feat(F.16): Gitea plugin review, test & public release — v3.6.0

- Added update_webhook and delete_label tools (58 total Gitea tools)
- 97 unit tests (test_gitea_plugin.py)
- Gitea now public for all users (DEFAULT_PUBLIC_PLUGINS)
- Fixed merge_pull_request optional field handling

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

core/plugin_visibility.py

@@ -8,14 +8,14 @@ Usage:
     from core.plugin_visibility import get_public_plugin_types, is_plugin_public
 
     public_types = get_public_plugin_types()  # {"wordpress", "woocommerce", "supabase"}
-    if is_plugin_public("gitea"):  # False
+    if is_plugin_public("gitea"):  # True
         ...
 """
 
 import os
 
 # Default plugins available to public (OAuth) users
-DEFAULT_PUBLIC_PLUGINS = {"wordpress", "woocommerce", "supabase", "openpanel"}
+DEFAULT_PUBLIC_PLUGINS = {"wordpress", "woocommerce", "supabase", "openpanel", "gitea"}
 
 
 def _parse_plugins(val: str) -> set[str]:

core/settings.py

@@ -3,7 +3,7 @@
 Usage:
     from core.settings import get_setting
 
-    enabled = await get_setting("ENABLED_PLUGINS", "wordpress,woocommerce,supabase,openpanel")
+    enabled = await get_setting("ENABLED_PLUGINS", "wordpress,woocommerce,supabase,openpanel,gitea")
     max_sites = int(await get_setting("MAX_SITES_PER_USER", "10"))
 """
 
@@ -17,7 +17,7 @@ _cached_plugins: set[str] | None = None
 
 # Default values for all managed settings
 SETTING_DEFAULTS: dict[str, str] = {
-    "ENABLED_PLUGINS": "wordpress,woocommerce,supabase,openpanel",
+    "ENABLED_PLUGINS": "wordpress,woocommerce,supabase,openpanel,gitea",
     "MAX_SITES_PER_USER": "10",
     "USER_RATE_LIMIT_PER_MIN": "30",
     "USER_RATE_LIMIT_PER_HR": "500",