feat: finish the host-metrics plugin, move host status into core (B16)

src/backend/tests/database/repositories/host-credential-repositories.test.ts

@@ -483,7 +483,6 @@ describe("HostRepository and CredentialRepository", () => {
       port: 22,
       username: "root",
       authType: "password",
-      statsConfig: JSON.stringify({ cpu: true }),
     });
     const second = await repo.hosts.create({
       userId: "user-1",

src/backend/tests/database/repositories/host-health-repository.test.ts

@@ -1,155 +0,0 @@
-import { afterEach, describe, expect, it } from "vitest";
-import { TestSqliteDatabase } from "./test-support.js";
-import { HostHealthRepository } from "../../../database/repositories/host-health-repository.js";
-
-describe("HostHealthRepository", () => {
-  let adapter: TestSqliteDatabase | null = null;
-
-  afterEach(async () => {
-    if (adapter) {
-      await adapter.close();
-      adapter = null;
-    }
-  });
-
-  async function createRepository(
-    onWrite?: () => void | Promise<void>,
-  ): Promise<HostHealthRepository> {
-    adapter = new TestSqliteDatabase();
-    const context = await adapter.connect();
-    await adapter.exec(`
-      INSERT INTO users (id, username, password_hash)
-      VALUES ('user-1', 'alice', 'hash'), ('user-2', 'bob', 'hash');
-      INSERT INTO ssh_data (id, user_id, name, ip, port, username, auth_type)
-      VALUES (1, 'user-1', 'one', '10.0.0.1', 22, 'root', 'password'), (2, 'user-2', 'two', '10.0.0.1', 22, 'root', 'password');
-      INSERT INTO host_health_checks (
-        user_id, host_id, checks, interval_seconds, created_at, updated_at
-      )
-      VALUES (
-        'user-1',
-        1,
-        '[{"id":"tcp","name":"TCP","type":"tcp","target":"localhost","port":22}]',
-        300,
-        '2026-01-01T00:00:00.000Z',
-        '2026-01-01T00:00:00.000Z'
-      );
-    `);
-
-    return new HostHealthRepository(context, onWrite);
-  }
-
-  it("finds and upserts check configuration", async () => {
-    let writeCount = 0;
-    const repo = await createRepository(() => {
-      writeCount += 1;
-    });
-
-    const existing = await repo.findChecksByUserAndHost("user-1", 1);
-    expect(existing?.intervalSeconds).toBe(300);
-
-    const updated = await repo.upsertChecks(
-      "user-1",
-      1,
-      '[{"id":"http"}]',
-      60,
-      "2026-02-01T00:00:00.000Z",
-    );
-    expect(updated).toMatchObject({
-      id: existing?.id,
-      checks: '[{"id":"http"}]',
-      intervalSeconds: 60,
-      updatedAt: "2026-02-01T00:00:00.000Z",
-    });
-
-    const created = await repo.upsertChecks(
-      "user-2",
-      2,
-      '[{"id":"tcp"}]',
-      120,
-      "2026-03-01T00:00:00.000Z",
-    );
-    expect(created).toMatchObject({
-      userId: "user-2",
-      hostId: 2,
-      checks: '[{"id":"tcp"}]',
-      intervalSeconds: 120,
-      createdAt: "2026-03-01T00:00:00.000Z",
-      updatedAt: "2026-03-01T00:00:00.000Z",
-    });
-    expect(writeCount).toBe(2);
-  });
-
-  it("records and prunes history", async () => {
-    let writeCount = 0;
-    const repo = await createRepository(() => {
-      writeCount += 1;
-    });
-
-    expect(
-      await repo.recordHistory(
-        "user-1",
-        1,
-        [{ checkId: "one", ok: true, latencyMs: 12, detail: "open" }],
-        1,
-        "2026-01-01T00:00:00.000Z",
-      ),
-    ).toBe(1);
-    expect(
-      await repo.recordHistory(
-        "user-1",
-        1,
-        [{ checkId: "two", ok: false, latencyMs: null, detail: "closed" }],
-        1,
-        "2026-01-02T00:00:00.000Z",
-      ),
-    ).toBe(1);
-
-    const history = await repo.listHistory("user-1", 1, 10);
-    expect(history).toHaveLength(1);
-    expect(history[0]).toMatchObject({
-      userId: "user-1",
-      hostId: 1,
-      checkId: "two",
-      ok: false,
-      latencyMs: null,
-      detail: "closed",
-    });
-    expect(writeCount).toBe(2);
-  });
-
-  it("deletes all health checks and history for a user", async () => {
-    let writeCount = 0;
-    const repo = await createRepository(() => {
-      writeCount += 1;
-    });
-
-    await repo.upsertChecks("user-2", 2, '[{"id":"tcp"}]', 120);
-    await repo.recordHistory(
-      "user-1",
-      1,
-      [{ checkId: "one", ok: true, latencyMs: 12, detail: "open" }],
-      10,
-    );
-    await repo.recordHistory(
-      "user-2",
-      2,
-      [{ checkId: "two", ok: false, latencyMs: null, detail: "closed" }],
-      10,
-    );
-
-    await expect(repo.deleteByUserId("user-1")).resolves.toEqual({
-      checksDeleted: 1,
-      historyDeleted: 1,
-    });
-    await expect(repo.deleteByUserId("missing")).resolves.toEqual({
-      checksDeleted: 0,
-      historyDeleted: 0,
-    });
-
-    expect(await repo.findChecksByUserAndHost("user-1", 1)).toBeNull();
-    expect(await repo.listHistory("user-1", 1, 10)).toEqual([]);
-    expect((await repo.findChecksByUserAndHost("user-2", 2))?.hostId).toBe(2);
-    expect(await repo.listHistory("user-2", 2, 10)).toHaveLength(1);
-    expect(writeCount).toBe(4);
-  });
-});

src/backend/tests/database/repositories/host-repository.test.ts

@@ -148,7 +148,6 @@ describe("HostRepository Proxmox sync inserts", () => {
       tunnelConnections: "[]",
       jumpHosts: null,
       quickActions: null,
-      statsConfig: null,
       dockerConfig: null,
       terminalConfig: null,
       forceKeyboardInteractive: "false",