Add per-source status tracking, /health sources block and /sources

Collectors record the result of every source (schema v3, table
source_status); /health reports failing sources (failures in a row >=
source_failure_threshold) and turns degraded; GET /sources shows the full
state; runs end with a summary log line instead of "data saved".

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

api_server.py

@@ -210,6 +210,28 @@ def collector_state():
     return alive, updated_at, (status.get("jobs", {}) if status else {})
 
 
+def source_health():
+    """Сводка по источникам для /health: всего и только неисправные (сбоев подряд не меньше порога)."""
+    try:
+        config = load_full_config()
+    except StorageError:
+        return None, False
+    threshold = cc.failure_threshold(config)
+    with db.session() as conn:
+        statuses = db.source_statuses(conn)
+    summary, any_failing = {}, False
+    for kind, key in (("asn", "asns"), ("fqdn", "fqdns")):
+        configured = [str(source) for source in config.get(key, [])]
+        failing = [{"source": source, "failures": statuses[kind, source]["failures"],
+                    "last_success": statuses[kind, source]["last_success"],
+                    "error_kind": statuses[kind, source]["error_kind"]}
+                   for source in configured
+                   if (kind, source) in statuses and statuses[kind, source]["failures"] >= threshold]
+        summary[kind] = {"total": len(configured), "failing": failing}
+        any_failing = any_failing or bool(failing)
+    return summary, any_failing
+
+
 @app.get("/health")
 def health():
     """Состояние сборщика: демон пишет status.json (задания + heartbeat), API только читает."""
@@ -232,13 +254,15 @@ def health():
     except StorageError:
         recreated = None
 
-    healthy = alive and not pending and not any(j.get("last_error") for j in jobs.values())
+    sources, any_failing = source_health()
+    healthy = alive and not pending and not any_failing and not any(j.get("last_error") for j in jobs.values())
     return {
         "status": "ok" if healthy else "degraded",
         "collector_alive": alive,
         "collector_updated_at": updated_at,
         "jobs": jobs,
         "counts": counts,
+        "sources": sources,
         "last_restore": last_restore,
         # Только время и признак ожидания (пути карантина наружу не отдаём)
         "db_recreated": {"at": recreated.get("at"), "pending": pending} if recreated else None,
@@ -275,6 +299,19 @@ def _purge(kind, source):
         return db.purge_source(conn, kind, source)
 
 
+@app.get("/sources")
+def list_sources():
+    """Состояние всех настроенных источников: сколько адресов дал, когда опрашивался, сколько сбоев подряд."""
+    config = load_full_config()
+    with db.session() as conn:
+        statuses, counts = db.source_statuses(conn), db.address_counts(conn)
+    empty = {"last_attempt": None, "last_success": None, "failures": 0, "error_kind": None}
+    return {"failure_threshold": cc.failure_threshold(config), "sources": [
+        {"kind": kind, "source": str(source), "addresses": counts.get((kind, str(source)), 0),
+         **statuses.get((kind, str(source)), empty)}
+        for kind, key in (("asn", "asns"), ("fqdn", "fqdns")) for source in config.get(key, [])]}
+
+
 @app.get("/asns")
 def list_asns():
     return {"asns": load_full_config().get("asns", [])}