diff --git a/app/src/main/java/app/closer/notifications/PartnerNotificationManager.kt b/app/src/main/java/app/closer/notifications/PartnerNotificationManager.kt
index bc9f3dad..9e2d17e7 100644
--- a/app/src/main/java/app/closer/notifications/PartnerNotificationManager.kt
+++ b/app/src/main/java/app/closer/notifications/PartnerNotificationManager.kt
@@ -241,6 +241,13 @@ enum class PartnerNotificationType(
         channelId = NotificationChannelSetup.CHANNEL_PARTNER_ACTIONS,
         rateType = NotificationRateLimiter.Type.PARTNER_TRIGGER
     ),
+    // Affectionate one-tap nudge from the partner sheet (no deeper target — opens Home).
+    THINKING_OF_YOU(
+        title = "Your partner is thinking of you 💜",
+        body = "Tap to send one back.",
+        channelId = NotificationChannelSetup.CHANNEL_PARTNER_ACTIONS,
+        rateType = NotificationRateLimiter.Type.PARTNER_TRIGGER
+    ),
     DAILY_QUESTION_REMINDER(
         title = "Tonight's question is waiting.",
         body = "Answer together before it expires.",
@@ -316,6 +323,7 @@ enum class PartnerNotificationType(
         CHALLENGE_WAITING -> AppRoute.CONNECTION_CHALLENGES
         CAPSULE_UNLOCKED -> AppRoute.MEMORY_LANE
         GENTLE_REMINDER -> AppRoute.DAILY_QUESTION
+        THINKING_OF_YOU -> AppRoute.HOME
         DAILY_QUESTION_REMINDER -> AppRoute.DAILY_QUESTION
         // Open the actual conversation so the partner can reply in place.
         CHAT_MESSAGE -> if (payload.conversationId != null && coupleId.isNotBlank()) {
@@ -347,6 +355,7 @@ enum class PartnerNotificationType(
             "challenge_day_ready", "challenge_waiting" -> CHALLENGE_WAITING
             "memory_capsule_unlocked" -> CAPSULE_UNLOCKED
             "gentle_reminder" -> GENTLE_REMINDER
+            "thinking_of_you" -> THINKING_OF_YOU
             // Server emits both 'daily_question' (assignment) and 'daily_question_reminder' — both open Today.
             "daily_question", "daily_question_reminder" -> DAILY_QUESTION_REMINDER
             "chat_message" -> CHAT_MESSAGE
diff --git a/app/src/main/java/app/closer/ui/activity/ActivityScreen.kt b/app/src/main/java/app/closer/ui/activity/ActivityScreen.kt
index f4f25b94..b1d55e13 100644
--- a/app/src/main/java/app/closer/ui/activity/ActivityScreen.kt
+++ b/app/src/main/java/app/closer/ui/activity/ActivityScreen.kt
@@ -7,6 +7,7 @@ import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.Image
+import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.size
 import androidx.compose.foundation.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
@@ -26,6 +27,7 @@ import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.viewModelScope
 import app.closer.domain.model.ActivityItem
+import app.closer.core.navigation.AppRoute
 import app.closer.data.remote.FirestoreActivityDataSource
 import androidx.compose.ui.res.painterResource
 import app.closer.R
@@ -99,17 +101,38 @@ fun ActivityScreen(
                 verticalArrangement = Arrangement.spacedBy(12.dp)
             ) {
                 items(state.items, key = { it.id }) { item ->
-                    ActivityRow(item)
+                    val route = routeForActivityType(item.type)
+                    ActivityRow(item, onClick = route?.let { { onNavigate(it) } })
                 }
             }
         }
     }
 }
 
+/**
+ * Maps an activity item's type to the relevant hub to open on tap. Affection/reminder items
+ * (thinking_of_you, gentle_reminder, streak, reengagement, …) carry no deeper target, so they
+ * return null and the row stays non-tappable.
+ */
+private fun routeForActivityType(type: String): String? {
+    val t = type.lowercase()
+    return when {
+        "message" in t || "chat" in t -> AppRoute.MESSAGES
+        "game" in t -> AppRoute.PLAY
+        "capsule" in t -> AppRoute.MEMORY_LANE
+        "challenge" in t -> AppRoute.CONNECTION_CHALLENGES
+        "date" in t -> AppRoute.DATE_MATCHES
+        "answer" in t || "reveal" in t || "question" in t || "daily" in t -> AppRoute.DAILY_QUESTION
+        else -> null
+    }
+}
+
 @Composable
-private fun ActivityRow(item: ActivityItem) {
+private fun ActivityRow(item: ActivityItem, onClick: (() -> Unit)? = null) {
     CloserCard(
-        modifier = Modifier.fillMaxWidth(),
+        modifier = Modifier
+            .fillMaxWidth()
+            .let { if (onClick != null) it.clickable(onClick = onClick) else it },
         containerColor = if (item.read) closerCardColor() else CloserPalette.PurpleSoft
     ) {
         Column(modifier = Modifier.padding(16.dp)) {
diff --git a/app/src/main/java/app/closer/ui/home/HomeScreen.kt b/app/src/main/java/app/closer/ui/home/HomeScreen.kt
index dd3dad4a..a81d1a90 100644
--- a/app/src/main/java/app/closer/ui/home/HomeScreen.kt
+++ b/app/src/main/java/app/closer/ui/home/HomeScreen.kt
@@ -1,6 +1,7 @@
 package app.closer.ui.home
 
 import app.closer.core.navigation.AppRoute
+import app.closer.crypto.FieldEncryptor
 import app.closer.domain.model.Question
 import app.closer.domain.model.QuestionCategory
 import androidx.annotation.DrawableRes
@@ -51,7 +52,11 @@ import app.closer.domain.model.OutcomeDay
 import app.closer.ui.components.OutcomeCheckInDialog
 import androidx.compose.material3.Icon
 import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Divider
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.ModalBottomSheet
 import androidx.compose.material3.Surface
+import androidx.compose.material3.rememberModalBottomSheetState
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
@@ -59,6 +64,7 @@ import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.saveable.rememberSaveable
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
@@ -110,6 +116,15 @@ fun HomeScreen(
         }
     }
 
+    LaunchedEffect(state.nudgeResult) {
+        state.nudgeResult?.let {
+            snackbarHostState.showSnackbar(it)
+            viewModel.consumeNudgeResult()
+        }
+    }
+
+    var showPartnerSheet by rememberSaveable { mutableStateOf(false) }
+
     LaunchedEffect(state.needsRecovery) {
         if (state.needsRecovery) {
             onNavigate(app.closer.core.navigation.AppRoute.RECOVERY)
@@ -178,10 +193,22 @@ fun HomeScreen(
         )
     }
 
+    if (showPartnerSheet && state.isPaired) {
+        PartnerQuickActionsSheet(
+            state = state,
+            onDismiss = { showPartnerSheet = false },
+            onNavigate = onNavigate,
+            onThinkingOfYou = viewModel::sendThinkingOfYou
+        )
+    }
+
     HomeContent(
         state = state,
         snackbarHostState = snackbarHostState,
         onNavigate = onNavigate,
+        onPartnerBubble = {
+            if (state.isPaired) showPartnerSheet = true else onNavigate(AppRoute.CREATE_INVITE)
+        },
         onDailyQuestion = { onNavigate(AppRoute.DAILY_QUESTION) },
         onPacks = { onNavigate(AppRoute.QUESTION_PACKS) },
         onCategory = { categoryId -> onNavigate(AppRoute.questionCategory(categoryId)) },
@@ -232,6 +259,7 @@ private fun HomeContent(
     state: HomeUiState,
     snackbarHostState: SnackbarHostState,
     onNavigate: (String) -> Unit,
+    onPartnerBubble: () -> Unit = {},
     onDailyQuestion: () -> Unit,
     onPacks: () -> Unit,
     onCategory: (String) -> Unit,
@@ -306,9 +334,7 @@ private fun HomeContent(
                 streakCount = state.streakCount,
                 isPaired = state.isPaired,
                 unreadActivityCount = state.unreadActivityCount,
-                onTogether = {
-                    onNavigate(if (state.isPaired) AppRoute.ACTIVITY else AppRoute.CREATE_INVITE)
-                }
+                onTogether = onPartnerBubble
             )
 
             when {
@@ -664,6 +690,130 @@ private fun partnerInitials(name: String?): String {
     return initials.uppercase()
 }
 
+/**
+ * Warm quick-actions sheet shown when the partner avatar is tapped: a relationship glance + one-tap
+ * actions. Replaces the old dead-end into the read-only "Together" feed. Only shown when paired.
+ */
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+private fun PartnerQuickActionsSheet(
+    state: HomeUiState,
+    onDismiss: () -> Unit,
+    onNavigate: (String) -> Unit,
+    onThinkingOfYou: () -> Unit
+) {
+    val sheetState = rememberModalBottomSheetState()
+    // A locked/blank name (E2EE key missing on this device) must never surface ciphertext/placeholder.
+    val name = state.partnerName
+        ?.takeIf { it.isNotBlank() && it != FieldEncryptor.LOCKED_PLACEHOLDER }
+        ?: "Your partner"
+    val glance = remember(state.streakCount, state.togetherSince) {
+        buildList {
+            if (state.streakCount > 0) {
+                add("💜 ${state.streakCount} ${if (state.streakCount == 1) "night" else "nights"}")
+            }
+            if (state.togetherSince > 0L) add("together since ${formatMonthYear(state.togetherSince)}")
+        }.joinToString(" · ")
+    }
+    val openPartnerPage = { onNavigate(AppRoute.PARTNER_HOME); onDismiss() }
+
+    ModalBottomSheet(onDismissRequest = onDismiss, sheetState = sheetState) {
+        Column(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp)
+                .padding(bottom = 28.dp),
+            verticalArrangement = Arrangement.spacedBy(4.dp)
+        ) {
+            Row(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .clip(RoundedCornerShape(16.dp))
+                    .clickable(onClick = openPartnerPage)
+                    .padding(vertical = 8.dp),
+                horizontalArrangement = Arrangement.spacedBy(14.dp),
+                verticalAlignment = Alignment.CenterVertically
+            ) {
+                PartnerHeaderBubble(
+                    partnerName = name,
+                    partnerPhotoUrl = state.partnerPhotoUrl,
+                    isPaired = true,
+                    onClick = openPartnerPage
+                )
+                Column(modifier = Modifier.weight(1f), verticalArrangement = Arrangement.spacedBy(2.dp)) {
+                    Text(
+                        text = name,
+                        style = MaterialTheme.typography.titleLarge.copy(fontWeight = FontWeight.SemiBold),
+                        color = MaterialTheme.colorScheme.onSurface,
+                        maxLines = 1,
+                        overflow = TextOverflow.Ellipsis
+                    )
+                    if (glance.isNotBlank()) {
+                        Text(
+                            text = glance,
+                            style = MaterialTheme.typography.bodyMedium,
+                            color = MaterialTheme.colorScheme.onSurfaceVariant,
+                            maxLines = 1,
+                            overflow = TextOverflow.Ellipsis
+                        )
+                    }
+                }
+            }
+
+            Divider(modifier = Modifier.padding(vertical = 4.dp), thickness = 0.5.dp)
+
+            PartnerSheetAction("💜", "Thinking of you", enabled = !state.isSendingNudge, onClick = onThinkingOfYou)
+            PartnerSheetAction("💬", "Message") { onNavigate(AppRoute.MESSAGES); onDismiss() }
+            PartnerSheetAction(
+                "✨",
+                "Together",
+                trailing = state.unreadActivityCount.takeIf { it > 0 }?.let { if (it > 9) "9+" else "$it" }
+            ) { onNavigate(AppRoute.ACTIVITY); onDismiss() }
+            PartnerSheetAction("⚙️", "Your relationship") { onNavigate(AppRoute.RELATIONSHIP_SETTINGS); onDismiss() }
+        }
+    }
+}
+
+@Composable
+private fun PartnerSheetAction(
+    emoji: String,
+    label: String,
+    enabled: Boolean = true,
+    trailing: String? = null,
+    onClick: () -> Unit
+) {
+    Row(
+        modifier = Modifier
+            .fillMaxWidth()
+            .clip(RoundedCornerShape(14.dp))
+            .clickable(enabled = enabled, onClick = onClick)
+            .padding(horizontal = 8.dp, vertical = 16.dp),
+        horizontalArrangement = Arrangement.spacedBy(16.dp),
+        verticalAlignment = Alignment.CenterVertically
+    ) {
+        Text(text = emoji, style = MaterialTheme.typography.titleMedium)
+        Text(
+            text = label,
+            modifier = Modifier.weight(1f),
+            style = MaterialTheme.typography.bodyLarge,
+            color = MaterialTheme.colorScheme.onSurface.copy(alpha = if (enabled) 1f else 0.5f)
+        )
+        if (trailing != null) {
+            Surface(shape = CircleShape, color = CloserPalette.PinkBright) {
+                Text(
+                    text = trailing,
+                    modifier = Modifier.padding(horizontal = 8.dp, vertical = 2.dp),
+                    style = MaterialTheme.typography.labelSmall,
+                    color = Color.White
+                )
+            }
+        }
+    }
+}
+
+private fun formatMonthYear(millis: Long): String =
+    java.text.SimpleDateFormat("MMM yyyy", java.util.Locale.getDefault()).format(java.util.Date(millis))
+
 @Composable
 private fun PartnerActivationCard(
     onInvite: () -> Unit,
diff --git a/app/src/main/java/app/closer/ui/home/HomeViewModel.kt b/app/src/main/java/app/closer/ui/home/HomeViewModel.kt
index 6fabc6b1..b945c8f3 100644
--- a/app/src/main/java/app/closer/ui/home/HomeViewModel.kt
+++ b/app/src/main/java/app/closer/ui/home/HomeViewModel.kt
@@ -29,6 +29,7 @@ import app.closer.domain.repository.OutcomeRepository
 import app.closer.domain.repository.SettingsRepository
 import com.google.firebase.firestore.FirebaseFirestore
 import com.google.firebase.functions.FirebaseFunctions
+import com.google.firebase.functions.FirebaseFunctionsException
 import dagger.hilt.android.lifecycle.HiltViewModel
 import app.closer.ui.home.HomePriorityEngine.Input as PriorityInput
 import app.closer.ui.home.HomePriorityEngine.Priority
@@ -134,6 +135,8 @@ data class HomeUiState(
     val partnerName: String? = null,
     val partnerPhotoUrl: String? = null,
     val streakCount: Int = 0,
+    /** When the couple was created (millis), for the partner-sheet "together since" glance. 0 = unknown. */
+    val togetherSince: Long = 0L,
     val isPaired: Boolean = false,
     val primaryAction: HomeAction? = null,
     val secondaryActions: List<HomeAction> = emptyList(),
@@ -157,6 +160,9 @@ data class HomeUiState(
     val hasUnlockedCapsule: Boolean = false,
     val weeklyRecapReady: Boolean = false,
     val reminderSentEvent: Boolean = false,
+    /** "Thinking of you" nudge: in-flight guard + one-shot snackbar message (success or friendly error). */
+    val isSendingNudge: Boolean = false,
+    val nudgeResult: String? = null,
     // Outcome check-in state
     val outcomeSubmitSuccess: Boolean = false,
     val outcomeError: String? = null,
@@ -332,6 +338,7 @@ class HomeViewModel @Inject constructor(
                         partnerName = partnerName,
                         partnerPhotoUrl = partnerPhotoUrl,
                         streakCount = couple?.streakCount ?: 0,
+                        togetherSince = couple?.createdAt ?: 0L,
                         isPaired = couple != null,
                         coupleId = coupleId,
                         partnerLeftEvent = false,
@@ -481,6 +488,37 @@ class HomeViewModel @Inject constructor(
 
     fun consumeReminderSentEvent() = _uiState.update { it.copy(reminderSentEvent = false) }
 
+    /**
+     * Send a "thinking of you 💜" nudge to the partner via the callable (rate-limited + quiet-hours-aware
+     * server-side). Fails gracefully: maps the error to a friendly one-shot message, never crashes, and
+     * the rest of the sheet works regardless (and before the function is deployed).
+     */
+    fun sendThinkingOfYou() {
+        val state = _uiState.value
+        if (!state.isPaired || state.isSendingNudge) return
+        _uiState.update { it.copy(isSendingNudge = true) }
+        viewModelScope.launch {
+            val message = runCatching {
+                functions.getHttpsCallable("sendThinkingOfYouCallable").call().await()
+            }.fold(
+                onSuccess = { "Sent 💜" },
+                onFailure = { e ->
+                    Log.w(TAG, "Thinking of you failed", e)
+                    if ((e as? FirebaseFunctionsException)?.code ==
+                        FirebaseFunctionsException.Code.RESOURCE_EXHAUSTED
+                    ) {
+                        "You've sent a few already — give it a moment 💜"
+                    } else {
+                        "Couldn't send right now. Try again."
+                    }
+                }
+            )
+            _uiState.update { it.copy(isSendingNudge = false, nudgeResult = message) }
+        }
+    }
+
+    fun consumeNudgeResult() = _uiState.update { it.copy(nudgeResult = null) }
+
     fun consumeStreakMilestone() = _uiState.update { it.copy(streakMilestone = null) }
 
     private fun observeAnswers() {
diff --git a/functions/dist/index.js b/functions/dist/index.js
index c983d2c5..5df51bda 100644
--- a/functions/dist/index.js
+++ b/functions/dist/index.js
@@ -33,7 +33,7 @@ var __importStar = (this && this.__importStar) || (function () {
     };
 })();
 Object.defineProperty(exports, "__esModule", { value: true });
-exports.wrapReleaseKeyCallable = exports.onGamePartFinished = exports.onGameSessionUpdate = exports.onUserDelete = exports.scheduledOutcomesReminder = exports.submitOutcomeCallable = exports.createInviteCallable = exports.acceptInviteCallable = exports.leaveCoupleCallable = exports.onCoupleLeave = exports.onMessageWritten = exports.onAnswerRevealed = exports.onAnswerWritten = exports.assignDailyQuestionCallable = exports.assignDailyQuestion = exports.notifyOnDateMatch = exports.checkDeviceIntegrity = exports.sendReengagementReminder = exports.sendStreakReminder = exports.sendDailyQuestionProactiveReminder = exports.unlockDueMemoryCapsules = exports.sendChallengeDayReminders = exports.sendGentleReminderCallable = exports.sendPartnerAnsweredNotification = exports.sendDailyQuestionReminder = exports.onEntitlementChanged = exports.syncEntitlement = exports.revenueCatWebhook = void 0;
+exports.wrapReleaseKeyCallable = exports.onGamePartFinished = exports.onGameSessionUpdate = exports.onUserDelete = exports.scheduledOutcomesReminder = exports.submitOutcomeCallable = exports.createInviteCallable = exports.acceptInviteCallable = exports.leaveCoupleCallable = exports.onCoupleLeave = exports.onMessageWritten = exports.onAnswerRevealed = exports.onAnswerWritten = exports.assignDailyQuestionCallable = exports.assignDailyQuestion = exports.notifyOnDateMatch = exports.checkDeviceIntegrity = exports.sendReengagementReminder = exports.sendStreakReminder = exports.sendDailyQuestionProactiveReminder = exports.unlockDueMemoryCapsules = exports.sendChallengeDayReminders = exports.sendThinkingOfYouCallable = exports.sendGentleReminderCallable = exports.sendPartnerAnsweredNotification = exports.sendDailyQuestionReminder = exports.onEntitlementChanged = exports.syncEntitlement = exports.revenueCatWebhook = void 0;
 const admin = __importStar(require("firebase-admin"));
 // Initialize the Admin SDK once for every function in this codebase.
 // Handlers call admin.firestore()/messaging() lazily at invocation time, so a
@@ -52,6 +52,8 @@ Object.defineProperty(exports, "sendDailyQuestionReminder", { enumerable: true,
 Object.defineProperty(exports, "sendPartnerAnsweredNotification", { enumerable: true, get: function () { return reminders_1.sendPartnerAnsweredNotification; } });
 var sendGentleReminderCallable_1 = require("./notifications/sendGentleReminderCallable");
 Object.defineProperty(exports, "sendGentleReminderCallable", { enumerable: true, get: function () { return sendGentleReminderCallable_1.sendGentleReminderCallable; } });
+var sendThinkingOfYouCallable_1 = require("./notifications/sendThinkingOfYouCallable");
+Object.defineProperty(exports, "sendThinkingOfYouCallable", { enumerable: true, get: function () { return sendThinkingOfYouCallable_1.sendThinkingOfYouCallable; } });
 var gameRetention_1 = require("./notifications/gameRetention");
 Object.defineProperty(exports, "sendChallengeDayReminders", { enumerable: true, get: function () { return gameRetention_1.sendChallengeDayReminders; } });
 Object.defineProperty(exports, "unlockDueMemoryCapsules", { enumerable: true, get: function () { return gameRetention_1.unlockDueMemoryCapsules; } });
diff --git a/functions/dist/index.js.map b/functions/dist/index.js.map
index bbc17998..d632c95e 100644
--- a/functions/dist/index.js.map
+++ b/functions/dist/index.js.map
@@ -1 +1 @@
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\ No newline at end of file
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diff --git a/functions/dist/notifications/sendThinkingOfYouCallable.js b/functions/dist/notifications/sendThinkingOfYouCallable.js
new file mode 100644
index 00000000..521b8940
--- /dev/null
+++ b/functions/dist/notifications/sendThinkingOfYouCallable.js
@@ -0,0 +1,145 @@
+"use strict";
+var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    var desc = Object.getOwnPropertyDescriptor(m, k);
+    if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
+      desc = { enumerable: true, get: function() { return m[k]; } };
+    }
+    Object.defineProperty(o, k2, desc);
+}) : (function(o, m, k, k2) {
+    if (k2 === undefined) k2 = k;
+    o[k2] = m[k];
+}));
+var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
+    Object.defineProperty(o, "default", { enumerable: true, value: v });
+}) : function(o, v) {
+    o["default"] = v;
+});
+var __importStar = (this && this.__importStar) || (function () {
+    var ownKeys = function(o) {
+        ownKeys = Object.getOwnPropertyNames || function (o) {
+            var ar = [];
+            for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
+            return ar;
+        };
+        return ownKeys(o);
+    };
+    return function (mod) {
+        if (mod && mod.__esModule) return mod;
+        var result = {};
+        if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
+        __setModuleDefault(result, mod);
+        return result;
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.sendThinkingOfYouCallable = void 0;
+const functions = __importStar(require("firebase-functions"));
+const admin = __importStar(require("firebase-admin"));
+const quietHours_1 = require("./quietHours");
+const THINKING_OF_YOU_MAX_PER_DAY = 10;
+const THINKING_OF_YOU_WINDOW_MS = 24 * 60 * 60 * 1000; // rolling 24h
+/**
+ * "Thinking of you 💜" — a one-tap affectionate nudge from the partner sheet.
+ *
+ * Partner-initiated (like the gentle reminder), so it is guarded by a rate limit + quiet hours rather
+ * than a per-type opt-out:
+ *  - Per-user rolling 24h cap (transaction on `rate_limits/{uid}_thinking_of_you`) so it can't be looped.
+ *  - Quiet hours: during the recipient's window the FCM push is suppressed, but the in-app record is
+ *    still written so the love is waiting when they wake. (Improvement over the gentle reminder.)
+ *
+ * Writes a partner-safe `notification_queue` entry (in-app + the "Together" feed) and an FCM push.
+ */
+exports.sendThinkingOfYouCallable = functions.https.onCall(async (_data, context) => {
+    var _a, _b, _c, _d, _e;
+    const callerId = (_a = context.auth) === null || _a === void 0 ? void 0 : _a.uid;
+    if (!callerId) {
+        throw new functions.https.HttpsError('unauthenticated', 'Must be signed in.');
+    }
+    if (!context.app) {
+        throw new functions.https.HttpsError('failed-precondition', 'App Check verification required.');
+    }
+    const db = admin.firestore();
+    // ── Resolve couple + partner ─────────────────────────────────────────────
+    const userDoc = await db.collection('users').doc(callerId).get();
+    const coupleId = (_b = userDoc.data()) === null || _b === void 0 ? void 0 : _b.coupleId;
+    if (!coupleId) {
+        throw new functions.https.HttpsError('failed-precondition', 'Not in a couple.');
+    }
+    const coupleDoc = await db.collection('couples').doc(coupleId).get();
+    if (!coupleDoc.exists) {
+        throw new functions.https.HttpsError('not-found', 'Couple not found.');
+    }
+    const userIds = ((_d = (_c = coupleDoc.data()) === null || _c === void 0 ? void 0 : _c.userIds) !== null && _d !== void 0 ? _d : []);
+    const partnerId = userIds.find((id) => id !== callerId);
+    if (!partnerId) {
+        throw new functions.https.HttpsError('failed-precondition', 'No partner found.');
+    }
+    // ── Per-user rolling rate limit (transactional) ──────────────────────────
+    const now = admin.firestore.Timestamp.now();
+    const rateLimitRef = db.collection('rate_limits').doc(`${callerId}_thinking_of_you`);
+    const throttle = await db.runTransaction(async (tx) => {
+        const snap = await tx.get(rateLimitRef);
+        const data = snap.data();
+        let windowStart = now;
+        let count = 0;
+        if (snap.exists && data) {
+            windowStart = data.windowStart;
+            count = typeof data.count === 'number' ? data.count : 0;
+            if (now.toMillis() - windowStart.toMillis() >= THINKING_OF_YOU_WINDOW_MS) {
+                windowStart = now;
+                count = 0;
+            }
+        }
+        if (count >= THINKING_OF_YOU_MAX_PER_DAY) {
+            return { allowed: false };
+        }
+        tx.set(rateLimitRef, { count: count + 1, windowStart, updatedAt: now }, { merge: true });
+        return { allowed: true };
+    });
+    if (!throttle.allowed) {
+        throw new functions.https.HttpsError('resource-exhausted', "You've sent a few already — give it a moment.");
+    }
+    // ── In-app record (always — shows in-app + the Together feed) ────────────
+    await db.collection('users').doc(partnerId).collection('notification_queue').add({
+        type: 'thinking_of_you',
+        title: 'Your partner is thinking of you 💜',
+        body: 'Tap to send one back.',
+        read: false,
+        createdAt: admin.firestore.FieldValue.serverTimestamp(),
+    });
+    // ── Quiet hours: keep the in-app record, suppress the disruptive push ─────
+    const partnerDoc = await db.collection('users').doc(partnerId).get();
+    if ((0, quietHours_1.recipientInQuietHours)(partnerDoc.data())) {
+        console.log(`[sendThinkingOfYouCallable] ${partnerId} in quiet hours — push suppressed (in-app kept)`);
+        return { sent: true };
+    }
+    // ── FCM push ─────────────────────────────────────────────────────────────
+    const tokens = [];
+    const legacy = (_e = partnerDoc.data()) === null || _e === void 0 ? void 0 : _e.fcmToken;
+    if (typeof legacy === 'string' && legacy.length > 0)
+        tokens.push(legacy);
+    const tokenSnap = await db.collection('users').doc(partnerId).collection('fcmTokens').get();
+    tokenSnap.docs.forEach((d) => {
+        var _a;
+        const t = (_a = d.data()) === null || _a === void 0 ? void 0 : _a.token;
+        if (typeof t === 'string' && t.length > 0 && !tokens.includes(t))
+            tokens.push(t);
+    });
+    if (tokens.length > 0) {
+        const results = await Promise.allSettled(tokens.map((token) => admin.messaging().send({
+            token,
+            notification: { title: 'Your partner is thinking of you 💜', body: 'Tap to send one back.' },
+            android: { notification: { channelId: 'partner_activity' } }, // E-OBS
+            data: { type: 'thinking_of_you', couple_id: coupleId },
+        })));
+        results.forEach((r, i) => {
+            if (r.status === 'rejected') {
+                console.warn(`[sendThinkingOfYouCallable] FCM failed for token ${tokens[i]}:`, r.reason);
+            }
+        });
+    }
+    console.log(`[sendThinkingOfYouCallable] sent from ${callerId} to ${partnerId} in couple ${coupleId}`);
+    return { sent: true };
+});
+//# sourceMappingURL=sendThinkingOfYouCallable.js.map
\ No newline at end of file
diff --git a/functions/dist/notifications/sendThinkingOfYouCallable.js.map b/functions/dist/notifications/sendThinkingOfYouCallable.js.map
new file mode 100644
index 00000000..63d37943
--- /dev/null
+++ b/functions/dist/notifications/sendThinkingOfYouCallable.js.map
@@ -0,0 +1 @@
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\ No newline at end of file
diff --git a/functions/src/index.ts b/functions/src/index.ts
index 4abbaaef..1b098388 100644
--- a/functions/src/index.ts
+++ b/functions/src/index.ts
@@ -15,6 +15,7 @@ export {
   sendPartnerAnsweredNotification,
 } from './notifications/reminders'
 export { sendGentleReminderCallable } from './notifications/sendGentleReminderCallable'
+export { sendThinkingOfYouCallable } from './notifications/sendThinkingOfYouCallable'
 export {
   sendChallengeDayReminders,
   unlockDueMemoryCapsules,
diff --git a/functions/src/notifications/sendThinkingOfYouCallable.ts b/functions/src/notifications/sendThinkingOfYouCallable.ts
new file mode 100644
index 00000000..fa4d7cbc
--- /dev/null
+++ b/functions/src/notifications/sendThinkingOfYouCallable.ts
@@ -0,0 +1,121 @@
+import * as functions from 'firebase-functions'
+import * as admin from 'firebase-admin'
+import { recipientInQuietHours } from './quietHours'
+
+const THINKING_OF_YOU_MAX_PER_DAY = 10
+const THINKING_OF_YOU_WINDOW_MS = 24 * 60 * 60 * 1000 // rolling 24h
+
+/**
+ * "Thinking of you 💜" — a one-tap affectionate nudge from the partner sheet.
+ *
+ * Partner-initiated (like the gentle reminder), so it is guarded by a rate limit + quiet hours rather
+ * than a per-type opt-out:
+ *  - Per-user rolling 24h cap (transaction on `rate_limits/{uid}_thinking_of_you`) so it can't be looped.
+ *  - Quiet hours: during the recipient's window the FCM push is suppressed, but the in-app record is
+ *    still written so the love is waiting when they wake. (Improvement over the gentle reminder.)
+ *
+ * Writes a partner-safe `notification_queue` entry (in-app + the "Together" feed) and an FCM push.
+ */
+export const sendThinkingOfYouCallable = functions.https.onCall(async (_data, context) => {
+  const callerId = context.auth?.uid
+  if (!callerId) {
+    throw new functions.https.HttpsError('unauthenticated', 'Must be signed in.')
+  }
+  if (!context.app) {
+    throw new functions.https.HttpsError('failed-precondition', 'App Check verification required.')
+  }
+
+  const db = admin.firestore()
+
+  // ── Resolve couple + partner ─────────────────────────────────────────────
+  const userDoc = await db.collection('users').doc(callerId).get()
+  const coupleId = userDoc.data()?.coupleId as string | undefined
+  if (!coupleId) {
+    throw new functions.https.HttpsError('failed-precondition', 'Not in a couple.')
+  }
+  const coupleDoc = await db.collection('couples').doc(coupleId).get()
+  if (!coupleDoc.exists) {
+    throw new functions.https.HttpsError('not-found', 'Couple not found.')
+  }
+  const userIds = (coupleDoc.data()?.userIds ?? []) as string[]
+  const partnerId = userIds.find((id) => id !== callerId)
+  if (!partnerId) {
+    throw new functions.https.HttpsError('failed-precondition', 'No partner found.')
+  }
+
+  // ── Per-user rolling rate limit (transactional) ──────────────────────────
+  const now = admin.firestore.Timestamp.now()
+  const rateLimitRef = db.collection('rate_limits').doc(`${callerId}_thinking_of_you`)
+  const throttle = await db.runTransaction(async (tx) => {
+    const snap = await tx.get(rateLimitRef)
+    const data = snap.data()
+    let windowStart = now
+    let count = 0
+    if (snap.exists && data) {
+      windowStart = data.windowStart as admin.firestore.Timestamp
+      count = typeof data.count === 'number' ? data.count : 0
+      if (now.toMillis() - windowStart.toMillis() >= THINKING_OF_YOU_WINDOW_MS) {
+        windowStart = now
+        count = 0
+      }
+    }
+    if (count >= THINKING_OF_YOU_MAX_PER_DAY) {
+      return { allowed: false }
+    }
+    tx.set(rateLimitRef, { count: count + 1, windowStart, updatedAt: now }, { merge: true })
+    return { allowed: true }
+  })
+  if (!throttle.allowed) {
+    throw new functions.https.HttpsError(
+      'resource-exhausted',
+      "You've sent a few already — give it a moment."
+    )
+  }
+
+  // ── In-app record (always — shows in-app + the Together feed) ────────────
+  await db.collection('users').doc(partnerId).collection('notification_queue').add({
+    type: 'thinking_of_you',
+    title: 'Your partner is thinking of you 💜',
+    body: 'Tap to send one back.',
+    read: false,
+    createdAt: admin.firestore.FieldValue.serverTimestamp(),
+  })
+
+  // ── Quiet hours: keep the in-app record, suppress the disruptive push ─────
+  const partnerDoc = await db.collection('users').doc(partnerId).get()
+  if (recipientInQuietHours(partnerDoc.data())) {
+    console.log(`[sendThinkingOfYouCallable] ${partnerId} in quiet hours — push suppressed (in-app kept)`)
+    return { sent: true }
+  }
+
+  // ── FCM push ─────────────────────────────────────────────────────────────
+  const tokens: string[] = []
+  const legacy = partnerDoc.data()?.fcmToken
+  if (typeof legacy === 'string' && legacy.length > 0) tokens.push(legacy)
+  const tokenSnap = await db.collection('users').doc(partnerId).collection('fcmTokens').get()
+  tokenSnap.docs.forEach((d) => {
+    const t = d.data()?.token
+    if (typeof t === 'string' && t.length > 0 && !tokens.includes(t)) tokens.push(t)
+  })
+
+  if (tokens.length > 0) {
+    const results = await Promise.allSettled(
+      tokens.map((token) =>
+        admin.messaging().send({
+          token,
+          notification: { title: 'Your partner is thinking of you 💜', body: 'Tap to send one back.' },
+          android: { notification: { channelId: 'partner_activity' } }, // E-OBS
+          data: { type: 'thinking_of_you', couple_id: coupleId },
+        })
+      )
+    )
+    results.forEach((r, i) => {
+      if (r.status === 'rejected') {
+        console.warn(`[sendThinkingOfYouCallable] FCM failed for token ${tokens[i]}:`, r.reason)
+      }
+    })
+  }
+
+  console.log(`[sendThinkingOfYouCallable] sent from ${callerId} to ${partnerId} in couple ${coupleId}`)
+  return { sent: true }
+})