docs: update channel docs

docs/en/intro/architecture.mdx

@@ -33,10 +33,10 @@ When Agent mode is enabled, CowAgent runs as an autonomous agent with the follow
 
 ## Workspace Directory Structure
 
-The Agent workspace is located at `~/cow` by default and stores system prompts, memory files, and skill files:
+The Agent workspace is located at `~/.cow` by default and stores system prompts, memory files, and skill files:
 
 ```
-~/cow/
+~/.cow/
 ├── system.md          # Agent system prompt
 ├── user.md            # User profile
 ├── memory/            # Long-term memory storage
@@ -55,7 +55,7 @@ Configure Agent mode parameters in `config.json`:
 ```json
 {
   "agent": true,
-  "agent_workspace": "~/cow",
+  "agent_workspace": "~/.cow",
   "agent_max_context_tokens": 40000,
   "agent_max_context_turns": 30,
   "agent_max_steps": 15
@@ -65,7 +65,7 @@ Configure Agent mode parameters in `config.json`:
 | Parameter | Description | Default |
 | --- | --- | --- |
 | `agent` | Enable Agent mode | `true` |
-| `agent_workspace` | Workspace path | `~/cow` |
+| `agent_workspace` | Workspace path | `~/.cow` |
 | `agent_max_context_tokens` | Max context tokens | `40000` |
 | `agent_max_context_turns` | Max context turns | `30` |
 | `agent_max_steps` | Max decision steps per task | `15` |

docs/en/skills/image-vision.mdx

@@ -3,8 +3,6 @@ title: Image Vision
 description: Recognize images using OpenAI vision models
 ---
 
-# openai-image-vision
-
 Analyze image content using OpenAI's GPT-4 Vision API, understanding objects, text, colors, and other elements in images.
 
 ## Dependencies

docs/en/skills/linkai-agent.mdx

@@ -3,8 +3,6 @@ title: LinkAI Agent
 description: Integrate LinkAI platform multi-agent skill
 ---
 
-# linkai-agent
-
 Use agents from the [LinkAI](https://link-ai.tech/) platform as Skills for multi-agent decision-making. The Agent intelligently selects based on agent names and descriptions, calling the corresponding application or workflow via `app_code`.
 
 ## Dependencies

docs/en/skills/skill-creator.mdx

@@ -3,8 +3,6 @@ title: Skill Creator
 description: Create custom skills through conversation
 ---
 
-# skill-creator
-
 Quickly create, install, or update skills through natural language conversation.
 
 ## Dependencies

docs/en/skills/web-fetch.mdx

@@ -3,8 +3,6 @@ title: Web Fetch
 description: Fetch web page text content
 ---
 
-# web-fetch
-
 Use curl to fetch web pages and extract readable text content. A lightweight web access method without browser automation.
 
 ## Dependencies

docs/en/tools/bash.mdx

@@ -3,8 +3,6 @@ title: bash - Terminal
 description: Execute system commands
 ---
 
-# bash
-
 Execute Bash commands in the current working directory, returns stdout and stderr. API keys configured via `env_config` are automatically injected into the environment.
 
 ## Dependencies

docs/en/tools/browser.mdx

@@ -3,8 +3,6 @@ title: browser - Browser
 description: Access and interact with web pages
 ---
 
-# browser
-
 Use a browser to access and interact with web pages, supports JavaScript-rendered dynamic pages.
 
 ## Dependencies

docs/en/tools/edit.mdx

@@ -3,8 +3,6 @@ title: edit - File Edit
 description: Edit files via precise text replacement
 ---
 
-# edit
-
 Edit files via precise text replacement. If `oldText` is empty, appends to the end of the file.
 
 ## Dependencies

docs/en/tools/env-config.mdx

@@ -3,8 +3,6 @@ title: env_config - Environment
 description: Manage API keys and secrets
 ---
 
-# env_config
-
 Manage environment variables (API keys and secrets) in the workspace `.env` file, with secure conversational updates. Built-in security protection and desensitization.
 
 ## Dependencies

docs/en/tools/ls.mdx

@@ -3,8 +3,6 @@ title: ls - Directory List
 description: List directory contents
 ---
 
-# ls
-
 List directory contents, sorted alphabetically, directories suffixed with `/`, includes hidden files.
 
 ## Dependencies

docs/en/tools/memory.mdx

@@ -3,8 +3,6 @@ title: memory - Memory
 description: Search and read long-term memory
 ---
 
-# memory
-
 The memory tool contains two sub-tools: `memory_search` (search memory) and `memory_get` (read memory files).
 
 ## Dependencies

docs/en/tools/read.mdx

@@ -3,8 +3,6 @@ title: read - File Read
 description: Read file content
 ---
 
-# read
-
 Read file content. Supports text files, PDF files, images (returns metadata), and more.
 
 ## Dependencies

docs/en/tools/scheduler.mdx

@@ -3,8 +3,6 @@ title: scheduler - Scheduler
 description: Create and manage scheduled tasks
 ---
 
-# scheduler
-
 Create and manage dynamic scheduled tasks with flexible scheduling and execution modes.
 
 ## Dependencies

docs/en/tools/send.mdx

@@ -3,8 +3,6 @@ title: send - File Send
 description: Send files to user
 ---
 
-# send
-
 Send files to the user (images, videos, audio, documents, etc.), used when the user explicitly requests to send/share a file.
 
 ## Dependencies

docs/en/tools/web-search.mdx

@@ -3,8 +3,6 @@ title: web_search - Web Search
 description: Search the internet for real-time information
 ---
 
-# web_search
-
 Search the internet for real-time information, news, research, and more. Supports two search backends with automatic fallback.
 
 ## Dependencies

docs/en/tools/write.mdx

@@ -3,8 +3,6 @@ title: write - File Write
 description: Create or overwrite files
 ---
 
-# write
-
 Write content to a file. Creates the file if it doesn't exist, overwrites if it does. Automatically creates parent directories.
 
 ## Dependencies