diff --git a/.claude/rules/core-classes.md b/.claude/rules/core-classes.md
index b43b99f0..de7e5df4 100644
--- a/.claude/rules/core-classes.md
+++ b/.claude/rules/core-classes.md
@@ -111,4 +111,4 @@ paths:
 - `ChunkAccumulator` — batches data for efficient flush; owns the execution write path (chunks → buffers → flush scheduler → `ClickHouseExecutionStore.insertExecutionBatch`).
 - `WriteBuffer` — bounded ring buffer for async flush
 - `BufferedLogEntry` — log entry wrapper with metadata
-- `MergedExecution`, `TaggedDiagram` — tagged ingestion records. `TaggedDiagram` carries `(instanceId, applicationId, environment, graph)` — env is resolved from the agent registry in the controller and stamped on the ClickHouse `route_diagrams` row. (`TaggedExecution` still lives in the package as a leftover but has no callers since the legacy PG ingest path was retired.)
+- `MergedExecution`, `TaggedDiagram` — tagged ingestion records. `TaggedDiagram` carries `(instanceId, applicationId, environment, graph)` — env is resolved from the agent registry in the controller and stamped on the ClickHouse `route_diagrams` row.
diff --git a/cameleer-server-core/src/main/java/com/cameleer/server/core/ingestion/TaggedExecution.java b/cameleer-server-core/src/main/java/com/cameleer/server/core/ingestion/TaggedExecution.java
deleted file mode 100644
index 13d56c8a..00000000
--- a/cameleer-server-core/src/main/java/com/cameleer/server/core/ingestion/TaggedExecution.java
+++ /dev/null
@@ -1,11 +0,0 @@
-package com.cameleer.server.core.ingestion;
-
-import com.cameleer.common.model.RouteExecution;
-
-/**
- * Pairs a {@link RouteExecution} with the authenticated agent identity.
- * <p>
- * The agent ID is extracted from the SecurityContext in the controller layer
- * and carried through the write buffer so the flush scheduler can persist it.
- */
-public record TaggedExecution(String instanceId, RouteExecution execution) {}