Add langchain4j-agentic snapshot build to CI

Signed-off-by: Ricardo Zanini <ricardozanini@gmail.com>

Author: ricardozanini

.github/workflows/maven-verify.yml

@@ -1,6 +1,3 @@
-# This workflow will build a Java project with Maven
-# For more information see: https://help.github.com/actions/language-and-framework-guides/building-and-testing-java-with-maven
-
 name: sdk-java Verify
 
 on:
@@ -14,22 +11,42 @@ on:
 jobs:
   build:
     runs-on: ubuntu-latest
+
     steps:
-      - uses: actions/checkout@v4
+      # 1. Checkout this repo
+      - name: Checkout sdk-java
+        uses: actions/checkout@v4
+
+      # 2. (Temporary) Checkout the langchain4j repo at agentic-module
+      - name: Checkout langchain4j (agentic-module)
+        uses: actions/checkout@v4
+        with:
+          repository: mariofusco/langchain4j
+          ref: agentic-module
+          path: langchain4j
 
+      # 3. Set up JDK 17 for both builds
       - name: Set up JDK 17
         uses: actions/setup-java@v4
         with:
           distribution: temurin
           java-version: 17
           cache: 'maven'
 
+      # 4. Build the external agentic module
+      - name: Build langchain4j-agentic
+        run: |
+          make -C langchain4j build
+          mvn -B -f langchain4j/langchain4j-agentic/pom.xml clean install -DskipTests
+
+      # 5. Verify the main sdk-java project, excluding the two agentic modules
       - name: Verify with Maven
         run: |
           mvn -B -f pom.xml clean install verify \
             -pl ",!fluent/agentic" -pl ",!experimental/agentic" \
             -am
 
+      # 6. Verify examples
       - name: Verify Examples with Maven
         run: |
           mvn -B -f examples/pom.xml clean install verify