fix(dashboard): plot live campaign-4 logs; derive ROOT from script location

SAC_LSTM_Bot/tools/plot_progress.py

@@ -4,7 +4,7 @@
 Pure-stdlib SVG output (matplotlib not available on this box).
 Generates ONE file:
    docs/campaign_dashboard.svg - five panels, current (v2) run only:
-     1. test-match win % vs opponents     (campaign_v2_stdout.log eval lines)
+      1. test-match win % vs opponents     (campaign_v4_stdout.log eval lines)
      2. real-fight win % per opponent     (training_log.jsonl, ~100-game buckets)
      3. critic_loss / |actor_loss|        (training_metrics.jsonl, shared log-y)
      4. alpha temperature                 (training_metrics.jsonl, linear)
@@ -556,7 +556,7 @@ def main():
         selftest()
         return
     args = [a for a in sys.argv[1:] if not a.startswith("-")]
-    campaign = Path(args[0]) if len(args) > 0 else ROOT / "campaign_v2_stdout.log"
+    campaign = Path(args[0]) if len(args) > 0 else ROOT / "campaign_v4_stdout.log"
     metrics = Path(args[1]) if len(args) > 1 else ROOT / "training_metrics.jsonl"
     games = Path(args[2]) if len(args) > 2 else ROOT / "training_log.jsonl"
     outdir = Path(args[3]) if len(args) > 3 else ROOT / "docs"