core: Policy, Pflege-Agent (HITL), Healer, Lifecycle-Pipeline, Graduierung + Konfiguration

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

core/src/knaster/store.py

@@ -91,6 +91,9 @@ slot_state = Table(
     Column("status", String(20)),
     Column("effective_context", Integer),
     Column("base_model", String(200)),
+    Column("canary_model", String(200)),
+    Column("canary_share", Float),
+    Column("canary_cluster", String(200)),
     Column("reason", Text),
     Column("set_by", String(50)),
     Column("updated_at", Float),
@@ -223,9 +226,10 @@ class Store:
             return [dict(r._mapping) for r in conn.execute(q)]
 
     # --- Ereignisse ------------------------------------------------------------------------
-    def add_event(self, kind: str, subject: str | None = None, data: dict | None = None) -> None:
+    def add_event(self, kind: str, subject: str | None = None, data: dict | None = None,
+                  ts: float | None = None) -> None:
         with self.engine.begin() as conn:
-            conn.execute(insert(events).values(ts=now(), kind=kind, subject=subject, data=data or {}))
+            conn.execute(insert(events).values(ts=ts or now(), kind=kind, subject=subject, data=data or {}))
 
     def count_events(self, kind: str, *, subject: str | None = None, since: float | None = None) -> int:
         q = select(func.count()).select_from(events).where(events.c.kind == kind)