timekeeper-domain/: immutable Java domain records and identifiers.timekeeper-service-api/: application service ports and their shared implementation.timekeeper-http-client/: Java HTTP client used by Eclipse and server acceptance tests.api/: canonical OpenAPI v1 contract and HTTP contract tests.These Java sources have no Eclipse Platform dependency. The root Tycho reactor
packages them as OSGi bundles; server/core-* builds the same sources for the
standalone server. See repository development,
API v1 and
HTTP client documentation.