Initial commit

app/main.py

@@ -0,0 +1,51 @@
+"""Application entry logic — invoked by both `python -m app` and the bundled .exe.
+
+Lives as a regular module (not __main__.py) so it can be imported with absolute
+imports from a top-level entry script — PyInstaller doesn't preserve package
+context for the entry script.
+"""
+
+from __future__ import annotations
+
+import logging
+import sys
+
+from app.config import Config
+from app import paths as app_paths
+from app.ui import App
+
+
+def _setup_logging() -> None:
+    try:
+        handler: logging.Handler = logging.FileHandler(
+            app_paths.log_file_path(), encoding="utf-8"
+        )
+    except Exception:
+        handler = logging.StreamHandler(sys.stderr)
+
+    logging.basicConfig(
+        level=logging.INFO,
+        format="%(asctime)s %(levelname)s %(name)s: %(message)s",
+        handlers=[handler],
+    )
+
+
+def main() -> int:
+    _setup_logging()
+    log = logging.getLogger(__name__)
+
+    try:
+        cfg = Config.load()
+    except FileNotFoundError as e:
+        log.error("Config not found: %s", e)
+        print("config.json not found. Put one next to the .exe.", file=sys.stderr)
+        return 2
+    except Exception as e:
+        log.exception("Config load failed")
+        print(f"Failed to load config.json: {e}", file=sys.stderr)
+        return 2
+
+    log.info("Starting app — csv=%s", cfg.resolved_csv_path)
+    app = App(cfg)
+    app.mainloop()
+    return 0