feat(agent): add persistent runtime context providers

tests/cli_apps/test_tool.py

@@ -7,6 +7,7 @@ import time
 from pathlib import Path
 
 from nanobot.agent.tools.cli_apps import CliAppsTool
+from nanobot.agent.tools.context import RequestContext
 from nanobot.apps.cli.service import CliAppManager, CliAppsRuntimeConfig
 
 
@@ -125,3 +126,33 @@ def test_run_cli_app_description_names_only_settings_installed_apps(tmp_path: Pa
 
     assert "Settings CLI Apps: drawio" in tool.description
     assert "ordinary system CLIs such as git, gh" in tool.description
+
+
+def test_cli_app_tool_provides_context_only_for_attachment(tmp_path: Path) -> None:
+    tool = CliAppsTool(workspace=tmp_path)
+    provider = tool.runtime_context_provider()
+    assert provider is not None
+
+    empty = asyncio.run(provider(RequestContext(
+        channel="websocket",
+        chat_id="chat",
+        original_user_text="hello",
+        workspace=tmp_path,
+    )))
+    attached = asyncio.run(provider(RequestContext(
+        channel="websocket",
+        chat_id="chat",
+        original_user_text="use @drawio",
+        metadata={
+            "cli_apps": [{
+                "name": "drawio",
+                "entry_point": "cli-anything-drawio",
+            }],
+        },
+        workspace=tmp_path,
+    )))
+
+    assert empty is None
+    assert attached is not None
+    assert attached.source == "cli_apps"
+    assert "CLI App Attachment: @drawio" in attached.content