Working on Phase 05

.github/actions/java-test-report/action.yml

@@ -148,7 +148,7 @@ runs:
           if [ -f "$JACOCO_CSV" ]; then
             extract_instruction_scope() {
               local scope=$1
-              awk -F',' -v scope="$scope" -v generated_prefix="com.github.copilot.sdk.generated" '
+              awk -F',' -v scope="$scope" -v generated_prefix="com.github.copilot.generated" '
                 NR > 1 {
                   is_generated = index($2, generated_prefix) == 1
                   if ((scope == "generated" && is_generated) ||

.github/workflows/docs-validation.yml

@@ -9,6 +9,7 @@ on:
       - 'python/copilot/**'
       - 'go/**/*.go'
       - 'dotnet/src/**'
+      - 'java/src/**'
       - 'scripts/docs-validation/**'
       - '.github/workflows/docs-validation.yml'
   workflow_dispatch:
@@ -126,3 +127,32 @@ jobs:
       - name: Extract and validate C#
         working-directory: scripts/docs-validation
         run: npm run extract && npm run validate:cs
+
+  validate-java:
+    name: "Validate Java"
+    if: github.event.repository.fork == false
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - uses: actions/setup-node@v6
+        with:
+          node-version: 22
+
+      - uses: actions/setup-java@v4
+        with:
+          distribution: 'temurin'
+          java-version: '17'
+          cache: 'maven'
+
+      - name: Install SDK to local repo
+        working-directory: java
+        run: mvn install -DskipTests -q
+
+      - name: Install validation dependencies
+        working-directory: scripts/docs-validation
+        run: npm ci
+
+      - name: Extract and validate Java
+        working-directory: scripts/docs-validation
+        run: npm run extract && npm run validate:java

.github/workflows/java-codegen-fix.md

@@ -177,7 +177,7 @@ For each attempt:
 2. **Read the generated types** to understand what changed. Check the generated files that the handwritten code references:
    ```bash
    # Example: check what a generated type looks like now
-   cat java/src/generated/java/com/github/copilot/sdk/generated/rpc/<TypeName>.java
+   cat java/src/generated/java/com/github/copilot/generated/rpc/<TypeName>.java
    ```
 
 3. **Fix the affected source files.** You may modify files under:

.github/workflows/scenario-builds.yml

@@ -11,6 +11,7 @@ on:
       - "dotnet/src/**"
       - "rust/src/**"
       - "rust/Cargo.toml"
+      - "java/src/**"
       - ".github/workflows/scenario-builds.yml"
   push:
     branches:
@@ -235,3 +236,46 @@ jobs:
             echo -e "Failures:$FAILURES"
             exit 1
           fi
+
+  # ── Java ────────────────────────────────────────────────────────────
+  build-java:
+    name: "Java scenarios"
+    if: github.event.repository.fork == false
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v6
+
+      - uses: actions/setup-java@v4
+        with:
+          distribution: "temurin"
+          java-version: "17"
+          cache: "maven"
+
+      # Install SDK to local Maven repo so scenarios can resolve it
+      - name: Install SDK to local repo
+        working-directory: java
+        run: mvn install -DskipTests -q
+
+      - name: Build all Java scenarios
+        run: |
+          PASS=0; FAIL=0; FAILURES=""
+          for pom in $(find test/scenarios -path '*/java/pom.xml' | sort); do
+            dir=$(dirname "$pom")
+            scenario="${dir#test/scenarios/}"
+            echo "::group::$scenario"
+            if (cd "$dir" && mvn compile -q 2>&1); then
+              echo "✅ $scenario"
+              PASS=$((PASS + 1))
+            else
+              echo "❌ $scenario"
+              FAIL=$((FAIL + 1))
+              FAILURES="$FAILURES\n  $scenario"
+            fi
+            echo "::endgroup::"
+          done
+          echo ""
+          echo "Java builds: $PASS passed, $FAIL failed"
+          if [ "$FAIL" -gt 0 ]; then
+            echo -e "Failures:$FAILURES"
+            exit 1
+          fi

.vscode/settings.json

@@ -19,5 +19,6 @@
   },
   "[go]": {
     "editor.defaultFormatter": "golang.go"
-  }
+  },
+  "java.configuration.updateBuildConfiguration": "automatic"
 }