feat: sidebar CTA removal, delete phase/task, public dashboard UX, chat panel

1. AdminSidebar: removed yellow "Genera preventivo" CTA (duplicated Preventivi tab nav item)
2. Delete phase/task: new deletePhase/deleteTask server actions with FK cascade and phase-status recompute; DeletePhaseTaskButton client component with window.confirm; trash icons in PhasesTab per phase and per task
3. Public dashboard: extend activeOffers query with offer_macros join (offer_name, offer_type); reorder sidebar 1°Offerte 2°Pagamenti 3°Documenti; OffersSection shows macro public_name as heading (never tier letter/internal_name); PaymentStatus gains totalLabel/overrideAmount/hideRows props — retainer=monthly label + no Acconto/Saldo rows
4. Offer editor: Descrizione textarea (nota interna) and Modalità toggle moved directly under title; Tags section now contains only Categoria/Ticket/Tipo/Obiettivo
5. Basecamp chat: API route supports entity_type="phase" with authorization scoping; comments scope in client-view broadened to include phaseIds and client_id (general); CommentsTab updated with phase/general entities; ChatProvider React context; ChatPanel fixed slide-in panel with FAB (bottom-right) and composer tag selector (Generale + phases); PhaseCard gets chat-bubble icon pre-tagging that phase; inline ChatSection block removed from dashboard main column

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/components/client/PhaseCard.tsx

@@ -5,6 +5,7 @@ import { Progress } from "@/components/ui/progress";
 import { Badge } from "@/components/ui/badge";
 import { Card } from "@/components/ui/card";
 import { ApproveButton } from "@/components/client/ApproveButton";
+import { useChatContext } from "@/components/client/ChatProvider";
 import type { ClientView } from "@/lib/client-view";
 
 type Phase = ClientView["phases"][number];
@@ -75,6 +76,7 @@ export function PhaseCard({
   defaultOpen: boolean;
 }) {
   const [open, setOpen] = useState(defaultOpen);
+  const { openChat } = useChatContext();
   const doneCount = phase.tasks.filter((t) => t.status === "done").length;
 
   return (
@@ -95,6 +97,20 @@ export function PhaseCard({
             <Badge className={`text-xs ${phaseStatusStyle[phase.status]}`}>
               {phaseStatusLabel[phase.status]}
             </Badge>
+            {/* Chat bubble — opens panel pre-tagged with this phase */}
+            <button
+              type="button"
+              onClick={(e) => {
+                e.stopPropagation(); // don't toggle accordion
+                openChat(phase.id);
+              }}
+              aria-label="Apri chat per questa fase"
+              className="p-1 rounded-md text-[#999999] hover:text-[#1A463C] hover:bg-[#f0f7f4] transition-colors"
+            >
+              <svg className="w-4 h-4" fill="none" stroke="currentColor" strokeWidth={1.8} viewBox="0 0 24 24" aria-hidden="true">
+                <path strokeLinecap="round" strokeLinejoin="round" d="M8 10h.01M12 10h.01M16 10h.01M21 12c0 4.418-4.03 8-9 8a9.77 9.77 0 01-4-.83L3 20l1.09-3.27C3.39 15.56 3 13.83 3 12c0-4.418 4.03-8 9-8s9 3.582 9 8z" />
+              </svg>
+            </button>
             <svg
               className={`w-4 h-4 text-[#999999] transition-transform ${open ? "rotate-180" : ""}`}
               fill="none"