feat: scaffold supabase multi-tenant backend

packages/config/package-lock.json

@@ -0,0 +1,12 @@
+{
+  "name": "@tiku-saas/config",
+  "version": "0.1.0",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "": {
+      "name": "@tiku-saas/config",
+      "version": "0.1.0"
+    }
+  }
+}

packages/config/package.json

@@ -0,0 +1,8 @@
+{
+  "name": "@tiku-saas/config",
+  "version": "0.1.0",
+  "private": true,
+  "type": "module",
+  "main": "src/index.ts",
+  "types": "src/index.ts"
+}

packages/config/src/index.js

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+import fs from 'node:fs';
+import path from 'node:path';
+export const DEFAULT_DATABASE_URL = 'postgresql://postgres:postgres@127.0.0.1:54322/postgres';
+export const DEFAULT_TENANT_ID = '00000000-0000-0000-0000-000000000001';
+export const DEFAULT_TENANT_SLUG = 'master';
+export const DEFAULT_TENANT_NAME = '升本刷题通主租户';
+export function loadDotenv(cwd = process.cwd()) {
+    const envPath = path.resolve(cwd, '.env');
+    if (!fs.existsSync(envPath))
+        return;
+    const content = fs.readFileSync(envPath, 'utf8');
+    for (const line of content.split(/\r?\n/)) {
+        const trimmed = line.trim();
+        if (!trimmed || trimmed.startsWith('#'))
+            continue;
+        const idx = trimmed.indexOf('=');
+        if (idx === -1)
+            continue;
+        const key = trimmed.slice(0, idx).trim();
+        const value = trimmed.slice(idx + 1).trim().replace(/^"|"$/g, '');
+        if (!process.env[key])
+            process.env[key] = value;
+    }
+}
+export function envString(key, fallback) {
+    return process.env[key] || fallback;
+}
+export function envNumber(key, fallback) {
+    const value = Number(process.env[key]);
+    return Number.isFinite(value) ? value : fallback;
+}
+export function envBoolean(key, fallback = false) {
+    const value = process.env[key];
+    if (value === undefined)
+        return fallback;
+    return ['true', '1', 'yes', 'y', 'on'].includes(value.toLowerCase());
+}
+export function envList(key, fallback = '') {
+    return (process.env[key] || fallback)
+        .split(',')
+        .map(value => value.trim())
+        .filter(Boolean);
+}

packages/config/src/index.ts

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+import fs from 'node:fs';
+import path from 'node:path';
+
+export const DEFAULT_DATABASE_URL = 'postgresql://postgres:postgres@127.0.0.1:54322/postgres';
+export const DEFAULT_TENANT_ID = '00000000-0000-0000-0000-000000000001';
+export const DEFAULT_TENANT_SLUG = 'master';
+export const DEFAULT_TENANT_NAME = '升本刷题通主租户';
+
+export function loadDotenv(cwd = process.cwd()) {
+  const envPath = path.resolve(cwd, '.env');
+  if (!fs.existsSync(envPath)) return;
+
+  const content = fs.readFileSync(envPath, 'utf8');
+  for (const line of content.split(/\r?\n/)) {
+    const trimmed = line.trim();
+    if (!trimmed || trimmed.startsWith('#')) continue;
+    const idx = trimmed.indexOf('=');
+    if (idx === -1) continue;
+    const key = trimmed.slice(0, idx).trim();
+    const value = trimmed.slice(idx + 1).trim().replace(/^"|"$/g, '');
+    if (!process.env[key]) process.env[key] = value;
+  }
+}
+
+export function envString(key: string, fallback: string) {
+  return process.env[key] || fallback;
+}
+
+export function envNumber(key: string, fallback: number) {
+  const value = Number(process.env[key]);
+  return Number.isFinite(value) ? value : fallback;
+}
+
+export function envBoolean(key: string, fallback = false) {
+  const value = process.env[key];
+  if (value === undefined) return fallback;
+  return ['true', '1', 'yes', 'y', 'on'].includes(value.toLowerCase());
+}
+
+export function envList(key: string, fallback = '') {
+  return (process.env[key] || fallback)
+    .split(',')
+    .map(value => value.trim())
+    .filter(Boolean);
+}