T31: Skip temporal-spring-ai on JDK < 17

Docker CI runs Java 11 which can't compile --release 17. Conditionally
exclude the module from settings.gradle and BOM when the build JDK is
below 17.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: donald-pinckney

TASK_QUEUE.json

@@ -114,6 +114,16 @@
       "depends_on": [],
       "status": "completed",
       "notes": "Edge CI log showed: Dependency resolution is looking for a library compatible with JVM runtime version 17, but temporal-sdk is only compatible with JVM runtime version 21 or newer."
+    },
+    {
+      "id": "T31",
+      "title": "Fix CI: Docker build fails with Java 11 (release 17 not supported)",
+      "description": "Docker CI runs Java 11 which cannot compile --release 17. Conditionally exclude temporal-spring-ai from settings.gradle and BOM when JDK < 17.",
+      "severity": "high",
+      "category": "bugfix",
+      "depends_on": [],
+      "status": "completed",
+      "notes": "Docker CI log showed: error: release version 17 not supported. JAVA_HOME was Java 11."
     }
   ]
 }

settings.gradle

@@ -6,7 +6,11 @@ include 'temporal-testing'
 include 'temporal-test-server'
 include 'temporal-opentracing'
 include 'temporal-kotlin'
-include 'temporal-spring-ai'
+// temporal-spring-ai requires Java 17+ (Spring AI dependency).
+// Exclude from builds running on older JDKs.
+if (JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_17)) {
+    include 'temporal-spring-ai'
+}
 include 'temporal-spring-boot-autoconfigure'
 include 'temporal-spring-boot-starter'
 include 'temporal-remote-data-encoder'

temporal-bom/build.gradle

@@ -12,7 +12,9 @@ dependencies {
         api project(':temporal-sdk')
         api project(':temporal-serviceclient')
         api project(':temporal-shaded')
-        api project(':temporal-spring-ai')
+        if (JavaVersion.current().isCompatibleWith(JavaVersion.VERSION_17)) {
+            api project(':temporal-spring-ai')
+        }
         api project(':temporal-spring-boot-autoconfigure')
         api project(':temporal-spring-boot-starter')
         api project(':temporal-test-server')