feat(kanban): Project Pipeline board with drag-and-drop, lead drawer, and full project view

- 44 mock leads across 7 stage columns + 2 bucket columns (Stuck, Follow-up) with seeded activity logs
- dnd-kit drag-and-drop: cross-column card movement, bucket logic, DragOverlay preview
- Campaign toast on stage drop: 20s countdown, Edit button opens message editor, auto-sends if ignored
- KanbanColumn: droppable zones, stage progress bar (position/total), column color accents, Add/Rename/Delete (Admin+Owner)
- KanbanCard: initials avatar, job type pill, insurance badge, assigned agent, days-in-stage counter, left color accent bar
- ColumnManagerModal: add/rename/delete stages with name, color picker, campaign message; delete blocked if leads exist
- LeadInfoDrawer: right slide-in with progress bar + stage steps, Details and Activity tabs, More Details CTA
- ActivityTimeline: color-coded entries (created/forward/regression/bucket), stage arrows, notes, agent + date
- LeadProjectPage: full project view at /*/leads/:leadId — progress bar, stage mover dropdown, info panels, full activity log, stats
- Routes: /*/kanban + /*/leads/:leadId for Owner, Admin, Field Agent
- Pipeline nav item added for all three roles

package.json

@@ -11,6 +11,9 @@
     "preview": "vite preview"
   },
   "dependencies": {
+    "@dnd-kit/core": "^6.3.1",
+    "@dnd-kit/sortable": "^10.0.0",
+    "@dnd-kit/utilities": "^3.2.2",
     "@react-three/drei": "^10.7.7",
     "@react-three/fiber": "^9.5.0",
     "@vercel/analytics": "^1.6.1",
@@ -20,6 +23,8 @@
     "framer-motion": "^12.34.0",
     "groq-sdk": "^0.37.0",
     "gsap": "^3.14.2",
+    "jspdf": "^4.2.1",
+    "jspdf-autotable": "^5.0.7",
     "leaflet": "^1.9.4",
     "lenis": "^1.3.17",
     "lucide-react": "^0.563.0",