SRC-06: facetten-ui-filter-chips
Facetten-Oberfläche mit Filter-Chips: aktive Filter sichtbar, einzeln entfernbar, Trefferzahl je Facettenwert live angezeigt. - app/api/facets/route.ts: neue Backend-for-Frontend-Route, spiegelt mail/internal/search/facets.go minimal (nur Trefferzahl je Facettenwert). - lib/manticoreQuery.ts: gemeinsamer statischer bool.must-Aufbau für Such- und Facetten-Route, kein Sprintf/Join-artiger Klauselbau. - app/api/search/route.ts (SRC-04): akzeptiert jetzt wiederholbare ?filter=feld:wert-Parameter. - app/FacetPanel.tsx: ActiveFilterChips (echte <button>-Elemente, nativ tastaturbedienbar) + FacetPanel (Klick fügt Filter hinzu) + "Alle Filter zurücksetzen". - lib/filterState.ts: reine Filterzustandsfunktionen, ohne React. Prüfungen (alle real durchgeführt, siehe mail/docs/SRC-06-PRUEFPROTOKOLL.md): 1. Manueller Test gegen echten next start + live Manticore auf 192.168.1.131: Filterkombination reduziert Treffer UND Facettenzählungen real konsistent von 2 auf 1. 2. @testing-library/user-event: echte Tastatursimulation (Enter) löst Chip-Entfernung real aus. 3. 20 gleichzeitig aktive Filter erzeugen real 20 einzelne, nicht zusammengefasste Chips, kein Absturz. Kein Umbau: mail/internal/*, web/shl, web/retention-admin unverändert, bestehendes SRC-04-Verhalten unverändert. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01HhgFcLS8tYMhDJpP74C6AQ
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co-authored by
Claude Sonnet 5
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// SRC-06: Backend-for-Frontend-Route für Facettenzählungen. Spiegelt
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// mail/internal/search/facets.go (Client.Facets) minimal — nur die
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// Trefferzahl je Facettenwert (Akzeptanzkriterium 2), keine Zeitraum-
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// Buckets (nicht Bestandteil dieser Kachel). Statische Feldnamen, keine
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// dynamische SQL-/Klauselbildung (siehe lib/manticoreQuery.ts).
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import { NextRequest, NextResponse } from "next/server";
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import { FACET_FIELDS } from "../../../lib/facetFields";
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import { buildMust, parseFilterParams } from "../../../lib/manticoreQuery";
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const INDEX_NAME = "mail_documents";
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function manticoreURL(): string {
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const base = process.env.MANTICORE_URL;
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if (!base) {
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throw new Error("MANTICORE_URL ist nicht gesetzt (Umgebungsvariable erforderlich)");
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}
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return base.replace(/\/$/, "");
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}
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interface ManticoreFacetResponse {
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aggregations?: Record<string, { buckets?: { key: string; doc_count: number }[] }>;
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error?: string;
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}
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export async function GET(request: NextRequest) {
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const tenantSlug = request.nextUrl.searchParams.get("tenant");
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const query = request.nextUrl.searchParams.get("q") ?? "";
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if (!tenantSlug) {
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return NextResponse.json({ error: "'tenant' ist erforderlich" }, { status: 400 });
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}
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const filters = parseFilterParams(request.nextUrl.searchParams.getAll("filter"));
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const aggs: Record<string, unknown> = {};
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for (const field of FACET_FIELDS) {
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aggs[field] = { terms: { field, size: 100 } };
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}
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const manticorePayload = {
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index: INDEX_NAME,
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query: { bool: { must: buildMust(tenantSlug, query, filters) } },
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aggs,
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limit: 0,
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};
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let manticoreResponse: Response;
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try {
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manticoreResponse = await fetch(`${manticoreURL()}/search`, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify(manticorePayload),
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});
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} catch (err) {
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return NextResponse.json({ error: `Facetten nicht erreichbar: ${(err as Error).message}` }, { status: 502 });
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}
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const parsed: ManticoreFacetResponse = await manticoreResponse.json().catch(() => ({}));
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if (!manticoreResponse.ok || parsed.error) {
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return NextResponse.json({ error: parsed.error ?? "Facetten fehlgeschlagen" }, { status: 502 });
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}
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const values: Record<string, { value: string; count: number }[]> = {};
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for (const field of FACET_FIELDS) {
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const buckets = parsed.aggregations?.[field]?.buckets ?? [];
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values[field] = buckets.filter((b) => b.key !== "").map((b) => ({ value: b.key, count: b.doc_count }));
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}
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return NextResponse.json({ values });
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}
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@@ -9,9 +9,9 @@
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// Konvention wie mail/internal/search/fields.go).
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import { NextRequest, NextResponse } from "next/server";
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import { HIGHLIGHT_AFTER, HIGHLIGHT_BEFORE } from "../../../lib/highlight";
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import { buildMust, parseFilterParams } from "../../../lib/manticoreQuery";
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const INDEX_NAME = "mail_documents";
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const FIELD_TENANT_SLUG = "tenant_slug";
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function manticoreURL(): string {
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const base = process.env.MANTICORE_URL;
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@@ -39,11 +39,13 @@ export async function GET(request: NextRequest) {
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return NextResponse.json({ error: "'tenant' und 'q' sind erforderlich" }, { status: 400 });
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}
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const filters = parseFilterParams(request.nextUrl.searchParams.getAll("filter"));
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const manticorePayload = {
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index: INDEX_NAME,
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query: {
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bool: {
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must: [{ equals: { [FIELD_TENANT_SLUG]: tenantSlug } }, { query_string: query }],
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must: buildMust(tenantSlug, query, filters),
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},
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},
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highlight: {
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