select_camera_config() -> CameraConfig {
     let output_env = std::env::var("LESAVKA_CAM_OUTPUT").ok();
-    let output_override = output_env
+    let output_override = output_env.as_deref().and_then(parse_camera_output);
-        .as_deref()
-        .and_then(parse_camera_output);
 
     let require_connected = output_override != Some(CameraOutput::Hdmi);
     let hdmi = detect_hdmi_connector(require_connected);
@@ -204,15 +202,12 @@ fn detect_hdmi_connector(require_connected: bool) -> Option<HdmiConnector> {
         connectors.push((name, status, id));
     }
 
-    let matches_preferred = |name: &str, preferred: &str| {
+    let matches_preferred =
-        name == preferred || name.ends_with(preferred)
+        |name: &str, preferred: &str| name == preferred || name.ends_with(preferred);
-    };
 
     if let Some(pref) = preferred.as_deref() {
         for (name, status, id) in &connectors {
-            if matches_preferred(name, pref)
+            if matches_preferred(name, pref) && (!require_connected || status == "connected") {
-                && (!require_connected || status == "connected")
-            {
                 return Some(HdmiConnector {
                     name: name.clone(),
                     id: *id,

server/src/gadget.rs

@@ -120,7 +120,10 @@ impl UsbGadget {
         match Self::state(&ctrl) {
             Ok(state)
                 if !force_cycle
-                    && matches!(state.as_str(), "configured" | "addressed" | "default" | "suspended") =>
+                    && matches!(
+                        state.as_str(),
+                        "configured" | "addressed" | "default" | "suspended"
+                    ) =>
             {
                 warn!(
                     "🔒 refusing gadget cycle while host attached (state={state}); set LESAVKA_GADGET_FORCE_CYCLE=1 to override"

server/src/handshake.rs

@@ -1,11 +1,11 @@
 // ─── server/src/handshake.rs ───────────────────────────────────────────────
 use tonic::{Request, Response, Status};
 
+use crate::camera;
 use lesavka_common::lesavka::{
     Empty, HandshakeSet,
     handshake_server::{Handshake, HandshakeServer},
 };
-use crate::camera;
 
 pub struct HandshakeSvc;
 

server/src/lib.rs

@@ -4,4 +4,5 @@ pub mod audio;
 pub mod camera;
 pub mod gadget;
 pub mod handshake;
+pub mod paste;
 pub mod video;

server/src/main.rs

@@ -19,11 +19,12 @@ use tracing_appender::non_blocking::WorkerGuard;
 use tracing_subscriber::{filter::EnvFilter, fmt, prelude::*};
 
 use lesavka_common::lesavka::{
-    AudioPacket, Empty, KeyboardReport, MonitorRequest, MouseReport, ResetUsbReply, VideoPacket,
+    AudioPacket, Empty, KeyboardReport, MonitorRequest, MouseReport, PasteReply, PasteRequest,
+    ResetUsbReply, VideoPacket,
     relay_server::{Relay, RelayServer},
 };
 
-use lesavka_server::{audio, camera, gadget::UsbGadget, handshake::HandshakeSvc, video};
+use lesavka_server::{audio, camera, gadget::UsbGadget, handshake::HandshakeSvc, paste, video};
 
 /*──────────────── constants ────────────────*/
 const VERSION: &str = env!("CARGO_PKG_VERSION");
@@ -489,6 +490,21 @@ impl Relay for Handler {
         Ok(Response::new(Box::pin(s)))
     }
 
+    async fn paste_text(&self, req: Request<PasteRequest>) -> Result<Response<PasteReply>, Status> {
+        let req = req.into_inner();
+        let text = paste::decrypt(&req).map_err(|e| Status::unauthenticated(format!("{e}")))?;
+        if let Err(e) = paste::type_text(self.kb.as_ref(), &text).await {
+            return Ok(Response::new(PasteReply {
+                ok: false,
+                error: format!("{e}"),
+            }));
+        }
+        Ok(Response::new(PasteReply {
+            ok: true,
+            error: String::new(),
+        }))
+    }
+
     /*────────────── USB-reset RPC ────────────*/
     async fn reset_usb(&self, _req: Request<Empty>) -> Result<Response<ResetUsbReply>, Status> {
         info!("🔴 explicit ResetUsb() called");

server/src/paste.rs

@@ -0,0 +1,132 @@
+// server/src/paste.rs
+#![forbid(unsafe_code)]
+
+use anyhow::{Context, Result};
+use base64::Engine as _;
+use base64::engine::general_purpose::STANDARD;
+use chacha20poly1305::aead::{Aead, KeyInit};
+use chacha20poly1305::{ChaCha20Poly1305, Key, Nonce};
+use tokio::fs::File;
+use tokio::io::AsyncWriteExt;
+use tokio::sync::Mutex;
+
+use lesavka_common::lesavka::PasteRequest;
+
+pub fn decrypt(req: &PasteRequest) -> Result<String> {
+    if !req.encrypted {
+        anyhow::bail!("paste request must be encrypted");
+    }
+    let key = load_key()?;
+    let cipher = ChaCha20Poly1305::new(Key::from_slice(&key));
+    let nonce = Nonce::from_slice(&req.nonce);
+    let plaintext = cipher
+        .decrypt(nonce, req.data.as_ref())
+        .map_err(|e| anyhow::anyhow!("paste decrypt failed: {e}"))?;
+    Ok(String::from_utf8(plaintext).context("paste plaintext not UTF-8")?)
+}
+
+pub async fn type_text(kb: &Mutex<File>, text: &str) -> Result<()> {
+    let max = std::env::var("LESAVKA_PASTE_MAX")
+        .ok()
+        .and_then(|v| v.parse::<usize>().ok())
+        .unwrap_or(4096);
+    let delay_ms = std::env::var("LESAVKA_PASTE_DELAY_MS")
+        .ok()
+        .and_then(|v| v.parse::<u64>().ok())
+        .unwrap_or(1);
+    let delay = std::time::Duration::from_millis(delay_ms);
+
+    let mut kb = kb.lock().await;
+    for c in text.chars().take(max) {
+        if let Some((usage, mods)) = char_to_usage(c) {
+            let report = [mods, 0, usage, 0, 0, 0, 0, 0];
+            kb.write_all(&report).await?;
+            kb.write_all(&[0u8; 8]).await?;
+            if delay_ms > 0 {
+                tokio::time::sleep(delay).await;
+            }
+        }
+    }
+    Ok(())
+}
+
+fn load_key() -> Result<[u8; 32]> {
+    let raw = std::env::var("LESAVKA_PASTE_KEY")
+        .context("LESAVKA_PASTE_KEY not set (required for PasteText RPC)")?;
+    decode_key(&raw)
+}
+
+fn decode_key(raw: &str) -> Result<[u8; 32]> {
+    let s = raw.trim();
+    let s = s.strip_prefix("hex:").unwrap_or(s);
+    let bytes = if s.len() == 64 && s.chars().all(|c| c.is_ascii_hexdigit()) {
+        hex_to_bytes(s)?
+    } else {
+        STANDARD
+            .decode(s.as_bytes())
+            .context("LESAVKA_PASTE_KEY must be 32-byte base64 or 64-char hex")?
+    };
+    if bytes.len() != 32 {
+        anyhow::bail!("LESAVKA_PASTE_KEY must decode to 32 bytes");
+    }
+    let mut out = [0u8; 32];
+    out.copy_from_slice(&bytes);
+    Ok(out)
+}
+
+fn hex_to_bytes(s: &str) -> Result<Vec<u8>> {
+    let mut out = Vec::with_capacity(s.len() / 2);
+    let chars: Vec<char> = s.chars().collect();
+    for i in (0..chars.len()).step_by(2) {
+        let hi = chars[i].to_digit(16).context("hex decode failed")?;
+        let lo = chars[i + 1].to_digit(16).context("hex decode failed")?;
+        out.push(((hi << 4) | lo) as u8);
+    }
+    Ok(out)
+}
+
+fn char_to_usage(c: char) -> Option<(u8, u8)> {
+    let shift = 0x02; // left shift in HID modifier byte
+    match c {
+        'a'..='z' => Some((0x04 + (c as u8 - b'a'), 0)),
+        'A'..='Z' => Some((0x04 + (c as u8 - b'A'), shift)),
+        '1'..='9' => Some((0x1E + (c as u8 - b'1'), 0)),
+        '0' => Some((0x27, 0)),
+        '!' => Some((0x1E, shift)),
+        '@' => Some((0x1F, shift)),
+        '#' => Some((0x20, shift)),
+        '$' => Some((0x21, shift)),
+        '%' => Some((0x22, shift)),
+        '^' => Some((0x23, shift)),
+        '&' => Some((0x24, shift)),
+        '*' => Some((0x25, shift)),
+        '(' => Some((0x26, shift)),
+        ')' => Some((0x27, shift)),
+        '-' => Some((0x2D, 0)),
+        '_' => Some((0x2D, shift)),
+        '=' => Some((0x2E, 0)),
+        '+' => Some((0x2E, shift)),
+        '[' => Some((0x2F, 0)),
+        '{' => Some((0x2F, shift)),
+        ']' => Some((0x30, 0)),
+        '}' => Some((0x30, shift)),
+        '\\' => Some((0x31, 0)),
+        '|' => Some((0x31, shift)),
+        ';' => Some((0x33, 0)),
+        ':' => Some((0x33, shift)),
+        '\'' => Some((0x34, 0)),
+        '"' => Some((0x34, shift)),
+        '`' => Some((0x35, 0)),
+        '~' => Some((0x35, shift)),
+        ',' => Some((0x36, 0)),
+        '<' => Some((0x36, shift)),
+        '.' => Some((0x37, 0)),
+        '>' => Some((0x37, shift)),
+        '/' => Some((0x38, 0)),
+        '?' => Some((0x38, shift)),
+        ' ' => Some((0x2C, 0)),
+        '\n' | '\r' => Some((0x28, 0)),
+        '\t' => Some((0x2B, 0)),
+        _ => None,
+    }
+}

server/src/video.rs

@@ -413,7 +413,6 @@ impl WebcamSink {
             tracing::warn!(target:"lesavka_server::video", %err, "📸⚠️  appsrc push failed");
         }
     }
-
 }
 
 pub struct HdmiSink {