fix: address PR review comments - rename _dedup to _dedupe and fix ID storage consistency

nanobot/agent/runner.py

@@ -373,7 +373,7 @@ class AgentRunner:
                 # may repair or compact historical messages for the model, but
                 # those synthetic edits must not shift the append boundary used
                 # later when the caller saves only the new turn.
-                messages_for_model = self._dedup_tool_calls(messages)
+                messages_for_model = self._dedupe_tool_calls(messages)
                 messages_for_model = self._drop_orphan_tool_results(messages_for_model)
                 messages_for_model = self._backfill_missing_tool_results(messages_for_model)
                 messages_for_model = self._microcompact(messages_for_model)
@@ -389,7 +389,7 @@ class AgentRunner:
                     spec.session_key or "default",
                 )
                 try:
-                    messages_for_model = self._dedup_tool_calls(messages)
+                    messages_for_model = self._dedupe_tool_calls(messages)
                     messages_for_model = self._drop_orphan_tool_results(messages_for_model)
                     messages_for_model = self._backfill_missing_tool_results(messages_for_model)
                 except Exception:
@@ -1358,7 +1358,7 @@ class AgentRunner:
         return content
 
     @staticmethod
-    def _dedup_tool_calls(
+    def _dedupe_tool_calls(
         messages: list[dict[str, Any]],
     ) -> list[dict[str, Any]]:
         """Remove duplicate tool_call / tool_result ids from the history.
@@ -1383,11 +1383,11 @@ class AgentRunner:
                 changed = False
                 for tc in msg.get("tool_calls") or []:
                     tid = tc.get("id") if isinstance(tc, dict) else None
-                    if tid and tid in seen_call_ids:
+                    if tid and str(tid) in seen_call_ids:
                         changed = True
                         continue
                     if tid:
-                        seen_call_ids.add(tid)
+                        seen_call_ids.add(str(tid))
                     kept.append(tc)
                 if changed:
                     replacement = dict(msg)

tests/agent/test_runner_governance.py

@@ -184,7 +184,7 @@ async def test_backfill_missing_tool_results_inserts_error():
     assert backfilled[0]["name"] == "read_file"
 
 
-def test_dedup_tool_calls_removes_duplicate_ids():
+def test_dedupe_tool_calls_removes_duplicate_ids():
     from nanobot.agent.runner import AgentRunner
 
     messages = [
@@ -205,7 +205,7 @@ def test_dedup_tool_calls_removes_duplicate_ids():
         {"role": "tool", "tool_call_id": "b", "name": "y", "content": "rb-dup"},
     ]
 
-    cleaned = AgentRunner._dedup_tool_calls(messages)
+    cleaned = AgentRunner._dedupe_tool_calls(messages)
 
     assert cleaned == [
         {"role": "user", "content": "hi"},
@@ -222,7 +222,7 @@ def test_dedup_tool_calls_removes_duplicate_ids():
     ]
 
 
-def test_dedup_tool_calls_noop_when_unique():
+def test_dedupe_tool_calls_noop_when_unique():
     from nanobot.agent.runner import AgentRunner
 
     messages = [
@@ -238,7 +238,7 @@ def test_dedup_tool_calls_noop_when_unique():
     ]
 
     # No duplicates -> identical list object returned (cheap no-op path).
-    assert AgentRunner._dedup_tool_calls(messages) is messages
+    assert AgentRunner._dedupe_tool_calls(messages) is messages
 
 
 def test_drop_orphan_tool_results_removes_unmatched_tool_messages():