implement session management in agent harness

agent-sessions/test_memory.py

@@ -0,0 +1,50 @@
+import tempfile
+import unittest
+from pathlib import Path
+import sys
+
+sys.path.insert(0, str(Path(__file__).parent))
+from memory import MemoryStore
+
+
+class MemoryStoreTests(unittest.TestCase):
+    def setUp(self):
+        self.root = Path(tempfile.mkdtemp())
+        self.store = MemoryStore(self.root)
+
+    def test_persists_project_and_user_notes(self):
+        self.store.append_notes("project", "Use uv for Python commands.")
+        self.store.append_notes("user", "Prefers concise answers.")
+
+        self.assertIn("Use uv", self.store.read_notes("project"))
+        self.assertIn("concise", self.store.read_notes("user"))
+
+    def test_migrates_existing_personal_notes_to_project(self):
+        (self.root / "personal.md").write_text("Use uv for Python commands.\n")
+
+        migrated = MemoryStore(self.root)
+
+        self.assertFalse((self.root / "personal.md").exists())
+        self.assertIn("Use uv", migrated.read_notes("project"))
+
+    def test_lists_and_searches_saved_sessions(self):
+        self.store.create_session("session-one", [
+            {"role": "system", "content": "system"},
+            {"role": "user", "content": "Investigate the cache bug."},
+        ])
+        self.store.write_summary("session-one", "Found and fixed the cache bug.")
+
+        self.assertEqual(self.store.list_sessions()[0]["id"], "session-one")
+        self.assertEqual(self.store.search_sessions("cache")[0]["id"], "session-one")
+
+    def test_creates_fallback_summary(self):
+        self.store.create_session("session-two", [
+            {"role": "user", "content": "Please inspect this project."},
+        ])
+        self.store.ensure_summary("session-two")
+
+        self.assertIn("inspect", self.store.load_session("session-two")["summary"])
+
+
+if __name__ == "__main__":
+    unittest.main()