diff --git a/app/Http/Controllers/Care/OnboardingController.php b/app/Http/Controllers/Care/OnboardingController.php
index 146190b..28f962a 100644
--- a/app/Http/Controllers/Care/OnboardingController.php
+++ b/app/Http/Controllers/Care/OnboardingController.php
@@ -26,6 +26,10 @@ class OnboardingController extends Controller
             return redirect()->route('care.dashboard');
         }
 
+        if (! $this->organizations->canCompleteOnboarding($request->user())) {
+            abort(403, 'Your facility setup is incomplete. Ask an administrator to finish onboarding.');
+        }
+
         return view('care.onboarding.show', [
             'user' => $request->user(),
             'timezones' => timezone_identifiers_list(),
@@ -41,6 +45,10 @@ class OnboardingController extends Controller
             return redirect()->route('care.dashboard');
         }
 
+        if (! $this->organizations->canCompleteOnboarding($request->user())) {
+            abort(403, 'Your facility setup is incomplete. Ask an administrator to finish onboarding.');
+        }
+
         $categoryKeys = array_keys($this->workflows->categories());
         $templateKeys = array_keys($this->workflows->templates());
 
diff --git a/app/Http/Controllers/Care/SpecialtyModuleController.php b/app/Http/Controllers/Care/SpecialtyModuleController.php
index 092ddba..81fee9d 100644
--- a/app/Http/Controllers/Care/SpecialtyModuleController.php
+++ b/app/Http/Controllers/Care/SpecialtyModuleController.php
@@ -347,6 +347,7 @@ class SpecialtyModuleController extends Controller
 
         $organization = $this->organization($request);
         $member = $this->member($request);
+        // Viewing docs is workspace GET (memberCanAccess / memberCanView). Upload needs manage.
         abort_unless($modules->memberCanAccess($organization, $member, $module), 403);
         abort_unless($modules->memberCanManage($organization, $member, $module), 403);
         abort_unless($visit->organization_id === $organization->id, 404);
diff --git a/app/Http/Middleware/EnsureOrganizationSetup.php b/app/Http/Middleware/EnsureOrganizationSetup.php
index 7ede739..c53dac8 100644
--- a/app/Http/Middleware/EnsureOrganizationSetup.php
+++ b/app/Http/Middleware/EnsureOrganizationSetup.php
@@ -25,6 +25,11 @@ class EnsureOrganizationSetup
         }
 
         if (! $this->organizations->isOnboarded($user)) {
+            // Staff already attached to a tenant must not see owner onboarding.
+            if ($this->organizations->membershipFor($user)) {
+                abort(403, 'Your facility setup is incomplete. Ask an administrator to finish onboarding.');
+            }
+
             return redirect()->route('care.onboarding.show');
         }
 
diff --git a/app/Services/Care/DemoTenantSeeder.php b/app/Services/Care/DemoTenantSeeder.php
index 6c6208a..2e752e1 100644
--- a/app/Services/Care/DemoTenantSeeder.php
+++ b/app/Services/Care/DemoTenantSeeder.php
@@ -670,17 +670,54 @@ class DemoTenantSeeder
                 $branch = $branches[$index % count($branches)];
             }
 
-            Member::query()->updateOrCreate(
-                [
-                    'organization_id' => $organization->id,
-                    'user_ref' => strtolower($staff['email']),
-                ],
-                [
+            $email = strtolower((string) $staff['email']);
+            // Prefer remapped public_id when the staff user already exists locally,
+            // so reseeds do not orphan SSO sessions keyed by public_id.
+            $publicId = User::query()
+                ->whereRaw('LOWER(email) = ?', [$email])
+                ->value('public_id');
+            $userRef = is_string($publicId) && $publicId !== '' ? $publicId : $email;
+
+            $existing = Member::query()
+                ->where('organization_id', $organization->id)
+                ->where(function ($query) use ($email, $publicId) {
+                    $query->where('user_ref', $email);
+                    if (is_string($publicId) && $publicId !== '') {
+                        $query->orWhere('user_ref', $publicId);
+                    }
+                })
+                ->orderByRaw('CASE WHEN user_ref = ? THEN 0 ELSE 1 END', [$userRef])
+                ->first();
+
+            if ($existing) {
+                $existing->forceFill([
+                    'user_ref' => $userRef,
                     'owner_ref' => $ownerRef,
                     'role' => $role,
                     'branch_id' => $role === 'hospital_admin' ? null : $branch?->id,
-                ],
-            );
+                ])->save();
+
+                Member::query()
+                    ->where('organization_id', $organization->id)
+                    ->where('id', '!=', $existing->id)
+                    ->where(function ($query) use ($email, $publicId) {
+                        $query->where('user_ref', $email);
+                        if (is_string($publicId) && $publicId !== '') {
+                            $query->orWhere('user_ref', $publicId);
+                        }
+                    })
+                    ->delete();
+
+                continue;
+            }
+
+            Member::query()->create([
+                'organization_id' => $organization->id,
+                'user_ref' => $userRef,
+                'owner_ref' => $ownerRef,
+                'role' => $role,
+                'branch_id' => $role === 'hospital_admin' ? null : $branch?->id,
+            ]);
         }
     }
 
diff --git a/app/Services/Care/OrganizationResolver.php b/app/Services/Care/OrganizationResolver.php
index 4cf8bc3..13ac5b6 100644
--- a/app/Services/Care/OrganizationResolver.php
+++ b/app/Services/Care/OrganizationResolver.php
@@ -17,9 +17,7 @@ class OrganizationResolver
 {
     public function resolveForUser(User $user): ?Organization
     {
-        $ref = $user->ownerRef();
-
-        $member = Member::where('user_ref', $ref)->first();
+        $member = $this->membershipFor($user);
         if ($member) {
             $organization = Organization::query()->find($member->organization_id);
             if ($organization) {
@@ -27,7 +25,7 @@ class OrganizationResolver
             }
         }
 
-        return Organization::owned($ref)->first();
+        return Organization::owned($user->ownerRef())->first();
     }
 
     public function forUser(User $user): Organization
@@ -44,6 +42,40 @@ class OrganizationResolver
             && (bool) data_get($organization->settings, 'onboarded', false);
     }
 
+    /**
+     * Any Care membership for this user (public_id or invite/demo email key).
+     * Remaps email-keyed rows to public_id when found so staff stay linked after SSO.
+     */
+    public function membershipFor(User $user): ?Member
+    {
+        $member = Member::query()->where('user_ref', $user->ownerRef())->first();
+        if ($member) {
+            return $member;
+        }
+
+        $email = strtolower(trim((string) $user->email));
+        if ($email === '' || $email === $user->ownerRef()) {
+            return null;
+        }
+
+        $member = Member::query()->where('user_ref', $email)->first();
+
+        return $member ? $this->remapMemberUserRef($member, $user) : null;
+    }
+
+    /**
+     * True when the user may run owner onboarding (create a facility).
+     * Staff already attached to a tenant must not create a second org.
+     */
+    public function canCompleteOnboarding(User $user): bool
+    {
+        if ($this->membershipFor($user)) {
+            return false;
+        }
+
+        return ! $this->isOnboarded($user);
+    }
+
     public function memberFor(User $user, ?Organization $organization = null): ?Member
     {
         $organization ??= $this->resolveForUser($user);
@@ -51,9 +83,52 @@ class OrganizationResolver
             return null;
         }
 
-        return Member::where('organization_id', $organization->id)
+        $member = Member::query()
+            ->where('organization_id', $organization->id)
             ->where('user_ref', $user->ownerRef())
             ->first();
+        if ($member) {
+            return $member;
+        }
+
+        $email = strtolower(trim((string) $user->email));
+        if ($email === '') {
+            return null;
+        }
+
+        $member = Member::query()
+            ->where('organization_id', $organization->id)
+            ->where('user_ref', $email)
+            ->first();
+
+        return $member ? $this->remapMemberUserRef($member, $user) : null;
+    }
+
+    /**
+     * Promote invite/demo email user_ref keys to the stable OIDC public_id.
+     */
+    protected function remapMemberUserRef(Member $member, User $user): Member
+    {
+        $ref = $user->ownerRef();
+        if ($member->user_ref === $ref) {
+            return $member;
+        }
+
+        $conflict = Member::query()
+            ->where('organization_id', $member->organization_id)
+            ->where('user_ref', $ref)
+            ->where('id', '!=', $member->id)
+            ->first();
+
+        if ($conflict) {
+            $member->delete();
+
+            return $conflict;
+        }
+
+        $member->forceFill(['user_ref' => $ref])->save();
+
+        return $member->fresh() ?? $member;
     }
 
     public function ensureOwnerMember(User $user, Organization $organization): Member
diff --git a/resources/views/care/specialty/sections/workspace.blade.php b/resources/views/care/specialty/sections/workspace.blade.php
index 09ba0ae..376ba97 100644
--- a/resources/views/care/specialty/sections/workspace.blade.php
+++ b/resources/views/care/specialty/sections/workspace.blade.php
@@ -88,7 +88,7 @@
                 <h3 class="text-sm font-semibold text-slate-900">Documents</h3>
                 <p class="mt-1 text-xs text-slate-500">Specialty documents attach to the patient chart for this episode.</p>
 
-                @if ($canManageClinical ?? $canManageSpecialty ?? true)
+                @if ($canManageClinical ?? $canManageSpecialty ?? false)
                     <form method="POST" action="{{ route('care.specialty.documents.upload', ['module' => $moduleKey, 'visit' => $workspaceVisit]) }}" enctype="multipart/form-data" class="mt-4 space-y-3">
                         @csrf
                         <input type="file" name="attachment" required accept=".pdf,.jpg,.jpeg,.png,.webp" class="block w-full text-sm">
diff --git a/tests/Feature/CareNurseOrgAccessTest.php b/tests/Feature/CareNurseOrgAccessTest.php
new file mode 100644
index 0000000..b395014
--- /dev/null
+++ b/tests/Feature/CareNurseOrgAccessTest.php
@@ -0,0 +1,384 @@
+<?php
+
+namespace Tests\Feature;
+
+use App\Http\Middleware\EnsurePlatformSession;
+use App\Models\Appointment;
+use App\Models\Branch;
+use App\Models\Department;
+use App\Models\Member;
+use App\Models\Organization;
+use App\Models\Patient;
+use App\Models\User;
+use App\Models\Visit;
+use App\Services\Care\OrganizationResolver;
+use App\Services\Care\SpecialtyModuleService;
+use Illuminate\Foundation\Testing\RefreshDatabase;
+use Tests\TestCase;
+
+class CareNurseOrgAccessTest extends TestCase
+{
+    use RefreshDatabase;
+
+    public function test_nurse_with_email_user_ref_membership_is_not_sent_to_onboarding(): void
+    {
+        $this->withoutMiddleware(EnsurePlatformSession::class);
+
+        $owner = User::create([
+            'public_id' => 'owner-pid',
+            'name' => 'Owner',
+            'email' => 'owner@example.com',
+        ]);
+
+        $nurse = User::create([
+            'public_id' => 'nurse-pid',
+            'name' => 'Nurse',
+            'email' => 'demo-pro-nurse@ladill.com',
+        ]);
+
+        $organization = Organization::create([
+            'owner_ref' => $owner->public_id,
+            'name' => 'Clinic',
+            'slug' => 'clinic',
+            'settings' => [
+                'onboarded' => true,
+                'plan' => 'pro',
+                'plan_expires_at' => now()->addMonth()->toIso8601String(),
+            ],
+        ]);
+
+        Member::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'user_ref' => $owner->public_id,
+            'role' => 'hospital_admin',
+        ]);
+
+        // Demo seeder style: staff member keyed by email until SSO remaps.
+        Member::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'user_ref' => strtolower($nurse->email),
+            'role' => 'nurse',
+        ]);
+
+        $resolver = app(OrganizationResolver::class);
+        $this->assertTrue($resolver->isOnboarded($nurse));
+        $this->assertFalse($resolver->canCompleteOnboarding($nurse));
+        $this->assertSame($organization->id, $resolver->resolveForUser($nurse)?->id);
+
+        // Remap sticks so later requests resolve by public_id.
+        $this->assertDatabaseHas('care_members', [
+            'organization_id' => $organization->id,
+            'user_ref' => $nurse->public_id,
+            'role' => 'nurse',
+        ]);
+
+        $this->actingAs($nurse)
+            ->get(route('care.dashboard'))
+            ->assertOk();
+
+        $this->actingAs($nurse)
+            ->get(route('care.onboarding.show'))
+            ->assertRedirect(route('care.dashboard'));
+    }
+
+    public function test_nurse_who_wrongly_owns_empty_org_still_uses_employer_membership(): void
+    {
+        $this->withoutMiddleware(EnsurePlatformSession::class);
+
+        $owner = User::create([
+            'public_id' => 'employer-owner',
+            'name' => 'Owner',
+            'email' => 'employer@example.com',
+        ]);
+
+        $nurse = User::create([
+            'public_id' => 'orphan-nurse',
+            'name' => 'Nurse',
+            'email' => 'orphan-nurse@example.com',
+        ]);
+
+        $employer = Organization::create([
+            'owner_ref' => $owner->public_id,
+            'name' => 'Employer Clinic',
+            'slug' => 'employer-clinic',
+            'settings' => [
+                'onboarded' => true,
+                'plan' => 'pro',
+                'plan_expires_at' => now()->addMonth()->toIso8601String(),
+                'specialty_modules' => ['emergency' => true],
+            ],
+        ]);
+
+        // Orphan org from completing owner onboarding while membership was unresolved.
+        Organization::create([
+            'owner_ref' => $nurse->public_id,
+            'name' => 'Nurse Own Clinic',
+            'slug' => 'nurse-own-clinic',
+            'settings' => ['onboarded' => true],
+        ]);
+
+        Member::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $employer->id,
+            'user_ref' => strtolower($nurse->email),
+            'role' => 'nurse',
+        ]);
+
+        $branch = Branch::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $employer->id,
+            'name' => 'Main',
+            'is_active' => true,
+        ]);
+
+        app(SpecialtyModuleService::class)->activate($employer, $owner->public_id, 'emergency');
+        $dept = Department::query()->where('type', 'emergency')->where('branch_id', $branch->id)->firstOrFail();
+
+        $patient = Patient::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $employer->id,
+            'branch_id' => $branch->id,
+            'patient_number' => 'P-ORPHAN',
+            'first_name' => 'Ama',
+            'last_name' => 'Patient',
+            'gender' => 'female',
+            'date_of_birth' => '1990-01-01',
+        ]);
+
+        $visit = Visit::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $employer->id,
+            'branch_id' => $branch->id,
+            'patient_id' => $patient->id,
+            'status' => Visit::STATUS_IN_PROGRESS,
+            'checked_in_at' => now(),
+        ]);
+
+        Appointment::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $employer->id,
+            'branch_id' => $branch->id,
+            'patient_id' => $patient->id,
+            'department_id' => $dept->id,
+            'visit_id' => $visit->id,
+            'type' => Appointment::TYPE_WALK_IN,
+            'status' => Appointment::STATUS_IN_CONSULTATION,
+            'scheduled_at' => now(),
+            'checked_in_at' => now(),
+            'started_at' => now(),
+        ]);
+
+        $this->assertSame($employer->id, app(OrganizationResolver::class)->resolveForUser($nurse)?->id);
+
+        $this->actingAs($nurse)
+            ->get(route('care.specialty.workspace', [
+                'module' => 'emergency',
+                'visit' => $visit,
+                'tab' => 'documents',
+            ]))
+            ->assertOk()
+            ->assertSee('Documents')
+            ->assertSee('Upload document');
+    }
+
+    public function test_nurse_can_open_emergency_documents_tab(): void
+    {
+        $this->withoutMiddleware(EnsurePlatformSession::class);
+
+        $owner = User::create([
+            'public_id' => 'er-docs-owner',
+            'name' => 'Owner',
+            'email' => 'er-docs-owner@example.com',
+        ]);
+
+        $nurse = User::create([
+            'public_id' => 'er-docs-nurse',
+            'name' => 'Nurse',
+            'email' => 'er-docs-nurse@example.com',
+        ]);
+
+        $organization = Organization::create([
+            'owner_ref' => $owner->public_id,
+            'name' => 'ER Clinic',
+            'slug' => 'er-docs-clinic',
+            'settings' => [
+                'onboarded' => true,
+                'plan' => 'pro',
+                'plan_expires_at' => now()->addMonth()->toIso8601String(),
+                'specialty_modules' => ['emergency' => true],
+            ],
+        ]);
+
+        Member::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'user_ref' => $owner->public_id,
+            'role' => 'hospital_admin',
+        ]);
+
+        Member::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'user_ref' => $nurse->public_id,
+            'role' => 'nurse',
+        ]);
+
+        $branch = Branch::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'name' => 'Main',
+            'is_active' => true,
+        ]);
+
+        app(SpecialtyModuleService::class)->activate($organization, $owner->public_id, 'emergency');
+
+        $dept = Department::query()->where('type', 'emergency')->where('branch_id', $branch->id)->firstOrFail();
+
+        $patient = Patient::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'branch_id' => $branch->id,
+            'patient_number' => 'P-DOCS',
+            'first_name' => 'Ama',
+            'last_name' => 'Docs',
+            'gender' => 'female',
+            'date_of_birth' => '1990-01-01',
+        ]);
+
+        $visit = Visit::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'branch_id' => $branch->id,
+            'patient_id' => $patient->id,
+            'status' => Visit::STATUS_IN_PROGRESS,
+            'checked_in_at' => now(),
+        ]);
+
+        Appointment::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'branch_id' => $branch->id,
+            'patient_id' => $patient->id,
+            'department_id' => $dept->id,
+            'visit_id' => $visit->id,
+            'type' => Appointment::TYPE_WALK_IN,
+            'status' => Appointment::STATUS_IN_CONSULTATION,
+            'scheduled_at' => now(),
+            'checked_in_at' => now(),
+            'started_at' => now(),
+        ]);
+
+        $this->actingAs($nurse)
+            ->get(route('care.specialty.workspace', [
+                'module' => 'emergency',
+                'visit' => $visit,
+                'tab' => 'documents',
+            ]))
+            ->assertOk()
+            ->assertSee('Documents')
+            ->assertSee('Upload document');
+    }
+
+    public function test_view_only_staff_sees_documents_without_upload(): void
+    {
+        $this->withoutMiddleware(EnsurePlatformSession::class);
+
+        $owner = User::create([
+            'public_id' => 'view-docs-owner',
+            'name' => 'Owner',
+            'email' => 'view-docs-owner@example.com',
+        ]);
+
+        $lab = User::create([
+            'public_id' => 'view-docs-lab',
+            'name' => 'Lab',
+            'email' => 'view-docs-lab@example.com',
+        ]);
+
+        $organization = Organization::create([
+            'owner_ref' => $owner->public_id,
+            'name' => 'Cardio Clinic',
+            'slug' => 'cardio-docs-clinic',
+            'settings' => [
+                'onboarded' => true,
+                'plan' => 'pro',
+                'plan_expires_at' => now()->addMonth()->toIso8601String(),
+            ],
+        ]);
+
+        Member::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'user_ref' => $owner->public_id,
+            'role' => 'hospital_admin',
+        ]);
+
+        Member::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'user_ref' => $lab->public_id,
+            'role' => 'lab_technician',
+        ]);
+
+        $branch = Branch::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'name' => 'Main',
+            'is_active' => true,
+        ]);
+
+        $modules = app(SpecialtyModuleService::class);
+        $modules->activate($organization, $owner->public_id, 'cardiology');
+
+        $dept = Department::query()->where('type', 'cardiology')->where('branch_id', $branch->id)->firstOrFail();
+
+        $patient = Patient::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'branch_id' => $branch->id,
+            'patient_number' => 'P-VIEW-DOCS',
+            'first_name' => 'Kofi',
+            'last_name' => 'View',
+            'gender' => 'male',
+            'date_of_birth' => '1985-01-01',
+        ]);
+
+        $visit = Visit::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'branch_id' => $branch->id,
+            'patient_id' => $patient->id,
+            'status' => Visit::STATUS_IN_PROGRESS,
+            'checked_in_at' => now(),
+        ]);
+
+        Appointment::create([
+            'owner_ref' => $owner->public_id,
+            'organization_id' => $organization->id,
+            'branch_id' => $branch->id,
+            'patient_id' => $patient->id,
+            'department_id' => $dept->id,
+            'visit_id' => $visit->id,
+            'type' => Appointment::TYPE_WALK_IN,
+            'status' => Appointment::STATUS_IN_CONSULTATION,
+            'scheduled_at' => now(),
+            'checked_in_at' => now(),
+            'started_at' => now(),
+        ]);
+
+        $labMember = Member::query()->where('user_ref', $lab->public_id)->firstOrFail();
+        $this->assertSame('view', $modules->memberAccessLevel($organization, $labMember, 'cardiology'));
+
+        $this->actingAs($lab)
+            ->get(route('care.specialty.workspace', [
+                'module' => 'cardiology',
+                'visit' => $visit,
+                'tab' => 'documents',
+            ]))
+            ->assertOk()
+            ->assertSee('Documents')
+            ->assertDontSee('Upload document');
+    }
+}