address PR review feedback

- Delete wf/main.gallery.nf (referenced deleted nf-core-gallery bucket)
- Bump VERSION in README-DEV.md to 0.9.2 to match manifest
- Add regression test for OffsetDateTime ISO-8601 serialization (#321)

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: drernie

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Modernize main*.nf files
 - Fix Jackson serialization of `java.time.OffsetDateTime` from Nextflow 24.10+ workflow metadata (#321)
 - Restore working test input package (replace deleted `nf-core-gallery` with `udp-spec/nf-quilt/source`)
+- Remove `wf/main.gallery.nf` (referenced the deleted `nf-core-gallery` bucket)
 
 ## [0.9.1] 2024-12-24
 

README-DEV.md

@@ -15,7 +15,7 @@ From the command-line, do, e.g.:
 
 ```bash
 export LOG4J_DEBUG=true  # for verbose logging
-export VERSION=0.9.1
+export VERSION=0.9.2
 export NXF_PLUGINS_TEST_REPOSITORY=https://github.com/quiltdata/nf-quilt/releases/download/$(VERSION)/nf-quilt-$(VERSION)-meta.json
 nextflow run main.nf -plugins nf-quilt@$(VERSION)
 ```

plugins/nf-quilt/src/test/nextflow/quilt/QuiltProductTest.groovy

@@ -28,6 +28,8 @@ import nextflow.quilt.jep.QuiltPackage
 import java.nio.file.Files
 import java.nio.file.Path
 import java.nio.file.Paths
+import java.time.OffsetDateTime
+import java.time.ZoneOffset
 import groovy.transform.CompileDynamic
 import spock.lang.Ignore
 import spock.lang.IgnoreIf
@@ -95,6 +97,23 @@ class QuiltProductTest extends QuiltSpecification {
         product.displayName().replace('%2f', '/') == testURI
     }
 
+    void 'toJson serializes OffsetDateTime as ISO-8601 string'() {
+        // Regression test for #321: Nextflow 24.10+ returns OffsetDateTime
+        // for workflow start/complete; without JavaTimeModule + disabling
+        // WRITE_DATES_AS_TIMESTAMPS, Jackson would either throw or emit
+        // a numeric epoch like 1.735040400E9.
+        given:
+        OffsetDateTime when = OffsetDateTime.of(2026, 1, 2, 3, 4, 5, 0, ZoneOffset.UTC)
+        Map map = [start: when, complete: when]
+
+        when:
+        String json = QuiltProduct.toJson(map)
+
+        then:
+        json.contains('"2026-01-02T03:04:05Z"')
+        !(json =~ /"start"\s*:\s*[0-9]/)
+    }
+
     void 'should generate solid string for timestamp from now'() {
         when:
         def now = QuiltProduct.now()