Place the correctness contract annotations in datadog.contract

Follows #12998, which gathers the contract annotations into one
package. The links to PerfContract and SuppressPerfContract keep their
current package until that change reaches this branch.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

Author: dougqh

.github/CODEOWNERS

@@ -87,7 +87,7 @@
 /internal-api/src/*/*/datadog/trace/api/env/                    @DataDog/apm-java
 /internal-api/src/*/*/datadog/trace/api/flare/                  @DataDog/apm-java
 /internal-api/src/*/*/datadog/trace/api/function/               @DataDog/apm-java
-/internal-api/src/*/*/datadog/correctnesscontract/             @DataDog/apm-java
+/internal-api/src/*/*/datadog/contract/                @DataDog/apm-java
 /internal-api/src/*/*/datadog/perfcontract/                     @DataDog/apm-java
 /internal-api/src/*/*/datadog/trace/api/intake/                 @DataDog/apm-java
 /internal-api/src/*/*/datadog/trace/api/logging/                @DataDog/apm-java

…atadog/correctnesscontract/Confined.java …main/java/datadog/contract/Confined.javainternal-api/src/main/java/datadog/correctnesscontract/Confined.java renamed to internal-api/src/main/java/datadog/contract/Confined.java internal-api/src/main/java/datadog/correctnesscontract/Confined.java renamed to internal-api/src/main/java/datadog/contract/Confined.java

@@ -1,4 +1,4 @@
-package datadog.correctnesscontract;
+package datadog.contract;
 
 import java.lang.annotation.Documented;
 import java.lang.annotation.ElementType;

…ectnesscontract/CorrectnessContract.java …atadog/contract/CorrectnessContract.javainternal-api/src/main/java/datadog/correctnesscontract/CorrectnessContract.java renamed to internal-api/src/main/java/datadog/contract/CorrectnessContract.java internal-api/src/main/java/datadog/correctnesscontract/CorrectnessContract.java renamed to internal-api/src/main/java/datadog/contract/CorrectnessContract.java

@@ -1,4 +1,4 @@
-package datadog.correctnesscontract;
+package datadog.contract;
 
 import java.lang.annotation.Documented;
 import java.lang.annotation.ElementType;

utils/queue-utils/src/main/java/datadog/common/queue/Reservation.java

@@ -1,8 +1,8 @@
 package datadog.common.queue;
 
-import static datadog.correctnesscontract.Confined.Extent.FRAME;
+import static datadog.contract.Confined.Extent.FRAME;
 
-import datadog.correctnesscontract.Confined;
+import datadog.contract.Confined;
 
 /**
  * A claimed place in a {@link WorkQueue}, for a caller whose work between claiming and filling

utils/queue-utils/src/main/java/datadog/common/queue/RetryQueue.java

@@ -1,8 +1,8 @@
 package datadog.common.queue;
 
-import static datadog.correctnesscontract.Confined.Extent.CALL;
+import static datadog.contract.Confined.Extent.CALL;
 
-import datadog.correctnesscontract.Confined;
+import datadog.contract.Confined;
 import javax.annotation.Nonnull;
 
 /**