diff --git a/README.md b/README.md
index 1be4051..378c517 100644
--- a/README.md
+++ b/README.md
@@ -899,6 +899,10 @@ Each context accumulates a graph trace that documents the path through the flow.
 | `M`, `S`, `L`, `HOT`, `COLD` | Model category short name |
 | agent name | Executed agent |
 | `○` | Completion skipped |
+| `⏹` | Completion stopped because the token limit was reached |
+| `⛔` | Completion stopped because the content was filtered |
+| `🔧` | Completion stopped because the model returned tool calls |
+| `❌` | Completion stopped because of an remote error |
 | `⇉ x/n` | Branch split x of n |
 | `size↣merged` | Merge size summary |
 | `→` | Next agent is a `COMPLETION` agent |
diff --git a/src/main/java/de/extio/lmlib/agent/BaseAgent.java b/src/main/java/de/extio/lmlib/agent/BaseAgent.java
index 5f3667f..450503a 100644
--- a/src/main/java/de/extio/lmlib/agent/BaseAgent.java
+++ b/src/main/java/de/extio/lmlib/agent/BaseAgent.java
@@ -202,6 +202,23 @@ public interface BaseAgent {
 							split.context().getGraph().add("(" + durationMs + " ms)");
 							split.context().setLastCompletion(completion);
 							split.context().getRequestStatistic().add(completion);
+							switch (completion.finishReason()) {
+								case TOKEN_LIMIT_REACHED:
+									split.context().getGraph().add("⏹");
+									break;
+								case CONTENT_FILTERED:
+									split.context().getGraph().add("⛔");
+									break;
+								case TOOL_CALLS:
+									split.context().getGraph().add("🔧");
+									break;
+								case ERROR:
+									split.context().getGraph().add("❌");
+									continue;
+								default:
+									break;
+							}
+							
 							if (!completion.toolCalls().isEmpty() && responseHandler instanceof final ToolCallingAgentResponseHandler toolCallingAgentResponseHandler) {
 								if (toolCallRounds >= 6) {
 									parseException = new IllegalStateException("Too many tool call rounds");