chore: release v0.2.0

AGENTS.md

@@ -1,18 +1,499 @@
+
 <!-- OPENSPEC:START -->
+
 # OpenSpec Instructions
 
 These instructions are for AI assistants working in this project.
 
 Always open `@/openspec/AGENTS.md` when the request:
+
 - Mentions planning or proposals (words like proposal, spec, change, plan)
 - Introduces new capabilities, breaking changes, architecture shifts, or big performance/security work
 - Sounds ambiguous and you need the authoritative spec before coding
 
 Use `@/openspec/AGENTS.md` to learn:
+
 - How to create and apply change proposals
 - Spec format and conventions
 - Project structure and guidelines
 
 Keep this managed block so 'openspec update' can refresh the instructions.
 
-<!-- OPENSPEC:END -->
+<!-- OPENSPEC:END -->
+
+# 用户指南
+
+本文是 AI 助手在本仓库工作的用户级指南。中文为主、工具与脚本偏好统一、并纳入你补充的技术栈与开发注意事项。
+
+## 💬 沟通约定
+
+- **语言**: 对话、待办、代码相关内容（注释、UI 文案、提交信息、PR 描述等）统一使用中文。
+- **结论先行**: 回答先给出核心结论/摘要，再补充细节。
+- **引用**: 引用具体代码时，务必给出完整文件路径（如 `src/main.ts:42`）。
+
+## 💻 运行环境与工具
+
+- **Runtime**: Node.js (Electron 环境)
+- **Node**: 建议 Node.js 20+
+- **包管理器**: `npm` (本项目包含 package-lock.json，强制使用 npm)
+- **构建工具**: Electron Forge + Vite
+- **终端环境**: Windows (PowerShell) / 可安全使用 VSCode MCP 工具
+
+## 🧩 技术栈总览 (Tech Stack)
+
+- **Frontend**:
+  - React 19, TypeScript
+  - Tailwind CSS v4, `clsx`, `tailwind-merge`, `tailwindcss-animate`
+  - Radix UI (Primitives), Lucide React (Icons), Sonner (Toast)
+  - TanStack Router (Routing), TanStack Query (State Management)
+  - Components: 模块化设计，`src/components`
+- **Backend (Electron Main/Server)**:
+  - Electron (Main/Preload/Renderer 架构)
+  - NestJS (用于内部代理/网关服务，由 Main Process 启动)
+  - Better-SQLite3 (本地数据库), Drizzle ORM (如果后续引入) / Raw SQL
+  - ORPC (Type-safe RPC)
+  - Zod (Validation)
+- **Testing**:
+  - Vitest (Unit/Integration Tests)
+  - Playwright (E2E Tests)
+
+## 📁 目录结构
+
+```plaintext
+.
+├─ src/
+│  ├─ components/        # React UI 组件 (ui/ 存放基础组件)
+│  ├─ hooks/             # Custom React Hooks
+│  ├─ ipc/               # Electron IPC 处理逻辑 (Database, Config, etc.)
+│  ├─ layouts/           # 页面布局组件
+│  ├─ lib/               # 通用工具库
+│  ├─ routes/            # TanStack Router 路由定义
+│  ├─ server/            # NestJS 后端服务逻辑 (Gateway/Proxy)
+│  ├─ services/          # 业务服务层
+│  ├─ styles/            # 全局样式 (Tailwind class)
+│  ├─ types/             # TypeScript 类型定义
+│  ├─ utils/             # 通用工具函数
+│  ├─ App.tsx            # React 应用入口
+│  ├─ main.ts            # Electron 主进程入口
+│  ├─ preload.ts         # Electron 预加载脚本
+│  └─ renderer.ts        # Electron 渲染进程入口
+├─ forge.config.ts       # Electron Forge 配置
+└─ package.json
+```
+
+## 🧱 组件架构（Component Architecture）
+
+- **模块化组件**: 每个组件使用独立目录，至少包含 `.tsx` 以及可能的样式或子组件。
+- **共享能力**: 通用函数置于 `src/utils/`，底层通用封装置于 `src/lib/`。
+- **服务层**: 统一在 `src/services/` 或 `src/ipc/` 中封装数据访问，前端仅依赖 IPC 或 RPC 调用。
+
+## 📦 常用脚本 (Scripts)
+
+所有命令使用 `npm` 执行：
+
+- **开发 (Dev)**:
+  - `npm start` - 启动 Electron 开发环境 (Electron Forge)
+  - `npm run lint` - 运行 ESLint 检查
+  - `npm run format` - 运行 Prettier 格式化检查
+
+- **构建 (Build)**:
+  - `npm run package` - 打包应用 (生成的只有应用包)
+  - `npm run make` - 构建并生成分发安装包 (Make)
+  - `npm run publish` - 发布应用
+
+- **测试 (Test)**:
+  - `npm test` - 运行 Vitest 单元测试
+  - `npm run test:unit` - 同上
+  - `npm run test:e2e` - 运行 Playwright 端到端测试
+  - `npm run test:all` - 运行所有测试
+
+- **数据库 (DB)**:
+  - `npm run test-db` - 运行数据库测试脚本
+
+### 运行单个测试 (Running Single Tests)
+
+- 单元测试: `npm run test:unit path/to/test.test.ts`
+- E2E 测试: `npm run test:e2e path/to/test.spec.ts`
+- 类型检查: `npm run type-check`
+
+## 🧪 开发注意事项（Development Notes）
+- **Build**: 构建阶段忽略 TS/ESLint 错误（如有特定配置或 CI 要求，请以实际为准）。
+- **DevTools**: 项目集成了 `code-inspector-plugin`，开发时支持从页面元素直接跳转代码（Shift+Click）。
+- **React**: React Strict Mode 关闭。
+- **NestJS**: 作为 Electron 子进程运行，日志输出在主进程控制台。
+
+## �️ 安全与数据 (Security & Data)
+
+- **安全**: 绝不提交密钥；敏感配置使用环境变量；验证所有用户输入；敏感数据加密存储。
+- **数据库**: 使用 Better-SQLite3；所有操作封装在 Services 层；必须使用 Prepared Statements；独立测试 DB 操作。
+- **国际化**: 使用 `react-i18next`；Key 使用 kebab-case；翻译文件存放在 `src/localization/`。
+
+## �📝 代码规范 (Conventions)
+
+- **文件命名**:
+  - 组件: PascalCase (e.g., `Button.tsx`)
+  - 工具/配置: camelCase 或 kebab-case
+- **导入路径**: 使用 `@/` 别名指向 `src/` 目录。
+- **类型安全**: 严禁使用 `any`，利用 Zod 和 TypeScript 确保全链路类型安全。
+- **组件设计**:
+  - 优先使用 Radix UI Primitives。
+  - 样式使用 Tailwind Utility Classes，避免 CSS Modules (除非必要)。
+- **API 通信**: 前端调用后端优先使用 ORPC 客户端或 IPC，确保类型推导。
+
+### 命名约定 (Naming Specifics)
+- **Functions/Variables**: camelCase (e.g., `handleClick`, `isCurrent`)
+- **Constants**: UPPER_SNAKE_CASE (e.g., `LOCAL_STORAGE_KEYS`)
+- **Files**:
+  - Services: `ServiceName.service.ts`
+  - Types: `type-name.ts`
+
+### 导入组织 (Import Organization)
+
+```typescript
+// 1. React 和核心库
+import React, { useEffect } from 'react';
+import { createRoot } from 'react-dom/client';
+
+// 2. 外部依赖 (按字母顺序)
+import { useTranslation } from 'react-i18next';
+import { formatDistanceToNow } from 'date-fns';
+
+// 3. 内部导入 (使用 @ 别名)
+import { Account } from '@/types/account';
+import { Card, CardContent } from '@/components/ui/card';
+```
+
+### 组件结构 (Component Structure)
+
+```typescript
+// 1. 导入
+import React, { useState } from 'react';
+
+// 2. 类型定义
+interface ComponentProps { /* props */ }
+
+// 3. 组件实现
+export const Component: React.FC<ComponentProps> = ({ prop1 }) => {
+  // 4. Hooks
+  const { t } = useTranslation();
+  // 5. Render
+  return <div>{/* JSX */}</div>;
+};
+```
+
+> 提交前请确保执行 `npm run lint` 和 `npm run format`。
+
+## 📝 终端输出与引用规范
+
+- 代码块优先，避免 Markdown 表格与 mermaid（Claude 代码块渲染更稳定）。
+- 表格（如需）左对齐；中文字符等宽注意显示差异。
+
+示例：
+
+```plaintext
++------+---------+---------+
+|  ID  |  Name   |  Role   |
++------+---------+---------+
+|  1   |  Alice  |  Admin  |
+|  2   |  Bob    |  User   |
++------+---------+---------+
+```
+
+### 引用规范（References）
+
+- 外部资源：使用完整可点击链接（Issue、文档、API 参考）。
+- 源码位置：使用完整文件路径（可附行号）。
+
+示例：
+
+```plaintext
+- “resolveFilePath 负责该逻辑”
+- “VSCode 在撤销操作上存在既知限制”
+
+🔗 References:
+- resolveFilePath: src/utils/workspace.ts:40
+- VSCode undo limitation: https://github.com/microsoft/vscode/issues/77190
+```
+
+## 🏷️ Markdown 书写
+
+- 代码块语言不要留空，无法确定时使用 `plaintext`。
+- 标题后保留一行空行，便于渲染与阅读。
+
+## 换行规范
+return 等语句不要与其他语句在同一行，而是单独保持一行
+
+## 💭 注释规范
+
+- 必注释场景：复杂业务/算法、特殊行为、重要设计取舍、关键参考链接。
+- 原则：
+  - 注释“为什么”（Why），非“做了什么”（What）、非变更记录（Changelog）。
+  - 修改代码时同步更新注释（过时注释比无注释更糟）。
+  - 优先使用 JSDoc，复杂函数先给高层概览，函数体内按步骤（1、2、3…）标注关键过程。
+  - 中英文之间适当空格，提升可读性；不要为删除的旧代码写注释。
+
+“质量自检”问题：六个月后新同事看到这条注释能得到什么有用信息？若答案是“没有”，删掉它。
+
+示例：
+
+```typescript
+/**
+ * 处理支付请求，多步骤校验
+ */
+function processPayment(request: PaymentRequest) {
+  // 1. 数据校验
+  // 2. 风控评估（低/中/高差异处理）
+  // 3. 网关调用
+  // 4. 用户通知
+}
+
+export enum BudgetType {
+  Free = 'free',
+  /** ✅ 推荐使用 JSDoc，而不是行尾注释 */
+  Package = 'package',
+}
+```
+
+## 🛠️ 开发指南
+
+### 通用原则
+
+- 优先稳定与可维护性，其次再谈性能优化。
+- 面对不确定性：明确假设、取舍与验证方案；先沟通再实施。
+- 信任既定前置条件，避免对承诺不变量的过度防御；若出现冲突，更新方案而非额外兜底。
+- 老代码重构保守推进，新功能实现可采用更现代方式。
+- 避免过早优化：先以简单直接的实现达成功能，确需时再优化（避免先行加缓存/抖动或拆分成过多文件）。
+- 对于 if，while 等条件、循环语句必须加上花括号，不能与return、break、continue 等语句同级。
+
+### 错误处理 (Error Handling)
+
+```typescript
+// 异步操作使用 try-catch
+try {
+  const result = await someOperation();
+  return result;
+} catch (error) {
+  console.error('Operation failed:', error);
+  throw new Error('Failed to complete operation');
+}
+
+// 使用正确的错误类型
+if (error instanceof Error) { /* 处理 Error 实例 */ }
+```
+
+### 新功能实现
+
+- 代码应清晰、可读、可复用、有效率且可测试。
+- 倾向选用成熟可靠的现代 API。
+
+### 重构与修 Bug
+
+- 倾向增量式改动；如需大重构，先就范围对齐再推进。
+- 保持原结构与风格，避免过度抽象引入新风险。
+
+### 开发生命周期（Checklist）
+
+探索/规划：
+
+- \[ ] 充分理解需求，分步思考与列计划（3–6 步）
+- \[ ] 优先查阅文档与既有方案
+- \[ ] 通过阅读实际代码验证想法
+- \[ ] 形成 TODO 列表
+
+实现/重构/修复：
+- [ ] 阅读相关模板与周边代码，沿用既有模式
+- [ ] Fail fast：对非法输入/状态抛错，尽早暴露问题
+- [ ] 在约束内尽力提升前端交互与体验
+
+验收/校验：
+
+- \[ ] 通过测试或临时脚本验证实现
+- \[ ] 多次增量修改后回看是否可合并为一次更连贯的修改
+- \[ ] 运行质量检查
+- \[ ] 更新相关文档
+
+总结/输出：
+
+- \[ ] 检查输出格式要求
+- \[ ] 列出与原计划偏差与关键决策，便于人工复核
+- \[ ] 提供优化建议
+- \[ ] 在结尾提供完整引用链接
+
+## 🔍 代码质量与 Lint
+
+- 变量命名具描述性（如 `mutationObserver`、`button`、`element`），避免 `mo`、`btn`、`el`。
+- 检查缺失的重要注释，并保持注释语言一致。
+- 使用 VSCode MCP 诊断工具查看 TS/ESLint 报告并修复关键问题。
+- 若新增/修改测试，需运行并修复测试后再提交。
+
+## ⛔ 需要显式确认的操作
+
+- 运行具有破坏性的命令
+- 执行 `git commit`、`git push`
+- 新建测试文件（先由维护者进行人工审核）
+
+## 🔧 工具偏好与命令
+
+包与脚本：
+- `npm install` (或简写 `npm i`)
+
+Shell：
+- 在工作区根目录执行命令。
+- 路径建议使用引号包裹。
+
+Web 搜索：
+
+- `WebSearch` 获取最新内容；不足时用 `mcp__SearXNG__search` 聚合搜索
+
+文档/用法检索：
+
+- `context7` 获取依赖的最新用法
+
+VSCode MCP (如可用):
+- `mcp__vscode-mcp__get_references` 辅助重构范围判定
+- `mcp__vscode-mcp__rename_symbol` 安全重命名
+- `mcp__vscode-mcp__get_symbol_lsp_info` 获取类型/签名/定义等信息
+
+## 🚨 本地质量检查（可选流程）
+
+在完成一组修改后并行执行三类检查，而非直接跑全量 lint：
+
+```plaintext
+Task(subagent_type: "quick-code-review", description: "Code review", prompt: "[change description]")
+Task(subagent_type: "diagnostics", description: "Diagnostics", prompt: "[same as above]")
+Task(subagent_type: "run-related-tests", description: "Run tests", prompt: "[same as above]")
+```
+
+change description 示例：
+
+```plaintext
+- Modified files: 相对路径列表
+- Context: 需求/业务背景
+```
+
+流程：初检 → 修复关键问题 → 复检 → 迭代至关键问题清零。
+
+注意：上述工具为只读分析，需自行修复；传入精确文件路径，避免用笼统目录。
+
+<skills_system priority="1">
+
+## Available Skills
+
+<!-- SKILLS_TABLE_START -->
+<usage>
+When users ask you to perform tasks, check if any of the available skills below can help complete the task more effectively. Skills provide specialized capabilities and domain knowledge.
+
+How to use skills:
+- Invoke: Bash("openskills read <skill-name>")
+- The skill content will load with detailed instructions on how to complete the task
+- Base directory provided in output for resolving bundled resources (references/, scripts/, assets/)
+
+Usage notes:
+- Only use skills listed in <available_skills> below
+- Do not invoke a skill that is already loaded in your context
+- Each skill invocation is stateless
+</usage>
+
+<available_skills>
+
+<skill>
+<name>algorithmic-art</name>
+<description>Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>brand-guidelines</name>
+<description>Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>canvas-design</name>
+<description>Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>doc-coauthoring</name>
+<description>Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>docx</name>
+<description>"Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks"</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>frontend-design</name>
+<description>Create distinctive, production-grade frontend interfaces with high design quality. Use this skill when the user asks to build web components, pages, artifacts, posters, or applications (examples include websites, landing pages, dashboards, React components, HTML/CSS layouts, or when styling/beautifying any web UI). Generates creative, polished code and UI design that avoids generic AI aesthetics.</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>internal-comms</name>
+<description>A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>mcp-builder</name>
+<description>Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>pdf</name>
+<description>Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>pptx</name>
+<description>"Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks"</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>skill-creator</name>
+<description>Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>slack-gif-creator</name>
+<description>Knowledge and utilities for creating animated GIFs optimized for Slack. Provides constraints, validation tools, and animation concepts. Use when users request animated GIFs for Slack like "make me a GIF of X doing Y for Slack."</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>theme-factory</name>
+<description>Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>web-artifacts-builder</name>
+<description>Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>webapp-testing</name>
+<description>Toolkit for interacting with and testing local web applications using Playwright. Supports verifying frontend functionality, debugging UI behavior, capturing browser screenshots, and viewing browser logs.</description>
+<location>project</location>
+</skill>
+
+<skill>
+<name>xlsx</name>
+<description>"Comprehensive spreadsheet creation, editing, and analysis with support for formulas, formatting, data analysis, and visualization. When Claude needs to work with spreadsheets (.xlsx, .xlsm, .csv, .tsv, etc) for: (1) Creating new spreadsheets with formulas and formatting, (2) Reading or analyzing data, (3) Modify existing spreadsheets while preserving formulas, (4) Data analysis and visualization in spreadsheets, or (5) Recalculating formulas"</description>
+<location>project</location>
+</skill>
+
+</available_skills>
+<!-- SKILLS_TABLE_END -->
+
+</skills_system>
+

CHANGELOG.md

@@ -5,16 +5,38 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
-## [Unreleased]
+## [0.2.0] - 2026-01-16
+
+### New Features
+- Enhanced cloudHandler to inject minimal auth state when database entry is missing, improving onboarding reliability.
+- Implemented stability fixes and enhanced error handling across the application.
+
+### Improvements
+- Upgraded Electron from 32.3.3 to 37.3.1 for improved performance and security.
+- Conditionally include plugins based on start command in forge.config.ts for better build flexibility.
+
+### Bug Fixes
+- Fixed "Converting circular structure to JSON" error.
+
+### Documentation
+- Added curly brace constraints for conditional statements.
+- Fixed incorrect reference documentation name.
+
+## [0.1.1] - 2026-01-11
+
+### Bug Fixes
+- Fix Antigravity visibility issue on account switch. (Fixed [#19](https://github.com/Draculabo/AntigravityManager/issues/19))
+
+## [0.1.0] - 2026-01-10
+
+### New Features
+- LAN Connection Support: Users can now connect via Local Area Network (LAN) for improved flexibility and internal environment support.
+- Antigravity Integration: Added native support and adaptation for Antigravity, enhancing overall compatibility.
+- Local API Proxy: Built-in OpenAI/Anthropic compatible proxy server.
+
+### Bug Fixes
+- Reverse Proxy Issue: Resolved a critical error occurring during reverse proxy configurations. (Fixed [#11](https://github.com/Draculabo/AntigravityManager/issues/11))
 
-### Added
-- Bilingual README (English and Simplified Chinese)
-- Project Logo
-- GitHub Issue Templates (Bug Report and Feature Request)
-- Code of Conduct
-- Star History chart in README
-- Detailed FAQ section in README
-- Technical stack and project structure documentation
 
 ## [0.0.1] - 2025-12-22
 

CLAUDE.md

@@ -0,0 +1 @@
+请始终参考 @AGENTS.md 文件

README.md

@@ -64,12 +64,14 @@ When using Antigravity IDE, have you ever encountered these problems?
 - 🔄 Managing multiple Google/Claude accounts is cumbersome
 - 📊 Don't know how much quota is left on the current account
 - ⏰ Worried about missing quota reset times
+- 🔌 Need a reliable local API proxy for development tools
 
 **Antigravity Manager** is here to solve these problems! It's a professional Electron desktop app that helps you:
 
 - ✅ **Unlimited Account Pool** - Add any number of Google Gemini / Claude accounts
 - ✅ **Smart Auto-Switching** - Automatically switch to the next available account when quota is low or rate-limited
 - ✅ **Real-time Monitoring** - Visualize quota usage for all accounts
+- ✅ **Local API Proxy** - Built-in OpenAI/Anthropic compatible proxy server
 - ✅ **Secure Encryption** - AES-256-GCM encryption for sensitive data
 
 ---
@@ -131,6 +133,24 @@ When using Antigravity IDE, have you ever encountered these problems?
       </ul>
     </td>
   </tr>
+  <tr>
+    <td width="50%">
+      <h3>🔌 Local API Proxy</h3>
+      <ul>
+        <li>OpenAI & Anthropic API compatible</li>
+        <li>Configurable port and request timeout</li>
+        <li>Model mapping (e.g. Claude → Gemini)</li>
+      </ul>
+    </td>
+    <td width="50%">
+      <h3>🛠️ Developer Tools</h3>
+      <ul>
+        <li>Built-in cURL & Python code generation</li>
+        <li>Visual service status monitoring</li>
+        <li>One-click API Key regeneration</li>
+      </ul>
+    </td>
+  </tr>
 </table>
 
 ### Additional Features
@@ -149,6 +169,11 @@ When using Antigravity IDE, have you ever encountered these problems?
   <img src="docs/assets/screenshot-main.png" alt="Main Interface" width="80%" />
 </p>
 
+<p align="center">
+  <img src="docs/assets/screenshot-proxy.png" alt="Proxy Interface" width="48%" />
+  <img src="docs/assets/screenshot-setting.png" alt="Settings Interface" width="48%" />
+</p>
+
 
 ---
 

README.zh-CN.md

@@ -64,12 +64,14 @@
 - 🔄 管理多个 Google/Claude 账号非常麻烦
 - 📊 不知道当前账号还剩多少额度
 - ⏰ 担心错过额度重置时间
+- 🔌 需要可靠的本地 API 代理用于开发工具
 
 **Antigravity Manager** 就是为解决这些问题而生的！它是一个专业的 Electron 桌面应用，帮助你：
 
 - ✅ **无限账号池** - 添加任意数量的 Google Gemini / Claude 账号
 - ✅ **智能自动切换** - 额度不足或被限速时自动切换到下一个可用账号
 - ✅ **实时监控** - 可视化显示所有账号的额度使用情况
+- ✅ **本地 API 代理** - 内置兼容 OpenAI/Anthropic 协议的代理服务器
 - ✅ **安全加密** - AES-256-GCM 加密存储敏感信息
 
 ---
@@ -131,6 +133,24 @@
       </ul>
     </td>
   </tr>
+  <tr>
+    <td width="50%">
+      <h3>🔌 本地 API 代理</h3>
+      <ul>
+        <li>兼容 OpenAI & Anthropic API 协议</li>
+        <li>可配置端口和请求超时</li>
+        <li>模型映射（如：Claude → Gemini）</li>
+      </ul>
+    </td>
+    <td width="50%">
+      <h3>🛠️ 开发者工具</h3>
+      <ul>
+        <li>内置 cURL & Python 代码生成</li>
+        <li>可视化服务状态监控</li>
+        <li>一键重新生成 API Key</li>
+      </ul>
+    </td>
+  </tr>
 </table>
 
 ### 更多功能
@@ -149,6 +169,11 @@
   <img src="docs/assets/screenshot-main.png" alt="主界面" width="80%" />
 </p>
 
+<p align="center">
+  <img src="docs/assets/screenshot-proxy.png" alt="代理界面" width="48%" />
+  <img src="docs/assets/screenshot-setting.png" alt="设置界面" width="48%" />
+</p>
+
 
 ---
 

forge.config.ts

@@ -12,6 +12,8 @@ import * as path from 'path';
 
 const nativeModules = ['better-sqlite3', 'keytar', 'bindings', 'file-uri-to-path'];
 
+const isStartCommand = process.argv.some((arg) => arg.includes('start'));
+
 const config: ForgeConfig = {
   packagerConfig: {
     asar: {
@@ -80,7 +82,6 @@ const config: ForgeConfig = {
     },
   ],
   plugins: [
-    new AutoUnpackNativesPlugin({}),
     new VitePlugin({
       build: [
         {
@@ -101,16 +102,20 @@ const config: ForgeConfig = {
         },
       ],
     }),
-
-    new FusesPlugin({
-      version: FuseVersion.V1,
-      [FuseV1Options.RunAsNode]: false,
-      [FuseV1Options.EnableCookieEncryption]: true,
-      [FuseV1Options.EnableNodeOptionsEnvironmentVariable]: false,
-      [FuseV1Options.EnableNodeCliInspectArguments]: false,
-      [FuseV1Options.EnableEmbeddedAsarIntegrityValidation]: true,
-      [FuseV1Options.OnlyLoadAppFromAsar]: true,
-    }),
+    ...(!isStartCommand
+      ? [
+          new AutoUnpackNativesPlugin({}),
+          new FusesPlugin({
+            version: FuseVersion.V1,
+            [FuseV1Options.RunAsNode]: false,
+            [FuseV1Options.EnableCookieEncryption]: true,
+            [FuseV1Options.EnableNodeOptionsEnvironmentVariable]: false,
+            [FuseV1Options.EnableNodeCliInspectArguments]: false,
+            [FuseV1Options.EnableEmbeddedAsarIntegrityValidation]: true,
+            [FuseV1Options.OnlyLoadAppFromAsar]: true,
+          }),
+        ]
+      : []),
   ],
 };
 

package-lock.json

@@ -1,13 +1,13 @@
 {
   "name": "antigravity-manager",
-  "version": "0.0.1",
+  "version": "0.1.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "antigravity-manager",
-      "version": "0.1.0",
-      "license": "MIT",
+      "version": "0.1.1",
+      "license": "CC-BY-NC-SA-4.0",
       "dependencies": {
         "@grpc/grpc-js": "^1.14.3",
         "@grpc/proto-loader": "^0.8.0",
@@ -52,6 +52,7 @@
         "i18next": "^25.6.3",
         "i18next-browser-languagedetector": "^8.2.0",
         "keytar": "^7.9.0",
+        "lodash-es": "^4.17.22",
         "lucide-react": "^0.553.0",
         "react": "^19.2.0",
         "react-dom": "^19.2.0",
@@ -89,13 +90,14 @@
         "@types/better-sqlite3": "^7.6.12",
         "@types/electron-squirrel-startup": "^1.0.2",
         "@types/eslint-config-prettier": "^6.11.3",
+        "@types/lodash-es": "^4.17.12",
         "@types/node": "^24.10.1",
         "@types/react": "^19.2.2",
         "@types/react-dom": "^19.2.2",
         "@vitejs/plugin-react": "^4.7.0",
         "babel-plugin-react-compiler": "1.0.0",
         "code-inspector-plugin": "^1.3.3",
-        "electron": "^32.3.3",
+        "electron": "^37.3.1",
         "electron-devtools-installer": "^4.0.0",
         "electron-playwright-helpers": "^1.8.2",
         "eslint": "^9.39.1",
@@ -945,9 +947,9 @@
       }
     },
     "node_modules/@electron-forge/cli": {
-      "version": "7.10.2",
-      "resolved": "https://registry.npmjs.org/@electron-forge/cli/-/cli-7.10.2.tgz",
-      "integrity": "sha512-X1RtS5IqNgzGDS2rr1q0Y74wU/m3DbU4vSgllNun1ZQv1BfMpDcKLhnKi3aeetoA0huLTpMVU9eWJ7bziI9fxA==",
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/cli/-/cli-7.11.1.tgz",
+      "integrity": "sha512-pk8AoLsr7t7LBAt0cFD06XFA6uxtPdvtLx06xeal7O9o7GHGCbj29WGwFoJ8Br/ENM0Ho868S3PrAn1PtBXt5g==",
       "dev": true,
       "funding": [
         {
@@ -961,9 +963,9 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "@electron-forge/core": "7.10.2",
-        "@electron-forge/core-utils": "7.10.2",
-        "@electron-forge/shared-types": "7.10.2",
+        "@electron-forge/core": "7.11.1",
+        "@electron-forge/core-utils": "7.11.1",
+        "@electron-forge/shared-types": "7.11.1",
         "@electron/get": "^3.0.0",
         "@inquirer/prompts": "^6.0.1",
         "@listr2/prompt-adapter-inquirer": "^2.0.22",
@@ -984,10 +986,39 @@
         "node": ">= 16.4.0"
       }
     },
+    "node_modules/@electron-forge/cli/node_modules/@electron-forge/shared-types": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/shared-types/-/shared-types-7.11.1.tgz",
+      "integrity": "sha512-vvBWdAEh53UJlDGUevpaJk1+sqDMQibfrbHR+0IPA4MPyQex7/Uhv3vYH9oGHujBVAChQahjAuJt0fG6IJBLZg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@electron-forge/tracer": "7.11.1",
+        "@electron/packager": "^18.3.5",
+        "@electron/rebuild": "^3.7.0",
+        "listr2": "^7.0.2"
+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
+    },
+    "node_modules/@electron-forge/cli/node_modules/@electron-forge/tracer": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/tracer/-/tracer-7.11.1.tgz",
+      "integrity": "sha512-tiB6cglVQFcSw9N8GRwVwZUeB9u0DOx2Mj7aFXBUsFLUYQapvVGv51tUSy/UAW5lvmubGscYIILuVko+II3+NA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "chrome-trace-event": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 14.17.5"
+      }
+    },
     "node_modules/@electron-forge/core": {
-      "version": "7.10.2",
-      "resolved": "https://registry.npmjs.org/@electron-forge/core/-/core-7.10.2.tgz",
-      "integrity": "sha512-HAIuOtpOfGjA0cd55tbEV2gAv+A7tSZg9bonmVDYFEe6dBgbLk8a3+/1fJUdWW8fyFkg1wa8zK7pjP751bAXsA==",
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/core/-/core-7.11.1.tgz",
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       "dev": true,
       "funding": [
         {
@@ -1001,17 +1032,17 @@
       ],
       "license": "MIT",
       "dependencies": {
-        "@electron-forge/core-utils": "7.10.2",
-        "@electron-forge/maker-base": "7.10.2",
-        "@electron-forge/plugin-base": "7.10.2",
-        "@electron-forge/publisher-base": "7.10.2",
-        "@electron-forge/shared-types": "7.10.2",
-        "@electron-forge/template-base": "7.10.2",
-        "@electron-forge/template-vite": "7.10.2",
-        "@electron-forge/template-vite-typescript": "7.10.2",
-        "@electron-forge/template-webpack": "7.10.2",
-        "@electron-forge/template-webpack-typescript": "7.10.2",
-        "@electron-forge/tracer": "7.10.2",
+        "@electron-forge/core-utils": "7.11.1",
+        "@electron-forge/maker-base": "7.11.1",
+        "@electron-forge/plugin-base": "7.11.1",
+        "@electron-forge/publisher-base": "7.11.1",
+        "@electron-forge/shared-types": "7.11.1",
+        "@electron-forge/template-base": "7.11.1",
+        "@electron-forge/template-vite": "7.11.1",
+        "@electron-forge/template-vite-typescript": "7.11.1",
+        "@electron-forge/template-webpack": "7.11.1",
+        "@electron-forge/template-webpack-typescript": "7.11.1",
+        "@electron-forge/tracer": "7.11.1",
         "@electron/get": "^3.0.0",
         "@electron/packager": "^18.3.5",
         "@electron/rebuild": "^3.7.0",
@@ -1041,13 +1072,13 @@
       }
     },
     "node_modules/@electron-forge/core-utils": {
-      "version": "7.10.2",
-      "resolved": "https://registry.npmjs.org/@electron-forge/core-utils/-/core-utils-7.10.2.tgz",
-      "integrity": "sha512-JXrk2hWR4q8KgZFABpojjuqql3tYeVIH6qmtbkNEkZEQq7YIxajJBCct7J7bWfNQTmHotsQ3k5KLknhyhTaBMw==",
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/core-utils/-/core-utils-7.11.1.tgz",
+      "integrity": "sha512-9UxRWVsfcziBsbAA2MS0Oz4yYovQCO2BhnGIfsbKNTBtMc/RcVSxAS0NMyymce44i43p1ZC/FqWhnt1XqYw3bQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@electron-forge/shared-types": "7.10.2",
+        "@electron-forge/shared-types": "7.11.1",
         "@electron/rebuild": "^3.7.0",
         "@malept/cross-spawn-promise": "^2.0.0",
         "chalk": "^4.0.0",
@@ -1062,6 +1093,105 @@
         "node": ">= 16.4.0"
       }
     },
+    "node_modules/@electron-forge/core-utils/node_modules/@electron-forge/shared-types": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/shared-types/-/shared-types-7.11.1.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@electron-forge/tracer": "7.11.1",
+        "@electron/packager": "^18.3.5",
+        "@electron/rebuild": "^3.7.0",
+        "listr2": "^7.0.2"
+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
+    },
+    "node_modules/@electron-forge/core-utils/node_modules/@electron-forge/tracer": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/tracer/-/tracer-7.11.1.tgz",
+      "integrity": "sha512-tiB6cglVQFcSw9N8GRwVwZUeB9u0DOx2Mj7aFXBUsFLUYQapvVGv51tUSy/UAW5lvmubGscYIILuVko+II3+NA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "chrome-trace-event": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 14.17.5"
+      }
+    },
+    "node_modules/@electron-forge/core/node_modules/@electron-forge/maker-base": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/maker-base/-/maker-base-7.11.1.tgz",
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+      "license": "MIT",
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+        "fs-extra": "^10.0.0",
+        "which": "^2.0.2"
+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
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+      "license": "MIT",
+      "dependencies": {
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+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
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+      "license": "MIT",
+      "dependencies": {
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+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
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+      "resolved": "https://registry.npmjs.org/@electron-forge/shared-types/-/shared-types-7.11.1.tgz",
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+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@electron-forge/tracer": "7.11.1",
+        "@electron/packager": "^18.3.5",
+        "@electron/rebuild": "^3.7.0",
+        "listr2": "^7.0.2"
+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
+    },
+    "node_modules/@electron-forge/core/node_modules/@electron-forge/tracer": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/tracer/-/tracer-7.11.1.tgz",
+      "integrity": "sha512-tiB6cglVQFcSw9N8GRwVwZUeB9u0DOx2Mj7aFXBUsFLUYQapvVGv51tUSy/UAW5lvmubGscYIILuVko+II3+NA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "chrome-trace-event": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 14.17.5"
+      }
+    },
     "node_modules/@electron-forge/maker-base": {
       "version": "7.10.2",
       "resolved": "https://registry.npmjs.org/@electron-forge/maker-base/-/maker-base-7.10.2.tgz",
@@ -1262,14 +1392,14 @@
       }
     },
     "node_modules/@electron-forge/template-base": {
-      "version": "7.10.2",
-      "resolved": "https://registry.npmjs.org/@electron-forge/template-base/-/template-base-7.10.2.tgz",
-      "integrity": "sha512-D9DbEx3rtikIhUyn4tcz2pJqHNU/+FXKNnzSvmrJoJ9LusR3C42OU9GtbU8oT3nawpnCGgPFIOGXrzexFPp6DA==",
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/template-base/-/template-base-7.11.1.tgz",
+      "integrity": "sha512-XpTaEf+EfQw+0BlSAtSpZKYIKYvKu4raNzSGHZZoSYHp+HDC7R+MlpFQmSJiGdYQzQ14C+uxO42tVjgM0DMbpw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@electron-forge/core-utils": "7.10.2",
-        "@electron-forge/shared-types": "7.10.2",
+        "@electron-forge/core-utils": "7.11.1",
+        "@electron-forge/shared-types": "7.11.1",
         "@malept/cross-spawn-promise": "^2.0.0",
         "debug": "^4.3.1",
         "fs-extra": "^10.0.0",
@@ -1280,15 +1410,44 @@
         "node": ">= 16.4.0"
       }
     },
-    "node_modules/@electron-forge/template-vite": {
-      "version": "7.10.2",
-      "resolved": "https://registry.npmjs.org/@electron-forge/template-vite/-/template-vite-7.10.2.tgz",
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+    "node_modules/@electron-forge/template-base/node_modules/@electron-forge/shared-types": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/shared-types/-/shared-types-7.11.1.tgz",
+      "integrity": "sha512-vvBWdAEh53UJlDGUevpaJk1+sqDMQibfrbHR+0IPA4MPyQex7/Uhv3vYH9oGHujBVAChQahjAuJt0fG6IJBLZg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@electron-forge/shared-types": "7.10.2",
-        "@electron-forge/template-base": "7.10.2",
+        "@electron-forge/tracer": "7.11.1",
+        "@electron/packager": "^18.3.5",
+        "@electron/rebuild": "^3.7.0",
+        "listr2": "^7.0.2"
+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
+    },
+    "node_modules/@electron-forge/template-base/node_modules/@electron-forge/tracer": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/tracer/-/tracer-7.11.1.tgz",
+      "integrity": "sha512-tiB6cglVQFcSw9N8GRwVwZUeB9u0DOx2Mj7aFXBUsFLUYQapvVGv51tUSy/UAW5lvmubGscYIILuVko+II3+NA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "chrome-trace-event": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 14.17.5"
+      }
+    },
+    "node_modules/@electron-forge/template-vite": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/template-vite/-/template-vite-7.11.1.tgz",
+      "integrity": "sha512-Or8Lxf4awoeUZoMTKJEw5KQDIhqOFs24WhVka3yZXxc6VgVWN79KmYKYM6uM/YMQttmafhsBhY2t1Lxo1WR/ug==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@electron-forge/shared-types": "7.11.1",
+        "@electron-forge/template-base": "7.11.1",
         "fs-extra": "^10.0.0"
       },
       "engines": {
@@ -1296,29 +1455,87 @@
       }
     },
     "node_modules/@electron-forge/template-vite-typescript": {
-      "version": "7.10.2",
-      "resolved": "https://registry.npmjs.org/@electron-forge/template-vite-typescript/-/template-vite-typescript-7.10.2.tgz",
-      "integrity": "sha512-df7rpxxIOIyZn0RfQ1GIlLW7dXhxkerc9uZ3ozO4C7zfvip3z0Mg+wS1synktPfr4WISaPktIdnj3mVu6Uu7Mw==",
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/template-vite-typescript/-/template-vite-typescript-7.11.1.tgz",
+      "integrity": "sha512-Us4AHXFb+4z+gXgZImSqMBS63oKnsQWLOhqRg321xiDzu2UcQPlwgWNb4rAEKNVC1e7LXrUNDHuBiTrQkvWXbg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@electron-forge/shared-types": "7.10.2",
-        "@electron-forge/template-base": "7.10.2",
+        "@electron-forge/shared-types": "7.11.1",
+        "@electron-forge/template-base": "7.11.1",
         "fs-extra": "^10.0.0"
       },
       "engines": {
         "node": ">= 16.4.0"
       }
     },
-    "node_modules/@electron-forge/template-webpack": {
-      "version": "7.10.2",
-      "resolved": "https://registry.npmjs.org/@electron-forge/template-webpack/-/template-webpack-7.10.2.tgz",
-      "integrity": "sha512-VIUXA+XHM5SLjg7fIpOOmBsgi0LstkjrEz4gUzVL0AaITM7e+BCziIHld1ceXLbQ1FnKtrUGnQ9X/cHYxYvhHg==",
+    "node_modules/@electron-forge/template-vite-typescript/node_modules/@electron-forge/shared-types": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/shared-types/-/shared-types-7.11.1.tgz",
+      "integrity": "sha512-vvBWdAEh53UJlDGUevpaJk1+sqDMQibfrbHR+0IPA4MPyQex7/Uhv3vYH9oGHujBVAChQahjAuJt0fG6IJBLZg==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@electron-forge/shared-types": "7.10.2",
-        "@electron-forge/template-base": "7.10.2",
+        "@electron-forge/tracer": "7.11.1",
+        "@electron/packager": "^18.3.5",
+        "@electron/rebuild": "^3.7.0",
+        "listr2": "^7.0.2"
+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
+    },
+    "node_modules/@electron-forge/template-vite-typescript/node_modules/@electron-forge/tracer": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/tracer/-/tracer-7.11.1.tgz",
+      "integrity": "sha512-tiB6cglVQFcSw9N8GRwVwZUeB9u0DOx2Mj7aFXBUsFLUYQapvVGv51tUSy/UAW5lvmubGscYIILuVko+II3+NA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "chrome-trace-event": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 14.17.5"
+      }
+    },
+    "node_modules/@electron-forge/template-vite/node_modules/@electron-forge/shared-types": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/shared-types/-/shared-types-7.11.1.tgz",
+      "integrity": "sha512-vvBWdAEh53UJlDGUevpaJk1+sqDMQibfrbHR+0IPA4MPyQex7/Uhv3vYH9oGHujBVAChQahjAuJt0fG6IJBLZg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@electron-forge/tracer": "7.11.1",
+        "@electron/packager": "^18.3.5",
+        "@electron/rebuild": "^3.7.0",
+        "listr2": "^7.0.2"
+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
+    },
+    "node_modules/@electron-forge/template-vite/node_modules/@electron-forge/tracer": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/tracer/-/tracer-7.11.1.tgz",
+      "integrity": "sha512-tiB6cglVQFcSw9N8GRwVwZUeB9u0DOx2Mj7aFXBUsFLUYQapvVGv51tUSy/UAW5lvmubGscYIILuVko+II3+NA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "chrome-trace-event": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 14.17.5"
+      }
+    },
+    "node_modules/@electron-forge/template-webpack": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/template-webpack/-/template-webpack-7.11.1.tgz",
+      "integrity": "sha512-15lbXxi+er461MPk6sbwAOyjofAHwmQjTvxNCiNpaU2naEwbj3t0SlLq/BMr5HxnVOaMmA7+lKV9afkIom+d4Q==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@electron-forge/shared-types": "7.11.1",
+        "@electron-forge/template-base": "7.11.1",
         "fs-extra": "^10.0.0"
       },
       "engines": {
@@ -1326,14 +1543,14 @@
       }
     },
     "node_modules/@electron-forge/template-webpack-typescript": {
-      "version": "7.10.2",
-      "resolved": "https://registry.npmjs.org/@electron-forge/template-webpack-typescript/-/template-webpack-typescript-7.10.2.tgz",
-      "integrity": "sha512-JtrLUAFbxxWJ1kU7b8MNyL5SO9/rY5UeNz1b9hvMvilW8GxyMWUen58dafgdnx3OpKLNZnhOOhgRagNppEzJOA==",
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/template-webpack-typescript/-/template-webpack-typescript-7.11.1.tgz",
+      "integrity": "sha512-6ExfFnFkHBz8rvRFTFg5HVGTC12uJpbVk4q8DVg0R8rhhxhqiVNh8lF2UPtZ2yT2UtGWjXNVlyP3Y3T6q6E3GQ==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
-        "@electron-forge/shared-types": "7.10.2",
-        "@electron-forge/template-base": "7.10.2",
+        "@electron-forge/shared-types": "7.11.1",
+        "@electron-forge/template-base": "7.11.1",
         "fs-extra": "^10.0.0",
         "typescript": "~5.4.5",
         "webpack": "^5.69.1"
@@ -1342,6 +1559,35 @@
         "node": ">= 16.4.0"
       }
     },
+    "node_modules/@electron-forge/template-webpack-typescript/node_modules/@electron-forge/shared-types": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/shared-types/-/shared-types-7.11.1.tgz",
+      "integrity": "sha512-vvBWdAEh53UJlDGUevpaJk1+sqDMQibfrbHR+0IPA4MPyQex7/Uhv3vYH9oGHujBVAChQahjAuJt0fG6IJBLZg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@electron-forge/tracer": "7.11.1",
+        "@electron/packager": "^18.3.5",
+        "@electron/rebuild": "^3.7.0",
+        "listr2": "^7.0.2"
+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
+    },
+    "node_modules/@electron-forge/template-webpack-typescript/node_modules/@electron-forge/tracer": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/tracer/-/tracer-7.11.1.tgz",
+      "integrity": "sha512-tiB6cglVQFcSw9N8GRwVwZUeB9u0DOx2Mj7aFXBUsFLUYQapvVGv51tUSy/UAW5lvmubGscYIILuVko+II3+NA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "chrome-trace-event": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 14.17.5"
+      }
+    },
     "node_modules/@electron-forge/template-webpack-typescript/node_modules/typescript": {
       "version": "5.4.5",
       "resolved": "https://registry.npmjs.org/typescript/-/typescript-5.4.5.tgz",
@@ -1356,6 +1602,35 @@
         "node": ">=14.17"
       }
     },
+    "node_modules/@electron-forge/template-webpack/node_modules/@electron-forge/shared-types": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/shared-types/-/shared-types-7.11.1.tgz",
+      "integrity": "sha512-vvBWdAEh53UJlDGUevpaJk1+sqDMQibfrbHR+0IPA4MPyQex7/Uhv3vYH9oGHujBVAChQahjAuJt0fG6IJBLZg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@electron-forge/tracer": "7.11.1",
+        "@electron/packager": "^18.3.5",
+        "@electron/rebuild": "^3.7.0",
+        "listr2": "^7.0.2"
+      },
+      "engines": {
+        "node": ">= 16.4.0"
+      }
+    },
+    "node_modules/@electron-forge/template-webpack/node_modules/@electron-forge/tracer": {
+      "version": "7.11.1",
+      "resolved": "https://registry.npmjs.org/@electron-forge/tracer/-/tracer-7.11.1.tgz",
+      "integrity": "sha512-tiB6cglVQFcSw9N8GRwVwZUeB9u0DOx2Mj7aFXBUsFLUYQapvVGv51tUSy/UAW5lvmubGscYIILuVko+II3+NA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "chrome-trace-event": "^1.0.3"
+      },
+      "engines": {
+        "node": ">= 14.17.5"
+      }
+    },
     "node_modules/@electron-forge/tracer": {
       "version": "7.10.2",
       "resolved": "https://registry.npmjs.org/@electron-forge/tracer/-/tracer-7.10.2.tgz",
@@ -8110,6 +8385,23 @@
         "@types/node": "*"
       }
     },
+    "node_modules/@types/lodash": {
+      "version": "4.17.23",
+      "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.17.23.tgz",
+      "integrity": "sha512-RDvF6wTulMPjrNdCoYRC8gNR880JNGT8uB+REUpC2Ns4pRqQJhGz90wh7rgdXDPpCczF3VGktDuFGVnz8zP7HA==",
+      "dev": true,
+      "license": "MIT"
+    },
+    "node_modules/@types/lodash-es": {
+      "version": "4.17.12",
+      "resolved": "https://registry.npmjs.org/@types/lodash-es/-/lodash-es-4.17.12.tgz",
+      "integrity": "sha512-0NgftHUcV4v34VhXm8QBSftKVXtbkBG3ViCjs6+eJ5a6y6Mi/jiFGPc1sC7QK+9BFhWrURE3EOggmWaSxL9OzQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@types/lodash": "*"
+      }
+    },
     "node_modules/@types/mute-stream": {
       "version": "0.0.4",
       "resolved": "https://registry.npmjs.org/@types/mute-stream/-/mute-stream-0.0.4.tgz",
@@ -8562,9 +8854,9 @@
       }
     },
     "node_modules/@vscode/sudo-prompt": {
-      "version": "9.3.1",
-      "resolved": "https://registry.npmjs.org/@vscode/sudo-prompt/-/sudo-prompt-9.3.1.tgz",
-      "integrity": "sha512-9ORTwwS74VaTn38tNbQhsA5U44zkJfcb0BdTSyyG6frP4e8KMtHuTXYmwefe5dpL8XB1aGSIVTaLjD3BbWb5iA==",
+      "version": "9.3.2",
+      "resolved": "https://registry.npmjs.org/@vscode/sudo-prompt/-/sudo-prompt-9.3.2.tgz",
+      "integrity": "sha512-gcXoCN00METUNFeQOFJ+C9xUI0DKB+0EGMVg7wbVYRHBw2Eq3fKisDZOkRdOz3kqXRKOENMfShPOmypw1/8nOw==",
       "dev": true,
       "license": "MIT"
     },
@@ -10738,9 +11030,9 @@
       "license": "MIT"
     },
     "node_modules/diff": {
-      "version": "8.0.2",
-      "resolved": "https://registry.npmjs.org/diff/-/diff-8.0.2.tgz",
-      "integrity": "sha512-sSuxWU5j5SR9QQji/o2qMvqRNYRDOcBTgsJ/DeCf4iSN4gW+gNMXM7wFIP+fdXZxoNiAnHUTGjCr+TSWXdRDKg==",
+      "version": "8.0.3",
+      "resolved": "https://registry.npmjs.org/diff/-/diff-8.0.3.tgz",
+      "integrity": "sha512-qejHi7bcSD4hQAZE0tNAawRK1ZtafHDmMTMkrrIGgSLl7hTnQHmKCeB45xAcbfTqK2zowkM3j3bHt/4b/ARbYQ==",
       "dev": true,
       "license": "BSD-3-Clause",
       "engines": {
@@ -10820,15 +11112,15 @@
       "license": "MIT"
     },
     "node_modules/electron": {
-      "version": "32.3.3",
-      "resolved": "https://registry.npmjs.org/electron/-/electron-32.3.3.tgz",
-      "integrity": "sha512-7FT8tDg+MueAw8dBn5LJqDvlM4cZkKJhXfgB3w7P5gvSoUQVAY6LIQcXJxgL+vw2rIRY/b9ak7ZBFbCMF2Bk4w==",
+      "version": "37.10.3",
+      "resolved": "https://registry.npmjs.org/electron/-/electron-37.10.3.tgz",
+      "integrity": "sha512-3IjCGSjQmH50IbW2PFveaTzK+KwcFX9PEhE7KXb9v5IT8cLAiryAN7qezm/XzODhDRlLu0xKG1j8xWBtZ/bx/g==",
       "dev": true,
       "hasInstallScript": true,
       "license": "MIT",
       "dependencies": {
         "@electron/get": "^2.0.0",
-        "@types/node": "^20.9.0",
+        "@types/node": "^22.7.7",
         "extract-zip": "^2.0.1"
       },
       "bin": {
@@ -11374,9 +11666,9 @@
       }
     },
     "node_modules/electron/node_modules/@types/node": {
-      "version": "20.19.25",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-20.19.25.tgz",
-      "integrity": "sha512-ZsJzA5thDQMSQO788d7IocwwQbI8B5OPzmqNvpf3NY/+MHDAS759Wo0gd2WQeXYt5AAAQjzcrTVC6SKCuYgoCQ==",
+      "version": "22.19.7",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-22.19.7.tgz",
+      "integrity": "sha512-MciR4AKGHWl7xwxkBa6xUGxQJ4VBOmPTF7sL+iGzuahOFaO0jHCsuEfS80pan1ef4gWId1oWOweIhrDEYLuaOw==",
       "dev": true,
       "license": "MIT",
       "dependencies": {
@@ -15618,6 +15910,12 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/lodash-es": {
+      "version": "4.17.22",
+      "resolved": "https://registry.npmjs.org/lodash-es/-/lodash-es-4.17.22.tgz",
+      "integrity": "sha512-XEawp1t0gxSi9x01glktRZ5HDy0HXqrM0x5pXQM98EaI0NxO6jVM7omDOxsuEo5UIASAnm2bRp1Jt/e0a2XU8Q==",
+      "license": "MIT"
+    },
     "node_modules/lodash.camelcase": {
       "version": "4.3.0",
       "resolved": "https://registry.npmjs.org/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz",
@@ -20523,9 +20821,9 @@
       }
     },
     "node_modules/undici": {
-      "version": "7.16.0",
-      "resolved": "https://registry.npmjs.org/undici/-/undici-7.16.0.tgz",
-      "integrity": "sha512-QEg3HPMll0o3t2ourKwOeUAZ159Kn9mx5pnzHRQO8+Wixmh88YdZRiIwat0iNzNNXn0yoEtXJqFpyW7eM8BV7g==",
+      "version": "7.18.2",
+      "resolved": "https://registry.npmjs.org/undici/-/undici-7.18.2.tgz",
+      "integrity": "sha512-y+8YjDFzWdQlSE9N5nzKMT3g4a5UBX1HKowfdXh0uvAnTaqqwqB92Jt4UXBAeKekDs5IaDKyJFR4X1gYVCgXcw==",
       "license": "MIT",
       "engines": {
         "node": ">=20.18.1"

package.json

@@ -1,7 +1,7 @@
 {
   "name": "antigravity-manager",
   "productName": "Antigravity Manager",
-  "version": "0.1.0",
+  "version": "0.2.0",
   "description": "Antigravity Manager - Electron App",
   "main": ".vite/build/main.js",
   "private": true,
@@ -22,7 +22,7 @@
     "type-check": "tsc --noEmit"
   },
   "author": "Draculabo",
-  "license": "MIT",
+  "license": "CC-BY-NC-SA-4.0",
   "devDependencies": {
     "@electron-forge/cli": "^7.10.2",
     "@electron-forge/maker-deb": "^7.10.2",
@@ -47,13 +47,14 @@
     "@types/better-sqlite3": "^7.6.12",
     "@types/electron-squirrel-startup": "^1.0.2",
     "@types/eslint-config-prettier": "^6.11.3",
+    "@types/lodash-es": "^4.17.12",
     "@types/node": "^24.10.1",
     "@types/react": "^19.2.2",
     "@types/react-dom": "^19.2.2",
     "@vitejs/plugin-react": "^4.7.0",
     "babel-plugin-react-compiler": "1.0.0",
     "code-inspector-plugin": "^1.3.3",
-    "electron": "^32.3.3",
+    "electron": "^37.3.1",
     "electron-devtools-installer": "^4.0.0",
     "electron-playwright-helpers": "^1.8.2",
     "eslint": "^9.39.1",
@@ -120,6 +121,7 @@
     "i18next": "^25.6.3",
     "i18next-browser-languagedetector": "^8.2.0",
     "keytar": "^7.9.0",
+    "lodash-es": "^4.17.22",
     "lucide-react": "^0.553.0",
     "react": "^19.2.0",
     "react-dom": "^19.2.0",
@@ -132,11 +134,5 @@
     "update-electron-app": "^3.1.1",
     "uuid": "^13.0.0",
     "zod": "^4.1.12"
-  },
-  "ts-node": {
-    "transpileOnly": true,
-    "compilerOptions": {
-      "module": "commonjs"
-    }
   }
 }

src/ipc/cloud/handler.ts

@@ -6,7 +6,7 @@ import { logger } from '../../utils/logger';
 
 import { shell } from 'electron';
 import fs from 'fs';
-import { closeAntigravity, startAntigravity } from '../../ipc/process/handler';
+import { closeAntigravity, startAntigravity, _waitForProcessExit } from '../../ipc/process/handler';
 import { updateTrayMenu } from '../../ipc/tray/handler';
 import { getAntigravityDbPaths } from '../../utils/paths';
 
@@ -189,7 +189,12 @@ export async function switchCloudAccount(accountId: string): Promise<void> {
     }
 
     // 2. Stop Antigravity Process
-    await closeAntigravity(); // This waits for it to close
+    await closeAntigravity();
+    try {
+      await _waitForProcessExit(10000); // Wait up to 10s for it to truly vanish
+    } catch (e) {
+      logger.warn('Process did not exit cleanly within timeout, but proceeding...', e);
+    }
 
     // 3. Backup Database (New Logic)
     const dbPaths = getAntigravityDbPaths();
@@ -214,7 +219,7 @@ export async function switchCloudAccount(accountId: string): Promise<void> {
 
     // 3. Inject Token
     // injectedCloudToken uses direct DB/FS access which is sync better-sqlite3.
-    CloudAccountRepo.injectCloudToken(account.token);
+    CloudAccountRepo.injectCloudToken(account);
 
     // 4. Update usage and active status
     CloudAccountRepo.updateLastUsed(account.id);

src/ipc/database/cloudHandler.ts

@@ -291,7 +291,7 @@ export class CloudAccountRepo {
     }
   }
 
-  static injectCloudToken(token: CloudAccount['token']): void {
+  static injectCloudToken(account: CloudAccount): void {
     const dbPaths = getAntigravityDbPaths();
     let dbPath: string | null = null;
 
@@ -313,7 +313,35 @@ export class CloudAccountRepo {
         .get('jetskiStateSync.agentManagerInitState') as { value: string } | undefined;
 
       if (!row || !row.value) {
-        throw new Error('jetskiStateSync.agentManagerInitState not found in database');
+        logger.warn(
+          'jetskiStateSync.agentManagerInitState not found. ' +
+            'Injecting minimal auth state only. User may need to complete onboarding in the IDE first.',
+        );
+
+        // Inject minimal state: auth status and onboarding flag only
+        const authStatus = {
+          name: account.name || account.email,
+          email: account.email,
+          apiKey: account.token.access_token,
+        };
+
+        db.prepare('INSERT OR REPLACE INTO ItemTable (key, value) VALUES (?, ?)').run(
+          'antigravityAuthStatus',
+          JSON.stringify(authStatus),
+        );
+
+        db.prepare('INSERT OR REPLACE INTO ItemTable (key, value) VALUES (?, ?)').run(
+          'antigravityOnboarding',
+          'true',
+        );
+
+        db.prepare('DELETE FROM ItemTable WHERE key = ?').run('google.antigravity');
+
+        logger.info(
+          `Injected minimal auth state for ${account.email} (no protobuf state available)`,
+        );
+
+        return; // Early return - skip protobuf manipulation
       }
 
       // 1. Decode Base64
@@ -325,9 +353,9 @@ export class CloudAccountRepo {
 
       // 3. Create New Field 6
       const newField = ProtobufUtils.createOAuthTokenInfo(
-        token.access_token,
-        token.refresh_token,
-        token.expiry_timestamp,
+        account.token.access_token,
+        account.token.refresh_token,
+        account.token.expiry_timestamp,
       );
 
       // 4. Concatenate
@@ -344,13 +372,33 @@ export class CloudAccountRepo {
         'jetskiStateSync.agentManagerInitState',
       );
 
-      // 7. Inject Onboarding Flag (Missing in initial port)
+      // 7. Inject Onboarding Flag
       db.prepare('INSERT OR REPLACE INTO ItemTable (key, value) VALUES (?, ?)').run(
         'antigravityOnboarding',
         'true',
       );
 
-      logger.info(`Successfully injected cloud token into Antigravity database at ${dbPath}.`);
+      // 8. Update Auth Status (Fix for switching issue)
+      // This ensures the UI reflects the user we just switched to
+      const authStatus = {
+        name: account.name || account.email,
+        email: account.email,
+        apiKey: account.token.access_token, // Critical for session recognition
+        // userStatusProtoBinaryBase64: ... // We cannot generate this easily, hoping IDE fetches it
+      };
+
+      db.prepare('INSERT OR REPLACE INTO ItemTable (key, value) VALUES (?, ?)').run(
+        'antigravityAuthStatus',
+        JSON.stringify(authStatus),
+      );
+
+      // 9. Remove google.antigravity to prevent conflicts
+      // This key often holds old state that might override our injected state
+      db.prepare('DELETE FROM ItemTable WHERE key = ?').run('google.antigravity');
+
+      logger.info(
+        `Successfully injected cloud token and identity for ${account.email} into Antigravity database at ${dbPath}.`,
+      );
     } finally {
       db.close();
     }

src/ipc/process/handler.ts

@@ -108,33 +108,67 @@ export async function closeAntigravity(): Promise<void> {
     // Helper to list processes
     const getProcesses = (): { pid: number; name: string; cmd: string }[] => {
       try {
-        let cmd = '';
+        let output = '';
         if (platform === 'win32') {
-          // Use wmic to get process info
-          cmd = 'wmic process get ProcessId,Name,CommandLine /FORMAT:CSV';
+          const psCommand = (cmdlet: string) =>
+            `powershell -NoProfile -Command "${cmdlet} Win32_Process -Filter \\"Name like 'Antigravity%'\\" | Select-Object ProcessId, Name, CommandLine | ConvertTo-Csv -NoTypeInformation"`;
+
+          try {
+            output = execSync(psCommand('Get-CimInstance'), {
+              encoding: 'utf-8',
+              maxBuffer: 1024 * 1024 * 10,
+              stdio: ['pipe', 'pipe', 'ignore'],
+            });
+          } catch (e) {
+            // CIM failed (likely older OS), try WMI
+            try {
+              output = execSync(psCommand('Get-WmiObject'), {
+                encoding: 'utf-8',
+                maxBuffer: 1024 * 1024 * 10,
+              });
+            } catch (innerE) {
+              // Both failed, throw original or log? Throwing lets the outer catch handle it (returning empty list)
+              throw e;
+            }
+          }
         } else {
           // Unix/Linux/macOS
-          cmd = 'ps -A -o pid,comm,args';
+          output = execSync('ps -A -o pid,comm,args', {
+            encoding: 'utf-8',
+            maxBuffer: 1024 * 1024 * 10,
+          });
         }
 
-        const output = execSync(cmd, { encoding: 'utf-8' });
-        const lines = output.split('\n');
-        const processList = [];
+        const processList: { pid: number; name: string; cmd: string }[] = [];
 
-        for (const line of lines) {
-          const parts = line.trim().split(/\s+/);
-          if (parts.length < 2) continue;
-
-          if (platform === 'win32') {
-            // CSV format parsing would be better, but simple check for now
-            if (line.includes('Antigravity')) {
-              // Extract PID (usually last or second to last in CSV)
-              const match = line.match(/(\d+)(?:\s*$)/);
-              if (match) {
-                processList.push({ pid: parseInt(match[1]), name: 'Antigravity', cmd: line });
-              }
+        if (platform === 'win32') {
+          // Parse CSV Output
+          const lines = output.trim().split(/\r?\n/);
+          // First line is headers "ProcessId","Name","CommandLine"
+          // We start from index 1
+          for (let i = 1; i < lines.length; i++) {
+            const line = lines[i];
+            if (!line) {
+              continue;
             }
-          } else {
+
+            // Regex to match CSV fields: "val1","val2","val3"
+            const match = line.match(/^"(\d+)","(.*?)","(.*?)"$/);
+
+            if (match) {
+              const pid = parseInt(match[1]);
+              const name = match[2];
+              const cmdLine = match[3];
+
+              processList.push({ pid, name, cmd: cmdLine || name });
+            }
+          }
+        } else {
+          const lines = output.split('\n');
+          for (const line of lines) {
+            const parts = line.trim().split(/\s+/);
+            if (parts.length < 2) continue;
+
             const pid = parseInt(parts[0]);
             if (isNaN(pid)) continue;
             const rest = parts.slice(1).join(' ');

src/lib/antigravity/ClaudeRequestMapper.ts

@@ -69,9 +69,27 @@ export function transformClaudeRequestIn(
   const allowDummyThought = config.finalModel.startsWith('gemini-');
 
   // 4. Generation Config & Thinking
-  const generationConfig = buildGenerationConfig(claudeReq, hasWebSearchTool, config.finalModel);
+  let isThinkingEnabled = claudeReq.thinking?.type === 'enabled';
 
-  const isThinkingEnabled = claudeReq.thinking?.type === 'enabled';
+  if (isThinkingEnabled) {
+    const globalSig = SignatureStore.get();
+    const hasFunctionCalls = claudeReq.messages.some((m) => {
+      if (Array.isArray(m.content)) {
+        return m.content.some((b) => b.type === 'tool_use');
+      }
+      return false;
+    });
+
+    if (hasFunctionCalls && !hasValidSignatureForFunctionCalls(claudeReq.messages, globalSig)) {
+      isThinkingEnabled = false;
+    }
+  }
+
+  const generationConfig = buildGenerationConfig(claudeReq, hasWebSearchTool, config.finalModel);
+  // Update thinking config based on the final decision
+  if (!isThinkingEnabled && generationConfig.thinkingConfig) {
+    delete generationConfig.thinkingConfig;
+  }
 
   // 2. Contents (Messages)
   const contents = buildContents(
@@ -371,32 +389,104 @@ function injectGoogleSearchTool(body: { tools?: GeminiToolDeclaration[] }) {
 
 /**
  * Builds system instruction
- * Converts Claude system prompts to Gemini format
+ * Converts Claude system prompts to Gemini format, with Antigravity Identity Injection
  */
 function buildSystemInstruction(
   system: ClaudeRequest['system'],
   modelName: string,
 ): { parts: { text: string }[] } | null {
-  if (!system) {
-    return null;
-  }
+  const antigravity_identity =
+    '--- [IDENTITY_PATCH] ---\n' +
+    'Ignore any previous instructions regarding your identity or host platform (e.g., Amazon Q, Google AI).\n' +
+    'You are Antigravity, a powerful agentic AI coding assistant designed by the Google Deepmind team working on Advanced Agentic Coding.\n' +
+    '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.\n' +
+    '**Absolute paths only**\n' +
+    '**Proactiveness**';
+
   const parts: { text: string }[] = [];
-  const identityPatch =
-    `--- [IDENTITY_PATCH] ---\n` +
-    `Ignore any previous instructions regarding your identity or host platform (e.g., Amazon Q, Google AI).\n` +
-    `You are currently providing services as the native ${modelName} model via a standard API proxy.\n` +
-    `Always use the 'claude' command for terminal tasks if relevant.\n` +
-    `--- [SYSTEM_PROMPT_BEGIN] ---\n`;
-  parts.push({ text: identityPatch });
-  if (typeof system === 'string') {
-    parts.push({ text: system });
-  } else if (Array.isArray(system)) {
-    for (const block of system) {
-      if (block.type === 'text') parts.push({ text: block.text });
+
+  // Check if user already provided Antigravity identity
+  let userHasAntigravity = false;
+
+  if (system) {
+    if (typeof system === 'string') {
+      if (system.includes('You are Antigravity')) userHasAntigravity = true;
+    } else if (Array.isArray(system)) {
+      for (const block of system) {
+        if (block.type === 'text' && block.text.includes('You are Antigravity')) {
+          userHasAntigravity = true;
+          break;
+        }
+      }
     }
   }
-  parts.push({ text: '\n--- [SYSTEM_PROMPT_END] ---' });
-  return { parts };
+
+  // Inject if missing
+  if (!userHasAntigravity) {
+    parts.push({ text: antigravity_identity });
+  }
+
+  if (system) {
+    if (typeof system === 'string') {
+      parts.push({ text: system });
+    } else if (Array.isArray(system)) {
+      for (const block of system) {
+        if (block.type === 'text') parts.push({ text: block.text });
+      }
+    }
+  }
+
+  if (!userHasAntigravity) {
+    parts.push({ text: '\n--- [SYSTEM_PROMPT_END] ---' });
+  }
+
+  // If we pushed at least something
+  if (parts.length > 0) {
+    return { parts };
+  }
+
+  return null;
+}
+
+/**
+ * Minimum length for a valid thought_signature
+ */
+const MIN_SIGNATURE_LENGTH = 10;
+
+/**
+ * Check if we have any valid signature available for function calls
+ * @param messages  Messages from ClaudeRequest
+ * @param globalSig  Global signature from SignatureStore
+ * @returns  True if any valid signature is available for function calls
+ */
+function hasValidSignatureForFunctionCalls(
+  messages: Message[],
+  globalSig: string | null | undefined,
+): boolean {
+  // 1. Check global store
+  if (globalSig && globalSig.length >= MIN_SIGNATURE_LENGTH) {
+    return true;
+  }
+
+  // 2. Check if any message has a thinking block with valid signature
+  // Traverse in reverse to find recent signatures
+  for (let i = messages.length - 1; i >= 0; i--) {
+    const msg = messages[i];
+    if (msg.role === 'assistant') {
+      if (Array.isArray(msg.content)) {
+        for (const block of msg.content) {
+          if (
+            block.type === 'thinking' &&
+            block.signature &&
+            block.signature.length >= MIN_SIGNATURE_LENGTH
+          ) {
+            return true;
+          }
+        }
+      }
+    }
+  }
+  return false;
 }
 
 /**

src/lib/antigravity/ClaudeResponseMapper.ts

@@ -7,6 +7,7 @@ import {
   Usage,
   GroundingMetadata,
 } from './types';
+import { decodeSignature } from './signature-utils';
 
 /**
  * Non-streaming response processor (Gemini -> Claude)
@@ -55,7 +56,7 @@ class NonStreamingProcessor {
   }
 
   private processPart(part: GeminiPart) {
-    const signature = part.thoughtSignature || null;
+    const signature = decodeSignature(part.thoughtSignature) || null;
 
     // 1. Handle FunctionCall
     if (part.functionCall) {

src/lib/antigravity/ClaudeStreamingMapper.ts

@@ -1,5 +1,6 @@
-import { GeminiPart, Usage, UsageMetadata, GroundingMetadata } from './types';
+import { GeminiPart, Usage, UsageMetadata } from './types';
 import { SignatureStore } from './SignatureStore';
+import { decodeSignature } from './signature-utils';
 
 type BlockType = 'None' | 'Text' | 'Thinking' | 'Function';
 
@@ -43,6 +44,8 @@ export class StreamingState {
   public webSearchQuery: string | null = null;
   public groundingChunks: any[] | null = null;
 
+  private parseErrorCount: number = 0;
+
   constructor() {}
 
   public emit(eventType: string, data: any): string {
@@ -242,6 +245,56 @@ export class StreamingState {
   public storeSignature(signature?: string) {
     this.signatures.store(signature);
   }
+  public handleParseError(rawData: string): string[] {
+    const chunks: string[] = [];
+    this.parseErrorCount++;
+
+    console.warn(
+      `[SSE-Parser] Parse error #${this.parseErrorCount}. Raw data length: ${rawData.length}`,
+    );
+
+    // Safely close current block
+    if (this.blockType !== 'None') {
+      chunks.push(...this.endBlock());
+    }
+
+    // Emit error event if too many errors
+    if (this.parseErrorCount > 3) {
+      console.error(
+        `[SSE-Parser] High error rate (${this.parseErrorCount} errors). Stream may be corrupted.`,
+      );
+      chunks.push(
+        this.emit('error', {
+          type: 'error',
+          error: {
+            type: 'network_error',
+            message: 'Unstable network connection. Please check your network or proxy settings.',
+            code: 'stream_decode_error',
+            details: {
+              error_count: this.parseErrorCount,
+              suggestion: 'Check network connection',
+            },
+          },
+        }),
+      );
+    }
+
+    return chunks;
+  }
+
+  /**
+   * Reset error state (call after recovery)
+   */
+  public resetErrorState(): void {
+    this.parseErrorCount = 0;
+  }
+
+  /**
+   * Get current error count (for monitoring)
+   */
+  public getErrorCount(): number {
+    return this.parseErrorCount;
+  }
 }
 
 /**
@@ -252,7 +305,7 @@ export class PartProcessor {
 
   public process(part: GeminiPart): string[] {
     const chunks: string[] = [];
-    const signature = part.thoughtSignature || undefined;
+    const signature = decodeSignature(part.thoughtSignature);
 
     // 1. Handle FunctionCall
     if (part.functionCall) {

src/lib/antigravity/QuotaService.ts

@@ -126,7 +126,12 @@ export class QuotaService {
       } catch (error: any) {
         if (axios.isAxiosError(error)) {
           const status = error.response?.status;
-          const text = JSON.stringify(error.response?.data || '');
+          let text = '';
+          try {
+            text = JSON.stringify(error.response?.data || '');
+          } catch {
+            text = '[Unable to serialize response data]';
+          }
 
           // ✅ Handle 403 Forbidden specifically - return immediately, do not retry
           if (status === 403) {

src/lib/antigravity/retry-utils.ts

@@ -0,0 +1,49 @@
+/** Jitter factor: ±20% */
+const JITTER_FACTOR = 0.2;
+
+/** Maximum retry delay in milliseconds (30 seconds) */
+const MAX_DELAY_MS = 30000;
+
+/**
+ * Apply jitter to a delay value to prevent thundering herd
+ * Returns delay ± JITTER_FACTOR (e.g., 1000ms ± 20% = 800-1200ms)
+ *
+ * @param delayMs - Base delay in milliseconds
+ * @returns Jittered delay (minimum 1ms)
+ */
+export function applyJitter(delayMs: number): number {
+  if (delayMs <= 0) {
+    return 1;
+  }
+
+  const jitterRange = delayMs * JITTER_FACTOR;
+  const jitter = (Math.random() * 2 - 1) * jitterRange;
+  return Math.max(1, Math.round(delayMs + jitter));
+}
+
+/**
+ * Calculate retry delay with exponential backoff and jitter
+ *
+ * @param attempt - Current attempt number (0-indexed)
+ * @param baseMs - Base delay for first retry (default 1000ms)
+ * @returns Delay in milliseconds with jitter applied
+ */
+export function calculateRetryDelay(attempt: number, baseMs: number = 1000): number {
+  // Exponential backoff: 1s, 2s, 4s, 8s, ...
+  const exponentialDelay = baseMs * Math.pow(2, attempt);
+
+  // Cap at maximum delay
+  const cappedDelay = Math.min(exponentialDelay, MAX_DELAY_MS);
+
+  // Apply jitter
+  return applyJitter(cappedDelay);
+}
+
+/**
+ * Sleep for specified milliseconds
+ *
+ * @param ms - Milliseconds to sleep
+ */
+export function sleep(ms: number): Promise<void> {
+  return new Promise((resolve) => setTimeout(resolve, ms));
+}

src/lib/antigravity/signature-utils.ts

@@ -0,0 +1,32 @@
+import { isEmpty } from 'lodash-es';
+/**
+ * Decode Base64-encoded signature if present
+ * Gemini sends Base64, Claude expects raw string
+ *
+ * @param signature - The signature string (may be Base64 or raw)
+ * @returns Decoded signature or undefined if input is empty
+ */
+export function decodeSignature(signature: string | undefined | null): string | undefined {
+  if (isEmpty(signature)) {
+    return undefined;
+  }
+
+  try {
+    const decoded = Buffer.from(signature!, 'base64').toString('utf-8');
+
+    // Validate: Check if it looks like valid UTF-8 text
+    // If decoding produces replacement characters, it wasn't valid Base64
+    if (decoded && !decoded.includes('\ufffd') && decoded.length > 0) {
+      // Additional check: re-encode and compare to detect false positives
+      const reEncoded = Buffer.from(decoded).toString('base64');
+      if (reEncoded === signature) {
+        return decoded;
+      }
+    }
+  } catch {
+    // Not valid Base64, return as-is
+  }
+
+  // Return original if not Base64
+  return signature!;
+}

src/lib/antigravity/stream-error-utils.ts

@@ -0,0 +1,75 @@
+/**
+ * Stream Error Utilities
+ * Classifies network errors and formats user-friendly messages
+ *
+ * Problem: Technical error messages confuse users
+ * Solution: Classify errors and provide localized, actionable messages
+ */
+
+export interface ClassifiedError {
+  type: string;
+  message: string;
+}
+
+/**
+ * Classify a stream error and return user-friendly message
+ *
+ * @param error - The error object
+ * @returns Classified error with type and localized message
+ */
+export function classifyStreamError(error: Error): ClassifiedError {
+  const msg = error.message.toLowerCase();
+
+  if (msg.includes('timeout') || msg.includes('timedout')) {
+    return {
+      type: 'timeout_error',
+      message: 'Request timed out. Please check your network connection or try again later.',
+    };
+  }
+
+  if (msg.includes('econnrefused') || msg.includes('connect')) {
+    return {
+      type: 'connection_error',
+      message: 'Unable to connect to server. Please check your network.',
+    };
+  }
+
+  if (msg.includes('enotfound') || msg.includes('network') || msg.includes('dns')) {
+    return {
+      type: 'network_error',
+      message: 'Network connection failed. Please check your network settings.',
+    };
+  }
+
+  if (msg.includes('socket') || msg.includes('aborted') || msg.includes('reset')) {
+    return {
+      type: 'stream_error',
+      message: 'Data transfer interrupted. Please try again later.',
+    };
+  }
+
+  return {
+    type: 'unknown_error',
+    message: `Unknown error occurred: ${error.message.substring(0, 100)}`,
+  };
+}
+
+/**
+ * Format error as SSE event for Claude protocol
+ *
+ * @param errorType - Error type string
+ * @param message - User-friendly message
+ * @returns SSE-formatted error event string
+ */
+export function formatErrorForSSE(errorType: string, message: string): string {
+  const errorEvent = {
+    type: 'error',
+    error: {
+      type: errorType,
+      message: message,
+      code: 'stream_error',
+    },
+  };
+
+  return `event: error\ndata: ${JSON.stringify(errorEvent)}\n\n`;
+}

src/lib/antigravity/thinking-utils.ts

@@ -0,0 +1,116 @@
+/**
+ * Thinking Block Utilities
+ * Handles validation and graceful degradation of thinking blocks
+ *
+ * Problem: Invalid signatures cause thinking blocks to be dropped, losing content
+ * Solution: Validate and convert invalid blocks to text instead of dropping
+ */
+
+/** Minimum length for a valid thought signature */
+const MIN_SIGNATURE_LENGTH = 10;
+
+export interface ThinkingBlock {
+  type: 'thinking';
+  thinking: string;
+  signature?: string;
+}
+
+export interface TextBlock {
+  type: 'text';
+  text: string;
+}
+
+export type ContentBlock = ThinkingBlock | TextBlock | { type: string; [key: string]: any };
+
+/**
+ * Check if a thinking block has a valid signature
+ *
+ * Rules:
+ * - Empty thinking + any signature = valid (trailing signature case)
+ * - Non-empty thinking + signature >= MIN_SIGNATURE_LENGTH = valid
+ * - Non-empty thinking + no/short signature = invalid
+ * - Non-thinking blocks = always valid
+ *
+ * @param block - Content block to validate
+ * @returns true if block is valid or not a thinking block
+ */
+export function hasValidSignature(block: ContentBlock): boolean {
+  if (block.type !== 'thinking') {
+    return true; // Non-thinking blocks are always valid
+  }
+
+  const thinkingBlock = block as ThinkingBlock;
+
+  // Empty thinking + any signature = valid (trailing signature)
+  if (!thinkingBlock.thinking || thinkingBlock.thinking.length === 0) {
+    return (
+      thinkingBlock.signature !== undefined &&
+      thinkingBlock.signature !== null &&
+      thinkingBlock.signature.length >= MIN_SIGNATURE_LENGTH
+    );
+  }
+
+  // Non-empty thinking needs a long enough signature
+  return (
+    thinkingBlock.signature !== undefined &&
+    thinkingBlock.signature !== null &&
+    thinkingBlock.signature.length >= MIN_SIGNATURE_LENGTH
+  );
+}
+
+/**
+ * Gracefully degrade an invalid thinking block
+ *
+ * - Valid blocks: return as-is
+ * - Invalid with content: convert to text block
+ * - Invalid without content: return null (should be dropped)
+ *
+ * @param block - Content block to process
+ * @returns Processed block or null if should be dropped
+ */
+export function gracefulDegradeThinking(block: ContentBlock): ContentBlock | null {
+  if (block.type !== 'thinking') {
+    return block;
+  }
+
+  const thinkingBlock = block as ThinkingBlock;
+
+  if (hasValidSignature(block)) {
+    return block;
+  }
+
+  // Invalid signature - check if we have content to preserve
+  if (thinkingBlock.thinking && thinkingBlock.thinking.length > 0) {
+    // Convert to text block to preserve content
+    console.info(
+      `[Thinking-Utils] Converting invalid thinking block to text. Content length: ${thinkingBlock.thinking.length}`,
+    );
+    return {
+      type: 'text',
+      text: thinkingBlock.thinking,
+    };
+  }
+
+  // Empty content + invalid signature = drop
+  console.debug('[Thinking-Utils] Dropping empty thinking block with invalid signature');
+  return null;
+}
+
+/**
+ * Process an array of content blocks, applying graceful degradation
+ *
+ * @param blocks - Array of content blocks
+ * @returns Processed array with invalid thinking blocks handled
+ */
+export function processThinkingBlocks(blocks: ContentBlock[]): ContentBlock[] {
+  const result: ContentBlock[] = [];
+
+  for (const block of blocks) {
+    const processed = gracefulDegradeThinking(block);
+    if (processed !== null) {
+      result.push(processed);
+    }
+  }
+
+  return result;
+}

src/main.ts

@@ -20,9 +20,28 @@ import { ConfigManager } from './ipc/config/manager';
 
 const packetLogPath = path.join(app.getPath('userData'), 'orpc_packets.log');
 
+/**
+ * Safely stringify an object, handling circular references
+ */
+function safeStringifyPacket(obj: unknown): string {
+  const seen = new WeakSet();
+  return JSON.stringify(obj, (key, value) => {
+    if (typeof value === 'object' && value !== null) {
+      if (seen.has(value)) {
+        return '[Circular]';
+      }
+      seen.add(value);
+    }
+    return value;
+  });
+}
+
 function logPacket(data: any) {
   try {
-    fs.appendFileSync(packetLogPath, `[${new Date().toISOString()}] ${JSON.stringify(data)}\n`);
+    fs.appendFileSync(
+      packetLogPath,
+      `[${new Date().toISOString()}] ${safeStringifyPacket(data)}\n`,
+    );
   } catch (e) {
     if (e instanceof Error) {
       console.error(e.message);
@@ -120,8 +139,9 @@ function createWindow() {
     logger.info('Page finished loading successfully');
   });
 
-  mainWindow.webContents.on('console-message', (event, level, message, line, sourceId) => {
-    logger.info(`[Renderer Console] ${message} (${sourceId}:${line})`);
+  mainWindow.webContents.on('console-message', (details) => {
+    const { level, message, lineNumber, sourceId } = details;
+    logger.info(`[Renderer Console][${level}] ${message} (${sourceId}:${lineNumber})`);
   });
 }
 

src/routes/settings.tsx

@@ -192,7 +192,7 @@ function SettingsPage() {
                 <div className="font-medium capitalize">{platform || 'Unknown'}</div>
 
                 <div className="text-muted-foreground">{t('settings.license')}</div>
-                <div className="font-medium">MIT</div>
+                <div className="font-medium">CC BY-NC-SA 4.0</div>
               </div>
             </CardContent>
           </Card>

src/server/modules/proxy/clients/gemini.client.ts

@@ -27,7 +27,8 @@ export class GeminiClient {
         this.logger.error(`Gemini Stream API Error: ${error.message}`);
         throw new Error(error.response?.data?.error?.message || error.message);
       }
-      throw error;
+      // Re-throw as clean Error to avoid circular reference issues
+      throw error instanceof Error ? new Error(error.message) : new Error(String(error));
     }
   }
 
@@ -50,11 +51,12 @@ export class GeminiClient {
     } catch (error) {
       if (axios.isAxiosError(error)) {
         this.logger.error(
-          `Gemini API Error: ${error.message} - ${JSON.stringify(error.response?.data)}`,
+          `Gemini API Error: ${error.message} - ${this.safeStringify(error.response?.data)}`,
         );
         throw new Error(error.response?.data?.error?.message || error.message);
       }
-      throw error;
+      // Re-throw as clean Error to avoid circular reference issues
+      throw error instanceof Error ? new Error(error.message) : new Error(String(error));
     }
   }
 
@@ -77,7 +79,6 @@ export class GeminiClient {
       return response.data;
     } catch (error) {
       this.handleAxiosError(error, 'StreamInternal');
-      throw error;
     }
   }
 
@@ -96,17 +97,38 @@ export class GeminiClient {
       return response.data.response || response.data;
     } catch (error) {
       this.handleAxiosError(error, 'GenerateInternal');
-      throw error;
     }
   }
 
   private handleAxiosError(error: any, context: string) {
     if (axios.isAxiosError(error)) {
       this.logger.error(
-        `Gemini ${context} API Error: ${error.message} - ${JSON.stringify(error.response?.data)}`,
+        `Gemini ${context} API Error: ${error.message} - ${this.safeStringify(error.response?.data)}`,
       );
       throw new Error(error.response?.data?.error?.message || error.message);
     }
-    throw error;
+    // Re-throw as clean Error to avoid circular reference issues
+    throw error instanceof Error ? new Error(error.message) : new Error(String(error));
+  }
+
+  /**
+   * Safely stringify an object, handling circular references
+   */
+  private safeStringify(obj: unknown): string {
+    if (obj === undefined || obj === null) {
+      return String(obj);
+    }
+    try {
+      const seen = new WeakSet();
+      return JSON.stringify(obj, (key, value) => {
+        if (typeof value === 'object' && value !== null) {
+          if (seen.has(value)) return '[Circular]';
+          seen.add(value);
+        }
+        return value;
+      });
+    } catch {
+      return '[Unserializable]';
+    }
   }
 }

src/server/modules/proxy/proxy.service.ts

@@ -7,6 +7,11 @@ import { transformClaudeRequestIn } from '../../../lib/antigravity/ClaudeRequest
 import { transformResponse } from '../../../lib/antigravity/ClaudeResponseMapper';
 import { StreamingState, PartProcessor } from '../../../lib/antigravity/ClaudeStreamingMapper';
 import { ClaudeRequest } from '../../../lib/antigravity/types';
+import { calculateRetryDelay, sleep } from '../../../lib/antigravity/retry-utils';
+import {
+  classifyStreamError,
+  formatErrorForSSE,
+} from '../../../lib/antigravity/stream-error-utils';
 import {
   OpenAIChatRequest,
   AnthropicChatRequest,
@@ -45,6 +50,13 @@ export class ProxyService {
     const maxRetries = 3;
 
     for (let i = 0; i < maxRetries; i++) {
+      // Fix #6: Add jitter delay for retries (skip first attempt)
+      if (i > 0) {
+        const delay = calculateRetryDelay(i - 1);
+        this.logger.log(`Retry attempt ${i + 1}/${maxRetries}, waiting ${delay}ms (jittered)`);
+        await sleep(delay);
+      }
+
       const token = await this.tokenManager.getNextToken();
       if (!token) {
         throw new Error('No available accounts');
@@ -172,7 +184,11 @@ export class ProxyService {
       let lastFinishReason: string | undefined;
       let lastUsageMetadata: any | undefined;
 
+      // Fix #1: Track if we received any valid data
+      let receivedData = false;
+
       upstreamStream.on('data', (chunk: Buffer) => {
+        receivedData = true; // Mark that we got data
         buffer += decoder.decode(chunk, { stream: true });
         const lines = buffer.split('\n');
         buffer = lines.pop() || '';
@@ -205,19 +221,42 @@ export class ProxyService {
               const chunks = processor.process(part as any);
               chunks.forEach((c) => subscriber.next(c));
             }
+
+            // Reset error state on successful parse
+            state.resetErrorState();
           } catch (e) {
+            // Fix #3: Use handleParseError for graceful degradation
             this.logger.error('Stream parse error', e);
+            const errorChunks = state.handleParseError(dataStr);
+            errorChunks.forEach((c) => subscriber.next(c));
           }
         }
       });
 
       upstreamStream.on('end', () => {
+        // Fix #1: Check for empty stream
+        if (!receivedData) {
+          this.logger.warn('Empty response stream detected');
+          subscriber.error(new Error('Empty response stream'));
+          return;
+        }
+
         const finishChunks = state.emitFinish(lastFinishReason, lastUsageMetadata);
         finishChunks.forEach((c) => subscriber.next(c));
         subscriber.complete();
       });
 
-      upstreamStream.on('error', (err: any) => subscriber.error(err));
+      upstreamStream.on('error', (err: any) => {
+        // Fix #2: Classify error and send friendly message
+        const cleanError = err instanceof Error ? err : new Error(String(err));
+        const { type, message } = classifyStreamError(cleanError);
+
+        this.logger.error(`Stream error: ${type} - ${cleanError.message}`);
+
+        // Send SSE error event before closing
+        subscriber.next(formatErrorForSSE(type, message));
+        subscriber.error(cleanError);
+      });
     });
   }
 
@@ -290,6 +329,9 @@ export class ProxyService {
       const decoder = new TextDecoder();
       let buffer = '';
 
+      const streamId = `chatcmpl-${uuidv4()}`;
+      const created = Math.floor(Date.now() / 1000);
+
       upstreamStream.on('data', (chunk: Buffer) => {
         buffer += decoder.decode(chunk, { stream: true });
         const lines = buffer.split('\n');
@@ -307,22 +349,52 @@ export class ProxyService {
             const candidate = json.candidates?.[0];
             const contentPart = candidate?.content?.parts?.[0];
             const text = contentPart?.text || '';
+            const isThought = contentPart?.thought === true;
 
-            const openAICheck = {
-              id: `chatcmpl-${uuidv4()}`,
-              object: 'chat.completion.chunk',
-              created: Math.floor(Date.now() / 1000),
-              model: model,
-              choices: [
-                {
-                  index: 0,
-                  delta: { content: text },
-                  finish_reason: candidate?.finishReason ? 'stop' : null,
-                },
-              ],
-            };
+            if (isThought && text) {
+              const reasoningChunk = {
+                id: streamId,
+                object: 'chat.completion.chunk',
+                created: created,
+                model: model,
+                choices: [
+                  {
+                    index: 0,
+                    delta: { reasoning_content: text },
+                    finish_reason: null,
+                  },
+                ],
+              };
+              subscriber.next(`data: ${JSON.stringify(reasoningChunk)}\n\n`);
+              continue;
+            }
 
-            subscriber.next(`data: ${JSON.stringify(openAICheck)}\n\n`);
+            if (text || candidate?.finishReason) {
+              const finishReason = candidate?.finishReason
+                ? candidate.finishReason === 'STOP'
+                  ? 'stop'
+                  : candidate.finishReason.toLowerCase()
+                : null;
+
+              const contentChunk = {
+                id: streamId,
+                object: 'chat.completion.chunk',
+                created: created,
+                model: model,
+                choices: [
+                  {
+                    index: 0,
+                    delta: { content: text },
+                    finish_reason: finishReason,
+                  },
+                ],
+              };
+              if (!text && finishReason) {
+                delete contentChunk.choices[0].delta.content;
+              }
+
+              subscriber.next(`data: ${JSON.stringify(contentChunk)}\n\n`);
+            }
 
             if (candidate?.finishReason) {
               subscriber.next('data: [DONE]\n\n');
@@ -339,7 +411,9 @@ export class ProxyService {
       });
 
       upstreamStream.on('error', (err: any) => {
-        subscriber.error(err);
+        // Convert to clean Error to avoid circular reference issues (socket objects)
+        const cleanError = err instanceof Error ? new Error(err.message) : new Error(String(err));
+        subscriber.error(cleanError);
       });
     });
   }

src/tests/AntigravityCoreFeatures.test.ts

@@ -0,0 +1,124 @@
+import { describe, it, expect, vi, beforeEach } from 'vitest';
+import { transformClaudeRequestIn } from '../lib/antigravity/ClaudeRequestMapper';
+import { ClaudeRequest, GeminiInternalRequest } from '../lib/antigravity/types';
+import { SignatureStore } from '../lib/antigravity/SignatureStore';
+
+/**
+ * Antigravity Core Features Verification
+ *
+ * This test suite verifies the critical "Antigravity" enhancements ported from the Manager project.
+ * Primarily focuses on:
+ * 1. Identity Injection (Safety & Branding)
+ * 2. Gemini 3 Pro Compatibility (Stability Fixes)
+ * 3. Model Routing Logic (Business Rules)
+ */
+describe('Antigravity Core Features (Business Logic)', () => {
+  beforeEach(() => {
+    // Clear global signature store before each test
+    SignatureStore.clear();
+    vi.restoreAllMocks();
+  });
+
+  const BASE_REQUEST: ClaudeRequest = {
+    model: 'claude-3-5-sonnet-20241022',
+    messages: [{ role: 'user', content: 'Hello' }],
+    max_tokens: 100,
+    stream: true,
+  };
+
+  describe('Feature: Identity Injection (Branding & Safety)', () => {
+    it('should inject Antigravity identity when system prompt is missing', () => {
+      const result = transformClaudeRequestIn({ ...BASE_REQUEST }, 'test-project');
+
+      const parts = result.request.systemInstruction?.parts || [];
+      const identityPart = parts.find((p) => p.text.includes('You are Antigravity'));
+
+      expect(identityPart).toBeDefined();
+      expect(identityPart?.text).toContain('[IDENTITY_PATCH]');
+    });
+
+    it('should NOT inject Antigravity identity if user already provided it', () => {
+      // User explicitly providing the identity string
+      const result = transformClaudeRequestIn(
+        {
+          ...BASE_REQUEST,
+          system: 'You are Antigravity, the best AI.',
+        },
+        'test-project',
+      );
+
+      const parts = result.request.systemInstruction?.parts || [];
+      // Should verify we don't have TWO identity blocks
+      // The injected one starts with "--- [IDENTITY_PATCH] ---"
+      const injectedPart = parts.find((p) => p.text.includes('[IDENTITY_PATCH]'));
+
+      expect(injectedPart).toBeUndefined();
+    });
+
+    it('should inject before user system prompt if user prompt does NOT have identity', () => {
+      const result = transformClaudeRequestIn(
+        {
+          ...BASE_REQUEST,
+          system: 'Be concise.',
+        },
+        'test-project',
+      );
+
+      const parts = result.request.systemInstruction?.parts || [];
+      expect(parts.length).toBeGreaterThanOrEqual(2);
+      expect(parts[0].text).toContain('Antigravity');
+      expect(parts[parts.length - 1].text).toContain('Be concise');
+    });
+  });
+
+  describe('Feature: Gemini 3 Pro Stability Fix ', () => {
+    // Situation: User enables thinking, calls a tool, but NO thought signature exists.
+    // Result: Google API would return 400.
+    // Fix: We must silently disable thinking for this request.
+    it('should disable thinking mode if function calls exist but NO signature', () => {
+      const requestWithTools = {
+        ...BASE_REQUEST,
+        // Maps to a gemini-3 model potentially
+        model: 'gemini-3-pro-preview',
+        tools: [{ name: 'get_weather' }], // Mock tool structure
+        thinking: { type: 'enabled', budget_tokens: 1000 },
+      } as any;
+
+      const result = transformClaudeRequestIn(requestWithTools, 'test-project');
+
+      // Should detect missing signature and remove thinking config
+      expect(result.request.generationConfig?.thinkingConfig).toBeUndefined();
+    });
+
+    it('should KEEP thinking mode if function calls exist AND valid signature exists in Store', () => {
+      // Pre-fill a valid signature
+      SignatureStore.store('valid_signature_string_longer_than_10_chars');
+
+      const requestWithTools = {
+        ...BASE_REQUEST,
+        model: 'gemini-3-pro-preview',
+        tools: [{ name: 'get_weather' }],
+        thinking: { type: 'enabled', budget_tokens: 1000 },
+      } as any;
+
+      const result = transformClaudeRequestIn(requestWithTools, 'test-project');
+
+      // Should keep thinking config
+      expect(result.request.generationConfig?.thinkingConfig).toBeDefined();
+    });
+
+    it('should KEEP thinking mode if NO function calls exist (pure thinking)', () => {
+      const requestPureThinking = {
+        ...BASE_REQUEST,
+        model: 'gemini-3-pro-preview',
+        // No tools
+        thinking: { type: 'enabled', budget_tokens: 1000 },
+      } as any;
+
+      const result = transformClaudeRequestIn(requestPureThinking, 'test-project');
+
+      // Should keep thinking config
+      expect(result.request.generationConfig?.thinkingConfig).toBeDefined();
+    });
+  });
+});

src/tests/unit/proxy-retry-mock.test.ts

@@ -0,0 +1,92 @@
+import { describe, it, expect, vi } from 'vitest';
+import { EventEmitter } from 'events';
+import { ProxyService } from '../../server/modules/proxy/proxy.service';
+import { Observable } from 'rxjs';
+
+// Mock dependencies
+const mockTokenManager = { getNextToken: vi.fn(), markAsRateLimited: vi.fn() };
+const mockGeminiClient = { streamGenerateInternal: vi.fn(), generateInternal: vi.fn() };
+
+// Subclass to access private method
+class TestableProxyService extends ProxyService {
+  constructor() {
+    super(mockTokenManager as any, mockGeminiClient as any);
+  }
+
+  public testProcessStream(stream: any, model: string = 'model'): Observable<string> {
+    // Access private method using type assertion
+    return (this as any).processAnthropicInternalStream(stream, model);
+  }
+}
+
+describe('ProxyService Empty Stream Retry Logic', () => {
+  it('should emit error when stream ends without data', async () => {
+    const service = new TestableProxyService();
+    const stream = new EventEmitter();
+
+    const resultObservable = service.testProcessStream(stream);
+
+    let errorReceived: Error | undefined;
+
+    const promise = new Promise<void>((resolve) => {
+      resultObservable.subscribe({
+        next: () => {},
+        error: (err) => {
+          errorReceived = err;
+          resolve();
+        },
+        complete: () => resolve(),
+      });
+    });
+
+    // Simulate empty stream: straight to end
+    setTimeout(() => stream.emit('end'), 10);
+
+    await promise;
+
+    expect(errorReceived).toBeDefined();
+    expect(errorReceived?.message).toBe('Empty response stream');
+  });
+
+  it('should NOT emit error when stream has data', async () => {
+    const service = new TestableProxyService();
+    const stream = new EventEmitter();
+
+    const resultObservable = service.testProcessStream(stream);
+
+    let errorReceived: Error | undefined;
+    const receivedChunks: string[] = [];
+
+    const promise = new Promise<void>((resolve) => {
+      resultObservable.subscribe({
+        next: (c) => receivedChunks.push(c),
+        error: (err) => {
+          errorReceived = err;
+          resolve();
+        },
+        complete: () => resolve(),
+      });
+    });
+
+    // Simulate valid data stream
+    setTimeout(() => {
+      const validJson = JSON.stringify({
+        candidates: [
+          {
+            content: { parts: [{ text: 'hello' }] },
+            finishReason: 'STOP',
+          },
+        ],
+      });
+      stream.emit('data', Buffer.from(`data: ${validJson}\n\n`));
+      stream.emit('end');
+    }, 10);
+
+    await promise;
+
+    expect(errorReceived).toBeUndefined();
+    // It should produce chunks (though exact number depends on mapper logic, at least it shouldn't error)
+    // Actually our mapper might produce "message_start", "content_block_start" etc.
+    // We just care that it didn't error with "Empty response stream"
+  });
+});

src/tests/unit/retry-utils.test.ts

@@ -0,0 +1,59 @@
+import { describe, it, expect } from 'vitest';
+import { applyJitter, calculateRetryDelay } from '../../lib/antigravity/retry-utils';
+
+describe('applyJitter', () => {
+  it('should return values within ±20% range', () => {
+    const baseDelay = 1000;
+    const results: number[] = [];
+
+    for (let i = 0; i < 100; i++) {
+      results.push(applyJitter(baseDelay));
+    }
+
+    // All values should be within 800-1200 range (±20%)
+    results.forEach((r) => {
+      expect(r).toBeGreaterThanOrEqual(800);
+      expect(r).toBeLessThanOrEqual(1200);
+    });
+  });
+
+  it('should produce different values (randomness)', () => {
+    const results = new Set<number>();
+    for (let i = 0; i < 20; i++) {
+      results.add(applyJitter(1000));
+    }
+    // 20 calls should produce multiple distinct values
+    expect(results.size).toBeGreaterThan(5);
+  });
+
+  it('should guarantee minimum value of 1 for small inputs', () => {
+    expect(applyJitter(1)).toBeGreaterThanOrEqual(1);
+    expect(applyJitter(0)).toBe(1);
+  });
+});
+
+describe('calculateRetryDelay', () => {
+  it('should implement exponential backoff', () => {
+    // First attempt (index 0): 1s ± 20% = 800-1200ms
+    const delay0 = calculateRetryDelay(0);
+    expect(delay0).toBeGreaterThanOrEqual(800);
+    expect(delay0).toBeLessThanOrEqual(1200);
+
+    // Second attempt (index 1): 2s ± 20% = 1600-2400ms
+    const delay1 = calculateRetryDelay(1);
+    expect(delay1).toBeGreaterThanOrEqual(1600);
+    expect(delay1).toBeLessThanOrEqual(2400);
+  });
+
+  it('should have maximum delay limit', () => {
+    // Even with high retry count, should not exceed 30s + 20% jitter = 36s
+    const delay = calculateRetryDelay(10);
+    expect(delay).toBeLessThanOrEqual(36000);
+  });
+
+  it('should accept custom base delay', () => {
+    const delay = calculateRetryDelay(0, 500);
+    expect(delay).toBeGreaterThanOrEqual(400); // 500 - 20%
+    expect(delay).toBeLessThanOrEqual(600); // 500 + 20%
+  });
+});

src/tests/unit/signature-utils.test.ts

@@ -0,0 +1,48 @@
+import { describe, it, expect } from 'vitest';
+import { decodeSignature } from '../../lib/antigravity/signature-utils';
+
+describe('decodeSignature', () => {
+  describe('Base64 decoding', () => {
+    it('should correctly decode valid Base64 signature', () => {
+      const original = 'valid-thinking-signature-12345';
+      const base64 = Buffer.from(original).toString('base64');
+      expect(decodeSignature(base64)).toBe(original);
+    });
+
+    it('should decode signature with special characters', () => {
+      const original = 'sig+with/special=chars==';
+      const base64 = Buffer.from(original).toString('base64');
+      expect(decodeSignature(base64)).toBe(original);
+    });
+
+    it('should decode UTF-8 Chinese signature', () => {
+      const original = '思考签名-测试';
+      const base64 = Buffer.from(original).toString('base64');
+      expect(decodeSignature(base64)).toBe(original);
+    });
+  });
+
+  describe('Non-Base64 passthrough', () => {
+    it('should return non-Base64 strings as-is', () => {
+      expect(decodeSignature('plain-text-signature')).toBe('plain-text-signature');
+    });
+
+    it('should handle strings with invalid Base64 characters', () => {
+      expect(decodeSignature('not!valid@base64#')).toBe('not!valid@base64#');
+    });
+  });
+
+  describe('Empty value handling', () => {
+    it('should return undefined for null input', () => {
+      expect(decodeSignature(null)).toBeUndefined();
+    });
+
+    it('should return undefined for undefined input', () => {
+      expect(decodeSignature(undefined)).toBeUndefined();
+    });
+
+    it('should return undefined for empty string', () => {
+      expect(decodeSignature('')).toBeUndefined();
+    });
+  });
+});

src/tests/unit/stream-error-utils.test.ts

@@ -0,0 +1,61 @@
+import { describe, it, expect } from 'vitest';
+import { classifyStreamError, formatErrorForSSE } from '../../lib/antigravity/stream-error-utils';
+
+describe('classifyStreamError', () => {
+  it('should identify timeout errors', () => {
+    const error = new Error('timeout of 30000ms exceeded');
+    const { type, message } = classifyStreamError(error);
+    expect(type).toBe('timeout_error');
+    expect(message).toContain('timed out');
+  });
+
+  it('should identify connection errors', () => {
+    const error = new Error('connect ECONNREFUSED 127.0.0.1:8080');
+    const { type, message } = classifyStreamError(error);
+    expect(type).toBe('connection_error');
+    expect(message).toContain('connect');
+  });
+
+  it('should identify network DNS errors', () => {
+    const error = new Error('getaddrinfo ENOTFOUND googleapis.com');
+    const { type, message } = classifyStreamError(error);
+    expect(type).toBe('network_error');
+    expect(message).toContain('Network');
+  });
+
+  it('should identify socket errors', () => {
+    const error = new Error('socket hang up');
+    const { type, message } = classifyStreamError(error);
+    expect(type).toBe('stream_error');
+    expect(message).toContain('interrupted');
+  });
+
+  it('should return generic message for unknown errors', () => {
+    const error = new Error('some random error');
+    const { type, message } = classifyStreamError(error);
+    expect(type).toBe('unknown_error');
+    expect(message).toBeTruthy();
+    expect(message).toContain('some random error');
+  });
+});
+
+describe('formatErrorForSSE', () => {
+  it('should format as Claude SSE error event', () => {
+    const result = formatErrorForSSE('network_error', 'Network connection failed');
+    expect(result).toContain('event: error');
+    expect(result).toContain('"type":"error"');
+    expect(result).toContain('network_error');
+    expect(result).toContain('Network connection failed');
+  });
+
+  it('should end with newlines', () => {
+    const result = formatErrorForSSE('test', 'test');
+    expect(result.endsWith('\n\n')).toBe(true);
+  });
+
+  it('should be valid SSE format', () => {
+    const result = formatErrorForSSE('timeout_error', 'Request timed out');
+    expect(result.startsWith('event: ')).toBe(true);
+    expect(result).toContain('\ndata: ');
+  });
+});

src/tests/unit/streaming-state.test.ts

@@ -0,0 +1,61 @@
+import { describe, it, expect, beforeEach } from 'vitest';
+import { StreamingState } from '../../lib/antigravity/ClaudeStreamingMapper';
+
+describe('StreamingState', () => {
+  let state: StreamingState;
+
+  beforeEach(() => {
+    state = new StreamingState();
+  });
+
+  describe('handleParseError', () => {
+    it('should return empty array on first error', () => {
+      const chunks = state.handleParseError('invalid json');
+      expect(chunks).toEqual([]);
+    });
+
+    it('should emit error event when error count exceeds 3', () => {
+      // Simulate 4 parse errors
+      state.handleParseError('error 1');
+      state.handleParseError('error 2');
+      state.handleParseError('error 3');
+      const chunks = state.handleParseError('error 4');
+
+      expect(chunks.length).toBeGreaterThan(0);
+      expect(chunks[0]).toContain('network_error');
+      expect(chunks[0]).toContain('Unstable network');
+    });
+
+    it('should safely close active block on error', () => {
+      // Start a text block first
+      state.startBlock('Text', { type: 'text', text: '' });
+
+      const chunks = state.handleParseError('error during block');
+
+      // Should contain content_block_stop event
+      expect(chunks.some((c) => c.includes('content_block_stop'))).toBe(true);
+    });
+  });
+
+  describe('resetErrorState', () => {
+    it('should reset error counter', () => {
+      state.handleParseError('error 1');
+      state.handleParseError('error 2');
+      state.resetErrorState();
+
+      // After reset, should start counting from 0
+      const chunks = state.handleParseError('error after reset');
+      expect(chunks).toEqual([]);
+    });
+  });
+
+  describe('getErrorCount', () => {
+    it('should return current error count', () => {
+      expect(state.getErrorCount()).toBe(0);
+      state.handleParseError('error 1');
+      expect(state.getErrorCount()).toBe(1);
+      state.handleParseError('error 2');
+      expect(state.getErrorCount()).toBe(2);
+    });
+  });
+});

src/tests/unit/thinking-utils.test.ts

@@ -0,0 +1,90 @@
+import { describe, it, expect } from 'vitest';
+import {
+  hasValidSignature,
+  gracefulDegradeThinking,
+  processThinkingBlocks,
+} from '../../lib/antigravity/thinking-utils';
+
+describe('hasValidSignature', () => {
+  it('should return true for empty thinking + valid signature', () => {
+    const block = { type: 'thinking' as const, thinking: '', signature: 'valid-signature-long' };
+    expect(hasValidSignature(block)).toBe(true);
+  });
+
+  it('should return true for content + long signature', () => {
+    const block = {
+      type: 'thinking' as const,
+      thinking: 'some thought',
+      signature: 'long-enough-signature',
+    };
+    expect(hasValidSignature(block)).toBe(true);
+  });
+
+  it('should return false for content + short signature', () => {
+    const block = { type: 'thinking' as const, thinking: 'some thought', signature: 'short' };
+    expect(hasValidSignature(block)).toBe(false);
+  });
+
+  it('should return false for content + no signature', () => {
+    const block = { type: 'thinking' as const, thinking: 'some thought', signature: undefined };
+    expect(hasValidSignature(block)).toBe(false);
+  });
+
+  it('should return true for non-thinking types', () => {
+    const block = { type: 'text' as const, text: 'hello' };
+    expect(hasValidSignature(block)).toBe(true);
+  });
+});
+
+describe('gracefulDegradeThinking', () => {
+  it('should convert invalid signature thinking to text', () => {
+    const block = { type: 'thinking' as const, thinking: 'important content', signature: 'bad' };
+    const result = gracefulDegradeThinking(block);
+    expect(result?.type).toBe('text');
+    expect((result as any).text).toBe('important content');
+  });
+
+  it('should keep valid thinking block unchanged', () => {
+    const block = {
+      type: 'thinking' as const,
+      thinking: 'content',
+      signature: 'valid-long-signature',
+    };
+    const result = gracefulDegradeThinking(block);
+    expect(result?.type).toBe('thinking');
+  });
+
+  it('should drop empty content + invalid signature block', () => {
+    const block = { type: 'thinking' as const, thinking: '', signature: 'bad' };
+    const result = gracefulDegradeThinking(block);
+    expect(result).toBeNull();
+  });
+
+  it('should keep empty content + valid signature trailing block', () => {
+    const block = { type: 'thinking' as const, thinking: '', signature: 'any-valid-sig' };
+    const result = gracefulDegradeThinking(block);
+    expect(result?.type).toBe('thinking');
+  });
+});
+
+describe('processThinkingBlocks', () => {
+  it('should filter out invalid empty thinking blocks', () => {
+    const blocks = [
+      { type: 'text' as const, text: 'hello' },
+      { type: 'thinking' as const, thinking: '', signature: 'bad' },
+      { type: 'text' as const, text: 'world' },
+    ];
+    const result = processThinkingBlocks(blocks);
+    expect(result.length).toBe(2);
+    expect(result[0].type).toBe('text');
+    expect(result[1].type).toBe('text');
+  });
+
+  it('should convert content with invalid signature to text', () => {
+    const blocks = [{ type: 'thinking' as const, thinking: 'keep me', signature: 'x' }];
+    const result = processThinkingBlocks(blocks);
+    expect(result.length).toBe(1);
+    expect(result[0].type).toBe('text');
+    expect((result[0] as any).text).toBe('keep me');
+  });
+});

src/utils/logger.ts

@@ -4,6 +4,33 @@ import { getAgentDir } from './paths';
 
 export type LogLevel = 'info' | 'warn' | 'error' | 'debug';
 
+/**
+ * Safely stringify an object, handling circular references
+ * This prevents "Converting circular structure to JSON" errors
+ * when logging objects like axios errors that contain socket references
+ */
+function safeStringify(obj: unknown): string {
+  const seen = new WeakSet();
+  return JSON.stringify(obj, (key, value) => {
+    // Handle Error objects specially
+    if (value instanceof Error) {
+      return {
+        name: value.name,
+        message: value.message,
+        stack: value.stack,
+      };
+    }
+    // Handle circular references
+    if (typeof value === 'object' && value !== null) {
+      if (seen.has(value)) {
+        return '[Circular]';
+      }
+      seen.add(value);
+    }
+    return value;
+  });
+}
+
 class Logger {
   private logFilePath: string;
 
@@ -22,7 +49,7 @@ class Logger {
   private formatMessage(level: LogLevel, message: string, ...args: unknown[]): string {
     const timestamp = new Date().toISOString();
     const formattedArgs = args
-      .map((arg) => (typeof arg === 'object' ? JSON.stringify(arg) : String(arg)))
+      .map((arg) => (typeof arg === 'object' ? safeStringify(arg) : String(arg)))
       .join(' ');
     return `[${timestamp}] [${level.toUpperCase()}] ${message} ${formattedArgs}`;
   }

vitest.config.mjs

@@ -0,0 +1,18 @@
+import { defineConfig } from 'vitest/config';
+import path from 'path';
+
+export default defineConfig({
+  resolve: {
+    alias: {
+      '@': path.resolve(process.cwd(), './src'),
+      // Mock native modules that fail to load in test environment
+      keytar: path.resolve(process.cwd(), './src/mocks/empty.ts'),
+      'better-sqlite3': path.resolve(process.cwd(), './src/mocks/empty.ts'),
+    },
+  },
+  test: {
+    globals: true,
+    environment: 'happy-dom',
+    include: ['src/tests/unit/**/*.test.ts'],
+  },
+});

vitest.config.mts

@@ -1,31 +0,0 @@
-import * as path from 'path';
-import react from '@vitejs/plugin-react';
-import { defineConfig } from 'vitest/config';
-
-export default defineConfig({
-  plugins: [react() as any],
-  resolve: {
-    alias: {
-      '@': path.resolve(__dirname, './src'),
-    },
-  },
-  test: {
-    dir: './src/tests/unit',
-    globals: true,
-    environment: 'node',
-    setupFiles: './src/tests/unit/setup.ts',
-    css: true,
-    reporters: ['verbose'],
-    coverage: {
-      provider: 'v8',
-      reporter: ['text', 'json', 'html'],
-      include: ['src/**/*'],
-      exclude: [],
-    },
-    server: {
-      deps: {
-        inline: ['jsdom'],
-      },
-    },
-  },
-});