diff --git a/.agents/workflows/generate-release.md b/.agents/workflows/generate-release.md
index 7e05c01305..c6107339bb 100644
--- a/.agents/workflows/generate-release.md
+++ b/.agents/workflows/generate-release.md
@@ -259,7 +259,7 @@ git pull origin main
 VERSION=$(node -p "require('./package.json').version")
 
 # Extracts the changelog section for this version
-NOTES=$(awk '/^## \['"$VERSION"'\]/{flag=1; next} /^## \[[0-9]+/{if(flag) exit} flag' CHANGELOG.md | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
+NOTES=$(awk "/^## \\[$VERSION\\]/{flag=1; next} /^---/{if(flag) {flag=0; exit}} flag" CHANGELOG.md | sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//')
 if [ -z "$NOTES" ]; then NOTES="OmniRoute v$VERSION Release"; fi
 
 git tag -a "v$VERSION" -m "Release v$VERSION"
diff --git a/src/app/api/usage/analytics/route.ts b/src/app/api/usage/analytics/route.ts
index e52a4141f4..2c34e593a1 100644
--- a/src/app/api/usage/analytics/route.ts
+++ b/src/app/api/usage/analytics/route.ts
@@ -122,7 +122,7 @@ function computeActivityStreak(activityMap: Record<string, number>): number {
   return streak;
 }
 
-export async function GET(request) {
+export async function GET(request: Request) {
   try {
     const { searchParams } = new URL(request.url);
     const range = searchParams.get("range") || "30d";
diff --git a/src/shared/utils/formatting.ts b/src/shared/utils/formatting.ts
index 5a42c87ecf..6dd941cf2a 100644
--- a/src/shared/utils/formatting.ts
+++ b/src/shared/utils/formatting.ts
@@ -10,8 +10,9 @@
  * @param {string} isoString - ISO 8601 date string
  * @returns {string}
  */
-export function formatTime(isoString) {
+export function formatTime(isoString: string | null | undefined) {
   try {
+    if (!isoString) return "-";
     const d = new Date(isoString);
     return d.toLocaleTimeString("en-US", {
       hour12: false,
@@ -29,7 +30,7 @@ export function formatTime(isoString) {
  * @param {number} ms - Duration in milliseconds
  * @returns {string} e.g., "42ms", "1.2s", "-"
  */
-export function formatDuration(ms) {
+export function formatDuration(ms: number | null | undefined) {
   if (!ms) return "-";
   if (ms < 1000) return `${ms}ms`;
   return `${(ms / 1000).toFixed(1)}s`;
@@ -40,8 +41,9 @@ export function formatDuration(ms) {
  * @param {string} iso - ISO 8601 date string
  * @returns {string}
  */
-export function formatDateTime(iso) {
+export function formatDateTime(iso: string | null | undefined) {
   try {
+    if (!iso) return "-";
     const d = new Date(iso);
     return d.toLocaleDateString("pt-BR") + ", " + d.toLocaleTimeString("en-US", { hour12: false });
   } catch {
@@ -56,7 +58,7 @@ export function formatDateTime(iso) {
  * @param {number} end - Number of characters to show at end (default: 2)
  * @returns {string}
  */
-export function maskSegment(value, start = 2, end = 2) {
+export function maskSegment(value: string | null | undefined, start = 2, end = 2) {
   if (!value) return "";
   if (value.length <= start + end) return `${value.slice(0, 1)}***`;
   return `${value.slice(0, start)}***${value.slice(-end)}`;
@@ -68,7 +70,7 @@ export function maskSegment(value, start = 2, end = 2) {
  * @param {boolean} emailsVisible - Whether to show full email (true) or mask it (false)
  * @returns {string}
  */
-export function maskAccount(account, emailsVisible) {
+export function maskAccount(account: string | null | undefined, emailsVisible: boolean) {
   if (!account || account === "-") return "-";
   const atIdx = account.indexOf("@");
   if (atIdx > 3) {
@@ -87,7 +89,10 @@ export function maskAccount(account, emailsVisible) {
  * @param {string} apiKeyId - Unique ID of the key
  * @returns {string}
  */
-export function formatApiKeyLabel(apiKeyName, apiKeyId) {
+export function formatApiKeyLabel(
+  apiKeyName: string | null | undefined,
+  apiKeyId: string | null | undefined
+) {
   if (!apiKeyName && !apiKeyId) return "—";
   const displayName = apiKeyName || "key";
   if (!apiKeyId) return displayName;
@@ -99,7 +104,7 @@ export function formatApiKeyLabel(apiKeyName, apiKeyId) {
  * @param {string} key - API key or token to mask
  * @returns {string}
  */
-export function maskKey(key) {
+export function maskKey(key: string | null | undefined) {
   if (!key || key.length < 8) return "***";
   return `${key.slice(0, 4)}...${key.slice(-4)}`;
 }
@@ -109,10 +114,10 @@ export function maskKey(key) {
  * @param {number} n - Number to format
  * @returns {string}
  */
-export function fmtCompact(n) {
-  if (n >= 1_000_000_000) return `${(n / 1_000_000_000).toFixed(1)}B`;
-  if (n >= 1_000_000) return `${(n / 1_000_000).toFixed(1)}M`;
-  if (n >= 1_000) return `${(n / 1_000).toFixed(1)}K`;
+export function fmtCompact(n: number | null | undefined) {
+  if (n && n >= 1_000_000_000) return `${(n / 1_000_000_000).toFixed(1)}B`;
+  if (n && n >= 1_000_000) return `${(n / 1_000_000).toFixed(1)}M`;
+  if (n && n >= 1_000) return `${(n / 1_000).toFixed(1)}K`;
   return new Intl.NumberFormat().format(n || 0);
 }
 
@@ -121,7 +126,7 @@ export function fmtCompact(n) {
  * @param {number} n - Number to format
  * @returns {string}
  */
-export function fmtFull(n) {
+export function fmtFull(n: number | null | undefined) {
   return new Intl.NumberFormat().format(n || 0);
 }
 
@@ -147,7 +152,7 @@ export const fmtCost = formatCost;
  * @param {number} max - Maximum characters (default: 50)
  * @returns {string}
  */
-export function truncateUrl(url, max = 50) {
+export function truncateUrl(url: string | null | undefined, max = 50) {
   if (!url) return "-";
   try {
     const parsed = new URL(url);
diff --git a/tests/unit/chatgpt-web.test.ts b/tests/unit/chatgpt-web.test.ts
index e899e2306d..dd49da1c32 100644
--- a/tests/unit/chatgpt-web.test.ts
+++ b/tests/unit/chatgpt-web.test.ts
@@ -1231,9 +1231,9 @@ test("thinking_effort: bare chatgpt.com slug (e.g. gpt-5-4-t-mini) passed as mod
         1,
         `bare slug ${bareSlug} must trigger thinking_effort PATCH`
       );
-      assert.match(
-        m.calls.userConfigUrls[0],
-        new RegExp(`model_slug=${bareSlug.replace(/\./g, "\\.")}`)
+      assert.ok(
+        m.calls.userConfigUrls[0].includes(`model_slug=${bareSlug}`),
+        `URL should contain model_slug=${bareSlug}`
       );
     } finally {
       m.restore();