sched: crash-safe admin ordering, create watermark, poll freshness (T13 fix)

src/wf_client/schedules.py

@@ -32,6 +32,8 @@ class Schedule:
     enabled: bool
     paused: bool
     deleted: bool
+    exhausted: bool
+    blocked_reason: str | None
     overlap: str
     misfire: str
     max_active_runs: int
@@ -50,6 +52,8 @@ class Schedule:
         enabled: bool,
         paused: bool,
         deleted: bool,
+        exhausted: bool,
+        blocked_reason: str | None,
         overlap: str,
         misfire: str,
         max_active_runs: int,
@@ -65,6 +69,8 @@ class Schedule:
         object.__setattr__(self, "enabled", enabled)
         object.__setattr__(self, "paused", paused)
         object.__setattr__(self, "deleted", deleted)
+        object.__setattr__(self, "exhausted", exhausted)
+        object.__setattr__(self, "blocked_reason", blocked_reason)
         object.__setattr__(self, "overlap", overlap)
         object.__setattr__(self, "misfire", misfire)
         object.__setattr__(self, "max_active_runs", max_active_runs)
@@ -135,6 +141,8 @@ class Schedule:
             enabled=wire["enabled"],
             paused=wire["paused"],
             deleted=wire["deleted"],
+            exhausted=wire["exhausted"],
+            blocked_reason=wire["blocked_reason"],
             overlap=wire["overlap"],
             misfire=wire["misfire"],
             max_active_runs=wire["max_active_runs"],