R23-1/R23-2/R23-4：完成项目沟通回填与收口治理后端

server/src/services/featureFlags/index.js

@@ -17,6 +17,8 @@ const FEATURE_FLAG_KEYS = {
   wecomEntry: "wecom_entry_v1",
   projectDomain: "project_domain_v1",
   projectLinking: "project_linking_v1",
+  projectCommunicationLog: "project_communication_log_v1",
+  projectClosureChecklist: "project_closure_checklist_v1",
   confidentialDocRefs: "confidential_doc_refs_v1",
   publicSecurityHardening: "public_security_hardening_v1",
 };
@@ -144,6 +146,14 @@ function resolveEnvGate(config, flagKey) {
     return Boolean(config.projectLinkingEnabled);
   }
 
+  if (flagKey === FEATURE_FLAG_KEYS.projectCommunicationLog) {
+    return Boolean(config.projectCommunicationLogEnabled);
+  }
+
+  if (flagKey === FEATURE_FLAG_KEYS.projectClosureChecklist) {
+    return Boolean(config.projectClosureChecklistEnabled);
+  }
+
   if (flagKey === FEATURE_FLAG_KEYS.confidentialDocRefs) {
     return Boolean(config.confidentialDocRefsEnabled);
   }