Upgrade nostr-java to 2.0.0

[tcheeric]

Description

Migrate the entire project from nostr-java 1.2.0 to 2.0.0, adapting to the new module structure and API changes. Bumps project version from 0.1.1 to 0.2.0.

Related Issue

N/A

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Refactoring (no functional changes)
• Performance improvement
• Test coverage improvement

Checklist

• My code follows the project's code style
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published

Testing

Built successfully with mvn clean install -DskipTests.

18 files changed, 81 insertions(+), 70 deletions(-)

Key changes

Dependency migration (nostr-java 1.2.0 → 2.0.0):

• nostr-java-api → nostr-java-core
• nostr-java-crypto → nostr-java-core
• nostr-java-id → nostr-java-identity
• nostr-java-encryption → nostr-java-identity
• Removed nostr-java-base (merged into core)

Code adaptation:

• Replaced PubKeyTag with GenericTag in NsecBunkerAdminClient and RelayContainerIntegrationTest

Version bump:

• All 15 modules bumped from 0.1.1 → 0.2.0
• Created CHANGELOG.md

Additional Notes

Tagged as v0.2.0.

🤖 Generated with Claude Code

[Copilot]

Pull request overview

This PR upgrades the nostr-java dependency from version 1.2.0 to 2.0.0, adapting to the new module structure and API changes introduced in the newer version. The project version is bumped from 0.1.1 to 0.2.0 to reflect this breaking dependency change.

Changes:

• Upgraded nostr-java dependency from 1.2.0 to 2.0.0 across all modules
• Migrated to nostr-java 2.0 module structure (consolidated artifacts)
• Replaced deprecated PubKeyTag API with GenericTag in admin client and integration tests

Reviewed changes

Copilot reviewed 20 out of 20 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
pom.xml	Updated nostr-java version to 2.0.0, consolidated dependency artifacts from 6 to 3 modules
nsecbunker-admin/pom.xml	Updated parent version to 0.2.0, migrated to nostr-java-identity and nostr-java-core
nsecbunker-admin/src/main/java/xyz/tcheeric/nsecbunker/admin/NsecBunkerAdminClient.java	Replaced PubKeyTag with GenericTag.of() for tag creation and serialization
nsecbunker-account/pom.xml	Updated parent version to 0.2.0
nsecbunker-client/pom.xml	Updated parent version to 0.2.0, added nostr-java-core and nostr-java-identity dependencies
nsecbunker-connection/pom.xml	Updated parent version to 0.2.0, changed dependency from nostr-java-api to nostr-java-event
nsecbunker-core/pom.xml	Updated parent version to 0.2.0, removed nostr-java-api dependency
nsecbunker-monitoring/pom.xml	Updated parent version to 0.2.0
nsecbunker-protocol/pom.xml	Updated parent version to 0.2.0, consolidated nostr-java-crypto and nostr-java-encryption into nostr-java-identity
nsecbunker-spring-boot-starter/pom.xml	Updated parent version to 0.2.0
nsecbunker-tests/pom.xml	Updated parent version to 0.2.0
nsecbunker-tests/nsecbunker-chaos/pom.xml	Updated parent version to 0.2.0
nsecbunker-tests/nsecbunker-e2e/pom.xml	Updated parent version to 0.2.0, migrated to nostr-java-identity and nostr-java-core
nsecbunker-tests/nsecbunker-it/pom.xml	Updated parent version to 0.2.0
nsecbunker-tests/nsecbunker-it/src/test/java/xyz/tcheeric/nsecbunker/it/RelayContainerIntegrationTest.java	Replaced PubKeyTag with GenericTag for event tag serialization in test
nsecbunker-tests/nsecbunker-perf/pom.xml	Updated parent version to 0.2.0, migrated to nostr-java-identity and nostr-java-core
nsecbunker-tests/nsecbunker-security/pom.xml	Updated parent version to 0.2.0
CHANGELOG.md	Added entry for version 0.2.0 documenting the nostr-java upgrade and API changes

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