fix: align Jackson patch and verify main in CI

.github/workflows/ci.yml

@@ -1,18 +1,18 @@
-# CI workflow for the feature/2.0.x line (JDK 17)
+# CI workflow for main and the feature/2.0.x line (JDK 17)
 #
 # Triggers:
-#   - push / pull_request on the feature/2.0.x branch
+#   - push / pull_request on main and feature/2.0.x
 #   - manual workflow_dispatch
 #
 # Runs `mvn -B clean verify` which includes the JaCoCo coverage gate
-# (90% line coverage, haltOnFailure=false) configured in the POM.
+# (90% line coverage, haltOnFailure=true) configured in the POM.
 name: CI
 
 on:
   push:
-    branches: [feature/2.0.x]
+    branches: [main, feature/2.0.x]
   pull_request:
-    branches: [feature/2.0.x]
+    branches: [main, feature/2.0.x]
   workflow_dispatch:
 
 permissions:

pom.xml

@@ -191,6 +191,7 @@
                     <configuration>
                         <skip>false</skip>
                         <skipTests>false</skipTests>
+                        <failIfNoTests>true</failIfNoTests>
                         <argLine>${argLine} -Xmx1024m -Dfile.encoding=UTF-8</argLine>
                         <additionalClasspathElements>
                             <additionalClasspathElement>${basedir}/target/test-classes</additionalClasspathElement>
@@ -362,7 +363,6 @@
 		<junit.version>4.13.2</junit.version>
 		<slf4j.version>2.0.18</slf4j.version>
 		<lombok.version>1.18.46</lombok.version>
-		<jackson.version>2.22.0</jackson.version>
 		<junit-jupiter.version>6.1.0</junit-jupiter.version>
 		<commons-lang.version>2.6</commons-lang.version></properties>
         </profile>
@@ -468,7 +468,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
         <!-- Dependency versions -->
         <commons-exec.version>1.6.0</commons-exec.version>
-        <jackson.version>2.17.2</jackson.version>
+        <jackson.version>2.22.4</jackson.version>
         <java-websocket.version>1.6.0</java-websocket.version>
         <junit.version>5.11.4</junit.version>
         <lombok.version>1.18.46</lombok.version>

src/test/java/io/github/easy4j/openclaw/JacksonCompatibilityTest.java

@@ -0,0 +1,53 @@
+package io.github.easy4j.openclaw;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import io.github.easy4j.openclaw.api.model.ChatMessage;
+import io.github.easy4j.openclaw.api.model.ChatRequest;
+import io.github.easy4j.openclaw.api.model.ChatResponse;
+import io.github.easy4j.openclaw.api.model.ThinkOption;
+import org.junit.jupiter.api.Test;
+
+import java.io.IOException;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class JacksonCompatibilityTest {
+    private final ObjectMapper mapper = new ObjectMapper();
+
+    @Test
+    void preservesGatewayRequestNamesUnicodeAndNullOmission() throws Exception {
+        ChatRequest request = ChatRequest.builder()
+                .model("openclaw/default")
+                .messages(List.of(ChatMessage.ofUser("你好 🌍")))
+                .maxCompletionTokens(128).build();
+        var json = mapper.readTree(mapper.writeValueAsBytes(request));
+        assertEquals(128, json.get("max_completion_tokens").asInt());
+        assertEquals("你好 🌍", json.at("/messages/0/content").asText());
+        assertFalse(json.has("maxCompletionTokens"));
+        assertFalse(json.has("temperature"));
+    }
+
+    @Test
+    void readsForwardCompatibleGatewayResponseAndSnakeCase() throws Exception {
+        ChatResponse response = mapper.readValue("""
+                {"id":"chat-1","future_field":{},"choices":[
+                  {"index":0,"finish_reason":"stop","future_choice":true,
+                   "message":{"role":"assistant","content":"完成"}}]}
+                """, ChatResponse.class);
+        assertEquals("chat-1", response.getId());
+        assertTrue(response.getChoices().get(0).isStop());
+        assertEquals("完成", response.getChoices().get(0).getMessage().getContent());
+    }
+
+    @Test
+    void preservesCustomThinkBooleanAndLevelCodecsAndRejectsInvalidTokens() throws Exception {
+        for (String json : List.of("true", "false", "\"low\"", "\"medium\"", "\"high\"")) {
+            ThinkOption option = mapper.readValue(json, ThinkOption.class);
+            assertEquals(json, mapper.writeValueAsString(option));
+        }
+        assertNull(mapper.readValue("null", ThinkOption.class));
+        assertThrows(IOException.class, () -> mapper.readValue("{}", ThinkOption.class));
+        assertThrows(IllegalArgumentException.class, () -> mapper.readValue("\"invalid\"", ThinkOption.class));
+    }
+}