diff --git a/.eslintrc.js b/.eslintrc.js
index 57a24fa0..e2ceca7d 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -4,7 +4,6 @@
 module.exports = {
   extends: ['prettier'],
   ignorePatterns: [
-    '**/app/**',
     '**/public/**',
 
     // Enable dotfile linting
@@ -44,6 +43,14 @@ module.exports = {
         'jest-dom'
       ],
       rules: {
+        // Allow unused variables via spread syntax
+        '@typescript-eslint/no-unused-vars': [
+          'error',
+          {
+            ignoreRestSiblings: true
+          }
+        ],
+
         // Always import Node.js packages from `node:*`
         'import/enforce-node-protocol-usage': ['error', 'always'],
 
@@ -65,6 +72,14 @@ module.exports = {
           }
         ],
 
+        // Allow extra nested properties in JSDoc
+        'jsdoc/check-param-names': [
+          'warn',
+          {
+            disableExtraPropertyReporting: true
+          }
+        ],
+
         // JSDoc blocks are optional by default
         'jsdoc/require-jsdoc': 'off',
 
@@ -90,6 +105,13 @@ module.exports = {
           {
             startLines: 1
           }
+        ],
+
+        'promise/catch-or-return': [
+          'error',
+          {
+            allowFinally: true
+          }
         ]
       },
       settings: {
diff --git a/app/assets/javascript/custom-elements/is-sticky.js b/app/assets/javascript/custom-elements/is-sticky.js
index 22c9f6bb..2915de4b 100644
--- a/app/assets/javascript/custom-elements/is-sticky.js
+++ b/app/assets/javascript/custom-elements/is-sticky.js
@@ -34,6 +34,7 @@ const IsStickyComponent = class extends HTMLElement {
     let inThrottle
     return function () {
       const args = arguments
+      // eslint-disable-next-line @typescript-eslint/no-this-alias
       const context = this
       if (!inThrottle) {
         callback.apply(context, args)
diff --git a/app/assets/javascript/expanded-state-tracker.js b/app/assets/javascript/expanded-state-tracker.js
index 43fcac29..e997bc3e 100644
--- a/app/assets/javascript/expanded-state-tracker.js
+++ b/app/assets/javascript/expanded-state-tracker.js
@@ -69,7 +69,7 @@
     const path = window.location.pathname
 
     // Clear if on main event page (not sub-pages)
-    if (path.match(/^\/clinics\/[^\/]+\/events\/[^\/]+\/?$/)) {
+    if (path.match(/^\/clinics\/[^/]+\/events\/[^/]+\/?$/)) {
       clearAllExpandedStates()
     }
   }
diff --git a/app/assets/javascript/mammogram-viewer.js b/app/assets/javascript/mammogram-viewer.js
index ef6fbb5b..45ec83a6 100644
--- a/app/assets/javascript/mammogram-viewer.js
+++ b/app/assets/javascript/mammogram-viewer.js
@@ -88,7 +88,7 @@ const MammogramViewer = {
         mammogramWindow = null
         localStorage.removeItem(VIEWER_STORAGE_KEY)
       }
-    } catch (e) {
+    } catch {
       mammogramWindow = null
       localStorage.removeItem(VIEWER_STORAGE_KEY)
     }
@@ -207,7 +207,9 @@ const MammogramViewer = {
         if (mammogramWindow) {
           mammogramWindow.close()
         }
-      } catch (err) {}
+      } catch {
+        // Ignore errors
+      }
 
       localStorage.removeItem(VIEWER_STORAGE_KEY)
       this.openNew(participantName)
@@ -273,7 +275,7 @@ const MammogramViewer = {
     // Only check our direct reference, don't try to find windows
     try {
       return mammogramWindow && !mammogramWindow.closed
-    } catch (e) {
+    } catch {
       // If there's an error accessing the window property, it's likely closed
       return false
     }
@@ -307,6 +309,8 @@ window.addEventListener('beforeunload', function () {
   if (window.inReadingContext && mammogramWindow && !mammogramWindow.closed) {
     try {
       localStorage.setItem('wasInReadingContext', 'true')
-    } catch (e) {}
+    } catch {
+      // Ignore errors
+    }
   }
 })
diff --git a/app/assets/javascript/modal.js b/app/assets/javascript/modal.js
index 089155de..91d7dfac 100644
--- a/app/assets/javascript/modal.js
+++ b/app/assets/javascript/modal.js
@@ -116,7 +116,7 @@ class AppModal {
         this.handleAjax(actionElement)
         break
 
-      default:
+      default: {
         // Fire custom event for other action types
         const customEvent = new CustomEvent('modal:action', {
           detail: {
@@ -127,6 +127,7 @@ class AppModal {
           }
         })
         this.modal.dispatchEvent(customEvent)
+      }
     }
   }
 
@@ -154,6 +155,7 @@ class AppModal {
       body: method !== 'GET' ? JSON.stringify(modalData) : null
     })
       .then((response) => {
+        // eslint-disable-next-line promise/always-return
         if (response.ok) {
           if (closeOnSuccess) {
             this.close()
diff --git a/app/config.js b/app/config.js
index 6eef20ee..973b28ba 100644
--- a/app/config.js
+++ b/app/config.js
@@ -1,7 +1,7 @@
 // app/config.js
 
 // Use this file to change prototype configuration.
-const path = require('path')
+const path = require('node:path')
 
 module.exports = {
   // Service name
diff --git a/app/data/session-data-defaults.js b/app/data/session-data-defaults.js
index 44807167..604c4288 100644
--- a/app/data/session-data-defaults.js
+++ b/app/data/session-data-defaults.js
@@ -1,14 +1,16 @@
 // app/data/session-data-defaults.js
 
-const users = require('./users')
 // Used to simulate in prototype
-const breastScreeningUnits = require('./breast-screening-units')
 // All breast screening units
-const allBreastScreeningUnits = require('./all-breast-screening-units')
-const path = require('path')
-const fs = require('fs')
-const { needsRegeneration } = require('../lib/utils/regenerate-data')
+const fs = require('node:fs')
+const path = require('node:path')
+
 const config = require('../config')
+const { needsRegeneration } = require('../lib/utils/regenerate-data')
+
+const allBreastScreeningUnits = require('./all-breast-screening-units')
+const breastScreeningUnits = require('./breast-screening-units')
+const users = require('./users')
 
 // Check if generated data folder exists and create if needed
 const generatedDataPath = path.join(__dirname, 'generated')
@@ -48,8 +50,11 @@ if (needsRegeneration(generationInfo)) {
 
 // Load generated data
 try {
+  // eslint-disable-next-line n/no-unpublished-require
   participants = require('./generated/participants.json').participants
+  // eslint-disable-next-line n/no-unpublished-require
   clinics = require('./generated/clinics.json').clinics
+  // eslint-disable-next-line n/no-unpublished-require
   events = require('./generated/events.json').events
 } catch (err) {
   console.warn('Error loading generated data:', err)
diff --git a/app/filters.js b/app/filters.js
index 9fa76049..52bd60ca 100644
--- a/app/filters.js
+++ b/app/filters.js
@@ -1,9 +1,9 @@
 // app/filters.js
 
-const fs = require('fs')
-const path = require('path')
+const fs = require('node:fs')
+const path = require('node:path')
 
-module.exports = function (env) {
+module.exports = function () {
   /* eslint-disable-line func-names,no-unused-vars */
   /**
    * Instantiate object used to store the methods registered as a
diff --git a/app/filters/tags.js b/app/filters/tags.js
index 9f00db92..ca978458 100644
--- a/app/filters/tags.js
+++ b/app/filters/tags.js
@@ -1,8 +1,9 @@
 // app/filters/tags.js
 
 const { safe: nunjucksSafe } = require('nunjucks/src/filters')
-const { formatWords, sentenceCase, snakeCase } = require('../lib/utils/strings')
+
 const { getStatusTagColour, getStatusText } = require('../lib/utils/status')
+const { formatWords, sentenceCase, snakeCase } = require('../lib/utils/strings')
 
 /**
  * Convert a status string into an NHS tag
@@ -38,7 +39,7 @@ const toTag = (status, options = {}) => {
     .join(' ')
 
   // Generate tag HTML
-  const idAttr = options.id ? ` id=\"${options.id}\"` : ''
+  const idAttr = options.id ? ` id="${options.id}"` : ''
   return nunjucksSafe(`<strong${idAttr} class="${classes}">${text}</strong>`)
 }
 
diff --git a/app/lib/generate-seed-data.js b/app/lib/generate-seed-data.js
index 386e3768..75e5aeee 100644
--- a/app/lib/generate-seed-data.js
+++ b/app/lib/generate-seed-data.js
@@ -3,27 +3,26 @@
 // to run: node app/lib/generate-seed-data.js
 // can also be run from ui at localhost:3000/settings
 
+const fs = require('node:fs')
+const path = require('node:path')
+
 const dayjs = require('dayjs')
-const fs = require('fs')
-const path = require('path')
-const config = require('../config')
 const weighted = require('weighted')
 
-const { generateParticipant } = require('./generators/participant-generator')
-const { generateClinicsForBSU } = require('./generators/clinic-generator')
-const { generateEvent } = require('./generators/event-generator')
-const { getCurrentRiskLevel } = require('./utils/participants')
-const { generateReadingData } = require('./generators/reading-generator')
-
-const riskLevels = require('../data/risk-levels')
-
+const config = require('../config')
 // Load existing data
 const breastScreeningUnits = require('../data/breast-screening-units')
 const ethnicities = require('../data/ethnicities')
-
+const riskLevels = require('../data/risk-levels')
 // Hardcoded scenarios for user research
 const testScenarios = require('../data/test-scenarios')
 
+const { generateClinicsForBSU } = require('./generators/clinic-generator')
+const { generateEvent } = require('./generators/event-generator')
+const { generateParticipant } = require('./generators/participant-generator')
+const { generateReadingData } = require('./generators/reading-generator')
+const { getCurrentRiskLevel } = require('./utils/participants')
+
 // Create an index of participants by risk level for efficient lookup
 // Create an index of participants by risk level for efficient lookup
 const createParticipantIndices = (participants, clinicDate, events = []) => {
@@ -129,9 +128,6 @@ const generateClinicsForDay = (
       })
     : []
 
-  // Pre-filter eligible participants once
-  const clinicDate = dayjs(date)
-
   // Generate clinics for this day
   const newClinics = generateClinicsForBSU({
     date: date.toDate(),
diff --git a/app/lib/generators/clinic-generator.js b/app/lib/generators/clinic-generator.js
index d80efc5f..88bbeed1 100644
--- a/app/lib/generators/clinic-generator.js
+++ b/app/lib/generators/clinic-generator.js
@@ -1,10 +1,11 @@
 // app/lib/generators/clinic-generator.js
 
 const { faker } = require('@faker-js/faker')
-const generateId = require('../utils/id-generator')
 const dayjs = require('dayjs')
 const weighted = require('weighted')
+
 const config = require('../../config')
+const generateId = require('../utils/id-generator')
 
 const determineClinicType = (location, breastScreeningUnit) => {
   // First check location-specific service types
@@ -246,7 +247,7 @@ const generateClinicsForBSU = ({ date, breastScreeningUnit }) => {
       return [clinic]
     } else {
       // For paired sessions, create two clinics
-      return selectedPattern.sessions.map((sessionTimes, sessionIndex) => {
+      return selectedPattern.sessions.map(() => {
         const clinic = generateClinic(
           date,
           location,
diff --git a/app/lib/generators/event-generator.js b/app/lib/generators/event-generator.js
index fb0ac256..0b5f06f6 100644
--- a/app/lib/generators/event-generator.js
+++ b/app/lib/generators/event-generator.js
@@ -1,17 +1,19 @@
 // app/lib/generators/event-generator.js
 
-const generateId = require('../utils/id-generator')
 const { faker } = require('@faker-js/faker')
-const weighted = require('weighted')
 const dayjs = require('dayjs')
+const weighted = require('weighted')
+
 const config = require('../../config')
-const { STATUS_GROUPS, isCompleted, isFinal } = require('../utils/status')
+const users = require('../../data/users')
+const generateId = require('../utils/id-generator')
+const { STATUS_GROUPS, isCompleted } = require('../utils/status')
+
 const { generateMammogramImages } = require('./mammogram-generator')
-const { generateSymptoms } = require('./symptoms-generator')
 const {
   generateSpecialAppointment
 } = require('./special-appointment-generator')
-const users = require('../../data/users')
+const { generateSymptoms } = require('./symptoms-generator')
 
 const NOT_SCREENED_REASONS = [
   'Recent mammogram at different facility',
@@ -71,7 +73,6 @@ const generateEvent = ({
   slot,
   participant,
   clinic,
-  outcomeWeights,
   forceStatus = null,
   id = null,
   specialAppointmentOverride = null,
@@ -266,43 +267,6 @@ const generateEvent = ({
   return eventBase
 }
 
-const generateStatusHistory = (finalStatus, dateTime) => {
-  const history = []
-  const baseDate = new Date(dateTime)
-
-  // Always starts with scheduled status
-  history.push({
-    status: 'event_scheduled',
-    timestamp: new Date(baseDate.getTime() - 24 * 60 * 60 * 1000).toISOString() // Day before
-  })
-
-  // Add intermediate statuses based on final status
-  if (isCompleted(finalStatus)) {
-    history.push(
-      {
-        status: 'checked_in',
-        timestamp: new Date(baseDate.getTime() - 10 * 60 * 1000).toISOString() // 10 mins before
-      },
-      // {
-      //   status: 'in_progress',
-      //   timestamp: new Date(baseDate).toISOString()
-      // },
-      {
-        status: finalStatus,
-        timestamp: new Date(baseDate.getTime() + 15 * 60 * 1000).toISOString() // 15 mins after
-      }
-    )
-  } else {
-    // For did_not_attend and attended_not_screened, just add the final status
-    history.push({
-      status: finalStatus,
-      timestamp: new Date(baseDate.getTime() + 15 * 60 * 1000).toISOString()
-    })
-  }
-
-  return history
-}
-
 module.exports = {
   generateEvent
 }
diff --git a/app/lib/generators/mammogram-generator.js b/app/lib/generators/mammogram-generator.js
index e5cd706f..5aad73bb 100644
--- a/app/lib/generators/mammogram-generator.js
+++ b/app/lib/generators/mammogram-generator.js
@@ -1,9 +1,7 @@
 // app/lib/generators/mammogram-generator.js
 
 const { faker } = require('@faker-js/faker')
-const generateId = require('../utils/id-generator')
 const dayjs = require('dayjs')
-const weighted = require('weighted')
 
 const STANDARD_VIEWS = [
   { side: 'right', view: 'mediolateral oblique' },
diff --git a/app/lib/generators/participant-generator.js b/app/lib/generators/participant-generator.js
index 63d08361..8ab65f17 100644
--- a/app/lib/generators/participant-generator.js
+++ b/app/lib/generators/participant-generator.js
@@ -1,12 +1,14 @@
 // app/lib/generators/participant-generator.js
 
 const { faker } = require('@faker-js/faker')
-const generateId = require('../utils/id-generator')
-const weighted = require('weighted')
-const { generateBSUAppropriateAddress } = require('./address-generator')
+const dayjs = require('dayjs')
 const _ = require('lodash')
+const weighted = require('weighted')
+
 const riskLevels = require('../../data/risk-levels')
-const dayjs = require('dayjs')
+const generateId = require('../utils/id-generator')
+
+const { generateBSUAppropriateAddress } = require('./address-generator')
 
 /**
  * Generate a precise date of birth within the specified age range
diff --git a/app/lib/generators/reading-generator.js b/app/lib/generators/reading-generator.js
index 5af21e33..ef8985cf 100644
--- a/app/lib/generators/reading-generator.js
+++ b/app/lib/generators/reading-generator.js
@@ -2,6 +2,7 @@
 
 const dayjs = require('dayjs')
 const weighted = require('weighted')
+
 const { eligibleForReading } = require('../utils/status')
 
 /**
@@ -151,7 +152,6 @@ const generateReadingData = (events, users) => {
 
   // NEW: Add clinic where both reads are completed, but neither by the current user
   if (clinics.length >= 3) {
-    let count = 0
     // Use the next clinic for this scenario
     const clinic = clinics[2]
     console.log(
@@ -190,7 +190,6 @@ const generateReadingData = (events, users) => {
       }
 
       updatedEventIds.add(event.id)
-      count++
     })
 
     // Add second reads by second user to 60% of events
diff --git a/app/lib/generators/symptoms-generator.js b/app/lib/generators/symptoms-generator.js
index 4c9b2024..f44add05 100644
--- a/app/lib/generators/symptoms-generator.js
+++ b/app/lib/generators/symptoms-generator.js
@@ -2,6 +2,7 @@
 
 const { faker } = require('@faker-js/faker')
 const weighted = require('weighted')
+
 const generateId = require('../utils/id-generator')
 
 // Updated symptom types to match the form
diff --git a/app/lib/utils/dates.js b/app/lib/utils/dates.js
index f0730601..a2612557 100644
--- a/app/lib/utils/dates.js
+++ b/app/lib/utils/dates.js
@@ -1,14 +1,14 @@
 // app/lib/utils/dates.js
 
 const dayjs = require('dayjs')
-const relativeTime = require('dayjs/plugin/relativeTime')
 const advancedFormat = require('dayjs/plugin/advancedFormat')
-const utc = require('dayjs/plugin/utc')
-const timezone = require('dayjs/plugin/timezone')
+const customParseFormat = require('dayjs/plugin/customParseFormat')
 const isToday = require('dayjs/plugin/isToday')
 const isTomorrow = require('dayjs/plugin/isTomorrow')
 const isYesterday = require('dayjs/plugin/isYesterday')
-const customParseFormat = require('dayjs/plugin/customParseFormat')
+const relativeTime = require('dayjs/plugin/relativeTime')
+const timezone = require('dayjs/plugin/timezone')
+const utc = require('dayjs/plugin/utc')
 
 // Add plugins
 dayjs.extend(relativeTime)
diff --git a/app/lib/utils/objects.js b/app/lib/utils/objects.js
index ae0f8bf6..48c9360c 100644
--- a/app/lib/utils/objects.js
+++ b/app/lib/utils/objects.js
@@ -1,7 +1,5 @@
 // app/lib/utils/objects.js
 
-const _ = require('lodash')
-
 /**
  * Extract all values from an object into a flat array
  *
diff --git a/app/lib/utils/participants.js b/app/lib/utils/participants.js
index 1c4297e2..ff6cbf7d 100644
--- a/app/lib/utils/participants.js
+++ b/app/lib/utils/participants.js
@@ -1,6 +1,7 @@
 // app/lib/utils/participants.js
 
 const { safe: nunjucksSafe } = require('nunjucks/src/filters')
+
 const riskLevels = require('../../data/risk-levels.js')
 
 /**
diff --git a/app/lib/utils/random.js b/app/lib/utils/random.js
index 4339f117..5ea65957 100644
--- a/app/lib/utils/random.js
+++ b/app/lib/utils/random.js
@@ -1,7 +1,7 @@
 // app/lib/utils/random.js
 
-const weighted = require('weighted')
 const { faker } = require('@faker-js/faker')
+const weighted = require('weighted')
 
 // Keep track of function calls by name for each page render
 let callSequence = {}
diff --git a/app/lib/utils/reading.js b/app/lib/utils/reading.js
index 5ad9035a..e4506c8b 100644
--- a/app/lib/utils/reading.js
+++ b/app/lib/utils/reading.js
@@ -1,8 +1,9 @@
 // app/lib/utils/.js
 
 const dayjs = require('dayjs')
-const { eligibleForReading, getStatusTagColour } = require('./status')
+
 const { isWithinDayRange } = require('./dates')
+const { eligibleForReading, getStatusTagColour } = require('./status')
 
 // /**
 //  * Get first unread event in a clinic
@@ -207,7 +208,6 @@ const calculateReadingMetrics = function (
 
     // Count first/second reads by this user
     events.forEach((event) => {
-      const metadata = getReadingMetadata(event)
       const reads = event.imageReading?.reads
         ? Object.values(event.imageReading.reads)
         : []
@@ -660,9 +660,7 @@ const getFirstAvailableClinic = (data) => {
  * Get all recent clinics that are available for reading
  * Includes completed screening events and reading progress
  */
-const getReadingClinics = (data, options = {}) => {
-  const {} = options
-
+const getReadingClinics = (data) => {
   return data.clinics
     .filter((clinic) =>
       data.events.some((e) => e.clinicId === clinic.id && eligibleForReading(e))
diff --git a/app/lib/utils/regenerate-data.js b/app/lib/utils/regenerate-data.js
index 8633ec03..e5cc4893 100644
--- a/app/lib/utils/regenerate-data.js
+++ b/app/lib/utils/regenerate-data.js
@@ -1,9 +1,11 @@
 // app/lib/utils/regenerate-data.js
 
-const generateData = require('../generate-seed-data')
-const { join, resolve } = require('path')
+const fs = require('node:fs')
+const { join, resolve } = require('node:path')
+
 const dayjs = require('dayjs')
-const fs = require('fs')
+
+const generateData = require('../generate-seed-data')
 
 async function regenerateData(req) {
   const dataDirectory = join(__dirname, '../../data')
@@ -15,11 +17,13 @@ async function regenerateData(req) {
   await generateData()
 
   // Clear the require cache for session data defaults
+  // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
   delete require.cache[require.resolve(sessionDataPath)]
 
   // Clear cache for the generated JSON files
   Object.keys(require.cache).forEach((key) => {
     if (key.startsWith(generatedDataPath)) {
+      // eslint-disable-next-line @typescript-eslint/no-dynamic-delete
       delete require.cache[key]
     }
   })
diff --git a/app/lib/utils/status.js b/app/lib/utils/status.js
index de9978b3..85463c0b 100644
--- a/app/lib/utils/status.js
+++ b/app/lib/utils/status.js
@@ -175,17 +175,6 @@ const getStatusTagColour = (status) => {
     'to_review': 'blue',
     'reviewed': 'green',
 
-    // Image reading
-    'not_started': 'grey',
-    'not_provided': 'grey',
-    'not_read': 'grey',
-    'skipped': 'white',
-
-    // Image reading results
-    'normal': 'green',
-    'recall_for_assessment': 'red',
-    'technical_recall': 'orange',
-
     // Image status
     'available': 'green',
     'requested': 'orange',
@@ -199,10 +188,10 @@ const getStatusTagColour = (status) => {
     // Reading statuses
     'waiting_for_1st_read': 'grey',
     'waiting_for_2nd_read': 'grey',
+    'not_provided': 'grey',
     'not_started': 'grey',
     'skipped': 'grey',
     'not_read': 'grey',
-    'complete': 'green',
     'partial_first_read': 'blue',
     'first_read_complete': 'yellow',
     'partial_second_read': 'blue',
diff --git a/app/routes.js b/app/routes.js
index b2cfdfa7..7d04644c 100644
--- a/app/routes.js
+++ b/app/routes.js
@@ -2,11 +2,12 @@
 
 // External dependencies
 const express = require('express')
+
+const { resetCallSequence } = require('./lib/utils/random')
 const {
   regenerateData,
   needsRegeneration
 } = require('./lib/utils/regenerate-data')
-const { resetCallSequence } = require('./lib/utils/random')
 
 const router = express.Router()
 
diff --git a/app/routes/clinics.js b/app/routes/clinics.js
index 0dddd6eb..9aca583f 100644
--- a/app/routes/clinics.js
+++ b/app/routes/clinics.js
@@ -1,15 +1,12 @@
 // app/routes/clinics.js
 
 const dayjs = require('dayjs')
+
 const { getFilteredClinics, getClinicEvents } = require('../lib/utils/clinics')
-const { filterEventsByStatus } = require('../lib/utils/status')
-const {
-  getReturnUrl,
-  urlWithReferrer,
-  appendReferrer
-} = require('../lib/utils/referrers')
-const { getParticipant } = require('../lib/utils/participants')
 const { updateEventStatus } = require('../lib/utils/event-data')
+const { getParticipant } = require('../lib/utils/participants')
+const { getReturnUrl } = require('../lib/utils/referrers')
+const { filterEventsByStatus } = require('../lib/utils/status')
 
 /**
  * Get clinic and its related data from id
diff --git a/app/routes/events.js b/app/routes/events.js
index 924c252d..6af21e37 100644
--- a/app/routes/events.js
+++ b/app/routes/events.js
@@ -2,14 +2,10 @@
 const dayjs = require('dayjs')
 const _ = require('lodash')
 
-const {
-  getParticipant,
-  getFullName,
-  saveTempParticipantToParticipant
-} = require('../lib/utils/participants')
 const {
   generateMammogramImages
 } = require('../lib/generators/mammogram-generator')
+const { createDynamicTemplateRoute } = require('../lib/utils/dynamic-routing')
 const {
   getEvent,
   saveTempEventToEvent,
@@ -18,11 +14,10 @@ const {
 } = require('../lib/utils/event-data')
 const generateId = require('../lib/utils/id-generator')
 const {
-  getReturnUrl,
-  urlWithReferrer,
-  appendReferrer
-} = require('../lib/utils/referrers')
-const { createDynamicTemplateRoute } = require('../lib/utils/dynamic-routing')
+  getFullName,
+  saveTempParticipantToParticipant
+} = require('../lib/utils/participants')
+const { getReturnUrl, urlWithReferrer } = require('../lib/utils/referrers')
 
 /**
  * Get single event and its related data
@@ -1062,10 +1057,7 @@ module.exports = (router) => {
       const { clinicId, eventId } = req.params
       const data = req.session.data
 
-      const supportTypes = data.event?.specialAppointment?.supportTypes
       const temporaryReasons = data.event?.specialAppointment?.temporaryReasons
-      const temporaryReasonsList =
-        data.event?.specialAppointment?.temporaryReasonsList
 
       if (temporaryReasons === 'no') {
         delete data.event.specialAppointment.temporaryReasonsList
diff --git a/app/routes/participants.js b/app/routes/participants.js
index f33d83be..eaa89e00 100644
--- a/app/routes/participants.js
+++ b/app/routes/participants.js
@@ -1,18 +1,13 @@
 // app/routes/participants.js
 
+const { createDynamicTemplateRoute } = require('../lib/utils/dynamic-routing')
 const {
   getParticipant,
   sortBySurname,
   getParticipantClinicHistory,
   saveTempParticipantToParticipant
 } = require('../lib/utils/participants')
-const { findById } = require('../lib/utils/arrays')
-const { createDynamicTemplateRoute } = require('../lib/utils/dynamic-routing')
-const {
-  getReturnUrl,
-  urlWithReferrer,
-  appendReferrer
-} = require('../lib/utils/referrers')
+const { getReturnUrl } = require('../lib/utils/referrers')
 
 module.exports = (router) => {
   // Set clinics to active in nav for all urls starting with /clinics
diff --git a/app/routes/reading.js b/app/routes/reading.js
index c84840a3..249ee07d 100644
--- a/app/routes/reading.js
+++ b/app/routes/reading.js
@@ -1,13 +1,11 @@
 // app/routes/image-reading.js
-const { getEventData } = require('../lib/utils/event-data')
+const dayjs = require('dayjs')
+
+const generateId = require('../lib/utils/id-generator')
 const {
   getFirstUserReadableEvent,
-  getReadableEventsForClinic,
   getReadingStatusForEvents,
   getReadingClinics,
-  getReadingProgress,
-  hasReads,
-  canUserReadEvent,
   writeReading,
   createReadingBatch,
   getFirstReadableEventInBatch,
@@ -17,9 +15,7 @@ const {
   skipEventInBatch,
   getReadingMetadata
 } = require('../lib/utils/reading')
-const { camelCase, snakeCase } = require('../lib/utils/strings')
-const dayjs = require('dayjs')
-const generateId = require('../lib/utils/id-generator')
+const { snakeCase } = require('../lib/utils/strings')
 
 module.exports = (router) => {
   // Set nav state
@@ -82,7 +78,7 @@ module.exports = (router) => {
 
       // Redirect to the batch view
       res.redirect(`/reading/batch/${batch.id}`)
-    } catch (error) {
+    } catch {
       console.log('Could not load clinic for reading')
       res.redirect('/reading')
     }
@@ -117,7 +113,7 @@ module.exports = (router) => {
         // No readable events, go to batch overview
         res.redirect(`/reading/batch/${batch.id}`)
       }
-    } catch (error) {
+    } catch {
       console.log('Could not start reading clinic')
       res.redirect('/reading')
     }
@@ -347,7 +343,7 @@ module.exports = (router) => {
   router.get(
     '/reading/batch/:batchId/events/:eventId/:step',
     (req, res, next) => {
-      const { batchId, eventId, step } = req.params
+      const { step } = req.params
       const validSteps = [
         'assessment',
         'normal-details',
@@ -520,7 +516,7 @@ module.exports = (router) => {
           //     })
           //   }
           // }
-        } catch (e) {
+        } catch {
           errors.push({
             text: `Mark the location on both ${annotationTemp.side} breast views`,
             name: 'markerPositions',
@@ -618,7 +614,6 @@ module.exports = (router) => {
       if (data.imageReadingTemp?.annotationTemp) {
         const side = annotationTemp.side
         const comment = annotationTemp.comment
-        const isNewAnnotation = !annotationTemp.id
 
         if (!side) {
           return res.redirect(
diff --git a/app/routes/settings.js b/app/routes/settings.js
index 7b3535a7..dcaa1c58 100644
--- a/app/routes/settings.js
+++ b/app/routes/settings.js
@@ -1,6 +1,5 @@
 // app/routes/settings.js
 
-const path = require('path')
 const { regenerateData } = require('../lib/utils/regenerate-data')
 
 module.exports = (router) => {