Add unified hierarchical client management interface

app/ui/app.py

@@ -2,6 +2,7 @@ from fastapi import FastAPI
 from fastapi.staticfiles import StaticFiles
 
 from app.modules.clients.ui import router as clients_ui_router, portal_router as client_portal_router
+from app.modules.clients.management_ui import router as client_management_ui_router
 from app.modules.clients.scope_ui import router as client_scope_ui_router
 from app.modules.client_groups.ui import router as client_groups_ui_router
 from app.modules.consultants.ui import router as consultants_ui_router, portal_router as consultant_portal_router
@@ -110,6 +111,7 @@ def mount_ui(app: FastAPI) -> None:
     app.include_router(system_admin_dashboard_router)
     app.include_router(work_detail_ui_router)
     app.include_router(clients_ui_router)
+    app.include_router(client_management_ui_router)
     app.include_router(client_scope_ui_router)
     app.include_router(client_groups_ui_router)
     app.include_router(registrations_ui_router)

app/ui/templates/components/firm_admin_navigation_v2.html

@@ -29,6 +29,7 @@
     'active': _firm_admin_path.startswith('/clients'),
     'children': [
       {'label': 'Client List', 'url': '/clients', 'active': _firm_admin_path == '/clients'},
+      {'label': 'Client Management', 'url': '/clients/management', 'active': _firm_admin_path.startswith('/clients/management')},
       {'label': 'Add Client', 'url': '/clients/new', 'active': _firm_admin_path.startswith('/clients/new')},
       {'label': 'Import Clients', 'url': '/clients/import', 'active': _firm_admin_path.startswith('/clients/import')},
       {'label': 'Export Clients', 'url': '/clients/export', 'active': _firm_admin_path.startswith('/clients/export')}

app/ui/templates/components/partner_navigation_v2.html

@@ -1,4 +1,4 @@
-{% if navigation_render_location_v2|default('page') == 'global-host' or not global_role_navigation_host_v2|default(false) %}
+{% if navigation_render_location_v2|default('page') == 'global-host' or not global_role_navigation_host_v2|default(false) %}
 {#
   Partner operations navigation.
   Presentation only: all links use existing production routes and route-level permissions remain authoritative.
@@ -62,6 +62,11 @@
         'url': '/partner/clients',
         'active': _partner_path.startswith('/partner/clients')
       },
+      {
+        'label': 'Client Management',
+        'url': '/clients/management',
+        'active': _partner_path.startswith('/clients/management')
+      },
       {
         'label': 'Add Client',
         'url': '/clients/new',