feat(m0): 后端骨架 + Web/安卓前端骨架 + 设计文档

- backend: FastAPI 应用工厂、统一错误信封、JWT、短信登录、工作区/成员/邀请、幂等中间件 - alembic 0001: workspace/member/invitation/audit_log/app_user + RLS 策略 + 双角色 GRANT - tests: 认证/工作区/租户隔离/幂等四组用例（尚未在本机执行） - web: React18+Vite 骨架（登录、工作区、邀请落地页） - android: Compose 骨架（登录、工作区列表） - 2.Design: PRODUCT-PLAN / ROADMAP-M0-M1 / NAMING / DEVELOPMENT
2026-10-28 02:38:53 +08:00
commit 0c53aa7062
72 changed files with 5320 additions and 0 deletions
@@ -0,0 +1,69 @@
+package com.dadao.task
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import com.dadao.task.data.Api
+import com.dadao.task.data.TokenStore
+import com.dadao.task.ui.DadaoTheme
+import com.dadao.task.ui.HomeScreen
+import com.dadao.task.ui.LoginScreen
+
+class MainActivity : ComponentActivity() {
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            DadaoTheme {
+                Surface(Modifier.fillMaxSize(), color = MaterialTheme.colorScheme.background) {
+                    AppRoot()
+                }
+            }
+        }
+    }
+}
+
+private enum class Screen { Splash, Login, Home }
+
+@Composable
+private fun AppRoot() {
+    val context = androidx.compose.ui.platform.LocalContext.current
+    val tokens = remember { TokenStore(context) }
+    val api = remember { Api(tokens) }
+    var screen by remember { mutableStateOf(if (tokens.isLoggedIn) Screen.Splash else Screen.Login) }
+
+    // 有本地令牌就先静默校验一次：令牌过期/被吊销要退回登录页，而不是进了主页再崩。
+    LaunchedEffect(screen) {
+        if (screen == Screen.Splash) {
+            screen = try {
+                api.me()
+                Screen.Home
+            } catch (e: Exception) {
+                tokens.clear()
+                Screen.Login
+            }
+        }
+    }
+
+    when (screen) {
+        Screen.Splash -> Unit // 校验中，空白过渡即可
+        Screen.Login -> LoginScreen(api = api, onLoggedIn = { screen = Screen.Home })
+        Screen.Home -> HomeScreen(
+            api = api,
+            onLogout = {
+                tokens.clear()
+                screen = Screen.Login
+            },
+        )
+    }
+}