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Dockerfile

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+FROM python:3.13.5-slim
+
+# Create a dedicated directory for the application
+WORKDIR /app
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    build-essential \
+    curl \
+    git \
+    && rm -rf /var/lib/apt/lists/*
+
+# Copy application files
+COPY requirements.txt ./
+COPY app.py ./
+COPY agents/ ./agents/
+
+# Install Python dependencies
+RUN pip3 install -r requirements.txt
+
+# Expose the Streamlit port
+EXPOSE 8501
+
+# Healthcheck for the container
+HEALTHCHECK CMD curl --fail http://localhost:8501/_stcore/health
+
+# Run the application
+ENTRYPOINT ["streamlit", "run", "app.py", "--server.port=8501", "--server.address=0.0.0.0"]

app.py

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+"""
+Main entry point for the ESG AI web application.
+
+This script exposes a single Streamlit application that aggregates all of the
+individual modules implemented in this repository.  Each module focuses on a
+distinct portion of the ESG workflow (e.g. template generation, planning,
+report generation, compliance checking, score evaluation and greenwashing
+analysis) and exposes its own top‑level UI function.  The `app.py` file
+provides a simple sidebar for users to switch between these modules and
+delegates rendering to the appropriate function.  Because the module
+implementations live in separate files, this entry point remains light
+weight and easy to maintain.
+
+To add a new module to the application simply implement a function that
+presents the user interface (for example `show_module1_ui`), place it in a
+Python file at the top level of the repository (e.g. `module1_template.py`)
+and add an entry for it to the `MODULE_REGISTRY` dictionary below.
+"""
+import os
+import sys
+
+# Add the project root to the Python path to allow for module imports
+sys.path.insert(0, os.path.abspath('.'))
+
+import importlib
+import streamlit as st
+
+# ---------------------------------------------------------------------------
+# Module registry
+#
+# The keys are the human friendly names that will appear in the sidebar
+# selectbox.  The values are tuples containing the import path and the name
+# of the function to call.  New modules should be registered here.  If a
+# module cannot be imported at runtime a friendly error will be displayed.
+# ---------------------------------------------------------------------------
+MODULE_REGISTRY = {
+    "1. Tạo mẫu kế hoạch bền vững": ("agents.module1_template", "show_module1_ui"),
+    "2. Tinh chỉnh kế hoạch bền vững": ("agents.module2_planner", "show_module2_ui"),
+    "3. Tạo báo cáo ESG tự động": ("agents.module3_report", "show_module3_ui"),
+    "4. Kiểm tra tuân thủ đa khung": ("agents.module4_compliance", "show_module4_ui"),
+    "5. Đánh giá và điểm số ESG": ("agents.module5_score", "show_module5_ui"),
+    "6. Kiểm tra greenwashing": ("agents.module6_greenwash", "show_module6_ui"),
+}
+
+
+def _load_module_ui(module_name: str, function_name: str):
+    """Attempt to import and retrieve the UI function from a module.
+
+    Parameters
+    ----------
+    module_name: str
+        The module to import.  Should be a top level Python file without
+        `.py` extension, for example ``module3_report``.
+    function_name: str
+        The name of the function within the module that renders the UI.
+
+    Returns
+    -------
+    callable
+        A callable function if import succeeded.  Otherwise a lambda that
+        displays a warning.
+    """
+    try:
+        module = importlib.import_module(module_name)
+    except ModuleNotFoundError as exc:
+        def _missing_ui(exc=exc):
+            st.warning(
+                f"Không thể tải module '{module_name}'. Vui lòng kiểm tra rằng "
+                f"file '{module_name}.py' tồn tại trong thư mục dự án và chứa "
+                f"một hàm có tên '{function_name}'.\n\nChi tiết lỗi: {exc}"
+            )
+        return _missing_ui
+    # module loaded, try to get the function
+    ui_func = getattr(module, function_name, None)
+    if ui_func is None:
+        def _missing_func():
+            st.warning(
+                f"Module '{module_name}' được tìm thấy nhưng không chứa hàm "
+                f"'{function_name}'. Vui lòng định nghĩa hàm giao diện đúng tên."
+            )
+        return _missing_func
+    return ui_func
+
+
+def main() -> None:
+    """Main function executed by Streamlit to run the multi‑module application."""
+    st.set_page_config(
+        page_title="ESG AI Web Application",
+        layout="wide",
+        initial_sidebar_state="expanded",
+    )
+
+    st.sidebar.title("📘 Chức năng ESG")
+    module_key = st.sidebar.selectbox(
+        label="Chọn chức năng",
+        options=list(MODULE_REGISTRY.keys()),
+        index=0,
+    )
+
+    # Unpack module path and function name
+    module_name, function_name = MODULE_REGISTRY[module_key]
+
+    # Display header for the chosen module
+    st.title(module_key)
+
+    # Resolve and call UI function
+    ui_function = _load_module_ui(module_name, function_name)
+    try:
+        ui_function()
+    except Exception as err:
+        st.error(
+            "Đã xảy ra lỗi khi chạy module. Vui lòng kiểm tra lại mã nguồn."\
+            f"\n\nChi tiết lỗi: {err}"
+        )
+
+
+if __name__ == "__main__":
+    main()