feat: Add new status page

hnsdoh_status/models.py

@@ -0,0 +1,40 @@
+from __future__ import annotations
+
+from dataclasses import dataclass, field
+from datetime import datetime
+from typing import Literal
+
+ProtocolName = Literal["dns_udp", "dns_tcp", "doh", "dot"]
+
+
+@dataclass
+class CheckResult:
+    protocol: ProtocolName
+    ok: bool
+    latency_ms: float | None
+    checked_at: datetime
+    reason: str = ""
+
+
+@dataclass
+class NodeSnapshot:
+    ip: str
+    results: dict[ProtocolName, CheckResult] = field(default_factory=dict)
+
+
+@dataclass
+class Snapshot:
+    domain: str
+    checked_at: datetime
+    node_count: int
+    nodes: list[NodeSnapshot]
+    discovery_error: str = ""
+
+
+@dataclass
+class StatusPayload:
+    generated_at: datetime
+    interval_seconds: int
+    stale_after_seconds: int
+    current: Snapshot | None
+    history: dict[str, list[dict[ProtocolName, CheckResult]]]