Port exit-plan-mode and auto-mode-switch handler APIs from reference implementation

.lastmerge

@@ -1 +1 @@
-066a69c1e849adf1bd98564ab1b52316ec471182
+4a0437bb03a0b60a1867f14ae8e3faf053afa5aa

pom.xml

@@ -94,7 +94,7 @@
             reference-impl-sync workflow and deal with the subsequent
             PR.
         -->
-        <readonly-copilot-sdk-ref-impl-version-from-lastmerge-file-updated-by-reference-impl-sync>^1.0.44-2</readonly-copilot-sdk-ref-impl-version-from-lastmerge-file-updated-by-reference-impl-sync>
+        <readonly-copilot-sdk-ref-impl-version-from-lastmerge-file-updated-by-reference-impl-sync>^1.0.44-3</readonly-copilot-sdk-ref-impl-version-from-lastmerge-file-updated-by-reference-impl-sync>
 
     </properties>
 

scripts/codegen/package.json

@@ -7,7 +7,7 @@
     "generate:java": "tsx java.ts"
   },
   "dependencies": {
-    "@github/copilot": "^1.0.44-2",
+    "@github/copilot": "^1.0.44-3",
     "json-schema": "^0.4.0",
     "tsx": "^4.20.6"
   }