*

app/build.gradle.kts

@@ -0,0 +1,74 @@
+// app 业务壳：导航、主题、权限、配置注入；M1–M6 页面经 FeatureMount 挂载
+plugins {
+    alias(libs.plugins.android.application)
+    alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.ksp)
+    alias(libs.plugins.hilt)
+}
+
+android {
+    namespace = "com.stec.cmd"
+    compileSdk = 34
+
+    defaultConfig {
+        applicationId = "com.stec.cmd"
+        minSdk = 26
+        targetSdk = 34
+        versionCode = 1
+        versionName = "0.1.0-S0"
+    }
+
+    buildTypes {
+        release {
+            isMinifyEnabled = true
+            isShrinkResources = true
+            proguardFiles(
+                getDefaultProguardFile("proguard-android-optimize.txt"),
+                "proguard-rules.pro",
+            )
+        }
+    }
+
+    buildFeatures {
+        viewBinding = true
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_17
+        targetCompatibility = JavaVersion.VERSION_17
+    }
+
+    kotlinOptions {
+        jvmTarget = "17"
+    }
+}
+
+dependencies {
+    // core 基础层 + 协议解析（业务模块只允许经 core 层访问能力）
+    implementation(project(":core:common"))
+    implementation(project(":core:network"))
+    implementation(project(":core:database"))
+    implementation(project(":core:ble"))
+    implementation(project(":ble-protocol"))
+
+    implementation(libs.androidx.core.ktx)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.androidx.activity)
+    implementation(libs.androidx.fragment.ktx)
+    implementation(libs.androidx.splashscreen)
+    implementation(libs.google.material)
+
+    implementation(libs.androidx.lifecycle.runtime)
+    implementation(libs.androidx.lifecycle.viewmodel)
+    implementation(libs.androidx.lifecycle.livedata)
+
+    implementation(libs.androidx.datastore.preferences)
+    implementation(libs.androidx.security.crypto)
+
+    implementation(libs.hilt.android)
+    ksp(libs.hilt.compiler)
+
+    testImplementation(libs.junit)
+    androidTestImplementation(libs.androidx.junit)
+    androidTestImplementation(libs.androidx.espresso.core)
+}

app/proguard-rules.pro

@@ -0,0 +1,12 @@
+# app 壳混淆规则（release）
+# S0 骨架期保持最小规则集，S5 发布阶段随业务实体补全
+
+# kotlinx.serialization：保留序列化器生成逻辑（S1 业务 DTO 接入后按类型名细化）
+-keepattributes *Annotation*, InnerClasses
+-dontnote kotlinx.serialization.AnnotationsKt
+
+# OkHttp / Retrofit
+-dontwarn okhttp3.**
+-dontwarn okio.**
+-dontwarn javax.annotation.**
+-keepattributes Signature, Exceptions

app/src/main/AndroidManifest.xml

@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools">
+
+    <!-- 蓝牙：Android 12L+ -->
+    <uses-permission android:name="android.permission.BLUETOOTH_SCAN"
+        android:usesPermissionFlags="neverForLocation"
+        tools:targetApi="s" />
+    <uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
+
+    <!-- 蓝牙：Android 12L 以下（随 12L+ 权限一同声明，按系统版本生效） -->
+    <uses-permission android:name="android.permission.BLUETOOTH"
+        android:maxSdkVersion="30" />
+    <uses-permission android:name="android.permission.BLUETOOTH_ADMIN"
+        android:maxSdkVersion="30" />
+    <!-- 12L 以下 BLE 扫描依赖定位权限 -->
+    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"
+        android:maxSdkVersion="30" />
+
+    <!-- 通知（33+，上传进度/采集会话通知预留） -->
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+
+    <!-- 网络（core:network） -->
+    <uses-permission android:name="android.permission.INTERNET" />
+    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+
+    <!-- 蓝牙为可选硬件：无蓝牙设备仍可安装 -->
+    <uses-feature android:name="android.hardware.bluetooth_le"
+        android:required="false" />
+
+    <application
+        android:name=".SteCmdApplication"
+        android:allowBackup="false"
+        android:icon="@mipmap/ic_launcher"
+        android:roundIcon="@mipmap/ic_launcher_round"
+        android:label="@string/app_name"
+        android:networkSecurityConfig="@xml/network_security_config"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.SteCmd"
+        tools:targetApi="34">
+
+        <activity
+            android:name=".MainActivity"
+            android:exported="true"
+            android:screenOrientation="portrait"
+            android:theme="@style/Theme.SteCmd.Splash">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/src/main/kotlin/com/stec/cmd/CollectFragment.kt

@@ -0,0 +1,7 @@
+package com.stec.cmd
+
+import dagger.hilt.android.AndroidEntryPoint
+
+/** 采集占位（M4+M5 数据采集，S2/S3 挂载扫描与采集页）。 */
+@AndroidEntryPoint
+class CollectFragment : PlaceholderFragment()

app/src/main/kotlin/com/stec/cmd/FeatureMount.kt

@@ -0,0 +1,41 @@
+package com.stec.cmd
+
+/**
+ * 底部导航 5 Tab 与业务模块（功能明细表编号）的挂载点注册中心。
+ *
+ * S1+ 挂载业务页面的方式：把对应 [MountItem.fragmentClass] 从占位 Fragment
+ * 换成业务 Fragment 即可，导航壳（MainActivity）零改动；新增 Tab 时扩展 [Tab]。
+ * 挂载映射依据《安卓客户端功能明细表》：
+ * 首页=M2、任务=M3、采集=M4+M5、统计=M6、我的=M1。
+ */
+object FeatureMount {
+
+    /** 底部导航 Tab（itemId 与 res/menu/bottom_nav_menu.xml 一一对应）。 */
+    enum class Tab(val itemId: Int, val labelRes: Int) {
+        HOME(R.id.nav_home, R.string.tab_home),
+        TASK(R.id.nav_task, R.string.tab_task),
+        COLLECT(R.id.nav_collect, R.string.tab_collect),
+        STATS(R.id.nav_stats, R.string.tab_stats),
+        MINE(R.id.nav_mine, R.string.tab_mine),
+    }
+
+    /** 单个 Tab 的挂载项。 */
+    data class MountItem(
+        val tab: Tab,
+        val fragmentClass: Class<out androidx.fragment.app.Fragment>,
+        val moduleTag: String,
+    )
+
+    /** 挂载注册表：S1+ 替换 fragmentClass 即完成业务页挂载。 */
+    val mounts: List<MountItem> = listOf(
+        MountItem(Tab.HOME, HomeFragment::class.java, "M2 项目工作台"),
+        MountItem(Tab.TASK, TaskFragment::class.java, "M3 任务管理"),
+        MountItem(Tab.COLLECT, CollectFragment::class.java, "M4+M5 数据采集"),
+        MountItem(Tab.STATS, StatsFragment::class.java, "M6 统计与上传"),
+        MountItem(Tab.MINE, MineFragment::class.java, "M1 我的"),
+    )
+
+    /** 按 menu itemId 取挂载项；未知 id 返回 null（容错）。 */
+    fun byItemId(itemId: Int): MountItem? =
+        mounts.firstOrNull { it.tab.itemId == itemId }
+}

app/src/main/kotlin/com/stec/cmd/HomeFragment.kt

@@ -0,0 +1,7 @@
+package com.stec.cmd
+
+import dagger.hilt.android.AndroidEntryPoint
+
+/** 首页占位（M2 项目工作台，S1 挂载项目列表）。 */
+@AndroidEntryPoint
+class HomeFragment : PlaceholderFragment()

app/src/main/kotlin/com/stec/cmd/MainActivity.kt

@@ -0,0 +1,59 @@
+package com.stec.cmd
+
+import android.os.Bundle
+import android.view.MenuItem
+import androidx.appcompat.app.AppCompatActivity
+import androidx.fragment.app.Fragment
+import androidx.fragment.app.commit
+import com.stec.cmd.databinding.ActivityMainBinding
+import dagger.hilt.android.AndroidEntryPoint
+
+/**
+ * 单 Activity 导航壳：BottomNavigationView 5 Tab 切换 Fragment。
+ * show/hide 复用实例以保留各 Tab 视图状态；S1 可迁移 Navigation 组件。
+ */
+@AndroidEntryPoint
+class MainActivity : AppCompatActivity() {
+
+    private lateinit var binding: ActivityMainBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        binding = ActivityMainBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+
+        binding.bottomNav.setOnItemSelectedListener(::selectTab)
+        if (savedInstanceState == null) {
+            binding.bottomNav.selectedItemId = FeatureMount.Tab.HOME.itemId
+        }
+    }
+
+    private fun selectTab(item: MenuItem): Boolean {
+        val mount = FeatureMount.byItemId(item.itemId) ?: return false
+        switchTo(mount)
+        return true
+    }
+
+    private fun switchTo(mount: FeatureMount.MountItem) {
+        val tag = mount.tab.name
+        val existing = supportFragmentManager.findFragmentByTag(tag)
+        val target: Fragment = existing ?: createFragment(mount)
+
+        supportFragmentManager.commit {
+            setReorderingAllowed(true)
+            supportFragmentManager.fragments.forEach { if (it !== target) hide(it) }
+            if (existing == null) add(R.id.fragment_container, target, tag)
+            show(target)
+        }
+        supportActionBar?.title = getString(mount.tab.labelRes)
+    }
+
+    /** 实例化挂载项声明的 Fragment；占位 Fragment 支持模块名参数。 */
+    private fun createFragment(mount: FeatureMount.MountItem): Fragment {
+        val fragment = mount.fragmentClass.getDeclaredConstructor().newInstance()
+        if (fragment is PlaceholderFragment) {
+            fragment.arguments = PlaceholderFragment.args(mount.moduleTag)
+        }
+        return fragment
+    }
+}

app/src/main/kotlin/com/stec/cmd/MineFragment.kt

@@ -0,0 +1,7 @@
+package com.stec.cmd
+
+import dagger.hilt.android.AndroidEntryPoint
+
+/** 我的占位（M1 登录与配置，S1 挂载登录/配置页）。 */
+@AndroidEntryPoint
+class MineFragment : PlaceholderFragment()

app/src/main/kotlin/com/stec/cmd/PlaceholderFragment.kt

@@ -0,0 +1,45 @@
+package com.stec.cmd
+
+import android.os.Bundle
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.fragment.app.Fragment
+import com.stec.cmd.databinding.FragmentPlaceholderBinding
+
+/**
+ * S0 占位页基类：显示模块编号与挂载说明，S1+ 由各业务 Fragment 替换。
+ */
+open class PlaceholderFragment : Fragment() {
+
+    private var _binding: FragmentPlaceholderBinding? = null
+    private val binding get() = checkNotNull(_binding)
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?,
+    ): View {
+        _binding = FragmentPlaceholderBinding.inflate(inflater, container, false)
+        return binding.root
+    }
+
+    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
+        val moduleTag = arguments?.getString(ARG_MODULE_TAG).orEmpty()
+        binding.moduleTag.text = moduleTag
+        binding.hint.text = getString(R.string.placeholder_hint)
+    }
+
+    override fun onDestroyView() {
+        super.onDestroyView()
+        _binding = null
+    }
+
+    companion object {
+        const val ARG_MODULE_TAG = "module_tag"
+
+        fun args(moduleTag: String): Bundle = Bundle().apply {
+            putString(ARG_MODULE_TAG, moduleTag)
+        }
+    }
+}

app/src/main/kotlin/com/stec/cmd/StatsFragment.kt

@@ -0,0 +1,7 @@
+package com.stec.cmd
+
+import dagger.hilt.android.AndroidEntryPoint
+
+/** 统计占位（M6 统计与上传，S4 挂载统计表与文件上传）。 */
+@AndroidEntryPoint
+class StatsFragment : PlaceholderFragment()

app/src/main/kotlin/com/stec/cmd/SteCmdApplication.kt

@@ -0,0 +1,31 @@
+package com.stec.cmd
+
+import android.app.Application
+import android.util.Log
+import com.stec.cmd.core.common.AppLog
+import dagger.hilt.android.HiltAndroidApp
+
+/**
+ * 应用入口：装配 Hilt 图并安装日志实现。
+ * core:common 的 AppLog 门面不依赖 android.util.Log，LogCat sink 在壳层注入。
+ */
+@HiltAndroidApp
+class SteCmdApplication : Application() {
+
+    override fun onCreate() {
+        super.onCreate()
+        AppLog.install { level, tag, message, throwable ->
+            when (level) {
+                AppLog.Level.DEBUG -> Log.d(tag, message, throwable)
+                AppLog.Level.INFO -> Log.i(tag, message, throwable)
+                AppLog.Level.WARN -> Log.w(tag, message, throwable)
+                AppLog.Level.ERROR -> Log.e(tag, message, throwable)
+            }
+        }
+        AppLog.i(TAG, "监测数据不落地平台客户端启动（S0 骨架）")
+    }
+
+    private companion object {
+        const val TAG = "SteCmd"
+    }
+}

app/src/main/kotlin/com/stec/cmd/TaskFragment.kt

@@ -0,0 +1,7 @@
+package com.stec.cmd
+
+import dagger.hilt.android.AndroidEntryPoint
+
+/** 任务占位（M3 任务管理，S2 挂载任务列表）。 */
+@AndroidEntryPoint
+class TaskFragment : PlaceholderFragment()

app/src/main/kotlin/com/stec/cmd/config/AppModule.kt

@@ -0,0 +1,49 @@
+package com.stec.cmd.config
+
+import android.content.Context
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.preferencesDataStore
+import com.stec.cmd.core.network.NetworkConfig
+import com.stec.cmd.core.network.TokenProvider
+import dagger.Binds
+import dagger.Module
+import dagger.Provides
+import dagger.hilt.InstallIn
+import dagger.hilt.android.qualifiers.ApplicationContext
+import dagger.hilt.components.SingletonComponent
+import javax.inject.Singleton
+
+private val Context.configDataStore: DataStore<Preferences> by preferencesDataStore(
+    name = "stec_cmd_config",
+)
+
+/**
+ * app 壳 Hilt 装配：
+ * - DataStore 实例；
+ * - [ConfigRepository] 绑定为 core:network 的 [NetworkConfig] / [TokenProvider]，
+ *   补全 core:network NetworkModule 的依赖图（密钥值由用户配置注入，不入库）。
+ */
+@Module
+@InstallIn(SingletonComponent::class)
+object AppModule {
+
+    @Provides
+    @Singleton
+    fun provideConfigDataStore(
+        @ApplicationContext context: Context,
+    ): DataStore<Preferences> = context.configDataStore
+}
+
+@Module
+@InstallIn(SingletonComponent::class)
+abstract class ConfigBindModule {
+
+    @Binds
+    @Singleton
+    abstract fun bindNetworkConfig(impl: ConfigRepository): NetworkConfig
+
+    @Binds
+    @Singleton
+    abstract fun bindTokenProvider(impl: ConfigRepository): TokenProvider
+}

app/src/main/kotlin/com/stec/cmd/config/ConfigRepository.kt

@@ -0,0 +1,127 @@
+package com.stec.cmd.config
+
+import androidx.datastore.core.DataStore
+import androidx.datastore.preferences.core.Preferences
+import androidx.datastore.preferences.core.edit
+import androidx.datastore.preferences.core.emptyPreferences
+import androidx.datastore.preferences.core.stringPreferencesKey
+import com.stec.cmd.core.common.AppLog
+import com.stec.cmd.core.network.NetworkConfig
+import com.stec.cmd.core.network.TokenProvider
+import java.io.IOException
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.flow.asStateFlow
+import kotlinx.coroutines.flow.catch
+import kotlinx.coroutines.flow.first
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.runBlocking
+import javax.inject.Inject
+import javax.inject.Singleton
+
+/**
+ * 平台配置仓储（M1-06 前置、M7-04 落地）：
+ * baseUrl / SecretKey / SystemCode / Token 经 DataStore 持久化 + 内存快照。
+ *
+ * **默认值全空，密钥不进代码库**：S1 在「我的」页面提供配置 UI；
+ * 未配置时 [NetworkConfig] 各字段为空串，AuthInterceptor 将带空三要素，
+ * 业务请求由 S1 的配置检查（未配置 → 跳转配置页）拦截。
+ *
+ * 拦截器在 OkHttp 后台线程同步读快照（runBlocking 只在冷启动首读时短暂阻塞，
+ * 之后 [snapshotStateFlow] 已被预热，直接返回缓存值）。
+ */
+@Singleton
+class ConfigRepository @Inject constructor(
+    private val dataStore: DataStore<Preferences>,
+) : NetworkConfig, TokenProvider {
+
+    data class Snapshot(
+        val baseUrl: String = "",
+        val secretKey: String = "",
+        val systemCode: String = "",
+        val token: String = "",
+    ) {
+        /** 三要素 + 地址是否已配置完整。 */
+        val isReady: Boolean
+            get() = baseUrl.isNotBlank() && secretKey.isNotBlank() && systemCode.isNotBlank()
+    }
+
+    private val scope = CoroutineScope(SupervisorJob() + Dispatchers.Default)
+
+    private val snapshotFlow = MutableStateFlow(Snapshot())
+
+    /** 配置快照流：S1 配置页/业务层订阅。 */
+    val snapshotStateFlow: StateFlow<Snapshot> = snapshotFlow.asStateFlow()
+
+    init {
+        scope.launch {
+            dataStore.data
+                .catch { e ->
+                    if (e is IOException) emit(emptyPreferences()) else throw e
+                }
+                .collect { prefs ->
+                    snapshotFlow.value = Snapshot(
+                        baseUrl = prefs[KEY_BASE_URL].orEmpty(),
+                        secretKey = prefs[KEY_SECRET_KEY].orEmpty(),
+                        systemCode = prefs[KEY_SYSTEM_CODE].orEmpty(),
+                        token = prefs[KEY_TOKEN].orEmpty(),
+                    )
+                }
+        }
+    }
+
+    // ---- NetworkConfig ----
+
+    override val baseUrl: String get() = snapshot().baseUrl
+
+    override val secretKey: String get() = snapshot().secretKey
+
+    override val systemCode: String get() = snapshot().systemCode
+
+    override val tokenProvider: TokenProvider get() = this
+
+    // ---- TokenProvider ----
+
+    override fun currentToken(): String = snapshot().token
+
+    // ---- 写入（S1 配置页 / 登录流程调用）----
+
+    /** 保存三要素与服务器地址。 */
+    suspend fun updateConnection(baseUrl: String, secretKey: String, systemCode: String) {
+        dataStore.edit { prefs ->
+            prefs[KEY_BASE_URL] = baseUrl.trim().trimEnd('/')
+            prefs[KEY_SECRET_KEY] = secretKey.trim()
+            prefs[KEY_SYSTEM_CODE] = systemCode.trim()
+        }
+        AppLog.i(TAG, "连接配置已更新")
+    }
+
+    /** 登录成功保存 Token；登出传空串。 */
+    suspend fun updateToken(token: String) {
+        dataStore.edit { it[KEY_TOKEN] = token }
+    }
+
+    /** 阻塞读取当前快照（拦截器线程安全：值来自内存缓存）。 */
+    private fun snapshot(): Snapshot =
+        if (snapshotFlow.value != Snapshot()) {
+            snapshotFlow.value
+        } else {
+            // 冷启动首读：预热缓存
+            runBlocking { snapshotFlow.first() }
+        }
+
+    private companion object {
+        const val TAG = "ConfigRepository"
+        val KEY_BASE_URL = stringPreferencesKey("base_url")
+        val KEY_SECRET_KEY = stringPreferencesKey("secret_key")
+        val KEY_SYSTEM_CODE = stringPreferencesKey("system_code")
+        val KEY_TOKEN = stringPreferencesKey("token")
+    }
+}
+
+/** 只读 Token 快照接口的窄化视图（给不需要完整 NetworkConfig 的组件用）。 */
+val ConfigRepository.tokenFlow: Flow<Snapshot> get() = snapshotStateFlow

app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp" android:height="108dp"
+    android:viewportWidth="108" android:viewportHeight="108">
+    <path android:fillColor="@color/launcher_background"
+        android:pathData="M0,0 L108,0 L108,108 L0,108 Z" />
+</vector>

app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp" android:height="108dp"
+    android:viewportWidth="108" android:viewportHeight="108">
+    <!-- 蓝牙风格前景：安全区中央（内容控制在 66dp 内圆内） -->
+    <path
+        android:strokeColor="#FFFFFFFF"
+        android:strokeWidth="4"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"
+        android:fillColor="#00000000"
+        android:pathData="M54,32 L54,76 M54,32 L64,41.5 L44,66.5 M54,76 L64,66.5 L44,41.5" />
+</vector>

app/src/main/res/drawable/ic_nav_collect.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp" android:height="24dp"
+    android:viewportWidth="24" android:viewportHeight="24">
+    <!-- 蓝牙符号：采集 Tab -->
+    <path android:strokeColor="#FF000000"
+        android:strokeWidth="1.8"
+        android:strokeLineCap="round"
+        android:strokeLineJoin="round"
+        android:fillColor="#00000000"
+        android:pathData="M12,2.5 L12,21.5 M12,2.5 L16.5,6.8 L7.5,17.2 M12,21.5 L16.5,17.2 L7.5,6.8" />
+</vector>

app/src/main/res/drawable/ic_nav_home.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp" android:height="24dp"
+    android:viewportWidth="24" android:viewportHeight="24">
+    <path android:fillColor="#FF000000"
+        android:pathData="M12,3 L4,10 L4,21 L10,21 L10,15 L14,15 L14,21 L20,21 L20,10 Z" />
+</vector>

app/src/main/res/drawable/ic_nav_mine.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp" android:height="24dp"
+    android:viewportWidth="24" android:viewportHeight="24">
+    <path android:fillColor="#FF000000"
+        android:pathData="M12,12 C14.2,12 16,10.2 16,8 C16,5.8 14.2,4 12,4 C9.8,4 8,5.8 8,8 C8,10.2 9.8,12 12,12 Z M4,20 C4,16.7 7.6,14 12,14 C16.4,14 20,16.7 20,20 Z" />
+</vector>

app/src/main/res/drawable/ic_nav_stats.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp" android:height="24dp"
+    android:viewportWidth="24" android:viewportHeight="24">
+    <path android:fillColor="#FF000000"
+        android:pathData="M5,20 L5,12 L8,12 L8,20 Z M11,20 L11,6 L14,6 L14,20 Z M17,20 L17,9 L20,9 L20,20 Z" />
+</vector>

app/src/main/res/drawable/ic_nav_task.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp" android:height="24dp"
+    android:viewportWidth="24" android:viewportHeight="24">
+    <path android:fillColor="#FF000000"
+        android:pathData="M4,5 L20,5 L20,7 L4,7 Z M4,11 L20,11 L20,13 L4,13 Z M4,17 L14,17 L14,19 L4,19 Z" />
+</vector>

app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <androidx.fragment.app.FragmentContainerView
+        android:id="@+id/fragment_container"
+        android:layout_width="match_parent"
+        android:layout_height="0dp"
+        android:layout_weight="1" />
+
+    <com.google.android.material.bottomnavigation.BottomNavigationView
+        android:id="@+id/bottom_nav"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:background="?attr/colorSurface"
+        app:labelVisibilityMode="labeled"
+        app:menu="@menu/bottom_nav_menu" />
+
+</LinearLayout>

app/src/main/res/layout/fragment_placeholder.xml

@@ -0,0 +1,34 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:padding="24dp">
+
+    <TextView
+        android:id="@+id/module_tag"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="22sp"
+        android:textStyle="bold"
+        android:textColor="?attr/colorPrimary"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintBottom_toTopOf="@id/hint"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintVertical_chainStyle="packed" />
+
+    <TextView
+        android:id="@+id/hint"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="12dp"
+        android:textSize="14sp"
+        android:alpha="0.7"
+        app:layout_constraintTop_toBottomOf="@id/module_tag"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintEnd_toEndOf="parent" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/menu/bottom_nav_menu.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/nav_home"
+        android:icon="@drawable/ic_nav_home"
+        android:title="@string/tab_home" />
+    <item
+        android:id="@+id/nav_task"
+        android:icon="@drawable/ic_nav_task"
+        android:title="@string/tab_task" />
+    <item
+        android:id="@+id/nav_collect"
+        android:icon="@drawable/ic_nav_collect"
+        android:title="@string/tab_collect" />
+    <item
+        android:id="@+id/nav_stats"
+        android:icon="@drawable/ic_nav_stats"
+        android:title="@string/tab_stats" />
+    <item
+        android:id="@+id/nav_mine"
+        android:icon="@drawable/ic_nav_mine"
+        android:title="@string/tab_mine" />
+</menu>

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/src/main/res/values/colors.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <!-- 品牌色占位（S1 视觉规范化时校准） -->
+    <color name="brand_primary">#1E6FD9</color>
+    <color name="brand_on_primary">#FFFFFF</color>
+    <color name="brand_background">#F7F9FC</color>
+    <color name="brand_surface">#FFFFFF</color>
+    <color name="launcher_background">#1E6FD9</color>
+</resources>

app/src/main/res/values/strings.xml

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="app_name">监测数据不落地</string>
+
+    <string name="tab_home">首页</string>
+    <string name="tab_task">任务</string>
+    <string name="tab_collect">采集</string>
+    <string name="tab_stats">统计</string>
+    <string name="tab_mine">我的</string>
+
+    <string name="placeholder_hint">占位页 —— 业务功能按 S1–S4 计划经 FeatureMount 挂载</string>
+</resources>

app/src/main/res/values/themes.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources xmlns:tools="http://schemas.android.com/tools">
+
+    <!-- 应用主主题：Material 3 DayNight，无标题栏（自管理标题） -->
+    <style name="Theme.SteCmd" parent="Theme.Material3.DayNight.NoActionBar">
+        <item name="colorPrimary">@color/brand_primary</item>
+        <item name="colorOnPrimary">@color/brand_on_primary</item>
+        <item name="android:colorBackground">@color/brand_background</item>
+        <item name="colorSurface">@color/brand_surface</item>
+        <item name="android:statusBarColor">@color/brand_background</item>
+        <item name="android:windowLightStatusBar" tools:targetApi="m">true</item>
+    </style>
+
+    <!-- 启动闪屏（core-splashscreen 兼容 12 以下） -->
+    <style name="Theme.SteCmd.Splash" parent="Theme.SplashScreen">
+        <item name="windowSplashScreenBackground">@color/launcher_background</item>
+        <item name="windowSplashScreenAnimatedIcon">@drawable/ic_launcher_foreground</item>
+        <item name="postSplashScreenTheme">@style/Theme.SteCmd</item>
+    </style>
+</resources>

app/src/main/res/xml/network_security_config.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  网络安全白名单：
+  - 默认全域强制 HTTPS（usesCleartextTraffic=false 于 Manifest）；
+  - 仅对接口文档 1.2.4 测试环境 IP 开放明文 HTTP（外场联调），发布前如生产全 HTTPS 可移除；
+  - 测试域名 jcd.stec.p-q.co 为 HTTPS，无需额外配置。
+-->
+<network-security-config>
+    <base-config cleartextTrafficPermitted="false">
+        <trust-anchors>
+            <certificates src="system" />
+        </trust-anchors>
+    </base-config>
+
+    <domain-config cleartextTrafficPermitted="true">
+        <domain includeSubdomains="false">106.15.183.20</domain>
+    </domain-config>
+</network-security-config>