feat(frontend): Durchsichten-Modul (Modul 5)

Mobile-optimiertes Schnellformular unter /inspections/new sowie
"Durchsichten"-Ansicht auf der Volk-Detailseite.

ApiCore-Frontend/src/app/(app)/colonies/[id]/colony-inspections.tsx

@@ -0,0 +1,53 @@
+"use client";
+
+import Link from "next/link";
+import { useQuery } from "@tanstack/react-query";
+import { fetchColonyInspections } from "@/lib/inspections/api";
+import { Button } from "@/components/ui/button";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+
+export function ColonyInspectionsCard({ colonyId }: { colonyId: string }) {
+  const { data: inspections, isLoading } = useQuery({
+    queryKey: ["colonies", colonyId, "inspections"],
+    queryFn: () => fetchColonyInspections(colonyId),
+  });
+
+  return (
+    <Card className="max-w-lg">
+      <CardHeader className="flex flex-row items-center justify-between">
+        <CardTitle>Durchsichten</CardTitle>
+        <Button
+          size="sm"
+          nativeButton={false}
+          render={<Link href={`/inspections/new?colonyId=${colonyId}`} />}
+        >
+          Neue Durchsicht
+        </Button>
+      </CardHeader>
+      <CardContent className="flex flex-col gap-3 text-sm">
+        {isLoading ? <p className="text-muted-foreground">Lädt…</p> : null}
+        {!isLoading && (!inspections || inspections.length === 0) ? (
+          <p className="text-muted-foreground">Noch keine Durchsicht dokumentiert.</p>
+        ) : null}
+        {inspections?.map((inspection) => (
+          <div key={inspection.id} className="rounded-md border p-3">
+            <p className="font-medium">
+              {new Date(inspection.date).toLocaleDateString("de-DE")}
+            </p>
+            <p className="text-muted-foreground">
+              {inspection.colonyStrength !== null
+                ? `${inspection.colonyStrength} Waben`
+                : "Stärke unbekannt"}
+              {inspection.queenSeen !== null
+                ? ` · Königin ${inspection.queenSeen ? "gesehen" : "nicht gesehen"}`
+                : ""}
+            </p>
+            {inspection.healthIssues ? <p>Gesundheit: {inspection.healthIssues}</p> : null}
+            {inspection.varroaIssues ? <p>Varroa: {inspection.varroaIssues}</p> : null}
+            {inspection.measures ? <p>Maßnahmen: {inspection.measures}</p> : null}
+          </div>
+        ))}
+      </CardContent>
+    </Card>
+  );
+}

ApiCore-Frontend/src/app/(app)/colonies/[id]/page.tsx

@@ -6,6 +6,7 @@ import { fetchColony } from "@/lib/colonies/api";
 import { ColonyEditCard } from "./colony-edit-card";
 import { ColonyActions } from "./colony-actions";
 import { ColonyHistoryCard } from "./colony-history";
+import { ColonyInspectionsCard } from "./colony-inspections";
 
 export default function ColonyDetailPage() {
   const params = useParams<{ id: string }>();
@@ -29,6 +30,7 @@ export default function ColonyDetailPage() {
     <main className="flex flex-col gap-4 p-4 sm:p-6">
       <ColonyEditCard key={colony.id} colony={colony} />
       <ColonyActions colony={colony} />
+      <ColonyInspectionsCard colonyId={colony.id} />
       <ColonyHistoryCard colonyId={colony.id} />
     </main>
   );

ApiCore-Frontend/src/app/(app)/inspections/new/page.tsx

@@ -0,0 +1,209 @@
+"use client";
+
+import { FormEvent, useState } from "react";
+import { useRouter, useSearchParams } from "next/navigation";
+import { useMutation, useQuery, useQueryClient } from "@tanstack/react-query";
+import { fetchColonies } from "@/lib/colonies/api";
+import { createInspection } from "@/lib/inspections/api";
+import { Button } from "@/components/ui/button";
+import { Input } from "@/components/ui/input";
+import { Label } from "@/components/ui/label";
+import { Textarea } from "@/components/ui/textarea";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@/components/ui/select";
+import { Card, CardContent, CardHeader, CardTitle } from "@/components/ui/card";
+
+function todayIsoDate(): string {
+  return new Date().toISOString().slice(0, 10);
+}
+
+export default function NewInspectionPage() {
+  const router = useRouter();
+  const searchParams = useSearchParams();
+  const queryClient = useQueryClient();
+
+  const { data: colonies } = useQuery({
+    queryKey: ["colonies"],
+    queryFn: fetchColonies,
+  });
+  const activeColonies = colonies?.filter((colony) => colony.status === "ACTIVE") ?? [];
+
+  const [colonyId, setColonyId] = useState(searchParams.get("colonyId") ?? "");
+  const [date, setDate] = useState(todayIsoDate());
+  const [colonyStrength, setColonyStrength] = useState("");
+  const [queenSeen, setQueenSeen] = useState(false);
+  const [queenCellsPresent, setQueenCellsPresent] = useState(false);
+  const [feedStatusOk, setFeedStatusOk] = useState(true);
+  const [healthIssues, setHealthIssues] = useState("");
+  const [varroaIssues, setVarroaIssues] = useState("");
+  const [measures, setMeasures] = useState("");
+  const [notes, setNotes] = useState("");
+  const [error, setError] = useState<string | null>(null);
+
+  const mutation = useMutation({
+    mutationFn: createInspection,
+    onSuccess: (inspection) => {
+      void queryClient.invalidateQueries({
+        queryKey: ["colonies", inspection.colonyId, "inspections"],
+      });
+      router.push(`/colonies/${inspection.colonyId}`);
+    },
+    onError: () => {
+      setError("Durchsicht konnte nicht gespeichert werden.");
+    },
+  });
+
+  function handleSubmit(event: FormEvent<HTMLFormElement>) {
+    event.preventDefault();
+    setError(null);
+    if (!colonyId) {
+      setError("Bitte ein Volk auswählen.");
+      return;
+    }
+    mutation.mutate({
+      colonyId,
+      date: new Date(date).toISOString(),
+      colonyStrength: colonyStrength ? Number(colonyStrength) : undefined,
+      queenSeen,
+      queenCellsPresent,
+      feedStatus: feedStatusOk ? "ausreichend" : "niedrig",
+      healthIssues: healthIssues || undefined,
+      varroaIssues: varroaIssues || undefined,
+      measures: measures || undefined,
+      notes: notes || undefined,
+    });
+  }
+
+  return (
+    <main className="p-4 sm:p-6">
+      <Card className="max-w-lg">
+        <CardHeader>
+          <CardTitle>Neue Durchsicht</CardTitle>
+        </CardHeader>
+        <CardContent>
+          <form className="flex flex-col gap-5" onSubmit={handleSubmit}>
+            <div className="flex flex-col gap-2">
+              <Label htmlFor="inspection-colony">Volk</Label>
+              <Select value={colonyId} onValueChange={(value) => setColonyId(value ?? "")}>
+                <SelectTrigger id="inspection-colony" className="h-11 w-full">
+                  <SelectValue placeholder="Volk wählen" />
+                </SelectTrigger>
+                <SelectContent>
+                  {activeColonies.map((colony) => (
+                    <SelectItem key={colony.id} value={colony.id}>
+                      {colony.code}
+                    </SelectItem>
+                  ))}
+                </SelectContent>
+              </Select>
+            </div>
+            <div className="flex flex-col gap-2">
+              <Label htmlFor="inspection-date">Datum</Label>
+              <Input
+                id="inspection-date"
+                type="date"
+                required
+                className="h-11"
+                value={date}
+                onChange={(event) => setDate(event.target.value)}
+              />
+            </div>
+            <div className="flex flex-col gap-2">
+              <Label htmlFor="inspection-strength">Volksstärke (Waben)</Label>
+              <Input
+                id="inspection-strength"
+                type="number"
+                inputMode="numeric"
+                className="h-11"
+                value={colonyStrength}
+                onChange={(event) => setColonyStrength(event.target.value)}
+              />
+            </div>
+            <div className="flex flex-col gap-3">
+              <label className="flex h-11 items-center gap-3 text-sm" htmlFor="inspection-queen-seen">
+                <input
+                  id="inspection-queen-seen"
+                  type="checkbox"
+                  className="size-5"
+                  checked={queenSeen}
+                  onChange={(event) => setQueenSeen(event.target.checked)}
+                />
+                Königin gesehen
+              </label>
+              <label
+                className="flex h-11 items-center gap-3 text-sm"
+                htmlFor="inspection-queen-cells"
+              >
+                <input
+                  id="inspection-queen-cells"
+                  type="checkbox"
+                  className="size-5"
+                  checked={queenCellsPresent}
+                  onChange={(event) => setQueenCellsPresent(event.target.checked)}
+                />
+                Weiselzellen vorhanden
+              </label>
+              <label className="flex h-11 items-center gap-3 text-sm" htmlFor="inspection-feed-ok">
+                <input
+                  id="inspection-feed-ok"
+                  type="checkbox"
+                  className="size-5"
+                  checked={feedStatusOk}
+                  onChange={(event) => setFeedStatusOk(event.target.checked)}
+                />
+                Futtervorrat ausreichend
+              </label>
+            </div>
+            <div className="flex flex-col gap-2">
+              <Label htmlFor="inspection-varroa">Varroa-Befund</Label>
+              <Input
+                id="inspection-varroa"
+                className="h-11"
+                value={varroaIssues}
+                onChange={(event) => setVarroaIssues(event.target.value)}
+              />
+            </div>
+            <div className="flex flex-col gap-2">
+              <Label htmlFor="inspection-health">Gesundheitsauffälligkeiten</Label>
+              <Input
+                id="inspection-health"
+                className="h-11"
+                value={healthIssues}
+                onChange={(event) => setHealthIssues(event.target.value)}
+              />
+            </div>
+            <div className="flex flex-col gap-2">
+              <Label htmlFor="inspection-measures">Maßnahmen</Label>
+              <Textarea
+                id="inspection-measures"
+                value={measures}
+                onChange={(event) => setMeasures(event.target.value)}
+              />
+            </div>
+            <div className="flex flex-col gap-2">
+              <Label htmlFor="inspection-notes">Notizen</Label>
+              <Textarea
+                id="inspection-notes"
+                value={notes}
+                onChange={(event) => setNotes(event.target.value)}
+              />
+            </div>
+            {error ? (
+              <p role="alert" className="text-sm text-red-600">
+                {error}
+              </p>
+            ) : null}
+            <Button type="submit" className="h-12 text-base" disabled={mutation.isPending}>
+              {mutation.isPending ? "Wird gespeichert…" : "Durchsicht speichern"}
+            </Button>
+          </form>
+        </CardContent>
+      </Card>
+    </main>
+  );
+}