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/project/static/src/core/web/@types/models.d.ts

@@ -0,0 +1,5 @@
+declare module "models" {
+    export interface Thread {
+        collaborator_ids: ResPartner[];
+    }
+}

frontend/project/static/src/core/web/follower_list_patch.js

@@ -0,0 +1,34 @@
+import { FollowerList } from "@mail/core/web/follower_list";
+import { ConfirmationDialog } from "@web/core/confirmation_dialog/confirmation_dialog";
+import { _t } from "@web/core/l10n/translation";
+import { useService } from "@web/core/utils/hooks";
+
+import { patch } from "@web/core/utils/patch";
+
+const followerListPatch = {
+    setup() {
+        super.setup();
+        this.dialogService = useService("dialog");
+    },
+    /**
+     * @param {MouseEvent} ev
+     * @param {import("models").Follower} follower
+     */
+    async onClickRemove(ev, follower) {
+        if (follower.partner_id.in(follower.thread.collaborator_ids)) {
+            this.dialogService.add(ConfirmationDialog, {
+                title: _t("Remove Collaborator"),
+                body: _t(
+                    "This follower is currently a project collaborator. Removing them will revoke their portal access to the project. Are you sure you want to proceed?"
+                ),
+                confirmLabel: _t("Remove Collaborator"),
+                cancelLabel: _t("Discard"),
+                confirm: () => super.onClickRemove(ev, follower),
+                cancel: () => {},
+            });
+        } else {
+            super.onClickRemove(ev, follower);
+        }
+    },
+};
+patch(FollowerList.prototype, followerListPatch);

frontend/project/static/src/core/web/thread_model_patch.js

@@ -0,0 +1,13 @@
+import { Thread } from "@mail/core/common/thread_model";
+import { fields } from "@mail/model/misc";
+
+import { patch } from "@web/core/utils/patch";
+
+/** @type {import("models").Thread} */
+const threadPatch = {
+    setup() {
+        super.setup();
+        this.collaborator_ids = fields.Many("res.partner");
+    },
+};
+patch(Thread.prototype, threadPatch);