chore: initialize WiseGrade project

backend/.dockerignore

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+.venv/
+.pytest_cache/
+__pycache__/
+*.pyc
+tests/
+*.db
+*.sqlite3
+.env

backend/Dockerfile

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+FROM python:3.11-slim
+ENV PYTHONDONTWRITEBYTECODE=1 PYTHONUNBUFFERED=1 HF_HUB_OFFLINE=1 TRANSFORMERS_OFFLINE=1
+RUN apt-get update && apt-get install -y --no-install-recommends libreoffice poppler-utils fonts-noto-cjk libpango-1.0-0 libpangoft2-1.0-0 libgl1 libglib2.0-0 && rm -rf /var/lib/apt/lists/*
+WORKDIR /app
+COPY --from=ghcr.io/astral-sh/uv:0.11.0 /uv /uvx /bin/
+COPY pyproject.toml uv.lock ./
+RUN uv sync --frozen --no-dev --extra ocr
+COPY . .
+ENV PATH=/app/.venv/bin:$PATH PYTHONPATH=/app

backend/pyproject.toml

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+[project]
+name = "wisegrade-backend"
+version = "0.1.0"
+description = "WiseGrade teacher-only scoring backend"
+requires-python = ">=3.10,<3.13"
+dependencies = [
+  "fastapi>=0.115,<0.125", "starlette>=0.40,<0.50", "uvicorn[standard]>=0.34,<1", "sqlalchemy>=2,<3",
+  "alembic>=1.14,<2", "psycopg[binary]>=3.2,<4", "pgvector>=0.4,<1",
+  "pydantic-settings>=2,<3", "redis>=5,<7", "rq>=2,<3",
+  "pymupdf>=1.25,<2", "python-docx>=1.1,<2", "python-pptx>=1,<2",
+  "pillow>=11,<13", "sentence-transformers>=4,<6", "torch>=2.3,<3", "httpx>=0.28,<1",
+  "cryptography>=44,<48", "openpyxl>=3.1,<4", "weasyprint>=64,<70",
+]
+[dependency-groups]
+dev = ["pytest>=8,<10"]
+[project.optional-dependencies]
+ocr = ["paddleocr>=2.9,<4", "paddlepaddle>=2.6,<4"]
+[tool.uv.sources]
+torch = { index = "pytorch-cpu" }
+[[tool.uv.index]]
+name = "pytorch-cpu"
+url = "https://download.pytorch.org/whl/cpu"
+explicit = true
+[tool.pytest.ini_options]
+testpaths = ["tests"]
+pythonpath = ["."]
+markers = ["integration: tests using bundled course examples"]