Fix Hardcore leaderboard death overlay

backend/app.py

@@ -1727,6 +1727,7 @@ def _hc_merge_character_rows(rows):
         merged["total_enemies_killed"] = total_kills
         merged["alive"] = alive
         merged["dead_at"] = dead_at
+        _hc_apply_canonical_death_overlay(merged)
         merged["last_seen_at"] = last_seen_at or None
         merged["updated_at"] = updated_at or None
 
@@ -1734,6 +1735,79 @@ def _hc_merge_character_rows(rows):
 
     return combined
 
+
+def _hc_death_overlay_int(value):
+    try:
+        if value is None or value == "":
+            return None
+        return int(value)
+    except Exception:
+        return None
+
+
+def _hc_canonical_accounts_root():
+    import os
+    from pathlib import Path
+
+    return Path(os.environ.get(
+        "PSOPEEPS_HC_CANONICAL_ACCOUNTS_ROOT",
+        "/home/rbatty/.local/share/psopeeps_account_sync/canonical/accounts",
+    ))
+
+
+def _hc_canonical_slot_is_dead(guild_card, character_slot):
+    import json
+
+    account_id = _hc_death_overlay_int(guild_card)
+    slot = _hc_death_overlay_int(character_slot)
+    if account_id is None or slot is None:
+        return False
+
+    players_dir = _hc_canonical_accounts_root() / f"{account_id:010d}" / "system" / "players"
+    if not players_dir.exists():
+        return False
+
+    if any(players_dir.glob(f"player_*_{slot}.psochar.hardcore-dead")):
+        return True
+
+    deaths_log = players_dir / "hardcore-deaths.jsonl"
+    if not deaths_log.exists():
+        return False
+
+    suffix = f"_{slot}.psochar"
+    try:
+        lines = deaths_log.read_text(errors="replace").splitlines()
+    except Exception:
+        return False
+
+    for line in lines:
+        line = line.strip()
+        if not line:
+            continue
+        try:
+            entry = json.loads(line)
+        except Exception:
+            continue
+
+        if _hc_death_overlay_int(entry.get("account_id")) != account_id:
+            continue
+
+        if str(entry.get("character_file") or "").endswith(suffix):
+            return True
+
+    return False
+
+
+def _hc_apply_canonical_death_overlay(row):
+    if _hc_canonical_slot_is_dead(
+        row.get("guild_card") or row.get("account_id"),
+        row.get("character_slot"),
+    ):
+        row["alive"] = False
+        row.setdefault("dead_at", "canonical-hardcore-dead")
+    return row
+
+
 def _hc_combined_payload():
     source_rows, errors = _hc_get_source_characters()
     combined = _hc_merge_character_rows(source_rows)