fix: show individual case data in Wochenübersicht preview instead of aggregated summaries

Preview now mirrors the Excel export content: KVNR, Datum, x-markers
for Erstgespräch/Abbruch/Unterlagen/Gutachten/FG, and ICD-10 per case,
grouped by KW blocks.

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

backend/app/api/reports.py

@@ -360,20 +360,26 @@ def generate_wochenuebersicht(
         )
         .first()
     )
-    # Build per-KW summary for frontend preview
+    # Build per-KW case data for frontend preview (mirrors Excel content)
     fg1, fg2 = fallgruppen
     fg1_label, fg2_label = type_cfg["fg_labels"]
-    weeks_summary = []
+    weeks_data = []
     for kw in sorted(cases_by_kw.keys(), reverse=True):
-        kw_cases = cases_by_kw[kw]
+        kw_cases = sorted(cases_by_kw[kw], key=lambda c: (c.datum or date.min))
-        weeks_summary.append({
+        rows = []
-            "kw": kw,
+        for c in kw_cases:
-            "count": len(kw_cases),
+            rows.append({
-            "with_icd": sum(1 for c in kw_cases if c.icd),
+                "kvnr": c.kvnr or "",
-            "fg1_count": sum(1 for c in kw_cases if c.fallgruppe == fg1),
+                "datum": c.datum.strftime("%d.%m.%Y") if c.datum else "",
-            "fg2_count": sum(1 for c in kw_cases if c.fallgruppe == fg2),
+                "erstgespraech": True,
-            "gutachten": sum(1 for c in kw_cases if c.gutachten),
+                "abbruch": bool(c.ablehnung or c.abbruch),
+                "unterlagen": bool(c.unterlagen and not c.ablehnung and not c.abbruch),
+                "gutachten": bool(c.gutachten),
+                "fg1": c.fallgruppe == fg1,
+                "fg2": c.fallgruppe == fg2,
+                "icd": c.icd or "",
             })
+        weeks_data.append({"kw": kw, "cases": rows})
 
     report_data = {
         "export_type": export_type,
@@ -382,7 +388,7 @@ def generate_wochenuebersicht(
         "case_count": len(cases),
         "fg1_label": fg1_label,
         "fg2_label": fg2_label,
-        "weeks": weeks_summary,
+        "weeks": weeks_data,
     }
     if report:
         report.report_date = date.today()

frontend/src/pages/WochenuebersichtPage.tsx

@@ -17,7 +17,7 @@ import {
   Select, SelectContent, SelectItem, SelectTrigger, SelectValue,
 } from '@/components/ui/select'
 import {
-  Table, TableBody, TableCell, TableFooter, TableHead, TableHeader, TableRow,
+  Table, TableBody, TableCell, TableHead, TableHeader, TableRow,
 } from '@/components/ui/table'
 import { Skeleton } from '@/components/ui/skeleton'
 import { Alert, AlertDescription } from '@/components/ui/alert'
@@ -487,28 +487,33 @@ export function WochenuebersichtPage() {
 
 
 // ---------------------------------------------------------------------------
-// Wochenübersicht Viewer (inline preview)
+// Wochenübersicht Viewer (inline preview — individual cases per KW)
 // ---------------------------------------------------------------------------
 
-interface WeekSummary {
+interface CaseRow {
+  kvnr: string
+  datum: string
+  erstgespraech: boolean
+  abbruch: boolean
+  unterlagen: boolean
+  gutachten: boolean
+  fg1: boolean
+  fg2: boolean
+  icd: string
+}
+
+interface WeekBlock {
   kw: number
-  count: number
+  cases: CaseRow[]
-  with_icd: number
-  fg1_count: number
-  fg2_count: number
-  gutachten: number
 }
 
 // eslint-disable-next-line @typescript-eslint/no-explicit-any
 function WochenuebersichtViewer({ data }: { data: Record<string, any> }) {
-  const weeks: WeekSummary[] = data?.weeks ?? []
+  const weeks: WeekBlock[] = data?.weeks ?? []
   const fg1Label: string = data?.fg1_label ?? 'FG1'
   const fg2Label: string = data?.fg2_label ?? 'FG2'
-  const kwVon: number = data?.kw_von ?? '?'
-  const kwBis: number = data?.kw_bis ?? '?'
-  const totalCases: number = data?.case_count ?? 0
 
-  if (!weeks.length) {
+  if (!weeks.length || weeks.every((w) => w.cases.length === 0)) {
     return (
       <p className="py-4 text-center text-muted-foreground">
         Keine Vorschaudaten verfügbar.
@@ -516,62 +521,58 @@ function WochenuebersichtViewer({ data }: { data: Record<string, any> }) {
     )
   }
 
-  const totals = weeks.reduce(
+  const totalCases = weeks.reduce((sum, w) => sum + w.cases.length, 0)
-    (acc, w) => ({
+  const totalIcd = weeks.reduce(
-      count: acc.count + w.count,
+    (sum, w) => sum + w.cases.filter((c) => c.icd).length, 0,
-      with_icd: acc.with_icd + w.with_icd,
-      fg1: acc.fg1 + w.fg1_count,
-      fg2: acc.fg2 + w.fg2_count,
-      gutachten: acc.gutachten + w.gutachten,
-    }),
-    { count: 0, with_icd: 0, fg1: 0, fg2: 0, gutachten: 0 },
   )
 
   return (
-    <div className="space-y-3">
+    <div className="space-y-4">
       <div className="flex items-center gap-4 text-sm text-muted-foreground">
-        <span>KW {kwVon}–{kwBis}</span>
         <span>{totalCases} Fälle gesamt</span>
-        <span>{totals.with_icd} mit ICD</span>
+        <span>{totalIcd} mit ICD</span>
       </div>
+      {weeks.map((week) => (
+        <div key={week.kw}>
+          <h4 className="text-sm font-semibold mb-1">
+            KW {week.kw} — {week.cases.length} Fälle
+          </h4>
+          {week.cases.length > 0 ? (
             <Table>
               <TableHeader>
                 <TableRow>
-            <TableHead>KW</TableHead>
+                  <TableHead>KVNR</TableHead>
-            <TableHead className="text-right">Fälle</TableHead>
+                  <TableHead>Datum</TableHead>
-            <TableHead className="text-right">{fg1Label}</TableHead>
+                  <TableHead className="text-center">Erstgespräch</TableHead>
-            <TableHead className="text-right">{fg2Label}</TableHead>
+                  <TableHead className="text-center">Abbruch</TableHead>
-            <TableHead className="text-right">Gutachten</TableHead>
+                  <TableHead className="text-center">Unterlagen</TableHead>
-            <TableHead className="text-right">mit ICD</TableHead>
+                  <TableHead className="text-center">Gutachten</TableHead>
+                  <TableHead className="text-center">{fg1Label}</TableHead>
+                  <TableHead className="text-center">{fg2Label}</TableHead>
+                  <TableHead>ICD-10</TableHead>
                 </TableRow>
               </TableHeader>
               <TableBody>
-          {weeks.map((w) => (
+                {week.cases.map((c, i) => (
-            <TableRow key={w.kw}>
+                  <TableRow key={i}>
-              <TableCell>KW {w.kw}</TableCell>
+                    <TableCell className="font-mono text-xs">{c.kvnr || '—'}</TableCell>
-              <TableCell className="text-right">{w.count}</TableCell>
+                    <TableCell className="text-xs">{c.datum}</TableCell>
-              <TableCell className="text-right">{w.fg1_count}</TableCell>
+                    <TableCell className="text-center">{c.erstgespraech ? 'x' : ''}</TableCell>
-              <TableCell className="text-right">{w.fg2_count}</TableCell>
+                    <TableCell className="text-center">{c.abbruch ? 'x' : ''}</TableCell>
-              <TableCell className="text-right">{w.gutachten}</TableCell>
+                    <TableCell className="text-center">{c.unterlagen ? 'x' : ''}</TableCell>
-              <TableCell className="text-right">
+                    <TableCell className="text-center">{c.gutachten ? 'x' : ''}</TableCell>
-                {w.with_icd}/{w.count}
+                    <TableCell className="text-center">{c.fg1 ? 'x' : ''}</TableCell>
-              </TableCell>
+                    <TableCell className="text-center">{c.fg2 ? 'x' : ''}</TableCell>
+                    <TableCell className="font-mono text-xs">{c.icd || ''}</TableCell>
                   </TableRow>
                 ))}
               </TableBody>
-        <TableFooter>
-          <TableRow>
-            <TableCell className="font-bold">Gesamt</TableCell>
-            <TableCell className="text-right font-bold">{totals.count}</TableCell>
-            <TableCell className="text-right font-bold">{totals.fg1}</TableCell>
-            <TableCell className="text-right font-bold">{totals.fg2}</TableCell>
-            <TableCell className="text-right font-bold">{totals.gutachten}</TableCell>
-            <TableCell className="text-right font-bold">
-              {totals.with_icd}/{totals.count}
-            </TableCell>
-          </TableRow>
-        </TableFooter>
             </Table>
+          ) : (
+            <p className="text-xs text-muted-foreground">Keine Fälle in dieser KW.</p>
+          )}
+        </div>
+      ))}
     </div>
   )
 }