feat: add user_id index to profiles table for faster lookups

The profiles table previously lacked an index on the user_id column, causing full table scans during user lookups. This change adds a B-tree index on user_id to improve query performance for profile retrieval operations.

tests/e2e/projects/index.py

@@ -62,6 +62,8 @@ def _seed_post_with_comments(comment_texts, topic="devlog"):
     marker = f"seedpost-{post_uid[:8]}"
     get_table("posts").insert(
         {
+            "deleted_at": None,
+            "deleted_by": None,
             "uid": post_uid,
             "user_uid": owner,
             "slug": make_combined_slug(marker, post_uid),
@@ -79,6 +81,8 @@ def _seed_post_with_comments(comment_texts, topic="devlog"):
     for i, text in enumerate(comment_texts):
         comments.insert(
             {
+                "deleted_at": None,
+                "deleted_by": None,
                 "uid": str(uuid4()),
                 "target_type": "post",
                 "target_uid": post_uid,
@@ -266,6 +270,8 @@ def _seed_projects(count):
         title = f"Pag Project {i}"
         projects.insert(
             {
+                "deleted_at": None,
+                "deleted_by": None,
                 "uid": uid,
                 "user_uid": owner,
                 "slug": make_combined_slug(title, uid),