Add Capacitor Share integration and implement Circle invite sharing feature

android/app/capacitor.build.gradle

@@ -21,6 +21,7 @@ dependencies {
     implementation project(':capacitor-network')
     implementation project(':capacitor-preferences')
     implementation project(':capacitor-push-notifications')
+    implementation project(':capacitor-share')
     implementation project(':capacitor-status-bar')
     implementation project(':capgo-capacitor-document-scanner')
     implementation project(':capgo-capacitor-nfc')

android/app/src/main/AndroidManifest.xml

@@ -30,6 +30,17 @@
                 <data android:scheme="donetick" />
             </intent-filter>
 
+            <!-- Verified App Link for Circle invites hosted by Donetick Cloud. -->
+            <intent-filter android:autoVerify="true">
+                <action android:name="android.intent.action.VIEW" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data
+                    android:scheme="https"
+                    android:host="app.donetick.com"
+                    android:pathPrefix="/circle/join" />
+            </intent-filter>
+
             <!-- NFC NDEF dispatch: open app directly when a donetick:// tag is scanned -->
             <intent-filter>
                 <action android:name="android.nfc.action.NDEF_DISCOVERED" />

android/capacitor.settings.gradle

@@ -38,6 +38,9 @@ project(':capacitor-preferences').projectDir = new File('../node_modules/@capaci
 include ':capacitor-push-notifications'
 project(':capacitor-push-notifications').projectDir = new File('../node_modules/@capacitor/push-notifications/android')
 
+include ':capacitor-share'
+project(':capacitor-share').projectDir = new File('../node_modules/@capacitor/share/android')
+
 include ':capacitor-status-bar'
 project(':capacitor-status-bar').projectDir = new File('../node_modules/@capacitor/status-bar/android')