Remove Spring references from Javadoc comments

Replace "Spring MVC pattern" and similar Spring-specific language in
internal Javadoc with neutral descriptions of what the code does.

Author: mark-tuvium

acp-agent-support/src/main/java/com/agentclientprotocol/sdk/agent/support/AcpAgentSupport.java

@@ -66,7 +66,7 @@
  * Bootstrap class for annotation-based ACP agents.
  *
  * <p>This class provides a fluent builder API to configure and run
- * annotation-based agents without requiring Spring or other frameworks.
+ * annotation-based agents without requiring any external framework.
  *
  * <p>Example usage:
  * <pre>{@code

acp-agent-support/src/main/java/com/agentclientprotocol/sdk/agent/support/AcpMethodParameter.java

@@ -14,8 +14,7 @@
  * Metadata about a method parameter. Implements equals/hashCode
  * for use as cache key in argument resolver lookup.
  *
- * <p>This class follows the Spring MVC pattern of pre-computing
- * and caching parameter metadata for performance.
+ * <p>Pre-computes and caches parameter metadata for performance.
  *
  * @author Mark Pollack
  * @since 1.0.0

acp-agent-support/src/main/java/com/agentclientprotocol/sdk/agent/support/handler/ReturnValueHandlerComposite.java

@@ -14,8 +14,7 @@
  * Composite that chains multiple return value handlers.
  *
  * <p>NOTE: Unlike argument resolvers, NO caching is used here.
- * This follows the Spring MVC pattern where return types vary more
- * and caching provides less benefit.
+ * Return types vary more and caching provides less benefit.
  *
  * @author Mark Pollack
  * @since 1.0.0

acp-agent-support/src/main/java/com/agentclientprotocol/sdk/agent/support/interceptor/InterceptorChain.java

@@ -17,9 +17,8 @@
  * Manages interceptor execution with proper lifecycle tracking.
  * Ensures afterCompletion is only called for interceptors that started.
  *
- * <p>This class follows the Spring MVC pattern of tracking the index
- * of the last successfully invoked interceptor, ensuring proper cleanup
- * even when exceptions occur.
+ * <p>Tracks the index of the last successfully invoked interceptor,
+ * ensuring proper cleanup even when exceptions occur.
  *
  * @author Mark Pollack
  * @since 1.0.0

acp-agent-support/src/main/java/com/agentclientprotocol/sdk/agent/support/resolver/ArgumentResolverComposite.java

@@ -16,10 +16,9 @@
  * Composite that chains multiple argument resolvers.
  * Caches resolver selection per parameter for performance.
  *
- * <p>This follows the Spring MVC pattern where resolver lookup is
- * cached using {@link AcpMethodParameter} as the cache key. The first
- * resolver that supports a parameter is cached and reused for subsequent
- * invocations.
+ * <p>Resolver lookup is cached using {@link AcpMethodParameter} as the
+ * cache key. The first resolver that supports a parameter is cached and
+ * reused for subsequent invocations.
  *
  * @author Mark Pollack
  * @since 1.0.0
@@ -28,7 +27,7 @@ public class ArgumentResolverComposite implements ArgumentResolver {
 
 	private final List<ArgumentResolver> resolvers = new ArrayList<>();
 
-	// Cache: parameter -> resolver (Spring pattern)
+	// Cache: parameter -> resolver
 	private final ConcurrentMap<AcpMethodParameter, ArgumentResolver> resolverCache = new ConcurrentHashMap<>(256);
 
 	// Sentinel value for "no resolver found"