diff --git a/config/platform-db/postgres-nc01.yaml b/config/platform-db/postgres-nc01.yaml
index e37454f6..03adbf29 100644
--- a/config/platform-db/postgres-nc01.yaml
+++ b/config/platform-db/postgres-nc01.yaml
@@ -5,7 +5,8 @@ metadata:
   id: nc01-host-postgres
   description: NC01 host-native PostgreSQL 16 for local UniDesk/HWLAB/AgentRun runtime state
   owner: unidesk
-  relatedIssues: []
+  relatedIssues:
+    - 1875
 
 cluster:
   role: primary
@@ -113,6 +114,11 @@ postgres:
         user: decision_center
         address: 10.42.0.0/16
         method: scram-sha-256
+      - type: hostssl
+        database: web_probe_monitor
+        user: web_probe_monitor
+        address: 10.42.0.0/16
+        method: scram-sha-256
 
 secrets:
   source: master-local
@@ -146,6 +152,20 @@ secrets:
           DECISION_CENTER_NC01_DB_NAME: decision_center
         randomHex:
           DECISION_CENTER_NC01_DB_PASSWORD: 32
+    - name: web-probe-monitor-nc01-db-credentials
+      sourceRef: platform-db/web-probe-monitor-nc01-db.env
+      type: env
+      requiredKeys:
+        - WEB_PROBE_MONITOR_NC01_DB_USER
+        - WEB_PROBE_MONITOR_NC01_DB_PASSWORD
+        - WEB_PROBE_MONITOR_NC01_DB_NAME
+      createIfMissing:
+        enabled: true
+        values:
+          WEB_PROBE_MONITOR_NC01_DB_USER: web_probe_monitor
+          WEB_PROBE_MONITOR_NC01_DB_NAME: web_probe_monitor
+        randomHex:
+          WEB_PROBE_MONITOR_NC01_DB_PASSWORD: 32
 
 objects:
   roles:
@@ -167,6 +187,15 @@ objects:
         createdb: false
         createrole: false
         superuser: false
+    - name: web_probe_monitor
+      passwordRef:
+        sourceRef: platform-db/web-probe-monitor-nc01-db.env
+        key: WEB_PROBE_MONITOR_NC01_DB_PASSWORD
+      login: true
+      attributes:
+        createdb: false
+        createrole: false
+        superuser: false
   databases:
     - name: agentrun_v02
       owner: agentrun_v02
@@ -178,6 +207,11 @@ objects:
       encoding: UTF8
       locale: C.UTF-8
       extensions: []
+    - name: web_probe_monitor
+      owner: web_probe_monitor
+      encoding: UTF8
+      locale: C.UTF-8
+      extensions: []
 
 exports:
   connectionStrings:
@@ -211,6 +245,21 @@ exports:
         - scope: decision-center
           secret: decision-center-runtime-secrets
           key: DATABASE_URL
+    - name: web-probe-monitor-nc01-database-url
+      sourceSecretRef: platform-db/web-probe-monitor-nc01-db.env
+      render:
+        envKey: DATABASE_URL
+        format: postgresql://$(WEB_PROBE_MONITOR_NC01_DB_USER):$(WEB_PROBE_MONITOR_NC01_DB_PASSWORD)@$(PGHOST):5432/$(WEB_PROBE_MONITOR_NC01_DB_NAME)?sslmode=require
+        variables:
+          PGHOST: 10.42.0.1
+      writeToSecretSource:
+        sourceRef: hwlab/web-probe-monitor-db.env
+        key: DATABASE_URL
+        mode: update-or-insert
+      consumers:
+        - scope: hwlab-web-probe-monitor
+          secret: hwlab-web-probe-monitor-db
+          key: DATABASE_URL
 
 backup:
   logicalDump:
diff --git a/scripts/src/platform-db-nc01-monitor-config.test.ts b/scripts/src/platform-db-nc01-monitor-config.test.ts
new file mode 100644
index 00000000..4da08779
--- /dev/null
+++ b/scripts/src/platform-db-nc01-monitor-config.test.ts
@@ -0,0 +1,48 @@
+import { describe, expect, test } from "bun:test";
+import { rootPath } from "./config";
+import { readYamlRecord } from "./platform-infra-ops-library";
+
+describe("NC01 Host PG Monitor declaration", () => {
+  test("声明独立 Monitor role、database、SCRAM HBA 与 DATABASE_URL consumer", () => {
+    const config = readYamlRecord<Record<string, any>>(rootPath("config/platform-db/postgres-nc01.yaml"), "postgres-host-cluster");
+    const monitorRole = config.objects.roles.find((role: Record<string, unknown>) => role.name === "web_probe_monitor");
+    const monitorDatabase = config.objects.databases.find((database: Record<string, unknown>) => database.name === "web_probe_monitor");
+    const monitorHba = config.postgres.auth.pgHba.find((rule: Record<string, unknown>) => rule.database === "web_probe_monitor" && rule.user === "web_probe_monitor");
+    const monitorExport = config.exports.connectionStrings.find((entry: Record<string, unknown>) => entry.name === "web-probe-monitor-nc01-database-url");
+
+    expect(config.metadata.relatedIssues).toContain(1875);
+    expect(config.secrets.entries).toEqual(expect.arrayContaining([
+      expect.objectContaining({
+        sourceRef: "platform-db/web-probe-monitor-nc01-db.env",
+        requiredKeys: [
+          "WEB_PROBE_MONITOR_NC01_DB_USER",
+          "WEB_PROBE_MONITOR_NC01_DB_PASSWORD",
+          "WEB_PROBE_MONITOR_NC01_DB_NAME",
+        ],
+      }),
+    ]));
+    expect(monitorRole).toMatchObject({
+      passwordRef: { sourceRef: "platform-db/web-probe-monitor-nc01-db.env", key: "WEB_PROBE_MONITOR_NC01_DB_PASSWORD" },
+      login: true,
+      attributes: { createdb: false, createrole: false, superuser: false },
+    });
+    expect(monitorDatabase).toMatchObject({ owner: "web_probe_monitor", encoding: "UTF8", locale: "C.UTF-8" });
+    expect(monitorHba).toEqual({ type: "hostssl", database: "web_probe_monitor", user: "web_probe_monitor", address: "10.42.0.0/16", method: "scram-sha-256" });
+    expect(monitorExport).toMatchObject({
+      sourceSecretRef: "platform-db/web-probe-monitor-nc01-db.env",
+      render: { envKey: "DATABASE_URL", variables: { PGHOST: "10.42.0.1" } },
+      writeToSecretSource: { sourceRef: "hwlab/web-probe-monitor-db.env", key: "DATABASE_URL", mode: "update-or-insert" },
+      consumers: [{ scope: "hwlab-web-probe-monitor", secret: "hwlab-web-probe-monitor-db", key: "DATABASE_URL" }],
+    });
+    expect(monitorExport.render.format).not.toContain("web_probe_monitor:");
+  });
+
+  test("既有应用 role 保持原有独立 sourceRef", () => {
+    const config = readYamlRecord<Record<string, any>>(rootPath("config/platform-db/postgres-nc01.yaml"), "postgres-host-cluster");
+    const sourceRefs = new Map(config.objects.roles.map((role: Record<string, any>) => [role.name, role.passwordRef.sourceRef]));
+
+    expect(sourceRefs.get("agentrun_v02")).toBe("platform-db/agentrun-nc01-v02-db.env");
+    expect(sourceRefs.get("decision_center")).toBe("decision-center/nc01-db.env");
+    expect(sourceRefs.get("web_probe_monitor")).toBe("platform-db/web-probe-monitor-nc01-db.env");
+  });
+});