analyze performance upgrade

.env.example

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+# IoT PreTester 4.6 Demo - local configuration template
+# Copy to .env and set real values for SECRET_KEY and DJANGO_SUPERUSER_PASSWORD.
+#   cp .env.example .env
+
+# --- Django core -------------------------------------------------------------
+DEBUG=False
+# Required when DEBUG=False. Generate one with:
+#   python3 -c "import secrets; print(secrets.token_urlsafe(64))"
+SECRET_KEY=CHANGE_ME
+ALLOWED_HOSTS=localhost,127.0.0.1
+
+# --- Demo administrator ------------------------------------------------------
+DJANGO_SUPERUSER_USERNAME=admin
+DJANGO_SUPERUSER_EMAIL=admin@example.com
+DJANGO_SUPERUSER_PASSWORD=CHANGE_ME
+INIT_DATABASE=true
+
+# --- CORS --------------------------------------------------------------------
+CORS_ALLOW_ALL_ORIGINS=False
+CORS_ALLOWED_ORIGINS=http://localhost:3000
+
+# --- Ports -------------------------------------------------------------------
+BACKEND_PORT=8000
+FRONTEND_PORT=3000
+
+# --- Capture analysis limits -------------------------------------------------
+# Packets to inspect per capture. 0 reads the capture completely; a 250 MB
+# capture takes well under a minute with the tshark-based extractor.
+CAPTURE_PACKET_LIMIT=0
+# Retained clear-text payload entries (encrypted flows are never retained).
+CAPTURE_MAX_TEXT_PAYLOADS=50000
+CAPTURE_MAX_PAYLOAD_CHARS=16384
+# Extra expected provider domains (comma-separated suffixes). Traffic to these
+# is reported at lower severity, never hidden. Example: vendor-cloud.com,iot.example
+ANALYZER_BENIGN_DOMAINS=
+
+# --- Gunicorn / logging ------------------------------------------------------
+GUNICORN_WORKERS=4
+GUNICORN_TIMEOUT=600
+# debug shows every detector step and the tshark command lines in the logs.
+LOG_LEVEL=info
+
+# --- Frontend ----------------------------------------------------------------
+NODE_ENV=production
+NEXT_PUBLIC_API_URL=http://localhost:8000/api