Initial standalone memabra release

tests/test_memory_store.py

@@ -0,0 +1,27 @@
+from memabra.memory_store import InMemoryMemoryStore, MemoryRecord, MemorySource
+from memabra.schemas import SchemaRegistry
+
+
+def test_memory_store_verify_and_revoke_round_trip():
+    store = InMemoryMemoryStore()
+    record = MemoryRecord(
+        id="mem-pref-1",
+        memory_type="semantic",
+        fact_status="assumed",
+        content="User prefers plain text on Telegram.",
+        summary="Telegram plain-text preference",
+        source=MemorySource(kind="user", ref="session-1"),
+        confidence=0.9,
+    )
+    store.upsert(record)
+    store.verify("mem-pref-1", status="confirmed", check_method="user-confirmed")
+    store.mark_used("mem-pref-1")
+    store.revoke("mem-pref-1", reason="User changed preference")
+
+    updated = store.get("mem-pref-1")
+    assert updated is not None
+    assert updated.verification.status == "confirmed"
+    assert updated.last_used_at is not None
+    assert updated.fact_status == "revoked"
+
+    SchemaRegistry().validate_memory_record(updated.to_dict())