Query output formats (Esri JSON, GeoJSON)

[mikemcdougall]

Summary

Support multiple output formats for query results.

Tasks

• Implement Esri JSON formatter
• Implement GeoJSON formatter
• Add format parameter parsing (f=json, f=geojson)
• Implement outFields parameter for attribute filtering
• Implement returnGeometry parameter
• Add format negotiation logic
• Set appropriate Content-Type headers
• Add unit tests for formatters
• Add integration tests for each format
• Document supported formats

Acceptance Criteria

• f=json returns Esri JSON (default)
• f=geojson returns GeoJSON FeatureCollection
• outFields filters returned attributes
• returnGeometry=false omits geometry

Legacy Reference

• ../Honua.Server/src/protocol/geoservices/Formatters/

Test Plan

• Integration test: Esri JSON format validates
• Integration test: GeoJSON format validates
• Integration test: outFields limits properties