diff --git a/app/controllers/admin/projects_controller.rb b/app/controllers/admin/projects_controller.rb
index c3e64a25..d0c3c314 100644
--- a/app/controllers/admin/projects_controller.rb
+++ b/app/controllers/admin/projects_controller.rb
@@ -90,7 +90,10 @@ def toggle_staff_pick
 
   def restore
     authorize @project
-    @project.undiscard
+    unless @project.undiscard
+      return redirect_to admin_project_path(@project), alert: "Couldn't restore project: #{@project.errors.full_messages.to_sentence}"
+    end
+
     audit!("project.restored", target: @project)
     redirect_to admin_project_path(@project), notice: "Project '#{@project.name}' has been restored."
   end
@@ -882,7 +885,7 @@ def fine_guard_reason(project, params)
       approved_hours: capped_override_hours(project, params[:override_hours]) || project.devlog_hours,
       journal_only: project.devlog_mode.to_s != "git",
       uses_ai: project.uses_ai,
-      has_lapse: project.devlogs.any? { |d| d.lapse_url.present? },
+      has_lapse: project.devlogs.any? { |d| d.lapse_urls.any? },
       red_flags: project.red_flags || []
     )
     blocking = issues.select(&:blocking?)
@@ -1148,7 +1151,7 @@ def serialize_devlog(devlog)
       content: devlog.content,
       time_spent: devlog.time_spent,
       time_hours: devlog.time_hours&.to_f,
-      lapse_url: devlog.lapse_url,
+      lapse_urls: devlog.lapse_urls,
       created_at: devlog.created_at.strftime("%b %d, %Y"),
       meets_requirements: devlog.meets_submission_requirements?,
       content_lost: devlog.content_lost,
diff --git a/app/controllers/admin/reviews_controller.rb b/app/controllers/admin/reviews_controller.rb
index 9c252c89..77e267dd 100644
--- a/app/controllers/admin/reviews_controller.rb
+++ b/app/controllers/admin/reviews_controller.rb
@@ -548,7 +548,7 @@ def serialize_devlog(devlog)
       content: devlog.content,
       time_spent: devlog.time_spent,
       time_hours: devlog.time_hours&.to_f,
-      lapse_url: devlog.lapse_url,
+      lapse_urls: devlog.lapse_urls,
       created_at: devlog.created_at.strftime("%b %d, %Y"),
       created_at_iso: devlog.created_at.iso8601,
       user_id: devlog.user_id,
diff --git a/app/controllers/devlogs_controller.rb b/app/controllers/devlogs_controller.rb
index 7bff624e..483243bc 100644
--- a/app/controllers/devlogs_controller.rb
+++ b/app/controllers/devlogs_controller.rb
@@ -22,7 +22,7 @@ def show
         content: @devlog.content,
         time_spent: @devlog.time_spent,
         time_hours: @devlog.time_hours&.to_f,
-        lapse_url: policy(@devlog).view_lapse_url? ? @devlog.lapse_url : nil,
+        lapse_urls: policy(@devlog).view_lapse_url? ? @devlog.lapse_urls : [],
         created_at: @devlog.created_at.strftime("%B %d, %Y"),
         user_id: @devlog.user_id,
         user_display_name: @devlog.user.display_name,
@@ -130,9 +130,9 @@ def set_project
 
   def devlog_params
     if @project.devlog_mode == "git"
-      params.expect(devlog: [ :lapse_url ])
+      params.expect(devlog: [ lapse_urls: [] ])
     else
-      attrs = params.expect(devlog: [ :title, :content, :time_spent, :lapse_url ])
+      attrs = params.expect(devlog: [ :title, :content, :time_spent, lapse_urls: [] ])
       attrs[:time_spent] = normalize_time_spent(attrs[:time_spent])
       attrs[:time_hours] = TimeSpentParser.parse(attrs[:time_spent])
       attrs
diff --git a/app/controllers/orphaned_lapse_links_controller.rb b/app/controllers/orphaned_lapse_links_controller.rb
index 83717f59..799eec75 100644
--- a/app/controllers/orphaned_lapse_links_controller.rb
+++ b/app/controllers/orphaned_lapse_links_controller.rb
@@ -8,7 +8,7 @@ def relink
     devlog = @project.devlogs.find(params[:devlog_id])
 
     ActiveRecord::Base.transaction do
-      devlog.update!(lapse_url: link.lapse_url)
+      devlog.update!(lapse_urls: devlog.lapse_urls + [ link.lapse_url ])
       link.destroy!
     end
 
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 60b899ae..de883e20 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -558,7 +558,9 @@ def set_project
   end
 
   def project_params
-    params.expect(project: [ :name, :subtitle, :repo_link, :tier, :devlog_mode, :linked_project_id, :uses_ai, :ai_usage, tags: [], hackatime_projects: [] ])
+    fields = [ :name, :subtitle, :repo_link, :tier, :devlog_mode, :uses_ai, :ai_usage, tags: [], hackatime_projects: [] ]
+    fields.unshift(:linked_project_id) if action_name == "create"
+    params.expect(project: fields)
   end
 
   def parent_project_for_new
@@ -717,7 +719,7 @@ def serialize_devlog(devlog)
       content: devlog.content,
       time_spent: devlog.time_spent,
       time_hours: devlog.time_hours&.to_f,
-      lapse_url: policy(devlog).view_lapse_url? ? devlog.lapse_url : nil,
+      lapse_urls: policy(devlog).view_lapse_url? ? devlog.lapse_urls : [],
       created_at: devlog.created_at.strftime("%B %d, %Y"),
       user_id: devlog.user_id,
       user_display_name: devlog.user.display_name,
diff --git a/app/javascript/components/LapseUrlsInput.tsx b/app/javascript/components/LapseUrlsInput.tsx
new file mode 100644
index 00000000..7829d40e
--- /dev/null
+++ b/app/javascript/components/LapseUrlsInput.tsx
@@ -0,0 +1,59 @@
+const MAX_LAPSE_URLS = 10
+
+export default function LapseUrlsInput({
+  value,
+  onChange,
+  placeholder,
+  inputClassName,
+}: {
+  value: string[]
+  onChange: (urls: string[]) => void
+  placeholder: string
+  inputClassName: string
+}) {
+  const urls = value.length > 0 ? value : ['']
+
+  function update(index: number, url: string) {
+    onChange(urls.map((u, i) => (i === index ? url : u)))
+  }
+
+  function remove(index: number) {
+    onChange(urls.filter((_, i) => i !== index))
+  }
+
+  return (
+    <div className="space-y-2">
+      {urls.map((url, index) => (
+        <div key={index} className="flex items-center gap-2">
+          <input
+            type="url"
+            value={url}
+            onChange={(e) => update(index, e.target.value)}
+            className={`flex-1 ${inputClassName}`}
+            placeholder={placeholder}
+          />
+          {urls.length > 1 && (
+            <button
+              type="button"
+              onClick={() => remove(index)}
+              className="text-stone-600 hover:text-red-400 transition-colors cursor-pointer"
+              aria-label="Remove lapse link"
+            >
+              <span className="material-symbols-outlined text-sm">close</span>
+            </button>
+          )}
+        </div>
+      ))}
+      {urls.length < MAX_LAPSE_URLS && (
+        <button
+          type="button"
+          onClick={() => onChange([...urls, ''])}
+          className="text-stone-500 hover:text-[#ffb595] transition-colors cursor-pointer text-xs flex items-center gap-1"
+        >
+          <span className="material-symbols-outlined text-sm">add</span>
+          Add another link
+        </button>
+      )}
+    </div>
+  )
+}
diff --git a/app/javascript/components/TimeSpentHint.tsx b/app/javascript/components/TimeSpentHint.tsx
new file mode 100644
index 00000000..2acc4b31
--- /dev/null
+++ b/app/javascript/components/TimeSpentHint.tsx
@@ -0,0 +1,18 @@
+import { formatHours, parseTimeSpent } from '@/lib/timeSpent'
+
+export default function TimeSpentHint({ value }: { value: string }) {
+  if (!value.trim()) return null
+
+  const hours = parseTimeSpent(value)
+  if (hours === null) {
+    return (
+      <p className="text-xs text-amber-400 mt-1.5">Couldn&apos;t read this time — try something like 3h 30m or 3:30.</p>
+    )
+  }
+
+  return (
+    <p className="text-xs text-stone-500 mt-1.5">
+      Counted as <span className="text-[#ffb595]">{formatHours(hours)}</span> ({hours} {hours === 1 ? 'hour' : 'hours'})
+    </p>
+  )
+}
diff --git a/app/javascript/components/admin/review/ContentTabs.tsx b/app/javascript/components/admin/review/ContentTabs.tsx
index 3c2a107e..5928797a 100644
--- a/app/javascript/components/admin/review/ContentTabs.tsx
+++ b/app/javascript/components/admin/review/ContentTabs.tsx
@@ -1,4 +1,4 @@
-import { useState } from 'react'
+import { Fragment, useState } from 'react'
 import Markdown from 'react-markdown'
 import rehypeRaw from 'rehype-raw'
 import rehypeSanitize from 'rehype-sanitize'
@@ -202,19 +202,19 @@ export function ContentTabs({
                       </span>
                     </>
                   )}
-                  {entry.lapse_url && (
-                    <>
+                  {entry.lapse_urls.map((url, i) => (
+                    <Fragment key={url}>
                       <span className="text-muted-foreground">·</span>
                       <a
-                        href={entry.lapse_url}
+                        href={url}
                         target="_blank"
                         rel="noopener noreferrer"
                         className="flex items-center gap-1 text-foreground hover:underline"
                       >
-                        Lapse ↗
+                        Lapse{entry.lapse_urls.length > 1 ? ` ${i + 1}` : ''} ↗
                       </a>
-                    </>
-                  )}
+                    </Fragment>
+                  ))}
                   {entry.content_lost && <Badge variant="destructive">Content vanished</Badge>}
                   {!entry.content_lost && !entry.meets_requirements && <Badge variant="warning">Below requirements</Badge>}
                   {!isGitJournal && <CopyDevlogLink url={`${origin}/projects/${project.id}/devlogs/${entry.id}`} />}
diff --git a/app/javascript/components/admin/review/JournalDeflationTable.tsx b/app/javascript/components/admin/review/JournalDeflationTable.tsx
index 3b85047e..f0d42696 100644
--- a/app/javascript/components/admin/review/JournalDeflationTable.tsx
+++ b/app/javascript/components/admin/review/JournalDeflationTable.tsx
@@ -121,7 +121,7 @@ export function JournalDeflationTable({
                   <span className="flex flex-wrap items-center gap-1.5 text-[10px] text-muted-foreground">
                     <span>{entry.created_at}</span>
                     {isGroupProject && <span>· {entry.user_display_name}</span>}
-                    {entry.lapse_url && (
+                    {entry.lapse_urls.length > 0 && (
                       <span className="flex items-center gap-0.5">
                         · <Film className="size-2.5" /> lapse
                       </span>
diff --git a/app/javascript/components/admin/review/JournalDigestPanel.tsx b/app/javascript/components/admin/review/JournalDigestPanel.tsx
index 0fbfdaae..f410fbb7 100644
--- a/app/javascript/components/admin/review/JournalDigestPanel.tsx
+++ b/app/javascript/components/admin/review/JournalDigestPanel.tsx
@@ -149,7 +149,7 @@ function WeekRow({
                   {item.entry_date} · {item.chars} chars
                   {!item.has_image && ' · no image'}
                   {item.backfilled && ` · written ${item.written_on}`}
-                  {item.lapse_url && ' · timelapse'}
+                  {item.lapse_urls.length > 0 && ' · timelapse'}
                 </span>
               </a>
               <span
diff --git a/app/javascript/components/admin/review/types.ts b/app/javascript/components/admin/review/types.ts
index 058ecf4d..d76b5a99 100644
--- a/app/javascript/components/admin/review/types.ts
+++ b/app/javascript/components/admin/review/types.ts
@@ -55,7 +55,7 @@ export interface ReviewDevlog {
   content: string
   time_spent: string | null
   time_hours: number | null
-  lapse_url: string | null
+  lapse_urls: string[]
   created_at: string
   created_at_iso: string
   user_id: number
@@ -101,7 +101,7 @@ export interface JournalDigestItem {
   hours: number
   chars: number
   has_image: boolean
-  lapse_url: string | null
+  lapse_urls: string[]
   written_on: string
   backfilled: boolean
   outlier: boolean
diff --git a/app/javascript/lib/justificationPreview.ts b/app/javascript/lib/justificationPreview.ts
index 85917fae..06f0e840 100644
--- a/app/javascript/lib/justificationPreview.ts
+++ b/app/javascript/lib/justificationPreview.ts
@@ -78,7 +78,7 @@ function dateRange(isoValues: (string | null | undefined)[]): string {
 
 export function buildTimeEvidence(
   project: {
-    devlogs: { created_at_iso: string; lapse_url: string | null }[]
+    devlogs: { created_at_iso: string; lapse_urls: string[] }[]
     devlog_hours: number
     commits_url: string | null
   },
@@ -93,7 +93,7 @@ export function buildTimeEvidence(
       `${count} journal ${count === 1 ? 'entry' : 'entries'}${range}, ${formatHours(project.devlog_hours)} logged.`,
     )
 
-    const timelapses = project.devlogs.filter((d) => (d.lapse_url ?? '').trim()).length
+    const timelapses = project.devlogs.reduce((sum, d) => sum + d.lapse_urls.length, 0)
     if (timelapses > 0) parts.push(`${timelapses} timelapse ${timelapses === 1 ? 'link' : 'links'} attached.`)
   }
 
diff --git a/app/javascript/lib/timeSpent.ts b/app/javascript/lib/timeSpent.ts
new file mode 100644
index 00000000..5b850eb9
--- /dev/null
+++ b/app/javascript/lib/timeSpent.ts
@@ -0,0 +1,31 @@
+const round2 = (n: number) => Math.round(n * 100) / 100
+
+// Mirrors lib/time_spent_parser.rb so the preview matches what the server stores.
+export function parseTimeSpent(input: string): number | null {
+  const value = input.trim().toLowerCase()
+  if (!value) return null
+
+  let m = value.match(/(\d+(?:\.\d+)?)\s*h(?:ours?)?\s*[,\s]*(\d+(?:\.\d+)?)\s*m?(?:in(?:utes?)?)?/)
+  if (m) return round2(parseFloat(m[1]) + parseFloat(m[2]) / 60)
+
+  m = value.match(/^(\d+):(\d+)$/)
+  if (m) return round2(parseInt(m[1], 10) + parseInt(m[2], 10) / 60)
+
+  m = value.match(/(\d+(?:\.\d+)?)\s*h(?:ours?)?/)
+  if (m) return round2(parseFloat(m[1]))
+
+  m = value.match(/(\d+(?:\.\d+)?)\s*m(?:in(?:utes?)?)?/)
+  if (m) return round2(parseFloat(m[1]) / 60)
+
+  if (/^\d+(?:\.\d+)?$/.test(value)) return round2(parseFloat(value))
+
+  return null
+}
+
+export function formatHours(hours: number): string {
+  const totalMinutes = Math.round(hours * 60)
+  const h = Math.floor(totalMinutes / 60)
+  const m = totalMinutes % 60
+  if (h === 0) return `${m}m`
+  return m === 0 ? `${h}h` : `${h}h ${m}m`
+}
diff --git a/app/javascript/pages/Admin/Projects/Show.tsx b/app/javascript/pages/Admin/Projects/Show.tsx
index adce3e81..28790dce 100644
--- a/app/javascript/pages/Admin/Projects/Show.tsx
+++ b/app/javascript/pages/Admin/Projects/Show.tsx
@@ -620,17 +620,18 @@ export default function AdminProjectsShow({
                               {entry.time_spent}
                             </span>
                           )}
-                          {entry.lapse_url && (
+                          {entry.lapse_urls.map((url, i) => (
                             <a
-                              href={entry.lapse_url}
+                              key={url}
+                              href={url}
                               target="_blank"
                               rel="noopener noreferrer"
                               className="flex items-center gap-1 text-foreground hover:underline"
                             >
                               <ExternalLink className="size-3" />
-                              Lapse
+                              Lapse{entry.lapse_urls.length > 1 ? ` ${i + 1}` : ''}
                             </a>
-                          )}
+                          ))}
                           <span className="text-muted-foreground">· {entry.created_at}</span>
                         </div>
                         <div className="markdown-content text-sm">
diff --git a/app/javascript/pages/Admin/Reviews/Show.tsx b/app/javascript/pages/Admin/Reviews/Show.tsx
index 5290e0c1..747a83c4 100644
--- a/app/javascript/pages/Admin/Reviews/Show.tsx
+++ b/app/javascript/pages/Admin/Reviews/Show.tsx
@@ -379,7 +379,7 @@ export default function AdminReviewsShow({
             approved < claimed - 0.001
               ? `claimed ${claimed.toFixed(1)}h, approved ${approved.toFixed(1)}h`
               : `${claimed.toFixed(1)}h approved in full`
-          const lapse = e.lapse_url ? ` — timelapse: ${e.lapse_url}` : ''
+          const lapse = e.lapse_urls.length > 0 ? ` — timelapse: ${e.lapse_urls.join(', ')}` : ''
           return `${window.location.origin}/projects/${project.id}#devlog-${e.id} — ${e.created_at}: ${e.title} (${verdict})${lapse}`
         })
         .join('\n'),
@@ -403,7 +403,7 @@ export default function AdminReviewsShow({
         approved_hours: approvedHours,
         repo_link: project.repo_link,
         devlog_count: project.devlogs.length,
-        timelapse_urls: [...new Set(project.devlogs.map((d) => (d.lapse_url ?? '').trim()).filter(Boolean))],
+        timelapse_urls: [...new Set(project.devlogs.flatMap((d) => d.lapse_urls))],
         public_url: `${origin}/projects/${project.id}`,
         admin_url: `${origin}/admin/projects/${project.id}`,
         time_summary: timeSummary,
@@ -578,7 +578,7 @@ export default function AdminReviewsShow({
     }
   }, [project.id, justificationPreview, approvedHours, track])
 
-  const hasLapse = useMemo(() => project.devlogs.some((d) => (d.lapse_url ?? '').trim().length > 0), [project.devlogs])
+  const hasLapse = useMemo(() => project.devlogs.some((d) => d.lapse_urls.length > 0), [project.devlogs])
 
   // Runs on every keystroke against the rule table the server sent, so the
   // reviewer sees the problem while writing. The server re-runs the same rules
diff --git a/app/javascript/pages/Devlogs/Show.tsx b/app/javascript/pages/Devlogs/Show.tsx
index 75e4df22..8ffbfc61 100644
--- a/app/javascript/pages/Devlogs/Show.tsx
+++ b/app/javascript/pages/Devlogs/Show.tsx
@@ -18,7 +18,7 @@ interface Props {
     content: string
     time_spent: string | null
     time_hours: number | null
-    lapse_url: string | null
+    lapse_urls: string[]
     created_at: string
   }
   can_edit: boolean
@@ -38,7 +38,7 @@ export default function DevlogsShow({ project, devlog }: Props) {
         </Link>
 
         <header className="ghost-border bg-[#1c1b1b] p-8 mb-8">
-          {(devlog.time_spent || devlog.lapse_url) && (
+          {(devlog.time_spent || devlog.lapse_urls.length > 0) && (
             <div className="flex items-center gap-3 mb-4 flex-wrap">
               {devlog.time_spent && (
                 <span className="text-[#ffb595] text-xs flex items-center gap-1">
@@ -46,17 +46,18 @@ export default function DevlogsShow({ project, devlog }: Props) {
                   {devlog.time_spent}
                 </span>
               )}
-              {devlog.lapse_url && (
+              {devlog.lapse_urls.map((url, i) => (
                 <a
-                  href={devlog.lapse_url}
+                  key={url}
+                  href={url}
                   target="_blank"
                   rel="noopener noreferrer"
                   className="text-[#ffb595] hover:text-[#ca5924] text-xs flex items-center gap-1"
                 >
                   <span className="material-symbols-outlined text-sm">videocam</span>
-                  Lapse
+                  Lapse{devlog.lapse_urls.length > 1 ? ` ${i + 1}` : ''}
                 </a>
-              )}
+              ))}
             </div>
           )}
 
diff --git a/app/javascript/pages/Projects/Show.tsx b/app/javascript/pages/Projects/Show.tsx
index eda29e7e..8d3bf06b 100644
--- a/app/javascript/pages/Projects/Show.tsx
+++ b/app/javascript/pages/Projects/Show.tsx
@@ -9,6 +9,8 @@ import { formatCoinRate } from '@/lib/tiers'
 import ReviewTimeline, { type ReviewEvent } from '@/components/ReviewTimeline'
 import HackatimePicker from '@/components/HackatimePicker'
 import CoverImageCropper, { type CropRegion } from '@/components/CoverImageCropper'
+import LapseUrlsInput from '@/components/LapseUrlsInput'
+import TimeSpentHint from '@/components/TimeSpentHint'
 import MacondoImportPrompt from '@/components/MacondoImportPrompt'
 
 function isSafeUrl(url: string | null): boolean {
@@ -103,7 +105,7 @@ interface DevlogEntry {
   content: string
   time_spent: string | null
   time_hours: number | null
-  lapse_url: string | null
+  lapse_urls: string[]
   created_at: string
   user_id: number
   user_display_name: string
@@ -404,7 +406,7 @@ export default function ProjectsShow({
     title: '',
     content: '',
     time_spent: '',
-    lapse_url: '',
+    lapse_urls: [] as string[],
   })
 
   const devlogDraftKey = `forge:devlog-draft:${project.id}`
@@ -419,9 +421,9 @@ export default function ProjectsShow({
           title: draft.title || '',
           content: draft.content || '',
           time_spent: draft.time_spent || '',
-          lapse_url: draft.lapse_url || '',
+          lapse_urls: Array.isArray(draft.lapse_urls) ? draft.lapse_urls : [],
         }
-        if (next.title || next.content || next.time_spent || next.lapse_url) {
+        if (next.title || next.content || next.time_spent || next.lapse_urls.some(Boolean)) {
           devlogForm.setData(next)
           setShowDevlogForm(true)
         }
@@ -435,7 +437,7 @@ export default function ProjectsShow({
     if (!devlogDraftRestored.current) return
     const d = devlogForm.data
     try {
-      if (d.title || d.content || d.time_spent || d.lapse_url) {
+      if (d.title || d.content || d.time_spent || d.lapse_urls.some(Boolean)) {
         localStorage.setItem(devlogDraftKey, JSON.stringify(d))
       } else {
         localStorage.removeItem(devlogDraftKey)
@@ -449,7 +451,7 @@ export default function ProjectsShow({
     title: '',
     content: '',
     time_spent: '',
-    lapse_url: '',
+    lapse_urls: [] as string[],
   })
 
   function startEditDevlog(entry: DevlogEntry) {
@@ -458,7 +460,7 @@ export default function ProjectsShow({
       title: entry.title,
       content: entry.content,
       time_spent: entry.time_spent || '',
-      lapse_url: entry.lapse_url || '',
+      lapse_urls: entry.lapse_urls,
     })
   }
 
@@ -479,11 +481,11 @@ export default function ProjectsShow({
   }
 
   const [editingLapseId, setEditingLapseId] = useState<number | null>(null)
-  const lapseForm = useForm({ lapse_url: '' })
+  const lapseForm = useForm({ lapse_urls: [] as string[] })
 
   function startEditLapse(entry: DevlogEntry) {
     setEditingLapseId(entry.id)
-    lapseForm.setData('lapse_url', entry.lapse_url || '')
+    lapseForm.setData('lapse_urls', entry.lapse_urls)
   }
 
   function cancelEditLapse() {
@@ -1457,14 +1459,13 @@ export default function ProjectsShow({
                               ))}
                             </div>
                           )}
+                          <LapseUrlsInput
+                            value={lapseForm.data.lapse_urls}
+                            onChange={(urls) => lapseForm.setData('lapse_urls', urls)}
+                            inputClassName="bg-[#0e0e0e] border-none px-3 py-2 text-[#e5e2e1] focus:ring-1 focus:ring-[#ca5924]/30 placeholder:text-stone-600 text-xs"
+                            placeholder="https://lapse.hackclub.com/timelapse"
+                          />
                           <div className="flex items-center gap-2">
-                            <input
-                              type="url"
-                              value={lapseForm.data.lapse_url}
-                              onChange={(e) => lapseForm.setData('lapse_url', e.target.value)}
-                              className="flex-1 bg-[#0e0e0e] border-none px-3 py-2 text-[#e5e2e1] focus:ring-1 focus:ring-[#ca5924]/30 placeholder:text-stone-600 text-xs"
-                              placeholder="https://lapse.hackclub.com/timelapse"
-                            />
                             <button
                               type="submit"
                               disabled={lapseForm.processing}
@@ -1483,17 +1484,18 @@ export default function ProjectsShow({
                         </form>
                       ) : (
                         <div className="mt-3 pt-3 border-t border-stone-800 flex items-center gap-3">
-                          {entry.lapse_url && (
+                          {entry.lapse_urls.map((url, i) => (
                             <a
-                              href={entry.lapse_url}
+                              key={url}
+                              href={url}
                               target="_blank"
                               rel="noopener noreferrer"
                               className="text-[#ffb595] hover:text-[#ca5924] text-xs flex items-center gap-1"
                             >
                               <span className="material-symbols-outlined text-xs">videocam</span>
-                              Lapse
+                              Lapse{entry.lapse_urls.length > 1 ? ` ${i + 1}` : ''}
                             </a>
-                          )}
+                          ))}
                           {entry.can_edit && (
                             <button
                               onClick={() => startEditLapse(entry)}
@@ -1501,7 +1503,7 @@ export default function ProjectsShow({
                               aria-label="Edit lapse link"
                             >
                               <span className="material-symbols-outlined text-sm">edit</span>
-                              {entry.lapse_url ? 'Edit Lapse Link' : 'Add Lapse Link'}
+                              {entry.lapse_urls.length > 0 ? 'Edit Lapse Links' : 'Add Lapse Link'}
                             </button>
                           )}
                         </div>
@@ -1654,17 +1656,17 @@ export default function ProjectsShow({
                       className="w-full bg-[#0e0e0e] border-none px-4 py-3 text-[#e5e2e1] focus:ring-1 focus:ring-[#ca5924]/30 placeholder:text-stone-600 text-sm"
                       placeholder="e.g. 3 hours"
                     />
+                    <TimeSpentHint value={devlogForm.data.time_spent} />
                   </div>
                   <div>
                     <label className="block text-xs font-bold uppercase tracking-[0.2em] text-stone-500 mb-2">
-                      Lapse Link{' '}
+                      Lapse Links{' '}
                       <span className="text-[#ffb595] normal-case tracking-normal">(highly recommended)</span>
                     </label>
-                    <input
-                      type="url"
-                      value={devlogForm.data.lapse_url}
-                      onChange={(e) => devlogForm.setData('lapse_url', e.target.value)}
-                      className="w-full bg-[#0e0e0e] border-none px-4 py-3 text-[#e5e2e1] focus:ring-1 focus:ring-[#ca5924]/30 placeholder:text-stone-600 text-sm"
+                    <LapseUrlsInput
+                      value={devlogForm.data.lapse_urls}
+                      onChange={(urls) => devlogForm.setData('lapse_urls', urls)}
+                      inputClassName="w-full bg-[#0e0e0e] border-none px-4 py-3 text-[#e5e2e1] focus:ring-1 focus:ring-[#ca5924]/30 placeholder:text-stone-600 text-sm"
                       placeholder="https://lapse.hackclub.com/timelapse/create"
                     />
                     <p className="text-xs text-stone-500 mt-1.5">
@@ -1813,10 +1815,11 @@ export default function ProjectsShow({
                               className="w-full bg-[#0e0e0e] border-none px-4 py-3 text-[#e5e2e1] focus:ring-1 focus:ring-[#ca5924]/30 placeholder:text-stone-600 text-sm"
                               placeholder="e.g. 3 or 3 hours"
                             />
+                            <TimeSpentHint value={editDevlogForm.data.time_spent} />
                           </div>
                           <div>
                             <label className="block text-xs font-bold uppercase tracking-[0.2em] text-stone-500 mb-2">
-                              Lapse Link{' '}
+                              Lapse Links{' '}
                               <span className="text-[#ffb595] normal-case tracking-normal">(highly recommended)</span>
                             </label>
                             {orphaned_lapse_links.length > 0 && (
@@ -1833,11 +1836,10 @@ export default function ProjectsShow({
                                 ))}
                               </div>
                             )}
-                            <input
-                              type="url"
-                              value={editDevlogForm.data.lapse_url}
-                              onChange={(e) => editDevlogForm.setData('lapse_url', e.target.value)}
-                              className="w-full bg-[#0e0e0e] border-none px-4 py-3 text-[#e5e2e1] focus:ring-1 focus:ring-[#ca5924]/30 placeholder:text-stone-600 text-sm"
+                            <LapseUrlsInput
+                              value={editDevlogForm.data.lapse_urls}
+                              onChange={(urls) => editDevlogForm.setData('lapse_urls', urls)}
+                              inputClassName="w-full bg-[#0e0e0e] border-none px-4 py-3 text-[#e5e2e1] focus:ring-1 focus:ring-[#ca5924]/30 placeholder:text-stone-600 text-sm"
                               placeholder="https://lapse.hackclub.com/timelapse"
                             />
                           </div>
@@ -1885,17 +1887,18 @@ export default function ProjectsShow({
                                     {entry.time_spent}
                                   </span>
                                 )}
-                                {entry.lapse_url && (
+                                {entry.lapse_urls.map((url, i) => (
                                   <a
-                                    href={entry.lapse_url}
+                                    key={url}
+                                    href={url}
                                     target="_blank"
                                     rel="noopener noreferrer"
                                     className="text-[#ffb595] hover:text-[#ca5924] text-xs flex items-center gap-1"
                                   >
                                     <span className="material-symbols-outlined text-xs">videocam</span>
-                                    Lapse
+                                    Lapse{entry.lapse_urls.length > 1 ? ` ${i + 1}` : ''}
                                   </a>
-                                )}
+                                ))}
                               </div>
                             </div>
                             {entry.can_edit && (
diff --git a/app/javascript/types/index.ts b/app/javascript/types/index.ts
index a6cecbbe..00feb6cb 100644
--- a/app/javascript/types/index.ts
+++ b/app/javascript/types/index.ts
@@ -266,7 +266,7 @@ export interface AdminDevlog {
   content: string
   time_spent: string | null
   time_hours: number | null
-  lapse_url: string | null
+  lapse_urls: string[]
   created_at: string
   meets_requirements: boolean
   content_lost: boolean
diff --git a/app/jobs/sync_journal_job.rb b/app/jobs/sync_journal_job.rb
index 9135d5c6..5e63ea3b 100644
--- a/app/jobs/sync_journal_job.rb
+++ b/app/jobs/sync_journal_job.rb
@@ -56,11 +56,11 @@ def perform(project_id, clear: false)
     preserved_lapse_urls = {}
 
     if clear
-      project.devlogs.where.not(lapse_url: [ nil, "" ]).find_each do |d|
+      project.devlogs.where("cardinality(lapse_urls) > 0").find_each do |d|
         if current_titles.include?(d.title)
-          preserved_lapse_urls[d.title] = d.lapse_url
+          preserved_lapse_urls[d.title] = d.lapse_urls
         else
-          stash_orphaned_lapse_link!(project, d.title, d.lapse_url)
+          stash_orphaned_lapse_links!(project, d.title, d.lapse_urls)
         end
       end
       project.devlogs.delete_all
@@ -106,13 +106,13 @@ def perform(project_id, clear: false)
     end
 
     if clear
-      preserved_lapse_urls.each do |title, lapse_url|
-        project.devlogs.where(title: title).update_all(lapse_url: lapse_url)
+      preserved_lapse_urls.each do |title, lapse_urls|
+        project.devlogs.where(title: title).update_all(lapse_urls: lapse_urls)
       end
     else
-      project.devlogs.where.not(lapse_url: [ nil, "" ]).where.not(title: current_titles).find_each do |d|
-        stash_orphaned_lapse_link!(project, d.title, d.lapse_url)
-        d.update_column(:lapse_url, nil)
+      project.devlogs.where("cardinality(lapse_urls) > 0").where.not(title: current_titles).find_each do |d|
+        stash_orphaned_lapse_links!(project, d.title, d.lapse_urls)
+        d.update_column(:lapse_urls, [])
       end
     end
 
@@ -123,10 +123,26 @@ def perform(project_id, clear: false)
 
   private
 
-  def stash_orphaned_lapse_link!(project, title, lapse_url)
-    link = OrphanedLapseLink.find_or_initialize_by(project: project, title: title)
-    link.lapse_url = lapse_url
-    link.save!
+  def stash_orphaned_lapse_links!(project, title, lapse_urls)
+    urls = lapse_urls.uniq
+    return if urls.empty?
+
+    existing_urls = OrphanedLapseLink.where(project: project, title: title, lapse_url: urls).pluck(:lapse_url)
+    missing_urls = urls - existing_urls
+    return if missing_urls.empty?
+
+    now = Time.current
+    rows = missing_urls.map do |lapse_url|
+      {
+        project_id: project.id,
+        title: title,
+        lapse_url: lapse_url,
+        created_at: now,
+        updated_at: now
+      }
+    end
+
+    OrphanedLapseLink.insert_all!(rows)
   end
 
   def parse_repo_url(url)
diff --git a/app/lib/justification_template.rb b/app/lib/justification_template.rb
index 4af72134..083d57fa 100644
--- a/app/lib/justification_template.rb
+++ b/app/lib/justification_template.rb
@@ -128,7 +128,7 @@ def self.supporting_evidence(project, fields)
       "- Public project page: #{public_project_url(project)}",
       "- Devlogs: #{count} #{count == 1 ? 'entry' : 'entries'}"
     ]
-    lapse_urls = project.devlogs.map(&:lapse_url).map(&:presence).compact.uniq
+    lapse_urls = project.devlogs.flat_map(&:lapse_urls).uniq
     lines << "- Timelapse links: #{lapse_urls.join(', ')}" if lapse_urls.any?
     fields[:evidence].to_s.split("\n").map(&:strip).reject(&:blank?).each { |line| lines << "- #{line}" }
     lines.join("\n")
diff --git a/app/models/devlog.rb b/app/models/devlog.rb
index 87f85387..bda85283 100644
--- a/app/models/devlog.rb
+++ b/app/models/devlog.rb
@@ -7,7 +7,7 @@
 #  content         :text
 #  content_lost    :boolean          default(FALSE), not null
 #  entry_date      :date
-#  lapse_url       :string
+#  lapse_urls      :string           default([]), not null, is an Array
 #  review_feedback :text
 #  reviewed_at     :datetime
 #  status          :integer          default("draft"), not null
@@ -35,6 +35,9 @@
 #  fk_rails_...  (user_id => users.id)
 #
 class Devlog < ApplicationRecord
+  MAX_LAPSE_URLS = 10
+  LAPSE_URL_FORMAT = /\Ahttps?:\/\/\S+\z/i
+
   has_paper_trail
 
   belongs_to :project
@@ -52,7 +55,9 @@ class Devlog < ApplicationRecord
 
   validates :title, presence: true
   validates :content, presence: true
-  validates :lapse_url, format: { with: /\Ahttps?:\/\/\S+\z/i, message: "must be a valid URL" }, allow_blank: true
+  validate :lapse_urls_must_be_valid
+
+  normalizes :lapse_urls, with: ->(urls) { Array(urls).map { |u| u.to_s.strip }.compact_blank.uniq }, apply_to_nil: true
 
   default_scope { order(id: :desc) }
 
@@ -83,6 +88,11 @@ def requirement_validation_details
 
   private
 
+  def lapse_urls_must_be_valid
+    errors.add(:lapse_urls, "can't have more than #{MAX_LAPSE_URLS} links") if lapse_urls.size > MAX_LAPSE_URLS
+    errors.add(:lapse_urls, "must be valid URLs") unless lapse_urls.all? { |u| u.match?(LAPSE_URL_FORMAT) }
+  end
+
   def recredit_streak_day
     return if user.blank?
 
diff --git a/app/models/project.rb b/app/models/project.rb
index 688161c2..e722c9d7 100644
--- a/app/models/project.rb
+++ b/app/models/project.rb
@@ -68,7 +68,7 @@
 #  index_projects_on_discarded_at                         (discarded_at)
 #  index_projects_on_flagged_by_id                        (flagged_by_id)
 #  index_projects_on_flagged_for_review_at                (flagged_for_review_at)
-#  index_projects_on_linked_project_id_for_build_reviews  (linked_project_id) UNIQUE WHERE (build_review = true)
+#  index_projects_on_linked_project_id_for_build_reviews  (linked_project_id) UNIQUE WHERE ((build_review = true) AND (discarded_at IS NULL))
 #  index_projects_on_macondo_project_id                   (macondo_project_id) UNIQUE
 #  index_projects_on_parent_project_id                    (parent_project_id)
 #  index_projects_on_requirements_checked_at              (requirements_checked_at)
@@ -148,6 +148,7 @@ class Project < ApplicationRecord
   validates :tier, inclusion: { in: ALL_TIERS }
   validate :build_review_consistency
   validate :linked_project_must_be_approved_and_owned
+  validates :linked_project_id, uniqueness: { conditions: -> { kept.build_reviews }, message: "already has a build review" }, allow_nil: true, if: -> { build_review? && !discarded? }
   validate :parent_project_must_be_owned_top_level_project
   validate :subproject_tier_within_parent
 
diff --git a/app/services/journal_digest.rb b/app/services/journal_digest.rb
index d20b4e25..41d6c699 100644
--- a/app/services/journal_digest.rb
+++ b/app/services/journal_digest.rb
@@ -28,7 +28,7 @@ def build(project)
       "last_entry_on" => date_of(entries.last)&.to_s,
       "span_days" => span_days(entries),
       "with_images" => entries.count { |e| image?(e) },
-      "with_lapse" => entries.count { |e| e.lapse_url.present? },
+      "with_lapse" => entries.count { |e| e.lapse_urls.any? },
       "weeks" => weeks,
       "signals" => signals(entries, weeks)
     }
@@ -44,7 +44,7 @@ def group_by_week(entries)
         "entries" => group.size,
         "hours" => group.sum { |e| e.parsed_hours.to_f }.round(1),
         "with_images" => group.count { |e| image?(e) },
-        "lapse_urls" => group.filter_map { |e| e.lapse_url.presence }.uniq,
+        "lapse_urls" => group.flat_map(&:lapse_urls).uniq,
         "items" => group.map { |e| item(e) }
       }
     end
@@ -58,7 +58,7 @@ def item(entry)
       "hours" => entry.parsed_hours.to_f.round(2),
       "chars" => entry.content.to_s.strip.length,
       "has_image" => image?(entry),
-      "lapse_url" => entry.lapse_url.presence,
+      "lapse_urls" => entry.lapse_urls,
       "written_on" => entry.created_at.to_date.to_s,
       "backfilled" => backfilled?(entry),
       "outlier" => entry.parsed_hours.to_f > OUTLIER_HOURS
diff --git a/db/migrate/20261011014347_scope_build_review_link_index_to_kept_projects.rb b/db/migrate/20261011014347_scope_build_review_link_index_to_kept_projects.rb
new file mode 100644
index 00000000..5ab96a32
--- /dev/null
+++ b/db/migrate/20261011014347_scope_build_review_link_index_to_kept_projects.rb
@@ -0,0 +1,10 @@
+class ScopeBuildReviewLinkIndexToKeptProjects < ActiveRecord::Migration[8.1]
+  def change
+    remove_index :projects, :linked_project_id, unique: true,
+      where: "build_review = true",
+      name: "index_projects_on_linked_project_id_for_build_reviews"
+    add_index :projects, :linked_project_id, unique: true,
+      where: "build_review = true AND discarded_at IS NULL",
+      name: "index_projects_on_linked_project_id_for_build_reviews"
+  end
+end
diff --git a/db/migrate/20261014103030_change_devlogs_lapse_url_to_lapse_urls.rb b/db/migrate/20261014103030_change_devlogs_lapse_url_to_lapse_urls.rb
new file mode 100644
index 00000000..8a9062e1
--- /dev/null
+++ b/db/migrate/20261014103030_change_devlogs_lapse_url_to_lapse_urls.rb
@@ -0,0 +1,13 @@
+class ChangeDevlogsLapseUrlToLapseUrls < ActiveRecord::Migration[8.1]
+  def up
+    add_column :devlogs, :lapse_urls, :string, array: true, default: [], null: false
+    execute "UPDATE devlogs SET lapse_urls = ARRAY[lapse_url] WHERE lapse_url IS NOT NULL AND lapse_url <> ''"
+    remove_column :devlogs, :lapse_url
+  end
+
+  def down
+    add_column :devlogs, :lapse_url, :string
+    execute "UPDATE devlogs SET lapse_url = lapse_urls[1]"
+    remove_column :devlogs, :lapse_urls
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index c006ea35..d4fb60d8 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema[8.1].define(version: 2026_10_12_104041) do
+ActiveRecord::Schema[8.1].define(version: 2026_10_14_103030) do
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_catalog.plpgsql"
 
@@ -178,7 +178,7 @@
     t.boolean "content_lost", default: false, null: false
     t.datetime "created_at", null: false
     t.date "entry_date"
-    t.string "lapse_url"
+    t.string "lapse_urls", default: [], null: false, array: true
     t.bigint "project_id", null: false
     t.text "review_feedback"
     t.datetime "reviewed_at"
@@ -377,7 +377,7 @@
     t.index ["discarded_at"], name: "index_projects_on_discarded_at"
     t.index ["flagged_by_id"], name: "index_projects_on_flagged_by_id"
     t.index ["flagged_for_review_at"], name: "index_projects_on_flagged_for_review_at"
-    t.index ["linked_project_id"], name: "index_projects_on_linked_project_id_for_build_reviews", unique: true, where: "(build_review = true)"
+    t.index ["linked_project_id"], name: "index_projects_on_linked_project_id_for_build_reviews", unique: true, where: "((build_review = true) AND (discarded_at IS NULL))"
     t.index ["macondo_project_id"], name: "index_projects_on_macondo_project_id", unique: true
     t.index ["parent_project_id"], name: "index_projects_on_parent_project_id"
     t.index ["requirements_checked_at"], name: "index_projects_on_requirements_checked_at"
diff --git a/lib/tasks/audit_fabricated_devlogs.rake b/lib/tasks/audit_fabricated_devlogs.rake
index 309e4d30..7b84d53f 100644
--- a/lib/tasks/audit_fabricated_devlogs.rake
+++ b/lib/tasks/audit_fabricated_devlogs.rake
@@ -79,7 +79,7 @@ namespace :devlogs do
         puts "  orphan devlogs: #{r[:orphans].size}  headings in journal: #{r[:heading_count]}  hours: #{r[:hours].round(2)}"
         puts "  journal format: #{r[:journal_format]}"
         r[:orphans].each do |d|
-          flag = d.lapse_url.present? ? " [has lapse_url]" : ""
+          flag = d.lapse_urls.any? ? " [has lapse_urls]" : ""
           puts "    ##{d.id}  #{d.entry_date}  #{d.time_hours.to_f.round(2)}h  #{d.title.truncate(60).inspect}#{flag}"
         end
         puts
diff --git a/lib/tasks/restore_build_review_links.rake b/lib/tasks/restore_build_review_links.rake
new file mode 100644
index 00000000..5d608abc
--- /dev/null
+++ b/lib/tasks/restore_build_review_links.rake
@@ -0,0 +1,44 @@
+namespace :projects do
+  desc "Restore build review links cleared by project edits and mark linked projects built. DRY_RUN=1 to preview."
+  task restore_build_review_links: :environment do
+    dry_run = ENV["DRY_RUN"].present?
+    restored = 0
+    marked_built = 0
+
+    Project.kept.where(build_review: true, linked_project_id: nil).find_each do |review|
+      previous_id = review.versions.reorder(created_at: :desc, id: :desc).lazy.filter_map { |v| v.reify&.linked_project_id }.first
+      next unless previous_id
+
+      target = Project.kept.find_by(id: previous_id, user_id: review.user_id, build_review: false)
+      if target.nil?
+        puts "✗ Build review #{review.id}: previous link #{previous_id} no longer valid"
+        next
+      end
+      if Project.kept.where(build_review: true, linked_project_id: target.id).exists?
+        puts "✗ Build review #{review.id}: project #{target.id} already has another build review"
+        next
+      end
+
+      review.update_column(:linked_project_id, target.id) unless dry_run
+      restored += 1
+      puts "✓ Build review #{review.id}: relinked to project #{target.id} (#{target.name})"
+    end
+
+    Project.kept.where(build_review: true, status: :approved).where.not(linked_project_id: nil).includes(:linked_project).find_each do |review|
+      target = review.linked_project
+      next if target.nil? || target.built?
+
+      unless dry_run
+        unless target.update(built_at: review.reviewed_at || Time.current)
+          puts "✗ Project #{target.id}: #{target.errors.full_messages.join(', ')}"
+          next
+        end
+        AuditEvent.create!(action: "project.marked_built", target: target, target_label: target.name, metadata: { via: "build_review_backfill", build_review_id: review.id })
+      end
+      marked_built += 1
+      puts "✓ Project #{target.id} (#{target.name}): marked built via build review #{review.id}"
+    end
+
+    puts "\n#{dry_run ? '[DRY RUN] ' : ''}Relinked: #{restored}, marked built: #{marked_built}"
+  end
+end
diff --git a/test/controllers/devlogs_lapse_url_test.rb b/test/controllers/devlogs_lapse_url_test.rb
index 649e7c4a..06213015 100644
--- a/test/controllers/devlogs_lapse_url_test.rb
+++ b/test/controllers/devlogs_lapse_url_test.rb
@@ -28,7 +28,7 @@ def sign_in_as(user)
   setup do
     @owner = make_user
     @project = @owner.projects.create!(name: "Macropad", tier: "tier_4", status: :draft, devlog_mode: "website")
-    @devlog = @project.devlogs.create!(user: @owner, title: "Entry", content: "Did things", lapse_url: "https://lapse.hackclub.com/timelapse/abc")
+    @devlog = @project.devlogs.create!(user: @owner, title: "Entry", content: "Did things", lapse_urls: [ "https://lapse.hackclub.com/timelapse/abc" ])
   end
 
   test "an anonymous visitor does not see the lapse_url on the project page" do
@@ -36,7 +36,7 @@ def sign_in_as(user)
 
     assert_response :success
     entry = inertia.props[:devlogs].find { |d| d[:id] == @devlog.id }
-    assert_nil entry[:lapse_url]
+    assert_empty entry[:lapse_urls]
   end
 
   test "a random signed-in user does not see the lapse_url" do
@@ -45,7 +45,7 @@ def sign_in_as(user)
     get project_path(@project)
 
     entry = inertia.props[:devlogs].find { |d| d[:id] == @devlog.id }
-    assert_nil entry[:lapse_url]
+    assert_empty entry[:lapse_urls]
   end
 
   test "the project owner sees the lapse_url" do
@@ -54,7 +54,7 @@ def sign_in_as(user)
     get project_path(@project)
 
     entry = inertia.props[:devlogs].find { |d| d[:id] == @devlog.id }
-    assert_equal @devlog.lapse_url, entry[:lapse_url]
+    assert_equal @devlog.lapse_urls, entry[:lapse_urls]
   end
 
   test "an admin sees the lapse_url" do
@@ -63,7 +63,7 @@ def sign_in_as(user)
     get project_path(@project)
 
     entry = inertia.props[:devlogs].find { |d| d[:id] == @devlog.id }
-    assert_equal @devlog.lapse_url, entry[:lapse_url]
+    assert_equal @devlog.lapse_urls, entry[:lapse_urls]
   end
 
   test "a reviewer sees the lapse_url" do
@@ -72,14 +72,14 @@ def sign_in_as(user)
     get project_path(@project)
 
     entry = inertia.props[:devlogs].find { |d| d[:id] == @devlog.id }
-    assert_equal @devlog.lapse_url, entry[:lapse_url]
+    assert_equal @devlog.lapse_urls, entry[:lapse_urls]
   end
 
   test "the single devlog page also hides the lapse_url from unauthorized viewers" do
     get project_devlog_path(@project, @devlog)
 
     assert_response :success
-    assert_nil inertia.props[:devlog][:lapse_url]
+    assert_empty inertia.props[:devlog][:lapse_urls]
   end
 
   test "a git-mode devlog update can only change the lapse_url, even if other fields are submitted" do
@@ -88,14 +88,14 @@ def sign_in_as(user)
     sign_in_as(@owner)
 
     patch project_devlog_path(@project, @devlog), params: {
-      devlog: { title: "Hijacked", content: "Hijacked content", time_spent: "99 hours", lapse_url: "https://lapse.hackclub.com/timelapse/new" }
+      devlog: { title: "Hijacked", content: "Hijacked content", time_spent: "99 hours", lapse_urls: [ "https://lapse.hackclub.com/timelapse/new" ] }
     }
 
     @devlog.reload
     assert_equal "Original", @devlog.title
     assert_equal "Original content", @devlog.content
     assert_equal "1 hour", @devlog.time_spent
-    assert_equal "https://lapse.hackclub.com/timelapse/new", @devlog.lapse_url
+    assert_equal [ "https://lapse.hackclub.com/timelapse/new" ], @devlog.lapse_urls
   end
 
   test "a website-mode devlog update can still change all fields" do
@@ -103,11 +103,11 @@ def sign_in_as(user)
 
     content = "Updated content describing what was built in plenty of detail. " * 3 + "![screenshot](https://example.com/a.png)"
     patch project_devlog_path(@project, @devlog), params: {
-      devlog: { title: "Updated", content: content, time_spent: "2 hours", lapse_url: "https://lapse.hackclub.com/timelapse/new" }
+      devlog: { title: "Updated", content: content, time_spent: "2 hours", lapse_urls: [ "https://lapse.hackclub.com/timelapse/new" ] }
     }
 
     @devlog.reload
     assert_equal "Updated", @devlog.title
-    assert_equal "https://lapse.hackclub.com/timelapse/new", @devlog.lapse_url
+    assert_equal [ "https://lapse.hackclub.com/timelapse/new" ], @devlog.lapse_urls
   end
 end
diff --git a/test/controllers/orphaned_lapse_links_controller_test.rb b/test/controllers/orphaned_lapse_links_controller_test.rb
index 3c26d834..f764dfed 100644
--- a/test/controllers/orphaned_lapse_links_controller_test.rb
+++ b/test/controllers/orphaned_lapse_links_controller_test.rb
@@ -38,7 +38,7 @@ def sign_in_as(user)
     patch relink_project_orphaned_lapse_link_path(@project, @link), params: { devlog_id: @devlog.id }
 
     assert_redirected_to project_path(@project)
-    assert_equal "https://lapse.hackclub.com/timelapse/old", @devlog.reload.lapse_url
+    assert_equal [ "https://lapse.hackclub.com/timelapse/old" ], @devlog.reload.lapse_urls
     assert_not OrphanedLapseLink.exists?(@link.id)
   end
 
@@ -55,7 +55,7 @@ def sign_in_as(user)
     sign_in_as(make_user)
 
     patch relink_project_orphaned_lapse_link_path(@project, @link), params: { devlog_id: @devlog.id }
-    assert_nil @devlog.reload.lapse_url
+    assert_empty @devlog.reload.lapse_urls
     assert OrphanedLapseLink.exists?(@link.id)
 
     delete project_orphaned_lapse_link_path(@project, @link)
@@ -67,6 +67,6 @@ def sign_in_as(user)
 
     patch relink_project_orphaned_lapse_link_path(@project, @link), params: { devlog_id: @devlog.id }
 
-    assert_equal "https://lapse.hackclub.com/timelapse/old", @devlog.reload.lapse_url
+    assert_equal [ "https://lapse.hackclub.com/timelapse/old" ], @devlog.reload.lapse_urls
   end
 end
diff --git a/test/fixtures/projects.yml b/test/fixtures/projects.yml
index b76d3516..97584f4a 100644
--- a/test/fixtures/projects.yml
+++ b/test/fixtures/projects.yml
@@ -70,7 +70,7 @@
 #  index_projects_on_discarded_at                         (discarded_at)
 #  index_projects_on_flagged_by_id                        (flagged_by_id)
 #  index_projects_on_flagged_for_review_at                (flagged_for_review_at)
-#  index_projects_on_linked_project_id_for_build_reviews  (linked_project_id) UNIQUE WHERE (build_review = true)
+#  index_projects_on_linked_project_id_for_build_reviews  (linked_project_id) UNIQUE WHERE ((build_review = true) AND (discarded_at IS NULL))
 #  index_projects_on_macondo_project_id                   (macondo_project_id) UNIQUE
 #  index_projects_on_parent_project_id                    (parent_project_id)
 #  index_projects_on_requirements_checked_at              (requirements_checked_at)
diff --git a/test/jobs/sync_journal_job_test.rb b/test/jobs/sync_journal_job_test.rb
index 3348a795..d3b18e51 100644
--- a/test/jobs/sync_journal_job_test.rb
+++ b/test/jobs/sync_journal_job_test.rb
@@ -141,42 +141,42 @@ def run_job(journal, commit_date: nil, clear: false)
     assert_not_nil @project.reload.journal_synced_at
   end
 
-  test "a normal resync never touches an existing lapse_url" do
+  test "a normal resync never touches an existing lapse_urls" do
     run_job("# Wiring\n\n**Total time spent: 30m**\n", commit_date: @today)
     devlog = Devlog.find_by(project: @project, title: "Wiring")
-    devlog.update!(lapse_url: "https://lapse.hackclub.com/timelapse/abc")
+    devlog.update!(lapse_urls: [ "https://lapse.hackclub.com/timelapse/abc" ])
 
     run_job("# Wiring\n\n**Total time spent: 2h**\n", commit_date: @today)
 
-    assert_equal "https://lapse.hackclub.com/timelapse/abc", devlog.reload.lapse_url
+    assert_equal [ "https://lapse.hackclub.com/timelapse/abc" ], devlog.reload.lapse_urls
   end
 
   test "a normal resync moves a lapse_url into an orphaned link when its title disappears" do
     run_job("# Wiring\n\n**Total time spent: 30m**\n", commit_date: @today)
     devlog = Devlog.find_by(project: @project, title: "Wiring")
-    devlog.update!(lapse_url: "https://lapse.hackclub.com/timelapse/abc")
+    devlog.update!(lapse_urls: [ "https://lapse.hackclub.com/timelapse/abc" ])
 
     run_job("# Soldering\n\n**Total time spent: 1h**\n", commit_date: @today)
 
-    assert_nil devlog.reload.lapse_url
+    assert_empty devlog.reload.lapse_urls
     link = @project.orphaned_lapse_links.find_by(title: "Wiring")
     assert_equal "https://lapse.hackclub.com/timelapse/abc", link.lapse_url
   end
 
   test "a clear resync restores a lapse_url when the title still exists" do
     run_job("# Wiring\n\n**Total time spent: 30m**\n", commit_date: @today)
-    Devlog.find_by(project: @project, title: "Wiring").update!(lapse_url: "https://lapse.hackclub.com/timelapse/abc")
+    Devlog.find_by(project: @project, title: "Wiring").update!(lapse_urls: [ "https://lapse.hackclub.com/timelapse/abc" ])
 
     run_job("# Wiring\n\n**Total time spent: 2h**\n", commit_date: @today, clear: true)
 
     devlog = Devlog.find_by(project: @project, title: "Wiring")
-    assert_equal "https://lapse.hackclub.com/timelapse/abc", devlog.lapse_url
+    assert_equal [ "https://lapse.hackclub.com/timelapse/abc" ], devlog.lapse_urls
     assert_equal 0, @project.orphaned_lapse_links.count
   end
 
   test "a clear resync preserves a vanished title's lapse_url as an orphaned link instead of losing it" do
     run_job("# Wiring\n\n**Total time spent: 30m**\n", commit_date: @today)
-    Devlog.find_by(project: @project, title: "Wiring").update!(lapse_url: "https://lapse.hackclub.com/timelapse/abc")
+    Devlog.find_by(project: @project, title: "Wiring").update!(lapse_urls: [ "https://lapse.hackclub.com/timelapse/abc" ])
 
     run_job("# Soldering\n\n**Total time spent: 1h**\n", commit_date: @today, clear: true)
 
diff --git a/test/models/project_test.rb b/test/models/project_test.rb
index 32b27e91..d3b7c429 100644
--- a/test/models/project_test.rb
+++ b/test/models/project_test.rb
@@ -68,7 +68,7 @@
 #  index_projects_on_discarded_at                         (discarded_at)
 #  index_projects_on_flagged_by_id                        (flagged_by_id)
 #  index_projects_on_flagged_for_review_at                (flagged_for_review_at)
-#  index_projects_on_linked_project_id_for_build_reviews  (linked_project_id) UNIQUE WHERE (build_review = true)
+#  index_projects_on_linked_project_id_for_build_reviews  (linked_project_id) UNIQUE WHERE ((build_review = true) AND (discarded_at IS NULL))
 #  index_projects_on_macondo_project_id                   (macondo_project_id) UNIQUE
 #  index_projects_on_parent_project_id                    (parent_project_id)
 #  index_projects_on_requirements_checked_at              (requirements_checked_at)
diff --git a/test/services/journal_digest_test.rb b/test/services/journal_digest_test.rb
index 2a9819e5..21b965e8 100644
--- a/test/services/journal_digest_test.rb
+++ b/test/services/journal_digest_test.rb
@@ -6,10 +6,10 @@ class JournalDigestTest < ActiveSupport::TestCase
     @user = @project.user
   end
 
-  def entry(entry_date:, hours:, content: "x" * 300, created_at: nil, lapse_url: nil, title: "Entry")
+  def entry(entry_date:, hours:, content: "x" * 300, created_at: nil, lapse_urls: [], title: "Entry")
     @project.devlogs.create!(
       user: @user, title: title, content: content, time_hours: hours,
-      entry_date: entry_date, lapse_url: lapse_url,
+      entry_date: entry_date, lapse_urls: lapse_urls,
       created_at: created_at || entry_date.to_time
     )
   end
@@ -72,7 +72,7 @@ def entry(entry_date:, hours:, content: "x" * 300, created_at: nil, lapse_url: n
 
   test "counts images and timelapse links" do
     entry(entry_date: Date.new(2026, 2, 3), hours: 1.0, content: "progress ![shot](a.png) #{'x' * 200}")
-    entry(entry_date: Date.new(2026, 2, 4), hours: 1.0, lapse_url: "https://example.com/lapse")
+    entry(entry_date: Date.new(2026, 2, 4), hours: 1.0, lapse_urls: [ "https://example.com/lapse" ])
 
     digest = JournalDigest.build(@project)
     assert_equal 1, digest["with_images"]