chore: firebase config, gitignore updates, build tweaks

.firebaserc

@@ -1,5 +1,5 @@
 {
   "projects": {
-    "default": "couples-connect-dev"
+    "default": "closer-real-app"
   }
 }

.gitignore

@@ -57,3 +57,4 @@ UI-PLAN.md
 # Build plans (agent-only, never commit)
 *_build_plan.md
 closer_partner_proof_reveal_privacy.md
+app/google-services.json.bk

app/build.gradle.kts

@@ -13,7 +13,7 @@ android {
     compileSdk = 35
 
     defaultConfig {
-        applicationId = "app.closer"
+        applicationId = "closer.app.package"
         minSdk = 26
         targetSdk = 35
         versionCode = 1

app/src/main/java/app/closer/data/remote/FirestoreInviteDataSource.kt

@@ -41,14 +41,22 @@ class FirestoreInviteDataSource @Inject constructor(
             ?: throw IllegalStateException("Invalid response from createInviteCallable")
         val returnedCode = data["code"] as? String
             ?: throw IllegalStateException("Missing code in createInviteCallable response")
-        val expiresAt = data["expiresAt"] as? com.google.firebase.Timestamp
-            ?: throw IllegalStateException("Missing expiresAt in createInviteCallable response")
+        // Callable SDK returns Timestamps as Map<_seconds, _nanoseconds>, not firebase.Timestamp.
+        val expiresAt: com.google.firebase.Timestamp? = when (val raw = data["expiresAt"]) {
+            is com.google.firebase.Timestamp -> raw
+            is Map<*, *> -> {
+                val s = (raw["_seconds"] as? Long) ?: (raw["_seconds"] as? Int)?.toLong()
+                val n = (raw["_nanoseconds"] as? Long) ?: (raw["_nanoseconds"] as? Int)?.toLong()
+                if (s != null && n != null) com.google.firebase.Timestamp(s, n.toInt()) else null
+            }
+            else -> null
+        }
         return CreateInviteResponse(returnedCode, expiresAt)
     }
 
     data class CreateInviteResponse(
         val code: String,
-        val expiresAt: com.google.firebase.Timestamp
+        val expiresAt: com.google.firebase.Timestamp? = null
     )
 
     /**

app/src/main/java/app/closer/ui/pairing/CreateInviteViewModel.kt

@@ -1,5 +1,6 @@
 package app.closer.ui.pairing
 
+import android.util.Log
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import app.closer.core.navigation.AppRoute
@@ -48,6 +49,7 @@ class CreateInviteViewModel @Inject constructor(
                     _uiState.update { it.copy(isLoading = false, inviteCode = result.code, recoveryPhrase = result.recoveryPhrase) }
                 }
                 .onFailure { e ->
+                    Log.e(TAG, "createInvite failed", e)
                     _uiState.update { it.copy(isLoading = false, error = e.message ?: "Couldn't create invite. Please try again.") }
                 }
         }
@@ -55,4 +57,8 @@ class CreateInviteViewModel @Inject constructor(
 
     fun onNavigated() = _uiState.update { it.copy(navigateTo = null) }
     fun dismissError() = _uiState.update { it.copy(error = null) }
+
+    companion object {
+        private const val TAG = "CreateInviteViewModel"
+    }
 }

firestore.indexes.json

@@ -1,5 +1,22 @@
 {
-  "indexes": [],
+  "indexes": [
+    {
+      "collectionGroup": "invites",
+      "queryScope": "COLLECTION",
+      "fields": [
+        { "fieldPath": "inviterUserId", "order": "ASCENDING" },
+        { "fieldPath": "createdAt", "order": "DESCENDING" }
+      ]
+    },
+    {
+      "collectionGroup": "capsules",
+      "queryScope": "COLLECTION_GROUP",
+      "fields": [
+        { "fieldPath": "status", "order": "ASCENDING" },
+        { "fieldPath": "unlockAt", "order": "ASCENDING" }
+      ]
+    }
+  ],
   "fieldOverrides": [
     {
       "collectionGroup": "invite_attempts",