feat: full Chinese (zh-Hans) localization — i18n all hardcoded strings, zh-CN download page

app/(tabs)/index.tsx

@@ -732,7 +732,7 @@ export default function SessionsScreen() {
               </Text>
               <TextInput
                 style={[styles.modalInput, isDark && styles.modalInputDark]}
-                placeholder={serverHome ? `${serverHome}/...` : "/path/to/project"}
+                placeholder={serverHome ? `${serverHome}/...` : t("connection.add.quick.directoryPlaceholder")}
                 placeholderTextColor={isDark ? "#666666" : "#999999"}
                 value={customDir}
                 onChangeText={(text) => {

app/connection/[id].tsx

@@ -233,7 +233,7 @@ export default function EditConnectionScreen() {
       <Text style={[styles.label, isDark && styles.labelDark]}>{t("connection.shared.serverUrl")}</Text>
       <TextInput
         style={[styles.input, isDark && styles.inputDark]}
-        placeholder="http://192.168.1.100:4096"
+        placeholder={t("connection.edit.urlPlaceholder")}
         placeholderTextColor={isDark ? "#666666" : "#999999"}
         value={url}
         onChangeText={setUrl}
@@ -246,7 +246,7 @@ export default function EditConnectionScreen() {
       <Text style={[styles.label, isDark && styles.labelDark]}>{t("connection.shared.directoryOptional")}</Text>
       <TextInput
         style={[styles.input, isDark && styles.inputDark]}
-        placeholder="/path/to/project"
+        placeholder={t("connection.add.quick.directoryPlaceholder")}
         placeholderTextColor={isDark ? "#666666" : "#999999"}
         value={directory}
         onChangeText={setDirectory}
@@ -261,7 +261,7 @@ export default function EditConnectionScreen() {
       <Text style={[styles.label, isDark && styles.labelDark]}>{t("connection.shared.username")}</Text>
       <TextInput
         style={[styles.input, isDark && styles.inputDark]}
-        placeholder="admin"
+        placeholder={t("connection.add.quick.usernamePlaceholder")}
         placeholderTextColor={isDark ? "#666666" : "#999999"}
         value={username}
         onChangeText={setUsername}

app/connection/add.tsx

@@ -331,7 +331,7 @@ export default function AddConnectionScreen() {
         <View style={styles.ipRow}>
           <TextInput
             style={[styles.input, styles.ipInput, isDark && styles.inputDark]}
-            placeholder="192.168.1.100"
+            placeholder={t("connection.add.quick.ipPlaceholder")}
             placeholderTextColor={isDark ? "#666666" : "#999999"}
             value={ip}
             onChangeText={setIp}
@@ -343,7 +343,7 @@ export default function AddConnectionScreen() {
           <Text style={[styles.ipColon, isDark && styles.textDark]}>:</Text>
           <TextInput
             style={[styles.input, styles.portInput, isDark && styles.inputDark]}
-            placeholder="4096"
+            placeholder={t("connection.add.quick.portPlaceholder")}
             placeholderTextColor={isDark ? "#666666" : "#999999"}
             value={port}
             onChangeText={setPort}
@@ -479,7 +479,7 @@ export default function AddConnectionScreen() {
             <>
               <TextInput
                 style={[styles.input, isDark && styles.inputDark, { marginTop: 12 }]}
-                placeholder="your@email.com"
+                placeholder={t("connection.add.quick.emailPlaceholder")}
                 placeholderTextColor={isDark ? "#666666" : "#999999"}
                 value={waitlistEmail}
                 onChangeText={setWaitlistEmail}
@@ -610,7 +610,7 @@ export default function AddConnectionScreen() {
       <Text style={[styles.label, isDark && styles.labelDark]}>{t("connection.shared.directoryOptional")}</Text>
       <TextInput
         style={[styles.input, isDark && styles.inputDark]}
-        placeholder="/path/to/project"
+        placeholder={t("connection.add.quick.directoryPlaceholder")}
         placeholderTextColor={isDark ? "#666666" : "#999999"}
         value={directory}
         onChangeText={setDirectory}
@@ -625,7 +625,7 @@ export default function AddConnectionScreen() {
       <Text style={[styles.label, isDark && styles.labelDark]}>{t("connection.shared.username")}</Text>
       <TextInput
         style={[styles.input, isDark && styles.inputDark]}
-        placeholder="admin"
+        placeholder={t("connection.add.quick.usernamePlaceholder")}
         placeholderTextColor={isDark ? "#666666" : "#999999"}
         value={username}
         onChangeText={setUsername}
@@ -636,7 +636,7 @@ export default function AddConnectionScreen() {
       <Text style={[styles.label, isDark && styles.labelDark]}>{t("connection.shared.password")}</Text>
       <TextInput
         style={[styles.input, isDark && styles.inputDark]}
-        placeholder="password"
+        placeholder={t("connection.add.quick.passwordPlaceholder")}
         placeholderTextColor={isDark ? "#666666" : "#999999"}
         value={password}
         onChangeText={setPassword}

app/session/[id].tsx

@@ -748,7 +748,7 @@ export default function SessionScreen() {
             onLongPress={() => cycleAgent(-1)}
           >
             <View style={[s.agentDot, { backgroundColor: agentColor }]} />
-            <Text style={[s.agentLabel, isDark && s.textWhite]}>{agent || "build"}</Text>
+            <Text style={[s.agentLabel, isDark && s.textWhite]}>{agent || t("session.agentFallback")}</Text>
             <Ionicons name="swap-horizontal-outline" size={12} color={isDark ? "#888888" : "#666666"} />
           </TouchableOpacity>