docs: align comments with tdengine history path

modules/core/ingest-api/src/main/java/com/lingniu/ingest/api/event/RawArchiveKeys.java

@@ -11,8 +11,8 @@ import java.util.Map;
  * Shared raw-archive key conventions used by Dispatcher, archive sink, and query services.
  *
  * <p>32960 生产链路里，RAW .bin 文件本体按 {@code 日期/协议/VIN/eventId.bin} 落在 archive 根目录，
- * DuckDB 只保存 {@code archive://...} 引用和查询索引。这个类集中维护 key 规则，避免接收端、落盘端、
- * snapshot 查询端对目录分区的理解不一致。</p>
+ * TDengine raw_frames 或兼容索引只保存 {@code archive://...} 引用。这个类集中维护 key 规则，
+ * 避免接收端、落盘端、snapshot 查询端对目录分区的理解不一致。</p>
  */
 public final class RawArchiveKeys {
 

modules/core/ingest-api/src/main/java/com/lingniu/ingest/api/event/TelemetryFieldValue.java

@@ -3,11 +3,11 @@ package com.lingniu.ingest.api.event;
 /**
  * One normalized telemetry field value.
  *
- * <p>Protocol mappers use stable internal field keys so Kafka, Parquet, Redis,
+ * <p>Protocol mappers use stable internal field keys so Kafka, TDengine, Redis,
  * and statistics do not depend on protocol-specific names.
  *
  * <p>{@code value} 统一用字符串承载，真实类型由 {@code valueType} 表达。这样 Kafka
- * protobuf、CSV 导出、DuckDB JSON 字段和前端展示可以共用同一份字段结构；数值精度/格式化
+ * protobuf、CSV 导出、JSON 字段和前端展示可以共用同一份字段结构；数值精度/格式化
  * 由查询层或前端按 {@code valueType + unit} 决定。
  */
 public record TelemetryFieldValue(

modules/core/ingest-api/src/main/java/com/lingniu/ingest/api/event/TelemetrySnapshot.java

@@ -12,9 +12,9 @@ import java.util.Optional;
 /**
  * Normalized full-field telemetry snapshot for one parsed vehicle event.
  *
- * <p>This is the shared contract for Kafka, Parquet history, Redis hot state,
+ * <p>This is the shared contract for Kafka, TDengine history, Redis hot state,
  * and statistics. It intentionally lives in {@code ingest-api} and has no
- * Spring, Kafka, Redis, or DuckDB dependency.
+ * Spring, Kafka, Redis, or TDengine dependency.
  */
 public record TelemetrySnapshot(
         String eventId,

modules/core/ingest-core/src/main/java/com/lingniu/ingest/core/concurrency/DisruptorEventBus.java

@@ -52,7 +52,7 @@ public final class DisruptorEventBus implements AutoCloseable {
         EventHandler<VehicleEventSlot>[] handlers = this.sinks.stream()
                 .map(this::toHandler)
                 .toArray(EventHandler[]::new);
-        // 每个 sink 一个独立 handler，事件按扇出模式同时写 Kafka、event-file-store 等目标。
+        // 每个 sink 一个独立 handler，事件按扇出模式同时写 Kafka、archive、历史索引等目标。
         disruptor.handleEventsWith(handlers);
         disruptor.start();
         log.info("DisruptorEventBus started ringBuffer={} wait={} sinks={}",

modules/core/ingest-core/src/main/java/com/lingniu/ingest/core/config/IngestCoreAutoConfiguration.java

@@ -24,7 +24,7 @@ import java.util.List;
  *
  * <p>生产链路顺序：入口收到 {@code RawFrame} → {@link InterceptorChain} 做准入 →
  * {@link Dispatcher} 定位协议 Handler → Handler 产出 {@code VehicleEvent} →
- * {@link DisruptorEventBus} 扇出到 Archive、DuckDB、Kafka 等 {@code EventSink}。
+ * {@link DisruptorEventBus} 扇出到 Archive、Kafka、历史索引等 {@code EventSink}。
  */
 @AutoConfiguration
 @EnableConfigurationProperties(IngestCoreProperties.class)

modules/core/ingest-core/src/main/java/com/lingniu/ingest/core/pipeline/builtin/DedupInterceptor.java

@@ -18,7 +18,7 @@ import java.util.Map;
  * 优先使用已解析 VIN；VIN 未解析时使用 phone/deviceId/terminalId/plate，避免 JT808 多终端在
  * {@code vin=unknown} 时同流水号互相去重。如果上游已经在 {@link RawFrame#sourceMeta()} 里带了
  * {@code seq}，优先用真实流水号；否则退化为 raw bytes fingerprint，避免设备重连或 TCP 重发导致
- * 同一帧重复进入 DuckDB/Archive。
+ * 同一帧重复进入 Archive/Kafka/历史索引。
  *
  * <p>当前缓存是进程内的，只能保证单实例去重。32960 若做多副本水平扩容，需要把这个位置替换成
  * Redis/集中式幂等键，否则不同实例仍可能各自接收一次相同原始包。