nikking/space between turns

README.md

@@ -78,7 +78,7 @@ sudo -E ./target/debug/voice-keyboard --test-stt
 
 ## Speech-to-Text Service
 
-This application uses **Deepgram Flux**, the company's new turn‑taking STT API. The default WebSocket URL is `wss://api.preview.deepgram.com/v2/listen`.
+This application uses **Deepgram Flux**, the company's new turn‑taking STT API. The default WebSocket URL is `wss://api.deepgram.com/v2/listen`.
 
 ## Command Line Options
 
@@ -89,7 +89,7 @@ OPTIONS:
     --test-audio        Test audio input and show levels
     --test-stt          Test speech-to-text functionality (default if no other mode specified)
     --debug-stt         Debug speech-to-text (print transcripts without typing)
-    --stt-url <URL>     Custom STT service URL (default: wss://api.preview.deepgram.com/v2/listen)
+    --stt-url <URL>     Custom STT service URL (default: wss://api.deepgram.com/v2/listen)
     -h, --help          Print help information
     -V, --version       Print version information
 ```
@@ -116,7 +116,7 @@ The application provides sophisticated real-time transcript updates:
 
 ## About Deepgram Flux (Early Access)
 
-- **Endpoint**: `wss://api.preview.deepgram.com/v2/listen`
+- **Endpoint**: `wss://api.deepgram.com/v2/listen`
 - **What it is**: Flux is Deepgram's turn‑taking, low‑latency STT API designed for conversational experiences.
 - **Authentication**: Send an `Authorization` header. Common forms:
   - `Token <DEEPGRAM_API_KEY>` (what this app uses)

flake.nix

@@ -0,0 +1,22 @@
+{
+  inputs = {
+    naersk.url = "github:nix-community/naersk/master";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    utils.url = "github:numtide/flake-utils";
+  };
+
+  outputs = { self, nixpkgs, utils, naersk }:
+    utils.lib.eachDefaultSystem (system:
+      let
+        pkgs = import nixpkgs { inherit system; };
+        naersk-lib = pkgs.callPackage naersk { };
+      in
+      {
+        defaultPackage = naersk-lib.buildPackage ./.;
+        devShell = with pkgs; mkShell {
+          buildInputs = [ cargo rustc rustfmt rust-analyzer pre-commit rustPackages.clippy alsa-lib ];
+          RUST_SRC_PATH = rustPlatform.rustLibSrc;
+        };
+      }
+    );
+}

run.sh

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # Voice Keyboard Runner Script
 # This script runs the voice-keyboard with proper privilege handling
@@ -11,22 +11,23 @@
 
 # Check if we're already running as root
 if [ "$EUID" -eq 0 ]; then
-    echo "Error: Don't run this script as root. It will handle privileges automatically."
-    exit 1
+  echo "Error: Don't run this script as root. It will handle privileges automatically."
+  exit 1
 fi
 
 # Build the project first
 echo "Building voice-keyboard..."
 cargo build
 
 if [ $? -ne 0 ]; then
-    echo "Build failed!"
-    exit 1
+  echo "Build failed!"
+  exit 1
 fi
 
 # Run with sudo -E to preserve environment variables
 echo "Starting voice-keyboard with privilege dropping..."
 echo "Note: This will create a virtual keyboard as root, then drop privileges for audio access."
 echo ""
 
-sudo -E ./target/debug/voice-keyboard "$@" 
+sudo -E ./target/debug/voice-keyboard "$@"
+

src/stt_client.rs

@@ -9,7 +9,7 @@ use tokio_tungstenite::tungstenite::error::Error as WsError;
 use tokio_tungstenite::{connect_async, tungstenite::Message};
 use tracing::{debug, error, info};
 
-pub const STT_URL: &str = "wss://api.preview.deepgram.com/v2/listen";
+pub const STT_URL: &str = "wss://api.deepgram.com/v2/listen";
 
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct WordInfo {

src/virtual_keyboard.rs

@@ -346,6 +346,9 @@ impl<H: KeyboardHardware> VirtualKeyboard<H> {
         // Clear the current text tracking
         self.current_text.clear();
 
+        // Add a space after the end of each turn
+        self.hardware.type_text(" ")?;
+
         Ok(())
     }
 
@@ -475,10 +478,11 @@ mod tests {
         assert_eq!(kb.current_text, "hello");
         assert!(!kb.hardware.enter_pressed);
 
-        // Finalize (should not press enter anymore)
+        // Finalize (should not press enter anymore but should add a space)
         kb.finalize_transcript().unwrap();
         assert_eq!(kb.current_text, "");
         assert!(!kb.hardware.enter_pressed); // Should remain false
+        assert_eq!(kb.hardware.typed_chars, ['h', 'e', 'l', 'l', 'o', ' ']);
     }
 
     #[test]
@@ -610,12 +614,13 @@ mod tests {
         assert_eq!(kb.current_text, "hello world");
         assert!(!kb.hardware.enter_pressed);
 
-        // Finalize - should not press ENTER key
+        // Finalize - should not press ENTER key but should add a space
         kb.finalize_transcript().unwrap();
         assert_eq!(kb.current_text, "");
         assert!(!kb.hardware.enter_pressed);
         // Should not have backspaced anything for the enter command
         assert_eq!(kb.hardware.backspace_count, 0);
+        assert_eq!(kb.hardware.typed_chars, ['h', 'e', 'l', 'l', 'o', ' ', 'w', 'o', 'r', 'l', 'd', ' ']);
     }
 
     #[test]
@@ -627,12 +632,13 @@ mod tests {
         assert_eq!(kb.current_text, "enter the room");
         assert!(!kb.hardware.enter_pressed);
 
-        // Finalize - should not press ENTER key since "enter" is not the last word
+        // Finalize - should not press ENTER key since "enter" is not the last word but should add a space
         kb.finalize_transcript().unwrap();
         assert_eq!(kb.current_text, "");
         assert!(!kb.hardware.enter_pressed);
         // Should not have backspaced anything for the enter command
         assert_eq!(kb.hardware.backspace_count, 0);
+        assert_eq!(kb.hardware.typed_chars, ['e', 'n', 't', 'e', 'r', ' ', 't', 'h', 'e', ' ', 'r', 'o', 'o', 'm', ' ']);
     }
 
     #[test]