feat: init commint

.env.example

@@ -26,6 +26,8 @@ AI_CREDENTIAL_ENCRYPTION_KEY=
 INTERNAL_MCP_TOKEN=
 METRICS_TOKEN=
 AI_RUN_RETENTION_DAYS=90
+# 仅擦除模型调用完整 messages、原始输出和 Agent attempt 原始输出；调用元数据永久保留。
+MODEL_INVOCATION_DIAGNOSTIC_RETENTION_DAYS=90
 AI_SLOW_RUN_THRESHOLD_SECONDS=20
 AI_AGENT_MODEL_TIMEOUT_SECONDS=60
 KNOWLEDGE_EMBEDDING_DEPLOYMENT_ID=0
@@ -39,6 +41,10 @@ KNOWLEDGE_RERANK_CANDIDATE_LIMIT=30
 KNOWLEDGE_RERANK_MODEL_WEIGHT=0.60
 TICKET_AUTO_RESOLVE_ENABLED=false
 TICKET_AUTO_RESOLVE_MIN_SCORE=0.85
+TICKET_AUTOMATION_ENABLED=false
+TICKET_AUTOMATION_MAX_RETRIES=2
+TICKET_AUTO_CLOSE_HOURS=24
+SUPPORT_REFERENCE_MIN_SCORE=0.35
 WORK_ITEM_DEFAULT_SLA_HOURS=24
 WORK_ITEM_INTAKE_FAILURE_SLA_HOURS=4
 WORK_ITEM_SUPPORT_FAILURE_SLA_HOURS=4