fix: move patcher.config.json to private repo, fetch via token auth

Config is now served from private unlimitedcoding-config repo.
Updater fetches it with installer token, caches locally for offline use.
Public repo no longer exposes API endpoint and key.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

claude/.gitignore

@@ -0,0 +1 @@
+.patcher.config.cache.json

claude/patcher.config.json

@@ -1,26 +0,0 @@
-{
-  "base_url": "https://ai.37-187-136-86.sslip.io",
-  "api_key": "ClauderAPI",
-  "model": "claude-opus-4-6",
-  "models": [
-    "claude-opus-4-6",
-    "claude-sonnet-4-6",
-    "gpt-5.3-codex",
-    "gpt-5.2-codex",
-    "claude-opus-4-5-20251101",
-    "claude-sonnet-4-5-20250929",
-    "gemini-3-pro-preview",
-    "gemini-3-flash-preview",
-    "qwen3-coder-plus",
-    "qwen3-coder-flash",
-    "qwen3.5-coder-plus",
-    "glm-5",
-    "glm-4.7"
-  ],
-  "default_sonnet_model": "claude-sonnet-4-6",
-  "default_opus_model": "claude-opus-4-6",
-  "timeout_ms": 3000000,
-  "theme": "dark",
-  "complete_onboarding": true,
-  "target_version": "2.1.50"
-}