💡 What Makes This Module Special

• Adds only the 3 truly missing smart buttons - everything else already exists in Odoo!
• Non-invasive design that works alongside existing Odoo functionality.
• Performance optimized using existing relationships and computed fields.
• Perfect UI consistency with Odoo core smart button patterns.

🔗 Smart Button Navigation

• ✓ Stock Picking → Sale Order (smart button upgrade from existing field)
• ✓ Stock Picking → Invoices (new functionality via sale order)
• ✓ Invoice → Deliveries (new functionality via sale orders)
• ✓ Round-trip navigation works in all directions

⚡ Performance & Architecture

• ✓ Leverages existing relationships from sale_stock module
• ✓ Minimal additional database queries
• ✓ Proper @api.depends declarations for computed fields
• ✓ No data migration required

🎯 Smart Button Behavior

• ✓ Buttons only show when there are related records (count > 0)
• ✓ Single record: Opens form view directly
• ✓ Multiple records: Opens list view with domain filter
• ✓ Invoice buttons only appear on customer invoices/refunds
• ✓ Graceful handling when relationships don't exist

🛡️ Non-Invasive Design

• ✓ Extends existing functionality without replacing it
• ✓ Works alongside sale_stock module features
• ✓ Same icons and styling as existing buttons
• ✓ Compatible with other sale/stock extensions

✅ Already Exists in Odoo Core

• Sale Order → Invoices (smart button) - sale module
• Sale Order → Deliveries (smart button) - sale_stock module
• Stock Picking → Sale Order (regular field sale_id) - sale_stock module
• Invoice → Sale Order (smart button) - sale module

🆕 What This Module Adds

• Stock Picking Form: Sale Order smart button (upgrades existing field to proper smart button UX)
• Stock Picking Form: Invoices smart button (shows count and links to related invoices)
• Invoice Form: Deliveries smart button (shows count and links to related pickings)

📋 Requirements

• ✓ Odoo 18.0+ required
• ✓ sale_stock module dependency (usually already installed)
• ✓ Automatically includes: base, sale, stock, account modules
• ✓ No additional configuration needed

✅ Simple Installation:

1. Place module in addons directory
2. Update app list
3. Install "Pickings Invoices Shortcuts" module
4. Dependencies are automatically handled

Complete Navigation Flow

1. Sale Order → Confirm → Delivery created → Invoice created
2. From Delivery: Smart buttons to view Sale Order ↔ Invoices
3. From Invoice: Smart buttons to view Sale Orders (existing) ↔ Deliveries (new)
4. Round-trip navigation works in all directions

Smart Button Behavior

• Visibility: Buttons only show when there are related records (count > 0)
• Single Record: Opens form view directly for seamless navigation
• Multiple Records: Opens filtered list view to show all related items
• Customer Focus: Invoice buttons only appear on customer invoices/refunds

🏗️ Architecture

• ✓ Stock Picking Extensions: invoice_count, invoice_ids fields + action_view_invoice() method
• ✓ Account Move Extensions: picking_count, picking_ids fields + action_view_picking() method
• ✓ Relationship Strategy: Leverages existing sale_stock relationships
• ✓ Performance: Uses sale_id.invoice_ids and sale order picking_ids

🎯 Scope Focus: This module deliberately excludes functionality that already exists in Odoo core, focusing only on the missing navigation links.