feat(search): pg_trgm-Suchindex + Backend-Endpunkt statt Client-Filter
Command Palette lud bisher beim Öffnen ALLE Objekte und filterte nur clientseitig per .includes() - unscharf und würde bei mehr Objekten langsam werden. Jetzt: GIN-Trigram-Index auf objekt.name/code (Migration 0023), neuer GET /suche?q=-Endpunkt (Ähnlichkeits-Ranking per pg_trgm similarity()), Frontend debounced (250ms) statt vollständiger Objektliste. Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_01CVgbozhYmuEhiEJHffRXCV
This commit is contained in:
@@ -1,2 +1,3 @@
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*~
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screenshots/
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subagents-sammlung/
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@@ -0,0 +1,26 @@
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"""SEARCH-001: pg_trgm-Erweiterung + GIN-Trigram-Index auf Objekt.name/code.
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Revision ID: 0023_suchindex
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Revises: 0022_wartung
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Create Date: 2026-09-08
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"""
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from typing import Sequence, Union
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from alembic import op
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revision: str = "0023_suchindex"
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down_revision: Union[str, None] = "0022_wartung"
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branch_labels: Union[str, Sequence[str], None] = None
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depends_on: Union[str, Sequence[str], None] = None
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def upgrade() -> None:
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op.execute("CREATE EXTENSION IF NOT EXISTS pg_trgm")
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op.execute("CREATE INDEX ix_objekt_name_trgm ON objekt USING GIN (name gin_trgm_ops)")
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op.execute("CREATE INDEX ix_objekt_code_trgm ON objekt USING GIN (code gin_trgm_ops)")
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def downgrade() -> None:
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op.execute("DROP INDEX IF EXISTS ix_objekt_code_trgm")
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op.execute("DROP INDEX IF EXISTS ix_objekt_name_trgm")
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op.execute("DROP EXTENSION IF EXISTS pg_trgm")
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@@ -20,6 +20,7 @@ from app.api.v1.endpoints import (
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permission,
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personal,
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stammdaten,
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suche,
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vorlagen,
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wartung,
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zustaendigkeit,
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@@ -48,3 +49,4 @@ api_router.include_router(akte.router, tags=["akte"])
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api_router.include_router(lager.router, tags=["lager"])
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api_router.include_router(ausgabe.router, tags=["ausgabe"])
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api_router.include_router(wartung.router, tags=["wartung"])
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api_router.include_router(suche.router, tags=["suche"])
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@@ -0,0 +1,38 @@
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from fastapi import APIRouter, Depends
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from sqlalchemy import func, or_, select
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from sqlalchemy.ext.asyncio import AsyncSession
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from app.api.deps import get_current_user
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from app.db.session import get_db
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from app.models.objekt import Objekt
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from app.schemas.suche import SuchTreffer
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router = APIRouter()
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_TREFFER_LIMIT = 8
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@router.get("/suche", response_model=list[SuchTreffer])
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async def suche(
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q: str,
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db: AsyncSession = Depends(get_db),
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_=Depends(get_current_user),
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) -> list[SuchTreffer]:
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"""Globale Suche (Command Palette) über Objektname/-code, per pg_trgm-
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Index statt vollständig geladener Objektliste + Client-Filter (SEARCH-001).
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Kurze Eingaben (<2 Zeichen) liefern bewusst nichts - sonst zu viele
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Zufallstreffer über den Ähnlichkeits-Schwellenwert von pg_trgm."""
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q = q.strip()
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if len(q) < 2:
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return []
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muster = f"%{q}%"
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aehnlichkeit = func.greatest(func.similarity(Objekt.name, q), func.similarity(Objekt.code, q))
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stmt = (
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select(Objekt.id, Objekt.code, Objekt.name)
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.where(or_(Objekt.name.ilike(muster), Objekt.code.ilike(muster), aehnlichkeit > 0.2))
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.order_by(aehnlichkeit.desc())
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.limit(_TREFFER_LIMIT)
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)
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result = await db.execute(stmt)
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return [SuchTreffer(id=r.id, code=r.code, name=r.name) for r in result.all()]
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@@ -0,0 +1,7 @@
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from pydantic import BaseModel
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class SuchTreffer(BaseModel):
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id: int
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code: str
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name: str
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@@ -0,0 +1,32 @@
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import pytest
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from tests.conftest import auth_header, login
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@pytest.mark.asyncio
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async def test_suche_findet_treffer_ueber_name_und_code(client, objekt_mit_position, mitarbeiter_user):
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"""SEARCH-001: Objekt per (Teil-)Name UND per Code auffindbar."""
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objekt, _ = objekt_mit_position
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token = await login(client, "mitarbeiter1")
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per_name = await client.get("/api/v1/suche?q=Kontroll-Test", headers=auth_header(token))
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assert per_name.status_code == 200
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treffer_ids = [t["id"] for t in per_name.json()]
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assert objekt.id in treffer_ids
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per_code = await client.get("/api/v1/suche?q=KT-01", headers=auth_header(token))
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assert objekt.id in [t["id"] for t in per_code.json()]
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@pytest.mark.asyncio
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async def test_suche_zu_kurze_eingabe_liefert_leer(client, objekt_mit_position, mitarbeiter_user):
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token = await login(client, "mitarbeiter1")
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antwort = await client.get("/api/v1/suche?q=K", headers=auth_header(token))
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assert antwort.status_code == 200
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assert antwort.json() == []
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@pytest.mark.asyncio
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async def test_suche_ohne_login_abgelehnt(client, objekt_mit_position):
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antwort = await client.get("/api/v1/suche?q=Kontroll")
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assert antwort.status_code == 401
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@@ -3,7 +3,12 @@ import { useNavigate } from "react-router-dom";
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import { apiRequest } from "../api/client";
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import { useAuth } from "../auth/AuthContext";
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import type { Objekt } from "../api/types";
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interface SuchTreffer {
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id: number;
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code: string;
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name: string;
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}
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interface Eintrag {
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id: string;
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@@ -22,7 +27,7 @@ export function CommandPalette() {
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const { istVerantwortlich, istAdmin } = useAuth();
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const [offen, setOffen] = useState(false);
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const [suche, setSuche] = useState("");
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const [objekte, setObjekte] = useState<Objekt[]>([]);
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const [objektTreffer, setObjektTreffer] = useState<SuchTreffer[]>([]);
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useEffect(() => {
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function onKeyDown(e: KeyboardEvent) {
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@@ -44,13 +49,34 @@ export function CommandPalette() {
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}, []);
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useEffect(() => {
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if (offen && objekte.length === 0) {
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apiRequest<Objekt[]>("/objekte")
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.then(setObjekte)
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.catch(() => undefined);
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if (!offen) {
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setSuche("");
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setObjektTreffer([]);
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}
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if (!offen) setSuche("");
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}, [offen, objekte.length]);
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}, [offen]);
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// Debounced Backend-Suche statt kompletter Objektliste + Client-Filter
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// (SEARCH-001) - vorher wurden ALLE Objekte beim Öffnen geladen und nur
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// clientseitig gefiltert, was bei vielen Objekten langsam/unscharf würde.
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useEffect(() => {
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const trimmed = suche.trim();
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if (trimmed.length < 2) {
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setObjektTreffer([]);
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return;
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}
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let abgebrochen = false;
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const timer = setTimeout(() => {
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apiRequest<SuchTreffer[]>(`/suche?q=${encodeURIComponent(trimmed)}`)
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.then((treffer) => {
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if (!abgebrochen) setObjektTreffer(treffer);
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})
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.catch(() => undefined);
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}, 250);
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return () => {
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abgebrochen = true;
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clearTimeout(timer);
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};
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}, [suche]);
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const aktionen = useMemo<Eintrag[]>(() => {
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const liste: Eintrag[] = [
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@@ -83,19 +109,16 @@ export function CommandPalette() {
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return liste;
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}, [navigate, istVerantwortlich, istAdmin]);
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const objektTreffer = useMemo<Eintrag[]>(() => {
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if (suche.trim().length === 0) return [];
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const s = suche.toLowerCase();
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return objekte
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.filter((o) => o.name.toLowerCase().includes(s) || o.code.toLowerCase().includes(s))
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.slice(0, 8)
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.map((o) => ({
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const objektEintraege = useMemo<Eintrag[]>(
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() =>
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objektTreffer.map((o) => ({
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id: `objekt-${o.id}`,
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label: o.name,
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hinweis: o.code,
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gehe: () => navigate(`/akte/objekt/${o.id}`),
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}));
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}, [suche, objekte, navigate]);
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})),
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[objektTreffer, navigate]
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);
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const gefilterteAktionen = useMemo(() => {
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if (suche.trim().length === 0) return aktionen;
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@@ -105,7 +128,7 @@ export function CommandPalette() {
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if (!offen) return null;
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const treffer = [...objektTreffer, ...gefilterteAktionen];
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const treffer = [...objektEintraege, ...gefilterteAktionen];
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function auswaehlen(eintrag: Eintrag) {
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eintrag.gehe();
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