ROADMAP.md

@@ -112,6 +112,19 @@
   - [x] `GET /api/breeding/heat-cycles` endpoint
   - [x] `GET /api/breeding/heat-cycles/:id/suggestions` endpoint
 
+- [x] **Projected Whelping Calendar Identifier** ✅ *(March 9, 2026 — v0.5.1)*
+  - [x] Gestation constants: earliest=58, expected=63, latest=65 days
+  - [x] `getWhelpDates(cycle)` client-side helper (no extra API call)
+  - [x] Indigo whelp window cells (days 58–65) on calendar grid
+  - [x] Indigo dot marker on expected whelp day (day 63)
+  - [x] `Baby` icon + "[Name] due" label inside whelp day cells
+  - [x] "Whelp est. [date]" row with range on active cycle cards
+  - [x] Jump-to-whelp-month button on active cycle cards
+  - [x] Live whelp preview in Cycle Detail modal (client-side, instant)
+  - [x] Full-width whelping banner when projected whelps exist
+  - [x] "Projected Whelp" legend entry with Baby icon
+  - [x] Updated page subtitle to include whelping dates
+
 ---
 
 ## 📋 Phase 4: Health & Genetics (NEXT UP)
@@ -225,7 +238,13 @@
 
 ## 🌕 Current Sprint: v0.6.0
 
-### ✅ Completed This Sprint (v0.5.0)
+### ✅ Completed This Sprint (v0.5.1)
+- [x] Projected Whelping Calendar Identifier — indigo whelp window cells, due label, active card range, jump-to-month button
+- [x] Live whelp preview in Cycle Detail modal (client-side, no save required)
+- [x] Full-width whelping banner for months with projected whelps
+- [x] "Projected Whelp" legend entry + updated page subtitle
+
+### ✅ Previously Completed (v0.5.0)
 - [x] Trial Pairing Simulator — `/pairing` route, COI%, risk badge, common ancestors
 - [x] Heat Cycle Calendar — month grid, phase color coding, start-cycle modal
 - [x] Cycle Detail modal — breeding windows, inline breeding date, whelping estimate
@@ -234,7 +253,7 @@
 
 ### 🔧 Next Up (Priority Order)
 
-#### Option 1: Health Records System (Recommended) 👆
+#### Option 1: Health Records System (Recommended) 💡
 **Complexity:** Medium | **Impact:** High | **User Value:** Excellent
 
 **Why this is recommended:**
@@ -284,6 +303,7 @@
 - [x] Static asset serving in prod and dev
 - [ ] Trial pairing simulator (end-to-end)
 - [ ] Heat cycle calendar (start cycle, detail modal, whelping)
+- [ ] Projected whelping calendar identifier (whelp cells, due label, banner)
 - [ ] Health records
 
 ### Known Issues
@@ -301,6 +321,16 @@
 
 ## Version History
 
+- **v0.5.1** (March 9, 2026) - Projected Whelping Calendar Identifier
+  - Indigo whelp window cells (days 58–65) on month grid
+  - Indigo dot marker on exact expected whelp day (day 63)
+  - `Baby` icon + "[Name] due" label in whelp day cells
+  - "Whelp est." range row on active cycle cards
+  - Jump-to-whelp-month button on cycle cards
+  - Live whelp preview in Cycle Detail modal (client-side, instant)
+  - Full-width whelping banner when projected whelps exist
+  - "Projected Whelp" legend entry + updated page subtitle
+
 - **v0.5.0** (March 9, 2026) - Breeding Tools Complete
   - Trial Pairing Simulator: COI calculator, risk badge, common ancestors
   - Heat Cycle Calendar: month grid, phase windows, start-cycle modal