fix no activity data not recorder, so 0 data is still recorded on db

DEPLOY.md

@@ -4,10 +4,11 @@ Production deployment for **RK3588** (or compatible RKNN NPU) edge devices runni
 
 | Component | Script | systemd unit |
 |-----------|--------|--------------|
+| Status webhook (IN/OUT/OFF gate) | `status_webhook.py` | `zenai-kpc-status-webhook.service` |
 | RTSP counter (RKNN + ByteTrack) | `counter_live_rknn.py` | `zenai-kpc-counter.service` |
 | Web dashboard (Flask) | `counter_dashboard.py` | `zenai-kpc-dashboard.service` |
 
-Both processes share a single `.env` file and read/write the same SQLite database and state JSON.
+All three processes share a single `.env` file. The counter and dashboard read/write the same SQLite database and state JSON. The webhook writes `status_webhook_state.json`, which the counter polls when `STATUS_WEBHOOK_ENABLED=true`.
 
 ---
 
@@ -23,10 +24,10 @@ Both processes share a single `.env` file and read/write the same SQLite databas
 
 ```bash
 sudo apt update
-sudo apt install -y python3 python3-venv python3-pip ffmpeg libgl1
+sudo apt install -y python3 python3-venv python3-pip ffmpeg libgl1 openssl
 ```
 
-`ffmpeg` is required for low-latency RTSP capture via OpenCV. `libgl1` is often needed for `opencv-python` on headless systems.
+`ffmpeg` is required for low-latency RTSP capture via OpenCV and for session MP4 recording (`RECORD_VIDEO=true`). `libgl1` is often needed for `opencv-python` on headless systems.
 
 ### RKNN model
 
@@ -49,6 +50,7 @@ Default paths used by the service files and `env.example`:
 ├── counter_live_rknn.py
 ├── counter_dashboard.py
 ├── counter_store.py
+├── status_webhook.py
 ├── templates/
 ├── venv/                       # Python virtual environment (created during install)
 ├── .env                        # runtime config (not in git)
@@ -123,21 +125,23 @@ sudo mkdir -p /opt/zenai-kpc-counter /opt/models /dev/shm/zenai-kpc-counter
 
 ```bash
 cd /opt/zenai-kpc-python
-sudo cp zenai-kpc-counter.service zenai-kpc-dashboard.service /etc/systemd/system/
+sudo cp zenai-kpc-status-webhook.service zenai-kpc-counter.service zenai-kpc-dashboard.service /etc/systemd/system/
 sudo systemctl daemon-reload
-sudo systemctl enable zenai-kpc-counter zenai-kpc-dashboard
+sudo systemctl enable zenai-kpc-status-webhook zenai-kpc-counter zenai-kpc-dashboard
+sudo systemctl start zenai-kpc-status-webhook
 sudo systemctl start zenai-kpc-counter
 sudo systemctl start zenai-kpc-dashboard
 ```
 
-The dashboard unit starts **after** the counter unit (`After=zenai-kpc-counter.service`).
+The dashboard unit starts **after** the counter unit (`After=zenai-kpc-counter.service`). Enable the webhook so it comes up on boot with the other two.
 
 ### Verify
 
 ```bash
+systemctl status zenai-kpc-status-webhook
 systemctl status zenai-kpc-counter
 systemctl status zenai-kpc-dashboard
-journalctl -u zenai-kpc-counter -f
+journalctl -u zenai-kpc-status-webhook -f
 ```
 
 Open the dashboard in a browser:
@@ -148,6 +152,14 @@ http://<device-ip>:5000
 
 (Port is set by `DASHBOARD_PORT` in `.env`, default `5000`.)
 
+Status webhook endpoints (fixed ports):
+
+```text
+http://<device-ip>:8002/?lokasi=IN|OUT&status=ON|OFF
+https://<device-ip>:8443/?lokasi=IN|OUT&status=ON|OFF
+http://<device-ip>:8002/status
+```
+
 ---
 
 ## 5. Operations
@@ -155,6 +167,7 @@ http://<device-ip>:5000
 ### Restart after config change
 
 ```bash
+sudo systemctl restart zenai-kpc-status-webhook
 sudo systemctl restart zenai-kpc-counter
 sudo systemctl restart zenai-kpc-dashboard
 ```
@@ -162,6 +175,7 @@ sudo systemctl restart zenai-kpc-dashboard
 ### View logs
 
 ```bash
+journalctl -u zenai-kpc-status-webhook -n 100 --no-pager
 journalctl -u zenai-kpc-counter -n 100 --no-pager
 journalctl -u zenai-kpc-dashboard -n 100 --no-pager
 ```
@@ -169,7 +183,7 @@ journalctl -u zenai-kpc-dashboard -n 100 --no-pager
 ### Stop services
 
 ```bash
-sudo systemctl stop zenai-kpc-dashboard zenai-kpc-counter
+sudo systemctl stop zenai-kpc-dashboard zenai-kpc-counter zenai-kpc-status-webhook
 ```
 
 The counter handles `SIGTERM` gracefully — it finishes the current frame, persists state to SQLite, then exits.
@@ -178,10 +192,10 @@ The counter handles `SIGTERM` gracefully — it finishes the current frame, pers
 
 ```bash
 cd /opt/zenai-kpc-python
-sudo systemctl stop zenai-kpc-dashboard zenai-kpc-counter
+sudo systemctl stop zenai-kpc-dashboard zenai-kpc-counter zenai-kpc-status-webhook
 # rsync or git pull new code
 sudo ./venv/bin/pip install -r requirements.txt   # if dependencies changed
-sudo systemctl start zenai-kpc-counter zenai-kpc-dashboard
+sudo systemctl start zenai-kpc-status-webhook zenai-kpc-counter zenai-kpc-dashboard
 ```
 
 ---
@@ -191,8 +205,10 @@ sudo systemctl start zenai-kpc-counter zenai-kpc-dashboard
 | Symptom | Things to check |
 |---------|-----------------|
 | Counter won't start | `journalctl -u zenai-kpc-counter`; verify `MODEL_PATH` exists; RKNN drivers installed |
+| Status webhook won't start | `journalctl -u zenai-kpc-status-webhook`; ports 8002/8443 free; `openssl` installed if certs are missing |
 | No RTSP frames | Ping camera; test with `ffplay <SOURCE>`; check `OPENCV_FFMPEG_CAPTURE_OPTIONS` |
 | Dashboard shows 0 count | `STATE_FILE` in `.env` must match between counter and dashboard; check file exists |
+| Counting stays OFF | Check `STATUS_WEBHOOK_ENABLED` and `GET http://<device-ip>:8002/status`; `STATUS_WEBHOOK_FILE` must match the webhook state file |
 | Live video blank | `LIVE_STREAM_ENABLED=true`; path matches `LIVE_STREAM_FRAME_PATH` in both processes; if using nginx, set `proxy_read_timeout` (see §7) |
 | Wrong counts | Tune `LINE_Y1_FRAC`/`LINE_Y2_FRAC`, `CONF`, ByteTrack thresholds; enable `DEBUG_TRACKING=true` temporarily |
 | Service keeps restarting | `journalctl -u zenai-kpc-counter -e`; often missing model, bad RTSP URL, or venv not created |
@@ -202,8 +218,9 @@ sudo systemctl start zenai-kpc-counter zenai-kpc-dashboard
 ```bash
 cd /opt/zenai-kpc-python
 source venv/bin/activate
-python counter_live_rknn.py    # terminal 1
-python counter_dashboard.py    # terminal 2
+python status_webhook.py       # terminal 1
+python counter_live_rknn.py    # terminal 2
+python counter_dashboard.py    # terminal 3
 ```
 
 ---

config.env.example

@@ -186,6 +186,19 @@ CONTROL_SOCKET_HOST=127.0.0.1
 # Control socket TCP port.
 CONTROL_SOCKET_PORT=5090
 
+# --- Status webhook gate (count only when status is NYALA) ---
+# When true, counting runs only while the webhook state file reports NYALA
+# (or STATUS_WEBHOOK_ACTIVE_VALUE). Any other/missing status pauses counting.
+STATUS_WEBHOOK_ENABLED=false
+# JSON file written by the external status webhook.
+# Example active:   {"status": "IN / OUT"}
+# Example inactive: {"status": "OFF"}
+STATUS_WEBHOOK_FILE=/opt/zenai-kpc-python/status_webhook_state
+# Status value that allows counting (case-insensitive match).
+STATUS_WEBHOOK_ACTIVE_VALUE=IN, OUT
+# Expected inactive status from the webhook (shown on overlay when paused).
+STATUS_WEBHOOK_INACTIVE_VALUE=OFF
+
 # Sliding window in seconds for computing the crossing rate (objects/minute)
 RATE_WINDOW_SEC=60
 # Number of frames to discard at startup to let the stream buffer stabilise
@@ -194,13 +207,28 @@ WARMUP_FRAMES=30
 RECONNECT_DELAY_SEC=3
 # Maximum reconnection attempts (0 = infinite)
 MAX_RECONNECT_ATTEMPTS=0
+# Max stream-error log lines per outage (Cannot open / Stream dropped).
+# After this, further errors are silent until the stream recovers; then the
+# budget resets for the next outage. 0 = unlimited.
+STREAM_ERROR_LOG_MAX=3
 # Seconds after which a tracked but unseen object is pruned from the active set
 TRACKED_PRUNE_SEC=300
 
 # --- Video recording ---
-# Save annotated frames to segmented MP4 files (true/false)
-RECORD_VIDEO=false
-# Duration in seconds of each video segment file
+# Session mode (default): ByteTrack-style — encode pending MP4 in SHM_DIR, start on
+# webhook OFF→IN/OUT (or control resume), stop on IN/OUT→OFF, then background-copy to
+# VIDEO_OUTPUT_DIR/<counting_date>/. Point VIDEO_OUTPUT_DIR at NFS for remote store.
+# segment mode: legacy continuous dumps under OUTPUT_DIR every VIDEO_SEGMENT_SEC.
+RECORD_VIDEO=true
+RECORD_MODE=session
+SHM_DIR=/dev/shm/zenai-kpc-counter
+VIDEO_OUTPUT_DIR=/opt/bytetrack-counter
+RECORD_END_DELAY=1
+RECORD_DISCARD_EMPTY=true
+RECORD_RETENTION_DAYS=3
+RECORD_CRF=18
+RECORD_PRESET=slow
+# Legacy segment length (RECORD_MODE=segment only)
 VIDEO_SEGMENT_SEC=3600
 # Output video FPS (fallback if source FPS is unknown or ≤ 1)
 OUTPUT_FPS=15
@@ -209,7 +237,7 @@ OUTPUT_FPS=15
 # Periodically write the latest annotated frame as JPEG for an external web server
 LIVE_STREAM_ENABLED=false
 # Path to the shared-memory snapshot file (served by nginx / lighttpd)
-LIVE_STREAM_FRAME_PATH=/dev/shm/byetrack-counter/live_frame.jpg
+LIVE_STREAM_FRAME_PATH=/dev/shm/zenai-kpc-counter/live_frame.jpg
 # JPEG quality (1–100)
 LIVE_STREAM_QUALITY=75
 # Write the snapshot every N frames (lower = more frequent updates)

counter_dashboard.py

@@ -43,6 +43,8 @@ CONTROL_FILE = os.getenv("CONTROL_FILE", f"{_DEFAULT_DIR}/control.json")
 CONTROL_DEFAULT_COUNTING = os.getenv("CONTROL_DEFAULT_COUNTING", "true").lower() == "true"
 
 SITE_NAME = os.getenv("SITE_NAME", "LIVE")
+CAMERA_NAME = os.getenv("CAMERA_NAME", "CC1")
+OBJECT_LABEL = os.getenv("OBJECT_LABEL", "object")
 
 DASHBOARD_PORT = int(os.getenv("DASHBOARD_PORT", "5000"))
 DASHBOARD_HOST = os.getenv("DASHBOARD_HOST", "0.0.0.0")
@@ -266,46 +268,319 @@ def snapshots_page():
     return render_template("snapshots.html", site_name=SITE_NAME, show_detect=SAVE_DETECT_SNAPSHOT)
 
 
+def _empty_current():
+    return {
+        "counting_date": get_counting_date(),
+        "count": 0,
+        "count_in": 0,
+        "count_out": 0,
+        "start_time": None,
+        "last_detection_time": None,
+    }
+
+
+def _load_current_state():
+    """Load live counter state from current_counter.json."""
+    with open(CURRENT_COUNTER_PATH, "r", encoding="utf-8") as f:
+        data = json.load(f)
+    return {
+        "counting_date": data.get("counting_date") or get_counting_date(),
+        "count": int(data.get("count", 0) or 0),
+        "count_in": int(data.get("count_in", 0) or 0),
+        "count_out": int(data.get("count_out", 0) or 0),
+        "start_time": data.get("start_time"),
+        "last_detection_time": data.get("last_detection_time"),
+    }
+
+
+def _zero_day_row(date_str, camera_name=None, object_label=None):
+    """Stub row for a counting day with no activity."""
+    return {
+        "date": date_str,
+        "camera_name": camera_name or CAMERA_NAME,
+        "object_label": object_label or OBJECT_LABEL,
+        "total_count": 0,
+        "total_in": 0,
+        "total_out": 0,
+        "diff": 0,
+        "start_time": None,
+        "end_time": None,
+        "updated_at": None,
+    }
+
+
+def _fill_date_gaps(rows, date_from=None, date_to=None, descending=True):
+    """Ensure every date in [date_from, date_to] is present; missing days are 0."""
+    by_date = {r["date"]: r for r in rows}
+    if date_to is None:
+        date_to = get_counting_date()
+    if date_from is None:
+        if not by_date:
+            return rows
+        date_from = min(by_date.keys())
+
+    sample = next(iter(by_date.values()), None)
+    cam = sample["camera_name"] if sample else CAMERA_NAME
+    lab = sample["object_label"] if sample else OBJECT_LABEL
+
+    filled = []
+    d = datetime.strptime(date_from, "%Y-%m-%d").date()
+    end = datetime.strptime(date_to, "%Y-%m-%d").date()
+    if d > end:
+        return rows
+
+    while d <= end:
+        key = d.isoformat()
+        if key in by_date:
+            filled.append(by_date[key])
+        else:
+            filled.append(_zero_day_row(key, cam, lab))
+        d += timedelta(days=1)
+
+    if descending:
+        filled.reverse()
+    return filled
+
+
+def _query_history(date_from=None, date_to=None, days=None, limit=None, offset=0):
+    """Query daily_counters with optional date range and pagination.
+
+    Missing dates in the requested range are filled with zero totals so the API
+    always returns a continuous series.
+    """
+    conn = get_db()
+    cur = conn.cursor()
+
+    clauses = []
+    params = []
+
+    if days is not None and date_from is None and date_to is None:
+        date_from = (datetime.now() - timedelta(days=days)).date().isoformat()
+
+    if date_from:
+        clauses.append("counting_date >= ?")
+        params.append(date_from)
+    if date_to:
+        clauses.append("counting_date <= ?")
+        params.append(date_to)
+
+    where = f"WHERE {' AND '.join(clauses)}" if clauses else ""
+
+    sql = f"""
+        SELECT counting_date, camera_name, object_label,
+               total_count, total_in, total_out, start_time, end_time, updated_at
+        FROM daily_counters
+        {where}
+        ORDER BY counting_date ASC
+    """
+    cur.execute(sql, params)
+    rows = [
+        {
+            "date": row["counting_date"],
+            "camera_name": row["camera_name"],
+            "object_label": row["object_label"],
+            "total_count": row["total_count"],
+            "total_in": row["total_in"],
+            "total_out": row["total_out"],
+            "diff": (row["total_in"] or 0) - (row["total_out"] or 0),
+            "start_time": row["start_time"],
+            "end_time": row["end_time"],
+            "updated_at": row["updated_at"],
+        }
+        for row in cur.fetchall()
+    ]
+    conn.close()
+
+    fill_to = date_to or get_counting_date()
+    rows = _fill_date_gaps(rows, date_from=date_from, date_to=fill_to, descending=True)
+    total = len(rows)
+    if limit is not None:
+        rows = rows[offset: offset + limit]
+    return rows, total
+
+
+@app.route("/api/current")
 @app.route("/api/current-counter")
-def api_current_counter():
+def api_current():
+    """Current counting-day totals from live state file."""
     try:
-        with open(CURRENT_COUNTER_PATH, "r") as f:
-            data = json.load(f)
+        state = _load_current_state()
         return jsonify(
             {
                 "success": True,
-                "counting_date": data.get("counting_date"),
-                "count": data.get("count", 0),
-                "count_in": data.get("count_in", 0),
-                "count_out": data.get("count_out", 0),
-                "start_time": data.get("start_time"),
-                "last_detection_time": data.get("last_detection_time"),
+                "active": True,
+                "site_name": SITE_NAME,
+                "counting": _read_counting_flag() if CONTROL_ENABLED else True,
+                **state,
             }
         )
     except FileNotFoundError:
         return jsonify(
             {
-                "success": False,
-                "error": "No active counter",
-                "count": 0,
-                "count_in": 0,
-                "count_out": 0,
-                "counting_date": None,
+                "success": True,
+                "site_name": SITE_NAME,
+                "counting": _read_counting_flag() if CONTROL_ENABLED else True,
+                "active": False,
+                "error": "No active counter — state file missing",
+                **_empty_current(),
             }
         ), 200
     except Exception as e:
         return jsonify(
             {
                 "success": False,
-                "error": str(e),
-                "count": 0,
-                "count_in": 0,
-                "count_out": 0,
-                "counting_date": None,
+                "error": f"Failed to read current counter from {CURRENT_COUNTER_PATH}: {e}",
+                "site_name": SITE_NAME,
+                **_empty_current(),
             }
         ), 500
 
 
+@app.route("/api/history")
+def api_history():
+    """
+    Historical daily counters.
+
+    Query params:
+      days      – last N calendar days (default 30; ignored if date_from/date_to set)
+      date_from – inclusive YYYY-MM-DD
+      date_to   – inclusive YYYY-MM-DD
+      limit     – page size (default: all matching)
+      offset    – page offset (default 0)
+    """
+    try:
+        days = request.args.get("days", type=int)
+        date_from = request.args.get("date_from")
+        date_to = request.args.get("date_to")
+        limit = request.args.get("limit", type=int)
+        offset = request.args.get("offset", 0, type=int)
+
+        if date_from:
+            try:
+                datetime.strptime(date_from, "%Y-%m-%d")
+            except ValueError:
+                return jsonify({
+                    "success": False,
+                    "error": {
+                        "code": "VALIDATION_ERROR",
+                        "message": f"Invalid date_from '{date_from}'. Use YYYY-MM-DD.",
+                    },
+                }), 400
+        if date_to:
+            try:
+                datetime.strptime(date_to, "%Y-%m-%d")
+            except ValueError:
+                return jsonify({
+                    "success": False,
+                    "error": {
+                        "code": "VALIDATION_ERROR",
+                        "message": f"Invalid date_to '{date_to}'. Use YYYY-MM-DD.",
+                    },
+                }), 400
+
+        if days is None and date_from is None and date_to is None:
+            days = 30
+        if offset < 0:
+            offset = 0
+        if limit is not None and limit < 1:
+            return jsonify({
+                "success": False,
+                "error": {
+                    "code": "VALIDATION_ERROR",
+                    "message": "limit must be a positive integer",
+                },
+            }), 400
+
+        rows, total = _query_history(
+            date_from=date_from,
+            date_to=date_to,
+            days=days,
+            limit=limit,
+            offset=offset,
+        )
+        payload = {
+            "success": True,
+            "site_name": SITE_NAME,
+            "filters": {
+                "days": days,
+                "date_from": date_from,
+                "date_to": date_to,
+            },
+            "count": len(rows),
+            "data": rows,
+        }
+        if limit is not None:
+            payload["pagination"] = {
+                "offset": offset,
+                "limit": limit,
+                "total": total,
+                "has_next": offset + limit < total,
+                "has_prev": offset > 0,
+            }
+        else:
+            payload["total"] = total
+        return jsonify(payload)
+    except sqlite3.OperationalError as e:
+        return jsonify({
+            "success": False,
+            "error": {
+                "code": "DATABASE_UNAVAILABLE",
+                "message": f"Database unavailable at {DB_PATH}: {e}",
+            },
+            "data": [],
+            "count": 0,
+            "total": 0,
+        }), 200
+    except Exception as e:
+        return jsonify({
+            "success": False,
+            "error": {
+                "code": "INTERNAL_ERROR",
+                "message": str(e),
+            },
+        }), 500
+
+
+@app.route("/api/history/<counting_date>")
+def api_history_day(counting_date):
+    """Single counting-day record by YYYY-MM-DD."""
+    try:
+        datetime.strptime(counting_date, "%Y-%m-%d")
+    except ValueError:
+        return jsonify({
+            "success": False,
+            "error": {
+                "code": "VALIDATION_ERROR",
+                "message": f"Invalid counting_date '{counting_date}'. Use YYYY-MM-DD.",
+            },
+        }), 400
+
+    try:
+        rows, _ = _query_history(date_from=counting_date, date_to=counting_date)
+        data = rows[0] if rows else _zero_day_row(counting_date)
+        return jsonify({
+            "success": True,
+            "site_name": SITE_NAME,
+            "data": data,
+        })
+    except sqlite3.OperationalError as e:
+        return jsonify({
+            "success": False,
+            "error": {
+                "code": "DATABASE_UNAVAILABLE",
+                "message": f"Database unavailable at {DB_PATH}: {e}",
+            },
+        }), 503
+    except Exception as e:
+        return jsonify({
+            "success": False,
+            "error": {
+                "code": "INTERNAL_ERROR",
+                "message": str(e),
+            },
+        }), 500
+
+
 @app.route("/api/summary")
 def api_summary():
     try:
@@ -395,27 +670,19 @@ def api_daily_data():
     try:
         days = request.args.get("days", 30, type=int)
         date_from = (datetime.now() - timedelta(days=days)).date().isoformat()
-        conn = get_db()
-        cur = conn.cursor()
-        cur.execute(
-            """
-            SELECT counting_date, total_count, total_in, total_out
-            FROM daily_counters
-            WHERE counting_date >= ?
-            ORDER BY counting_date ASC
-        """,
-            (date_from,),
-        )
+        date_to = get_counting_date()
+        rows, _ = _query_history(date_from=date_from, date_to=date_to)
+        # ASC for charts
+        rows = list(reversed(rows))
         daily_data = [
             {
-                "date": row["counting_date"],
+                "date": row["date"],
                 "total_count": row["total_count"],
                 "total_in": row["total_in"],
                 "total_out": row["total_out"],
             }
-            for row in cur.fetchall()
+            for row in rows
         ]
-        conn.close()
         return jsonify(daily_data)
     except sqlite3.OperationalError:
         return jsonify([]), 200
@@ -426,27 +693,18 @@ def api_daily_data():
 @app.route("/api/available-dates")
 def api_available_dates():
     try:
-        conn = get_db()
-        cur = conn.cursor()
-        cur.execute(
-            """
-            SELECT counting_date, total_count, total_in, total_out, start_time, end_time
-            FROM daily_counters
-            ORDER BY counting_date DESC
-        """
-        )
+        rows, _ = _query_history()
         dates = [
             {
-                "date": row["counting_date"],
+                "date": row["date"],
                 "total_count": row["total_count"],
                 "total_in": row["total_in"],
                 "total_out": row["total_out"],
                 "start_time": row["start_time"],
                 "end_time": row["end_time"],
             }
-            for row in cur.fetchall()
+            for row in rows
         ]
-        conn.close()
         return jsonify(dates)
     except sqlite3.OperationalError:
         return jsonify([]), 200
@@ -496,19 +754,9 @@ def export_daily_xlsx():
     try:
         days = request.args.get("days", 30, type=int)
         date_from = (datetime.now() - timedelta(days=days)).date().isoformat()
-        conn = get_db()
-        cur = conn.cursor()
-        cur.execute(
-            """
-            SELECT counting_date, total_count, total_in, total_out, start_time, end_time
-            FROM daily_counters
-            WHERE counting_date >= ?
-            ORDER BY counting_date ASC
-        """,
-            (date_from,),
-        )
-        rows = cur.fetchall()
-        conn.close()
+        date_to = get_counting_date()
+        rows, _ = _query_history(date_from=date_from, date_to=date_to)
+        rows = list(reversed(rows))  # ASC for export
     except sqlite3.OperationalError as e:
         return jsonify({"success": False, "error": f"Database unavailable: {e}"}), 503
     except Exception as e:
@@ -520,11 +768,11 @@ def export_daily_xlsx():
     _style_header(ws, [("A", "Date"), ("B", "Total"), ("C", "In"), ("D", "Out"), ("E", "Diff (In-Out)"), ("F", "First Count"), ("G", "Last Count")])
 
     for r_idx, row in enumerate(rows, 2):
-        ws.cell(row=r_idx, column=1, value=row["counting_date"])
+        ws.cell(row=r_idx, column=1, value=row["date"])
         ws.cell(row=r_idx, column=2, value=row["total_count"])
         ws.cell(row=r_idx, column=3, value=row["total_in"])
         ws.cell(row=r_idx, column=4, value=row["total_out"])
-        ws.cell(row=r_idx, column=5, value=(row["total_in"] or 0) - (row["total_out"] or 0))
+        ws.cell(row=r_idx, column=5, value=row["diff"])
         ws.cell(row=r_idx, column=6, value=row["start_time"])
         ws.cell(row=r_idx, column=7, value=row["end_time"])
 

counter_live_rknn.py

@@ -4,13 +4,16 @@ Runs on RK3588 hardware with RKNN model (320×320 input).
 Uses ByteTrack (Kalman filter + two-stage IoU association) for tracking.
 """
 
+import contextlib
 import numpy as np
 import cv2
 import csv
 import json
 import os
+import shutil
 import signal
 import socket
+import sys
 import threading
 import time
 from collections import deque
@@ -23,6 +26,7 @@ load_dotenv()
 
 from rknnlite.api import RKNNLite
 from counter_store import CounterStore
+from video_session_writer import VideoSessionWriter
 
 # --- config (override via env / .env) ---
 OUTPUT_DIR = os.getenv("OUTPUT_DIR", "/opt/jetson-counter")
@@ -94,14 +98,29 @@ RATE_WINDOW_SEC = int(os.getenv("RATE_WINDOW_SEC", "60"))
 WARMUP_FRAMES = int(os.getenv("WARMUP_FRAMES", "30"))
 RECONNECT_DELAY_SEC = int(os.getenv("RECONNECT_DELAY_SEC", "3"))
 MAX_RECONNECT_ATTEMPTS = int(os.getenv("MAX_RECONNECT_ATTEMPTS", "0"))
+# Max stream-error prints per outage (Cannot open / Stream dropped). After this,
+# further errors are silent until the stream recovers, then the budget resets.
+# 0 = unlimited (old behavior).
+STREAM_ERROR_LOG_MAX = int(os.getenv("STREAM_ERROR_LOG_MAX", "3"))
 TRACKED_PRUNE_SEC = int(os.getenv("TRACKED_PRUNE_SEC", "300"))
 RECORD_VIDEO = os.getenv("RECORD_VIDEO", "false").lower() == "true"
-VIDEO_SEGMENT_SEC = int(os.getenv("VIDEO_SEGMENT_SEC", "3600"))
+VIDEO_SEGMENT_SEC = int(os.getenv("VIDEO_SEGMENT_SEC", "3600"))  # legacy segment mode only
 OUTPUT_FPS = int(os.getenv("OUTPUT_FPS", "15"))
+# ByteTrack-style session recording: encode in SHM, move to VIDEO_OUTPUT_DIR on session end.
+SHM_DIR = os.getenv("SHM_DIR", "/dev/shm/zenai-kpc-counter")
+VIDEO_OUTPUT_DIR = os.getenv("VIDEO_OUTPUT_DIR", OUTPUT_DIR)
+RECORD_END_DELAY = float(os.getenv("RECORD_END_DELAY", "1"))
+RECORD_DISCARD_EMPTY = os.getenv("RECORD_DISCARD_EMPTY", "true").lower() == "true"
+RECORD_RETENTION_DAYS = int(os.getenv("RECORD_RETENTION_DAYS", "3"))
+_crf_raw = os.getenv("RECORD_CRF", "").strip()
+RECORD_CRF = int(_crf_raw) if _crf_raw else -1
+RECORD_PRESET = os.getenv("RECORD_PRESET", "").strip()
+# segment = old hourly dump to OUTPUT_DIR; session = SHM + webhook/control lifecycle
+RECORD_MODE = os.getenv("RECORD_MODE", "session").strip().lower()
 
 LIVE_STREAM_ENABLED = os.getenv("LIVE_STREAM_ENABLED", "false").lower() == "true"
 LIVE_STREAM_FRAME_PATH = os.getenv(
-    "LIVE_STREAM_FRAME_PATH", "/dev/shm/jetson-counter/live_frame.jpg"
+    "LIVE_STREAM_FRAME_PATH", f"{SHM_DIR}/live_frame.jpg"
 )
 LIVE_STREAM_QUALITY = int(os.getenv("LIVE_STREAM_QUALITY", "75"))
 LIVE_STREAM_EVERY_N = int(os.getenv("LIVE_STREAM_EVERY_N", "2"))
@@ -139,6 +158,20 @@ CONTROL_SOCKET_ENABLED = os.getenv("CONTROL_SOCKET_ENABLED", "false").lower() ==
 CONTROL_SOCKET_HOST = os.getenv("CONTROL_SOCKET_HOST", "127.0.0.1")
 CONTROL_SOCKET_PORT = int(os.getenv("CONTROL_SOCKET_PORT", "5090"))
 
+# --- Status webhook gate (direction-locked when IN or OUT) ---
+# When enabled, counting runs only while status is IN or OUT, and only that
+# direction is counted (IN → in crossings, OUT → out crossings). OFF pauses all.
+STATUS_WEBHOOK_ENABLED = os.getenv("STATUS_WEBHOOK_ENABLED", "false").lower() == "true"
+STATUS_WEBHOOK_FILE = os.getenv(
+    "STATUS_WEBHOOK_FILE",
+    "/opt/zenai-kpc-python/status_webhook_state.json",
+)
+_active_raw = os.getenv("STATUS_WEBHOOK_ACTIVE_VALUES", "IN,OUT")
+STATUS_WEBHOOK_ACTIVE_VALUES = frozenset(
+    part.strip().upper() for part in _active_raw.split(",") if part.strip()
+)
+STATUS_WEBHOOK_INACTIVE_VALUE = os.getenv("STATUS_WEBHOOK_INACTIVE_VALUE", "OFF").strip().upper()
+
 CROSS_FLASH_FRAMES = 12
 POPUP_LIFETIME = 20
 LINE_PULSE_FRAMES = 12
@@ -750,6 +783,21 @@ def read_counting_flag(default=True):
         return default
 
 
+def read_status_webhook():
+    """Return normalized status from webhook file, or inactive value on error."""
+    try:
+        with open(STATUS_WEBHOOK_FILE, "r", encoding="utf-8") as f:
+            data = json.load(f)
+        status = str(data.get("status", "")).strip().upper()
+        return status or STATUS_WEBHOOK_INACTIVE_VALUE
+    except Exception:
+        return STATUS_WEBHOOK_INACTIVE_VALUE
+
+
+def status_webhook_allows_counting(status):
+    return status in STATUS_WEBHOOK_ACTIVE_VALUES
+
+
 def write_control_file(counting):
     """Create/update the control file atomically (used to seed defaults)."""
     try:
@@ -825,10 +873,37 @@ def start_control_socket():
     return srv
 
 
+@contextlib.contextmanager
+def _quiet_opencv_stderr():
+    """Silence OpenCV/FFmpeg stderr (DESCRIBE failed, cap.cpp WARN, etc.)."""
+    saved_fd = None
+    devnull_fd = None
+    try:
+        stderr_fd = sys.stderr.fileno()
+        saved_fd = os.dup(stderr_fd)
+        devnull_fd = os.open(os.devnull, os.O_WRONLY)
+        os.dup2(devnull_fd, stderr_fd)
+    except (AttributeError, OSError, ValueError):
+        yield
+        return
+    try:
+        yield
+    finally:
+        os.dup2(saved_fd, stderr_fd)
+        os.close(saved_fd)
+        os.close(devnull_fd)
+
+
 def open_capture(source):
     if source.lower().startswith(("rtsp://", "http://")):
         os.environ["OPENCV_FFMPEG_CAPTURE_OPTIONS"] = RTSP_FFMPEG_OPTIONS
-    cap = cv2.VideoCapture(source, cv2.CAP_FFMPEG)
+    # When STREAM_ERROR_LOG_MAX > 0, native OpenCV/FFmpeg stderr is suppressed;
+    # stream_error_log emits at most that many user-facing messages per outage.
+    if STREAM_ERROR_LOG_MAX > 0:
+        with _quiet_opencv_stderr():
+            cap = cv2.VideoCapture(source, cv2.CAP_FFMPEG)
+    else:
+        cap = cv2.VideoCapture(source, cv2.CAP_FFMPEG)
     cap.set(cv2.CAP_PROP_BUFFERSIZE, 1)
     return cap
 
@@ -1126,6 +1201,46 @@ def draw_popups(img, popups, frame_idx):
     return alive
 
 
+class StreamErrorLog:
+    """Rate-limit stream error prints to STREAM_ERROR_LOG_MAX per outage.
+
+    After the cap, messages are suppressed until note_up() when the stream
+    is healthy again; the next drop starts a fresh budget.
+    """
+
+    def __init__(self, max_logs=STREAM_ERROR_LOG_MAX):
+        self.max_logs = int(max_logs)
+        self._emitted = 0
+        self._suppressed = 0
+
+    def emit(self, msg: str) -> None:
+        if self.max_logs <= 0:
+            print(msg)
+            return
+        if self._emitted < self.max_logs:
+            self._emitted += 1
+            print(msg)
+            if self._emitted >= self.max_logs:
+                print(
+                    f"[{now_str()}] Stream errors capped at {self.max_logs} "
+                    f"this outage — further messages suppressed until stream recovers"
+                )
+        else:
+            self._suppressed += 1
+
+    def note_up(self) -> None:
+        if self._suppressed > 0:
+            print(
+                f"[{now_str()}] Stream recovered "
+                f"(suppressed {self._suppressed} error log(s) during outage)"
+            )
+        self._emitted = 0
+        self._suppressed = 0
+
+
+stream_error_log = StreamErrorLog()
+
+
 def connect_stream(source, warmup=WARMUP_FRAMES):
     attempts = 0
     while not shutdown_requested:
@@ -1136,7 +1251,9 @@ def connect_stream(source, warmup=WARMUP_FRAMES):
                 raise RuntimeError(
                     f"Cannot open source after {attempts} attempts: {source}"
                 )
-            print(f"Cannot open source, retry in {RECONNECT_DELAY_SEC}s...")
+            stream_error_log.emit(
+                f"Cannot open source, retry in {RECONNECT_DELAY_SEC}s..."
+            )
             time.sleep(RECONNECT_DELAY_SEC)
             continue
         if warmup > 0 and source.lower().startswith(("rtsp://", "http://")):
@@ -1146,6 +1263,7 @@ def connect_stream(source, warmup=WARMUP_FRAMES):
         fps = cap.get(cv2.CAP_PROP_FPS)
         if not fps or fps <= 1:
             fps = OUTPUT_FPS
+        stream_error_log.note_up()
         return cap, w, h, fps
     return None, 0, 0, OUTPUT_FPS
 
@@ -1215,11 +1333,14 @@ def run():
     frames_since_infer = 0
     video_writer = None
     crossing_times = deque()
-    counter_in = 0
-    counter_out = 0
+    # Overlay shows daily store totals (resume-safe, resets on counting-day change).
+    counter_in = store.current_count_in
+    counter_out = store.current_count_out
     last_snapshot_cleanup = 0.0
 
     counting_active = True
+    status_nyala_active = True
+    status_webhook_value = STATUS_WEBHOOK_INACTIVE_VALUE
     last_control_poll = 0.0
     control_socket = None
     if CONTROL_ENABLED:
@@ -1235,6 +1356,13 @@ def run():
                 control_socket = start_control_socket()
             except Exception as exc:
                 print(f"[{now_str()}] Failed to start control socket: {exc}")
+    if STATUS_WEBHOOK_ENABLED:
+        status_webhook_value = read_status_webhook()
+        status_nyala_active = status_webhook_allows_counting(status_webhook_value)
+        print(
+            f"Status webhook enabled | file={STATUS_WEBHOOK_FILE} | "
+            f"status={status_webhook_value}"
+        )
 
     cap, w, h, fps = connect_stream(SOURCE)
     if cap is None:
@@ -1258,7 +1386,36 @@ def run():
     print(f"State: {STATE_FILE}")
 
     if RECORD_VIDEO:
-        video_writer = VideoSegmentWriter(OUTPUT_DIR, w, h, fps, VIDEO_SEGMENT_SEC)
+        if RECORD_MODE == "segment":
+            video_writer = VideoSegmentWriter(OUTPUT_DIR, w, h, fps, VIDEO_SEGMENT_SEC)
+            print(
+                f"Recording (segment): {OUTPUT_DIR} every {VIDEO_SEGMENT_SEC}s"
+            )
+        else:
+            video_writer = VideoSessionWriter(
+                shm_dir=SHM_DIR,
+                video_output_dir=VIDEO_OUTPUT_DIR,
+                w=w,
+                h=h,
+                fps=fps if fps and fps > 1 else OUTPUT_FPS,
+                end_delay_sec=RECORD_END_DELAY,
+                retention_days=RECORD_RETENTION_DAYS,
+                crf=RECORD_CRF,
+                preset=RECORD_PRESET,
+                discard_empty=RECORD_DISCARD_EMPTY,
+            )
+            print(
+                f"Recording (session): SHM={SHM_DIR} → out={VIDEO_OUTPUT_DIR} | "
+                f"end_delay={RECORD_END_DELAY}s discard_empty={RECORD_DISCARD_EMPTY} | "
+                f"ffmpeg={'yes' if shutil.which('ffmpeg') else 'NO'}"
+            )
+            # If webhook already active at startup, begin a session immediately.
+            if STATUS_WEBHOOK_ENABLED and status_nyala_active:
+                video_writer.note_session_start(
+                    status_webhook_value, store.get_counting_date()
+                )
+            elif not STATUS_WEBHOOK_ENABLED and counting_active:
+                video_writer.note_session_start("SESSION", store.get_counting_date())
 
     reconnect_count = 0
 
@@ -1268,8 +1425,9 @@ def run():
             if not IS_LIVE:
                 break
             reconnect_count += 1
-            print(
-                f"Stream dropped (attempt {reconnect_count}), reconnecting in {RECONNECT_DELAY_SEC}s..."
+            stream_error_log.emit(
+                f"Stream dropped (attempt {reconnect_count}), "
+                f"reconnecting in {RECONNECT_DELAY_SEC}s..."
             )
             cap.release()
             time.sleep(RECONNECT_DELAY_SEC)
@@ -1287,15 +1445,53 @@ def run():
         cross_events_frame = []
         detect_events_frame = []
 
-        if CONTROL_ENABLED and (now - last_control_poll) >= CONTROL_POLL_SEC:
+        if (CONTROL_ENABLED or STATUS_WEBHOOK_ENABLED) and (
+            now - last_control_poll
+        ) >= CONTROL_POLL_SEC:
             last_control_poll = now
-            new_flag = read_counting_flag(CONTROL_DEFAULT_COUNTING)
-            if new_flag != counting_active:
-                counting_active = new_flag
-                print(f"[{now_str()}] Counting {'RESUMED' if counting_active else 'PAUSED'} via control file")
+            if CONTROL_ENABLED:
+                new_flag = read_counting_flag(CONTROL_DEFAULT_COUNTING)
+                if new_flag != counting_active:
+                    counting_active = new_flag
+                    print(
+                        f"[{now_str()}] Counting "
+                        f"{'RESUMED' if counting_active else 'PAUSED'} via control file"
+                    )
+                    if (
+                        isinstance(video_writer, VideoSessionWriter)
+                        and not STATUS_WEBHOOK_ENABLED
+                    ):
+                        if counting_active:
+                            video_writer.note_session_start(
+                                "SESSION", store.get_counting_date()
+                            )
+                        else:
+                            video_writer.note_session_end()
+            if STATUS_WEBHOOK_ENABLED:
+                new_status = read_status_webhook()
+                if new_status != status_webhook_value:
+                    prev_status = status_webhook_value
+                    status_webhook_value = new_status
+                    status_nyala_active = status_webhook_allows_counting(
+                        status_webhook_value
+                    )
+                    print(f"[{now_str()}] Status webhook {status_webhook_value}")
+                    if isinstance(video_writer, VideoSessionWriter):
+                        was_active = status_webhook_allows_counting(prev_status)
+                        if status_nyala_active and not was_active:
+                            video_writer.note_session_start(
+                                status_webhook_value, store.get_counting_date()
+                            )
+                        elif was_active and not status_nyala_active:
+                            video_writer.note_session_end()
 
+        # Raw frames only (before overlay). Session writer encodes here every frame.
+        if isinstance(video_writer, VideoSessionWriter):
+            video_writer.feed_frame(frame)
+
+        counting_allowed = counting_active and status_nyala_active
         skip_inference = False
-        if not counting_active:
+        if not counting_allowed:
             skip_inference = True
         elif MOTION_DETECTION_ENABLED:
             gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
@@ -1357,29 +1553,23 @@ def run():
                     if object_det_to_track
                     else ""
                 )
-                crossing_str1 = ""
-                crossing_str2 = ""
+                crossing_str = ""
                 if object_cross_state:
-                    seen_in_ids = sorted(
+                    line1_ids = sorted(
                         tid for tid, st in object_cross_state.items() if st.get("seen_in")
                     )
-                    seen_out_ids = sorted(
+                    line2_ids = sorted(
                         tid for tid, st in object_cross_state.items() if st.get("seen_out")
                     )
-                    counted_ids = sorted(
-                        tid for tid, st in object_cross_state.items() if st.get("counted")
-                    )
-                    if seen_in_ids:
-                        crossing_str1 = f"  seen_in: {seen_in_ids}"
-                    if seen_out_ids:
-                        crossing_str2 = f"  seen_out: {seen_out_ids}"
-                    if counted_ids:
-                        crossing_str2 += f"  counted: {counted_ids}"
+                    if line1_ids:
+                        crossing_str += f"  line1_crossed: {line1_ids}"
+                    if line2_ids:
+                        crossing_str += f"  line2_crossed: {line2_ids}"
                 print(
                     f"[DEBUG F{frame_idx}] dets={len(object_boxes_xyxy)} "
                     f"tracks={len(object_track_map)} "
                     f"line_y1={line_y1} line_y2={line_y2}{scores_str}"
-                    f"{tracks_str}{crossing_str1}{crossing_str2}"
+                    f"{tracks_str}{crossing_str}"
                 )
 
         # --- crossing detection only on DETECTED objects this frame ---
@@ -1455,6 +1645,12 @@ def run():
                     # Prefer decisive motion if both count triggers fire in one jump.
                     count_in = in_down and not st["counted"]
                     count_out = out_up and not st["counted"]
+                    if STATUS_WEBHOOK_ENABLED:
+                        # Webhook IN → only IN counts; OUT → only OUT counts.
+                        if status_webhook_value == "IN":
+                            count_out = False
+                        elif status_webhook_value == "OUT":
+                            count_in = False
                     if count_in and count_out:
                         if cy >= prev_cy:
                             count_out = False
@@ -1490,36 +1686,28 @@ def run():
                         object_tracked[tid] = (cx, cy, mono)
                         continue
 
-                    seq = (
-                        "out→in"
-                        if direction == "in" and st["seen_out"]
-                        else (
-                            "in→out"
-                            if direction == "out" and st["seen_in"]
-                            else ("in-only" if direction == "in" else "out-only")
-                        )
-                    )
                     if os.getenv("DEBUG_TRACKING", "").lower() == "true":
+                        line_n = 1 if direction == "in" else 2
+                        line_y = line_y1 if direction == "in" else line_y2
                         print(
                             f"[DEBUG F{frame_idx}] CROSS DETECTED: tid={tid} "
-                            f"prev_cy={prev_cy:.1f} -> cy={cy:.1f} dir={direction} "
-                            f"seq={seq}"
-                            + (
-                                " (inherit)"
-                                if inherited_this_frame
-                                else ""
-                            )
+                            f"prev_cy={prev_cy:.1f} -> cy={cy:.1f} "
+                            f"line={line_n} y={line_y} dir={direction}"
                         )
 
                     recent.append((frame_idx, cx))
                     st["counted"] = True
+                    _, _, counted = store.record_object_crossing(tid, direction)
+                    counter_in = store.current_count_in
+                    counter_out = store.current_count_out
+                    if not counted:
+                        # Dedup in the store rejected this event; skip overlay/CSV.
+                        object_tracked[tid] = (cx, cy, mono)
+                        continue
                     if direction == "in":
-                        counter_in += 1
                         count_in_pulse = COUNT_PULSE_FRAMES
                     else:
-                        counter_out += 1
                         count_out_pulse = COUNT_PULSE_FRAMES
-                    store.record_object_crossing(tid, direction)
                     if cross_logger:
                         cross_logger.write_row(
                             [
@@ -1532,6 +1720,8 @@ def run():
                     object_crossed_frame = True
                     cross_events_frame.append((tid, direction))
                     crossing_times.append(mono)
+                    if isinstance(video_writer, VideoSessionWriter):
+                        video_writer.note_crossing()
                     object_cross_flash1[tid] = CROSS_FLASH_FRAMES
                     object_cross_flash2[tid] = CROSS_FLASH_FRAMES
                     popups.append(
@@ -1568,7 +1758,9 @@ def run():
         if object_crossed_frame:
             line_pulse = LINE_PULSE_FRAMES
 
-        display_total = store.display_total()
+        # Keep overlay aligned with daily store (also resets after cutoff).
+        counter_in = store.current_count_in
+        counter_out = store.current_count_out
         while crossing_times and mono - crossing_times[0] > RATE_WINDOW_SEC:
             crossing_times.popleft()
         rate = (len(crossing_times) / RATE_WINDOW_SEC * 60) if crossing_times else 0.0
@@ -1597,8 +1789,11 @@ def run():
         )
         popups = draw_popups(frame, popups, frame_idx)
 
-        if CONTROL_ENABLED and not counting_active:
-            badge = "COUNTING PAUSED"
+        if (CONTROL_ENABLED or STATUS_WEBHOOK_ENABLED) and not counting_allowed:
+            if STATUS_WEBHOOK_ENABLED and not status_nyala_active:
+                badge = status_webhook_value
+            else:
+                badge = "COUNTING PAUSED"
             (bw, bh), _ = cv2.getTextSize(badge, cv2.FONT_HERSHEY_SIMPLEX, 0.6, 2)
             bx = w // 2 - bw // 2
             overlay_rect(frame, bx - 14, 48, bx + bw + 14, 48 + bh + 18, C_PANEL, alpha=0.75)
@@ -1616,7 +1811,7 @@ def run():
         count_in_pulse = max(0, count_in_pulse - 1)
         count_out_pulse = max(0, count_out_pulse - 1)
 
-        if video_writer is not None:
+        if isinstance(video_writer, VideoSegmentWriter):
             video_writer.write(frame)
 
         if LIVE_STREAM_ENABLED and frame_idx % LIVE_STREAM_EVERY_N == 0:
@@ -1672,7 +1867,9 @@ def run():
         prune_stale_tracks(object_tracked, mono)
 
     cap.release()
-    if video_writer is not None:
+    if isinstance(video_writer, VideoSessionWriter):
+        video_writer.shutdown()
+    elif video_writer is not None:
         video_writer.release()
     if cross_logger:
         cross_logger.close()

counter_store.py

@@ -41,6 +41,12 @@ class CounterStore:
         self.db = sqlite3.connect(db_path, check_same_thread=False)
         self._init_db()
         self.current_state = self._load_state()
+        with self.state_lock:
+            self._fill_missing_days()
+            counting_date = self.get_counting_date()
+            if self.current_state is None:
+                self._start_new_day(counting_date)
+            self._persist_day()
 
     def _init_db(self):
         cur = self.db.cursor()
@@ -88,11 +94,23 @@ class CounterStore:
             state.setdefault('count_in', 0)
             state.setdefault('count_out', 0)
             state.setdefault('count', state['count_in'] + state['count_out'])
-            state.setdefault('counted_event_ids', [])
+            # Track IDs are process-local and restart from 1 after every process
+            # start. Persisted dedup keys like "5_in" would silently block new
+            # counts that reuse those IDs, so clear them on resume while keeping
+            # the day's totals.
+            stale_ids = state.get('counted_event_ids') or []
+            if stale_ids:
+                self.log(
+                    f"Cleared {len(stale_ids)} persisted track dedup keys "
+                    f"(track IDs reset on restart)"
+                )
+            state['counted_event_ids'] = []
             self.log(
                 f"Resumed {current_date} with total={state['count']} "
                 f"(in={state['count_in']} out={state['count_out']})"
             )
+            with open(self.state_file, 'w', encoding='utf-8') as f:
+                json.dump(state, f, indent=2, ensure_ascii=False)
             return state
         except Exception as exc:
             self.log(f'Failed to load state file: {exc}')
@@ -125,8 +143,65 @@ class CounterStore:
         self.save_state()
         self.log(f'Started counting day {counting_date} ({self.object_label})')
 
+    def _ensure_day_row(self, counting_date, start_time=None, end_time=None):
+        """Insert a zero row for counting_date if it does not already exist."""
+        now = datetime.now().isoformat()
+        cur = self.db.cursor()
+        cur.execute(
+            """
+            INSERT OR IGNORE INTO daily_counters
+                (counting_date, camera_name, object_label,
+                 total_count, total_in, total_out, start_time, end_time)
+            VALUES (?, ?, ?, 0, 0, 0, ?, ?)
+            """,
+            (
+                counting_date,
+                self.camera_name,
+                self.object_label,
+                start_time or now,
+                end_time or now,
+            ),
+        )
+        self.db.commit()
+
+    def _fill_missing_days(self):
+        """Backfill any missing counting dates from first DB row through today as 0."""
+        today = self.get_counting_date()
+        cur = self.db.cursor()
+        cur.execute(
+            """
+            SELECT counting_date FROM daily_counters
+            WHERE camera_name = ? AND object_label = ?
+            ORDER BY counting_date ASC
+            """,
+            (self.camera_name, self.object_label),
+        )
+        existing = {row[0] for row in cur.fetchall()}
+        if not existing:
+            self._ensure_day_row(today)
+            return
+
+        start = datetime.strptime(min(existing), '%Y-%m-%d').date()
+        end = datetime.strptime(today, '%Y-%m-%d').date()
+        filled = 0
+        d = start
+        while d <= end:
+            key = d.isoformat()
+            if key not in existing:
+                self._ensure_day_row(key)
+                filled += 1
+            d += timedelta(days=1)
+        if filled:
+            self.log(
+                f'Backfilled {filled} zero-activity day(s) '
+                f'{start.isoformat()}..{end.isoformat()}'
+            )
+
     def record_object_crossing(self, track_id, direction):
-        """Record an object crossing a counting line.  direction: 'in' | 'out'."""
+        """Record an object crossing a counting line.  direction: 'in' | 'out'.
+
+        Returns (total_count, day_started, counted).
+        """
         with self.state_lock:
             counting_date = self.get_counting_date()
             day_started = False
@@ -134,6 +209,7 @@ class CounterStore:
                 self._start_new_day(counting_date)
                 day_started = True
 
+            counted = False
             event_key = f"{track_id}_{direction}"
             if event_key not in self.current_state['counted_event_ids']:
                 self.current_state['count'] += 1
@@ -142,6 +218,7 @@ class CounterStore:
                 else:
                     self.current_state['count_out'] += 1
                 self.current_state['counted_event_ids'].append(event_key)
+                counted = True
                 self.log(
                     f'Counted {direction} (track {track_id}) | {counting_date} '
                     f'total: {self.current_state["count"]} '
@@ -151,7 +228,7 @@ class CounterStore:
 
             self.current_state['last_detection_time'] = datetime.now().isoformat()
             self.save_state()
-            return self.current_state['count'], day_started
+            return self.current_state['count'], day_started, counted
 
     def _persist_day(self):
         state = self.current_state
@@ -182,13 +259,19 @@ class CounterStore:
         while not self.shutdown_event.is_set():
             time.sleep(60)
             with self.state_lock:
+                self._fill_missing_days()
+                counting_date = self.get_counting_date()
                 if self.current_state is None:
+                    self._start_new_day(counting_date)
+                    self._persist_day()
                     continue
-                if self.current_state['counting_date'] != self.get_counting_date():
+                if self.current_state['counting_date'] != counting_date:
                     self.log('Daily cutoff reached - finalizing day totals')
                     self._persist_day()
                     self.current_state = None
                     self.save_state()
+                    self._start_new_day(counting_date)
+                    self._persist_day()
 
     def start_cutoff_watcher(self):
         t = threading.Thread(target=self.cutoff_watcher_loop, daemon=True)

env.example

@@ -1,152 +1,151 @@
 # =============================================================================
-# Edge RK3588 production counter + dashboard
-# Shared config for: counter_live_rknn_bytetrack.py + counter_dashboard.py
-# Copy to .env on device:  cp config.env.example .env && nano .env
+# ZenAI KPC edge counter + dashboard
+# Shared config for: counter_live_rknn.py + counter_dashboard.py
+#
+# On device:
+#   cp env.example .env && nano .env
+#
+# Install path (systemd): /opt/zenai-kpc-python
+# Data path:               /opt/zenai-kpc-counter
+# See DEPLOY.md for full setup instructions.
 # =============================================================================
 
 # --- Core paths ---
-# Root output directory (logs, DB, video, CSV)
-OUTPUT_DIR=/opt/zenai-kpc-bt-counter
-# SQLite database path for daily counter records & crossing logs
-DB_PATH=/tmp/counter.db
-# JSON file persisting the current active counting day state
-STATE_FILE=/tmp/current_counter.json
+OUTPUT_DIR=/opt/zenai-kpc-counter
+DB_PATH=/opt/zenai-kpc-counter/counter.db
+STATE_FILE=/opt/zenai-kpc-counter/current_counter.json
 
 # --- Input source ---
-# RTSP / HTTP live stream, or a local video file path
-#SOURCE=rtsp://user:pass@192.168.0.100:554/stream1
-SOURCE=rtsp://10.38.30.64:8554/my_stream
-# FFmpeg capture options passed to cv2.VideoCapture (RTSP low-latency flags)
+SOURCE=rtsp://192.168.192.250:8554/my_stream_1
 OPENCV_FFMPEG_CAPTURE_OPTIONS=rtsp_transport;tcp|fflags;nobuffer|flags;low_delay
 
 # --- RKNN model ---
-# Path to exported .rknn model (YOLO format, e.g. yolo11n.rknn)
-MODEL_PATH=/opt/models/zenai_kac_sukawarna_20260702.rknn
-# Input image size for the model (square, e.g. 320 → 320×320)
+MODEL_PATH=/opt/models/zenai_kac_sukawarna_20260716.rknn
 IMGSZ=320
-# Use FP16 inference on NPU (true/false); currently unused in ByteTrack variant
 HALF=false
-# NPU core mask: 1=core0, 2=core1, 3=core0+core1, 7=all three
-CORE_MASK=1
-# Compute device index (reserved; not used at runtime)
+CORE_MASK=7
 DEVICE=0
 
 # --- YOLO decoder ---
-# Number of object classes the model outputs
-NUM_CLASSES=4
-# Apply sigmoid to raw class scores (true/false); set true if model head uses BCE logits
+NUM_CLASSES=1
 SCORE_SIGMOID=false
 
 # --- Detection ---
-# Confidence threshold – detections below this are discarded before NMS
-CONF=0.5
+CONF=0.6
+NMS_IOU=0.9
 
 # --- ByteTrack tracking ---
-# Detections with score >= this get priority matching in the first association stage
-TRACK_HIGH_THRESH=0.5
-# Detections with score between this and TRACK_HIGH_THRESH are matched in the second stage
-TRACK_LOW_THRESH=0.3
-# IoU threshold for the first-stage association (0–1). Higher = stricter overlap required
-TRACK_MATCH_THRESH=0.7
-# Frames a track survives without a match before being permanently removed
+TRACK_HIGH_THRESH=0.6
+TRACK_LOW_THRESH=0.4
+TRACK_MATCH_THRESH=0.8
 TRACK_BUFFER=60
-# Minimum consecutive (or total) hits needed before a track is considered confirmed
 TRACK_MIN_HITS=3
 
+# --- ID-switch counting guards ---
+DEDUP_FRAMES=15
+DEDUP_PX=60
+INHERIT_SEC=1.0
+INHERIT_PX=60
+INHERIT_CROSS_MAX_DY=40
+
 # --- Display ---
-# Site name shown on the dashboard header (top-right)
 SITE_NAME=ZenAi
 
 # --- Object class names ---
-# Camera / location identifier shown in HUD and stored in DB
 CAMERA_NAME=ZenAi
-# Label used for batch grouping in the database
 OBJECT_LABEL=karung
-# Class name for the counted object (must match model class order)
 CLASS_OBJECT=karung
-# Model class ID for the object being counted (default 0)
 OBJECT_CLASS_ID=0
 
 # --- Line crossing ---
-# Two horizontal counting lines with sequence logic:
-#   Line 1 (IN):  top→down counts IN  (OUT→IN sequence, or IN-only)
-#   Line 2 (OUT): bottom→up counts OUT (IN→OUT sequence, or OUT-only)
-# Passing the opposite line first only arms; the destination line still counts
-# even if the opposite line was never crossed.
-# Fixed y-coordinate for line 1/IN (overrides LINE_Y1_FRAC if set)
 LINE_Y1=
-# Fraction of frame height for line 1 (default 0.33)
 LINE_Y1_FRAC=0.70
-# Fixed y-coordinate for line 2 (overrides LINE_Y2_FRAC if set)
 LINE_Y2=
-# Fraction of frame height for line 2 (default 0.66)
 LINE_Y2_FRAC=0.30
 
 # --- Counting day management ---
-# Daily cutoff time (HH:MM) – a new counting day starts after this time and the
-# previous day's counter_in / counter_out totals are finalized in the database.
-# CUTOFF_TIME is an alias used by the dashboard; DAILY_CUTOFF_TIME takes priority in counter_live_rknn.py.
-DAILY_CUTOFF_TIME=20:00
-CUTOFF_TIME=20:00
+DAILY_CUTOFF_TIME=00:00
+CUTOFF_TIME=00:00
 
 # --- CSV export ---
-# Write per-crossing events to a CSV file (true/false)
 EXPORT_CSV=false
-# Path where the crossing CSV is written
-CROSS_CSV=/tmp/crossings.csv
+CROSS_CSV=/opt/zenai-kpc-counter/crossings.csv
+
+# --- Crossing snapshots ---
+SAVE_CROSS_SNAPSHOT=true
+SAVE_DETECT_SNAPSHOT=false
+CROSS_SNAPSHOT_DIR=/opt/zenai-kpc-counter/snapshots
+CROSS_SNAPSHOT_QUALITY=85
+CROSS_SNAPSHOT_MAX_FILES=1000
+CROSS_SNAPSHOT_MAX_AGE_DAYS=3
+CROSS_SNAPSHOT_CLEANUP_SEC=3600
 
 # --- Rate / performance ---
-# Enable motion detection pre-filter: skip inference on frames with no movement
-# (true/false, default: false). When enabled, frames below MOTION_THRESHOLD are
-# skipped, saving NPU/CPU load.
 MOTION_DETECTION_ENABLED=true
-# Mean absolute pixel difference threshold (0–255) to consider a frame as having
-# motion. Lower = more sensitive. Default 5.0.
+MOTION_PIXEL_DELTA=25
+MOTION_MIN_AREA_FRAC=0.002
+MOTION_HEARTBEAT_FRAMES=15
 MOTION_THRESHOLD=5.0
-# Sliding window in seconds for computing the crossing rate (objects/minute)
-RATE_WINDOW_SEC=60
-# Number of frames to discard at startup to let the stream buffer stabilise
-WARMUP_FRAMES=30
-# Delay in seconds between stream reconnection attempts
-RECONNECT_DELAY_SEC=3
-# Maximum reconnection attempts (0 = infinite)
-MAX_RECONNECT_ATTEMPTS=0
-# Seconds after which a tracked but unseen object is pruned from the active set
-TRACKED_PRUNE_SEC=300
 
-# --- Video recording ---
-# Save annotated frames to segmented MP4 files (true/false)
+# --- Video recording (ByteTrack-style session) ---
+# When true, record raw frames for each counting session
 RECORD_VIDEO=false
-# Duration in seconds of each video segment file
+# session = encode in SHM, start on webhook IN/OUT (or control ON), stop on OFF
+# segment = legacy continuous hourly files under OUTPUT_DIR
+RECORD_MODE=session
+# Pending MP4 while session is active (tmpfs / RAM)
+SHM_DIR=/dev/shm/zenai-kpc-counter
+# Finished MP4 destination (use NFS mount here if desired). Defaults to OUTPUT_DIR.
+VIDEO_OUTPUT_DIR=/opt/zenai-kpc-counter
+# Extra seconds to keep recording after session end (IN/OUT → OFF)
+RECORD_END_DELAY=1
+# Delete pending clip if no object was counted during the session
+RECORD_DISCARD_EMPTY=true
+# Delete day folders under VIDEO_OUTPUT_DIR older than this many days (0 = off)
+RECORD_RETENTION_DAYS=3
+# H.264 quality via OpenCV FFmpeg writer (empty = default). Lower CRF = better.
+RECORD_CRF=18
+RECORD_PRESET=slow
+# Legacy segment length (only when RECORD_MODE=segment)
 VIDEO_SEGMENT_SEC=3600
-# Output video FPS (fallback if source FPS is unknown or ≤ 1)
 OUTPUT_FPS=15
 
+# --- Runtime control (start/stop counting on the fly) ---
+CONTROL_ENABLED=false
+CONTROL_FILE=/opt/zenai-kpc-counter/control.json
+CONTROL_DEFAULT_COUNTING=true
+CONTROL_POLL_SEC=1.0
+CONTROL_SOCKET_ENABLED=false
+CONTROL_SOCKET_HOST=127.0.0.1
+CONTROL_SOCKET_PORT=5090
+
+# --- Status webhook gate (count only when status is IN or OUT) ---
+STATUS_WEBHOOK_ENABLED=true
+STATUS_WEBHOOK_FILE=/opt/zenai-kpc-python/status_webhook_state.json
+STATUS_WEBHOOK_ACTIVE_VALUES=IN,OUT
+STATUS_WEBHOOK_INACTIVE_VALUE=OFF
+
+
+# Sliding window in seconds for computing the crossing rate (objects/minute)
+RATE_WINDOW_SEC=60
+WARMUP_FRAMES=30
+RECONNECT_DELAY_SEC=3
+MAX_RECONNECT_ATTEMPTS=0
+# Max stream-error logs per outage; resets when stream recovers. 0 = unlimited.
+STREAM_ERROR_LOG_MAX=3
+TRACKED_PRUNE_SEC=300
+
 # --- Live stream snapshot ---
-# Periodically write the latest annotated frame as JPEG for an external web server
 LIVE_STREAM_ENABLED=true
-# Path to the shared-memory snapshot file (served by nginx / lighttpd)
-LIVE_STREAM_FRAME_PATH=/dev/shm/byetrack-counter/live_frame.jpg
-# JPEG quality (1–100)
+LIVE_STREAM_FRAME_PATH=/dev/shm/zenai-kpc-counter/live_frame.jpg
 LIVE_STREAM_QUALITY=75
-# Write the snapshot every N frames (lower = more frequent updates)
 LIVE_STREAM_EVERY_N=2
 
 # --- Dashboard (counter_dashboard.py) ---
-# Flask secret key for session/cookie signing — change in production!
 SECRET_KEY=change-me-in-production
-# Bind address for the Flask web server
 DASHBOARD_HOST=0.0.0.0
-# Listen port for the dashboard web UI
-DASHBOARD_PORT=5000
-# Enable Flask debug mode (true/false) — auto-reloads on code changes; disable in production
+DASHBOARD_PORT=7000
 FLASK_DEBUG=false
-# Fallback name for the active counting-day JSON state file used by the dashboard
-CURRENT_COUNTER_PATH=/tmp/bytetrack_current_counter.json
 
-SAVE_CROSS_SNAPSHOT=true
-CROSS_SNAPSHOT_DIR=/opt/zenai-kpc-snaps/snapshots
-CROSS_SNAPSHOT_CLEANUP_SEC=3600
-CROSS_SNAPSHOT_MAX_AGE_DAYS=3
-
-DEDUP_PX=-1
+# Debug: set DEBUG_TRACKING=true to log per-frame tracking details to stdout
+DEBUG_TRACKING=true

requirements.txt

@@ -1,3 +1,7 @@
+# System packages (apt — not installable via pip):
+#   sudo apt install -y python3 python3-venv python3-pip ffmpeg libgl1
+# ffmpeg: RTSP capture via OpenCV + session MP4 recording (VideoWriter)
+
 numpy<2
 rknn-toolkit-lite2
 opencv-python

status_webhook.py

@@ -0,0 +1,293 @@
+#!/usr/bin/env python3
+"""
+Standalone status webhook (stdlib only, HTTP + HTTPS).
+
+Receives:
+  GET /status                         -> {"status": "IN"|"OUT"|"OFF"}
+  GET /?lokasi=IN|OUT&status=ON|OFF   -> success | fail
+
+State stored in JSON as IN | OUT | OFF.
+
+Success (200) only when a valid transition applies; otherwise 400 and JSON unchanged:
+  - lokasi=IN,  status=ON  + current OFF -> IN
+  - lokasi=OUT, status=ON  + current OFF -> OUT
+  - lokasi=IN,  status=OFF + current IN  -> OFF
+  - lokasi=OUT, status=OFF + current OUT -> OFF
+
+Fixed ports: HTTP 8002, HTTPS 8443 (TLS cannot share a port with plain HTTP).
+"""
+
+from __future__ import annotations
+
+import json
+import os
+import signal
+import ssl
+import subprocess
+import threading
+from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
+from pathlib import Path
+from urllib.parse import parse_qs, urlparse
+
+# Fixed ports — always the same (do not override via env).
+HTTP_PORT = 8002
+HTTPS_PORT = 8443
+BASE_DIR = Path(os.path.dirname(os.path.abspath(__file__)))
+STATE_FILE = Path(
+    os.getenv("STATUS_WEBHOOK_STATE", str(BASE_DIR / "status_webhook_state.json"))
+)
+CERT_FILE = Path(os.getenv("STATUS_WEBHOOK_CERT", str(BASE_DIR / "status_webhook_cert.pem")))
+KEY_FILE = Path(os.getenv("STATUS_WEBHOOK_KEY", str(BASE_DIR / "status_webhook_key.pem")))
+ALLOWED_LOKASI = frozenset({"IN", "OUT"})
+ALLOWED_STATUS = frozenset({"ON", "OFF"})
+ALLOWED_STORED = frozenset({"IN", "OUT", "OFF"})
+
+_lock = threading.Lock()
+
+
+def normalize_lokasi(value: str | None) -> str | None:
+    if value is None:
+        return None
+    value = value.strip().upper()
+    return value if value in ALLOWED_LOKASI else None
+
+
+def normalize_request_status(value: str | None) -> str | None:
+    if value is None:
+        return None
+    value = value.strip().upper()
+    return value if value in ALLOWED_STATUS else None
+
+
+def normalize_stored(value: str | None) -> str | None:
+    if value is None:
+        return None
+    value = str(value).strip().upper()
+    return value if value in ALLOWED_STORED else None
+
+
+def load_status() -> str | None:
+    try:
+        data = json.loads(STATE_FILE.read_text(encoding="utf-8"))
+    except FileNotFoundError:
+        return None
+    except (OSError, json.JSONDecodeError) as exc:
+        print(f"status_webhook: failed to read state from {STATE_FILE}: {exc}")
+        return None
+    return normalize_stored(data.get("status"))
+
+
+def is_run_status(status: str | None = None) -> bool:
+    """True when counter should run (IN or OUT)."""
+    if status is None:
+        status = load_status()
+    return normalize_stored(status) in ("IN", "OUT")
+
+
+def save_status(status: str) -> None:
+    STATE_FILE.parent.mkdir(parents=True, exist_ok=True)
+    tmp = STATE_FILE.with_suffix(".tmp")
+    payload = {"status": status}
+    tmp.write_text(json.dumps(payload) + "\n", encoding="utf-8")
+    tmp.replace(STATE_FILE)
+
+
+def apply_transition(
+    lokasi: str, status: str, current: str | None
+) -> tuple[str | None, bool]:
+    """Return (new_status, ok). ok True only for a valid transition that stores."""
+    # Treat missing/empty state as OFF so first ON can start a session.
+    effective = current if current is not None else "OFF"
+
+    if status == "ON":
+        if effective == "OFF":
+            return lokasi, True
+        return None, False
+
+    # status == "OFF"
+    if effective == lokasi:
+        return "OFF", True
+    return None, False
+
+
+def ensure_tls_certs() -> None:
+    if CERT_FILE.is_file() and KEY_FILE.is_file():
+        return
+    CERT_FILE.parent.mkdir(parents=True, exist_ok=True)
+    print(
+        f"status_webhook: generating self-signed TLS cert at {CERT_FILE} "
+        f"(set STATUS_WEBHOOK_CERT / STATUS_WEBHOOK_KEY to use your own)"
+    )
+    subprocess.run(
+        [
+            "openssl",
+            "req",
+            "-x509",
+            "-newkey",
+            "rsa:2048",
+            "-keyout",
+            str(KEY_FILE),
+            "-out",
+            str(CERT_FILE),
+            "-days",
+            "365",
+            "-nodes",
+            "-subj",
+            "/CN=status-webhook",
+        ],
+        check=True,
+        capture_output=True,
+        text=True,
+    )
+
+
+class StatusHandler(BaseHTTPRequestHandler):
+    def log_message(self, fmt: str, *args) -> None:
+        print(f"status_webhook: {self.address_string()} - {fmt % args}")
+
+    def do_GET(self) -> None:
+        parsed = urlparse(self.path)
+        path = parsed.path.rstrip("/") or "/"
+        if path == "/status":
+            current = load_status() or "OFF"
+            self._send_json(200, {"status": current})
+            return
+        if path not in ("/", ""):
+            self._send_text(404, "Not Found")
+            return
+
+        params = parse_qs(parsed.query)
+        lokasi_values = params.get("lokasi", [])
+        status_values = params.get("status", [])
+        if (
+            not lokasi_values
+            or lokasi_values[0] == ""
+            or not status_values
+            or status_values[0] == ""
+        ):
+            self._send_text(400, "fail")
+            return
+
+        lokasi = normalize_lokasi(lokasi_values[0])
+        status = normalize_request_status(status_values[0])
+        if lokasi is None or status is None:
+            self._send_text(400, "fail")
+            return
+
+        with _lock:
+            current = load_status()
+            new_status, ok = apply_transition(lokasi, status, current)
+            if not ok or new_status is None:
+                self._send_text(400, "fail")
+                return
+            save_status(new_status)
+
+        self._send_text(200, "success")
+
+    def _send_text(self, code: int, body: str) -> None:
+        raw = body.encode("utf-8")
+        self.send_response(code)
+        self.send_header("Content-Type", "text/plain; charset=utf-8")
+        self.send_header("Content-Length", str(len(raw)))
+        self.end_headers()
+        self.wfile.write(raw)
+
+    def _send_json(self, code: int, payload: dict) -> None:
+        raw = json.dumps(payload).encode("utf-8")
+        self.send_response(code)
+        self.send_header("Content-Type", "application/json; charset=utf-8")
+        self.send_header("Content-Length", str(len(raw)))
+        self.end_headers()
+        self.wfile.write(raw)
+
+
+def make_http_server(port: int = HTTP_PORT) -> ThreadingHTTPServer:
+    return ThreadingHTTPServer(("0.0.0.0", port), StatusHandler)
+
+
+def make_https_server(port: int = HTTPS_PORT) -> ThreadingHTTPServer:
+    ensure_tls_certs()
+    server = ThreadingHTTPServer(("0.0.0.0", port), StatusHandler)
+    ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
+    ctx.load_cert_chain(certfile=str(CERT_FILE), keyfile=str(KEY_FILE))
+    server.socket = ctx.wrap_socket(server.socket, server_side=True)
+    return server
+
+
+def _try_make_server(kind: str, factory) -> ThreadingHTTPServer | None:
+    try:
+        return factory()
+    except OSError as exc:
+        print(f"status_webhook: {kind} port already in use ({exc}); skipping bind")
+        return None
+
+
+def start_background() -> tuple[ThreadingHTTPServer | None, ThreadingHTTPServer | None]:
+    """Start HTTP + HTTPS servers on daemon threads. Safe if ports are taken."""
+    http_server = _try_make_server("HTTP", make_http_server)
+    https_server = _try_make_server("HTTPS", make_https_server)
+
+    if http_server is not None:
+        threading.Thread(
+            target=http_server.serve_forever,
+            name="status-webhook-http",
+            daemon=True,
+        ).start()
+        print(
+            f"status_webhook HTTP  http://0.0.0.0:{HTTP_PORT}/"
+            f"?lokasi=IN|OUT&status=ON|OFF"
+        )
+
+    if https_server is not None:
+        threading.Thread(
+            target=https_server.serve_forever,
+            name="status-webhook-https",
+            daemon=True,
+        ).start()
+        print(
+            f"status_webhook HTTPS https://0.0.0.0:{HTTPS_PORT}/"
+            f"?lokasi=IN|OUT&status=ON|OFF"
+        )
+
+    print(f"status_webhook state file: {STATE_FILE}")
+    return http_server, https_server
+
+
+def stop_servers(
+    http_server: ThreadingHTTPServer | None,
+    https_server: ThreadingHTTPServer | None,
+) -> None:
+    for server in (http_server, https_server):
+        if server is None:
+            continue
+        try:
+            server.shutdown()
+            server.server_close()
+        except Exception as exc:
+            print(f"status_webhook: shutdown error: {exc}")
+
+
+def main() -> None:
+    http_server, https_server = start_background()
+    if http_server is None and https_server is None:
+        raise SystemExit("status_webhook: neither HTTP nor HTTPS could bind")
+
+    stop = threading.Event()
+
+    def _handle_stop(_signum, _frame) -> None:
+        stop.set()
+
+    signal.signal(signal.SIGTERM, _handle_stop)
+    signal.signal(signal.SIGINT, _handle_stop)
+
+    try:
+        # serve_forever already running on threads; park main until stop.
+        while not stop.is_set():
+            stop.wait(3600)
+    finally:
+        print("status_webhook stopped")
+        stop_servers(http_server, https_server)
+
+
+if __name__ == "__main__":
+    main()

status_webhook_cert.pem

@@ -0,0 +1,19 @@
+-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----

status_webhook_key.pem

@@ -0,0 +1,28 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

status_webhook_state.json

@@ -0,0 +1 @@
+{"status": "OFF"}

video_session_writer.py

@@ -0,0 +1,420 @@
+"""
+Per-session video recorder (ByteTrack-counter style).
+
+Encode pending MP4 into SHM (tmpfs), then background-copy to VIDEO_OUTPUT_DIR
+when the session ends. Triggers: webhook OFF→IN/OUT start, IN/OUT→OFF stop.
+
+Uses ffmpeg subprocess when available (reliable on RK3588); falls back to OpenCV
+VideoWriter with multiple fourcc values.
+"""
+
+from __future__ import annotations
+
+import os
+import shutil
+import subprocess
+import threading
+import time
+from datetime import datetime, timedelta
+from pathlib import Path
+
+import cv2
+
+_CODEC_CANDIDATES = ("avc1", "mp4v", "H264", "X264")
+
+
+class _FrameWriter:
+    def write(self, frame) -> None:
+        raise NotImplementedError
+
+    def close(self) -> None:
+        raise NotImplementedError
+
+    def is_open(self) -> bool:
+        raise NotImplementedError
+
+
+class _OpenCVFrameWriter(_FrameWriter):
+    def __init__(self, path: str, w: int, h: int, fps: float, crf: int, preset: str):
+        self._writer = None
+        self._codec = None
+        if crf > 0 or preset:
+            opts = []
+            if crf > 0:
+                opts.append(f"crf;{crf}")
+            if preset:
+                opts.append(f"preset;{preset}")
+            os.environ["OPENCV_FFMPEG_WRITE_OPTIONS"] = "|".join(opts)
+
+        for codec in _CODEC_CANDIDATES:
+            writer = cv2.VideoWriter(
+                path, cv2.VideoWriter_fourcc(*codec), fps, (int(w), int(h))
+            )
+            if writer.isOpened():
+                self._writer = writer
+                self._codec = codec
+                print(f"[RECORD] OpenCV writer codec={codec} fps={fps} size={w}x{h}")
+                return
+
+        if self._writer is not None:
+            self._writer.release()
+
+    def is_open(self) -> bool:
+        return self._writer is not None and self._writer.isOpened()
+
+    def write(self, frame) -> None:
+        if self.is_open():
+            self._writer.write(frame)
+
+    def close(self) -> None:
+        if self._writer is not None:
+            try:
+                self._writer.release()
+            except Exception:
+                pass
+            self._writer = None
+
+
+class _FfmpegPipeWriter(_FrameWriter):
+    """Pipe raw BGR frames to ffmpeg (needs even width/height for libx264)."""
+
+    def __init__(self, path: str, w: int, h: int, fps: float, crf: int, preset: str):
+        self._proc = None
+        self._w = int(w) - (int(w) % 2)
+        self._h = int(h) - (int(h) % 2)
+        self._use_crop = self._w != int(w) or self._h != int(h)
+        if self._w < 2 or self._h < 2:
+            return
+
+        preset_v = preset or "medium"
+        crf_v = str(crf) if crf > 0 else "23"
+        cmd = [
+            "ffmpeg",
+            "-y",
+            "-hide_banner",
+            "-loglevel",
+            "error",
+            "-f",
+            "rawvideo",
+            "-vcodec",
+            "rawvideo",
+            "-s",
+            f"{self._w}x{self._h}",
+            "-pix_fmt",
+            "bgr24",
+            "-r",
+            str(fps),
+            "-i",
+            "-",
+            "-an",
+            "-c:v",
+            "libx264",
+            "-preset",
+            preset_v,
+            "-crf",
+            crf_v,
+            "-pix_fmt",
+            "yuv420p",
+            str(path),
+        ]
+        try:
+            self._proc = subprocess.Popen(
+                cmd,
+                stdin=subprocess.PIPE,
+                stdout=subprocess.DEVNULL,
+                stderr=subprocess.PIPE,
+            )
+            print(
+                f"[RECORD] ffmpeg pipe libx264 fps={fps} size={self._w}x{self._h} → {path}"
+            )
+        except FileNotFoundError:
+            print("[RECORD] ffmpeg not found in PATH")
+        except Exception as exc:
+            print(f"[RECORD] ffmpeg pipe failed to start: {exc}")
+
+    def is_open(self) -> bool:
+        return self._proc is not None and self._proc.poll() is None
+
+    def write(self, frame) -> None:
+        if not self.is_open():
+            return
+        if self._use_crop:
+            frame = frame[: self._h, : self._w]
+        try:
+            self._proc.stdin.write(frame.tobytes())
+        except (BrokenPipeError, OSError) as exc:
+            print(f"[RECORD] ffmpeg pipe write error: {exc}")
+            self.close()
+
+    def close(self) -> None:
+        if self._proc is None:
+            return
+        try:
+            if self._proc.stdin:
+                self._proc.stdin.close()
+        except Exception:
+            pass
+        try:
+            self._proc.wait(timeout=30)
+        except subprocess.TimeoutExpired:
+            self._proc.kill()
+        if self._proc.returncode not in (0, None):
+            err = ""
+            try:
+                err = (self._proc.stderr.read() if self._proc.stderr else b"").decode(
+                    "utf-8", errors="replace"
+                ).strip()
+            except Exception:
+                pass
+            if err:
+                print(f"[RECORD] ffmpeg exit {self._proc.returncode}: {err[:500]}")
+        self._proc = None
+
+
+def _open_frame_writer(path: str, w: int, h: int, fps: float, crf: int, preset: str):
+    if shutil.which("ffmpeg"):
+        writer = _FfmpegPipeWriter(path, w, h, fps, crf, preset)
+        if writer.is_open():
+            return writer
+        writer.close()
+
+    writer = _OpenCVFrameWriter(path, w, h, fps, crf, preset)
+    if writer.is_open():
+        return writer
+    writer.close()
+    print(f"[RECORD] Failed to open any writer for {path}")
+    return None
+
+
+def _copy_and_clean(src: str, dst: str) -> None:
+    try:
+        src_p = Path(src)
+        if not src_p.is_file() or src_p.stat().st_size == 0:
+            print(f"[RECORD] Skip move — missing or empty: {src}")
+            src_p.unlink(missing_ok=True)
+            return
+        Path(dst).parent.mkdir(parents=True, exist_ok=True)
+        shutil.copy2(src, dst)
+        src_p.unlink(missing_ok=True)
+        print(f"[RECORD] Moved: {src} -> {dst}")
+    except Exception as exc:
+        print(f"[RECORD] Move failed {src} -> {dst}: {exc}")
+
+
+class VideoSessionWriter:
+    """IDLE → RECORDING → STOPPING → save/discard → IDLE."""
+
+    IDLE = "IDLE"
+    RECORDING = "RECORDING"
+    STOPPING = "STOPPING"
+
+    def __init__(
+        self,
+        shm_dir: str,
+        video_output_dir: str,
+        w: int,
+        h: int,
+        fps: float,
+        end_delay_sec: float = 1.0,
+        retention_days: int = 3,
+        crf: int = -1,
+        preset: str = "",
+        discard_empty: bool = True,
+    ):
+        self.shm_dir = Path(shm_dir)
+        self.video_output_dir = Path(video_output_dir)
+        self.w = int(w)
+        self.h = int(h)
+        self.fps = float(fps) if fps and fps > 1 else 15.0
+        self.end_delay_sec = float(end_delay_sec)
+        self.retention_days = int(retention_days)
+        self.crf = int(crf)
+        self.preset = preset or ""
+        self.discard_empty = bool(discard_empty)
+
+        self.state = self.IDLE
+        self.state_start = 0.0
+        self.writer: _FrameWriter | None = None
+        self.current_path = None
+        self.direction = "SESSION"
+        self.counting_date = datetime.now().strftime("%Y-%m-%d")
+        self.had_crossing = False
+        self._frames_written = 0
+        self._move_threads: list[threading.Thread] = []
+
+        self.shm_dir.mkdir(parents=True, exist_ok=True)
+        try:
+            self.video_output_dir.mkdir(parents=True, exist_ok=True)
+        except OSError as exc:
+            print(f"[RECORD] WARNING: cannot create VIDEO_OUTPUT_DIR {video_output_dir}: {exc}")
+
+        for stale in self.shm_dir.glob("pending_*.mp4"):
+            try:
+                stale.unlink()
+            except OSError:
+                pass
+        self.cleanup_retention()
+
+    def note_session_start(self, direction: str, counting_date: str | None = None) -> None:
+        direction = (direction or "SESSION").strip().upper()
+        if direction not in ("IN", "OUT"):
+            direction = "SESSION"
+        if counting_date:
+            self.counting_date = counting_date
+
+        if self.state != self.IDLE:
+            print(f"[RECORD] Session start ignored (state={self.state})")
+            return
+
+        if not self._start_recording(direction):
+            print("[RECORD] Session start failed — no encoder opened")
+            return
+
+        self.state = self.RECORDING
+        self.state_start = time.monotonic()
+        self.had_crossing = False
+        self._frames_written = 0
+        print(f"[RECORD] Session active ({direction})")
+
+    def note_crossing(self) -> None:
+        if self.state in (self.RECORDING, self.STOPPING):
+            self.had_crossing = True
+
+    def note_session_end(self) -> None:
+        if self.state != self.RECORDING:
+            return
+
+        if self.discard_empty and not self.had_crossing:
+            print("[RECORD] Session end — discarding (no crossings)")
+            self._stop_and_delete()
+            self.state = self.IDLE
+            return
+
+        self.state = self.STOPPING
+        self.state_start = time.monotonic()
+        print(f"[RECORD] Session stopping (+{self.end_delay_sec}s tail)")
+
+    def feed_frame(self, raw) -> None:
+        now = time.monotonic()
+
+        if self.state == self.STOPPING:
+            if self.writer is not None and self.writer.is_open():
+                self.writer.write(raw)
+                self._frames_written += 1
+            if now - self.state_start >= self.end_delay_sec:
+                self._stop_and_move()
+                self.state = self.IDLE
+            return
+
+        if self.state == self.RECORDING and self.writer is not None and self.writer.is_open():
+            self.writer.write(raw)
+            self._frames_written += 1
+
+    def cleanup_retention(self) -> None:
+        if self.retention_days <= 0:
+            return
+        cutoff = (datetime.now() - timedelta(days=self.retention_days)).strftime("%Y-%m-%d")
+        try:
+            for entry in self.video_output_dir.iterdir():
+                if entry.is_dir() and entry.name < cutoff:
+                    shutil.rmtree(entry, ignore_errors=True)
+                    print(f"[RECORD] Retention removed: {entry}")
+        except OSError as exc:
+            print(f"[RECORD] Retention scan failed: {exc}")
+
+    def shutdown(self) -> None:
+        prev = self.state
+        self._close_writer()
+
+        self.state = self.IDLE
+        path = self.current_path
+        self.current_path = None
+
+        if not path:
+            return
+
+        keep = prev in (self.RECORDING, self.STOPPING) and (
+            not self.discard_empty or self.had_crossing
+        )
+        if keep:
+            dst = self._final_path()
+            self._spawn_move(str(path), str(dst))
+        else:
+            try:
+                Path(path).unlink(missing_ok=True)
+                print(f"[RECORD] Discarding on shutdown: {path}")
+            except OSError:
+                pass
+
+        for t in self._move_threads:
+            t.join(timeout=30.0)
+        self._move_threads.clear()
+
+    def _start_recording(self, direction: str) -> bool:
+        self._close_writer()
+
+        self.direction = direction
+        ts = datetime.now().strftime("%Y%m%d_%H%M%S")
+        path = self.shm_dir / f"pending_{direction}_{ts}.mp4"
+        self.current_path = path
+
+        self.writer = _open_frame_writer(
+            str(path), self.w, self.h, self.fps, self.crf, self.preset
+        )
+        if self.writer is not None and self.writer.is_open():
+            return True
+
+        self._close_writer()
+        self.current_path = None
+        return False
+
+    def _close_writer(self) -> None:
+        if self.writer is not None:
+            try:
+                self.writer.close()
+            except Exception:
+                pass
+            self.writer = None
+
+    def _stop_and_delete(self) -> None:
+        path = self.current_path
+        self._close_writer()
+        self.current_path = None
+        if path:
+            try:
+                Path(path).unlink(missing_ok=True)
+                print(f"[RECORD] Discarded: {path} ({self._frames_written} frames)")
+            except OSError:
+                pass
+
+    def _stop_and_move(self) -> None:
+        path = self.current_path
+        self._close_writer()
+        self.current_path = None
+        if not path:
+            return
+        size = Path(path).stat().st_size if Path(path).is_file() else 0
+        print(f"[RECORD] Stopped: {path} ({self._frames_written} frames, {size} bytes)")
+        if size == 0:
+            Path(path).unlink(missing_ok=True)
+            print(f"[RECORD] Skip move — empty file removed: {path}")
+            return
+        dst = self._final_path()
+        self._spawn_move(str(path), str(dst))
+
+    def _final_path(self) -> Path:
+        day = self.counting_date or datetime.now().strftime("%Y-%m-%d")
+        date_part = day.replace("-", "")
+        ts = datetime.now().strftime("%H%M%S")
+        name = f"{self.direction}_{date_part}_{ts}.mp4"
+        return self.video_output_dir / day / name
+
+    def _spawn_move(self, src: str, dst: str) -> None:
+        t = threading.Thread(
+            target=_copy_and_clean,
+            args=(src, dst),
+            name="record-move",
+            daemon=True,
+        )
+        t.start()
+        self._move_threads.append(t)

zenai-kpc-status-webhook.service

@@ -0,0 +1,32 @@
+[Unit]
+Description=ZenAI KPC Status Webhook (HTTP + HTTPS)
+Documentation=file:///opt/zenai-kpc-python/DEPLOY.md
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=root
+Group=root
+
+WorkingDirectory=/opt/zenai-kpc-python
+EnvironmentFile=/opt/zenai-kpc-python/.env
+Environment=PYTHONNOUSERSITE=1
+Environment=PATH=/opt/zenai-kpc-python/venv/bin:/usr/local/bin:/usr/bin:/bin
+
+ExecStart=/opt/zenai-kpc-python/venv/bin/python status_webhook.py
+
+TimeoutStopSec=15
+KillSignal=SIGTERM
+
+Restart=always
+RestartSec=5
+StartLimitInterval=60s
+StartLimitBurst=3
+
+NoNewPrivileges=true
+ProtectHome=true
+PrivateTmp=false
+
+[Install]
+WantedBy=multi-user.target