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_signature.js

@@ -0,0 +1,99 @@
+import { registry } from "@web/core/registry";
+import { redirect } from "@web/core/utils/urls";
+
+// This tour relies on data created on the Python test.
+registry.category("web_tour.tours").add('sale_signature', {
+    url: '/my/quotes',
+    steps: () => [
+    {
+        content: "open the test SO",
+        trigger: 'a:text(test SO)',
+        run: "click",
+        expectUnloadPage: true,
+    },
+    {
+        content: "click sign",
+        trigger: 'a:contains("Sign")',
+        run: "click",
+    },
+    {
+        content: "clear the signature name",
+        trigger: '.modal .o_web_sign_name_and_signature input',
+        run: "clear",
+    },
+    {
+        content: "check submit is disabled when name is empty",
+        trigger: '.modal .o_portal_sign_submit:disabled',
+    },
+    {
+        content: "reset signature name",
+        trigger: '.modal .o_web_sign_name_and_signature input',
+        run: "fill Joel Willis",
+    },
+    {
+        content: "check submit is enabled",
+        trigger: '.o_portal_sign_submit:enabled',
+    },
+    {
+        trigger: ".modal .o_web_sign_name_and_signature input:value(Joel Willis)"
+    },
+    {
+        trigger: ".modal canvas.o_web_sign_signature",
+        run: "canvasNotEmpty",
+    },
+    {
+        content: "click select style",
+        trigger: '.modal .o_web_sign_auto_select_style button',
+        run: "click",
+    },
+    {
+        content: "click style 4",
+        trigger: ".o-dropdown-item:eq(3)",
+        run: "click",
+    },
+    {
+        content: "click submit",
+        trigger: '.modal .o_portal_sign_submit:enabled',
+        run: "click",
+        expectUnloadPage: true,
+    },
+    {
+        content: "check it's confirmed",
+        trigger: '#quote_content:contains("Thank You")',
+        run: "click",
+    }, {
+        trigger: '#quote_content',
+        run: function () {
+            redirect("/odoo");
+        },  // Avoid race condition at the end of the tour by returning to the home page.
+        expectUnloadPage: true,
+    },
+    {
+        trigger: 'nav',
+    }
+]});
+
+registry.category("web_tour.tours").add("sale_signature_without_name", {
+    steps: () => [
+        {
+            content: "Wait for interactions to load",
+            trigger: `body[is-ready=true], :iframe body[is-ready=true]`,
+        },
+        {
+            content: "Sign & Pay",
+            trigger:
+                ".o_portal_sale_sidebar .btn-primary, :iframe .o_portal_sale_sidebar .btn-primary",
+            run: "click",
+        },
+        {
+            content: "click submit",
+            trigger: ".o_portal_sign_submit:enabled, :iframe .o_portal_sign_submit:enabled",
+            run: "click",
+        },
+        {
+            content: "check error because no name",
+            trigger:
+                '.o_portal_sign_error_msg:contains("Signature is missing."), :iframe .o_portal_sign_error_msg:contains("Signature is missing.")',
+        },
+    ],
+});