feat(registratura): add Conex (reply) + Inchide buttons, reorder completari last

- Conex button on table rows (Reply icon, blue) — opens new entry with threadParentId pre-set + flipped direction
- Conex button on detail panel — same behavior
- Inchide button on table rows (CheckCircle2 icon, green) — only for open entries
- replyTo prop on RegistryEntryForm: pre-sets threadParentId + direction flip (intrat→iesit, iesit→intrat)
- Card header shows "Conex la BTG-0042/2026" with blue badge when replying
- Completari moved to last position in deadline category order

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

src/modules/registratura/components/registry-table.tsx

@@ -10,6 +10,8 @@ import {
   User,
   Settings2,
   Paperclip,
+  Reply,
+  CheckCircle2,
 } from "lucide-react";
 import { Button } from "@/shared/components/ui/button";
 import { Badge } from "@/shared/components/ui/badge";
@@ -39,6 +41,8 @@ interface RegistryTableProps {
   onEdit: (entry: RegistryEntry) => void;
   onDelete: (id: string) => void;
   onClose: (id: string) => void;
+  /** Create a new entry linked as reply (conex) to this entry */
+  onReply?: (entry: RegistryEntry) => void;
 }
 
 // ── Column definitions ──
@@ -175,6 +179,7 @@ export function RegistryTable({
   onEdit,
   onDelete,
   onClose,
+  onReply,
 }: RegistryTableProps) {
   const [visibleCols, setVisibleCols] = useState<Set<ColumnId>>(
     () => DEFAULT_VISIBLE,
@@ -465,10 +470,38 @@ export function RegistryTable({
                           e.stopPropagation();
                           onEdit(entry);
                         }}
-                        title="Editează"
+                        title="Editeaza"
                       >
                         <Pencil className="h-3.5 w-3.5" />
                       </Button>
+                      {onReply && (
+                        <Button
+                          variant="ghost"
+                          size="icon"
+                          className="h-7 w-7 text-blue-600"
+                          onClick={(e) => {
+                            e.stopPropagation();
+                            onReply(entry);
+                          }}
+                          title="Conex — creeaza raspuns"
+                        >
+                          <Reply className="h-3.5 w-3.5" />
+                        </Button>
+                      )}
+                      {entry.status === "deschis" && (
+                        <Button
+                          variant="ghost"
+                          size="icon"
+                          className="h-7 w-7 text-green-600"
+                          onClick={(e) => {
+                            e.stopPropagation();
+                            onClose(entry.id);
+                          }}
+                          title="Inchide"
+                        >
+                          <CheckCircle2 className="h-3.5 w-3.5" />
+                        </Button>
+                      )}
                     </div>
                   </td>
                 </tr>