20.15Salesforce integration reviewer

Prompt:

Review Salesforce operations for:

- query-before-create race conditions
- opportunities to use Upsert
- missing unique External IDs
- unstable business keys
- unnecessary API round trips
- SOQL N+1 patterns
- relationship ordering
- bulk opportunities
- partial result handling
- retry safety
- permission/FLS assumptions

You've now encoded most of Modules 4–12 into a review agent.