Fix file sharing load speed and move error; misc updates

- Remove recursive directory size calculations (single Seafile API call per list)
- Remove 'Used in this location' usage display
- Fix move using v2 per-type endpoints instead of broken batch endpoint
- Send entry type from frontend for correct move routing

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

supabase/functions/delete-user/index.ts

@@ -0,0 +1,53 @@
+// deno-lint-ignore-file
+import { createClient } from 'https://esm.sh/@supabase/supabase-js@2'
+
+const corsHeaders = {
+  'Access-Control-Allow-Origin': '*',
+  'Access-Control-Allow-Headers': 'authorization, x-client-info, apikey, content-type',
+}
+
+const json = (body: Record<string, unknown>, status: number) =>
+  new Response(JSON.stringify(body), {
+    status,
+    headers: { ...corsHeaders, 'Content-Type': 'application/json' },
+  })
+
+Deno.serve(async (req) => {
+  if (req.method === 'OPTIONS') return new Response('ok', { headers: corsHeaders })
+
+  try {
+    const authHeader = req.headers.get('Authorization') ?? ''
+    if (!authHeader) return json({ error: 'No authorization header' }, 401)
+
+    const callerClient = createClient(
+      Deno.env.get('SUPABASE_URL') ?? '',
+      Deno.env.get('SUPABASE_ANON_KEY') ?? '',
+      { global: { headers: { Authorization: authHeader } } }
+    )
+
+    const { data: userData, error: userError } = await callerClient.auth.getUser()
+    if (userError || !userData?.user) return json({ error: `Auth failed: ${userError?.message ?? 'no user'}` }, 401)
+
+    const { data: profile, error: profileError } = await callerClient
+      .from('profiles').select('role').eq('id', userData.user.id).single()
+    if (profileError) return json({ error: `Profile error: ${profileError.message}` }, 500)
+    if (profile?.role !== 'team') return json({ error: 'Forbidden: team only' }, 403)
+
+    const body = await req.json()
+    const { user_id } = body
+    if (!user_id) return json({ error: 'user_id is required' }, 400)
+
+    const admin = createClient(
+      Deno.env.get('SUPABASE_URL') ?? '',
+      Deno.env.get('SUPABASE_SERVICE_ROLE_KEY') ?? ''
+    )
+
+    const { error: deleteError } = await admin.auth.admin.deleteUser(user_id)
+    if (deleteError) return json({ error: `Delete failed: ${deleteError.message}` }, 500)
+
+    return json({ success: true }, 200)
+
+  } catch (err) {
+    return json({ error: `Unexpected: ${String(err)}` }, 500)
+  }
+})