([\s\S]*?)<\/pre>/);
      if (preMatch) {
        const text = preMatch[1].replace(/<[^>]+>/g, '');
        if (!text.includes('formation is not expected')) {
          const lines = text.split('\n');
          const formations = [];
          for (let i = 0; i < lines.length; i++) {
            const pctMatch = lines[i].match(/(\d+)\s*percent/i);
            if (pctMatch && parseInt(pctMatch[1]) >= 20) {
              const context = lines.slice(Math.max(0, i-3), i+2).join(' ');
              const loc = context.match(/Gulf|Caribbean|Atlantic|Florida|Bahamas/i);
              formations.push({
                pct: parseInt(pctMatch[1]),
                location: loc ? loc[0] : 'Atlantic',
                text: lines[i].trim()
              });
            }
          }
          if (formations.length) {
            const worst = formations.sort((a,b) => b.pct - a.pct)[0];
            result.tropical = `${worst.pct}% tropical development (${worst.location}, 7-day)`;
          }
        }
      }
    } catch(e) {}

    weatherCache = { data: result, ts: Date.now() };
    res.json(result);
  } catch(e) {
    console.error('Weather fetch failed:', e.message);
    res.status(502).json({ error: 'weather unavailable' });
  }
});

// ─── Camera proxy ─────────────────────────────────────────────────────────────
app.get('/api/cam/pulse-ox', (req, res) => {
  const haReq = http.get(`${HA_URL}/api/camera_proxy/camera.pulse_ox_live_view`, {
    headers: { 'Authorization': `Bearer ${HA_TOKEN}` }
  }, (haRes) => {
    res.set('Content-Type', haRes.headers['content-type'] || 'image/jpeg');
    res.set('Cache-Control', 'no-store');
    haRes.pipe(res);
  });
  haReq.on('error', () => res.status(502).end());
  haReq.setTimeout(5000, () => { haReq.destroy(); res.status(504).end(); });
});

app.get('/api/cam/pulse-ox/stream', (req, res) => {
  const haReq = http.get(`${HA_URL}/api/camera_proxy_stream/camera.pulse_ox_live_view`, {
    headers: { 'Authorization': `Bearer ${HA_TOKEN}` }
  }, (haRes) => {
    res.set('Content-Type', haRes.headers['content-type'] || 'multipart/x-mixed-replace; boundary=frame');
    res.set('Cache-Control', 'no-store');
    haRes.pipe(res);
    req.on('close', () => haRes.destroy());
  });
  haReq.on('error', () => res.status(502).end());
});

// ─── Toggle done ──────────────────────────────────────────────────────────────
app.patch('/api/alerts/:id/done', (req, res) => {
  const alerts = loadAlerts();
  const alert = alerts.find(a => a.id === req.params.id);
  if (!alert) return res.status(404).json({ error: 'not found' });
  alert.done = !!req.body.done;
  saveAlerts(alerts);
  res.json(alert);
});

// ─── Delete alert ─────────────────────────────────────────────────────────────
app.delete('/api/alerts/:id', (req, res) => {
  const alerts = loadAlerts();
  const idx = alerts.findIndex(a => a.id === req.params.id);
  if (idx === -1) return res.status(404).json({ error: 'not found' });
  alerts.splice(idx, 1);
  saveAlerts(alerts);
  for (const client of sseClients) {
    client.write(`data: ${JSON.stringify({ type: 'remove', id: req.params.id })}\n\n`);
  }
  res.json({ status: 'deleted' });
});

// ─── SSE stream ───────────────────────────────────────────────────────────────
app.get('/api/alerts/stream', (req, res) => {
  res.writeHead(200, {
    'Content-Type': 'text/event-stream',
    'Cache-Control': 'no-cache',
    'Connection': 'keep-alive',
  });
  res.write('data: {"type":"connected"}\n\n');
  sseClients.add(res);
  req.on('close', () => sseClients.delete(res));
});

// ─── Auto-purge done items older than 2 hours ─────────────────────────────────
setInterval(() => {
  const alerts = loadAlerts();
  const cutoff = Date.now() - 2 * 3600000;
  const filtered = alerts.filter(a => !(a.done && new Date(a.timestamp).getTime() < cutoff));
  if (filtered.length < alerts.length) {
    saveAlerts(filtered);
    for (const client of sseClients) {
      client.write(`data: ${JSON.stringify({ type: 'refresh' })}\n\n`);
    }
  }
}, 300_000);

// ─── Claude usage endpoint ────────────────────────────────────────────────────
app.get('/api/claude-usage', async (req, res) => {
  try {
    const jamesData = await new Promise((resolve, reject) => {
      const r = http.get('http://localhost:9200/api/status', (resp) => {
        let body = '';
        resp.on('data', c => body += c);
        resp.on('end', () => { try { resolve(JSON.parse(body)); } catch(e) { reject(e); } });
      });
      r.on('error', reject);
      r.setTimeout(3000, () => { r.destroy(); reject(new Error('timeout')); });
    });

    const statuses  = jamesData.status || jamesData;
    const usage     = statuses['claude-usage'] || statuses['claude'];
    let usagePct    = null;
    if (usage && usage.value) {
      const m = usage.value.match(/(\d+)%/);
      if (m) usagePct = parseInt(m[1]);
    }

    const now = new Date();
    const et  = new Date(now.toLocaleString('en-US', { timeZone: 'America/New_York' }));
    const day = et.getDay();
    const daysSinceSat = day === 6 ? 0 : day + 1;
    const lastSat = new Date(et);
    lastSat.setDate(lastSat.getDate() - daysSinceSat);
    lastSat.setHours(14, 0, 0, 0);
    if (et < lastSat) lastSat.setDate(lastSat.getDate() - 7);
    const weekMs   = 7 * 24 * 60 * 60 * 1000;
    // Exclude Sat 7AM–2PM (7h dead zone — Johan asleep, can't use Claude)
    // Effective usable week = 168h - 7h = 161h, ending Sat 7AM instead of 2PM
    const usableMs = 161 * 60 * 60 * 1000;
    const elapsed  = et - lastSat;
    const effElapsed = Math.min(Math.max(0, elapsed), usableMs);
    const timePct  = Math.min(100, (effElapsed / usableMs) * 100);
    const pace     = timePct > 0 ? Math.round((usagePct / timePct) * 100) : null;

    res.json({ usage: usagePct, timePct: Math.round(timePct), pace });
  } catch(e) {
    res.status(502).json({ error: 'james dashboard unavailable' });
  }
});

// ─── Meeting state ────────────────────────────────────────────────────────────
let nextMeeting    = null;
let meetingTimer   = null;
let meetingTTSFile = null;

// Build the voice message text for a meeting
function buildMeetingTTSText(meeting) {
  const { title, organizer, topic } = meeting;
  let text = `You have ${title} in 5 minutes`;
  if (organizer) text += `, organized by ${organizer}`;
  else if (topic)  text += `. Topic: ${topic}`;
  text += '.';
  return text;
}

// Schedule pre-generation and playback timer
async function scheduleMeetingAnnouncement(meeting) {
  const meetingTime     = new Date(meeting.time);
  const msUntilMeeting  = meetingTime - Date.now();
  const msUntilAnnounce = msUntilMeeting - 5 * 60 * 1000; // T-5 min

  const ttsText = buildMeetingTTSText(meeting);

  // Pre-generate audio now, so playback is instant
  console.log('[Meeting] Pre-generating TTS for:', meeting.title);
  try {
    meetingTTSFile = await generateTTS(ttsText);
    console.log('[Meeting] TTS ready:', meetingTTSFile);
  } catch (e) {
    console.error('[Meeting] TTS generation failed:', e.message);
    meetingTTSFile = null;
  }

  const announce = async () => {
    console.log('[Meeting] T-5 announcement for:', meeting.title);
    if (meetingTTSFile) {
      try { await playOnTablet(meetingTTSFile); }
      catch (e) { console.error('[Meeting] Playback failed:', e.message); }
    }
  };

  if (msUntilAnnounce > 0) {
    meetingTimer = setTimeout(announce, msUntilAnnounce);
    console.log(`[Meeting] Timer set — ${Math.round(msUntilAnnounce / 1000)}s until announcement`);
  } else if (msUntilMeeting > 0) {
    // Already within 5 min window — announce immediately
    console.log('[Meeting] Already within 5-min window — announcing now');
    await announce();
  } else {
    console.log('[Meeting] Meeting is in the past — skipping announcement');
  }
}

// ─── Get current meeting ──────────────────────────────────────────────────────
app.get('/api/meeting', (req, res) => {
  if (!nextMeeting) return res.json(null);
  if (new Date(nextMeeting.time) < new Date()) {
    nextMeeting = null;
    return res.json(null);
  }
  res.json(nextMeeting);
});

// ─── Set next meeting (with voice announcement scheduling) ───────────────────
app.post('/api/meeting', (req, res) => {
  const { title, time, id, organizer, topic } = req.body;
  if (!title || !time) return res.status(400).json({ error: 'title and time required' });

  // Cancel any existing timer
  if (meetingTimer) {
    clearTimeout(meetingTimer);
    meetingTimer   = null;
    meetingTTSFile = null;
  }

  nextMeeting = { title, time, id: id || Date.now().toString(36), organizer, topic };
  res.status(201).json(nextMeeting);

  // Kick off async pre-gen + scheduling (don't await — respond immediately)
  scheduleMeetingAnnouncement(nextMeeting).catch(e =>
    console.error('[Meeting] Scheduler error:', e.message)
  );
});

// ─── Start server ─────────────────────────────────────────────────────────────
app.listen(PORT, '0.0.0.0', () => {
  console.log(`Alert dashboard running on http://0.0.0.0:${PORT}`);
  console.log(`Fish TTS: key=${FISH_API_KEY.slice(0, 8)}… voice=${FISH_VOICE_REF.slice(0, 8)}…`);
});