chore: 移除不再使用的 ChanMacro、system、tests。

这些目录已废弃，从仓库中清理。

Co-authored-by: Cursor <cursoragent@cursor.com>

ChanMacro/fetchers/base.py

@@ -1,69 +0,0 @@
-"""
-fetchers/base.py — Abstract base class for all macro data fetchers.
-
-Provides retry logic, rate limiting, and a common interface.
-"""
-
-from abc import ABC, abstractmethod
-from datetime import date as Date
-from typing import Optional
-import logging
-import time
-import requests
-
-
-class BaseFetcher(ABC):
-    """Abstract base for all macro data fetchers."""
-
-    def __init__(self, timeout: int = 30, max_retries: int = 3):
-        self.timeout = timeout
-        self.max_retries = max_retries
-        self.logger = logging.getLogger(self.__class__.__name__)
-
-    def _get(self, url: str, params: Optional[dict] = None,
-             headers: Optional[dict] = None) -> dict:
-        """GET with retry and exponential backoff."""
-        for attempt in range(self.max_retries):
-            try:
-                resp = requests.get(
-                    url, params=params, headers=headers, timeout=self.timeout
-                )
-                resp.raise_for_status()
-                return resp.json()
-            except requests.RequestException as e:
-                wait = 2 ** attempt
-                self.logger.warning(
-                    f"Request failed (attempt {attempt+1}/{self.max_retries}): {e}. "
-                    f"Retrying in {wait}s"
-                )
-                if attempt < self.max_retries - 1:
-                    time.sleep(wait)
-                else:
-                    raise
-
-    def _get_raw(self, url: str, params: Optional[dict] = None,
-                 headers: Optional[dict] = None) -> bytes:
-        """GET raw bytes with retry (for non-JSON endpoints)."""
-        for attempt in range(self.max_retries):
-            try:
-                resp = requests.get(
-                    url, params=params, headers=headers, timeout=self.timeout
-                )
-                resp.raise_for_status()
-                return resp.content
-            except requests.RequestException as e:
-                wait = 2 ** attempt
-                if attempt < self.max_retries - 1:
-                    time.sleep(wait)
-                else:
-                    raise
-
-    @abstractmethod
-    def fetch(self, target_date: Optional[Date] = None) -> list[dict]:
-        """Fetch raw data. Returns list of record dicts."""
-        ...
-
-    @abstractmethod
-    def store(self, db_path: str, records: list[dict]) -> int:
-        """Store raw records into SQLite. Returns count of new rows."""
-        ...