feat: add authenticated my-profile endpoint and clean breadcrumb markdown in SEO context

- Add GET /profile route returning own profile page with tab support, backed by new my_profile_page handler in profile/index.py and documented in docs_api.py
- Introduce _clean_breadcrumbs helper in seo.py that strips markdown from breadcrumb names before passing to schema generation
- Skip data-confirm modal for elements with data-auto-submit attribute in ModalManager.js
- Guard PushManager subscription against missing userUid and capture it from document body dataset
- Switch profile bio template from render_title to render_content and use div instead of span for proper block rendering

devplacepy/static/js/ModalManager.js

@@ -111,6 +111,7 @@ export class ModalManager {
         document.addEventListener("click", (e) => {
             const el = e.target.closest("[data-confirm]");
             if (!el) return;
+            if (el.hasAttribute("data-auto-submit")) return;
             if (el.dataset.confirmed === "1") {
                 delete el.dataset.confirmed;
                 return;

devplacepy/static/js/PushManager.js

@@ -8,6 +8,7 @@ export class PushManager {
         if (!this.supported) {
             return;
         }
+        this.userUid = document.body.dataset.userUid || "";
         this.triggers = Array.from(document.querySelectorAll("[data-push-enable]"));
         this.bindTriggers();
         this.refreshTriggerVisibility();
@@ -48,6 +49,10 @@ export class PushManager {
                 return;
             }
 
+            if (!this.userUid) {
+                return;
+            }
+
             const keyData = await Http.getJson("/push.json");
             const applicationServerKey = Uint8Array.from(atob(keyData.publicKey), (c) => c.charCodeAt(0));