fix(alerts): объяснить отключённые и неоднозначные цели оповещений

backend/src/services/alert-engine/collector-source-sql.test.ts

@@ -3,6 +3,7 @@ import { pool, closePool } from "../../db/index.js"
 import { initDatabase } from "../../db/bootstrap.js"
 import { buildSignalSnapshotFromCollectors } from "./signals-from-collectors.js"
 import { evaluateRule } from "./evaluate-rule.js"
+import { getAlertsMeta } from "../alerts-service.js"
 import type { ApiAlertRule } from "../alerts-service.js"
 
 const database = process.env.MMAPP_OWN_SQL_DB
@@ -41,12 +42,14 @@ else {
     let signals = await build()
     assert.equal(signals.servers.length, 2); assert.equal(signals.servers[0].prevStatus, "online")
     assert.equal(signals.trafficByServer[0].rxMbps, 0); assert.equal(signals.probes.length, 2); cases++
+    assert.deepEqual((await getAlertsMeta()).targetIssues, [])
     const offlineRule = { id: "owned", name: "owned", type: "server", targets: [server().name], conditions: ["offline"], enabled: true } as ApiAlertRule
     assert.ok(evaluateRule(offlineRule, signals))
 
     await pool.query("UPDATE uptime_settings SET resources_enabled=false,ping_enabled=false WHERE id=1")
     await pool.query("UPDATE traffic_settings SET enabled=false WHERE id=1")
     signals = await build(); assert.deepEqual(signals.servers, []); assert.deepEqual(signals.probes, []); assert.deepEqual(signals.trafficByServer, []); cases++
+    assert((await getAlertsMeta()).targetIssues?.every(issue => issue.reason === "disabled-source"))
     await pool.query("UPDATE uptime_settings SET resources_enabled=true,ping_enabled=true WHERE id=1")
     await pool.query("UPDATE traffic_settings SET enabled=true WHERE id=1")
     await pool.query("UPDATE servers SET enabled=false WHERE id=$1", [ids[0]])
@@ -54,6 +57,7 @@ else {
     await pool.query("UPDATE servers SET enabled=true WHERE id=$1", [ids[0]])
     await pool.query("UPDATE servers SET name=$1 WHERE id=$2", [server().name, ids[1]])
     signals = await build(); assert.deepEqual(signals.servers, []); assert.deepEqual(signals.trafficByServer, []); cases++
+    assert.deepEqual((await getAlertsMeta()).targetIssues?.filter(issue => issue.reason === "ambiguous").map(issue => issue.kind), ["server", "traffic"])
     await pool.query("UPDATE servers SET name=$1 WHERE id=$2", [server(1).name, ids[1]])
 
     for (const broken of [null, "{", { ...snapshot("uptime_resources", []), servers: {} }, snapshot("uptime_resources", [])]) {