Refactor: Improve Python 3.8+ compatibility & Fix bg_tasks memory leak

.github/workflows/ci.yml

@@ -0,0 +1,33 @@
+name: CI
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  python-checks:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.11", "3.12"]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - run: python -m pip install -r backend/requirements.txt
+      - run: python -m compileall backend scripts set_state.py office-agent-push.py
+      - run: python scripts/security_check.py
+
+  smoke:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - run: python -m pip install -r backend/requirements.txt
+      - run: cp state.sample.json state.json
+      - run: python backend/app.py &
+      - run: python scripts/smoke_test.py --base-url http://127.0.0.1:19000 --timeout 8 --retries 5 --skip-set-state

.gitignore

@@ -1,39 +1,44 @@
-# Python environment
-__pycache__/
-*.py[cod]
-*.pyo
-*.pyd
-*.egg-info/
-.venv/
-venv/
-.env
-
-# OS/editor
-.DS_Store
-
-# Runtime state (local only)
-state.json
-agents-state.json
-runtime-config.json
-*.log
-*.out
-*.pid
-*.backup*
-*.original
-cloudflared.pid
-cloudflared.out
-healthcheck.log
-backend.log
-
-# Generated / mutable assets (local only)
-assets/bg-history/
-assets/home-favorites/
-frontend/office_bg.png
-frontend/*.bak
-layers/
-desktop-pet/src-tauri/icons/*Logo.png
-
-# Electron local build artifacts
-electron-shell/node_modules/
-electron-shell/release/
-join-keys.json
+# Python environment
+__pycache__/
+*.py[cod]
+*.pyo
+*.pyd
+*.egg-info/
+.venv/
+venv/
+.env
+
+# OS/editor
+.DS_Store
+.vscode/
+.idea/
+*.swp
+*.swo
+.trae/
+
+# Runtime state (local only)
+state.json
+agents-state.json
+runtime-config.json
+*.log
+*.out
+*.pid
+*.backup*
+*.original
+cloudflared.pid
+cloudflared.out
+healthcheck.log
+backend.log
+
+# Generated / mutable assets (local only)
+assets/bg-history/
+assets/home-favorites/
+frontend/office_bg.png
+frontend/*.bak
+layers/
+desktop-pet/src-tauri/icons/*Logo.png
+
+# Electron local build artifacts
+electron-shell/node_modules/
+electron-shell/release/
+join-keys.json