diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 7354ce4..4f8566c 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -1,4 +1,4 @@
-# Релиз: сборка .app / DMG, подпись (при наличии ключа), публикация в GitHub Releases и latest.json
+# Релиз: сборка .app / DMG / exe / deb, подпись (при наличии ключа), публикация в GitHub Releases и latest.json
 # Настройка: в Secrets репозитория добавить TAURI_SIGNING_PRIVATE_KEY (приватный ключ от tauri signer generate)
 name: Release
 
@@ -6,14 +6,24 @@ on:
   push:
     tags:
       - 'v*'
+  release:
+    types: [published]
+
+concurrency:
+  group: release-${{ github.event.release.tag_name || github.ref_name }}
+  cancel-in-progress: false
 
 permissions:
   contents: write
 
 jobs:
   release:
-    name: Build & Release
-    runs-on: macos-latest
+    name: Build & Release (${{ matrix.os }})
+    strategy:
+      fail-fast: false
+      matrix:
+        os: [macos-latest, ubuntu-latest, windows-latest]
+    runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4
 
@@ -24,23 +34,35 @@ jobs:
           cache: 'npm'
           cache-dependency-path: desktop/ui/package-lock.json
 
-      - name: Install Rust toolchain
+      - name: Install Rust toolchain (macOS)
+        if: matrix.os == 'macos-latest'
         uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: stable
+          targets: aarch64-apple-darwin,x86_64-apple-darwin
+
+      - name: Install Rust toolchain (other)
+        if: matrix.os != 'macos-latest'
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          toolchain: stable
+
+      - name: Install Linux deps
+        if: matrix.os == 'ubuntu-latest'
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y \
+            libwebkit2gtk-4.1-dev libgtk-3-dev libayatana-appindicator3-dev \
+            librsvg2-dev patchelf pkg-config
 
       - name: Install UI deps
         run: cd desktop/ui && npm ci
 
       - name: Debug tauri config
+        if: matrix.os == 'macos-latest'
         run: |
           echo "PWD=$(pwd)"
-          ls -la
-          echo "---- desktop/src-tauri/tauri.conf.json ----"
-          sed -n '1,200p' desktop/src-tauri/tauri.conf.json
-          echo "beforeBuildCommand:"
           grep -n "beforeBuildCommand" desktop/src-tauri/tauri.conf.json || true
-          echo "Find other tauri configs:"
           find . -maxdepth 4 \( -name "tauri.conf.json" -o -name "tauri.config.*" \) || true
 
       - name: Build Tauri (release)
@@ -52,4 +74,38 @@ jobs:
         with:
           projectPath: desktop/src-tauri
           includeUpdaterJson: true
-          tagName: ${{ github.ref_name }}
+          tagName: ${{ github.event.release.tag_name || github.ref_name }}
+          releaseName: ${{ github.event.release.tag_name || github.ref_name }}
+
+      - name: Smoke — check macOS bundle
+        if: matrix.os == 'macos-latest'
+        run: |
+          ls -la desktop/src-tauri/target/release/bundle || true
+          find desktop/src-tauri/target/release/bundle -maxdepth 4 -type f 2>/dev/null | head -100
+
+      - name: Smoke — check Windows bundle
+        if: matrix.os == 'windows-latest'
+        run: dir desktop\src-tauri\target\release\bundle
+
+      - name: Smoke — check Linux bundle
+        if: matrix.os == 'ubuntu-latest'
+        run: |
+          ls -la desktop/src-tauri/target/release/bundle || true
+          find desktop/src-tauri/target/release/bundle -maxdepth 4 -type f 2>/dev/null | head -100
+
+      - name: Validate latest.json schema (if present)
+        id: validate-latest-json
+        if: matrix.os == 'macos-latest'
+        run: |
+          F=$(find desktop/src-tauri -name 'latest.json' -type f 2>/dev/null | head -1)
+          if [ -n "$F" ]; then
+            npx --yes ajv-cli@latest validate -s docs/latest.schema.json -d "$F" || (echo "--- latest.json (first 50 lines) ---"; head -50 "$F"; exit 1)
+          else
+            echo "latest.json not found in workspace (uploaded by tauri-action); skipping validation"
+          fi
+
+      - name: Dump latest.json on validation failure
+        if: failure() && matrix.os == 'macos-latest'
+        run: |
+          F=$(find desktop/src-tauri -name 'latest.json' -type f 2>/dev/null | head -1)
+          if [ -n "$F" ]; then echo "--- latest.json ---"; head -80 "$F"; fi