Youth Mental Wellness — PHQ9 + Gemini (Google Generative AI)

Demo app: PHQ-9 questionnaire + optional face detection + Gemini-generated motivational/referral cards.

Files

• app.py : Streamlit app (questionnaire + camera + Gemini)
• PHQ9.csv : questions (must have 'question' column)
• frontal.xml / eye.xml : optional Haar cascades (if missing, fallback to OpenCV builtins)
• .streamlit/secrets.toml : optional secrets file (DO NOT COMMIT)

Setup (local)

1. Clone/copy project folder.
2. Create virtualenv (recommended):
   • python -m venv .venv
   • Activate:
     • mac/linux: source .venv/bin/activate
     • windows: .venv\Scripts\activate
3. Install dependencies:
   • pip install -r requirements.txt
4. Set your Google API key (do NOT hardcode in files):
   • mac/linux:
     • export GOOGLE_API_KEY="AIza..."
   • Windows PowerShell:
     • setx GOOGLE_API_KEY "AIza..."
   • Or create .streamlit/secrets.toml with GOOGLE_API_KEY = "..." (do not commit)
5. Run app:
   • streamlit run app.py
6. Open the URL printed in terminal (usually http://localhost:8501).

Setup in AI Studio (Notebook style)

Option A (quick & temporary):

1. In notebook cell:

   import os
   os.environ["GOOGLE_API_KEY"] = "YOUR_GOOGLE_API_KEY"