(20250117) Day-end push.

models/core/auth_token.py

@@ -179,12 +179,30 @@ class CoreAuthTokenModel(BaseModel):
         default = None
     )
 
+    syncAfterTs: AwareDatetime | None = Field(
+        description = "the time (utc) after which this account becomes eligible for re-sync'ing",
+        frozen = False,
+        default = True
+    )
+
     lastSyncTs: AwareDatetime | None = Field(
         description = "the time at which this client's updates were last polled",
         frozen = False,
         default = None
     )
 
+    batchId: ObjectId | None = Field(
+        description = "a batch id assigned when creds are picked for account data sync'ing",
+        frozen = False,
+        default = None
+    )
+
+    batchTs: AwareDatetime | None = Field(
+        description = "the time (utc) at which this record was picked for data sync'ing",
+        frozen = False,
+        default = None
+    )
+
     # ┏┓    ┏•
     # ┃ ┏┓┏┓╋┓┏┓
     # ┗┛┗┛┛┗┛┗┗┫
@@ -204,6 +222,7 @@ class CoreAuthTokenModel(BaseModel):
     @field_validator(
         "firstRequestTs",
         "lastRequestTs", "firstRefreshTs", "lastRefreshTs",
+        "batchTs", "lastSyncTs", "syncAfterTs",
         mode = "before"
     )
     def parse_date_time(cls, value):