feat: smart-home voice tools (get_state + control_air_purifier)

app/api/voice/tools/smart-home/route.ts

@@ -0,0 +1,56 @@
+export const dynamic = 'force-dynamic'
+export const runtime = 'nodejs'
+
+import { NextResponse } from 'next/server'
+import { isBearerAuthorized, unauthorized, internalHeaders } from '@/lib/voice-tools'
+
+export async function GET(req: Request) {
+  if (!isBearerAuthorized(req)) return unauthorized()
+
+  const baseUrl = `http://localhost:${process.env.PORT || '3000'}`
+  const r = await fetch(`${baseUrl}/api/ha`, {
+    cache: 'no-store',
+    headers: internalHeaders(),
+  }).catch(() => null)
+
+  if (!r || !r.ok) {
+    return NextResponse.json({ error: 'ha_unavailable' }, { status: 502 })
+  }
+
+  const data = await r.json()
+  const sensors = data.sensors || {}
+  const states = data.states || {}
+  const purifier = states['fan.air_purifier'] || {}
+  const purifierAttrs = purifier.attributes || {}
+
+  return NextResponse.json({
+    temperature: sensors.temperature ?? null,
+    humidity: sensors.humidity ?? null,
+    pm25: sensors.pm25 ?? null,
+    air_purifier: {
+      state: purifier.state || 'unknown',
+      preset_mode: purifierAttrs.preset_mode || null,
+      available_modes: purifierAttrs.preset_modes || ['Auto', 'Night', 'High'],
+    },
+  })
+}
+
+export async function POST(req: Request) {
+  if (!isBearerAuthorized(req)) return unauthorized()
+
+  const body = await req.json()
+  const baseUrl = `http://localhost:${process.env.PORT || '3000'}`
+
+  const r = await fetch(`${baseUrl}/api/ha`, {
+    method: 'POST',
+    cache: 'no-store',
+    headers: { ...internalHeaders(), 'Content-Type': 'application/json' },
+    body: JSON.stringify(body),
+  }).catch(() => null)
+
+  if (!r || !r.ok) {
+    return NextResponse.json({ error: 'ha_unavailable' }, { status: 502 })
+  }
+
+  return NextResponse.json(await r.json())
+}