Files
finanzen/src/components/chat/AgentChat.tsx
2026-06-23 21:13:02 +02:00

373 lines
11 KiB
TypeScript

import {
type ChangeEvent,
type FormEvent,
type HTMLAttributes,
type Ref,
} from "react";
import { Check, Loader2, Send, Wrench, X } from "lucide-react";
import { Button } from "@/components/ui/button";
import { cn } from "@/lib/utils";
import {
buildReasoningSteps,
getToolTraceSummary,
type AgentChatMessage,
type AgentCitation,
type AgentReasoningStep,
type AgentSource,
type AgentToolTrace,
} from "./agentChatModel";
export type { AgentChatMessage, AgentToolTrace } from "./agentChatModel";
type AgentConversationProps = HTMLAttributes<HTMLDivElement> & {
messages: AgentChatMessage[];
isSubmitting?: boolean;
scrollRef?: Ref<HTMLDivElement>;
};
type AgentMessageProps = HTMLAttributes<HTMLDivElement> & {
message: AgentChatMessage;
};
type AgentPromptInputProps = {
value: string;
placeholder: string;
disabled: boolean;
isSubmitting: boolean;
onChange: (value: string) => void;
onSubmit: (event: FormEvent<HTMLFormElement>) => void;
};
export type AgentActionPlanPreviewRow = {
date?: string;
description: string;
amount?: number;
currentCategoryName?: string;
targetCategoryName?: string;
action?: string;
};
export type AgentActionPlan = {
_id: string;
kind: "bulk_recategory" | "category_changes";
summary: string;
affectedCount: number;
expiresAt: number;
previewRows: AgentActionPlanPreviewRow[];
};
export function AgentConversation({
messages,
isSubmitting = false,
scrollRef,
className,
...props
}: AgentConversationProps) {
return (
<section
aria-label="Chatverlauf"
className={cn("h-[52vh] overflow-y-auto rounded-md border bg-background", className)}
ref={scrollRef}
{...props}
>
<div className="space-y-3 p-3">
{messages.map((message) => (
<AgentMessage key={message.id} message={message} />
))}
{isSubmitting && <AgentThinkingIndicator />}
</div>
</section>
);
}
export function AgentActionPlanList({
plans,
isApplying,
onApply,
onDismiss,
}: {
plans: AgentActionPlan[];
isApplying: boolean;
onApply: (planId: string) => void;
onDismiss: (planId: string) => void;
}) {
if (plans.length === 0) return null;
return (
<section className="rounded-md border bg-card p-3" aria-label="Vorschläge zur Bestätigung">
<div className="mb-3 flex items-center justify-between gap-3">
<div>
<p className="text-sm font-semibold">Vorschläge zur Bestätigung</p>
<p className="text-xs text-muted-foreground">
Änderungen werden erst nach deiner Bestätigung angewendet.
</p>
</div>
</div>
<div className="space-y-3">
{plans.map((plan) => (
<article className="rounded-md border bg-muted/20 p-3" key={plan._id}>
<div className="flex flex-col gap-3 sm:flex-row sm:items-start sm:justify-between">
<div className="min-w-0">
<p className="text-sm font-medium">{plan.summary}</p>
<p className="mt-1 text-xs text-muted-foreground">
{plan.affectedCount} {plan.affectedCount === 1 ? "Änderung" : "Änderungen"} · läuft ab{" "}
{formatActionPlanExpiry(plan.expiresAt)}
</p>
</div>
<div className="flex shrink-0 gap-2">
<Button
type="button"
size="sm"
onClick={() => onApply(plan._id)}
disabled={isApplying}
>
{isApplying ? <Loader2 className="h-4 w-4 animate-spin" /> : <Check className="h-4 w-4" />}
Anwenden
</Button>
<Button
type="button"
size="sm"
variant="outline"
onClick={() => onDismiss(plan._id)}
disabled={isApplying}
>
<X className="h-4 w-4" />
Verwerfen
</Button>
</div>
</div>
{plan.previewRows.length > 0 && (
<div className="mt-3 overflow-hidden rounded-md border bg-background/80">
{plan.previewRows.slice(0, 5).map((row, index) => (
<div
className="grid gap-1 border-b px-2 py-2 text-xs last:border-b-0 sm:grid-cols-[1fr_auto]"
key={`${plan._id}-${row.description}-${index}`}
>
<div className="min-w-0">
<p className="truncate font-medium text-foreground">
{row.date ? `${row.date} · ` : ""}
{row.description}
</p>
<p className="truncate text-muted-foreground">
{row.action ?? [row.currentCategoryName, row.targetCategoryName].filter(Boolean).join(" → ")}
</p>
</div>
{row.amount !== undefined && (
<p className="font-medium tabular-nums">{formatActionPlanAmount(row.amount)}</p>
)}
</div>
))}
</div>
)}
</article>
))}
</div>
</section>
);
}
export function AgentMessage({ message, className, ...props }: AgentMessageProps) {
const isUser = message.role === "user";
return (
<article
className={cn(
"flex w-full",
isUser ? "justify-end" : "justify-start",
className,
)}
{...props}
>
<div
className={cn(
"max-w-[min(100%,46rem)] rounded-lg border px-3 py-2 text-sm",
isUser ? "bg-muted/60" : "bg-card text-card-foreground",
)}
>
<p className="text-[0.7rem] font-medium uppercase text-muted-foreground">
{isUser ? "User" : "Assistant"}
</p>
<p className="mt-1 whitespace-pre-wrap leading-6">
<MessageContentWithCitations
content={message.content}
citations={message.citations}
/>
</p>
{!isUser && message.toolTrace && message.toolTrace.length > 0 && (
<AgentEvidencePanel sources={message.sources} toolTrace={message.toolTrace} />
)}
{!isUser && (!message.toolTrace || message.toolTrace.length === 0) && message.sources && message.sources.length > 0 && (
<AgentSources sources={message.sources} />
)}
</div>
</article>
);
}
function MessageContentWithCitations({
content,
citations,
}: {
content: string;
citations?: AgentCitation[];
}) {
if (!citations || citations.length === 0) return content;
const citationByMarker = new Map(citations.map((citation) => [citation.marker, citation]));
const parts = content.split(/(\[\d+\])/g);
return (
<>
{parts.map((part, index) => {
const marker = part.match(/^\[(\d+)\]$/)?.[1];
const citation = marker ? citationByMarker.get(marker) : undefined;
if (!citation) return <span key={`${part}-${index}`}>{part}</span>;
return (
<span
className="font-medium text-foreground"
aria-label={`Quelle ${citation.marker}: ${citation.sourceId}`}
data-source-id={citation.sourceId}
key={`${citation.sourceId}-${index}`}
>
{part}
</span>
);
})}
</>
);
}
function formatActionPlanAmount(amount: number) {
return new Intl.NumberFormat("de-DE", {
style: "currency",
currency: "EUR",
}).format(amount);
}
function formatActionPlanExpiry(expiresAt: number) {
return new Intl.DateTimeFormat("de-DE", {
day: "2-digit",
month: "2-digit",
hour: "2-digit",
minute: "2-digit",
}).format(new Date(expiresAt));
}
function AgentSources({ sources }: { sources: AgentSource[] }) {
return (
<div className="mt-3 rounded-md border bg-muted/20 p-2">
<p className="text-xs font-medium text-muted-foreground">Quellen</p>
<div className="mt-2 space-y-2">
{sources.map((source) => (
<div
className="rounded-md bg-background/80 p-2 text-xs"
data-source-id={source.id}
key={source.id}
>
<p className="font-medium text-foreground">{source.title}</p>
{source.description && (
<p className="mt-1 text-muted-foreground">{source.description}</p>
)}
</div>
))}
</div>
</div>
);
}
function AgentEvidencePanel({
sources,
toolTrace,
}: {
sources?: AgentSource[];
toolTrace: AgentToolTrace[];
}) {
const steps = buildReasoningSteps(toolTrace);
return (
<details className="mt-3 rounded-md border bg-muted/30 px-2 py-1.5">
<summary className="flex cursor-pointer list-none items-center gap-2 text-xs font-medium text-muted-foreground">
<Wrench className="h-3.5 w-3.5" />
Nachweis & Arbeitsweg ({getToolTraceSummary(toolTrace)})
</summary>
<div className="mt-2 space-y-2">
{steps.map((step, stepIndex) => (
<ReasoningStep
key={`${step.label}-${stepIndex}`}
sourceId={sources?.[stepIndex]?.id}
step={step}
/>
))}
</div>
</details>
);
}
function ReasoningStep({
sourceId,
step,
}: {
sourceId?: string;
step: AgentReasoningStep;
}) {
return (
<div
className="rounded-md bg-background/80 p-2 text-xs"
data-source-id={sourceId}
data-status={step.status}
>
<p className="font-medium text-foreground">{step.label}</p>
<p className="mt-1 text-muted-foreground">{step.description}</p>
</div>
);
}
function AgentThinkingIndicator() {
return (
<div className="space-y-2 px-1 text-sm text-muted-foreground">
<div className="flex items-center gap-2">
<Loader2 className="h-4 w-4 animate-spin" />
Denk mit der KI nach...
</div>
<div className="rounded-md border bg-muted/30 p-2 text-xs" data-status="active">
<p className="font-medium text-foreground">Antwort wird vorbereitet</p>
<p className="mt-1">Der Agent prueft den aktuellen Finanzkontext.</p>
</div>
</div>
);
}
export function AgentPromptInput({
value,
placeholder,
disabled,
isSubmitting,
onChange,
onSubmit,
}: AgentPromptInputProps) {
const submitDisabled = disabled || value.trim().length === 0;
const handleChange = (event: ChangeEvent<HTMLTextAreaElement>) => onChange(event.target.value);
return (
<form
className="rounded-lg border bg-card p-2 shadow-sm"
aria-label="Chatnachricht senden"
onSubmit={onSubmit}
>
<div className="flex items-end gap-2">
<textarea
className="min-h-11 flex-1 resize-none bg-transparent px-2 py-2 text-sm leading-6 outline-none placeholder:text-muted-foreground disabled:cursor-not-allowed disabled:opacity-60"
value={value}
onChange={handleChange}
placeholder={placeholder}
disabled={disabled}
rows={1}
/>
<Button type="submit" disabled={submitDisabled} className="shrink-0">
{isSubmitting ? <Loader2 className="h-4 w-4 animate-spin" /> : <Send className="h-4 w-4" />}
{isSubmitting ? "Antwort laeuft" : "Senden"}
</Button>
</div>
</form>
);
}