Fix migration arguments and add PostgreSQL 17 upgrade script

scripts/install_postgres17.py

@@ -0,0 +1,47 @@
+
+#!/usr/bin/env python3
+import subprocess
+import sys
+
+def run(cmd, check=True):
+    print(f"$ {cmd}")
+    result = subprocess.run(cmd, shell=True, check=check)
+    return result
+
+def main():
+    print("==> Installing dependencies...")
+    run("apt install -y curl ca-certificates")
+
+    print("\n==> Setting up PostgreSQL signing key...")
+    run("install -d /usr/share/postgresql-common/pgdg")
+    run(
+        "curl -o /usr/share/postgresql-common/pgdg/apt.postgresql.org.asc --fail "
+        "https://www.postgresql.org/media/keys/ACCC4CF8.asc"
+    )
+
+    print("\n==> Detecting Ubuntu codename...")
+    codename = subprocess.check_output("lsb_release -cs", shell=True).decode().strip()
+    print(f"    Detected: {codename}")
+
+    print("\n==> Adding PGDG apt repository...")
+    repo_line = (
+        f"deb [signed-by=/usr/share/postgresql-common/pgdg/apt.postgresql.org.asc] "
+        f"https://apt.postgresql.org/pub/repos/apt {codename}-pgdg main"
+    )
+    with open("/etc/apt/sources.list.d/pgdg.list", "w") as f:
+        f.write(repo_line + "\n")
+    print(f"    Written: {repo_line}")
+
+    print("\n==> Updating apt package lists...")
+    run("apt update")
+
+    print("\n==> Installing PostgreSQL 17...")
+    run("apt install -y postgresql-17")
+
+    print("\n✅ PostgreSQL 17 installed successfully.")
+
+if __name__ == "__main__":
+    if subprocess.run("id -u", shell=True, capture_output=True).stdout.strip() != b"0":
+        print("This script must be run as root. Try: sudo python3 install_postgres17.py")
+        sys.exit(1)
+    main()

wcoa/migrations/0030_ohidashboard_body.py

@@ -15,7 +15,7 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='ohidashboard',
             name='body',
-            field=wagtail.fields.StreamField([('content', wagtail.blocks.RichTextBlock(required=False))], default='{"blocks":[{"key":"j9bes","text":"one","type":"ordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}},{"key":"e9r3j","text":"","type":"ordered-list-item","depth":0,"inlineStyleRanges":[],"entityRanges":[],"data":{}}],"entityMap":{}}', use_json_field=True),
+            field=wagtail.fields.StreamField([('content', wagtail.blocks.RichTextBlock(required=False))], default=list, use_json_field=True),
             preserve_default=False,
         ),
     ]