feat: enhance tool call parsing robustness, authentication flexibility, and streaming output for tool content

.env.example

@@ -1,74 +1,54 @@
-# DS2API 环境变量配置模板
-# 复制此文件为 .env 并根据需要修改
-# 最后更新：2026-02
+# DS2API environment template (Go runtime)
+# Copy this file to .env and adjust values.
+# Updated: 2026-02
 
-# ===============================================================
-#                        核心配置
-# ===============================================================
-
-# ----- 服务配置 -----
-# 服务端口（默认 5001）
+# ---------------------------------------------------------------
+# Runtime
+# ---------------------------------------------------------------
+# HTTP listen port (default: 5001)
 PORT=5001
 
-# 服务监听地址
-HOST=0.0.0.0
-
-# 日志级别 (DEBUG, INFO, WARNING, ERROR)
+# Log level: DEBUG | INFO | WARN | ERROR
 LOG_LEVEL=INFO
 
+# ---------------------------------------------------------------
+# Admin auth
+# ---------------------------------------------------------------
+# Admin key for /admin login and protected admin APIs.
+# Default is "admin" when unset, but setting it explicitly is recommended.
+DS2API_ADMIN_KEY=admin
 
-# ===============================================================
-#                    数据配置（三选一）
-# ===============================================================
+# Optional JWT signing secret for admin token.
+# Defaults to DS2API_ADMIN_KEY when unset.
+# DS2API_JWT_SECRET=change-me
 
-# 方式1: JSON 字符串（适合简单配置）
-# DS2API_CONFIG_JSON={"keys":["your-api-key"],"accounts":[{"email":"user@example.com","password":"xxx","token":""}]}
+# Optional admin JWT validity in hours (default: 24)
+# DS2API_JWT_EXPIRE_HOURS=24
 
-# 方式2: Base64 编码的 JSON（推荐用于 Vercel，避免特殊字符转义问题）
-# 生成方式: echo '{"keys":["your-api-key"],"accounts":[...]}' | base64
-# DS2API_CONFIG_JSON=eyJrZXlzIjpbInlvdXItYXBpLWtleSJdLCJhY2NvdW50cyI6W3siZW1haWwiOiJ1c2VyQGV4YW1wbGUuY29tIiwicGFzc3dvcmQiOiJ4eHgiLCJ0b2tlbiI6IiJ9XX0=
-
-# 方式3: 配置文件路径（本地开发推荐）
+# ---------------------------------------------------------------
+# Config source (choose one)
+# ---------------------------------------------------------------
+# Option A: config file path (local/dev recommended)
 # DS2API_CONFIG_PATH=config.json
 
+# Option B: JSON string
+# DS2API_CONFIG_JSON={"keys":["your-api-key"],"accounts":[{"email":"user@example.com","password":"xxx","token":""}]}
 
-# ===============================================================
-#                    管理界面配置
-# ===============================================================
+# Option C: Base64 encoded JSON (recommended for Vercel env var)
+# DS2API_CONFIG_JSON=eyJrZXlzIjpbInlvdXItYXBpLWtleSJdLCJhY2NvdW50cyI6W3siZW1haWwiOiJ1c2VyQGV4YW1wbGUuY29tIiwicGFzc3dvcmQiOiJ4eHgiLCJ0b2tlbiI6IiJ9XX0=
 
-# Admin API 密钥（Vercel 部署必填！）
-# 用于保护 WebUI 管理界面，首次访问 /admin 时需要输入此密钥登录
-DS2API_ADMIN_KEY=your-admin-secret-key
-
-# JWT Token 过期时间（秒，默认 86400 = 24小时）
-# DS2API_SESSION_EXPIRE=86400
-
-
-# ===============================================================
-#                    Vercel 集成（可选）
-# ===============================================================
-
-# Vercel API Token
-# 获取方式: https://vercel.com/account/tokens
-# VERCEL_TOKEN=your-vercel-token
-
-# Vercel Project ID
-# 获取方式: Vercel 控制台 -> 项目设置 -> General -> Project ID
-# VERCEL_PROJECT_ID=prj_xxxxxxxxxxxx
-
-# Vercel Team ID（个人项目无需填写，团队项目才需要）
-# VERCEL_TEAM_ID=
-
-
-# ===============================================================
-#                    高级配置（可选）
-# ===============================================================
-
-# Tokenizer 目录（留空使用项目根目录）
-# DS2API_TOKENIZER_DIR=
-
-# 模板目录
-# DS2API_TEMPLATES_DIR=templates
-
-# WASM 文件路径（PoW 计算用）
+# ---------------------------------------------------------------
+# Paths (optional)
+# ---------------------------------------------------------------
+# WASM file used for PoW solving
 # DS2API_WASM_PATH=sha3_wasm_bg.7b9ca65ddd.wasm
+
+# Built admin static assets directory
+# DS2API_STATIC_ADMIN_DIR=static/admin
+
+# ---------------------------------------------------------------
+# Vercel sync integration (optional)
+# ---------------------------------------------------------------
+# VERCEL_TOKEN=your-vercel-token
+# VERCEL_PROJECT_ID=prj_xxxxxxxxxxxx
+# VERCEL_TEAM_ID=team_xxxxxxxxxxxx