Add company tabs to client dashboard

Tabs appear below stats. All four stat cards + both task columns filter
to the selected company. Stats recompute client-side from fetched data.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

src/pages/client/ClientDashboard.jsx

@@ -51,49 +51,31 @@ function TaskColumn({ title, tasks, projects, emptyMessage }) {
 export default function ClientDashboard() {
   const { currentUser } = useAuth();
   const hasCompany = Boolean(currentUser?.company_id || currentUser?.company?.id || currentUser?.companies?.length);
+  const companies = (currentUser?.companies?.length ? currentUser.companies : (currentUser?.company ? [currentUser.company] : [])).slice().sort((a, b) => a.name.localeCompare(b.name));
+  const [activeCompanyId, setActiveCompanyId] = useState(companies[0]?.id || null);
 
-  const [stats, setStats] = useState({ notStarted: 0, inProgress: 0, awaitingReview: 0, outstandingInvoices: 0 });
-  const [reviewTasks, setReviewTasks] = useState([]);
-  const [inProgressTasks, setInProgressTasks] = useState([]);
-  const [projects, setProjects] = useState([]);
+  const [allTasks, setAllTasks] = useState([]);
+  const [allProjects, setAllProjects] = useState([]);
+  const [allInvoices, setAllInvoices] = useState([]);
   const [loading, setLoading] = useState(hasCompany);
 
   useEffect(() => {
     if (!hasCompany) { setLoading(false); return; }
-
     async function load() {
       try {
-        const [
-          { count: notStartedCount },
-          { count: inProgressCount },
-          { count: reviewCount },
-          { data: sentInvoices },
-          { data: activeTasks },
-        ] = await withTimeout(Promise.all([
-          supabase.from('tasks').select('id', { count: 'exact', head: true }).eq('status', 'not_started'),
-          supabase.from('tasks').select('id', { count: 'exact', head: true }).in('status', ['in_progress', 'on_hold']),
-          supabase.from('tasks').select('id', { count: 'exact', head: true }).eq('status', 'client_review'),
-          supabase.from('invoices').select('total').eq('status', 'sent'),
+        const [{ data: activeTasks }, { data: invoices }] = await withTimeout(Promise.all([
           supabase.from('tasks').select('id, title, status, project_id').in('status', ['client_review', 'in_progress', 'on_hold', 'not_started']).order('submitted_at', { ascending: false }),
+          supabase.from('invoices').select('total, status, company_id').eq('status', 'sent'),
         ]), 12000, 'Client dashboard load');
 
-        setStats({
-          notStarted: notStartedCount || 0,
-          inProgress: inProgressCount || 0,
-          awaitingReview: reviewCount || 0,
-          outstandingInvoices: (sentInvoices || []).reduce((sum, inv) => sum + Number(inv.total || 0), 0),
-        });
-
         const tasks = activeTasks || [];
-        const review = tasks.filter(t => t.status === 'client_review');
-        const inProg = tasks.filter(t => ['in_progress', 'on_hold', 'not_started'].includes(t.status));
-        setReviewTasks(review);
-        setInProgressTasks(inProg);
+        setAllTasks(tasks);
+        setAllInvoices(invoices || []);
 
         if (tasks.length > 0) {
           const projectIds = [...new Set(tasks.map(t => t.project_id).filter(Boolean))];
-          const { data: proj } = await supabase.from('projects').select('id, name').in('id', projectIds);
-          setProjects(proj || []);
+          const { data: proj } = await supabase.from('projects').select('id, name, company_id').in('id', projectIds);
+          setAllProjects(proj || []);
         }
       } catch (error) {
         console.error('ClientDashboard load failed:', error);
@@ -101,10 +83,29 @@ export default function ClientDashboard() {
         setLoading(false);
       }
     }
-
     load();
   }, [hasCompany]);
 
+  const filterByCompany = (tasks) => {
+    if (companies.length <= 1 || !activeCompanyId) return tasks;
+    return tasks.filter(t => {
+      const proj = allProjects.find(p => p.id === t.project_id);
+      return proj?.company_id === activeCompanyId;
+    });
+  };
+
+  const visibleTasks = filterByCompany(allTasks);
+  const visibleProjects = companies.length <= 1
+    ? allProjects
+    : allProjects.filter(p => p.company_id === activeCompanyId);
+  const visibleInvoices = companies.length <= 1 || !activeCompanyId
+    ? allInvoices
+    : allInvoices.filter(i => i.company_id === activeCompanyId);
+
+  const reviewTasks = visibleTasks.filter(t => t.status === 'client_review');
+  const inProgressTasks = visibleTasks.filter(t => ['in_progress', 'on_hold', 'not_started'].includes(t.status));
+  const outstandingInvoices = visibleInvoices.reduce((sum, inv) => sum + Number(inv.total || 0), 0);
+
   if (loading) return <Layout><p style={{ padding: 24, color: 'var(--text-muted)' }}>Loading...</p></Layout>;
 
   return (
@@ -119,34 +120,55 @@ export default function ClientDashboard() {
 
       <div className="stats-grid">
         <div className="stat-card stat-card-highlight">
-          <div className="stat-value" style={{ color: stats.awaitingReview > 0 ? 'var(--accent)' : undefined }}>{stats.awaitingReview}</div>
+          <div className="stat-value" style={{ color: reviewTasks.length > 0 ? 'var(--accent)' : undefined }}>{reviewTasks.length}</div>
           <div className="stat-label">Awaiting Review</div>
         </div>
         <div className="stat-card">
-          <div className="stat-value">{stats.inProgress}</div>
+          <div className="stat-value">{inProgressTasks.filter(t => ['in_progress', 'on_hold'].includes(t.status)).length}</div>
           <div className="stat-label">In Progress</div>
         </div>
         <div className="stat-card">
-          <div className="stat-value">{stats.notStarted}</div>
+          <div className="stat-value">{inProgressTasks.filter(t => t.status === 'not_started').length}</div>
           <div className="stat-label">Not Started</div>
         </div>
         <div className="stat-card">
-          <div className="stat-value" style={{ fontSize: 22 }}>${stats.outstandingInvoices.toFixed(2)}</div>
+          <div className="stat-value" style={{ fontSize: 22 }}>${outstandingInvoices.toFixed(2)}</div>
           <div className="stat-label">Outstanding Invoices</div>
         </div>
       </div>
 
-      <div className="grid-2" style={{ marginTop: 24 }}>
+      {companies.length > 1 && (
+        <div style={{ marginTop: 20, marginBottom: 4, display: 'flex', alignItems: 'center', gap: 10, flexWrap: 'wrap' }} className="card-title">
+          {companies.map((company, index) => (
+            <span key={company.id} style={{ display: 'inline-flex', alignItems: 'center', gap: 10 }}>
+              {index > 0 && <span style={{ color: 'var(--text-muted)' }}>|</span>}
+              <button
+                type="button"
+                onClick={() => setActiveCompanyId(company.id)}
+                style={{
+                  background: 'none', border: 'none', padding: 0, margin: 0,
+                  cursor: 'pointer', font: 'inherit', textTransform: 'inherit', letterSpacing: 'inherit',
+                  color: activeCompanyId === company.id ? 'var(--text-primary)' : 'var(--text-muted)',
+                }}
+              >
+                {company.name}
+              </button>
+            </span>
+          ))}
+        </div>
+      )}
+
+      <div className="grid-2" style={{ marginTop: 16 }}>
         <TaskColumn
           title="Awaiting Your Review"
           tasks={reviewTasks}
-          projects={projects}
+          projects={visibleProjects}
           emptyMessage="No items need your review."
         />
         <TaskColumn
           title="In Progress"
           tasks={inProgressTasks}
-          projects={projects}
+          projects={visibleProjects}
           emptyMessage="No items currently in progress."
         />
       </div>