Add status icons, descriptions, status guide, manual status changer, and merge action buttons into overview tab

- StatusBadge: added icons (lucide-react) and Hebrew descriptions for all 13 statuses
- WorkflowTimeline: added phase icons and current-status description display
- StatusGuide: new collapsible component showing all statuses grouped by phase with explanations
- StatusChanger: new dropdown for manual status override on the case detail sidebar
- Case detail page: merged action buttons into overview tab, removed separate actions tab

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

web-ui/src/components/cases/status-badge.tsx

@@ -1,5 +1,11 @@
 import { Badge } from "@/components/ui/badge";
+import {
+  FilePlus2, Upload, Loader2, FileCheck, Target,
+  Lightbulb, Compass, PenLine, SearchCheck, FileText,
+  FileOutput, CheckCircle2, Award,
+} from "lucide-react";
 import type { CaseStatus } from "@/lib/api/cases";
+import type { LucideIcon } from "lucide-react";
 
 const STATUS_LABELS: Record<CaseStatus, string> = {
   new: "חדש",
@@ -17,6 +23,38 @@ const STATUS_LABELS: Record<CaseStatus, string> = {
   final: "סופי",
 };
 
+const STATUS_ICONS: Record<CaseStatus, LucideIcon> = {
+  new:                FilePlus2,
+  uploading:          Upload,
+  processing:         Loader2,
+  documents_ready:    FileCheck,
+  outcome_set:        Target,
+  brainstorming:      Lightbulb,
+  direction_approved: Compass,
+  drafting:           PenLine,
+  qa_review:          SearchCheck,
+  drafted:            FileText,
+  exported:           FileOutput,
+  reviewed:           CheckCircle2,
+  final:              Award,
+};
+
+const STATUS_DESCRIPTIONS: Record<CaseStatus, string> = {
+  new:                "התיק נוצר וממתין להעלאת מסמכים",
+  uploading:          "מסמכים בתהליך העלאה לשרת",
+  processing:         "המערכת מעבדת ומנתחת את המסמכים",
+  documents_ready:    "כל המסמכים עובדו ומוכנים לעבודה",
+  outcome_set:        "נקבעה תוצאה צפויה לערר",
+  brainstorming:      "ניתוח כיוונים אפשריים להחלטה",
+  direction_approved: "כיוון ההחלטה אושר — ניתן להתחיל כתיבה",
+  drafting:           "טיוטת ההחלטה בתהליך כתיבה",
+  qa_review:          "הטיוטה בבדיקת איכות אוטומטית",
+  drafted:            "טיוטה ראשונה מוכנה לעיון",
+  exported:           "ההחלטה יוצאה לקובץ DOCX",
+  reviewed:           "ההחלטה נבדקה ע\"י היו\"ר",
+  final:              "החלטה סופית — מוכנה להגשה",
+};
+
 /* Status color groups:
  * intake  → new, uploading, processing          (muted parchment)
  * prep    → documents_ready, outcome_set        (info blue)
@@ -40,14 +78,16 @@ const STATUS_TONE: Record<CaseStatus, string> = {
 };
 
 export function StatusBadge({ status }: { status: CaseStatus }) {
+  const Icon = STATUS_ICONS[status];
   return (
     <Badge
       variant="outline"
-      className={`rounded-full px-2.5 py-0.5 text-[0.72rem] font-medium ${STATUS_TONE[status] ?? ""}`}
+      className={`rounded-full px-2.5 py-0.5 text-[0.72rem] font-medium inline-flex items-center gap-1 ${STATUS_TONE[status] ?? ""}`}
     >
+      {Icon && <Icon className="w-3 h-3 shrink-0" />}
       {STATUS_LABELS[status] ?? status}
     </Badge>
   );
 }
 
-export { STATUS_LABELS };
+export { STATUS_LABELS, STATUS_ICONS, STATUS_DESCRIPTIONS, STATUS_TONE };