Add proactive token refresh lead times for providers and implement Codex proxy management

open-sse/config/appConstants.js

@@ -146,6 +146,16 @@ export const LOAD_CODE_ASSIST_METADATA = {
 export const CLAUDE_SYSTEM_PROMPT = "You are Claude Code, Anthropic's official CLI for Claude.";
 export const ANTIGRAVITY_DEFAULT_SYSTEM = "You are Antigravity, a powerful agentic AI coding assistant designed by the Google Deepmind team working on Advanced Agentic Coding.You are pair programming with a USER to solve their coding task. The task may require creating a new codebase, modifying or debugging an existing codebase, or simply answering a question.**Absolute paths only****Proactiveness**";
 
+// Proactive token refresh lead times per provider (ms)
+export const REFRESH_LEAD_MS = {
+  codex:       5 * 24 * 60 * 60 * 1000, // 5 days
+  claude:       4 * 60 * 60 * 1000,     // 4 hours
+  iflow:       24 * 60 * 60 * 1000,     // 24 hours
+  qwen:        20 * 60 * 1000,          // 20 minutes
+  "kimi-coding": 5 * 60 * 1000,         // 5 minutes
+  antigravity:  5 * 60 * 1000,          // 5 minutes
+};
+
 // OAuth endpoints
 export const OAUTH_ENDPOINTS = {
   google: {

open-sse/config/codexInstructions.js

@@ -1,5 +1,4 @@
 // Default instructions for Codex models
-// Source: CLIProxyAPI internal/misc/codex_instructions/
 
 export const CODEX_DEFAULT_INSTRUCTIONS = `You are Codex, based on GPT-5. You are running as a coding agent in the Codex CLI on a user's computer.
 

open-sse/executors/codex.js

@@ -150,7 +150,7 @@ export class CodexExecutor extends BaseExecutor {
 
     // Priority: explicit reasoning.effort > reasoning_effort param > model suffix > default (medium)
     if (!body.reasoning) {
-      const effort = body.reasoning_effort || modelEffort || 'medium';
+      const effort = body.reasoning_effort || modelEffort || 'low';
       body.reasoning = { effort, summary: "auto" };
     } else if (!body.reasoning.summary) {
       body.reasoning.summary = "auto";

open-sse/executors/qwen.js

@@ -1,7 +1,7 @@
 import { platform, arch } from "os";
 import { DefaultExecutor } from "./default.js";
 
-/** portal.qwen.ai — aligned with CLIProxyAPI qwen_executor */
+/** portal.qwen.ai */
 const qwenCodeVersion = "0.13.2";
 const qwenStainless = {
   runtimeVersion: "v22.17.0",

open-sse/services/projectId.js

@@ -1,7 +1,6 @@
 /**
  * Project ID Service - Fetch and cache real Project IDs from Google Cloud Code API
  *
- * Reference: CLIProxyAPI internal/auth/antigravity/auth.go (FetchProjectID + OnboardUser)
  *
  * Instead of generating random project IDs (e.g. "useful-spark-a1b2c"),
  * this service fetches the real Project ID bound to the authenticated user's account.

open-sse/services/tokenRefresh.js

@@ -1,9 +1,14 @@
 import { PROVIDERS } from "../config/providers.js";
-import { OAUTH_ENDPOINTS, GITHUB_COPILOT } from "../config/appConstants.js";
+import { OAUTH_ENDPOINTS, GITHUB_COPILOT, REFRESH_LEAD_MS } from "../config/appConstants.js";
 
-// Token expiry buffer (refresh if expires within 5 minutes)
+// Default token expiry buffer (refresh if expires within 5 minutes)
 export const TOKEN_EXPIRY_BUFFER_MS = 5 * 60 * 1000;
 
+// Get provider-specific refresh lead time, falls back to default buffer
+export function getRefreshLeadMs(provider) {
+  return REFRESH_LEAD_MS[provider] || TOKEN_EXPIRY_BUFFER_MS;
+}
+
 /**
  * Refresh OAuth access token using refresh token
  */

open-sse/translator/helpers/geminiHelper.js

@@ -1,7 +1,6 @@
 // Gemini helper functions for translator
 
 // Unsupported JSON Schema constraints that should be removed for Antigravity
-// Reference: CLIProxyAPI/internal/util/gemini_schema.go (removeUnsupportedKeywords)
 export const UNSUPPORTED_SCHEMA_CONSTRAINTS = [
   // Basic constraints (not supported by Gemini API)
   "minLength", "maxLength", "exclusiveMinimum", "exclusiveMaximum",
@@ -270,7 +269,6 @@ function flattenTypeArrays(obj) {
 }
 
 // Clean JSON Schema for Antigravity API compatibility - removes unsupported keywords recursively
-// Reference: CLIProxyAPI/internal/util/gemini_schema.go
 export function cleanJSONSchemaForAntigravity(schema) {
   if (!schema || typeof schema !== "object") return schema;