feat(scripts): complete data pipeline remediation

Scripts changes:
- Add WNBA abbreviation aliases to team_resolver.py
- Fix NHL stadium coordinates in stadium_resolver.py
- Add validate_aliases.py script for orphan detection
- Update scrapers with improved error handling
- Add DATA_AUDIT.md and REMEDIATION_PLAN.md documentation
- Update alias JSON files with new mappings

iOS bundle updates:
- Update games_canonical.json with latest scraped data
- Update teams_canonical.json and stadiums_canonical.json
- Sync alias files with Scripts versions

All 5 remediation phases complete.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Scripts/league_structure.json

@@ -161,6 +161,105 @@
     "parent_id": "nba_western",
     "display_order": 17
   },
+  {
+    "id": "nfl_league",
+    "sport": "NFL",
+    "type": "league",
+    "name": "National Football League",
+    "abbreviation": "NFL",
+    "parent_id": null,
+    "display_order": 18
+  },
+  {
+    "id": "nfl_afc",
+    "sport": "NFL",
+    "type": "conference",
+    "name": "American Football Conference",
+    "abbreviation": "AFC",
+    "parent_id": "nfl_league",
+    "display_order": 19
+  },
+  {
+    "id": "nfl_nfc",
+    "sport": "NFL",
+    "type": "conference",
+    "name": "National Football Conference",
+    "abbreviation": "NFC",
+    "parent_id": "nfl_league",
+    "display_order": 20
+  },
+  {
+    "id": "nfl_afc_east",
+    "sport": "NFL",
+    "type": "division",
+    "name": "AFC East",
+    "abbreviation": null,
+    "parent_id": "nfl_afc",
+    "display_order": 21
+  },
+  {
+    "id": "nfl_afc_north",
+    "sport": "NFL",
+    "type": "division",
+    "name": "AFC North",
+    "abbreviation": null,
+    "parent_id": "nfl_afc",
+    "display_order": 22
+  },
+  {
+    "id": "nfl_afc_south",
+    "sport": "NFL",
+    "type": "division",
+    "name": "AFC South",
+    "abbreviation": null,
+    "parent_id": "nfl_afc",
+    "display_order": 23
+  },
+  {
+    "id": "nfl_afc_west",
+    "sport": "NFL",
+    "type": "division",
+    "name": "AFC West",
+    "abbreviation": null,
+    "parent_id": "nfl_afc",
+    "display_order": 24
+  },
+  {
+    "id": "nfl_nfc_east",
+    "sport": "NFL",
+    "type": "division",
+    "name": "NFC East",
+    "abbreviation": null,
+    "parent_id": "nfl_nfc",
+    "display_order": 25
+  },
+  {
+    "id": "nfl_nfc_north",
+    "sport": "NFL",
+    "type": "division",
+    "name": "NFC North",
+    "abbreviation": null,
+    "parent_id": "nfl_nfc",
+    "display_order": 26
+  },
+  {
+    "id": "nfl_nfc_south",
+    "sport": "NFL",
+    "type": "division",
+    "name": "NFC South",
+    "abbreviation": null,
+    "parent_id": "nfl_nfc",
+    "display_order": 27
+  },
+  {
+    "id": "nfl_nfc_west",
+    "sport": "NFL",
+    "type": "division",
+    "name": "NFC West",
+    "abbreviation": null,
+    "parent_id": "nfl_nfc",
+    "display_order": 28
+  },
   {
     "id": "nhl_league",
     "sport": "NHL",
@@ -168,7 +267,7 @@
     "name": "National Hockey League",
     "abbreviation": "NHL",
     "parent_id": null,
-    "display_order": 18
+    "display_order": 29
   },
   {
     "id": "nhl_eastern",
@@ -177,7 +276,7 @@
     "name": "Eastern Conference",
     "abbreviation": "East",
     "parent_id": "nhl_league",
-    "display_order": 19
+    "display_order": 30
   },
   {
     "id": "nhl_western",
@@ -186,7 +285,7 @@
     "name": "Western Conference",
     "abbreviation": "West",
     "parent_id": "nhl_league",
-    "display_order": 20
+    "display_order": 31
   },
   {
     "id": "nhl_atlantic",
@@ -195,7 +294,7 @@
     "name": "Atlantic",
     "abbreviation": null,
     "parent_id": "nhl_eastern",
-    "display_order": 21
+    "display_order": 32
   },
   {
     "id": "nhl_metropolitan",
@@ -204,7 +303,7 @@
     "name": "Metropolitan",
     "abbreviation": null,
     "parent_id": "nhl_eastern",
-    "display_order": 22
+    "display_order": 33
   },
   {
     "id": "nhl_central",
@@ -213,7 +312,7 @@
     "name": "Central",
     "abbreviation": null,
     "parent_id": "nhl_western",
-    "display_order": 23
+    "display_order": 34
   },
   {
     "id": "nhl_pacific",
@@ -222,6 +321,51 @@
     "name": "Pacific",
     "abbreviation": null,
     "parent_id": "nhl_western",
-    "display_order": 24
+    "display_order": 35
+  },
+  {
+    "id": "wnba_league",
+    "sport": "WNBA",
+    "type": "league",
+    "name": "Women's National Basketball Association",
+    "abbreviation": "WNBA",
+    "parent_id": null,
+    "display_order": 36
+  },
+  {
+    "id": "mls_league",
+    "sport": "MLS",
+    "type": "league",
+    "name": "Major League Soccer",
+    "abbreviation": "MLS",
+    "parent_id": null,
+    "display_order": 37
+  },
+  {
+    "id": "mls_eastern",
+    "sport": "MLS",
+    "type": "conference",
+    "name": "Eastern Conference",
+    "abbreviation": "East",
+    "parent_id": "mls_league",
+    "display_order": 38
+  },
+  {
+    "id": "mls_western",
+    "sport": "MLS",
+    "type": "conference",
+    "name": "Western Conference",
+    "abbreviation": "West",
+    "parent_id": "mls_league",
+    "display_order": 39
+  },
+  {
+    "id": "nwsl_league",
+    "sport": "NWSL",
+    "type": "league",
+    "name": "National Women's Soccer League",
+    "abbreviation": "NWSL",
+    "parent_id": null,
+    "display_order": 40
   }
-]
+]