feat: add pcf analysis web app and api

app/config.py

@@ -0,0 +1,64 @@
+from __future__ import annotations
+
+from dataclasses import dataclass
+from pathlib import Path
+from typing import Any
+
+import yaml
+
+
+ROOT_DIR = Path(__file__).resolve().parents[1]
+CONFIG_PATH = ROOT_DIR / "config" / "mapping.yaml"
+
+
+@dataclass
+class AppConfig:
+    path: Path
+    data: dict[str, Any]
+
+    @classmethod
+    def load(cls, path: Path = CONFIG_PATH) -> "AppConfig":
+        with path.open("r", encoding="utf-8") as f:
+            data = yaml.safe_load(f) or {}
+        return cls(path=path, data=data)
+
+    def save(self) -> None:
+        with self.path.open("w", encoding="utf-8") as f:
+            yaml.safe_dump(self.data, f, allow_unicode=True, sort_keys=False)
+
+    @property
+    def defaults(self) -> dict[str, str]:
+        return self.data.setdefault("defaults", {})
+
+    @property
+    def field_mappings(self) -> dict[str, str]:
+        return self.data.setdefault("field_mappings", {})
+
+    @property
+    def dynamic_field_mappings(self) -> dict[str, str]:
+        return self.data.setdefault("dynamic_field_mappings", {})
+
+    @property
+    def ignored_fields(self) -> set[str]:
+        return set(self.data.setdefault("ignored_fields", []))
+
+    @property
+    def bore_map(self) -> dict[str, dict[str, str]]:
+        return self.data.setdefault("bore_map", {})
+
+    @property
+    def deepseek(self) -> dict[str, Any]:
+        return self.data.setdefault("deepseek", {})
+
+    @property
+    def template_path(self) -> Path:
+        configured = self.data.get("template", {}).get("path", "焊接数据导入模版.xls")
+        return ROOT_DIR / configured
+
+    @property
+    def output_sheet(self) -> str:
+        return self.data.get("template", {}).get("output_sheet", "Sheet1")
+
+    @property
+    def confidence_threshold(self) -> float:
+        return float(self.deepseek.get("confidence_threshold", 0.85))