chore: import upstream snapshot with attribution

tests/test_engine/test_render_volatile_block.py

@@ -0,0 +1,108 @@
+from __future__ import annotations
+
+from types import SimpleNamespace
+from unittest.mock import MagicMock
+
+from opensquilla.engine.runtime import TurnRunner
+
+
+def test_bootstrap_md_renders_under_named_heading() -> None:
+    rendered = TurnRunner._render_volatile_block(
+        daily_notes=None,
+        workspace_files={"BOOTSTRAP.md": "do the setup ritual"},
+        extra_context=None,
+    )
+
+    assert "### One-Shot Workspace Bootstrap" in rendered
+    assert "do the setup ritual" in rendered
+    assert "Workspace Context" not in rendered
+
+
+def test_bootstrap_md_absent_emits_no_bootstrap_heading() -> None:
+    rendered = TurnRunner._render_volatile_block(
+        daily_notes=None,
+        workspace_files={"USER.md": "user profile"},
+        extra_context=None,
+    )
+
+    assert "One-Shot Workspace Bootstrap" not in rendered
+    assert "### Workspace Context 1" in rendered
+    assert "<untrusted source='workspace:USER.md'>user profile</untrusted>" in rendered
+
+
+def test_bootstrap_md_alongside_other_files_keeps_named_heading_and_renumbers_others() -> None:
+    rendered = TurnRunner._render_volatile_block(
+        daily_notes=None,
+        workspace_files={
+            "AGENTS.md": "agents body",
+            "BOOTSTRAP.md": "bootstrap body",
+            "USER.md": "user body",
+        },
+        extra_context=None,
+    )
+
+    assert "### One-Shot Workspace Bootstrap\n\nbootstrap body" in rendered
+    assert (
+        "### Workspace Context 1\n\n"
+        "<untrusted source='workspace:AGENTS.md'>agents body</untrusted>"
+    ) in rendered
+    assert (
+        "### Workspace Context 2\n\n"
+        "<untrusted source='workspace:USER.md'>user body</untrusted>"
+    ) in rendered
+    # BOOTSTRAP.md must not consume an index slot.
+    assert "### Workspace Context 3" not in rendered
+
+
+def test_bootstrap_md_suppressed_in_minimal_mode() -> None:
+    rendered = TurnRunner._render_volatile_block(
+        daily_notes=None,
+        workspace_files={"BOOTSTRAP.md": "do the setup ritual"},
+        extra_context=None,
+        prompt_mode="minimal",
+    )
+
+    assert rendered == ""
+
+
+def test_workspace_untrusted_wrapping_can_be_disabled() -> None:
+    rendered = TurnRunner._render_volatile_block(
+        daily_notes=None,
+        workspace_files={"USER.md": "user profile"},
+        extra_context=None,
+        wrap_untrusted_workspace=False,
+    )
+
+    assert "### Workspace Context 1\n\nuser profile" in rendered
+    assert "<untrusted" not in rendered
+
+
+def test_subagent_prompt_compact_keeps_only_agents_and_tools(tmp_path) -> None:
+    for name in ("AGENTS.md", "SOUL.md", "TOOLS.md", "USER.md"):
+        (tmp_path / name).write_text(f"{name} body", encoding="utf-8")
+    runner = TurnRunner(
+        provider_selector=MagicMock(),
+        config=SimpleNamespace(
+            agent_name=None,
+            tools=SimpleNamespace(profile=None),
+            safety=SimpleNamespace(injection_scan_mode="off", wrap_untrusted_workspace=False),
+            subagents=SimpleNamespace(prompt_compact=True),
+            memory=SimpleNamespace(inject_limit=4000),
+            heartbeat_prompt=None,
+        ),
+    )
+    runner._resolve_bootstrap_workspace_dir = lambda _agent_id: tmp_path
+    runner._resolve_memory_source_dir = lambda _agent_id: tmp_path
+
+    assembled = runner._assemble_prompt(
+        "main",
+        [],
+        session_key="agent:main:subagent:run-1",
+    )
+
+    assert isinstance(assembled, tuple)
+    dynamic_suffix = assembled[1]
+    assert "AGENTS.md body" in dynamic_suffix
+    assert "TOOLS.md body" in dynamic_suffix
+    assert "USER.md body" not in dynamic_suffix
+    assert "SOUL.md body" not in dynamic_suffix