From a941b3fea304b43e60cc44666f20bc463086ba61 Mon Sep 17 00:00:00 2001
From: "dependabot[bot]" <49699333+dependabot[bot]@users.noreply.github.com>
Date: Tue, 19 May 2026 06:32:58 +0000
Subject: [PATCH 1/3] chore: bump io.github.ascopes:protobuf-maven-plugin from
 4.1.2 to 5.1.4

Bumps [io.github.ascopes:protobuf-maven-plugin](https://github.com/ascopes/protobuf-maven-plugin) from 4.1.2 to 5.1.4.
- [Release notes](https://github.com/ascopes/protobuf-maven-plugin/releases)
- [Commits](https://github.com/ascopes/protobuf-maven-plugin/compare/v4.1.2...v5.1.4)

---
updated-dependencies:
- dependency-name: io.github.ascopes:protobuf-maven-plugin
  dependency-version: 5.1.4
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
---
 spec-grpc/pom.xml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/spec-grpc/pom.xml b/spec-grpc/pom.xml
index 7c33db060..71644135b 100644
--- a/spec-grpc/pom.xml
+++ b/spec-grpc/pom.xml
@@ -96,7 +96,7 @@
             <plugin>
                 <groupId>io.github.ascopes</groupId>
                 <artifactId>protobuf-maven-plugin</artifactId>
-                <version>4.1.2</version>
+                <version>5.1.4</version>
                 <configuration>
                     <skip>${skip.protobuf.generate}</skip>
                     <cleanOutputDirectories>true</cleanOutputDirectories>

From e1adb57ca33c9cd627104a5e51c1219033003549 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 9 Jun 2026 07:34:13 +0000
Subject: [PATCH 2/3] chore: add GitHub Action to verify protobuf gRPC
 generation

---
 .github/workflows/verify-grpc-generation.yml | 29 ++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 .github/workflows/verify-grpc-generation.yml

diff --git a/.github/workflows/verify-grpc-generation.yml b/.github/workflows/verify-grpc-generation.yml
new file mode 100644
index 000000000..3bf624377
--- /dev/null
+++ b/.github/workflows/verify-grpc-generation.yml
@@ -0,0 +1,29 @@
+name: Verify gRPC Generation
+
+on:
+  push:
+  pull_request:
+  workflow_dispatch:
+
+# Only run the latest job
+concurrency:
+  group: '${{ github.workflow }} @ ${{ github.head_ref || github.ref }}'
+  cancel-in-progress: true
+
+jobs:
+  verify-grpc-generation:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v6
+    - name: Set up JDK 21
+      uses: actions/setup-java@v5
+      with:
+        java-version: '21'
+        distribution: 'temurin'
+        cache: maven
+    - name: Verify gRPC code generation
+      # -pl: build only spec-grpc and compat-0.3/spec-grpc modules
+      # -am: also build their dependencies
+      # -Dskip.protobuf.generate=false: enable protoc generation in spec-grpc (skipped by default)
+      # -Pproto-compile: activate the proto-compile profile in compat-0.3/spec-grpc
+      run: mvn install -B -DskipTests -pl spec-grpc,compat-0.3/spec-grpc -am -Dskip.protobuf.generate=false -Pproto-compile

From b642b5bea3d48787452a30db55be4289e48bdf51 Mon Sep 17 00:00:00 2001
From: "copilot-swe-agent[bot]" <198982749+Copilot@users.noreply.github.com>
Date: Tue, 9 Jun 2026 07:45:13 +0000
Subject: [PATCH 3/3] fix: update protobuf-maven-plugin configuration for v5.x
 API changes

---
 spec-grpc/pom.xml | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

diff --git a/spec-grpc/pom.xml b/spec-grpc/pom.xml
index 71644135b..be2938b10 100644
--- a/spec-grpc/pom.xml
+++ b/spec-grpc/pom.xml
@@ -100,15 +100,17 @@
                 <configuration>
                     <skip>${skip.protobuf.generate}</skip>
                     <cleanOutputDirectories>true</cleanOutputDirectories>
-                    <protoc>${protobuf-java.version}</protoc>
+                    <protoc kind="binary-maven">
+                        <version>${protobuf-java.version}</version>
+                    </protoc>
                     <outputDirectory>${project.basedir}/src/main/java/</outputDirectory>
-                    <binaryMavenPlugins>
-                        <binaryMavenPlugin>
+                    <plugins>
+                        <plugin kind="binary-maven">
                             <groupId>io.grpc</groupId>
                             <artifactId>protoc-gen-grpc-java</artifactId>
                             <version>${grpc.version}</version>
-                        </binaryMavenPlugin>
-                    </binaryMavenPlugins>
+                        </plugin>
+                    </plugins>
                 </configuration>
                 <executions>
                     <execution>