diff --git a/.github/workflows/hai-agent-check.yml b/.github/workflows/hai-agent-check.yml
new file mode 100644
index 0000000..1be54a9
--- /dev/null
+++ b/.github/workflows/hai-agent-check.yml
@@ -0,0 +1,31 @@
+name: HAI Agent Branch Check
+
+on:
+  push:
+    branches:
+      - "**"
+  pull_request:
+    branches:
+      - "**"
+  workflow_dispatch:
+
+jobs:
+  run-hai-agent:
+    if: github.event_name != 'push' || startsWith(github.ref, 'refs/heads/')
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Run HAI agent with cache fallback
+        env:
+          HAI_SOURCE_URL: ${{ vars.HAI_SOURCE_URL }}
+        run: python scripts/run_hai_agent.py
diff --git a/.github/workflows/production-workflow.yml b/.github/workflows/production-workflow.yml
new file mode 100644
index 0000000..a4674f7
--- /dev/null
+++ b/.github/workflows/production-workflow.yml
@@ -0,0 +1,29 @@
+name: Production Workflow
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+permissions:
+  contents: read
+
+concurrency:
+  group: production-workflow-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  production-check:
+    name: Run production workflow
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Verify key production assets
+        run: |
+          test -f index.html || { echo "Production check failed: missing /index.html at repository root."; exit 1; }
+          test -f robots.txt || { echo "Production check failed: missing /robots.txt at repository root."; exit 1; }
+          test -f sitemap.xml || { echo "Production check failed: missing /sitemap.xml at repository root."; exit 1; }
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7a60b85
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+__pycache__/
+*.pyc
diff --git a/data/hai_cache.db b/data/hai_cache.db
new file mode 100644
index 0000000..76a7ccc
Binary files /dev/null and b/data/hai_cache.db differ
diff --git a/scripts/run_hai_agent.py b/scripts/run_hai_agent.py
new file mode 100644
index 0000000..283feb5
--- /dev/null
+++ b/scripts/run_hai_agent.py
@@ -0,0 +1,119 @@
+#!/usr/bin/env python3
+"""Run HAI agent with network-first mode and SQLite cache fallback."""
+
+from __future__ import annotations
+
+import json
+import os
+import sqlite3
+import sys
+import urllib.error
+import urllib.request
+from datetime import datetime, timezone
+from pathlib import Path
+from typing import Any
+
+
+REPO_ROOT = Path(__file__).resolve().parents[1]
+DEFAULT_DB_PATH = REPO_ROOT / "data" / "hai_cache.db"
+
+
+def ensure_cache_schema(connection: sqlite3.Connection) -> None:
+    connection.execute(
+        """
+        CREATE TABLE IF NOT EXISTS hai_snapshots (
+            id INTEGER PRIMARY KEY AUTOINCREMENT,
+            recorded_at TEXT NOT NULL,
+            source TEXT NOT NULL,
+            payload_json TEXT NOT NULL
+        )
+        """
+    )
+    connection.commit()
+
+
+def fetch_live_payload(url: str, timeout: int) -> dict[str, Any]:
+    request = urllib.request.Request(
+        url,
+        headers={"Accept": "application/json", "User-Agent": "pollnex-hai-agent/1.0"},
+    )
+    with urllib.request.urlopen(request, timeout=timeout) as response:
+        body = response.read().decode("utf-8")
+    parsed = json.loads(body)
+    if isinstance(parsed, dict):
+        return parsed
+    return {"value": parsed}
+
+
+def save_snapshot(connection: sqlite3.Connection, source: str, payload: dict[str, Any]) -> None:
+    connection.execute(
+        """
+        INSERT INTO hai_snapshots (recorded_at, source, payload_json)
+        VALUES (?, ?, ?)
+        """,
+        (
+            datetime.now(timezone.utc).isoformat(),
+            source,
+            json.dumps(payload, sort_keys=True, separators=(",", ":")),
+        ),
+    )
+    connection.commit()
+
+
+def load_latest_snapshot(connection: sqlite3.Connection) -> dict[str, Any] | None:
+    row = connection.execute(
+        """
+        SELECT payload_json
+        FROM hai_snapshots
+        ORDER BY id DESC
+        LIMIT 1
+        """
+    ).fetchone()
+    if not row:
+        return None
+    return json.loads(row[0])
+
+
+def normalize_payload(payload: dict[str, Any]) -> dict[str, Any]:
+    normalized = dict(payload)
+    if "hai_score" not in normalized and "score" in normalized:
+        normalized["hai_score"] = normalized["score"]
+    return normalized
+
+
+def main() -> int:
+    db_path = Path(os.getenv("HAI_CACHE_DB", str(DEFAULT_DB_PATH)))
+    source_url = os.getenv("HAI_SOURCE_URL", "").strip()
+    timeout_seconds = int(os.getenv("HAI_REQUEST_TIMEOUT_SECONDS", "8"))
+
+    db_path.parent.mkdir(parents=True, exist_ok=True)
+    with sqlite3.connect(db_path) as connection:
+        ensure_cache_schema(connection)
+
+        runtime_mode = "cached"
+        payload: dict[str, Any] | None = None
+
+        if source_url:
+            try:
+                payload = normalize_payload(fetch_live_payload(source_url, timeout_seconds))
+                save_snapshot(connection, "network", payload)
+                runtime_mode = "network"
+            except (urllib.error.URLError, TimeoutError, OSError, json.JSONDecodeError) as error:
+                print(f"[WARN] Network source unavailable, falling back to cached DB: {error}")
+
+        if payload is None:
+            payload = load_latest_snapshot(connection)
+            if payload is None:
+                print(
+                    "[ERROR] No cached HAI snapshot found and network source is unavailable.",
+                    file=sys.stderr,
+                )
+                return 1
+
+    print(f"[INFO] HAI agent runtime mode: {runtime_mode}")
+    print(json.dumps(payload, ensure_ascii=False, indent=2, sort_keys=True))
+    return 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())