feat: 新增技能编排引擎和工作流构建器组件

refactor: 统一Hands系统常量到单个源文件
refactor: 更新Hands中文名称和描述

fix: 修复技能市场在连接状态变化时重新加载
fix: 修复身份变更提案的错误处理逻辑

docs: 更新多个功能文档的验证状态和实现位置
docs: 更新Hands系统文档

test: 添加测试文件验证工作区路径

desktop/src/constants/models.ts

@@ -0,0 +1,112 @@
+/**
+ * Model Default Constants - Single Source of Truth
+ *
+ * All model-related defaults should reference this file.
+ * Backend (Rust) should use the same values in kernel_commands.rs
+ */
+
+// === Default Model Configuration ===
+
+/**
+ * Default model ID when user hasn't configured one
+ * Using gpt-4o-mini as it's cost-effective and capable
+ */
+export const DEFAULT_MODEL_ID = 'gpt-4o-mini' as const;
+
+/**
+ * Default provider when user hasn't configured one
+ */
+export const DEFAULT_PROVIDER = 'openai' as const;
+
+/**
+ * Default max tokens for responses
+ */
+export const DEFAULT_MAX_TOKENS = 4096 as const;
+
+/**
+ * Default temperature for responses
+ */
+export const DEFAULT_TEMPERATURE = 0.7 as const;
+
+/**
+ * Default base URL for OpenAI API
+ */
+export const DEFAULT_OPENAI_BASE_URL = 'https://api.openai.com/v1' as const;
+
+/**
+ * Default base URL for Anthropic API
+ */
+export const DEFAULT_ANTHROPIC_BASE_URL = 'https://api.anthropic.com' as const;
+
+// === Provider-Specific Defaults ===
+
+export const PROVIDER_DEFAULTS = {
+  openai: {
+    baseUrl: 'https://api.openai.com/v1',
+    defaultModel: 'gpt-4o-mini',
+  },
+  anthropic: {
+    baseUrl: 'https://api.anthropic.com',
+    defaultModel: 'claude-sonnet-4-20250514',
+  },
+  zhipu: {
+    baseUrl: 'https://open.bigmodel.cn/api/paas/v4',
+    defaultModel: 'glm-4-flash',
+  },
+  zhipu_coding: {
+    baseUrl: 'https://open.bigmodel.cn/api/coding/paas/v4',
+    defaultModel: 'glm-4-flash',
+  },
+  kimi: {
+    baseUrl: 'https://api.moonshot.cn/v1',
+    defaultModel: 'moonshot-v1-8k',
+  },
+  kimi_coding: {
+    baseUrl: 'https://api.kimi.com/coding/v1',
+    defaultModel: 'kimi-for-coding',
+  },
+  qwen: {
+    baseUrl: 'https://dashscope.aliyuncs.com/compatible-mode/v1',
+    defaultModel: 'qwen-turbo',
+  },
+  qwen_coding: {
+    baseUrl: 'https://coding.dashscope.aliyuncs.com/v1',
+    defaultModel: 'qwen3-coder-next',
+  },
+  deepseek: {
+    baseUrl: 'https://api.deepseek.com/v1',
+    defaultModel: 'deepseek-chat',
+  },
+  gemini: {
+    baseUrl: 'https://generativelanguage.googleapis.com/v1beta',
+    defaultModel: 'gemini-2.0-flash',
+  },
+  local: {
+    baseUrl: 'http://localhost:11434/v1',
+    defaultModel: 'llama3',
+  },
+} as const;
+
+export type ProviderType = keyof typeof PROVIDER_DEFAULTS;
+
+// === Helper Functions ===
+
+/**
+ * Get provider default configuration
+ */
+export function getProviderDefaults(provider: string): {
+  baseUrl: string;
+  defaultModel: string;
+} {
+  return PROVIDER_DEFAULTS[provider as ProviderType] || {
+    baseUrl: DEFAULT_OPENAI_BASE_URL,
+    defaultModel: DEFAULT_MODEL_ID,
+  };
+}
+
+/**
+ * Check if a provider is a coding plan provider
+ */
+export function isCodingProvider(provider: string): boolean {
+  return provider.endsWith('-coding') || provider === 'zhipu-coding';
+}