- start-lab.bat: Set FORGE_DECKS_DIR to D:\ForgeCommander\commander-ai-lab\precon-decks - BatchRunner.java: resolveForgeDecksPath() now checks PRECON_DECKS_DIR env var first, then falls back to the hardcoded precon-decks path, before trying %APPDATA%\Forge\decks\commander. Also pass full absolute path to Forge -d flag. - .env.example: document PRECON_DECKS_DIR variable