Initial commit: site monorepo with API, web, and infra.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/api/app/modules/zootech/sync_content_hash.py

@@ -0,0 +1,37 @@
+from __future__ import annotations
+
+import hashlib
+import json
+from typing import Any
+
+_EXCLUDED_FROM_HASH = frozenset(
+    {
+        "version",
+        "content_hash",
+        "sync_timestamp",
+        "sync_status",
+        "created_at",
+        "updated_at",
+        "created_by",
+        "updated_by",
+        "client_id",
+        "server_synced",
+        "is_deleted",
+        "deleted_at",
+        "deleted_by",
+        "enterprise_id",
+    }
+)
+
+
+def stable_payload_for_hash(data: dict[str, Any]) -> dict[str, Any]:
+    return {k: v for k, v in data.items() if k not in _EXCLUDED_FROM_HASH}
+
+
+def compute_content_hash_hex(payload: dict[str, Any]) -> str:
+    raw = json.dumps(payload, sort_keys=True, ensure_ascii=False, default=str).encode("utf-8")
+    return hashlib.sha256(raw).hexdigest()
+
+
+def compute_content_hash(data: dict[str, Any]) -> str:
+    return compute_content_hash_hex(stable_payload_for_hash(data))