revert: roll back v12.3.3 (Issue Blowout 2026)

SessionStart context injection regressed in v12.3.3 — no memory
context is being delivered to new sessions. Rolling back to the
v12.3.2 tree state while the regression is investigated.

Reverts #2080.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

src/ui/viewer/hooks/useContextPreview.ts

@@ -1,6 +1,5 @@
 import { useState, useEffect, useCallback } from 'react';
 import type { ProjectCatalog, Settings } from '../types';
-import { authFetch } from '../utils/api';
 
 interface UseContextPreviewResult {
   preview: string;
@@ -40,7 +39,7 @@ export function useContextPreview(settings: Settings): UseContextPreviewResult {
     async function fetchProjects() {
       let data: ProjectCatalog;
       try {
-        const response = await authFetch('/api/projects');
+        const response = await fetch('/api/projects');
         data = await response.json() as ProjectCatalog;
       } catch (err: unknown) {
         console.error('Failed to fetch projects:', err instanceof Error ? err.message : String(err));
@@ -101,7 +100,7 @@ export function useContextPreview(settings: Settings): UseContextPreviewResult {
     }
 
     try {
-      const response = await authFetch(`/api/context/preview?${params}`);
+      const response = await fetch(`/api/context/preview?${params}`);
       const text = await response.text();
 
       if (response.ok) {