fix: bundle daemon sidecars in app build

Author: Vladislav Forsh

.gitignore

@@ -33,6 +33,7 @@ CodexMonitor.zip
 .claude/
 .cursor/
 public/assets/material-icons/
+src-tauri/binaries/
 
 # Nix
 result

README.md

@@ -217,6 +217,8 @@ Build the production Tauri bundle:
 npm run tauri:build
 ```
 
+`tauri:build` now prepares and bundles both sidecars (`codex_monitor_daemon` and `codex_monitor_daemonctl`) into the app bundle automatically.
+
 Artifacts will be in `src-tauri/target/release/bundle/` (platform-specific subfolders).
 
 ### Windows (opt-in)

package.json

@@ -10,6 +10,7 @@
     "dev": "vite",
     "prebuild": "npm run sync:material-icons",
     "build": "tsc && vite build",
+    "build:tauri-sidecars": "sh scripts/build-tauri-sidecars.sh",
     "build:appimage": "NO_STRIP=1 tauri build --bundles appimage",
     "doctor": "sh scripts/doctor.sh",
     "doctor:strict": "sh scripts/doctor.sh --strict",

scripts/build-tauri-sidecars.sh

@@ -0,0 +1,70 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+script_dir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+repo_root="$(cd "${script_dir}/.." && pwd)"
+src_tauri_dir="${repo_root}/src-tauri"
+binaries_dir="${src_tauri_dir}/binaries"
+
+build_target="${TARGET:-${CARGO_BUILD_TARGET:-}}"
+if [[ -z "${build_target}" ]]; then
+  build_target="$(rustc -vV | awk '/^host: / { print $2 }')"
+fi
+if [[ -z "${build_target}" ]]; then
+  echo "Failed to resolve Rust target triple"
+  exit 1
+fi
+
+cargo_target_args=()
+release_dir="${src_tauri_dir}/target/release"
+if [[ -n "${TARGET:-${CARGO_BUILD_TARGET:-}}" ]]; then
+  cargo_target_args=(--target "${build_target}")
+  release_dir="${src_tauri_dir}/target/${build_target}/release"
+fi
+
+bin_ext=""
+if [[ "${build_target}" == *windows* ]]; then
+  bin_ext=".exe"
+fi
+
+mkdir -p "${binaries_dir}"
+
+daemon_sidecar_path="${binaries_dir}/codex_monitor_daemon-${build_target}${bin_ext}"
+daemonctl_sidecar_path="${binaries_dir}/codex_monitor_daemonctl-${build_target}${bin_ext}"
+
+# Bootstrap sidecar paths so tauri's build-script path checks can pass.
+if [[ ! -f "${daemon_sidecar_path}" ]]; then
+  : > "${daemon_sidecar_path}"
+fi
+if [[ ! -f "${daemonctl_sidecar_path}" ]]; then
+  : > "${daemonctl_sidecar_path}"
+fi
+if [[ -z "${bin_ext}" ]]; then
+  chmod +x "${daemon_sidecar_path}" "${daemonctl_sidecar_path}"
+fi
+
+(
+  cd "${src_tauri_dir}"
+  if [[ ${#cargo_target_args[@]} -gt 0 ]]; then
+    cargo build --release "${cargo_target_args[@]}" \
+      --bin codex_monitor_daemon \
+      --bin codex_monitor_daemonctl
+  else
+    cargo build --release \
+      --bin codex_monitor_daemon \
+      --bin codex_monitor_daemonctl
+  fi
+)
+
+cp -f \
+  "${release_dir}/codex_monitor_daemon${bin_ext}" \
+  "${daemon_sidecar_path}"
+cp -f \
+  "${release_dir}/codex_monitor_daemonctl${bin_ext}" \
+  "${daemonctl_sidecar_path}"
+
+if [[ -z "${bin_ext}" ]]; then
+  chmod +x "${daemon_sidecar_path}" "${daemonctl_sidecar_path}"
+fi
+
+echo "Prepared sidecars for ${build_target} in ${binaries_dir}"

src-tauri/tauri.conf.json

@@ -6,7 +6,7 @@
   "build": {
     "beforeDevCommand": "npm run dev",
     "devUrl": "http://localhost:1420",
-    "beforeBuildCommand": "npm run build",
+    "beforeBuildCommand": "npm run build && ./scripts/build-tauri-sidecars.sh",
     "frontendDist": "../dist"
   },
   "app": {
@@ -43,6 +43,10 @@
     "active": true,
     "targets": "all",
     "createUpdaterArtifacts": true,
+    "externalBin": [
+      "binaries/codex_monitor_daemon",
+      "binaries/codex_monitor_daemonctl"
+    ],
     "iOS": {
       "frameworks": [
         "libz.tbd",