Docs: Engineering team

docs/neo4j/Neo4j-breaking-changes.md

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+## Neo4j Version Compatibility Notes
+
+Neo4j had significant breaking changes between version 4.x and 5.x regarding schema introspection:
+
+**Neo4j 5.x+ (current):**
+- Use `SHOW INDEXES` instead of `CALL db.indexes()`
+- Use `SHOW CONSTRAINTS` instead of `CALL db.constraints()`
+- Use `CALL db.schema.visualization()` for full schema (works in both versions)
+
+**Neo4j 4.x and earlier:**
+- Use `CALL db.indexes()`
+- Use `CALL db.constraints()`
+
+**Safe queries that work across versions:**
+- `CALL db.schema.visualization()` - Full schema visualization
+- `CALL db.labels()` - Get all node labels
+- `CALL db.relationshipTypes()` - Get all relationship types
+
+When querying indexes or constraints, prefer the `SHOW` commands for Neo4j 5+ environments.