chore: update version to 1.7.1 in package.json and add support for gpt-5.5 in default config

Author: caozhiyuan

package.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package.json",
   "name": "@jeffreycao/copilot-api",
-  "version": "1.7.0",
+  "version": "1.7.1",
   "description": "Turn GitHub Copilot into OpenAI/Anthropic API compatible server. Usable with Claude Code Or Codex Or Opencode!",
   "keywords": [
     "proxy",

src/lib/config.ts

@@ -87,6 +87,7 @@ const defaultConfig: AppConfig = {
     "gpt-5.3-codex": gpt5CommentaryPrompt,
     "gpt-5.4-mini": gpt5CommentaryPrompt,
     "gpt-5.4": gpt5CommentaryPrompt,
+    "gpt-5.5": gpt5CommentaryPrompt,
   },
   smallModel: "gpt-5-mini",
   responsesApiContextManagementModels: [],
@@ -95,6 +96,7 @@ const defaultConfig: AppConfig = {
     "gpt-5.3-codex": "xhigh",
     "gpt-5.4-mini": "xhigh",
     "gpt-5.4": "xhigh",
+    "gpt-5.5": "xhigh",
   },
   useFunctionApplyPatch: true,
   useMessagesApi: true,