Merge pull request #1878 from pikasTech/feat/issue-1874-monitor-central-persistence

feat(monitor): 添加中心 Host PG 持久化与查询 API

scripts/monitor-central-service.ts

@@ -0,0 +1,28 @@
+// SPEC: PJ2026-01060508 Web哨兵 draft-2026-07-12-p17-monitor-central-persistence.
+// Responsibility: Environment-projected bootstrap for the independent central Monitor HTTP service.
+import { createMonitorCentralService, createPostgresMonitorCentralStore, structuredMonitorCentralError } from "./src/monitor-central-persistence";
+
+function requiredString(name: string): string {
+  const value = process.env[name];
+  if (!value) throw Object.assign(new Error(`${name} is required`), { code: "monitor_central_runtime_config_missing" });
+  return value;
+}
+
+function requiredPositiveInteger(name: string): number {
+  const value = Number(requiredString(name));
+  if (!Number.isSafeInteger(value) || value < 1) throw Object.assign(new Error(`${name} must be a positive integer`), { code: "monitor_central_runtime_config_invalid" });
+  return value;
+}
+
+try {
+  const databaseUrl = requiredString("DATABASE_URL");
+  const store = createPostgresMonitorCentralStore(databaseUrl, { poolMax: requiredPositiveInteger("MONITOR_CENTRAL_PG_POOL_MAX"), idleTimeoutSeconds: requiredPositiveInteger("MONITOR_CENTRAL_PG_IDLE_TIMEOUT_SECONDS") });
+  await store.migrate();
+  const service = createMonitorCentralService({ store, pageSize: requiredPositiveInteger("MONITOR_CENTRAL_PAGE_SIZE") });
+  const server = Bun.serve({ hostname: requiredString("MONITOR_CENTRAL_HOST"), port: requiredPositiveInteger("MONITOR_CENTRAL_PORT"), fetch: service.fetch });
+  console.log(JSON.stringify({ ok: true, service: "monitor-central", port: server.port, valuesRedacted: true }));
+} catch (error) {
+  const structured = { ok: false, error: structuredMonitorCentralError(error), valuesRedacted: true };
+  console.log(JSON.stringify(structured));
+  process.exitCode = 2;
+}

scripts/src/monitor-central-persistence.test.ts

@@ -0,0 +1,106 @@
+import assert from "node:assert/strict";
+import { spawnSync } from "node:child_process";
+import { test } from "bun:test";
+
+import { createInMemoryMonitorCentralStore, createMonitorCentralService, mapPostgresFindingRow, MONITOR_CENTRAL_MIGRATIONS, MonitorCentralConfigurationError, structuredMonitorCentralError } from "./monitor-central-persistence";
+
+function service() { return createMonitorCentralService({ store: createInMemoryMonitorCentralStore(), pageSize: 50 }); }
+function locator(runId: string) { return { ownerNode: "NC01", ownerLane: "v03", ownerPvc: "sentinel-pvc", stateDir: `/state/${runId}`, relativePath: "analysis/report.json", sha256: "sha256:abc", sizeBytes: 12, kind: "report", reachable: true }; }
+function input(runId: string, updatedAt = "2026-07-12T10:00:00.000Z", scope: Record<string, string> = {}) { return { sentinelId: scope.sentinelId ?? "sentinel-a", node: scope.node ?? "NC01", lane: scope.lane ?? "v03", runId, updatedAt, status: "succeeded", payload: { runId, views: { summary: { state: "ready" } } }, findings: [{ id: `${runId}-0` }, { id: `${runId}-1` }], artifactLocators: [locator(runId)], timeline: [{ phase: "done" }] }; }
+async function ingest(target: ReturnType<typeof service>, runId: string, updatedAt?: string, scope?: Record<string, string>) { return target.ingest(input(runId, updatedAt, scope)); }
+
+test("schema covers runner FK, locator reachability, and atomic insert contract", () => {
+  const schema = MONITOR_CENTRAL_MIGRATIONS.join("\n");
+  for (const name of ["schema_migrations", "runners", "runs", "findings", "run_payloads", "artifact_locators", "timeline_events", "import_manifests"]) assert.match(schema, new RegExp(`monitor\\.${name}`));
+  assert.match(schema, /foreign key \(sentinel_id, node, lane\) references monitor\.runners/u);
+  assert.match(schema, /owner_pvc.*state_dir.*relative_path.*reachable/u);
+  assert.doesNotMatch(schema, /blob|bytea/iu);
+});
+
+test("HTTP terminal ingest is unbound-safe, ignores caller hash, and maps conflict to 409", async () => {
+  const target = service();
+  const fetch = target.fetch;
+  const first = await fetch(new Request("http://local/api/ingest", { method: "POST", body: JSON.stringify(input("run-1")) }));
+  const repeated = await fetch(new Request("http://local/api/ingest", { method: "POST", body: JSON.stringify({ ...input("run-1"), payloadHash: "sha256:forged" }) }));
+  const conflict = await fetch(new Request("http://local/api/ingest", { method: "POST", body: JSON.stringify({ ...input("run-1"), status: "blocked", payloadHash: "sha256:forged" }) }));
+  assert.equal(first.status, 201);
+  assert.equal((await first.json() as any).disposition, "inserted");
+  assert.equal(repeated.status, 200);
+  assert.equal((await repeated.json() as any).disposition, "idempotent");
+  assert.equal(conflict.status, 409);
+  assert.equal((await conflict.json() as any).error.code, "payload_hash_conflict");
+  assert.equal((await fetch(new Request("http://local/health"))).status, 200);
+});
+
+test("full terminal envelope controls hash and concurrent same identity converges", async () => {
+  const target = service();
+  const base = { ...input("run-envelope"), payloadHash: "sha256:caller-controlled" };
+  const results = await Promise.all([target.ingest(base), target.ingest(base)]);
+  assert.deepEqual(new Set(results.map((item) => item.disposition)), new Set(["inserted", "idempotent"]));
+  await assert.rejects(() => target.ingest({ ...base, findings: [{ id: "changed" }] }), { code: "payload_hash_conflict" });
+  const availability = await target.ingest({ ...base, artifactLocators: [{ ...locator("run-envelope"), reachable: false }] });
+  assert.equal(availability.disposition, "idempotent");
+  const detail = await (await target.fetch(new Request("http://local/api/runs/run-envelope?sentinelId=sentinel-a&node=NC01&lane=v03"))).json() as any;
+  assert.equal(detail.run.artifactLocators[0].reachable, false);
+});
+
+test("global and scoped latest use updatedAt then runId descending", async () => {
+  const target = service();
+  await ingest(target, "run-a", "2026-07-12T10:00:00.000Z");
+  await ingest(target, "run-b", "2026-07-12T10:00:00.000Z");
+  await ingest(target, "run-c", "2026-07-12T09:00:00.000Z", { sentinelId: "sentinel-b" });
+  const overview = await (await target.fetch(new Request("http://local/api/overview"))).json() as any;
+  const scoped = await (await target.fetch(new Request("http://local/api/overview?sentinelId=sentinel-b"))).json() as any;
+  assert.equal(overview.overview.latest.runId, "run-b");
+  assert.equal(scoped.overview.latest.runId, "run-c");
+});
+
+test("detail and view require full composite identity", async () => {
+  const target = service();
+  await ingest(target, "shared", undefined, { sentinelId: "sentinel-a" });
+  await ingest(target, "shared", undefined, { sentinelId: "sentinel-b" });
+  const missing = await target.fetch(new Request("http://local/api/runs/shared"));
+  const detail = await (await target.fetch(new Request("http://local/api/runs/shared?sentinelId=sentinel-b&node=NC01&lane=v03"))).json() as any;
+  const view = await (await target.fetch(new Request("http://local/api/runs/shared/views/summary?sentinelId=sentinel-b&node=NC01&lane=v03"))).json() as any;
+  assert.equal(missing.status, 400);
+  assert.equal((await missing.json() as any).error.code, "scope_required");
+  assert.equal(detail.run.sentinelId, "sentinel-b");
+  assert.equal(view.view.value.state, "ready");
+});
+
+test("findings cursor contains finding index and does not skip a same-run page", async () => {
+  const target = service();
+  await ingest(target, "run-findings");
+  const first = await (await target.fetch(new Request("http://local/api/findings?limit=1"))).json() as any;
+  const second = await (await target.fetch(new Request(`http://local/api/findings?limit=1&cursor=${first.nextCursor}`))).json() as any;
+  assert.equal(first.items[0].findingIndex, 1);
+  assert.equal(second.items[0].findingIndex, 0);
+});
+
+test("PG finding mapping preserves selected status and payload hash", () => {
+  const row = mapPostgresFindingRow({ sentinel_id: "sentinel-a", node: "NC01", lane: "v03", run_id: "run-pg", updated_at: "2026-07-12T10:00:00.000Z", status: "blocked", payload_hash: "sha256:terminal", finding_index: 2, finding: { id: "pg" } });
+  assert.deepEqual(row, { sentinelId: "sentinel-a", node: "NC01", lane: "v03", runId: "run-pg", updatedAt: "2026-07-12T10:00:00.000Z", status: "blocked", payloadHash: "sha256:terminal", findingIndex: 2, finding: { id: "pg" } });
+});
+
+test("run detail returns normalized locator metadata without artifact bytes", async () => {
+  const target = service();
+  await ingest(target, "run-detail");
+  const response = await (await target.fetch(new Request("http://local/api/runs/run-detail?sentinelId=sentinel-a&node=NC01&lane=v03"))).json() as any;
+  assert.deepEqual(response.run.artifactLocators[0], locator("run-detail"));
+  assert.equal(response.valuesRedacted, true);
+});
+
+test("configuration is explicit and missing environment projection fails structurally", async () => {
+  const target = service();
+  assert.equal((await target.health()).ok, true);
+  assert.throws(() => createMonitorCentralService({ databaseUrl: "", pageSize: 50 }), MonitorCentralConfigurationError);
+  assert.throws(() => createMonitorCentralService({ store: createInMemoryMonitorCentralStore() }), { code: "monitor_central_page_size_missing" });
+  const result = spawnSync("bun", ["scripts/monitor-central-service.ts"], { cwd: process.cwd(), encoding: "utf8", env: { PATH: process.env.PATH ?? "" } });
+  assert.equal(result.status, 2);
+  assert.equal(JSON.parse(result.stdout).error.code, "monitor_central_runtime_config_missing");
+});
+
+test("structured error projection redacts database credentials", () => {
+  const error = new Error("connect postgres://user:secret@example.test/monitor failed");
+  assert.deepEqual(structuredMonitorCentralError(error), { code: "invalid_request", message: "connect postgres://<redacted> failed" });
+});

scripts/src/monitor-central-persistence.ts

@@ -0,0 +1,389 @@
+// SPEC: PJ2026-01060508 Web哨兵 draft-2026-07-12-p17-monitor-central-persistence.
+// Responsibility: Host PostgreSQL-backed Monitor terminal ingest, bounded read models, and health contracts.
+import { createHash } from "node:crypto";
+import postgres from "postgres";
+
+export const MONITOR_CENTRAL_SPEC_REF = "PJ2026-01060508 Web哨兵 draft-2026-07-12-p17-monitor-central-persistence";
+export const MONITOR_CENTRAL_SCHEMA_VERSION = "2026-07-12-p17-2";
+
+export interface MonitorScope {
+  readonly sentinelId?: string;
+  readonly node?: string;
+  readonly lane?: string;
+}
+
+export interface MonitorArtifactLocator {
+  readonly ownerNode: string;
+  readonly ownerLane: string;
+  readonly ownerPvc: string;
+  readonly stateDir: string;
+  readonly relativePath: string;
+  readonly sha256: string;
+  readonly sizeBytes: number;
+  readonly kind: string;
+  readonly reachable: boolean;
+}
+
+export interface MonitorCentralIngest {
+  readonly sentinelId: string;
+  readonly node: string;
+  readonly lane: string;
+  readonly runId: string;
+  readonly updatedAt?: string;
+  readonly status?: string;
+  readonly payload: Record<string, unknown>;
+  readonly payloadHash?: string;
+  readonly findings?: readonly Record<string, unknown>[];
+  readonly artifactLocators?: readonly MonitorArtifactLocator[];
+  readonly timeline?: readonly Record<string, unknown>[];
+}
+
+export interface MonitorRun extends Required<MonitorScope> {
+  readonly runId: string;
+  readonly updatedAt: string;
+  readonly status: string;
+  readonly payloadHash: string;
+}
+
+export interface MonitorCentralStore {
+  migrate(): Promise<void>;
+  ping(): Promise<void>;
+  schemaVersion(): Promise<string | null>;
+  capability(): Promise<{ readonly ingest: boolean; readonly query: boolean }>;
+  ingest(input: NormalizedIngest): Promise<{ readonly disposition: "inserted" | "idempotent" }>;
+  updateArtifactAvailability(scope: Required<MonitorScope>, runId: string, locatorIndex: number, reachable: boolean): Promise<void>;
+  overview(scope: MonitorScope): Promise<Record<string, unknown>>;
+  runs(scope: MonitorScope, options: RunQueryOptions): Promise<readonly MonitorRun[]>;
+  run(scope: Required<MonitorScope>, runId: string): Promise<Record<string, unknown> | null>;
+  view(scope: Required<MonitorScope>, runId: string, view: string): Promise<Record<string, unknown> | null>;
+  findings(scope: MonitorScope, options: FindingQueryOptions): Promise<readonly Record<string, unknown>[]>;
+}
+
+interface NormalizedIngest extends Required<Omit<MonitorCentralIngest, "payloadHash">> {
+  readonly payloadHash: string;
+}
+
+interface RunCursor {
+  readonly updatedAt: string;
+  readonly runId: string;
+}
+
+interface FindingCursor extends RunCursor {
+  readonly findingIndex: number;
+}
+
+export interface RunQueryOptions {
+  readonly limit: number;
+  readonly cursor: RunCursor | null;
+}
+
+export interface FindingQueryOptions {
+  readonly limit: number;
+  readonly cursor: FindingCursor | null;
+}
+
+export interface MonitorCentralService {
+  ingest(input: MonitorCentralIngest): Promise<Record<string, unknown>>;
+  health(): Promise<Record<string, unknown>>;
+  fetch(request: Request): Promise<Response>;
+}
+
+export interface MonitorCentralServiceOptions {
+  readonly databaseUrl?: string | null;
+  readonly store?: MonitorCentralStore;
+  readonly pageSize?: number;
+  readonly postgres?: PostgresMonitorCentralStoreOptions;
+}
+
+export interface PostgresMonitorCentralStoreOptions {
+  readonly poolMax: number;
+  readonly idleTimeoutSeconds: number;
+}
+
+export class MonitorCentralConfigurationError extends Error {
+  readonly code = "monitor_central_database_url_missing";
+
+  constructor() {
+    super("Monitor central service requires an explicit DATABASE_URL");
+    this.name = "MonitorCentralConfigurationError";
+  }
+
+  toJSON(): Record<string, unknown> {
+    return { ok: false, error: { code: this.code, message: this.message }, valuesRedacted: true };
+  }
+}
+
+export function createMonitorCentralService(options: MonitorCentralServiceOptions = {}): MonitorCentralService {
+  const pageSize = requirePositiveInteger(options.pageSize, "monitor_central_page_size_missing");
+  const store = options.store ?? createPostgresMonitorCentralStore(requireDatabaseUrl(options.databaseUrl), requirePostgresOptions(options.postgres));
+  const ingest = async (input: MonitorCentralIngest) => {
+    const normalized = normalizeIngest(input);
+    const result = await store.ingest(normalized);
+    return { ok: true, ...result, identity: identityOf(normalized), payloadHash: normalized.payloadHash, valuesRedacted: true };
+  };
+  const health = async () => {
+    const checks: Record<string, unknown>[] = [{ name: "configuration", ok: true, valuesRedacted: true }];
+    try {
+      await store.ping();
+      checks.push({ name: "postgres", ok: true, valuesRedacted: true });
+      const schemaVersion = await store.schemaVersion();
+      checks.push({ name: "schema", ok: schemaVersion === MONITOR_CENTRAL_SCHEMA_VERSION, version: schemaVersion, valuesRedacted: true });
+      const capability = await store.capability();
+      checks.push({ name: "ingest", ok: capability.ingest, valuesRedacted: true });
+      checks.push({ name: "query", ok: capability.query, valuesRedacted: true });
+    } catch (error) {
+      checks.push({ name: "postgres", ok: false, code: "postgres_unavailable", message: errorMessage(error), valuesRedacted: true });
+    }
+    return { ok: checks.every((item) => item.ok === true), checks, valuesRedacted: true };
+  };
+  const fetch = async (request: Request): Promise<Response> => {
+    const url = new URL(request.url);
+    try {
+      if (request.method === "POST" && url.pathname === "/api/ingest") {
+        const result = await ingest(await requestRecord(request));
+        return json(result, result.disposition === "inserted" ? 201 : 200);
+      }
+      if (request.method === "GET" && url.pathname === "/health") return json(await health());
+      if (request.method === "GET" && url.pathname === "/api/overview") return json({ ok: true, overview: await store.overview(scopeFrom(url)), valuesRedacted: true });
+      if (request.method === "GET" && url.pathname === "/api/runs") return json(runPage(await store.runs(scopeFrom(url), runQueryOptions(url, pageSize))));
+      if (request.method === "GET" && url.pathname === "/api/findings") return json(findingPage(await store.findings(scopeFrom(url), findingQueryOptions(url, pageSize))));
+      if (request.method === "GET" && url.pathname.startsWith("/api/runs/")) {
+        const suffix = decodeURIComponent(url.pathname.slice("/api/runs/".length));
+        const scope = requireFullScope(scopeFrom(url));
+        const viewMatch = suffix.match(/^([^/]+)\/views\/([^/]+)$/u);
+        if (viewMatch) {
+          const view = await store.view(scope, viewMatch[1], viewMatch[2]);
+          return view ? json({ ok: true, view, valuesRedacted: true }) : json({ ok: false, error: { code: "view_not_found" }, valuesRedacted: true }, 404);
+        }
+        const run = await store.run(scope, suffix);
+        return run ? json({ ok: true, run, valuesRedacted: true }) : json({ ok: false, error: { code: "run_not_found" }, valuesRedacted: true }, 404);
+      }
+      return json({ ok: false, error: { code: "not_found" }, valuesRedacted: true }, 404);
+    } catch (error) {
+      return json({ ok: false, error: structuredError(error), valuesRedacted: true }, httpStatus(error));
+    }
+  };
+  return { ingest, health, fetch };
+}
+
+export function createPostgresMonitorCentralStore(databaseUrl: string, options: PostgresMonitorCentralStoreOptions): MonitorCentralStore {
+  const sql = postgres(databaseUrl, { max: requirePositiveInteger(options.poolMax, "monitor_central_pg_pool_max_missing"), idle_timeout: requirePositiveInteger(options.idleTimeoutSeconds, "monitor_central_pg_idle_timeout_missing") });
+  return {
+    async migrate() {
+      for (const statement of MONITOR_CENTRAL_MIGRATIONS) await sql.unsafe(statement);
+      await sql`insert into monitor.schema_migrations (version, applied_at) values (${MONITOR_CENTRAL_SCHEMA_VERSION}, now()) on conflict (version) do nothing`;
+    },
+    async ping() { await sql`select 1`; },
+    async schemaVersion() {
+      const rows = await sql<{ version: string }[]>`select version from monitor.schema_migrations order by applied_at desc limit 1`;
+      return rows[0]?.version ?? null;
+    },
+    async capability() {
+      const rows = await sql<{ can_ingest: boolean; can_query: boolean }[]>`
+        select
+          has_table_privilege(current_user, 'monitor.runs', 'insert') as can_ingest,
+          has_table_privilege(current_user, 'monitor.runs', 'select') as can_query`;
+      return { ingest: rows[0]?.can_ingest === true, query: rows[0]?.can_query === true };
+    },
+    async ingest(input) {
+      return sql.begin(async (transaction) => {
+        await transaction`
+          insert into monitor.runners (sentinel_id, node, lane, updated_at)
+          values (${input.sentinelId}, ${input.node}, ${input.lane}, ${input.updatedAt})
+          on conflict (sentinel_id, node, lane) do update set updated_at = greatest(monitor.runners.updated_at, excluded.updated_at)`;
+        const inserted = await transaction<{ payload_hash: string }[]>`
+          insert into monitor.runs (sentinel_id, node, lane, run_id, updated_at, status, payload_hash)
+          values (${input.sentinelId}, ${input.node}, ${input.lane}, ${input.runId}, ${input.updatedAt}, ${input.status}, ${input.payloadHash})
+          on conflict (sentinel_id, node, lane, run_id) do nothing
+          returning payload_hash`;
+        if (!inserted[0]) {
+          const existing = await transaction<{ payload_hash: string }[]>`
+            select payload_hash from monitor.runs
+            where sentinel_id = ${input.sentinelId} and node = ${input.node} and lane = ${input.lane} and run_id = ${input.runId}`;
+          if (existing[0]?.payload_hash === input.payloadHash) {
+            await updatePostgresArtifactAvailability(transaction, input);
+            return { disposition: "idempotent" as const };
+          }
+          throw conflict(input);
+        }
+        await transaction`
+          insert into monitor.run_payloads (sentinel_id, node, lane, run_id, payload_hash, payload)
+          values (${input.sentinelId}, ${input.node}, ${input.lane}, ${input.runId}, ${input.payloadHash}, ${JSON.stringify(input.payload)}::jsonb)`;
+        for (const [index, finding] of input.findings.entries()) await transaction`
+          insert into monitor.findings (sentinel_id, node, lane, run_id, finding_index, finding)
+          values (${input.sentinelId}, ${input.node}, ${input.lane}, ${input.runId}, ${index}, ${JSON.stringify(finding)}::jsonb)`;
+        for (const [index, locator] of input.artifactLocators.entries()) await transaction`
+          insert into monitor.artifact_locators (sentinel_id, node, lane, run_id, locator_index, owner_node, owner_lane, owner_pvc, state_dir, relative_path, sha256, size_bytes, kind, reachable)
+          values (${input.sentinelId}, ${input.node}, ${input.lane}, ${input.runId}, ${index}, ${locator.ownerNode}, ${locator.ownerLane}, ${locator.ownerPvc}, ${locator.stateDir}, ${locator.relativePath}, ${locator.sha256}, ${locator.sizeBytes}, ${locator.kind}, ${locator.reachable})`;
+        for (const [index, event] of input.timeline.entries()) await transaction`
+          insert into monitor.timeline_events (sentinel_id, node, lane, run_id, event_index, event)
+          values (${input.sentinelId}, ${input.node}, ${input.lane}, ${input.runId}, ${index}, ${JSON.stringify(event)}::jsonb)`;
+        return { disposition: "inserted" as const };
+      });
+    },
+    async updateArtifactAvailability(scope, runId, locatorIndex, reachable) {
+      await sql`
+        update monitor.artifact_locators
+        set reachable = ${reachable}
+        where sentinel_id = ${scope.sentinelId} and node = ${scope.node} and lane = ${scope.lane} and run_id = ${runId} and locator_index = ${locatorIndex}`;
+    },
+    async overview(scope) {
+      const rows = await queryRuns(sql, scope, { limit: 1, cursor: null });
+      return { scope: publicScope(scope), runCount: await countRuns(sql, scope), latest: rows[0] ?? null };
+    },
+    async runs(scope, options) { return queryRuns(sql, scope, options); },
+    async run(scope, runId) {
+      const where = identityWhere(scope, runId);
+      const rows = await sql.unsafe(`select r.sentinel_id, r.node, r.lane, r.run_id, r.updated_at, r.status, r.payload_hash, p.payload from monitor.runs r join monitor.run_payloads p using (sentinel_id, node, lane, run_id) where ${where.text} limit 1`, where.values);
+      const row = rows[0] as Record<string, unknown> | undefined;
+      if (!row) return null;
+      const identity = rowIdentity(row);
+      const [findings, locators, timeline] = await Promise.all([
+        sql.unsafe(`select finding from monitor.findings where ${identity.text} order by finding_index`, identity.values),
+        sql.unsafe(`select owner_node, owner_lane, owner_pvc, state_dir, relative_path, sha256, size_bytes, kind, reachable from monitor.artifact_locators where ${identity.text} order by locator_index`, identity.values),
+        sql.unsafe(`select event from monitor.timeline_events where ${identity.text} order by event_index`, identity.values),
+      ]);
+      return { ...runRow(row), payload: row.payload, findings: findings.map((item) => item.finding), artifactLocators: locators.map(locatorRow), timeline: timeline.map((item) => item.event) };
+    },
+    async view(scope, runId, view) {
+      const detail = await this.run(scope, runId);
+      const views = detail?.payload && typeof detail.payload === "object" ? (detail.payload as Record<string, unknown>).views : null;
+      const value = views && typeof views === "object" ? (views as Record<string, unknown>)[view] : undefined;
+      return value === undefined ? null : { runId, name: view, value };
+    },
+    async findings(scope, options) {
+      const where = scopeWhere(scope);
+      const values: unknown[] = [...where.values];
+      let cursor = "";
+      if (options.cursor) {
+        values.push(options.cursor.updatedAt, options.cursor.runId, options.cursor.findingIndex);
+        cursor = `and (r.updated_at, r.run_id, f.finding_index) < ($${values.length - 2}, $${values.length - 1}, $${values.length})`;
+      }
+      values.push(options.limit);
+      const rows = await sql.unsafe(`select f.finding, f.finding_index, r.sentinel_id, r.node, r.lane, r.run_id, r.updated_at, r.status, r.payload_hash from monitor.findings f join monitor.runs r using (sentinel_id, node, lane, run_id) where ${where.text} ${cursor} order by r.updated_at desc, r.run_id desc, f.finding_index desc limit $${values.length}`, values);
+      return rows.map(mapPostgresFindingRow);
+    },
+  };
+}
+
+export const MONITOR_CENTRAL_MIGRATIONS = [
+  "create schema if not exists monitor",
+  "create table if not exists monitor.schema_migrations (version text primary key, applied_at timestamptz not null)",
+  "create table if not exists monitor.runners (sentinel_id text not null, node text not null, lane text not null, updated_at timestamptz not null, primary key (sentinel_id, node, lane))",
+  "create table if not exists monitor.runs (sentinel_id text not null, node text not null, lane text not null, run_id text not null, updated_at timestamptz not null, status text not null, payload_hash text not null, primary key (sentinel_id, node, lane, run_id), foreign key (sentinel_id, node, lane) references monitor.runners (sentinel_id, node, lane))",
+  "create index if not exists monitor_runs_latest_idx on monitor.runs (updated_at desc, run_id desc)",
+  "create table if not exists monitor.run_payloads (sentinel_id text not null, node text not null, lane text not null, run_id text not null, payload_hash text not null, payload jsonb not null, primary key (sentinel_id, node, lane, run_id), foreign key (sentinel_id, node, lane, run_id) references monitor.runs on delete cascade)",
+  "create table if not exists monitor.findings (sentinel_id text not null, node text not null, lane text not null, run_id text not null, finding_index integer not null, finding jsonb not null, primary key (sentinel_id, node, lane, run_id, finding_index), foreign key (sentinel_id, node, lane, run_id) references monitor.runs on delete cascade)",
+  "create table if not exists monitor.artifact_locators (sentinel_id text not null, node text not null, lane text not null, run_id text not null, locator_index integer not null, owner_node text not null, owner_lane text not null, owner_pvc text not null, state_dir text not null, relative_path text not null, sha256 text not null, size_bytes bigint not null, kind text not null, reachable boolean not null, primary key (sentinel_id, node, lane, run_id, locator_index), foreign key (sentinel_id, node, lane, run_id) references monitor.runs on delete cascade)",
+  "create table if not exists monitor.timeline_events (sentinel_id text not null, node text not null, lane text not null, run_id text not null, event_index integer not null, event jsonb not null, primary key (sentinel_id, node, lane, run_id, event_index), foreign key (sentinel_id, node, lane, run_id) references monitor.runs on delete cascade)",
+  "create table if not exists monitor.import_manifests (manifest_id text primary key, source_fingerprint text not null, row_count bigint not null, imported_at timestamptz not null)",
+];
+
+export function createInMemoryMonitorCentralStore(): MonitorCentralStore {
+  const records = new Map<string, NormalizedIngest>();
+  return {
+    async migrate() {},
+    async ping() {},
+    async schemaVersion() { return MONITOR_CENTRAL_SCHEMA_VERSION; },
+    async capability() { return { ingest: true, query: true }; },
+    async ingest(input) {
+      const key = identityKey(input);
+      const existing = records.get(key);
+      if (existing) {
+        if (existing.payloadHash !== input.payloadHash) throw conflict(input);
+        records.set(key, { ...existing, artifactLocators: input.artifactLocators });
+        return { disposition: "idempotent" };
+      }
+      records.set(key, structuredClone(input));
+      return { disposition: "inserted" };
+    },
+    async updateArtifactAvailability(scope, runId, locatorIndex, reachable) {
+      const key = identityKey({ ...scope, runId });
+      const existing = records.get(key);
+      if (!existing?.artifactLocators[locatorIndex]) return;
+      const artifactLocators = existing.artifactLocators.map((locator, index) => index === locatorIndex ? { ...locator, reachable } : locator);
+      records.set(key, { ...existing, artifactLocators });
+    },
+    async overview(scope) {
+      const runs = await this.runs(scope, { limit: 1, cursor: null });
+      return { scope: publicScope(scope), runCount: [...records.values()].filter((item) => matches(scope, item)).length, latest: runs[0] ?? null };
+    },
+    async runs(scope, options) { return sortRuns([...records.values()].filter((item) => matches(scope, item)).map(runFrom)).filter((run) => afterRunCursor(run, options.cursor)).slice(0, options.limit); },
+    async run(scope, runId) {
+      const value = records.get(identityKey({ ...scope, runId }));
+      return value ? { ...runFrom(value), payload: value.payload, findings: value.findings, artifactLocators: value.artifactLocators, timeline: value.timeline } : null;
+    },
+    async view(scope, runId, view) {
+      const detail = await this.run(scope, runId);
+      const views = detail?.payload && typeof detail.payload === "object" ? (detail.payload as Record<string, unknown>).views : null;
+      const value = views && typeof views === "object" ? (views as Record<string, unknown>)[view] : undefined;
+      return value === undefined ? null : { runId, name: view, value };
+    },
+    async findings(scope, options) {
+      return sortRuns([...records.values()].filter((item) => matches(scope, item)).map(runFrom)).flatMap((run) => {
+        const source = records.get(identityKey(run))!;
+        return source.findings.map((finding, findingIndex) => ({ ...run, findingIndex, finding }));
+      }).sort(compareFindings).filter((finding) => afterFindingCursor(finding, options.cursor)).slice(0, options.limit);
+    },
+  };
+}
+
+function requireDatabaseUrl(databaseUrl: string | null | undefined): string { const value = databaseUrl ?? process.env.DATABASE_URL; if (!value) throw new MonitorCentralConfigurationError(); return value; }
+function requirePostgresOptions(value: PostgresMonitorCentralStoreOptions | undefined): PostgresMonitorCentralStoreOptions { if (!value) throw Object.assign(new Error("Monitor central PostgreSQL pool configuration must be injected"), { code: "monitor_central_pg_options_missing" }); return value; }
+function requirePositiveInteger(value: number | undefined, code: string): number { if (!Number.isSafeInteger(value) || value < 1) throw Object.assign(new Error(`${code} must be a positive integer`), { code }); return value; }
+function normalizeIngest(input: MonitorCentralIngest): NormalizedIngest {
+  for (const key of ["sentinelId", "node", "lane", "runId"] as const) if (!input[key]) throw invalid(`missing required ingest field: ${key}`);
+  const normalized = { ...input, updatedAt: input.updatedAt ?? new Date().toISOString(), status: input.status ?? "unknown", findings: input.findings ?? [], artifactLocators: (input.artifactLocators ?? []).map(normalizeLocator), timeline: input.timeline ?? [] };
+  return { ...normalized, payloadHash: `sha256:${createHash("sha256").update(stableJson({ status: normalized.status, payload: normalized.payload, findings: normalized.findings, artifactLocators: normalized.artifactLocators.map(immutableLocator), timeline: normalized.timeline })).digest("hex")}` };
+}
+function immutableLocator(locator: MonitorArtifactLocator): Omit<MonitorArtifactLocator, "reachable"> { const { reachable: _reachable, ...immutable } = locator; return immutable; }
+function normalizeLocator(value: MonitorArtifactLocator): MonitorArtifactLocator {
+  for (const key of ["ownerNode", "ownerLane", "ownerPvc", "stateDir", "relativePath", "sha256", "kind"] as const) if (!value[key]) throw invalid(`artifact locator must include ${key}`);
+  if (!Number.isSafeInteger(value.sizeBytes) || value.sizeBytes < 0) throw invalid("artifact locator sizeBytes must be a non-negative integer");
+  if (typeof value.reachable !== "boolean") throw invalid("artifact locator reachable must be boolean");
+  return { ...value };
+}
+async function requestRecord(request: Request): Promise<Record<string, unknown>> { const value = await request.json(); if (!value || typeof value !== "object" || Array.isArray(value)) throw invalid("ingest request body must be an object"); return value as Record<string, unknown>; }
+function scopeFrom(url: URL): MonitorScope { return { sentinelId: optional(url, "sentinelId"), node: optional(url, "node"), lane: optional(url, "lane") }; }
+function requireFullScope(scope: MonitorScope): Required<MonitorScope> { if (!scope.sentinelId || !scope.node || !scope.lane) throw Object.assign(invalid("run detail requires sentinelId, node, and lane"), { code: "scope_required" }); return scope as Required<MonitorScope>; }
+function optional(url: URL, name: string): string | undefined { return url.searchParams.get(name) || undefined; }
+function boundedLimit(value: string | null, pageSize: number): number { const parsed = Number(value ?? pageSize); return Number.isInteger(parsed) && parsed > 0 ? Math.min(parsed, pageSize) : pageSize; }
+function runQueryOptions(url: URL, pageSize: number): RunQueryOptions { return { limit: boundedLimit(url.searchParams.get("limit"), pageSize), cursor: parseRunCursor(url.searchParams.get("cursor")) }; }
+function findingQueryOptions(url: URL, pageSize: number): FindingQueryOptions { return { limit: boundedLimit(url.searchParams.get("limit"), pageSize), cursor: parseFindingCursor(url.searchParams.get("cursor")) }; }
+function parseRunCursor(value: string | null): RunCursor | null { return parseCursor(value, false) as RunCursor | null; }
+function parseFindingCursor(value: string | null): FindingCursor | null { return parseCursor(value, true) as FindingCursor | null; }
+function parseCursor(value: string | null, finding: boolean): RunCursor | FindingCursor | null { if (!value) return null; try { const decoded = JSON.parse(Buffer.from(value, "base64url").toString("utf8")); if (typeof decoded.updatedAt !== "string" || typeof decoded.runId !== "string" || (finding && !Number.isInteger(decoded.findingIndex))) throw new Error("invalid cursor"); return decoded; } catch { throw invalid("invalid cursor"); } }
+function runPage(items: readonly MonitorRun[]): Record<string, unknown> { const last = items.at(-1); return { ok: true, items, nextCursor: last ? cursor(last) : null, valuesRedacted: true }; }
+function findingPage(items: readonly Record<string, unknown>[]): Record<string, unknown> { const last = items.at(-1); return { ok: true, items, nextCursor: last ? cursor({ updatedAt: last.updatedAt, runId: last.runId, findingIndex: last.findingIndex }) : null, valuesRedacted: true }; }
+function cursor(value: unknown): string { return Buffer.from(JSON.stringify(value)).toString("base64url"); }
+function json(body: Record<string, unknown>, status = 200): Response { return Response.json(body, { status }); }
+function httpStatus(error: unknown): number { return (error as { code?: string })?.code === "payload_hash_conflict" ? 409 : error instanceof MonitorCentralConfigurationError ? 503 : 400; }
+export function structuredMonitorCentralError(error: unknown): Record<string, unknown> { return error instanceof MonitorCentralConfigurationError ? error.toJSON().error as Record<string, unknown> : { code: (error as { code?: string })?.code ?? "invalid_request", message: errorMessage(error) }; }
+function structuredError(error: unknown): Record<string, unknown> { return structuredMonitorCentralError(error); }
+function invalid(message: string): Error & { code: string } { return Object.assign(new Error(message), { code: "invalid_request" }); }
+function errorMessage(error: unknown): string { return error instanceof Error ? error.message.replace(/postgres(?:ql)?:\/\/[^\s]+/giu, "postgres://<redacted>") : "unknown error"; }
+function identityOf(value: MonitorScope & { readonly runId: string }): Record<string, unknown> { return { sentinelId: value.sentinelId, node: value.node, lane: value.lane, runId: value.runId }; }
+function identityKey(value: MonitorScope & { readonly runId: string }): string { return [value.sentinelId, value.node, value.lane, value.runId].join("\u0000"); }
+function conflict(value: MonitorCentralIngest): Error & { code: string } { return Object.assign(new Error("ingest identity already has a different terminal envelope"), { code: "payload_hash_conflict", identity: identityOf(value) }); }
+function publicScope(scope: MonitorScope): Record<string, unknown> { return { sentinelId: scope.sentinelId ?? null, node: scope.node ?? null, lane: scope.lane ?? null }; }
+function matches(scope: MonitorScope, value: MonitorScope): boolean { return (!scope.sentinelId || scope.sentinelId === value.sentinelId) && (!scope.node || scope.node === value.node) && (!scope.lane || scope.lane === value.lane); }
+function runFrom(value: NormalizedIngest): MonitorRun { return { sentinelId: value.sentinelId, node: value.node, lane: value.lane, runId: value.runId, updatedAt: value.updatedAt, status: value.status, payloadHash: value.payloadHash }; }
+function sortRuns(runs: readonly MonitorRun[]): MonitorRun[] { return [...runs].sort((left, right) => right.updatedAt.localeCompare(left.updatedAt) || right.runId.localeCompare(left.runId)); }
+function afterRunCursor(run: MonitorRun, cursorValue: RunCursor | null): boolean { return !cursorValue || run.updatedAt < cursorValue.updatedAt || (run.updatedAt === cursorValue.updatedAt && run.runId < cursorValue.runId); }
+function compareFindings(left: Record<string, unknown>, right: Record<string, unknown>): number { return String(right.updatedAt).localeCompare(String(left.updatedAt)) || String(right.runId).localeCompare(String(left.runId)) || Number(right.findingIndex) - Number(left.findingIndex); }
+function afterFindingCursor(finding: Record<string, unknown>, cursorValue: FindingCursor | null): boolean { if (!cursorValue) return true; return String(finding.updatedAt) < cursorValue.updatedAt || (finding.updatedAt === cursorValue.updatedAt && (String(finding.runId) < cursorValue.runId || (finding.runId === cursorValue.runId && Number(finding.findingIndex) < cursorValue.findingIndex))); }
+function stableJson(value: unknown): string { if (Array.isArray(value)) return `[${value.map(stableJson).join(",")}]`; if (value && typeof value === "object") return `{${Object.entries(value as Record<string, unknown>).sort(([left], [right]) => left.localeCompare(right)).map(([key, item]) => `${JSON.stringify(key)}:${stableJson(item)}`).join(",")}}`; return JSON.stringify(value); }
+function scopeWhere(scope: MonitorScope): { readonly text: string; readonly values: readonly string[] } { const entries = Object.entries({ sentinel_id: scope.sentinelId, node: scope.node, lane: scope.lane }).filter(([, value]) => value); return { text: entries.length ? entries.map(([key], index) => `r.${key} = $${index + 1}`).join(" and ") : "true", values: entries.map(([, value]) => String(value)) }; }
+function identityWhere(scope: Required<MonitorScope>, runId: string): { readonly text: string; readonly values: readonly string[] } { return { text: "r.sentinel_id = $1 and r.node = $2 and r.lane = $3 and r.run_id = $4", values: [scope.sentinelId, scope.node, scope.lane, runId] }; }
+async function queryRuns(sql: postgres.Sql, scope: MonitorScope, options: RunQueryOptions): Promise<MonitorRun[]> { const where = scopeWhere(scope); const values: unknown[] = [...where.values]; let cursorClause = ""; if (options.cursor) { values.push(options.cursor.updatedAt, options.cursor.runId); cursorClause = `and (r.updated_at, r.run_id) < ($${values.length - 1}, $${values.length})`; } values.push(options.limit); const rows = await sql.unsafe(`select r.sentinel_id, r.node, r.lane, r.run_id, r.updated_at, r.status, r.payload_hash from monitor.runs r where ${where.text} ${cursorClause} order by r.updated_at desc, r.run_id desc limit $${values.length}`, values); return rows.map(runRow); }
+async function countRuns(sql: postgres.Sql, scope: MonitorScope): Promise<number> { const where = scopeWhere(scope); const rows = await sql.unsafe(`select count(*)::int as count from monitor.runs r where ${where.text}`, where.values); return Number(rows[0]?.count ?? 0); }
+async function updatePostgresArtifactAvailability(transaction: postgres.TransactionSql, input: NormalizedIngest): Promise<void> {
+  for (const [index, locator] of input.artifactLocators.entries()) await transaction`
+    update monitor.artifact_locators
+    set reachable = ${locator.reachable}
+    where sentinel_id = ${input.sentinelId} and node = ${input.node} and lane = ${input.lane} and run_id = ${input.runId} and locator_index = ${index}`;
+}
+function rowIdentity(row: Record<string, unknown>): { readonly text: string; readonly values: readonly string[] } { return { text: "sentinel_id = $1 and node = $2 and lane = $3 and run_id = $4", values: [String(row.sentinel_id), String(row.node), String(row.lane), String(row.run_id)] }; }
+function runRow(row: Record<string, unknown>): MonitorRun { return { sentinelId: String(row.sentinel_id), node: String(row.node), lane: String(row.lane), runId: String(row.run_id), updatedAt: new Date(String(row.updated_at)).toISOString(), status: String(row.status), payloadHash: String(row.payload_hash) }; }
+export function mapPostgresFindingRow(row: Record<string, unknown>): Record<string, unknown> { return { ...runRow(row), findingIndex: Number(row.finding_index), finding: row.finding }; }
+function locatorRow(row: Record<string, unknown>): MonitorArtifactLocator { return { ownerNode: String(row.owner_node), ownerLane: String(row.owner_lane), ownerPvc: String(row.owner_pvc), stateDir: String(row.state_dir), relativePath: String(row.relative_path), sha256: String(row.sha256), sizeBytes: Number(row.size_bytes), kind: String(row.kind), reachable: row.reachable === true }; }