rebuild(stage-1): establish isolated application skeleton

2026-07-30 00:46:43 +08:00
parent 6df26a2545
commit 603e73d128
32 changed files with 2691 additions and 0 deletions
@@ -0,0 +1,22 @@
+from __future__ import annotations
+
+import os
+from dataclasses import dataclass
+from pathlib import Path
+
+
+@dataclass(frozen=True, slots=True)
+class Settings:
+    environment: str
+    debug: bool
+    data_directory: Path
+
+    @classmethod
+    def from_environment(cls) -> Settings:
+        environment = os.getenv("APP_ENV", "development").strip().lower()
+        data_directory = Path(os.getenv("APP_DATA_DIR", "data")).resolve()
+        return cls(
+            environment=environment,
+            debug=environment == "development",
+            data_directory=data_directory,
+        )