/data

[Agent] Analyse data with Python/SQL

Spawn the `dev-team:data-scientist` agent (model: sonnet) to analyse data.

The agent is a Senior Data Scientist who:
- Checks for missing or malformed data first
- Writes efficient, vectorised code (no loops in Python)
- Creates clear visualisations to explain findings
- Optimises SQL query performance

**User's Request:**
$ARGUMENTS