diff --git a/frontend/src/components/pilot/ScriptBuilderTab.tsx b/frontend/src/components/pilot/ScriptBuilderTab.tsx
index 662ca50c..a87c211c 100644
--- a/frontend/src/components/pilot/ScriptBuilderTab.tsx
+++ b/frontend/src/components/pilot/ScriptBuilderTab.tsx
@@ -165,7 +165,9 @@ export function ScriptBuilderTab({
 
   // onViewScript is required by ScriptBuilderChat — provide a no-op for now
   // (inline preview is a future extension).
-  const handleViewScript = (_script: string, _filename: string | null) => {
+  const handleViewScript = (script: string, filename: string | null) => {
+    void script
+    void filename
     // Future: open inline preview panel
   }
 
diff --git a/frontend/src/hooks/useFlowPilotSession.ts b/frontend/src/hooks/useFlowPilotSession.ts
index 85b9d542..3ef4b68b 100644
--- a/frontend/src/hooks/useFlowPilotSession.ts
+++ b/frontend/src/hooks/useFlowPilotSession.ts
@@ -100,11 +100,13 @@ export function useFlowPilotSession(): UseFlowPilotSession {
       setCurrentStep(firstStep)
     } catch (e: unknown) {
       // Prefer the backend's detail message over the generic axios status string
-      const detail = (e as any)?.response?.data?.detail
+      const axiosErr = e as { response?: { status?: number; data?: { detail?: unknown } } }
+      const detail = axiosErr?.response?.data?.detail
       const message = typeof detail === 'string' ? detail : (e instanceof Error ? e.message : 'Failed to start session')
       setError(message)
       // Global axios interceptor already shows a toast for 5xx — skip duplicate
-      if (!(e as any)?.response?.status || (e as any)?.response?.status < 500) {
+      const status = axiosErr?.response?.status
+      if (!status || status < 500) {
         toast.error(message)
       }
     } finally {
diff --git a/frontend/src/pages/FlowPilotSessionPage.tsx b/frontend/src/pages/FlowPilotSessionPage.tsx
index 4ab4d0b6..e1ecd22e 100644
--- a/frontend/src/pages/FlowPilotSessionPage.tsx
+++ b/frontend/src/pages/FlowPilotSessionPage.tsx
@@ -19,8 +19,9 @@ export default function FlowPilotSessionPage() {
   const navigate = useNavigate()
   const location = useLocation()
   const prefill = (location.state as { prefill?: string } | null)?.prefill || ''
-  const psaTicketId = (location.state as any)?.psaTicketId as string | undefined
-  const psaTicket = (location.state as any)?.psaTicket as PSATicketInfo | undefined
+  const locationState = location.state as { psaTicketId?: string; psaTicket?: PSATicketInfo } | null
+  const psaTicketId = locationState?.psaTicketId
+  const psaTicket = locationState?.psaTicket
   const isPickup = searchParams.get('pickup') === 'true'
   const fp = useFlowPilotSession()
   const branching = useBranching()
diff --git a/frontend/src/pages/TicketsPage.tsx b/frontend/src/pages/TicketsPage.tsx
index 256b0314..b89d9bce 100644
--- a/frontend/src/pages/TicketsPage.tsx
+++ b/frontend/src/pages/TicketsPage.tsx
@@ -141,23 +141,42 @@ export default function TicketsPage() {
 
   function updateFilters(updated: Partial<TicketFilters>) {
     const next = new URLSearchParams(searchParams)
-    if ('search' in updated) updated.search ? next.set('search', updated.search!) : next.delete('search')
-    if ('board_id' in updated) updated.board_id ? next.set('board', String(updated.board_id)) : next.delete('board')
-    if ('status_id' in updated) updated.status_id ? next.set('status', String(updated.status_id)) : next.delete('status')
-    if ('priority' in updated) updated.priority ? next.set('priority', updated.priority!) : next.delete('priority')
-    if ('company_id' in updated) updated.company_id ? next.set('company', String(updated.company_id)) : next.delete('company')
-    if ('assigned' in updated) {
-      const a = updated.assigned
-      a === 'all' ? next.delete('assigned') : next.set('assigned', String(a))
+    if ('search' in updated) {
+      if (updated.search) next.set('search', updated.search)
+      else next.delete('search')
+    }
+    if ('board_id' in updated) {
+      if (updated.board_id) next.set('board', String(updated.board_id))
+      else next.delete('board')
+    }
+    if ('status_id' in updated) {
+      if (updated.status_id) next.set('status', String(updated.status_id))
+      else next.delete('status')
+    }
+    if ('priority' in updated) {
+      if (updated.priority) next.set('priority', updated.priority)
+      else next.delete('priority')
+    }
+    if ('company_id' in updated) {
+      if (updated.company_id) next.set('company', String(updated.company_id))
+      else next.delete('company')
+    }
+    if ('assigned' in updated) {
+      if (updated.assigned === 'all') next.delete('assigned')
+      else next.set('assigned', String(updated.assigned))
+    }
+    if ('include_closed' in updated) {
+      if (updated.include_closed) next.set('closed', 'true')
+      else next.delete('closed')
     }
-    if ('include_closed' in updated) updated.include_closed ? next.set('closed', 'true') : next.delete('closed')
     next.delete('page') // reset to 1 on filter change
     setSearchParams(next)
   }
 
   function updatePage(p: number) {
     const next = new URLSearchParams(searchParams)
-    p === 1 ? next.delete('page') : next.set('page', String(p))
+    if (p === 1) next.delete('page')
+    else next.set('page', String(p))
     setSearchParams(next)
   }