fix: avoid API-only dependency and pin default categories

config.json

@@ -9,7 +9,16 @@
   "source": {
     "root": "rule/Surge",
     "filename_pattern": "{name}.list",
-    "include_categories": [],
+    "include_categories": [
+      "Apple",
+      "China",
+      "ChinaIPs",
+      "Claude",
+      "Gemini",
+      "Lan",
+      "OpenAI",
+      "Proxy"
+    ],
     "exclude_categories": []
   },
   "output": {

main.py

@@ -12,6 +12,7 @@ from datetime import datetime, timezone
 from pathlib import Path
 from typing import Any
 from urllib.parse import quote
+from urllib.error import HTTPError
 from urllib.request import Request, urlopen
 try:
     import tomllib
@@ -67,6 +68,14 @@ class GiteaClient:
         with urlopen(req) as resp:
             return json.loads(resp.read().decode("utf-8"))
 
+    def _request_text_url(self, url: str) -> str:
+        headers = {"Accept": "text/plain"}
+        if self.token:
+            headers["Authorization"] = f"token {self.token}"
+        req = Request(url, headers=headers)
+        with urlopen(req) as resp:
+            return resp.read().decode("utf-8", errors="replace")
+
     def list_dir(self, owner: str, repo: str, path: str, ref: str) -> list[dict[str, Any]]:
         encoded_path = quote(path.strip("/"), safe="/")
         endpoint = f"/api/v1/repos/{quote(owner)}/{quote(repo)}/contents/{encoded_path}"
@@ -88,7 +97,18 @@ class GiteaClient:
     def read_file(self, owner: str, repo: str, path: str, ref: str) -> str:
         encoded_path = quote(path.strip("/"), safe="/")
         endpoint = f"/api/v1/repos/{quote(owner)}/{quote(repo)}/contents/{encoded_path}"
+        try:
             data = self._request_json(endpoint, {"ref": ref})
+        except HTTPError as exc:
+            if exc.code != 404:
+                raise
+            # Fallback for environments where Gitea API route is not exposed.
+            raw_url = (
+                f"{self.base_url}/{quote(owner)}/{quote(repo)}/raw/branch/"
+                f"{quote(ref)}/{encoded_path}"
+            )
+            return self._request_text_url(raw_url)
+
         if not isinstance(data, dict):
             raise RuntimeError(f"Path is not a file: {path}")
 
@@ -240,6 +260,9 @@ def should_include_category(name: str, cfg: Config, cli_names: set[str]) -> bool
 
 
 def find_categories(client: GiteaClient, cfg: Config, cli_names: set[str]) -> list[str]:
+    if cfg.include_categories:
+        return sorted([n for n in cfg.include_categories if should_include_category(n, cfg, cli_names)])
+
     entries = client.list_dir(cfg.owner, cfg.repo, cfg.source_root, cfg.ref)
     categories: list[str] = []