feat(engineering-team): add snowflake-development skill
Snowflake SQL, data pipelines (Dynamic Tables, Streams+Tasks), Cortex AI,
Snowpark Python, dbt integration. Includes 3 practical workflows, 9
anti-patterns, cross-references, and troubleshooting guide.
- SKILL.md: 294 lines (colon-prefix rule, MERGE, DTs, Cortex AI, Snowpark)
- Script: snowflake_query_helper.py (MERGE, DT, RBAC generators)
- References: 3 files (SQL patterns, Cortex AI/agents, troubleshooting)
Based on PR #416 by James Cha-Earley — enhanced with practical workflows,
anti-patterns section, cross-references, and normalized frontmatter.
Co-Authored-By: James Cha-Earley <jamescha-earley@users.noreply.github.com>
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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