Add Corporate Memory admin review queue UI (Phase 2)

Admin page at /corporate-memory/admin with three tabs:
- Review Queue: pending items with approve/mandate/reject + batch ops
- All Items: status filter, promote/demote/revoke actions
- Audit Log: filterable action history table

Features:
- Keyboard shortcuts (j/k navigate, a/r/m = approve/reject/mandate)
- Inline mandate form (mandatory reason + audience targeting)
- Toast notifications on action success/error
- Pending count badge on main Corporate Memory page
- Matches existing visual design (CSS variables, card styles)

webapp/app.py

@@ -40,6 +40,7 @@ from .corporate_memory_service import (
     vote as memory_vote,
     is_km_admin,
     get_governance_mode,
+    get_groups as get_memory_groups,
     approve_item,
     reject_item,
     mandate_item,
@@ -49,6 +50,7 @@ from .corporate_memory_service import (
     get_pending_queue,
     get_audit_log,
     migrate_existing_items,
+    VALID_STATUSES,
 )
 from .user_service import (
     UserInfo,
@@ -1393,9 +1395,11 @@ def register_routes(app: Flask) -> None:
         knowledge = get_knowledge(page=0, per_page=20)
 
         # Governance context for admin features
+        _is_admin = is_km_admin(email) if email else False
         governance = {
             "mode": get_governance_mode(),
-            "is_km_admin": is_km_admin(email) if email else False,
+            "is_km_admin": _is_admin,
+            "pending_count": get_memory_stats().get("pending_count", 0) if _is_admin else 0,
         }
 
         return render_template(
@@ -1407,6 +1411,31 @@ def register_routes(app: Flask) -> None:
             governance=governance,
         )
 
+    @app.route("/corporate-memory/admin")
+    @login_required
+    @km_admin_required
+    def corporate_memory_admin():
+        """Corporate Memory admin review queue page."""
+        user = session.get("user", {})
+        email = user.get("email", "")
+
+        stats = get_memory_stats()
+        groups = get_memory_groups()
+
+        # Build groups list for audience dropdown (name + member count)
+        groups_list = [
+            {"name": name, "members_count": len(g.get("members", []))}
+            for name, g in groups.items()
+            if isinstance(g, dict)
+        ]
+
+        return render_template(
+            "corporate_memory_admin.html",
+            stats=stats,
+            groups=groups_list,
+            governance_mode=get_governance_mode(),
+        )
+
     # ─────────────────────────────────────────────────────────────────
     # Activity Center routes
     # ─────────────────────────────────────────────────────────────────
@@ -1440,8 +1469,12 @@ def register_routes(app: Flask) -> None:
         # Admin status filter (only km_admins can filter by status)
         status = request.args.get("status")
         include_statuses = None
-        if status and is_km_admin(email):
+        if is_km_admin(email):
+            if status:
                 include_statuses = {status}
+            elif request.args.get("all_statuses", "").lower() == "true":
+                # Admin requesting all statuses (for admin "All Items" view)
+                include_statuses = set(VALID_STATUSES)
 
         result = get_knowledge(
             category=category,
@@ -1723,9 +1756,16 @@ def register_routes(app: Flask) -> None:
     def corporate_memory_admin_config():
         """Get current governance configuration."""
         try:
+            groups = get_memory_groups()
+            groups_list = [
+                {"name": name, "members_count": len(g.get("members", []))}
+                for name, g in groups.items()
+                if isinstance(g, dict)
+            ]
             return jsonify({
                 "ok": True,
                 "governance_mode": get_governance_mode(),
+                "groups": groups_list,
             })
         except Exception as e:
             logger.exception("Error fetching governance config")

webapp/corporate_memory_service.py

@@ -104,6 +104,16 @@ def get_governance_mode() -> str | None:
     return gov.get("distribution_mode", "hybrid")
 
 
+def get_groups() -> dict:
+    """Return the groups dict from instance config (public wrapper around _load_groups).
+
+    Returns:
+        Dict mapping group name to group config (with 'members' list).
+        Empty dict if no groups configured.
+    """
+    return _load_groups()
+
+
 def get_approval_mode() -> str | None:
     """Return the approval mode, or None if legacy (no config)."""
     gov = _load_governance_config()

webapp/templates/corporate_memory.html

@@ -437,6 +437,40 @@
             opacity: 0.5;
         }
 
+        /* Admin Link Button */
+        .admin-link-btn {
+            display: flex;
+            align-items: center;
+            gap: var(--space-2);
+            padding: var(--space-2) var(--space-3);
+            background: var(--surface);
+            border: 1px solid var(--primary);
+            border-radius: var(--radius-md);
+            color: var(--primary);
+            text-decoration: none;
+            font-size: var(--text-sm);
+            font-weight: var(--font-medium);
+            transition: all 0.15s;
+        }
+
+        .admin-link-btn:hover {
+            background: var(--primary-light);
+        }
+
+        .pending-badge {
+            display: inline-flex;
+            align-items: center;
+            justify-content: center;
+            min-width: 18px;
+            height: 18px;
+            padding: 0 5px;
+            border-radius: var(--radius-full);
+            background: var(--warning);
+            color: white;
+            font-size: 10px;
+            font-weight: var(--font-bold);
+        }
+
         /* Responsive */
         @media (max-width: 768px) {
             .page-header {
@@ -499,6 +533,18 @@
                     <h1>Corporate Memory</h1>
                 </div>
             </div>
+            <div style="display: flex; align-items: center; gap: var(--space-4);">
+                {% if governance.is_km_admin %}
+                <a href="{{ url_for('corporate_memory_admin') }}" class="admin-link-btn">
+                    <svg width="16" height="16" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
+                        <path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10z"/>
+                    </svg>
+                    Admin Review
+                    {% if governance.pending_count > 0 %}
+                    <span class="pending-badge">{{ governance.pending_count }}</span>
+                    {% endif %}
+                </a>
+                {% endif %}
                 <div class="user-info-v2">
                     {% if session.user.picture %}
                     <img src="{{ session.user.picture }}" alt="Profile" class="avatar-v2">
@@ -509,6 +555,7 @@
                     {% endif %}
                     {{ session.user.email }}
                 </div>
+            </div>
         </header>
 
         <!-- Stats Bar -->