feat: scaffold supabase multi-tenant backend

scripts/import-pocketbase/src/analyze-schema.ts

@@ -0,0 +1,30 @@
+import { readPocketBaseSchema, fieldsOf } from './pb-schema.js';
+
+const { absPath, collections, byId } = readPocketBaseSchema();
+
+const businessCollections = collections.filter(c => !c.name.startsWith('_'));
+const authCollections = collections.filter(c => c.type === 'auth');
+const relationCount = collections.reduce(
+  (count, collection) => count + fieldsOf(collection).filter(field => field.type === 'relation').length,
+  0,
+);
+
+console.log(`PocketBase schema: ${absPath}`);
+console.log(`Collections: ${collections.length}`);
+console.log(`Business collections: ${businessCollections.length}`);
+console.log(`Auth collections: ${authCollections.map(c => c.name).join(', ') || 'none'}`);
+console.log(`Relation fields: ${relationCount}`);
+console.log('');
+
+for (const collection of businessCollections.sort((a, b) => a.name.localeCompare(b.name))) {
+  const fields = fieldsOf(collection);
+  const relationFields = fields.filter(field => field.type === 'relation');
+  const relationSummary = relationFields
+    .map(field => {
+      const target = field.collectionId ? byId.get(field.collectionId)?.name || field.collectionId : '?';
+      return `${field.name}->${target}`;
+    })
+    .join(', ');
+
+  console.log(`${collection.name.padEnd(24)} ${collection.type.padEnd(6)} fields=${String(fields.length).padStart(2)} relations=${relationSummary || '-'}`);
+}