diff --git a/app.py b/app.py
index cfc5dba..4ca02b1 100644
--- a/app.py
+++ b/app.py
@@ -1,21 +1,26 @@
+import asyncio
 import json
 import os
+from contextlib import suppress
 from typing import List
 
-from fastapi import Depends, FastAPI, HTTPException, Request
+from fastapi import BackgroundTasks, Depends, FastAPI, HTTPException, Request
 from fastapi.responses import HTMLResponse, RedirectResponse
 from fastapi.staticfiles import StaticFiles
 from fastapi.templating import Jinja2Templates
 from sqlalchemy.orm import Session
 
 from ai import analyze_thread
+from alerts import process_alerts
 from database import (
     Message,
     SessionLocal,
     Thread,
     create_db_tables,
     get_thread_messages,
+    ingest_emails,
 )
+from zoho_client import ZohoClient
 
 
 def get_db():
@@ -48,6 +53,7 @@ def home(request: Request, db: Session = Depends(get_db), account: str | None =
             "request": request,
             "threads": threads,
             "account": account or "",
+            "status": _status_for_templates(),
         },
     )
 
@@ -72,6 +78,17 @@ def show_thread(thread_id: int, request: Request, db: Session = Depends(get_db))
         for m in messages
     ]
     ai = analyze_thread(thread.subject or "", msg_dicts)
+    # Save AI info on the thread for listing and downstream alerts
+    try:
+        from datetime import datetime, timezone
+
+        thread.actionable = bool(ai.get("actionable", False))
+        thread.ai_summary = ai.get("summary")
+        thread.ai_confidence = ai.get("confidence")
+        thread.last_analyzed_at = datetime.now(timezone.utc)
+        db.commit()
+    except Exception:
+        pass
     return templates.TemplateResponse(
         "thread_detail.html",
         {
@@ -79,6 +96,7 @@ def show_thread(thread_id: int, request: Request, db: Session = Depends(get_db))
             "thread": thread,
             "messages": messages,
             "ai": ai,
+            "status": _status_for_templates(),
         },
     )
 
@@ -108,8 +126,15 @@ def load_config() -> dict:
             "agency_domains": [],
             "zoho_email": "",
             "zoho_app_password": "",
+            "whatsapp_to": "",
             "auto_process": False,
             "auto_process_interval": 30,
+            # Sync status
+            "sync_in_progress": False,
+            "last_sync_at": None,
+            "last_sync_count": 0,
+            "last_sync_status": "idle",
+            "last_sync_error": None,
         }
     with open(CONFIG_PATH, "r", encoding="utf-8") as f:
         return json.load(f)
@@ -120,6 +145,19 @@ def save_config(cfg: dict) -> None:
         json.dump(cfg, f, indent=2, ensure_ascii=False)
 
 
+def _status_for_templates() -> dict:
+    cfg = load_config()
+    return {
+        "auto_process": bool(cfg.get("auto_process")),
+        "interval": int(cfg.get("auto_process_interval", 30) or 30),
+        "sync_in_progress": bool(cfg.get("sync_in_progress")),
+        "last_sync_at": cfg.get("last_sync_at"),
+        "last_sync_status": cfg.get("last_sync_status", "idle"),
+        "last_sync_count": int(cfg.get("last_sync_count") or 0),
+        "last_sync_error": cfg.get("last_sync_error"),
+    }
+
+
 @app.get("/config", response_class=HTMLResponse)
 def config_form(request: Request, saved: int | None = None):
     cfg = load_config()
@@ -133,6 +171,7 @@ def config_form(request: Request, saved: int | None = None):
             "cfg": cfg,
             "rows": list(range(min_rows)),
             "saved": bool(saved),
+            "status": _status_for_templates(),
         },
     )
 
@@ -170,6 +209,8 @@ async def config_save(request: Request):
     cfg["zoho_app_password"] = (
         form.get("zoho_app_password") or cfg.get("zoho_app_password", "")
     ).strip()
+    # WhatsApp destination
+    cfg["whatsapp_to"] = (form.get("whatsapp_to") or cfg.get("whatsapp_to", "")).strip()
 
     # Time frames: collect indexed rows
     frames: list[dict] = []
@@ -202,3 +243,169 @@ async def config_save(request: Request):
 
     save_config(cfg)
     return RedirectResponse(url="/config?saved=1", status_code=303)
+
+
+@app.post("/process")
+def process(db: Session = Depends(get_db)):
+    cfg = load_config()
+    alerted = process_alerts(db, cfg)
+    return {"alerted_threads": alerted}
+
+
+def _sync_emails_once(cfg: dict) -> int:
+    """Fetch INBOX and Sent from Zoho and ingest into DB. Returns threads requiring reply count."""
+    from datetime import datetime, timezone
+
+    # Mark status
+    cfg["sync_in_progress"] = True
+    cfg["last_sync_status"] = "running"
+    cfg["last_sync_error"] = None
+    save_config(cfg)
+
+    account_email = cfg.get("email_address") or cfg.get("zoho_email") or ""
+    if not account_email:
+        cfg.update(
+            {
+                "last_sync_status": "error",
+                "last_sync_error": "Configure email_address or zoho_email in /config",
+                "sync_in_progress": False,
+            }
+        )
+        save_config(cfg)
+        raise HTTPException(
+            status_code=400, detail="Configure email_address or zoho_email in /config"
+        )
+
+    # Incremental lookback by last_sync_at
+    days_back = int(cfg.get("email_days_back", 7) or 7)
+    last_sync_at = cfg.get("last_sync_at")
+    if last_sync_at:
+        try:
+            last_dt = datetime.fromisoformat(last_sync_at)
+            now = datetime.now(timezone.utc)
+            delta_days = int(((now - last_dt).total_seconds() + 86399) // 86400)
+            days_back = max(1, delta_days)
+        except Exception:
+            pass
+    max_results = 100
+    client = ZohoClient(
+        email=cfg.get("zoho_email") or account_email,
+        app_password=cfg.get("zoho_app_password"),
+    )
+    try:
+        inbox = client.fetch_folder_emails(
+            folder="INBOX", max_results=max_results, days_back=days_back
+        )
+        sent = client.fetch_folder_emails(
+            folder="Sent", max_results=max_results, days_back=days_back
+        )
+    finally:
+        client.close()
+
+    db = SessionLocal()
+    try:
+        ingest_emails(
+            db, account_email=account_email, emails=inbox, default_folder="INBOX"
+        )
+        ingest_emails(
+            db, account_email=account_email, emails=sent, default_folder="Sent"
+        )
+        # Update sync completion status and metrics
+        cfg.update(
+            {
+                "last_sync_at": datetime.now(timezone.utc).isoformat(),
+                "last_sync_status": "ok",
+                "last_sync_error": None,
+                "last_sync_count": int(
+                    (len(inbox) if inbox else 0) + (len(sent) if sent else 0)
+                ),
+                "sync_in_progress": False,
+            }
+        )
+        save_config(cfg)
+        return count
+    except Exception as e:
+        # Update error status
+        cfg.update(
+            {
+                "last_sync_status": "error",
+                "last_sync_error": str(e),
+                "sync_in_progress": False,
+            }
+        )
+        save_config(cfg)
+        raise
+    finally:
+        db.close()
+
+
+@app.post("/sync_emails")
+def sync_emails(background_tasks: BackgroundTasks):
+    cfg = load_config()
+    if cfg.get("sync_in_progress"):
+        return RedirectResponse(url="/?sync=busy", status_code=303)
+
+    def _background_sync():
+        try:
+            _sync_emails_once(load_config())
+        except Exception:
+            # Error handling is done inside _sync_emails_once
+            pass
+
+    # Mark as starting and add background task
+    cfg["sync_in_progress"] = True
+    cfg["last_sync_status"] = "running"
+    cfg["last_sync_error"] = None
+    save_config(cfg)
+
+    background_tasks.add_task(_background_sync)
+    return RedirectResponse(url="/?sync=started", status_code=303)
+
+
+# ---------------------
+# Auto-processing loop
+# ---------------------
+_auto_task = None
+_stop_event = asyncio.Event()
+
+
+async def _auto_runner():
+    # Delay a bit on startup
+    await asyncio.sleep(2)
+    while not _stop_event.is_set():
+        cfg = load_config()
+        interval_min = int(cfg.get("auto_process_interval", 30) or 30)
+        if cfg.get("auto_process"):
+            # Sync emails then run alerts
+            try:
+                if not cfg.get("sync_in_progress"):
+                    _sync_emails_once(cfg)
+            except Exception:
+                # keep loop alive
+                pass
+            db = SessionLocal()
+            try:
+                process_alerts(db, cfg)
+            finally:
+                db.close()
+        try:
+            await asyncio.wait_for(
+                _stop_event.wait(), timeout=max(5, interval_min * 60)
+            )
+        except asyncio.TimeoutError:
+            continue
+
+
+@app.on_event("startup")
+async def on_startup():
+    global _auto_task
+    _stop_event.clear()
+    _auto_task = asyncio.create_task(_auto_runner())
+
+
+@app.on_event("shutdown")
+async def on_shutdown():
+    if _auto_task:
+        _stop_event.set()
+        with suppress(Exception):
+            await _auto_task
diff --git a/main.py b/main.py
deleted file mode 100644
index e08db99..0000000
--- a/main.py
+++ /dev/null
@@ -1,140 +0,0 @@
-from typing import List, Optional
-
-from database import (
-    Message,
-    SessionLocal,
-    Thread,
-    create_db_tables,
-    get_thread_messages,
-    get_threads_requiring_reply,
-    ingest_emails,
-)
-from zoho_client import ZohoClient
-
-
-def ingest_action(
-    account_email: str, days_back: int = 7, max_results: int = 50
-) -> None:
-    create_db_tables()
-    client = ZohoClient(email=account_email)
-    inbox = client.fetch_folder_emails(
-        folder="INBOX", max_results=max_results, days_back=days_back
-    )
-    sent = client.fetch_folder_emails(
-        folder="Sent", max_results=max_results, days_back=days_back
-    )
-    client.close()
-
-    db = SessionLocal()
-    try:
-        ingest_emails(
-            db, account_email=account_email, emails=inbox, default_folder="INBOX"
-        )
-        ingest_emails(
-            db, account_email=account_email, emails=sent, default_folder="Sent"
-        )
-        threads: List[Thread] = get_threads_requiring_reply(db, account_email)
-        print(f"Threads requiring reply for {account_email}: {len(threads)}")
-        for t in threads:
-            print(
-                f"- Thread #{t.id} | Subject: {t.subject!r} | requires_reply={t.requires_reply}"
-            )
-    finally:
-        db.close()
-
-
-def list_threads_action(
-    account_email: Optional[str] = None, limit: int = 20, only_requiring: bool = False
-) -> None:
-    create_db_tables()
-    db = SessionLocal()
-    try:
-        q = db.query(Thread).order_by(Thread.updated_at.desc())
-        if account_email:
-            q = q.filter(Thread.account_email == account_email.lower())
-        if only_requiring:
-            q = q.filter(Thread.requires_reply.is_(True))
-        threads = q.limit(limit).all()
-        print(
-            f"Showing {len(threads)} threads"
-            + (f" for {account_email}" if account_email else "")
-        )
-        for t in threads:
-            count = db.query(Message).filter(Message.thread_id == t.id).count()
-            print(
-                f"- id={t.id} msgs={count} requires_reply={t.requires_reply} subject={t.subject!r}"
-            )
-    finally:
-        db.close()
-
-
-def show_thread_action(thread_id: int) -> None:
-    create_db_tables()
-    db = SessionLocal()
-    try:
-        thread = db.query(Thread).filter(Thread.id == thread_id).one_or_none()
-        if not thread:
-            print(f"Thread {thread_id} not found")
-            return
-
-        print(
-            f"Thread #{thread.id} subject={thread.subject!r} account={thread.account_email} requires_reply={thread.requires_reply}"
-        )
-        messages: List[Message] = get_thread_messages(db, thread.id)
-        for i, m in enumerate(messages, 1):
-            direction = "IN" if m.is_incoming else "OUT"
-            snippet = (m.body or "").strip().replace("\n", " ")
-            if len(snippet) > 140:
-                snippet = snippet[:140] + "..."
-            print(
-                f"[{i}] {m.date_sent} [{direction}] {m.folder} | from={m.from_email} -> to={m.to_email}\n"
-                f"     subject={m.subject!r}\n"
-                f"     message_id={m.message_id} in_reply_to={m.in_reply_to}\n"
-                f"     body={snippet}"
-            )
-    finally:
-        db.close()
-
-
-if __name__ == "__main__":
-    import argparse
-    import os
-
-    parser = argparse.ArgumentParser(description="Email alerts utility")
-    sub = parser.add_subparsers(dest="cmd", required=False)
-
-    p_ingest = sub.add_parser("ingest", help="Fetch INBOX and Sent and ingest into DB")
-    p_ingest.add_argument(
-        "--account", dest="account", default=os.getenv("ZOHO_EMAIL", "")
-    )
-    p_ingest.add_argument("--days-back", dest="days_back", type=int, default=7)
-    p_ingest.add_argument("--max-results", dest="max_results", type=int, default=50)
-
-    p_list = sub.add_parser("list-threads", help="List threads")
-    p_list.add_argument("--account", dest="account", default=None)
-    p_list.add_argument("--limit", dest="limit", type=int, default=20)
-    p_list.add_argument("--only-requiring", dest="only_req", action="store_true")
-
-    p_show = sub.add_parser("show-thread", help="Print all messages in a thread")
-    p_show.add_argument("thread_id", type=int)
-
-    args = parser.parse_args()
-
-    if args.cmd == "ingest":
-        acct = args.account or os.getenv("ZOHO_EMAIL", "")
-        if not acct:
-            raise SystemExit("Provide --account or set ZOHO_EMAIL")
-        ingest_action(acct, days_back=args.days_back, max_results=args.max_results)
-    elif args.cmd == "list-threads":
-        list_threads_action(
-            account_email=args.account, limit=args.limit, only_requiring=args.only_req
-        )
-    elif args.cmd == "show-thread":
-        show_thread_action(args.thread_id)
-    else:
-        # Default behavior: run ingest using env and then list requiring-reply threads
-        acct = os.getenv("ZOHO_EMAIL", "")
-        if not acct:
-            parser.print_help()
-            raise SystemExit(0)
-        ingest_action(acct)
diff --git a/src/__init__.py b/src/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/ai.py b/src/ai.py
similarity index 100%
rename from ai.py
rename to src/ai.py
diff --git a/src/alerts.py b/src/alerts.py
new file mode 100644
index 0000000..c0bcbd9
--- /dev/null
+++ b/src/alerts.py
@@ -0,0 +1,166 @@
+from dataclasses import dataclass
+from datetime import datetime, timezone
+from typing import List, Optional
+
+from sqlalchemy.orm import Session
+
+from src.ai import analyze_thread
+from src.database import (
+    Message,
+    Thread,
+    get_last_incoming_outgoing,
+    get_thread_messages,
+)
+from src.whatsapp_sender import WhatsAppSender
+
+
+@dataclass
+class TimeFrame:
+    name: str
+    hours: int
+    alert_level: int
+
+
+def _utc(dt: datetime) -> datetime:
+    if dt.tzinfo is None:
+        return dt.replace(tzinfo=timezone.utc)
+    return dt.astimezone(timezone.utc)
+
+
+def _load_frames_from_config(cfg: dict) -> List[TimeFrame]:
+    frames = []
+    for f in cfg.get("time_frames", []):
+        try:
+            frames.append(
+                TimeFrame(
+                    name=f.get("name", ""),
+                    hours=int(f.get("hours", 0)),
+                    alert_level=int(f.get("alert_level", 0)),
+                )
+            )
+        except Exception:
+            continue
+    # sort ascending by hours
+    frames.sort(key=lambda x: x.hours)
+    return frames
+
+
+def _format_alert(
+    level: int, hours: int, thread: Thread, ai: dict, last_in: Optional[Message]
+) -> str:
+    title = {
+        1: "LEVEL 1 ALERT (24 Hours)",
+        2: "LEVEL 2 ALERT (48 Hours - URGENT)",
+        3: "LEVEL 3 ALERT (72 Hours - CRITICAL)",
+    }.get(level, f"LEVEL {level} ALERT ({hours} Hours)")
+    sender = last_in.from_email if last_in else "unknown"
+    subject = thread.subject or "(no subject)"
+    summary = ai.get("summary") or thread.ai_summary or ""
+    conf_pct = int(round((ai.get("confidence") or thread.ai_confidence or 0) * 100))
+    return (
+        f"🚨 {title} 🚨\n\n"
+        f"Conversation with: {sender}\n"
+        f"Subject: {subject}\n"
+        f"Contextual Summary: {summary}\n\n"
+        f"Thread ID: {thread.id}\n"
+        f"Confidence: {conf_pct}%"
+    )
+
+
+def process_alerts(db: Session, cfg: dict) -> List[int]:
+    """Analyze threads and send WhatsApp alerts when thresholds are met.
+
+    Returns list of thread IDs that had alerts sent this run.
+    """
+    account_email = (cfg.get("email_address") or cfg.get("zoho_email") or "").lower()
+    if not account_email:
+        return []
+
+    frames = _load_frames_from_config(cfg)
+    if not frames:
+        return []
+
+    # Ensure thresholds unique by level
+    level_to_hours = {f.alert_level: f.hours for f in frames}
+
+    # Find candidate threads: requires_reply True and account matches
+    threads: List[Thread] = (
+        db.query(Thread)
+        .filter(Thread.account_email == account_email, Thread.requires_reply.is_(True))
+        .order_by(Thread.updated_at.desc())
+        .limit(200)
+        .all()
+    )
+
+    to_number = cfg.get("whatsapp_to") or None
+    sender = WhatsAppSender(to_number=to_number)
+    alerted = []
+    now = datetime.now(timezone.utc)
+
+    for t in threads:
+        last_in, last_out = get_last_incoming_outgoing(db, t.id)
+        if not last_in:
+            continue
+        last_in_dt = _utc(last_in.date_sent) if last_in.date_sent else None
+        last_out_dt = (
+            _utc(last_out.date_sent) if last_out and last_out.date_sent else None
+        )
+
+        # Only if last message is incoming or last_in is later than last_out
+        if last_out_dt and last_out_dt > last_in_dt:
+            # There's a reply from us after the last incoming; skip
+            continue
+
+        hours_since_last_in = (
+            (now - last_in_dt).total_seconds() / 3600.0 if last_in_dt else 0
+        )
+
+        # Determine highest frame crossed
+        target_level = 0
+        target_hours = 0
+        for level, hours in sorted(level_to_hours.items(), key=lambda x: x[1]):
+            if hours_since_last_in >= hours:
+                target_level = level
+                target_hours = hours
+
+        if target_level == 0:
+            continue
+
+        # Avoid re-sending same or lower level
+        if (t.last_alert_level_sent or 0) >= target_level:
+            continue
+
+        # Build AI input messages
+        msgs = [
+            {
+                "date_sent": m.date_sent.isoformat() if m.date_sent else None,
+                "subject": m.subject,
+                "from_email": m.from_email,
+                "to_email": m.to_email,
+                "body": m.body,
+                "is_incoming": m.is_incoming,
+            }
+            for m in get_thread_messages(db, t.id)[-4:]
+        ]
+        ai = analyze_thread(t.subject or "", msgs)
+
+        # Persist AI decision on thread
+        t.actionable = bool(ai.get("actionable", False))
+        t.ai_summary = ai.get("summary")
+        t.ai_confidence = ai.get("confidence")
+        t.last_analyzed_at = now
+
+        if not t.actionable:
+            # Don't alert on non-actionable
+            continue
+
+        # Compose and send WhatsApp
+        msg = _format_alert(target_level, target_hours, t, ai, last_in)
+        res = sender.send_alert(msg, thread_id=str(t.id))
+        if res.get("status") == "success":
+            t.last_alert_level_sent = target_level
+            t.last_alert_sent_at = now
+            alerted.append(t.id)
+
+    db.commit()
+    return alerted
diff --git a/src/app.py b/src/app.py
new file mode 100644
index 0000000..7db9685
--- /dev/null
+++ b/src/app.py
@@ -0,0 +1,390 @@
+import asyncio
+import json
+import os
+from contextlib import suppress
+from typing import List
+
+from fastapi import Depends, FastAPI, HTTPException, Request
+from fastapi.responses import HTMLResponse, RedirectResponse
+from fastapi.staticfiles import StaticFiles
+from fastapi.templating import Jinja2Templates
+from sqlalchemy.orm import Session
+
+from src.ai import analyze_thread
+from src.alerts import process_alerts
+from src.database import (
+    Message,
+    SessionLocal,
+    Thread,
+    create_db_tables,
+    get_thread_messages,
+    ingest_emails,
+)
+from src.zoho_client import ZohoClient
+
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+
+create_db_tables()
+app = FastAPI(title="Email Alerts UI")
+
+# Static and templates
+os.makedirs("templates", exist_ok=True)
+os.makedirs("static", exist_ok=True)
+templates = Jinja2Templates(directory="templates")
+app.mount("/static", StaticFiles(directory="static"), name="static")
+
+
+@app.get("/", response_class=HTMLResponse)
+def home(request: Request, db: Session = Depends(get_db), account: str | None = None):
+    q = db.query(Thread).order_by(Thread.updated_at.desc())
+    if account:
+        q = q.filter(Thread.account_email == account.lower())
+    threads = q.limit(100).all()
+    return templates.TemplateResponse(
+        "threads.html",
+        {
+            "request": request,
+            "threads": threads,
+            "account": account or "",
+            "status": _status_for_templates(),
+        },
+    )
+
+
+@app.get("/thread/{thread_id}", response_class=HTMLResponse)
+def show_thread(thread_id: int, request: Request, db: Session = Depends(get_db)):
+    thread = db.query(Thread).filter(Thread.id == thread_id).one_or_none()
+    if not thread:
+        raise HTTPException(status_code=404, detail="Thread not found")
+    messages: List[Message] = get_thread_messages(db, thread_id)
+    # Convert for AI analyzer and template
+    msg_dicts = [
+        {
+            "id": m.id,
+            "date_sent": m.date_sent,
+            "subject": m.subject,
+            "from_email": m.from_email,
+            "to_email": m.to_email,
+            "body": m.body,
+            "is_incoming": m.is_incoming,
+        }
+        for m in messages
+    ]
+    ai = analyze_thread(thread.subject or "", msg_dicts)
+    # Save AI info on the thread for listing and downstream alerts
+    try:
+        from datetime import datetime, timezone
+
+        thread.actionable = bool(ai.get("actionable", False))
+        thread.ai_summary = ai.get("summary")
+        thread.ai_confidence = ai.get("confidence")
+        thread.last_analyzed_at = datetime.now(timezone.utc)
+        db.commit()
+    except Exception:
+        pass
+    return templates.TemplateResponse(
+        "thread_detail.html",
+        {
+            "request": request,
+            "thread": thread,
+            "messages": messages,
+            "ai": ai,
+            "status": _status_for_templates(),
+        },
+    )
+
+
+@app.get("/health")
+def health():
+    return {"status": "ok"}
+
+
+# ---------------------
+# Config editor routes
+# ---------------------
+
+CONFIG_PATH = os.path.join(os.path.dirname(__file__), "..", "config.json")
+
+
+def load_config() -> dict:
+    if not os.path.exists(CONFIG_PATH):
+        return {
+            "email_address": "",
+            "time_frames": [
+                {"name": "1-24 hours", "hours": 24, "alert_level": 1},
+                {"name": "24-48 hours", "hours": 48, "alert_level": 2},
+                {"name": "48+ hours", "hours": 72, "alert_level": 3},
+            ],
+            "email_days_back": 7,
+            "agency_domains": [],
+            "zoho_email": "",
+            "zoho_app_password": "",
+            "whatsapp_to": "",
+            "auto_process": False,
+            "auto_process_interval": 30,
+            # Sync status
+            "sync_in_progress": False,
+            "last_sync_at": None,
+            "last_sync_count": 0,
+            "last_sync_status": "idle",
+            "last_sync_error": None,
+        }
+    with open(CONFIG_PATH, "r", encoding="utf-8") as f:
+        return json.load(f)
+
+
+def save_config(cfg: dict) -> None:
+    with open(CONFIG_PATH, "w", encoding="utf-8") as f:
+        json.dump(cfg, f, indent=2, ensure_ascii=False)
+
+
+def _status_for_templates() -> dict:
+    cfg = load_config()
+    return {
+        "auto_process": bool(cfg.get("auto_process")),
+        "interval": int(cfg.get("auto_process_interval", 30) or 30),
+        "sync_in_progress": bool(cfg.get("sync_in_progress")),
+        "last_sync_at": cfg.get("last_sync_at"),
+        "last_sync_status": cfg.get("last_sync_status", "idle"),
+        "last_sync_count": int(cfg.get("last_sync_count") or 0),
+        "last_sync_error": cfg.get("last_sync_error"),
+    }
+
+
+@app.get("/config", response_class=HTMLResponse)
+def config_form(request: Request, saved: int | None = None):
+    cfg = load_config()
+    # Render up to existing frames or at least 3 rows
+    frames = cfg.get("time_frames") or []
+    min_rows = max(len(frames), 3)
+    return templates.TemplateResponse(
+        "config.html",
+        {
+            "request": request,
+            "cfg": cfg,
+            "rows": list(range(min_rows)),
+            "saved": bool(saved),
+            "status": _status_for_templates(),
+        },
+    )
+
+
+@app.post("/config")
+async def config_save(request: Request):
+    form = await request.form()
+    cfg = load_config()
+
+    # Basic fields
+    cfg["email_address"] = (form.get("email_address") or "").strip()
+    # email_days_back
+    try:
+        cfg["email_days_back"] = int(
+            form.get("email_days_back") or cfg.get("email_days_back", 7)
+        )
+    except Exception:
+        cfg["email_days_back"] = 7
+    # agency domains (comma or newline separated)
+    domains_raw = (form.get("agency_domains") or "").replace("\r", "")
+    parts = [p.strip() for p in domains_raw.replace(",", "\n").split("\n") if p.strip()]
+    cfg["agency_domains"] = parts
+    # auto_process
+    cfg["auto_process"] = form.get("auto_process") == "on"
+    # auto_process_interval
+    try:
+        cfg["auto_process_interval"] = int(
+            form.get("auto_process_interval") or cfg.get("auto_process_interval", 30)
+        )
+    except Exception:
+        cfg["auto_process_interval"] = 30
+
+    # Zoho (optional - note: current client reads env vars)
+    cfg["zoho_email"] = (form.get("zoho_email") or cfg.get("zoho_email", "")).strip()
+    cfg["zoho_app_password"] = (
+        form.get("zoho_app_password") or cfg.get("zoho_app_password", "")
+    ).strip()
+    # WhatsApp destination
+    cfg["whatsapp_to"] = (form.get("whatsapp_to") or cfg.get("whatsapp_to", "")).strip()
+
+    # Time frames: collect indexed rows
+    frames: list[dict] = []
+    # find indices present
+    indices = set()
+    for k in form.keys():
+        if k.startswith("time_name_"):
+            try:
+                indices.add(int(k.split("_")[-1]))
+            except Exception:
+                pass
+    for i in sorted(indices):
+        name = (form.get(f"time_name_{i}") or "").strip()
+        hrs_raw = form.get(f"time_hours_{i}") or ""
+        lvl_raw = form.get(f"time_alert_{i}") or ""
+        if not name and not hrs_raw and not lvl_raw:
+            continue
+        try:
+            hours = int(hrs_raw)
+        except Exception:
+            hours = 0
+        try:
+            level = int(lvl_raw)
+        except Exception:
+            level = 0
+        if name:
+            frames.append({"name": name, "hours": hours, "alert_level": level})
+    if frames:
+        cfg["time_frames"] = frames
+
+    save_config(cfg)
+    return RedirectResponse(url="/config?saved=1", status_code=303)
+
+
+@app.post("/process")
+def process(db: Session = Depends(get_db)):
+    cfg = load_config()
+    alerted = process_alerts(db, cfg)
+    return {"alerted_threads": alerted}
+
+
+def _sync_emails_once(cfg: dict) -> int:
+    """Fetch INBOX and Sent from Zoho and ingest into DB. Returns threads requiring reply count."""
+    from datetime import datetime, timezone
+
+    # Mark status
+    cfg["sync_in_progress"] = True
+    cfg["last_sync_status"] = "running"
+    cfg["last_sync_error"] = None
+    save_config(cfg)
+
+    account_email = cfg.get("email_address") or cfg.get("zoho_email") or ""
+    if not account_email:
+        cfg.update(
+            {
+                "last_sync_status": "error",
+                "last_sync_error": "Configure email_address or zoho_email in /config",
+                "sync_in_progress": False,
+            }
+        )
+        save_config(cfg)
+        raise HTTPException(
+            status_code=400, detail="Configure email_address or zoho_email in /config"
+        )
+
+    # Incremental lookback by last_sync_at
+    days_back = int(cfg.get("email_days_back", 7) or 7)
+    last_sync_at = cfg.get("last_sync_at")
+    if last_sync_at:
+        try:
+            last_dt = datetime.fromisoformat(last_sync_at)
+            now = datetime.now(timezone.utc)
+            delta_days = int(((now - last_dt).total_seconds() + 86399) // 86400)
+            days_back = max(1, delta_days)
+        except Exception:
+            pass
+    max_results = 100
+    client = ZohoClient(
+        email=cfg.get("zoho_email") or account_email,
+        app_password=cfg.get("zoho_app_password"),
+    )
+    try:
+        inbox = client.fetch_folder_emails(
+            folder="INBOX", max_results=max_results, days_back=days_back
+        )
+        sent = client.fetch_folder_emails(
+            folder="Sent", max_results=max_results, days_back=days_back
+        )
+    finally:
+        client.close()
+
+    db = SessionLocal()
+    try:
+        ingest_emails(
+            db, account_email=account_email, emails=inbox, default_folder="INBOX"
+        )
+        ingest_emails(
+            db, account_email=account_email, emails=sent, default_folder="Sent"
+        )
+        # Return count for UX/debug
+        count = (
+            db.query(Thread)
+            .filter(Thread.account_email == account_email.lower())
+            .count()
+        )
+        return count
+    finally:
+        db.close()
+
+
+@app.post("/sync_emails")
+async def sync_emails():
+    cfg = load_config()
+    if cfg.get("sync_in_progress"):
+        return RedirectResponse(url="/?sync=busy", status_code=303)
+
+    async def _task():
+        try:
+            _sync_emails_once(load_config())
+        except Exception:
+            pass
+
+    cfg["sync_in_progress"] = True
+    cfg["last_sync_status"] = "running"
+    cfg["last_sync_error"] = None
+    save_config(cfg)
+    asyncio.create_task(_task())
+    return RedirectResponse(url="/?sync=started", status_code=303)
+
+
+# ---------------------
+# Auto-processing loop
+# ---------------------
+_auto_task = None
+_stop_event = asyncio.Event()
+
+
+async def _auto_runner():
+    # Delay a bit on startup
+    await asyncio.sleep(2)
+    while not _stop_event.is_set():
+        cfg = load_config()
+        interval_min = int(cfg.get("auto_process_interval", 30) or 30)
+        if cfg.get("auto_process"):
+            # Sync emails then run alerts
+            try:
+                if not cfg.get("sync_in_progress"):
+                    _sync_emails_once(cfg)
+            except Exception:
+                # keep loop alive
+                pass
+            db = SessionLocal()
+            try:
+                process_alerts(db, cfg)
+            finally:
+                db.close()
+        try:
+            await asyncio.wait_for(
+                _stop_event.wait(), timeout=max(5, interval_min * 60)
+            )
+        except asyncio.TimeoutError:
+            continue
+
+
+@app.on_event("startup")
+async def on_startup():
+    global _auto_task
+    _stop_event.clear()
+    _auto_task = asyncio.create_task(_auto_runner())
+
+
+@app.on_event("shutdown")
+async def on_shutdown():
+    if _auto_task:
+        _stop_event.set()
+        with suppress(Exception):
+            await _auto_task
diff --git a/database.py b/src/database.py
similarity index 78%
rename from database.py
rename to src/database.py
index 536b1c3..8060aba 100644
--- a/database.py
+++ b/src/database.py
@@ -6,6 +6,7 @@ from sqlalchemy import (
     Boolean,
     Column,
     DateTime,
+    Float,
     ForeignKey,
     Index,
     Integer,
@@ -41,6 +42,47 @@ Base = declarative_base()
 
 def create_db_tables():
     Base.metadata.create_all(bind=engine)
+    _migrate_add_missing_columns()
+
+
+def _column_exists(table: str, column: str) -> bool:
+    try:
+        with engine.connect() as conn:
+            rows = conn.exec_driver_sql(f"PRAGMA table_info('{table}')").fetchall()
+            cols = {row[1] for row in rows}
+            return column in cols
+    except Exception:
+        return False
+
+
+def _migrate_add_missing_columns() -> None:
+    """Best-effort SQLite migrations for newly added columns."""
+    try:
+        with engine.begin() as conn:
+            if not _column_exists("threads", "actionable"):
+                conn.exec_driver_sql(
+                    "ALTER TABLE threads ADD COLUMN actionable BOOLEAN NOT NULL DEFAULT 0"
+                )
+            if not _column_exists("threads", "ai_summary"):
+                conn.exec_driver_sql("ALTER TABLE threads ADD COLUMN ai_summary TEXT")
+            if not _column_exists("threads", "ai_confidence"):
+                conn.exec_driver_sql(
+                    "ALTER TABLE threads ADD COLUMN ai_confidence FLOAT"
+                )
+            if not _column_exists("threads", "last_analyzed_at"):
+                conn.exec_driver_sql(
+                    "ALTER TABLE threads ADD COLUMN last_analyzed_at DATETIME"
+                )
+            if not _column_exists("threads", "last_alert_level_sent"):
+                conn.exec_driver_sql(
+                    "ALTER TABLE threads ADD COLUMN last_alert_level_sent INTEGER NOT NULL DEFAULT 0"
+                )
+            if not _column_exists("threads", "last_alert_sent_at"):
+                conn.exec_driver_sql(
+                    "ALTER TABLE threads ADD COLUMN last_alert_sent_at DATETIME"
+                )
+    except Exception as e:
+        print(f"DB migration warning: {e}")
 
 
 class Thread(Base):
@@ -53,6 +95,13 @@ class Thread(Base):
     thread_key = Column(String, nullable=False)
     subject = Column(String, index=True)
     requires_reply = Column(Boolean, nullable=False, default=False)
+    # AI/alert fields
+    actionable = Column(Boolean, nullable=False, default=False)
+    ai_summary = Column(Text)
+    ai_confidence = Column(Float)
+    last_analyzed_at = Column(DateTime)
+    last_alert_level_sent = Column(Integer, nullable=False, default=0)
+    last_alert_sent_at = Column(DateTime)
     created_at = Column(DateTime, nullable=False, server_default=func.now())
     updated_at = Column(
         DateTime, nullable=False, server_default=func.now(), onupdate=func.now()
@@ -269,6 +318,25 @@ def get_threads_requiring_reply(db: Session, account_email: str) -> List[Thread]
     )
 
 
+def get_last_incoming_outgoing(
+    db: Session, thread_id: int
+) -> Tuple[Optional["Message"], Optional["Message"]]:
+    """Return the last incoming and outgoing messages for a thread."""
+    last_incoming = (
+        db.query(Message)
+        .filter(Message.thread_id == thread_id, Message.is_incoming.is_(True))
+        .order_by(Message.date_sent.desc(), Message.id.desc())
+        .first()
+    )
+    last_outgoing = (
+        db.query(Message)
+        .filter(Message.thread_id == thread_id, Message.is_incoming.is_(False))
+        .order_by(Message.date_sent.desc(), Message.id.desc())
+        .first()
+    )
+    return last_incoming, last_outgoing
+
+
 def ingest_emails(
     db: Session,
     account_email: str,
diff --git a/whatsapp_sender.py b/src/whatsapp_sender.py
similarity index 89%
rename from whatsapp_sender.py
rename to src/whatsapp_sender.py
index 19a0e2c..bd52c43 100644
--- a/whatsapp_sender.py
+++ b/src/whatsapp_sender.py
@@ -9,13 +9,14 @@ load_dotenv()
 
 
 class WhatsAppSender:
-    def __init__(self):
+    def __init__(self, to_number: str | None = None):
         self.account_sid = os.getenv("TWILIO_ACCOUNT_SID")
         self.auth_token = os.getenv("TWILIO_AUTH_TOKEN")
         self.from_number = os.getenv("TWILIO_WHATSAPP_NUMBER")
-        self.to_number = os.getenv("WHATSAPP_TO_NUMBER")  # Individual phone number
+        env_to = os.getenv("WHATSAPP_TO_NUMBER")
+        self.to_number = to_number or env_to  # Individual phone number
 
-        if self.account_sid and self.auth_token:
+        if self.account_sid and self.auth_token and self.from_number and self.to_number:
             try:
                 self.client = Client(self.account_sid, self.auth_token)
                 self.use_mock = False
@@ -24,11 +25,9 @@ class WhatsAppSender:
                 self.use_mock = True
         else:
             self.use_mock = True
-            print("Note: Using mock WhatsApp sender (add Twilio credentials to .env)")
-
-        # Use real WhatsApp mode
-        self.use_mock = False
-        print("📱 Using WhatsApp mode")
+            print(
+                "Note: Using mock WhatsApp sender (set TWILIO_* and WHATSAPP_TO_NUMBER or pass to_number)"
+            )
 
     def send_alert(self, alert_message: str, thread_id: str = None) -> Dict[str, Any]:
         """Send alert message to WhatsApp"""
diff --git a/zoho_client.py b/src/zoho_client.py
similarity index 100%
rename from zoho_client.py
rename to src/zoho_client.py
diff --git a/templates/base.html b/templates/base.html
index 9c9c2ef..9b7742a 100644
--- a/templates/base.html
+++ b/templates/base.html
@@ -13,6 +13,9 @@
       <nav>
         <a href="/">Threads</a>
   <a href="/config">Config</a>
+        <form action="/sync_emails" method="post" style="display:inline-block; margin-left:12px;">
+          <button type="submit">Process Emails</button>
+        </form>
       </nav>
     </div>
   </header>
diff --git a/templates/config.html b/templates/config.html
index 61581a3..0019d62 100644
--- a/templates/config.html
+++ b/templates/config.html
@@ -47,6 +47,15 @@
       </div>
     </div>
 
+    <h3 class="mt-2">WhatsApp</h3>
+    <div class="row">
+      <div class="col">
+        <label>Send To (WhatsApp E.164, no spaces)<br>
+          <input type="text" name="whatsapp_to" placeholder="+15551234567" value="{{ cfg.whatsapp_to or '' }}" />
+        </label>
+      </div>
+    </div>
+
     <h3 class="mt-2">Processing</h3>
     <div class="row">
       <div class="col">
diff --git a/templates/thread_detail.html b/templates/thread_detail.html
index 8432947..0240a30 100644
--- a/templates/thread_detail.html
+++ b/templates/thread_detail.html
@@ -23,8 +23,10 @@
           <strong>Actionable:</strong>
           {% if ai.actionable %}<span class="badge warn">Yes</span>{% else %}<span class="badge success">No</span>{% endif %}
         </p>
-        <p><strong>Summary:</strong> {{ ai.summary }}</p>
+  <p><strong>Summary:</strong> {{ ai.summary or thread.ai_summary }}</p>
         <p class="muted">Confidence: {{ ai.confidence }} • Model: {{ ai.model }}</p>
+  <p class="muted">Last stored: {{ thread.last_analyzed_at }}</p>
+  <p class="muted">Last alert level sent: {{ thread.last_alert_level_sent }} at {{ thread.last_alert_sent_at }}</p>
       </div>
     </div>
   </div>
diff --git a/templates/threads.html b/templates/threads.html
index 2a7c5b0..a5f7756 100644
--- a/templates/threads.html
+++ b/templates/threads.html
@@ -4,6 +4,29 @@
     <div class="col">
       <h2>Threads{% if account %} for {{ account }}{% endif %}</h2>
       <p class="muted">Latest updated threads. Click an ID to view details and AI analysis.</p>
+      {% if status %}
+        <div class="muted" style="margin-top:6px;">
+          {% if status.sync_in_progress %}
+            <span class="badge brand">Syncing…</span>
+          {% else %}
+            {% if status.last_sync_status == 'ok' %}
+              <span class="badge success">Last sync OK</span>
+            {% elif status.last_sync_status == 'error' %}
+              <span class="badge warn">Last sync error</span>
+            {% else %}
+              <span class="badge">Idle</span>
+            {% endif %}
+          {% endif %}
+          <span style="margin-left:8px;">Last Sync: {{ status.last_sync_at or 'never' }}</span>
+          <span style="margin-left:8px;">Items: {{ status.last_sync_count }}</span>
+          {% if status.last_sync_error %}
+            <div class="muted">Error: {{ status.last_sync_error }}</div>
+          {% endif %}
+          {% if status.auto_process %}
+            <div class="muted">Auto process enabled (every {{ status.interval }}m)</div>
+          {% endif %}
+        </div>
+      {% endif %}
     </div>
   </div>
 
@@ -13,6 +36,7 @@
         <tr>
           <th>ID</th>
           <th>Subject</th>
+          <th>AI Summary</th>
           <th>Account</th>
           <th>Msgs</th>
           <th>Requires Reply</th>
@@ -24,6 +48,7 @@
           <tr>
             <td><a href="/thread/{{ t.id }}">{{ t.id }}</a></td>
             <td>{{ t.subject }}</td>
+            <td class="muted">{{ t.ai_summary or '' }}</td>
             <td><span class="badge">{{ t.account_email }}</span></td>
             <td><span class="badge brand">{{ t.messages|length }}</span></td>
             <td>