fix(data): add timezone handling for Sports-Reference scrapers and new stadiums

- Add ET timezone (America/New_York) to all Sports-Reference scrapers:
  - NBA: Basketball-Reference times parsed as ET
  - NFL: Pro-Football-Reference times parsed as ET
  - NHL: Hockey-Reference times parsed as ET
  - MLB: Baseball-Reference times parsed as ET
- Document source timezones in scraper docstrings
- Add 11 new stadiums to STADIUM_MAPPINGS:
  - NFL: 5 international venues (Corinthians Arena, Croke Park,
    Olympic Stadium Berlin, Santiago Bernabéu, Tom Benson Hall of Fame)
  - MLS: 4 alternate venues (Miami Freedom Park, Citi Field,
    LA Memorial Coliseum, M&T Bank Stadium)
  - NWSL: 2 alternate venues (Northwestern Medicine Field, ONE Spokane)
- Add 15 stadium aliases for MLS/NWSL team-based lookups
- Fix CanonicalSyncService to sync timezone identifier to SwiftData
- Update debug logging to use stadium timezone for display

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

Scripts/sportstime_parser/scrapers/mlb.py

@@ -2,6 +2,7 @@
 
 from datetime import datetime, date, timedelta
 from typing import Optional
+from zoneinfo import ZoneInfo
 from bs4 import BeautifulSoup
 
 from .base import BaseScraper, RawGameData, ScrapeResult
@@ -28,9 +29,14 @@ class MLBScraper(BaseScraper):
     """MLB schedule scraper with multi-source fallback.
 
     Sources (in priority order):
-    1. Baseball-Reference - Most reliable, complete historical data
-    2. MLB Stats API - Official MLB data
-    3. ESPN API - Backup option
+    1. MLB Stats API - Official MLB data (primary)
+    2. ESPN API - Backup option
+    3. Baseball-Reference - Complete historical data
+
+    Source Timezones:
+    - mlb_api: UTC - ISO 8601 format with "Z" suffix (gameDate field)
+    - espn: UTC - ISO 8601 format with "Z" suffix
+    - baseball_reference: Eastern Time (ET) - times displayed as "7:05 PM ET"
     """
 
     def __init__(self, season: int, **kwargs):
@@ -143,7 +149,22 @@ class MLBScraper(BaseScraper):
                     continue
 
                 try:
-                    game = self._parse_br_game(elem, current_date, source_url)
+                    # Extract game time from the element if present
+                    # Baseball-Reference may have time in a span or in the text
+                    game_time_for_row = None
+                    time_elem = elem.find("span", class_="game_time")
+                    if time_elem:
+                        time_text = time_elem.get_text(strip=True)
+                        if time_text:
+                            try:
+                                # Parse time like "7:05 PM ET" or "1:10 PM"
+                                # Remove timezone suffix if present
+                                time_clean = time_text.replace(" ET", "").replace(" PT", "").replace(" CT", "").replace(" MT", "").strip()
+                                game_time_for_row = datetime.strptime(time_clean, "%I:%M %p")
+                            except ValueError:
+                                pass
+
+                    game = self._parse_br_game(elem, current_date, source_url, game_time_for_row)
                     if game:
                         games.append(game)
                 except Exception as e:
@@ -157,6 +178,7 @@ class MLBScraper(BaseScraper):
         elem,
         game_date: datetime,
         source_url: str,
+        game_time: Optional[datetime] = None,
     ) -> Optional[RawGameData]:
         """Parse a single Baseball-Reference game element."""
         text = elem.get_text(" ", strip=True)
@@ -206,8 +228,17 @@ class MLBScraper(BaseScraper):
             # Third link might be stadium
             stadium = links[2].get_text(strip=True)
 
+        # Combine date and time if time was provided, with ET timezone (Baseball-Reference uses ET)
+        final_game_date = game_date
+        if game_time:
+            final_game_date = game_date.replace(
+                hour=game_time.hour,
+                minute=game_time.minute,
+                tzinfo=ZoneInfo("America/New_York"),
+            )
+
         return RawGameData(
-            game_date=game_date,
+            game_date=final_game_date,
             home_team_raw=home_team,
             away_team_raw=away_team,
             stadium_raw=stadium,