Skill 18: agdb-query-assistant-skill — non-technical analysts ask
questions in plain English, get safe read-only SQL with explanation
before execution. Covers onboarding (new hire learning the schema),
simple queries (trading volume), complex business logic (crush margin
with unit conversions), follow-ups (12-month trends), and security
guardrails (client PII redaction, audit logging, query validation).
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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