Eliminate Python dependency: embed frontend assets in odoo-go

- Copy all OWL frontend assets (JS/CSS/XML/fonts/images) into frontend/
  directory (2925 files, 43MB) — no more runtime reads from Python Odoo
- Replace OdooAddonsPath config with FrontendDir pointing to local frontend/
- Rewire bundle.go, static.go, templates.go, webclient.go to read from
  frontend/ instead of external Python Odoo addons directory
- Auto-detect frontend/ and build/ dirs relative to binary in main.go
- Delete obsolete Python helper scripts (tools/*.py)

The Go server is now fully self-contained: single binary + frontend/ folder.

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

frontend/sale/static/tests/tours/sale_catalog.js

@@ -0,0 +1,98 @@
+import { addSectionFromProductCatalog } from "@account/js/tours/tour_utils";
+import { registry } from "@web/core/registry";
+
+registry.category("web_tour.tours").add('sale_catalog', {
+    steps: () => [
+        {
+            content: "Create a new SO",
+            trigger: '.o_list_button_add',
+            run: 'click',
+        },
+        {
+            content: "Select the customer field",
+            trigger: ".o_field_res_partner_many2one input.o_input",
+            run: 'click',
+        },
+        {
+            content: "Wait for the field to be active",
+            trigger: ".o_field_res_partner_many2one input[aria-expanded=true]",
+        },
+        {
+            content: "Select a customer from the dropdown",
+            trigger: ".o_field_res_partner_many2one .dropdown-item:not([id$='_loading']):first",
+            run: 'click',
+        },
+        {
+            content: "Open product catalog",
+            trigger: 'button[name="action_add_from_catalog"]',
+            run: 'click',
+        },
+        {
+            content: "Type 'Restricted' into the search bar",
+            trigger: 'input.o_searchview_input',
+            run: "edit Restricted",
+        },
+        {
+            content: "Search for the product",
+            trigger: 'input.o_searchview_input',
+            run: "press Enter",
+        },
+        {
+            content: "Wait for catalog rendering",
+            trigger: '.o_kanban_record:contains("Restricted Product")',
+        },
+        {
+            content: "Wait for filtering",
+            trigger: '.o_kanban_renderer:not(:has(.o_kanban_record:contains("AAA Product")))',
+        },
+        {
+            content: "Add the product to the SO",
+            trigger: '.o_kanban_record:contains("Restricted Product") .fa-shopping-cart',
+            run: 'click',
+        },
+        {
+            content: "Wait for product to be added",
+            trigger: '.o_kanban_record:contains("Restricted Product"):not(:has(.fa-shopping-cart))',
+        },
+        {
+            content: "Input a custom quantity",
+            trigger: '.o_kanban_record:contains("Restricted Product") .o_input',
+            run: "edit 6",
+        },
+        {
+            content: "Increase the quantity",
+            trigger: '.o_kanban_record:contains("Restricted Product") .fa-plus',
+            run: 'click',
+        },
+        {
+            content: "Close the catalog",
+            trigger: '.o-kanban-button-back',
+            run: 'click',
+        },
+    ]
+});
+
+registry.category("web_tour.tours").add('test_add_section_from_product_catalog_on_sale_order', {
+    steps: () => [
+        {
+            content: "Create a new SO",
+            trigger: '.o_list_button_add',
+            run: 'click',
+        },
+        {
+            content: "Select the customer field",
+            trigger: '.o_field_res_partner_many2one input.o_input',
+            run: 'click',
+        },
+        {
+            content: "Wait for the field to be active",
+            trigger: '.o_field_res_partner_many2one input[aria-expanded=true]',
+        },
+        {
+            content: "Select a customer from the dropdown",
+            trigger: '.o_field_res_partner_many2one .dropdown-item:not([id$="_loading"]):first',
+            run: 'click',
+        },
+        ...addSectionFromProductCatalog(),
+    ]
+});