diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 9094a1ee..896723db 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -17,9 +17,16 @@ permissions:
 jobs:
   # ── Rust: build check ─────────────────────────────────────────────
   rust-build-check:
-    name: Rust Build Check
-    runs-on: ubuntu-latest
+    name: Rust Build Check (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
     needs: frontend-build
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - macos-15
+          - windows-latest
     steps:
       - uses: actions/checkout@v4
 
@@ -30,9 +37,12 @@ jobs:
           path: dist
 
       - name: Create mobile-web dist directory (workaround for Tauri)
-        run: mkdir -p mobile-web/dist
+        shell: bash
+        run: mkdir -p src/mobile-web/dist
 
       - name: Install Linux system dependencies (Tauri)
+        if: runner.os == 'Linux'
+        shell: bash
         run: |
           sudo apt-get update
           if apt-cache show libwebkit2gtk-4.1-dev >/dev/null 2>&1; then
@@ -60,10 +70,10 @@ jobs:
 
       - uses: swatinem/rust-cache@v2
         with:
-          shared-key: "ci-check"
+          shared-key: "ci-check-${{ runner.os }}"
 
       - name: Check compilation
-        run: cargo check --workspace --exclude bitfun-desktop
+        run: cargo check --workspace --exclude bitfun-cli
 
   # ── Frontend: build ────────────────────────────────────────────────
   frontend-build:
diff --git a/src/apps/desktop/tauri.conf.json b/src/apps/desktop/tauri.conf.json
index 50e13b27..38db91f1 100644
--- a/src/apps/desktop/tauri.conf.json
+++ b/src/apps/desktop/tauri.conf.json
@@ -3,7 +3,7 @@
   "productName": "BitFun",
   "identifier": "com.bitfun.desktop",
   "build": {
-    "beforeDevCommand": "pnpm run dev:web",
+    "beforeDevCommand": "pnpm run type-check:web && pnpm run dev:web",
     "devUrl": "http://localhost:1422",
     "beforeBuildCommand": "pnpm run build:web && pnpm run prepare:mobile-web",
     "frontendDist": "../../../dist"
diff --git a/src/web-ui/src/app/components/NavPanel/sections/sessions/SessionsSection.tsx b/src/web-ui/src/app/components/NavPanel/sections/sessions/SessionsSection.tsx
index 4e8e160b..14bdb5a7 100644
--- a/src/web-ui/src/app/components/NavPanel/sections/sessions/SessionsSection.tsx
+++ b/src/web-ui/src/app/components/NavPanel/sections/sessions/SessionsSection.tsx
@@ -15,7 +15,6 @@ import type { FlowChatState, Session } from '../../../../../flow_chat/types/flow
 import { useSceneStore } from '../../../../stores/sceneStore';
 import { useApp } from '../../../../hooks/useApp';
 import type { SceneTabId } from '../../../SceneBar/types';
-import type { SessionMode } from '../../../../stores/sessionModeStore';
 import { useWorkspaceContext } from '@/infrastructure/contexts/WorkspaceContext';
 import { createLogger } from '@/shared/utils/logger';
 import './SessionsSection.scss';