Add Operations - WO Shortages page with MTS/MTO shortage tracking

Automates the production manager's manual workflow of checking xTuple WO
Schedule + Kit Material Shortage for FA department work orders. Two tabs:
WO Shortages (detail per WO + shortage line) and Critical Parts (aggregated
parts blocking near-term shipments). Nav button added to all pages.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

AGENTS.md

@@ -52,6 +52,7 @@ statistics-app/
 | Operations | Engineering Holds | Work orders with active engineering holds |
 | Operations | Job Drawing Status | CAD drawing builds from `mpe.inventortools` |
 | Operations | Unused Items | Items with no inventory transactions for X days (default 365), filterable via input widget |
+| Operations | WO Shortages | 2 tabs: WO shortage details (MTS/MTO) for FA dept top-level WOs; Critical Parts aggregation. Uses `mpe.itematmdept`, `mpe.wogrpext`, `womatl`, `qtynetable()` |
 
 ## Critical Conventions
 
@@ -74,7 +75,7 @@ Every `widgetId` across all pages must be globally unique. Use short descriptive
 - Active page button: `buttonColor` = `{{appsmith.theme.colors.backgroundColor}}` (dynamic binding).
 - Inactive buttons: `buttonColor` = `#ffffff` (static, no dynamic binding).
 - `parentId` for nav widgets = the Canvas `widgetId` inside that page's `Container1.json` (varies per page — always read it).
-- Current nav sections: **Sales** (rows 0–16), **Engineering** (rows 18–34), **Operations** (rows 36–52).
+- Current nav sections: **Sales** (rows 0–16), **Engineering** (rows 18–34), **Operations** (rows 36–56).
 
 ### Canvas Widget IDs (for parentId in Container1 children)
 
@@ -89,6 +90,7 @@ Every `widgetId` across all pages must be globally unique. Use short descriptive
 | Operations - Job Drawing Status | `jd1canvas01` |
 | Operations - Engineering Holds | `eh1canvas01` |
 | Operations - Unused Items | `ui1canvas01` |
+| Operations - WO Shortages | `ws1canvas01` |
 
 ### Grid Layout