Add adaptive medication timing, Discord presence tracking, and nagging system

api/routes/adaptive_meds.py

@@ -0,0 +1,185 @@
+"""
+api/routes/adaptive_meds.py - API endpoints for adaptive medication settings
+"""
+
+import flask
+import jwt
+import os
+import core.postgres as postgres
+import core.adaptive_meds as adaptive_meds
+
+JWT_SECRET = os.getenv("JWT_SECRET")
+
+
+def _get_user_uuid(request):
+    """Extract and validate user UUID from JWT token."""
+    auth_header = request.headers.get("Authorization", "")
+    if not auth_header.startswith("Bearer "):
+        return None
+
+    token = auth_header[7:]
+    try:
+        payload = jwt.decode(token, JWT_SECRET, algorithms=["HS256"])
+        return payload.get("sub")
+    except jwt.ExpiredSignatureError:
+        return None
+    except jwt.InvalidTokenError:
+        return None
+
+
+def register(app):
+    @app.route("/api/adaptive-meds/settings", methods=["GET"])
+    def get_adaptive_settings():
+        """Get user's adaptive medication settings."""
+        user_uuid = _get_user_uuid(flask.request)
+        if not user_uuid:
+            return flask.jsonify({"error": "Unauthorized"}), 401
+
+        settings = adaptive_meds.get_adaptive_settings(user_uuid)
+
+        if not settings:
+            # Return defaults
+            return flask.jsonify(
+                {
+                    "adaptive_timing_enabled": False,
+                    "adaptive_mode": "shift_all",
+                    "presence_tracking_enabled": False,
+                    "nagging_enabled": True,
+                    "nag_interval_minutes": 15,
+                    "max_nag_count": 4,
+                    "quiet_hours_start": None,
+                    "quiet_hours_end": None,
+                }
+            ), 200
+
+        return flask.jsonify(
+            {
+                "adaptive_timing_enabled": settings.get(
+                    "adaptive_timing_enabled", False
+                ),
+                "adaptive_mode": settings.get("adaptive_mode", "shift_all"),
+                "presence_tracking_enabled": settings.get(
+                    "presence_tracking_enabled", False
+                ),
+                "nagging_enabled": settings.get("nagging_enabled", True),
+                "nag_interval_minutes": settings.get("nag_interval_minutes", 15),
+                "max_nag_count": settings.get("max_nag_count", 4),
+                "quiet_hours_start": settings.get("quiet_hours_start"),
+                "quiet_hours_end": settings.get("quiet_hours_end"),
+            }
+        ), 200
+
+    @app.route("/api/adaptive-meds/settings", methods=["PUT"])
+    def update_adaptive_settings():
+        """Update user's adaptive medication settings."""
+        user_uuid = _get_user_uuid(flask.request)
+        if not user_uuid:
+            return flask.jsonify({"error": "Unauthorized"}), 401
+
+        data = flask.request.get_json()
+        if not data:
+            return flask.jsonify({"error": "No data provided"}), 400
+
+        # Validate required fields if enabling adaptive timing
+        if data.get("adaptive_timing_enabled"):
+            if not data.get("adaptive_mode"):
+                return flask.jsonify(
+                    {"error": "adaptive_mode is required when enabling adaptive timing"}
+                ), 400
+
+        # Build update data
+        update_data = {
+            "adaptive_timing_enabled": data.get("adaptive_timing_enabled", False),
+            "adaptive_mode": data.get("adaptive_mode", "shift_all"),
+            "presence_tracking_enabled": data.get("presence_tracking_enabled", False),
+            "nagging_enabled": data.get("nagging_enabled", True),
+            "nag_interval_minutes": data.get("nag_interval_minutes", 15),
+            "max_nag_count": data.get("max_nag_count", 4),
+            "quiet_hours_start": data.get("quiet_hours_start"),
+            "quiet_hours_end": data.get("quiet_hours_end"),
+        }
+
+        # Check if settings exist
+        existing = adaptive_meds.get_adaptive_settings(user_uuid)
+
+        if existing:
+            postgres.update(
+                "adaptive_med_settings", update_data, {"user_uuid": user_uuid}
+            )
+        else:
+            update_data["user_uuid"] = user_uuid
+            postgres.insert("adaptive_med_settings", update_data)
+
+        return flask.jsonify({"success": True}), 200
+
+    @app.route("/api/adaptive-meds/presence", methods=["GET"])
+    def get_presence_status():
+        """Get user's Discord presence status."""
+        user_uuid = _get_user_uuid(flask.request)
+        if not user_uuid:
+            return flask.jsonify({"error": "Unauthorized"}), 401
+
+        presence = adaptive_meds.get_user_presence(user_uuid)
+
+        if not presence:
+            return flask.jsonify(
+                {"is_online": False, "last_online_at": None, "typical_wake_time": None}
+            ), 200
+
+        typical_wake = adaptive_meds.calculate_typical_wake_time(user_uuid)
+
+        return flask.jsonify(
+            {
+                "is_online": presence.get("is_currently_online", False),
+                "last_online_at": presence.get("last_online_at").isoformat()
+                if presence.get("last_online_at")
+                else None,
+                "last_offline_at": presence.get("last_offline_at").isoformat()
+                if presence.get("last_offline_at")
+                else None,
+                "typical_wake_time": typical_wake.strftime("%H:%M")
+                if typical_wake
+                else None,
+            }
+        ), 200
+
+    @app.route("/api/adaptive-meds/schedule", methods=["GET"])
+    def get_today_schedule():
+        """Get today's adaptive medication schedule."""
+        user_uuid = _get_user_uuid(flask.request)
+        if not user_uuid:
+            return flask.jsonify({"error": "Unauthorized"}), 401
+
+        from datetime import date
+
+        today = date.today()
+
+        # Get all medications for user
+        meds = postgres.select("medications", {"user_uuid": user_uuid, "active": True})
+
+        schedule_data = []
+        for med in meds:
+            med_id = med.get("id")
+            med_schedules = postgres.select(
+                "medication_schedules",
+                {
+                    "user_uuid": user_uuid,
+                    "medication_id": med_id,
+                    "adjustment_date": today,
+                },
+            )
+
+            for sched in med_schedules:
+                schedule_data.append(
+                    {
+                        "medication_id": med_id,
+                        "medication_name": med.get("name"),
+                        "base_time": sched.get("base_time"),
+                        "adjusted_time": sched.get("adjusted_time"),
+                        "adjustment_minutes": sched.get("adjustment_minutes", 0),
+                        "status": sched.get("status", "pending"),
+                        "nag_count": sched.get("nag_count", 0),
+                    }
+                )
+
+        return flask.jsonify(schedule_data), 200

bot/bot.py

@@ -577,5 +577,88 @@ async def beforeBackgroundLoop():
     await client.wait_until_ready()
 
 
+# ==================== Discord Presence Tracking ====================
+
+
+async def update_presence_tracking():
+    """Track Discord presence for users with presence tracking enabled."""
+    try:
+        import core.adaptive_meds as adaptive_meds
+        import core.postgres as postgres
+
+        # Get all users with presence tracking enabled
+        settings = postgres.select(
+            "adaptive_med_settings", {"presence_tracking_enabled": True}
+        )
+
+        for setting in settings:
+            user_uuid = setting.get("user_uuid")
+
+            # Get user's Discord ID from notifications table
+            notif_settings = postgres.select("notifications", {"user_uuid": user_uuid})
+            if not notif_settings:
+                continue
+
+            discord_user_id = notif_settings[0].get("discord_user_id")
+            if not discord_user_id:
+                continue
+
+            # Get the user from Discord
+            try:
+                discord_user = await client.fetch_user(int(discord_user_id))
+                if not discord_user:
+                    continue
+
+                # Check if user is online
+                is_online = discord_user.status != discord.Status.offline
+
+                # Get current presence from DB
+                presence = adaptive_meds.get_user_presence(user_uuid)
+                was_online = presence.get("is_currently_online") if presence else False
+
+                # Update presence if changed
+                if is_online != was_online:
+                    adaptive_meds.update_user_presence(
+                        user_uuid, discord_user_id, is_online
+                    )
+
+                    # Record the event
+                    from datetime import datetime
+
+                    event_type = "online" if is_online else "offline"
+                    adaptive_meds.record_presence_event(
+                        user_uuid, event_type, datetime.utcnow()
+                    )
+
+                    print(
+                        f"Presence update: User {user_uuid} is now {'online' if is_online else 'offline'}"
+                    )
+
+            except Exception as e:
+                print(f"Error tracking presence for user {user_uuid}: {e}")
+
+    except Exception as e:
+        print(f"Error in presence tracking loop: {e}")
+
+
+@tasks.loop(seconds=30)
+async def presenceTrackingLoop():
+    """Track Discord presence every 30 seconds."""
+    await update_presence_tracking()
+
+
+@presenceTrackingLoop.before_loop
+async def beforePresenceTrackingLoop():
+    await client.wait_until_ready()
+
+
+@client.event
+async def on_ready():
+    print(f"Bot logged in as {client.user}")
+    loadCache()
+    backgroundLoop.start()
+    presenceTrackingLoop.start()
+
+
 if __name__ == "__main__":
     client.run(DISCORD_BOT_TOKEN)

bot/config.json

@@ -0,0 +1,12 @@
+{
+  "openrouter_api_key": "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",
+  "embedding_file": "dbt_knowledge.json",
+  "models": {
+    "generator": "moonshotai/kimi-k2.5",
+    "jury_clinical": "z-ai/glm-5",
+    "jury_safety": "deepseek/deepseek-v3.2",
+    "jury_empathy": "openai/gpt-4o-2024-08-06",
+    "jury_hallucination": "qwen/qwen3-235b-a22b-2507"
+  },
+  "system_prompt": "You are a DBT assistant. Answer based ONLY on the provided context."
+}

config/schema.sql

@@ -200,3 +200,53 @@ CREATE TABLE IF NOT EXISTS med_logs (
     notes TEXT,
     created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
 );
+
+-- ── Adaptive Medication Settings ─────────────────────────────
+
+CREATE TABLE IF NOT EXISTS adaptive_med_settings (
+    id UUID PRIMARY KEY,
+    user_uuid UUID REFERENCES users(id) ON DELETE CASCADE UNIQUE,
+    adaptive_timing_enabled BOOLEAN DEFAULT FALSE,
+    adaptive_mode VARCHAR(20) DEFAULT 'shift_all',
+    presence_tracking_enabled BOOLEAN DEFAULT FALSE,
+    nagging_enabled BOOLEAN DEFAULT TRUE,
+    nag_interval_minutes INTEGER DEFAULT 15,
+    max_nag_count INTEGER DEFAULT 4,
+    quiet_hours_start TIME,
+    quiet_hours_end TIME,
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- ── User Discord Presence Tracking ────────────────────────────
+
+CREATE TABLE IF NOT EXISTS user_presence (
+    id UUID PRIMARY KEY,
+    user_uuid UUID REFERENCES users(id) ON DELETE CASCADE UNIQUE,
+    discord_user_id VARCHAR(255),
+    last_online_at TIMESTAMP,
+    last_offline_at TIMESTAMP,
+    is_currently_online BOOLEAN DEFAULT FALSE,
+    typical_wake_time TIME,
+    presence_history JSONB DEFAULT '[]',
+    updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+-- ── Adaptive Medication Schedules (Daily Tracking) ───────────
+
+CREATE TABLE IF NOT EXISTS medication_schedules (
+    id UUID PRIMARY KEY,
+    medication_id UUID REFERENCES medications(id) ON DELETE CASCADE,
+    user_uuid UUID REFERENCES users(id) ON DELETE CASCADE,
+    base_time TIME NOT NULL,
+    adjusted_time TIME,
+    adjustment_date DATE NOT NULL,
+    adjustment_minutes INTEGER DEFAULT 0,
+    nag_count INTEGER DEFAULT 0,
+    last_nag_at TIMESTAMP,
+    status VARCHAR(20) DEFAULT 'pending',
+    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP
+);
+
+CREATE INDEX IF NOT EXISTS idx_med_schedules_user_date ON medication_schedules(user_uuid, adjustment_date);
+CREATE INDEX IF NOT EXISTS idx_med_schedules_status ON medication_schedules(status);

core/adaptive_meds.py

@@ -0,0 +1,358 @@
+"""
+core/adaptive_meds.py - Adaptive medication timing and nagging logic
+
+This module handles:
+- Discord presence tracking for wake detection
+- Adaptive medication schedule calculations
+- Nagging logic for missed medications
+- Quiet hours enforcement
+"""
+
+import json
+from datetime import datetime, timedelta, time
+from typing import Optional, Dict, List, Tuple
+import core.postgres as postgres
+from core.tz import user_now
+
+
+def get_adaptive_settings(user_uuid: str) -> Optional[Dict]:
+    """Get user's adaptive medication settings."""
+    rows = postgres.select("adaptive_med_settings", {"user_uuid": user_uuid})
+    if rows:
+        return rows[0]
+    return None
+
+
+def get_user_presence(user_uuid: str) -> Optional[Dict]:
+    """Get user's Discord presence data."""
+    rows = postgres.select("user_presence", {"user_uuid": user_uuid})
+    if rows:
+        return rows[0]
+    return None
+
+
+def update_user_presence(user_uuid: str, discord_user_id: str, is_online: bool):
+    """Update user's presence status."""
+    now = datetime.utcnow()
+
+    presence = get_user_presence(user_uuid)
+
+    if presence:
+        # Update existing record
+        updates = {"is_currently_online": is_online, "updated_at": now}
+
+        if is_online:
+            updates["last_online_at"] = now
+        else:
+            updates["last_offline_at"] = now
+
+        postgres.update("user_presence", updates, {"user_uuid": user_uuid})
+    else:
+        # Create new record
+        data = {
+            "user_uuid": user_uuid,
+            "discord_user_id": discord_user_id,
+            "is_currently_online": is_online,
+            "last_online_at": now if is_online else None,
+            "last_offline_at": now if not is_online else None,
+            "presence_history": json.dumps([]),
+            "updated_at": now,
+        }
+        postgres.insert("user_presence", data)
+
+
+def record_presence_event(user_uuid: str, event_type: str, timestamp: datetime):
+    """Record a presence event in the history."""
+    presence = get_user_presence(user_uuid)
+    if not presence:
+        return
+
+    history = json.loads(presence.get("presence_history", "[]"))
+
+    # Add new event
+    history.append({"type": event_type, "timestamp": timestamp.isoformat()})
+
+    # Keep only last 7 days of history (up to 100 events)
+    history = history[-100:]
+
+    postgres.update(
+        "user_presence",
+        {"presence_history": json.dumps(history)},
+        {"user_uuid": user_uuid},
+    )
+
+
+def calculate_typical_wake_time(user_uuid: str) -> Optional[time]:
+    """Calculate user's typical wake time based on presence history."""
+    presence = get_user_presence(user_uuid)
+    if not presence:
+        return None
+
+    history = json.loads(presence.get("presence_history", "[]"))
+    if len(history) < 3:
+        return None
+
+    # Get all "online" events
+    wake_times = []
+    for event in history:
+        if event["type"] == "online":
+            ts = datetime.fromisoformat(event["timestamp"])
+            wake_times.append(ts.time())
+
+    if not wake_times:
+        return None
+
+    # Calculate average wake time (convert to minutes since midnight)
+    total_minutes = sum(t.hour * 60 + t.minute for t in wake_times)
+    avg_minutes = total_minutes // len(wake_times)
+
+    return time(avg_minutes // 60, avg_minutes % 60)
+
+
+def detect_wake_event(user_uuid: str, current_time: datetime) -> Optional[datetime]:
+    """Detect if user just woke up based on presence change."""
+    presence = get_user_presence(user_uuid)
+    if not presence:
+        return None
+
+    # Check if they just came online
+    if presence.get("is_currently_online"):
+        last_online = presence.get("last_online_at")
+        last_offline = presence.get("last_offline_at")
+
+        if last_online and last_offline:
+            offline_duration = last_online - last_offline
+            # If they were offline for more than 30 minutes, consider it a wake event
+            if offline_duration.total_seconds() > 1800:  # 30 minutes
+                return last_online
+
+    return None
+
+
+def is_quiet_hours(user_uuid: str, check_time: datetime) -> bool:
+    """Check if current time is within user's quiet hours."""
+    settings = get_adaptive_settings(user_uuid)
+    if not settings:
+        return False
+
+    quiet_start = settings.get("quiet_hours_start")
+    quiet_end = settings.get("quiet_hours_end")
+
+    if not quiet_start or not quiet_end:
+        return False
+
+    current_time = check_time.time()
+
+    # Handle quiet hours that span midnight
+    if quiet_start > quiet_end:
+        return current_time >= quiet_start or current_time <= quiet_end
+    else:
+        return quiet_start <= current_time <= quiet_end
+
+
+def calculate_adjusted_times(
+    user_uuid: str, base_times: List[str], wake_time: Optional[datetime] = None
+) -> List[Tuple[str, int]]:
+    """
+    Calculate adjusted medication times based on wake time.
+
+    Args:
+        user_uuid: User's UUID
+        base_times: List of base times in "HH:MM" format
+        wake_time: Optional wake time to use for adjustment
+
+    Returns:
+        List of (adjusted_time_str, offset_minutes) tuples
+    """
+    settings = get_adaptive_settings(user_uuid)
+    if not settings or not settings.get("adaptive_timing_enabled"):
+        # Return base times with 0 offset
+        return [(t, 0) for t in base_times]
+
+    # Get user's timezone
+    prefs = postgres.select("user_preferences", {"user_uuid": user_uuid})
+    offset_minutes = prefs[0].get("timezone_offset", 0) if prefs else 0
+
+    # Get current time in user's timezone
+    user_current_time = user_now(offset_minutes)
+    today = user_current_time.date()
+
+    # Determine wake time
+    if wake_time is None:
+        # Try to get from presence detection
+        wake_time = detect_wake_event(user_uuid, user_current_time)
+
+    if wake_time is None:
+        # Use typical wake time if available
+        typical_wake = calculate_typical_wake_time(user_uuid)
+        if typical_wake:
+            wake_time = datetime.combine(today, typical_wake)
+
+    if wake_time is None:
+        # Default wake time (8 AM)
+        wake_time = datetime.combine(today, time(8, 0))
+
+    # Calculate offset from first med time
+    if not base_times:
+        return []
+
+    first_med_time = datetime.strptime(base_times[0], "%H:%M").time()
+    first_med_datetime = datetime.combine(today, first_med_time)
+
+    # Calculate how late they are
+    if wake_time.time() > first_med_time:
+        # They woke up after their first med time
+        offset_minutes = int((wake_time - first_med_datetime).total_seconds() / 60)
+    else:
+        offset_minutes = 0
+
+    # Adjust all times
+    adjusted = []
+    for base_time_str in base_times:
+        base_time = datetime.strptime(base_time_str, "%H:%M").time()
+        base_datetime = datetime.combine(today, base_time)
+
+        # Add offset
+        adjusted_datetime = base_datetime + timedelta(minutes=offset_minutes)
+        adjusted_time_str = adjusted_datetime.strftime("%H:%M")
+
+        adjusted.append((adjusted_time_str, offset_minutes))
+
+    return adjusted
+
+
+def should_send_nag(
+    user_uuid: str, med_id: str, scheduled_time: str, current_time: datetime
+) -> Tuple[bool, str]:
+    """
+    Determine if we should send a nag notification.
+
+    Returns:
+        (should_nag: bool, reason: str)
+    """
+    settings = get_adaptive_settings(user_uuid)
+    if not settings:
+        return False, "No settings"
+
+    if not settings.get("nagging_enabled"):
+        return False, "Nagging disabled"
+
+    # Check quiet hours
+    if is_quiet_hours(user_uuid, current_time):
+        return False, "Quiet hours"
+
+    # Check if user is online (don't nag if offline unless presence tracking disabled)
+    presence = get_user_presence(user_uuid)
+    if presence and settings.get("presence_tracking_enabled"):
+        if not presence.get("is_currently_online"):
+            return False, "User offline"
+
+    # Get today's schedule record
+    today = current_time.date()
+    schedules = postgres.select(
+        "medication_schedules",
+        {"user_uuid": user_uuid, "medication_id": med_id, "adjustment_date": today},
+    )
+
+    if not schedules:
+        return False, "No schedule found"
+
+    schedule = schedules[0]
+    nag_count = schedule.get("nag_count", 0)
+    max_nags = settings.get("max_nag_count", 4)
+
+    if nag_count >= max_nags:
+        return False, f"Max nags reached ({max_nags})"
+
+    # Check if it's time to nag
+    last_nag = schedule.get("last_nag_at")
+    nag_interval = settings.get("nag_interval_minutes", 15)
+
+    if last_nag:
+        time_since_last_nag = (current_time - last_nag).total_seconds() / 60
+        if time_since_last_nag < nag_interval:
+            return False, f"Too soon ({int(time_since_last_nag)} < {nag_interval} min)"
+
+    # Check if medication was already taken today
+    logs = postgres.select(
+        "med_logs", {"medication_id": med_id, "user_uuid": user_uuid, "action": "taken"}
+    )
+
+    # Filter to today's logs
+    today_logs = [
+        log
+        for log in logs
+        if log.get("created_at") and log["created_at"].date() == today
+    ]
+
+    if today_logs:
+        return False, "Already taken today"
+
+    return True, "Time to nag"
+
+
+def record_nag_sent(user_uuid: str, med_id: str, scheduled_time: str):
+    """Record that a nag was sent."""
+    today = datetime.utcnow().date()
+
+    schedules = postgres.select(
+        "medication_schedules",
+        {"user_uuid": user_uuid, "medication_id": med_id, "adjustment_date": today},
+    )
+
+    if schedules:
+        schedule = schedules[0]
+        new_nag_count = schedule.get("nag_count", 0) + 1
+
+        postgres.update(
+            "medication_schedules",
+            {"nag_count": new_nag_count, "last_nag_at": datetime.utcnow()},
+            {"id": schedule["id"]},
+        )
+
+
+def create_daily_schedule(user_uuid: str, med_id: str, base_times: List[str]):
+    """Create today's medication schedule with adaptive adjustments."""
+    today = datetime.utcnow().date()
+
+    # Check if schedule already exists
+    existing = postgres.select(
+        "medication_schedules",
+        {"user_uuid": user_uuid, "medication_id": med_id, "adjustment_date": today},
+    )
+
+    if existing:
+        return
+
+    # Calculate adjusted times
+    adjusted_times = calculate_adjusted_times(user_uuid, base_times)
+
+    # Create schedule records for each time
+    for base_time, (adjusted_time, offset) in zip(base_times, adjusted_times):
+        data = {
+            "user_uuid": user_uuid,
+            "medication_id": med_id,
+            "base_time": base_time,
+            "adjusted_time": adjusted_time,
+            "adjustment_date": today,
+            "adjustment_minutes": offset,
+            "nag_count": 0,
+            "status": "pending",
+        }
+        postgres.insert("medication_schedules", data)
+
+
+def mark_med_taken(user_uuid: str, med_id: str, scheduled_time: str):
+    """Mark a medication as taken."""
+    today = datetime.utcnow().date()
+
+    postgres.update(
+        "medication_schedules",
+        {"status": "taken"},
+        {
+            "user_uuid": user_uuid,
+            "medication_id": med_id,
+            "adjustment_date": today,
+            "adjusted_time": scheduled_time,
+        },
+    )

scheduler/daemon.py

@@ -11,6 +11,7 @@ from datetime import datetime, timezone, timedelta
 
 import core.postgres as postgres
 import core.notifications as notifications
+import core.adaptive_meds as adaptive_meds
 
 logging.basicConfig(level=logging.INFO)
 logger = logging.getLogger(__name__)
@@ -155,9 +156,226 @@ def check_refills():
         logger.error(f"Error checking refills: {e}")
 
 
+def create_daily_adaptive_schedules():
+    """Create today's medication schedules with adaptive timing."""
+    try:
+        from datetime import date as date_type
+
+        meds = postgres.select("medications", where={"active": True})
+
+        for med in meds:
+            user_uuid = med.get("user_uuid")
+            med_id = med.get("id")
+            times = med.get("times", [])
+
+            if not times:
+                continue
+
+            # Create daily schedule with adaptive adjustments
+            adaptive_meds.create_daily_schedule(user_uuid, med_id, times)
+
+    except Exception as e:
+        logger.error(f"Error creating daily adaptive schedules: {e}")
+
+
+def check_adaptive_medication_reminders():
+    """Check for medications due now with adaptive timing."""
+    try:
+        from datetime import date as date_type
+
+        meds = postgres.select("medications", where={"active": True})
+
+        # Group by user
+        user_meds = {}
+        for med in meds:
+            uid = med.get("user_uuid")
+            if uid not in user_meds:
+                user_meds[uid] = []
+            user_meds[uid].append(med)
+
+        for user_uuid, user_med_list in user_meds.items():
+            now = _user_now_for(user_uuid)
+            current_time = now.strftime("%H:%M")
+            today = now.date()
+
+            # Check if adaptive timing is enabled
+            settings = adaptive_meds.get_adaptive_settings(user_uuid)
+            adaptive_enabled = settings and settings.get("adaptive_timing_enabled")
+
+            for med in user_med_list:
+                freq = med.get("frequency", "daily")
+
+                if freq == "as_needed":
+                    continue
+
+                # Day-of-week check
+                if freq == "specific_days":
+                    current_day = now.strftime("%a").lower()
+                    med_days = med.get("days_of_week", [])
+                    if current_day not in med_days:
+                        continue
+
+                # Interval check
+                if freq == "every_n_days":
+                    start = med.get("start_date")
+                    interval = med.get("interval_days")
+                    if start and interval:
+                        start_d = (
+                            start
+                            if isinstance(start, date_type)
+                            else datetime.strptime(str(start), "%Y-%m-%d").date()
+                        )
+                        if (today - start_d).days < 0 or (
+                            today - start_d
+                        ).days % interval != 0:
+                            continue
+                    else:
+                        continue
+
+                # Get today's schedule
+                schedules = postgres.select(
+                    "medication_schedules",
+                    where={
+                        "user_uuid": user_uuid,
+                        "medication_id": med["id"],
+                        "adjustment_date": today,
+                        "status": "pending",
+                    },
+                )
+
+                for sched in schedules:
+                    # Check if it's time to take this med
+                    if adaptive_enabled:
+                        # Use adjusted time
+                        check_time = sched.get("adjusted_time")
+                    else:
+                        # Use base time
+                        check_time = sched.get("base_time")
+
+                    if check_time != current_time:
+                        continue
+
+                    # Check if already taken
+                    logs = postgres.select(
+                        "med_logs",
+                        where={
+                            "medication_id": med["id"],
+                            "user_uuid": user_uuid,
+                            "action": "taken",
+                        },
+                    )
+
+                    already_taken = any(
+                        str(log.get("created_at", ""))[:10] == today.isoformat()
+                        for log in logs
+                    )
+
+                    if already_taken:
+                        continue
+
+                    # Send notification
+                    user_settings = notifications.getNotificationSettings(user_uuid)
+                    if user_settings:
+                        offset = sched.get("adjustment_minutes", 0)
+                        if offset > 0:
+                            msg = f"⏰ Time to take {med['name']} ({med['dosage']} {med['unit']}) · {check_time} (adjusted +{offset}min)"
+                        else:
+                            msg = f"⏰ Time to take {med['name']} ({med['dosage']} {med['unit']}) · {check_time}"
+
+                        notifications._sendToEnabledChannels(
+                            user_settings, msg, user_uuid=user_uuid
+                        )
+
+    except Exception as e:
+        logger.error(f"Error checking adaptive medication reminders: {e}")
+
+
+def check_nagging():
+    """Check for missed medications and send nag notifications."""
+    try:
+        from datetime import date as date_type
+
+        # Get all active medications
+        meds = postgres.select("medications", where={"active": True})
+
+        for med in meds:
+            user_uuid = med.get("user_uuid")
+            med_id = med.get("id")
+
+            # Get user's settings
+            settings = adaptive_meds.get_adaptive_settings(user_uuid)
+            if not settings or not settings.get("nagging_enabled"):
+                continue
+
+            now = datetime.utcnow()
+            today = now.date()
+
+            # Get today's schedules
+            schedules = postgres.select(
+                "medication_schedules",
+                where={
+                    "user_uuid": user_uuid,
+                    "medication_id": med_id,
+                    "adjustment_date": today,
+                    "status": "pending",
+                },
+            )
+
+            for sched in schedules:
+                # Check if we should nag
+                should_nag, reason = adaptive_meds.should_send_nag(
+                    user_uuid, med_id, sched.get("adjusted_time"), now
+                )
+
+                if not should_nag:
+                    continue
+
+                # Get the time to display
+                adaptive_enabled = settings.get("adaptive_timing_enabled")
+                if adaptive_enabled:
+                    display_time = sched.get("adjusted_time")
+                else:
+                    display_time = sched.get("base_time")
+
+                # Send nag notification
+                user_settings = notifications.getNotificationSettings(user_uuid)
+                if user_settings:
+                    nag_count = sched.get("nag_count", 0) + 1
+                    max_nags = settings.get("max_nag_count", 4)
+
+                    msg = f"🔔 {med['name']} reminder {nag_count}/{max_nags}: You missed your {display_time} dose. Please take it now!"
+
+                    notifications._sendToEnabledChannels(
+                        user_settings, msg, user_uuid=user_uuid
+                    )
+
+                    # Record that we sent a nag
+                    adaptive_meds.record_nag_sent(
+                        user_uuid, med_id, sched.get("adjusted_time")
+                    )
+
+                    logger.info(
+                        f"Sent nag {nag_count}/{max_nags} for {med['name']} to user {user_uuid}"
+                    )
+
+    except Exception as e:
+        logger.error(f"Error checking nags: {e}")
+
+
 def poll_callback():
     """Called every POLL_INTERVAL seconds."""
-    check_medication_reminders()
+    # Create daily schedules at midnight
+    now = datetime.utcnow()
+    if now.hour == 0 and now.minute < POLL_INTERVAL / 60:
+        create_daily_adaptive_schedules()
+
+    # Check reminders with adaptive timing
+    check_adaptive_medication_reminders()
+
+    # Check for nags
+    check_nagging()
+
+    # Original checks
     check_routine_reminders()
     check_refills()