HTM-1964: Add GeoJSON extract format

[mprins]

Due to:

• https://osgeo-org.atlassian.net/browse/GEOT-7894
• [GEOT-7894] NPE on GeoJSonDataStore#getFeatureSource() when schema is set, but typeName is null geotools/geotools#5615

We are now using a GeoTools snapshot

[github-actions]

Dependency Review

The following issues were found:

• ✅ 0 vulnerable package(s)
• ✅ 0 package(s) with incompatible licenses
• ✅ 0 package(s) with invalid SPDX license definitions
• ⚠️ 2 package(s) with unknown licenses.

See the Details below.

Snapshot Warnings

⚠️: No snapshots were found for the head SHA 9042324.

Ensure that dependencies are being submitted on PR branches and consider enabling retry-on-snapshot-warnings. See the documentation for more information and troubleshooting advice.

License Issues

pom.xml

Package	Version	License	Issue Type
org.geotools:gt-bom	35-SNAPSHOT	Null	Unknown License
org.geotools:gt-geojson-store		Null	Unknown License

Allowed Licenses:

MIT, Apache-2.0, BSD-2-Clause, BSD-3-Clause, ISC, MPL-2.0, LGPL-2.1-only, EPL-2.0, EPL-1.0

Excluded from license check:

pkg:maven/org.eclipse.angus/jakarta.mail@2.0.5?type=jar, pkg:maven/jakarta.ws.rs:jakarta.ws.rs-api@4.0.0?type=jar

OpenSSF Scorecard

Package	Version	Score	Details
maven/org.geotools:gt-bom	35-SNAPSHOT	Unknown	Unknown
maven/org.geotools:gt-geojson-store		Unknown	Unknown

Scanned Files

• pom.xml

[Copilot]

Pull request overview

Adds initial support for exporting layer extracts as GeoJSON in the Tailormap API extract pipeline (controller/service + integration test), including a GeoTools GeoJSON store dependency.

Changes:

• Add GeoJSON extract handling via GeoJSONDataStoreFactory in CreateLayerExtractService.
• Update extract output filename extension for GeoJSON to .geojson.
• Add an integration test that exercises GeoJSON extract creation + download + basic GeoJSON structure assertions.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 6 comments.

File	Description
src/main/java/org/tailormap/api/service/CreateLayerExtractService.java	Adds GeoJSON datastore creation and notes GeoTools workaround considerations.
src/main/java/org/tailormap/api/controller/LayerExtractController.java	Changes GeoJSON extension from json to geojson.
src/test/java/org/tailormap/api/controller/LayerExtractControllerIntegrationTest.java	Adds GeoJSON extract integration test and JSONPath assertions.
pom.xml	Adds org.geotools:gt-geojson-store dependency.

[codecov]

Codecov Report

❌ Patch coverage is 90.00000% with 1 line in your changes missing coverage. Please review.
✅ All tests successful. No failed tests found.

Files with missing lines	Patch %	Lines
...ilormap/api/service/CreateLayerExtractService.java	84%	1 Missing ⚠️

@@                                     Coverage Diff                                      @@
##             HTM-1960_Custom_extract_functionality_for_layer_attributes   #1702   +/-   ##
============================================================================================
- Coverage                                                            77%     77%   -0%     
  Complexity                                                          136     136           
============================================================================================
  Files                                                               161     161           
  Lines                                                              8120    8123    +3     
  Branches                                                            757     757           
============================================================================================
+ Hits                                                               6226    6228    +2     
- Misses                                                             1451    1452    +1     
  Partials                                                            443     443           

Files with missing lines	Coverage Δ	Complexity Δ
...ilormap/api/controller/LayerExtractController.java	68% <100%> (ø)	0 <0> (ø)
...ilormap/api/service/CreateLayerExtractService.java	56% <84%> (+1%)	0 <0> (ø)

🚀 New features to boost your workflow:

• 📦 JS Bundle Analysis: Save yourself from yourself by tracking and limiting bundle sizes in JS merges.

[github-actions]

Test Results

491 tests  +1   490 ✅ +1   7m 42s ⏱️ -9s
 58 suites ±0     1 💤 ±0 
 58 files   ±0     0 ❌ ±0 

Results for commit 9042324. ± Comparison against base commit e6a4eb8.

♻️ This comment has been updated with latest results.