feat: Update release workflow for Maven Central deployment and enhance POM metadata

Co-authored-by: Copilot <copilot@github.com>

.github/workflows/maven-publish.yml

@@ -1,22 +1,25 @@
-# This workflow will build a package using Maven and then publish it to GitHub packages when a release is created
+# This workflow derives the next release version from the repository, tags it,
-# For more information see: https://github.com/actions/setup-java/blob/main/docs/advanced-usage.md#apache-maven-with-a-settings-path
+# updates the published release, and deploys the artifact to Maven Central.
 
-name: Maven Package
+name: Release To Maven Central
 
 on:
   release:
-    types: [created]
+    types: [published]
 
 jobs:
-  build:
+  publish:
+    if: ${{ !github.event.release.prerelease }}
 
     runs-on: ubuntu-latest
     permissions:
-      contents: read
+      contents: write
-      packages: write
 
     steps:
     - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        ref: ${{ github.event.repository.default_branch }}
     - name: Set up JDK 25
       uses: actions/setup-java@v4
       with:
@@ -27,12 +30,71 @@ jobs:
         server-password: MAVEN_PASSWORD
         gpg-private-key: ${{ secrets.GPG_SIGNING_KEY }}
         gpg-passphrase: MAVEN_GPG_PASSPHRASE
-    - name: Set version
+    - name: Configure Git
-      run: mvn versions:set -DnewVersion=${{ github.event.release.tag_name }}
+      run: |
-    - name: Build with Maven
+        git config user.name "github-actions[bot]"
-      run: mvn -B package --file pom.xml
+        git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+    - name: Calculate release version
+      id: version
+      shell: bash
+      run: |
+        set -euo pipefail
+
+        current_version="$(mvn -q -DforceStdout help:evaluate -Dexpression=project.version | tail -n 1 | tr -d '\r')"
+        base_version="${current_version%-SNAPSHOT}"
+
+        if [[ ! "$base_version" =~ ^([0-9]+)\.([0-9]+)\.([0-9]+)$ ]]; then
+          echo "Unsupported project version format: $current_version" >&2
+          exit 1
+        fi
+
+        major="${BASH_REMATCH[1]}"
+        minor="${BASH_REMATCH[2]}"
+        release_version="${major}.$((minor + 1)).0"
+
+        echo "current_version=$current_version" >> "$GITHUB_OUTPUT"
+        echo "release_version=$release_version" >> "$GITHUB_OUTPUT"
+        echo "release_tag=$release_version" >> "$GITHUB_OUTPUT"
+    - name: Update release files
+      env:
+        RELEASE_VERSION: ${{ steps.version.outputs.release_version }}
+      run: |
+        set -euo pipefail
+
+        mvn -B versions:set -DnewVersion="$RELEASE_VERSION" -DgenerateBackupPoms=false
+        perl -0pi -e 's{<version>\d+\.\d+\.\d+</version>}{<version>'"$RELEASE_VERSION"'</version>}g' README.md
+    - name: Commit release version
+      env:
+        RELEASE_VERSION: ${{ steps.version.outputs.release_version }}
+      run: |
+        set -euo pipefail
+
+        git add pom.xml README.md
+        git commit -m "chore: release $RELEASE_VERSION"
+        git push origin HEAD:${{ github.event.repository.default_branch }}
+    - name: Create release tag
+      env:
+        RELEASE_TAG: ${{ steps.version.outputs.release_tag }}
+      run: |
+        set -euo pipefail
+
+        git tag "$RELEASE_TAG"
+        git push origin "$RELEASE_TAG"
+    - name: Retarget GitHub release
+      env:
+        GH_TOKEN: ${{ github.token }}
+        RELEASE_ID: ${{ github.event.release.id }}
+        RELEASE_TAG: ${{ steps.version.outputs.release_tag }}
+      run: |
+        set -euo pipefail
+
+        gh api "repos/${GITHUB_REPOSITORY}/releases/${RELEASE_ID}" \
+          --method PATCH \
+          -f tag_name="$RELEASE_TAG" \
+          -f target_commitish="${{ github.event.repository.default_branch }}" \
+          -f name="$RELEASE_TAG"
     - name: Publish package
-      run: mvn -P release --batch-mode deploy -DskipTests
+      run: mvn -B -P release deploy -DskipTests
       env:
         MAVEN_USERNAME: ${{ secrets.CENTRAL_TOKEN_USERNAME }}
         MAVEN_PASSWORD: ${{ secrets.CENTRAL_TOKEN_PASSWORD }}

README.md

@@ -41,25 +41,13 @@ The current built-in client set supports both chat completions and legacy text c
 
 ## Setup
 
-The published artifacts are hosted in the external Maven repository, so consuming applications must add that repository in addition to Maven Central:
+The published artifacts are hosted on Maven Central, so no additional repository configuration is required:
 
 ```xml
-<repositories>
-    <repository>
-        <id>spacecraft-tactics-releases</id>
-        <name>Spacecraft Tactics Repository</name>
-        <url>https://spacecraft-tactics.com/repository/releases</url>
-    </repository>
-    <repository>
-        <id>Central</id>
-        <url>https://repo1.maven.org/maven2/</url>
-    </repository>
-</repositories>
-
 <dependency>
     <groupId>de.extio</groupId>
     <artifactId>lm-lib</artifactId>
-    <version>${lmlib.version}</version>
+    <version>2.5.13</version>
 </dependency>
 ```
 

pom.xml

@@ -4,8 +4,34 @@
 	<artifactId>lm-lib</artifactId>
 	<groupId>de.extio</groupId>
 	<name>lm-lib</name>
+	<description>Modular Java library for LLM-powered applications, model clients, and agentic orchestration.</description>
+	<url>https://github.com/extio-de/lm-lib</url>
 	<version>2.5.13</version>
 
+	<licenses>
+		<license>
+			<name>Apache License, Version 2.0</name>
+			<url>https://www.apache.org/licenses/LICENSE-2.0.txt</url>
+			<distribution>repo</distribution>
+		</license>
+	</licenses>
+
+	<developers>
+		<developer>
+			<id>extio</id>
+			<name>extio</name>
+			<organization>extio</organization>
+			<organizationUrl>https://github.com/extio-de</organizationUrl>
+		</developer>
+	</developers>
+
+	<scm>
+		<connection>scm:git:git://github.com/extio-de/lm-lib.git</connection>
+		<developerConnection>scm:git:ssh://git@github.com/extio-de/lm-lib.git</developerConnection>
+		<url>https://github.com/extio-de/lm-lib</url>
+		<tag>HEAD</tag>
+	</scm>
+	
 	<properties>
 		<java.version>25</java.version>
 		<maven.compiler.source>25</maven.compiler.source>