chore: initialize screenjob project baseline

src/models.py

@@ -0,0 +1,24 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from pathlib import Path
+
+
+@dataclass
+class RunArtifacts:
+    run_id: str
+    root_dir: Path
+    logs_dir: Path
+    shots_dir: Path
+    enhance_dir: Path
+    log_file: Path
+
+
+@dataclass
+class AgentResult:
+    completed: bool
+    result: str
+    steps: int
+    started_at: float
+    ended_at: float
+