docs: mascot before each section heading in tutorial docs

docs/en/ADAPTER.md

@@ -1,11 +1,11 @@
 **中文** | [English](../zh/ADAPTER.md)
 
-<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
-
 # Lua Adapter — LLM Source Adaptation Guide
 
 Each LLM API source corresponds to a Lua script, responsible for request transformation (Go unified format → API format) and response transformation (API format → Go unified format).
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Adapter Contract
 
 The Lua script must return a table containing the following fields and functions:
@@ -45,6 +45,8 @@ end
 return adapter
 ```
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Unified CompletionRequest Format (Go → Adapter)
 
 ```json
@@ -63,6 +65,8 @@ return adapter
 }
 ```
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Unified CompletionResponse Format (Adapter → Go)
 
 ```json
@@ -76,6 +80,8 @@ return adapter
 }
 ```
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Lua VM Built-in Functions
 
 `json.encode(table)` — Encode Lua table to JSON string
@@ -88,6 +94,8 @@ return adapter
 
 `http_post(url, body)` — Perform HTTP POST request, returns response body as string
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Adapting Typical APIs
 
 | API | endpoint | auth method | Format differences |
@@ -101,6 +109,8 @@ return adapter
 | **GitHub Models** | `/chat/completions` | `Authorization: Bearer <pat>` | OpenAI compatible |
 | **Ollama** | `/api/chat` | None | Different options format |
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Steps to Add a New Source
 
 1. Create `<name>.lua` under `internal/lua/adapters/`

docs/en/ARCHITECTURE.md

@@ -1,11 +1,11 @@
 **中文** | [English](../zh/ARCHITECTURE.md)
 
-<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
-
 # HomeAgent Architecture
 
 The kernel performs zero IO; all external interaction comes from plugins.
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Message Processing Flow
 
 ### Full Pipeline
@@ -66,6 +66,8 @@ Exit conditions: LLM has no tool calls / all rejected / exceeded limit.
 
 Setting `ctx.Response` at any stage jumps to `after_output`.
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Three-Layer Memory
 
 ### Memory Flow
@@ -203,6 +205,8 @@ Heartbeat 30min:
 
 Entity conflict detection heuristic (bigram Jaccard > 0.75), routed through `selfInputCh` internal channel, LLM makes the final merge decision.
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Knowledge Base
 
 `internal/knowledge/knowledge.go`
@@ -210,6 +214,8 @@ Entity conflict detection heuristic (bigram Jaccard > 0.75), routed through `sel
 - Independent TF-IDF index, separate from memory system
 - `knowledge_search` / `knowledge_create` / `knowledge_list`
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Provider & Lua Adapter Layer
 
 ```
@@ -234,6 +240,8 @@ ProviderManager manages multiple sources, fallback in registration order. Lua ad
 
 VM built-ins: `json.encode` / `json.decode` / `log` / `http_get` / `http_post`.
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Plugin System
 
 ### Three Loading Methods
@@ -284,6 +292,8 @@ type Plugin interface {
 }
 ```
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Output Channel System
 
 Each output channel generates two tools:
@@ -306,6 +316,8 @@ Capability flags:
 System prompt injection: output gate rules, multi-call support, long message splitting.
 Child agent permission: `output_send__` prefix tools are allowed.
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## EventAgentLLMChain Event
 
 - Event type `agent_llm_chain` emitted after each LLM turn
@@ -313,6 +325,8 @@ Child agent permission: `output_send__` prefix tools are allowed.
 - WebUI subscribes to this event via SSE for real-time display
 - Plugins can subscribe via EventSubscriber (read-only for external plugins)
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Restricted External Plugin API
 
 Layered architecture: internal plugins get full PluginSDK, external plugins get restricted SDK.
@@ -326,6 +340,8 @@ Extended fields:
 - Triple extensions: Confidence, SubjectType, ObjectType
 - Relation extension: Confidence
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Interrupt Mechanism
 
 ```
@@ -346,6 +362,8 @@ Three delivery paths:
 
 Code: `internal/agent/core/agent.go` — `interceptLoop` / `drainInterrupt`
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Configuration System
 
 `internal/config/registry.go` — ConfigRegistry
@@ -355,6 +373,8 @@ Code: `internal/agent/core/agent.go` — `interceptLoop` / `drainInterrupt`
 - `RegisterDefault` inserts ~80 default keys (seeds for 8 LLM sources)
 - WebUI settings page `/api/v1/settings` for read/write
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Code Structure
 
 ```

docs/en/OVERVIEW.md

@@ -1,9 +1,9 @@
 **中文** | [English](../zh/OVERVIEW.md)
 
-<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
-
 # HomeAgent — Project Overview
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## What Is This
 
 HomeAgent is a continuously-running personal intelligent Agent framework.
@@ -27,6 +27,8 @@ The significance: the kernel stays pure (zero IO, only orchestration and memory)
 
 Three progressive layers: context → cold archive → long-term graph memory, ensuring the agent doesn't degrade over time.
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## What It Actually Does
 
 Code is in the project root, implemented in Go.
@@ -67,6 +69,8 @@ Code is in the project root, implemented in Go.
 - OpenAI API-compatible `/v1/chat/completions` endpoint
 - SSE event stream `/api/v1/chat/events`
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Project Status
 
 Core functionality is operational. Plugin system and SDK are ready for independent external plugin development.

docs/en/PLUGIN_DEV.md

@@ -1,9 +1,9 @@
 **中文** | [English](../zh/PLUGIN_DEV.md)
 
-<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
-
 # HomeAgent Plugin Development Guide
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Overview
 
 All external interaction capabilities of HomeAgent comes from plugins. Plugins interact with the kernel through `PluginSDK` (Go API).
@@ -35,6 +35,8 @@ type Plugin interface {
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 1. Quick Start: Using the plugindev Toolchain
 
 `plugindev` is the unified plugin development toolchain provided in the SDK repository, supporting both Go and Lua plugin types.
@@ -134,6 +136,8 @@ Or upload via WebUI plugin management page.
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 2. Go Plugin Development in Detail
 
 ### Plugin Interface
@@ -346,6 +350,8 @@ channels := s.ListChannels()
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 3. Lua Plugin Development in Detail
 
 Lua plugins are suitable for lightweight rapid prototyping, requiring no Go compilation environment. Changes take effect after kernel restart.
@@ -416,6 +422,8 @@ When running inside the kernel, `sdk.*` global variables are injected by the Go
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 4. Built-in Plugins
 
 Built-in plugins use `init()` self-registration, compiled into the kernel, no separate deployment needed.
@@ -479,6 +487,8 @@ import (
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 5. Best Practices
 
 1. `Start()` is non-blocking — start long tasks in goroutines, don't block Start
@@ -491,6 +501,8 @@ import (
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 6. Example Plugin Reference
 
 ### SDK Repository Examples (`homeagent-sdk/example/`)

docs/zh/ADAPTER.md

@@ -1,11 +1,11 @@
 [English](../en/ADAPTER.md) | **中文**
 
-<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
-
 # Lua Adapter — LLM 源适配指南
 
 每个 LLM API 源对应一个 Lua 脚本，负责请求转换（Go 统一格式 → API 格式）和响应转换（API 格式 → Go 统一格式）。
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 适配器契约
 
 Lua 脚本必须返回一个包含以下字段和函数的 table：
@@ -45,6 +45,8 @@ end
 return adapter
 ```
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 统一 CompletionRequest 格式（Go → Adapter）
 
 ```json
@@ -63,6 +65,8 @@ return adapter
 }
 ```
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 统一 CompletionResponse 格式（Adapter → Go）
 
 ```json
@@ -76,6 +80,8 @@ return adapter
 }
 ```
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Lua VM 内置函数
 
 `json.encode(table)` — 将 Lua table 编码为 JSON 字符串
@@ -88,6 +94,8 @@ return adapter
 
 `http_post(url, body)` — 发起 HTTP POST 请求，返回响应体字符串
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 适配典型 API
 
 | API | endpoint | auth 方式 | 格式差异 |
@@ -101,6 +109,8 @@ return adapter
 | **GitHub Models** | `/chat/completions` | `Authorization: Bearer <pat>` | OpenAI 兼容 |
 | **Ollama** | `/api/chat` | 无 | 不同的 options 格式 |
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 添加新源步骤
 
 1. 在 `internal/lua/adapters/` 下创建 `<name>.lua`

docs/zh/ARCHITECTURE.md

@@ -1,11 +1,11 @@
 [English](../en/ARCHITECTURE.md) | **中文**
 
-<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
-
 # HomeAgent 架构
 
 内核零 IO，一切外界交互来自插件。
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 消息处理流程
 
 ### 完整链路
@@ -66,6 +66,8 @@ eventLoop() → processTextInput()
 
 任意阶段设 `ctx.Response` 即跳到 `after_output`。
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 三层记忆
 
 ### 记忆流转
@@ -203,6 +205,8 @@ eventLoop() → processTextInput()
 
 实体冲突检测启发式（bigram Jaccard > 0.75），走 `selfInputCh` 内部通道，LLM 最终判断是否合并。
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 知识库
 
 `internal/knowledge/knowledge.go`
@@ -210,6 +214,8 @@ eventLoop() → processTextInput()
 - 独立 TF-IDF 索引，与记忆系统不冲突
 - `knowledge_search` / `knowledge_create` / `knowledge_list`
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## Provider 与 Lua 适配层
 
 ```
@@ -234,6 +240,8 @@ ProviderManager 管理多个源，按注册顺序 fallback。Lua 适配器位于
 
 VM 内置 `json.encode` / `json.decode` / `log` / `http_get` / `http_post`。
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 插件系统
 
 ### 三种加载方式
@@ -284,6 +292,8 @@ type Plugin interface {
 }
 ```
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 输出通道系统
 
 每个输出通道生成两个工具：
@@ -306,6 +316,8 @@ type Plugin interface {
 系统提示注入：输出门控规则、多调用支持、长消息拆分。
 子代理权限：`output_send__` 前缀工具允许使用。
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## LLM 链事件
 
 - 事件类型 `agent_llm_chain`，每次 LLM 轮次后发射
@@ -313,6 +325,8 @@ type Plugin interface {
 - WebUI 通过 SSE 订阅此事件实现实时显示
 - 插件可通过 EventSubscriber 订阅（外部插件只读）
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 受限外部插件 API
 
 分层架构：内部插件获得完整 PluginSDK，外部插件获得受限 SDK。
@@ -326,6 +340,8 @@ type Plugin interface {
 - Triple 扩展：Confidence、SubjectType、ObjectType
 - Relation 扩展：Confidence
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 中断机制
 
 ```
@@ -346,6 +362,8 @@ interceptLoop (goroutine)
 
 代码：`internal/agent/core/agent.go` — `interceptLoop` / `drainInterrupt`
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 配置系统
 
 `internal/config/registry.go` — ConfigRegistry
@@ -355,6 +373,8 @@ interceptLoop (goroutine)
 - `RegisterDefault` 插入 ~80 个默认键（8 个 LLM 源的 seeds）
 - WebUI 设置页 `/api/v1/settings` 读写
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 代码结构
 
 ```

docs/zh/OVERVIEW.md

@@ -1,9 +1,9 @@
 [English](../en/OVERVIEW.md) | **中文**
 
-<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
-
 # HomeAgent — 项目概览
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 这是什么
 
 HomeAgent 是一个持续运行的个人智能 Agent 框架。
@@ -27,6 +27,8 @@ HomeAgent 是一个持续运行的个人智能 Agent 框架。
 
 三层递进：上下文 → 冷归档 → 长期图记忆，确保 Agent 长时间运行不退化。
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 它实际做了什么
 
 代码位于项目仓库根目录，Go 语言实现。
@@ -67,6 +69,8 @@ HomeAgent 是一个持续运行的个人智能 Agent 框架。
 - 兼容 OpenAI API 格式的 `/v1/chat/completions` 端点
 - SSE 事件流 `/api/v1/chat/events`
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 项目状态
 
 核心功能已可运行。插件系统和 SDK 已就绪，可独立开发外部插件。

docs/zh/PLUGIN_DEV.md

@@ -1,9 +1,9 @@
 [English](../en/PLUGIN_DEV.md) | **中文**
 
-<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
-
 # HomeAgent 插件开发指南
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 概述
 
 HomeAgent 的所有外部交互能力都来自插件。插件通过 `PluginSDK`（Go API）与内核交互。
@@ -36,6 +36,8 @@ type Plugin interface {
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 一、快速开始：使用 plugindev 工具链
 
 `plugindev` 是 SDK 仓库提供的统一插件开发工具链，支持 Go 和 Lua 两种插件类型。
@@ -135,6 +137,8 @@ curl -X POST http://127.0.0.1:9876/plugins \
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 二、Go 插件开发详解
 
 ### 插件接口
@@ -347,6 +351,8 @@ channels := s.ListChannels()
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 三、Lua 插件开发详解
 
 Lua 插件适合轻量级快速原型，无需 Go 编译环境，修改后直接重启内核即可生效。
@@ -417,6 +423,8 @@ lua main.lua
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 四、内置插件
 
 内置插件使用 `init()` 自注册方式，编译进内核，无需单独部署。
@@ -480,6 +488,8 @@ import (
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 五、最佳实践
 
 1. `Start()` 非阻塞 — goroutine 启动长任务，不要阻塞 Start
@@ -492,6 +502,8 @@ import (
 
 ---
 
+<img src="../../branding/mascot-xiaozhai.webp" width="20" style="border-radius:50%;vertical-align:middle"> :
+
 ## 六、示例插件参考
 
 ### SDK 仓库示例（`homeagent-sdk/example/`）