feat: harden video analysis and runtime resilience

tests/unit/agents/test_operator_prompts.py

@@ -47,6 +47,18 @@ def test_operator_prompt_omits_environment_trust_and_explorer_directives():
         assert "Visual Explorer Rule" not in prompt
 
 
+def test_operator_prompt_keeps_large_list_traversal_single_pass_until_boundary():
+    for template in load_operator_prompts().values():
+        prompt = apply_operator_prompt_contract(template)
+
+        assert "do not advance to another milestone or mark it complete" in prompt
+        assert "A single scroll that reveals no new content is not sufficient evidence" in prompt
+        assert "one additional successful swipe in the same direction" in prompt
+        assert "never reverse direction merely to prove completion" in prompt
+        assert "even if older execution history has been pruned" in prompt
+        assert "Terminate exploration when a definitive boundary is reached" not in prompt
+
+
 def test_compatibility_builder_uses_canonical_operator_template():
     expected = apply_operator_prompt_contract(load_operator_prompts()["main_template"])