Observer platform: mobile fixes, data/UX overhaul, animated nav

- Fix dashboard default round selection to target active round instead of R1
- Move edition selector from dashboard header to hamburger menu via shared context
- Add observer-friendly status labels (Not Reviewed / Under Review / Reviewed)
- Fix pipeline completion: closed rounds show 100%, cap all rates at 100%
- Round badge on projects list shows furthest round reached
- Hide scores/evals for projects with zero evaluations
- Enhance project detail round history with pass/reject indicators from ProjectRoundState
- Remove irrelevant fields (Org Type, Budget, Duration) from project detail
- Clickable juror workload with expandable project assignments
- Humanize activity feed with icons and readable messages
- Fix jurors table: responsive card layout on mobile
- Fix criteria chart: horizontal bars for readable labels on mobile
- Animate hamburger menu open/close with CSS grid transition

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/components/layouts/observer-nav.tsx

@@ -2,11 +2,40 @@
 
 import { BarChart3, Home, FolderKanban } from 'lucide-react'
 import { RoleNav, type NavItem, type RoleNavUser } from '@/components/layouts/role-nav'
+import { useEditionContext } from '@/components/observer/observer-edition-context'
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from '@/components/ui/select'
 
 interface ObserverNavProps {
   user: RoleNavUser
 }
 
+function EditionSelector() {
+  const { programs, selectedProgramId, setSelectedProgramId } = useEditionContext()
+
+  if (programs.length <= 1) return null
+
+  return (
+    <Select value={selectedProgramId} onValueChange={setSelectedProgramId}>
+      <SelectTrigger className="w-full md:w-[180px]">
+        <SelectValue placeholder="Select edition" />
+      </SelectTrigger>
+      <SelectContent>
+        {programs.map((p) => (
+          <SelectItem key={p.id} value={p.id}>
+            {p.year ? `${p.year} Edition` : p.name ?? p.id}
+          </SelectItem>
+        ))}
+      </SelectContent>
+    </Select>
+  )
+}
+
 export function ObserverNav({ user }: ObserverNavProps) {
   const navigation: NavItem[] = [
     {
@@ -32,6 +61,7 @@ export function ObserverNav({ user }: ObserverNavProps) {
       roleName="Observer"
       user={user}
       basePath="/observer"
+      editionSelector={<EditionSelector />}
     />
   )
 }