Build standalone MelodyMuse SPA

Drop the Supabase backend and call the AI provider directly from the
browser. The endpoint URL, API key, and model name are stored in
localStorage and used for direct /chat/completions requests.

- src/lib/llm.ts: config persistence, direct fetch, JSON extraction,
  shape validation, connection test
- src/lib/prompts.ts: full + partial-regeneration system prompts and
  user-message builder
- src/lib/{api,supabase}.ts removed
- supabase/ directory removed
- @supabase/supabase-js dropped from package.json
- README updated to describe the standalone architecture and CORS caveats
- .gitignore: drop Supabase entries, exclude *.tsbuildinfo
This commit is contained in:
2026-06-03 01:25:22 +02:00
parent f2401d0c57
commit d42410560f
37 changed files with 5443 additions and 376 deletions
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import { useEffect, useRef, useState } from 'react';
import { ResultCard } from '../ResultCard';
import { CopyButton } from '../CopyButton';
import { NEGATIVE_VIDEO_PROMPT, type VideoPrompt, type VideoPromptType } from '../../lib/types';
interface VideoPromptsCardProps {
prompts: VideoPrompt[];
onChange: (index: number, next: string) => void;
onRegenerate: () => void;
regenerating: boolean;
}
const TABS: VideoPromptType[] = ['Abstract', 'Cinematic', 'Hybrid'];
export function VideoPromptsCard({
prompts,
onChange,
onRegenerate,
regenerating,
}: VideoPromptsCardProps) {
const [tab, setTab] = useState<VideoPromptType>('Abstract');
const idx = prompts.findIndex((p) => p.type === tab);
const current = idx >= 0 ? prompts[idx] : undefined;
const ref = useRef<HTMLTextAreaElement | null>(null);
useEffect(() => {
const el = ref.current;
if (!el || !current) return;
el.style.height = 'auto';
el.style.height = `${Math.max(120, el.scrollHeight)}px`;
}, [current?.prompt, tab]);
return (
<ResultCard
index={3}
icon="🎬"
title="Video Prompts"
onRegenerate={onRegenerate}
regenerating={regenerating}
headerExtra={current ? <CopyButton value={current.prompt} label="Copy" /> : null}
>
<div className="flex items-center gap-1 mb-4 p-1 rounded-lg bg-bg-hover/40 border border-border w-fit">
{TABS.map((t) => {
const isActive = t === tab;
return (
<button
key={t}
type="button"
onClick={() => setTab(t)}
className={
isActive
? 'px-3 py-1.5 rounded-md text-sm font-medium bg-accent-primary text-white transition-colors'
: 'px-3 py-1.5 rounded-md text-sm font-medium text-fg-muted hover:text-fg hover:bg-bg-hover transition-colors'
}
role="tab"
aria-selected={isActive}
>
{t}
</button>
);
})}
</div>
{current ? (
<div className="space-y-3">
<div>
<div className="flex items-center justify-between mb-2">
<label className="text-sm font-medium text-fg">Main prompt</label>
</div>
<textarea
ref={ref}
value={current.prompt}
onChange={(e) => onChange(idx, e.target.value)}
rows={5}
className="textarea text-sm leading-relaxed scrollbar-thin"
style={{ minHeight: 120 }}
/>
</div>
<p className="text-sm italic text-fg-muted">
Best for: <span className="not-italic text-fg">{current.tool_recommendation}</span>
</p>
<div className="mt-1 p-3 rounded-lg bg-bg-hover/40 border border-border">
<p className="text-[11px] uppercase tracking-wider text-fg-muted mb-1">Negative</p>
<p className="text-xs text-fg-muted leading-relaxed">{NEGATIVE_VIDEO_PROMPT}</p>
</div>
</div>
) : (
<p className="text-sm text-fg-muted">No prompt for this tab yet.</p>
)}
</ResultCard>
);
}