Ingest scripts were connecting to the old tracksolid_2 database instead of
the timescale_db container in this stack. Grafana was already correct
(uses service name timescale_db:5432). Also strip leading space and quotes
from DATABASE_URL and API_BASE_URL so os.getenv() returns clean values.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>