diff --git a/src/controllers/adminController.ts b/src/controllers/adminController.ts
index 8bc79463..a4004c2c 100644
--- a/src/controllers/adminController.ts
+++ b/src/controllers/adminController.ts
@@ -290,7 +290,7 @@ export const deleteRelayerRegistry = async (req: Request, res: Response) => {
 
     // Log audit event before deletion
     const adminInfo = extractAdminInfo(req);
-    await logAuditEvent({
+    const deleteAuditPayload: Parameters<typeof logAuditEvent>[0] = {
       eventType: "RELAYER_REGISTRY_DELETED",
       actionType: "RELAYER_REGISTRY",
       relatedId: existing.id,
diff --git a/src/metrics/index.ts b/src/metrics/index.ts
new file mode 100644
index 00000000..a46c419a
--- /dev/null
+++ b/src/metrics/index.ts
@@ -0,0 +1,25 @@
+import { Counter, Histogram } from "prom-client";
+
+export const successfulSubmissions = new Counter({
+  name: "multi_sig_successful_submissions_total",
+  help: "Total number of successfully submitted multi-signature updates",
+  labelNames: ["asset"],
+});
+
+export const failedSubmissions = new Counter({
+  name: "multi_sig_failed_submissions_total",
+  help: "Total number of failed multi-signature submissions",
+  labelNames: ["asset", "reason"],
+});
+
+export const gasUsagePerAsset = new Histogram({
+  name: "multi_sig_gas_usage_stroops",
+  help: "Gas usage per asset for multi-signature submissions",
+  labelNames: ["asset"],
+});
+
+export const submissionDuration = new Histogram({
+  name: "multi_sig_submission_duration_seconds",
+  help: "Duration of multi-signature submission processing",
+  labelNames: ["asset"],
+});
diff --git a/src/services/marketRate/middleValuePriceService.ts b/src/services/marketRate/middleValuePriceService.ts
index 4d34bea5..12cd834f 100644
--- a/src/services/marketRate/middleValuePriceService.ts
+++ b/src/services/marketRate/middleValuePriceService.ts
@@ -115,6 +115,11 @@ export class MiddleValuePriceService {
     const middleValue = this.calculateMiddleValue(rates);
 
     // Use the most recent timestamp from successful responses
+    const firstResult = successfulResults[0];
+    if (!firstResult) {
+      throw new Error("No successful price sources available for middle value calculation");
+    }
+
     const mostRecentTimestamp = successfulResults.reduce(
       (latest, result) => (result.timestamp > latest ? result.timestamp : latest),
       successfulResults[0]!.timestamp,
diff --git a/src/services/multiSigService.ts b/src/services/multiSigService.ts
index 4c67a74f..8ce585ff 100644
--- a/src/services/multiSigService.ts
+++ b/src/services/multiSigService.ts
@@ -8,7 +8,7 @@ import {
   failedSubmissions,
   gasUsagePerAsset,
   submissionDuration,
-} from "../metrics";
+} from "../metrics/index.js";
 
 dotenv.config();
 
diff --git a/src/services/priceAggregatorService.ts b/src/services/priceAggregatorService.ts
index 8711a467..0b1efd18 100644
--- a/src/services/priceAggregatorService.ts
+++ b/src/services/priceAggregatorService.ts
@@ -274,6 +274,9 @@ export class PriceAggregatorService {
 
     const rates = ticks.map((t: any) => Number(t.rate));
 
+    const open = rates[0] ?? 0;
+    const close = rates[rates.length - 1] ?? 0;
+
     return {
       open: rates[0]!,
       high: Math.max(...rates),
diff --git a/src/services/secretManager.ts b/src/services/secretManager.ts
index 42af1587..7c2d1d3f 100644
--- a/src/services/secretManager.ts
+++ b/src/services/secretManager.ts
@@ -9,6 +9,10 @@ export type ReloadTrigger = "admin-endpoint" | "file-watcher" | "startup";
 let reloadCount: number = 0;
 const KEY_SLOT = "stellar-secret";
 
+function shouldFailFast(): boolean {
+  return process.env.NODE_ENV === "production";
+}
+
 /**
  * Validates a candidate Stellar secret key.
  * Throws with a safe message — never includes the candidate value.
diff --git a/src/services/sorobanEventListener.ts b/src/services/sorobanEventListener.ts
index 1af52b69..138d42cc 100644
--- a/src/services/sorobanEventListener.ts
+++ b/src/services/sorobanEventListener.ts
@@ -79,6 +79,24 @@ export class SorobanEventListener {
     await this.pollTransactions();
 
     // Start periodic polling
+    this.startPollingTimer();
+  }
+
+  restart(newIntervalMs: number): void {
+    this.pollIntervalMs = newIntervalMs;
+
+    if (!this.isRunning) {
+      return;
+    }
+
+    if (this.pollTimer) {
+      clearInterval(this.pollTimer);
+    }
+
+    this.startPollingTimer();
+  }
+
+  private startPollingTimer(): void {
     this.pollTimer = setInterval(() => {
       this.pollTransactions().catch((err) => {
         logger.networkError("[EventListener] Poll error:", { err });
diff --git a/src/services/stellarService.ts b/src/services/stellarService.ts
index 8af52316..5c1b3e64 100644
--- a/src/services/stellarService.ts
+++ b/src/services/stellarService.ts
@@ -10,7 +10,10 @@ import {
   Account,
 } from "@stellar/stellar-sdk";
 import stellarProvider from "../lib/stellarProvider";
-import { getStellarNetworkPassphrase } from "../lib/stellarNetwork";
+import {
+  getStellarNetwork,
+  getStellarNetworkPassphrase,
+} from "../lib/stellarNetwork";
 import { sequenceManager } from "./sequence-manager";
 import { assertSigningAllowed } from "../state/appState";
 import { signer } from "../signer";
@@ -110,7 +113,15 @@ export class StellarService {
       baseFee,
     );
 
-    logger.networkInfo(`✅ Price update for ${currency} confirmed. Hash: ${result.hash}`, { hash: result.hash });
+    const network = getStellarNetwork();
+    const txURL = network === "TESTNET"
+      ? `https://testnet.stellarexpert.org/tx/${result.hash}`
+      : `https://stellarexpert.org/tx/${result.hash}`;
+
+    logger.networkInfo(
+      `✅ Price update for ${currency} confirmed. Hash: ${result.hash} | StellarExpert: ${txURL}`,
+      { hash: result.hash, url: txURL },
+    );
     return result.hash;
   }
 
@@ -154,7 +165,15 @@ export class StellarService {
     );
 
     const currencies = updates.map((u) => u.currency).join(", ");
-    logger.networkInfo(`✅ Batched price update for [${currencies}] confirmed. Hash: ${result.hash}`, { hash: result.hash, currencies });
+    const network = getStellarNetwork();
+    const txURL = network === "TESTNET"
+      ? `https://testnet.stellarexpert.org/tx/${result.hash}`
+      : `https://stellarexpert.org/tx/${result.hash}`;
+
+    logger.networkInfo(
+      `✅ Batched price update for [${currencies}] confirmed. Hash: ${result.hash} | StellarExpert: ${txURL}`,
+      { hash: result.hash, url: txURL, currencies },
+    );
     return result.hash;
   }
 
@@ -191,7 +210,15 @@ export class StellarService {
       baseFee,
     );
 
-    logger.networkInfo(`✅ Multi-signed price update for ${currency} confirmed. Hash: ${result.hash}`, { hash: result.hash });
+    const network = getStellarNetwork();
+    const txURL = network === "TESTNET"
+      ? `https://testnet.stellarexpert.org/tx/${result.hash}`
+      : `https://stellarexpert.org/tx/${result.hash}`;
+
+    logger.networkInfo(
+      `✅ Multi-signed price update for ${currency} confirmed. Hash: ${result.hash} | StellarExpert: ${txURL}`,
+      { hash: result.hash, url: txURL },
+    );
     return result.hash;
   }
 
diff --git a/src/services/webhook.ts b/src/services/webhook.ts
index 6343df6a..b84c63e0 100644
--- a/src/services/webhook.ts
+++ b/src/services/webhook.ts
@@ -79,6 +79,15 @@ type MonitorFailureAlertDetails = {
   timestamp: Date;
 };
 
+type PriorityAlertDetails = {
+  currency: string;
+  rate: number;
+  zScore: number;
+  mean: number;
+  stdDev: number;
+  timestamp: Date;
+};
+
 export class WebhookService {
   private webhookUrl: string | undefined;
   private platform: string;
@@ -317,6 +326,59 @@ export class WebhookService {
     };
   }
 
+  private formatPriorityAlert(alertDetails: PriorityAlertDetails): WebhookPayload {
+    const { currency, rate, zScore, mean, stdDev, timestamp } = alertDetails;
+
+    if (this.platform === "discord") {
+      return {
+        embeds: [
+          {
+            title: "⚠️ High Priority Market Anomaly Detected",
+            color: 0xff6b00,
+            fields: [
+              { name: "Currency", value: currency, inline: true },
+              { name: "Rate", value: rate.toString(), inline: true },
+              { name: "Z-Score", value: zScore.toFixed(2), inline: true },
+              { name: "Mean", value: mean.toString(), inline: true },
+              { name: "Std Dev", value: stdDev.toString(), inline: true },
+              { name: "Time", value: timestamp.toISOString() },
+            ],
+          },
+        ],
+      };
+    }
+
+    return {
+      blocks: [
+        {
+          type: "header",
+          text: { type: "plain_text", text: "⚠️ High Priority Market Anomaly Detected" },
+        },
+        {
+          type: "section",
+          fields: [
+            { type: "mrkdwn", text: `*Currency:*
+${currency}` },
+            { type: "mrkdwn", text: `*Rate:*
+${rate}` },
+            { type: "mrkdwn", text: `*Z-Score:*
+${zScore.toFixed(2)}` },
+            { type: "mrkdwn", text: `*Mean:*
+${mean}` },
+            { type: "mrkdwn", text: `*Std Dev:*
+${stdDev}` },
+          ],
+        },
+        {
+          type: "context",
+          elements: [
+            { type: "mrkdwn", text: `Detected at ${timestamp.toISOString()}` },
+          ],
+        },
+      ],
+    };
+  }
+
   // FIX 1: Added Slack branch — previously always returned a Discord embed,
   // which would be silently dropped or mangled when NOTIFICATION_PLATFORM=slack.
   private formatGasBalanceAlert(