Initial commit: Tonemark PWA

Tonemark is a SvelteKit PWA for transcribing YouTube videos, audio
and video files, and microphone recordings using a local Whisper backend.

Features:
- Dark glassmorphic UI with electric-lime accent (5 switchable themes)
- Rail nav (desktop) / tab bar (mobile) layout
- Drop zone, YouTube URL input, and live audio recording inputs
- Audio mode waveform cards (none / standard / aggressive / auto)
- Real-time transcription progress with animated waveform
- Job queue with SSE streaming updates
- Push notifications on job completion
- PWA with native SvelteKit service worker
- SRT / TXT / MD / JSON transcript downloads

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

src/routes/api/webhook/[jobId]/+server.ts

@@ -0,0 +1,54 @@
+import { json, error } from '@sveltejs/kit';
+import { getJob, updateJob, setJobStatus } from '$lib/server/db.js';
+import { deduplicateSegments } from '$lib/server/postprocess.js';
+import { writeOutputs } from '$lib/server/formatter.js';
+import { sendNotification } from '$lib/server/push.js';
+import { cleanupJobTmp } from '$lib/server/downloader.js';
+import { emitProgress } from '$lib/server/pipeline.js';
+import type { Segment, WhisperJob } from '$lib/types.js';
+
+export async function POST({ params, request }) {
+const jobId = params.jobId;
+const job = getJob(jobId);
+if (!job) throw error(404, 'Job not found');
+
+const whisperJob = (await request.json()) as WhisperJob;
+
+if (whisperJob.status === 'failed' || whisperJob.status === 'cancelled') {
+const msg = whisperJob.error ?? `Whisper job ${whisperJob.status}`;
+updateJob({ id: jobId, status: 'failed', error: msg });
+emitProgress(jobId, { type: 'error', message: msg });
+return json({ ok: true });
+}
+
+try {
+setJobStatus(jobId, 'processing', 90);
+emitProgress(jobId, { type: 'status', status: 'processing', progress: 90 });
+
+const rawSegments = whisperJob.segments as Segment[];
+const segments = deduplicateSegments(rawSegments);
+
+const paths = await writeOutputs(segments, job.title, jobId);
+const outputDir = paths.srt.replace(/\/[^/]+$/, '');
+
+updateJob({
+id: jobId,
+status: 'done',
+progress: 100,
+segmentsJson: JSON.stringify(segments),
+outputDir
+});
+
+emitProgress(jobId, { type: 'done', status: 'done' });
+
+await sendNotification(jobId, '✅ Transcript ready', job.title);
+await cleanupJobTmp(jobId);
+
+return json({ ok: true });
+} catch (err: unknown) {
+const message = err instanceof Error ? err.message : String(err);
+updateJob({ id: jobId, status: 'failed', error: message });
+emitProgress(jobId, { type: 'error', message });
+return json({ ok: false, error: message }, { status: 500 });
+}
+}