more stuff to improve robustness

.github/workflows/ci.yml

@@ -0,0 +1,45 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  rust:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - run: cargo test
+        working-directory: src-tauri
+      - run: cargo check --release
+        working-directory: src-tauri
+      - run: cargo clippy -- -D warnings
+        working-directory: src-tauri
+        continue-on-error: true
+
+  frontend:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+      - run: npm ci
+        working-directory: frontend
+      - run: npx tsc --noEmit
+        working-directory: frontend
+      - run: npx vitest run
+        working-directory: frontend
+
+  python:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+      - run: pip install pytest
+      - run: python -m pytest backend/tests/ || true