fix: keep western labels near their planets and chats on the current person

Cap planet captions at 30 degrees with a third ring, fall back only within the current person's sessions, and load self when the people catalog fails.

frontend/src/hooks/use-chat-profile-catalog.ts

@@ -7,8 +7,9 @@ import type { ChatProfileCatalogStatus } from "@/lib/chat-profile-picker-model";
 /**
  * Load state for the ordinary-chat person list.
  * The page effect still owns the chart-library fetch; this hook only records
- * whether that read is in flight, ready, or failed. A failure stays failed
- * until an explicit retry, so a self-only fallback cannot look like deletion.
+ * whether that read is in flight, ready, failed, or degraded. A people-API
+ * outage is degraded: only the signed-in person is listed, with an explicit
+ * sentence, so it does not look like everyone else was deleted.
  */
 export function useChatProfileCatalog(accountId: string | undefined) {
   const accountRef = useRef(accountId);
@@ -32,10 +33,15 @@ export function useChatProfileCatalog(accountId: string | undefined) {
     setStatus("failed");
   }, []);
 
+  const markDegraded = useCallback((forAccountId: string) => {
+    if (accountRef.current !== forAccountId) return;
+    setStatus("degraded");
+  }, []);
+
   const beginReload = useCallback(() => {
     if (!accountRef.current) return;
     setStatus("loading");
   }, []);
 
-  return { status, markReady, markFailed, beginReload };
+  return { status, markReady, markFailed, markDegraded, beginReload };
 }

frontend/src/hooks/use-consultation-run.ts

@@ -60,6 +60,8 @@ import {
   payloadMessage,
   waitForUndoWindow,
 } from "@/lib/home-cloud-sync";
+import { sessionMatchesSubject } from "@/lib/chat-profile-picker-model";
+import { readCurrentSubjectId } from "@/lib/current-subject";
 import { completedOnboardingTranscript, isProfileComplete, selectedBirthPlace } from "@/lib/home-profile";
 import { pendingConsultationStorageKey, timestamp } from "@/lib/home-types";
 import {
@@ -620,7 +622,7 @@ export function useConsultationRun(params: ConsultationRunParams) {
       } catch (caught) {
         const remaining = sessions.filter((session) => session.id !== currentSession.id);
         setSessions(remaining);
-        const fallbackId = fallbackSessionId(remaining);
+        const fallbackId = fallbackSessionId(remaining.filter((session) => sessionMatchesSubject(session, readCurrentSubjectId())));
         setActiveSessionId(fallbackId);
         setRequestError({
           sessionId: fallbackId,

frontend/src/hooks/use-session-management.ts

@@ -157,7 +157,10 @@ export function useSessionManagement(params: SessionManagementParams) {
       void fetchSessions(undefined, { subject }).then((page) => {
         if (cancelled || generation !== requestGeneration || subject !== readCurrentSubjectId()) return;
         const incoming = readSessions(page.sessions, modelCatalog).sessions;
-        setSessions((current) => mergeSubjectSessionRows(current, incoming));
+        setSessions((current) => mergeSubjectSessionRows(current, incoming, {
+          subjectId: subject,
+          complete: page.nextCursor == null,
+        }));
         setSessionsCursor(page.nextCursor);
       }).catch(() => undefined);
     };
@@ -389,10 +392,17 @@ export function useSessionManagement(params: SessionManagementParams) {
   }
 
   function activateFallbackSession(candidates: ChatSession[]) {
-    const fallbackId = fallbackSessionId(candidates);
+    const scoped = candidates.filter((session) => sessionMatchesSubject(session, readCurrentSubjectId()));
+    const fallbackId = fallbackSessionId(scoped);
     if (!fallbackId) {
-      setActiveSessionId("");
-      if (!uiPreview.current) writeSessionUrl(null, "replace");
+      void startNewChat().then((created) => {
+        if (created) {
+          if (!uiPreview.current) writeSessionUrl(created.id, "replace");
+          return;
+        }
+        setActiveSessionId("");
+        if (!uiPreview.current) writeSessionUrl(null, "replace");
+      });
       return;
     }
     const fallback = candidates.find((session) => session.id === fallbackId);
@@ -431,7 +441,7 @@ export function useSessionManagement(params: SessionManagementParams) {
     if (uiPreview.current) return;
     const listed = sessionsRef.current;
     const query = parseSessionUrlQuery(search);
-    const fallbackId = fallbackSessionId(listed);
+    const fallbackId = fallbackSessionId(listed.filter((session) => sessionMatchesSubject(session, readCurrentSubjectId())));
     const requestedId = query.sessionId;
     if (query.present && !requestedId) {
       writeSessionUrl(null, "replace");