v1.1.0: 增加交互提示、路径输入、窗口属性配置

- main.py: 增加show_banner()启动说明、各阶段[INFO]日志、结果摘要、任意键退出
- file_selector.py: 重写为路径输入→验证→空输入弹窗回退→不存在循环重试
- run.bat: 新建启动脚本(chcp 65001, mode con cols=80 lines=20, color 0B, title固定署名, pause)
- Code/docs/modification-assessment.md: 修改需求评估文档

Releases/v1.0.1/source/models.py

@@ -0,0 +1,60 @@
+"""Data models for PinMAP → PinList conversion."""
+
+from dataclasses import dataclass, field
+
+
+@dataclass
+class Pin:
+    """A single pin on the package."""
+    number: int
+    name: str
+    edge: str  # "top" | "right" | "bottom" | "left"
+    position_on_edge: int
+
+
+@dataclass
+class PinMAP:
+    """Parsed pin map from an Excel file."""
+    package_info: str
+    pins: list[Pin]
+    width: int
+    height: int
+    grid_origin: tuple[int, int]  # (row, col) of top-left corner
+    raw_cells: dict[tuple[int, int], str] = field(default_factory=dict)
+
+
+@dataclass
+class PinList:
+    """Flat pin list for output."""
+    package_info: str
+    rows: list[tuple[str, int]]  # [(PinName, Pin序号), ...]
+
+
+@dataclass
+class ValidationError:
+    """A single validation issue."""
+    level: str  # "error" | "warning"
+    message: str
+    details: str
+
+
+@dataclass
+class ValidationResult:
+    """Aggregate validation result."""
+    is_valid: bool
+    errors: list[ValidationError] = field(default_factory=list)
+    warnings: list[ValidationError] = field(default_factory=list)
+
+
+# ── Custom exceptions ──────────────────────────────────────────────
+
+class PinMapError(Exception):
+    """Base exception for this project."""
+
+
+class FileFormatError(PinMapError):
+    """Raised when a file is not a valid Excel format."""
+
+
+class StructureError(PinMapError):
+    """Raised when the PinMAP structure is invalid or unrecognisable."""