Requesting priors (#254)

* Generate prior mammograms
* Work on requesting priors
* Add support for local dev settings
* Prior mammogram summaries and code cleanup

Author: edwardhorsford

.gitignore

@@ -77,4 +77,7 @@ coverage
 
 # LLM instructions
 .github
-CLAUDE.md
+CLAUDE.md
+
+# Local setting overrides (personal dev preferences, not for committing)
+*.local.js

app/assets/sass/_misc.scss

@@ -101,3 +101,28 @@ body.js-enabled .app-no-js-only {
     0 0 0 calc(2px + $nhsuk-focus-width) $nhsuk-focus-text-colour,
     0 0 0 calc(2px + $nhsuk-focus-width + 4px) $nhsuk-focus-colour;
 }
+
+// Button styled as a link - for inline form submissions
+.app-link-button {
+  background: none;
+  border: none;
+  padding: 0;
+  color: $nhsuk-link-colour;
+  text-decoration: underline;
+  cursor: pointer;
+  font-size: inherit;
+  font-family: inherit;
+
+  &:hover {
+    color: $nhsuk-link-hover-colour;
+  }
+
+  &:focus {
+    @include nhsuk-focused-text;
+  }
+}
+
+// Inline form with no extra spacing
+.app-inline-form {
+  display: inline;
+}

app/config.js

@@ -77,6 +77,7 @@ module.exports = {
   // Data generation settings
   generation: {
     numberOfParticipants: 1000,
-    bookingProbability: 0.8 // 80% of slots are booked
+    bookingProbability: 0.8, // 80% of slots are booked
+    previousMammogramRate: 0.05 // Rate of completed events with reported previous mammograms
   }
 }

app/data/session-data-defaults.js

@@ -1,5 +1,6 @@
 // app/data/session-data-defaults.js
 
+const _ = require('lodash')
 const users = require('./users')
 // Used to simulate in prototype
 const breastScreeningUnits = require('./breast-screening-units')
@@ -80,7 +81,7 @@ const defaultSettings = {
   }
 }
 
-module.exports = {
+const defaults = {
   users,
   currentUserId: users[0].id,
   currentUser: users[0],
@@ -99,3 +100,13 @@ module.exports = {
   repeatReasons,
   symptomTypes
 }
+
+// Load local overrides if they exist (gitignored, not committed)
+let localOverrides = {}
+try {
+  localOverrides = require('./session-data-defaults.local')
+} catch (err) {
+  // No local overrides file - that's fine
+}
+
+module.exports = _.merge({ ...defaults }, localOverrides)

app/data/session-data-defaults.local.example.js

@@ -0,0 +1,14 @@
+// app/data/session-data-defaults.local.example.js
+//
+// Copy this file to session-data-defaults.local.js to apply local overrides.
+// That file is gitignored and won't be committed.
+// Only include the settings you want to change - they're deep-merged on top of defaults.
+
+module.exports = {
+  settings: {
+    debugMode: 'true',
+    reading: {
+      enableOpinionDelay: 'false'
+    }
+  }
+}

app/lib/generators/event-generator.js

@@ -14,6 +14,7 @@ const {
   generateSpecialAppointment
 } = require('./special-appointment-generator')
 const { generateAppointmentNote } = require('./appointment-note-generator')
+const { generatePreviousMammograms } = require('./previous-mammogram-generator')
 const { getImageSetForEvent } = require('../utils/mammogram-images')
 const users = require('../../data/users')
 const screeningRooms = require('../../data/screening-rooms')
@@ -291,8 +292,14 @@ const generateEvent = ({
         }
       }
 
-      // Pretend some events have previous images requested
-      event.hasRequestedImages = weighted.select({ true: 0.3, false: 0.7 })
+      // Generate previous mammograms (reported mammograms from other facilities)
+      const previousMammograms = generatePreviousMammograms({
+        eventDate: event.timing.actualEndTime || event.timing.actualStartTime,
+        addedByUserId: event.sessionDetails.startedBy
+      })
+      if (previousMammograms) {
+        event.previousMammograms = previousMammograms
+      }
 
       // Generate medical information (symptoms, medical history, etc.)
       // All attributed to the user who ran the appointment