simplify codes around problem types

.github/ISSUE_TEMPLATE/bug.yml

@@ -7,7 +7,7 @@ body:
     id: version
     attributes:
       label: Codes version
-      placeholder: 0.3.0
+      placeholder: 0.4.0
     validations:
       required: true
   - type: dropdown

.github/ISSUE_TEMPLATE/feature.yml

@@ -1,5 +1,5 @@
 name: Change request
-description: Propose a core semantic, mapping, or integration change.
+description: Propose a problem type or Spring integration change.
 title: "request: "
 labels: [enhancement]
 body:
@@ -13,7 +13,7 @@ body:
   - type: textarea
     id: current
     attributes:
-      label: Current integration
+      label: Current approach
       description: Show how the problem is handled without the proposed change.
     validations:
       required: true
@@ -28,5 +28,7 @@ body:
     attributes:
       label: Contract impact
       options:
-        - label: This changes the standard outcome catalog, state semantics, or a built-in mapping.
+        - label: This changes ProblemType validation or semantics.
         - label: This changes the public Java API.
+        - label: This changes Spring ProblemDetail conversion behavior.
+        - label: This changes compatibility, dependency, or publication behavior.

.github/workflows/ci.yml

@@ -13,27 +13,63 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
+  matrix:
+    name: CI matrix policy
+    runs-on: ubuntu-latest
+    timeout-minutes: 5
+    outputs:
+      runtime_jdks: ${{ steps.matrix.outputs.runtime_jdks }}
+      kotlin: ${{ steps.matrix.outputs.kotlin }}
+      os: ${{ steps.matrix.outputs.os }}
+    steps:
+      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
+        with:
+          persist-credentials: false
+
+      - name: Verify compatibility policy
+        run: python scripts/verify-compatibility-matrix.py
+
+      - id: matrix
+        name: Export required check matrices
+        shell: bash
+        run: |
+          python - <<'PY' >> "$GITHUB_OUTPUT"
+          import json
+          from pathlib import Path
+
+          matrix = json.loads(Path("compatibility/matrix.json").read_text(encoding="utf-8"))
+          compact = lambda value: json.dumps(value, separators=(",", ":"))
+
+          print("runtime_jdks=" + compact({
+              "java": [version for version in matrix["java"] if version != "17"]
+          }))
+          print("kotlin=" + compact({
+              "kotlin": matrix["kotlin"]["versions"]
+          }))
+          print("os=" + compact({
+              "os": matrix["os"]
+          }))
+          PY
+
   verify:
+    needs: [matrix]
     runs-on: ubuntu-latest
     timeout-minutes: 30
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
         with:
           persist-credentials: false
 
-      - name: Verify release promotion policy
-        run: python scripts/test-release-promotion-policy.py
-
       - uses: actions/setup-java@03ad4de0992f5dab5e18fcb136590ce7c4a0ac95
         with:
           distribution: temurin
           java-version: "17"
 
-      - uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6.2.0
+      - uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92
         with:
           cache-provider: basic
 
-      - name: Verify core, adapters, and references
+      - name: Verify library and reference application
         run: ./gradlew clean verifyAll --stacktrace
 
       - name: Publish clean compatibility artifacts
@@ -60,11 +96,7 @@ jobs:
         run: |
           set -euo pipefail
           version="$(sh ./scripts/version.sh)"
-          mvn --batch-mode --no-transfer-progress \
-            "-Dmaven.repo.local=${GITHUB_WORKSPACE}/build/compatibility-maven" \
-            -f smoke-test-maven-java/pom.xml \
-            "-Dcodes.version=$version" \
-            clean verify
+          mvn --batch-mode --no-transfer-progress             "-Dmaven.repo.local=${GITHUB_WORKSPACE}/build/compatibility-maven"             -f smoke-test-maven-java/pom.xml             "-Dcodes.version=$version"             clean verify
 
       - name: Verify Maven Kotlin consumer
         env:
@@ -78,17 +110,16 @@ jobs:
           path: |
             build/reports/jacoco
             codes-spring/build/reports/jacoco
-            codes-grpc-java/build/reports/jacoco
           if-no-files-found: warn
           retention-days: 14
 
   kotlin-consumers:
+    needs: [matrix]
     runs-on: ubuntu-latest
     timeout-minutes: 25
     strategy:
       fail-fast: false
-      matrix:
-        kotlin: ["1.9.24", "2.0.21", "2.1.21", "2.2.20", "2.4.10"]
+      matrix: ${{ fromJSON(needs.matrix.outputs.kotlin) }}
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
         with:
@@ -99,42 +130,42 @@ jobs:
           distribution: temurin
           java-version: "17"
 
-      - uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6.2.0
+      - uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92
         with:
           cache-provider: basic
 
-      - name: Publish all artifacts locally
+      - name: Publish clean compatibility artifacts
         run: sh scripts/prepare-compatibility-repository.sh build/compatibility-maven
 
       - name: Verify Kotlin consumer
         env:
           MAVEN_REPO_LOCAL: ${{ github.workspace }}/build/compatibility-maven
-        run: sh ./scripts/verify-kotlin-nullability.sh "${{ matrix.kotlin }}"
+        run: sh scripts/verify-kotlin-nullability.sh "${{ matrix.kotlin }}"
 
   kotlin-consumers-gate:
     name: Kotlin consumers gate
     if: always()
-    needs: [kotlin-consumers]
+    needs: [matrix, kotlin-consumers]
     runs-on: ubuntu-latest
     timeout-minutes: 5
     steps:
-      - name: Verify Kotlin consumer matrix
-        env:
-          RESULT: ${{ needs.kotlin-consumers.result }}
+      - name: Require Kotlin consumer matrix
         shell: bash
+        env:
+          MATRIX_RESULT: ${{ needs.matrix.result }}
+          KOTLIN_RESULT: ${{ needs.kotlin-consumers.result }}
         run: |
-          if [ "$RESULT" != "success" ]; then
-            echo "Kotlin consumer matrix result: $RESULT"
-            exit 1
-          fi
+          set -euo pipefail
+          test "$MATRIX_RESULT" = "success"
+          test "$KOTLIN_RESULT" = "success"
 
   runtime-jdks:
+    needs: [matrix]
     runs-on: ubuntu-latest
-    timeout-minutes: 15
+    timeout-minutes: 20
     strategy:
       fail-fast: false
-      matrix:
-        java: ["21", "25"]
+      matrix: ${{ fromJSON(needs.matrix.outputs.runtime_jdks) }}
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
         with:
@@ -145,20 +176,29 @@ jobs:
           distribution: temurin
           java-version: ${{ matrix.java }}
 
-      - uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6.2.0
+      - uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92
         with:
           cache-provider: basic
 
-      - name: Test core on runtime JDK
-        run: ./gradlew :test --stacktrace
+      - name: Publish clean compatibility artifacts
+        run: sh scripts/prepare-compatibility-repository.sh build/compatibility-maven
+
+      - name: Verify Java consumer on runtime JDK
+        run: >-
+          ./gradlew
+          -p smoke-test-java
+          -Dmaven.repo.local=${{ github.workspace }}/build/compatibility-maven
+          -PconsumerJavaVersion=${{ matrix.java }}
+          clean check
+          --stacktrace
 
   operating-systems:
+    needs: [matrix]
     runs-on: ${{ matrix.os }}
-    timeout-minutes: 25
+    timeout-minutes: 30
     strategy:
       fail-fast: false
-      matrix:
-        os: [windows-latest, macos-latest]
+      matrix: ${{ fromJSON(needs.matrix.outputs.os) }}
     steps:
       - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1
         with:
@@ -169,9 +209,33 @@ jobs:
           distribution: temurin
           java-version: "17"
 
-      - uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6.2.0
+      - uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92
         with:
           cache-provider: basic
 
-      - name: Test core and adapters
-        run: ./gradlew :test :codes-spring:test :codes-grpc-java:test --stacktrace
+      - name: Verify published consumers on Unix
+        if: runner.os != 'Windows'
+        shell: bash
+        run: |
+          set -euo pipefail
+          sh scripts/prepare-compatibility-repository.sh build/compatibility-maven
+
+          ./gradlew             -p smoke-test-java             "-Dmaven.repo.local=${GITHUB_WORKSPACE}/build/compatibility-maven"             clean check             --stacktrace
+
+          ./gradlew             -p smoke-test-kotlin             "-Dmaven.repo.local=${GITHUB_WORKSPACE}/build/compatibility-maven"             clean check             --stacktrace
+
+      - name: Verify published consumers on Windows
+        if: runner.os == 'Windows'
+        shell: pwsh
+        run: |
+          $ErrorActionPreference = "Stop"
+          $repo = Join-Path $env:GITHUB_WORKSPACE "build\compatibility-maven"
+
+          .\gradlew.bat "-Dmaven.repo.local=$repo" :publishToMavenLocal :codes-spring:publishToMavenLocal --stacktrace
+          if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
+
+          .\gradlew.bat -p smoke-test-java "-Dmaven.repo.local=$repo" clean check --stacktrace
+          if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }
+
+          .\gradlew.bat -p smoke-test-kotlin "-Dmaven.repo.local=$repo" clean check --stacktrace
+          if ($LASTEXITCODE -ne 0) { exit $LASTEXITCODE }

.github/workflows/codeql.yml

@@ -29,7 +29,7 @@ jobs:
           distribution: temurin
           java-version: "17"
 
-      - uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92 # v6.2.0
+      - uses: gradle/actions/setup-gradle@3f131e8634966bd73d06cc69884922b02e6faf92
         with:
           cache-provider: basic
 
@@ -43,9 +43,7 @@ jobs:
           ./gradlew clean
           :testClasses
           :codes-spring:testClasses
-          :codes-grpc-java:testClasses
           :reference-spring-orders:testClasses
-          :reference-grpc-orders:testClasses
           --stacktrace
 
       - uses: github/codeql-action/analyze@5595ccaf912efad79be6eef63a5619ff05969be3