feat: save current work to dev branch

This commit is contained in:
sanbuphy
2026-01-15 20:10:19 +08:00
parent c9e7ece75d
commit c8567ce23f
76 changed files with 28352 additions and 6 deletions
@@ -0,0 +1,630 @@
<template>
<div class="agent-context-flow">
<div class="flow-controls">
<button class="control-btn" @click="startSimulation" :disabled="running">
🚀 开始演示
</button>
<button class="control-btn reset" @click="reset" v-if="completed">
🔄 重新演示
</button>
</div>
<div class="flow-visualization">
<div class="user-input">
<div class="input-icon">👤</div>
<div class="input-content">
<div class="input-label">用户输入</div>
<div class="input-text">{{ userInput }}</div>
</div>
</div>
<div class="arrow-down"></div>
<div class="context-window" :class="{ active: step >= 1 }">
<div class="window-header">
<span class="window-title">上下文窗口</span>
<span class="window-size">{{ contextTokens }} tokens</span>
</div>
<div class="window-content">
<div
v-for="(item, index) in contextItems"
:key="index"
class="context-item"
:class="{ cached: item.cached, active: item.active }"
>
<div class="item-type">{{ item.type }}</div>
<div class="item-content">{{ item.content }}</div>
<div class="item-tokens">{{ item.tokens }} tokens</div>
</div>
</div>
</div>
<div class="arrow-down"></div>
<div class="agent-decision" :class="{ active: step >= 2 }">
<div class="decision-icon">🤖</div>
<div class="decision-content">
<div class="decision-label">Agent 决策</div>
<div class="decision-text">{{ currentAction }}</div>
</div>
</div>
<div class="arrow-down"></div>
<div class="tool-execution" :class="{ active: step >= 3 }">
<div class="tool-icon">🔧</div>
<div class="tool-content">
<div class="tool-label">工具执行</div>
<div class="tool-name">{{ currentTool }}</div>
</div>
</div>
<div class="arrow-down"></div>
<div class="observation" :class="{ active: step >= 4 }">
<div class="obs-icon">👁</div>
<div class="obs-content">
<div class="obs-label">观察结果</div>
<div class="obs-text">{{ observation }}</div>
</div>
</div>
<div class="arrow-down"></div>
<div class="context-update" :class="{ active: step >= 5 }">
<div class="update-icon">📝</div>
<div class="update-content">
<div class="update-label">更新上下文</div>
<div class="update-text">动作 + 结果被追加到上下文</div>
</div>
</div>
</div>
<div class="metrics">
<div class="metric-card">
<div class="metric-title">KV 缓存命中率</div>
<div class="metric-value">{{ cacheHitRate }}%</div>
<div class="metric-desc">
节省成本: {{ (costSavings * 100).toFixed(0) }}%
</div>
</div>
<div class="metric-card">
<div class="metric-title">上下文长度</div>
<div class="metric-value">{{ contextTokens }}</div>
<div class="metric-desc">
迭代: {{ iteration }}
</div>
</div>
<div class="metric-card">
<div class="metric-title">已用工具</div>
<div class="metric-value">{{ toolsUsed.length }}</div>
<div class="metric-desc">
{{ toolsUsed.join(', ') || '无' }}
</div>
</div>
</div>
<div class="explanation" v-if="explanationText">
<div class="exp-title">💡 当前步骤说明</div>
<div class="exp-content">{{ explanationText }}</div>
</div>
<div class="principles">
<div class="principle-title">🎯 Agent 上下文工程核心原则</div>
<div class="principle-list">
<div class="principle-item">
<div class="principle-icon">1</div>
<div class="principle-content">
<strong>保持前缀稳定</strong>
<br>
系统提示和工具定义不要频繁变化提高 KV 缓存命中率
</div>
</div>
<div class="principle-item">
<div class="principle-icon">2</div>
<div class="principle-content">
<strong>只追加不修改</strong>
<br>
上下文应该只追加新的动作和观察不修改历史内容
</div>
</div>
<div class="principle-item">
<div class="principle-icon">3</div>
<div class="principle-content">
<strong>遮蔽而非移除</strong>
<br>
不动态添加/删除工具而是通过 logits 掩码控制可用工具
</div>
</div>
<div class="principle-item">
<div class="principle-icon">4</div>
<div class="principle-content">
<strong>文件系统作为外部记忆</strong>
<br>
大型内容网页PDF写入文件上下文只保留路径
</div>
</div>
</div>
</div>
</div>
</template>
<script setup>
import { computed, ref } from 'vue'
const userInput = ref('帮我搜索最新的 AI 技术文章')
const running = ref(false)
const completed = ref(false)
const step = ref(0)
const iteration = ref(0)
const contextTokens = ref(0)
const currentAction = ref('')
const currentTool = ref('')
const observation = ref('')
const toolsUsed = ref([])
const contextItems = ref([
{ type: '系统提示', content: '你是一个 AI 助手,可以使用搜索和文件工具', tokens: 150, cached: true, active: false },
{ type: '工具定义', content: 'search: 搜索网络信息', tokens: 80, cached: true, active: false },
{ type: '工具定义', content: 'write_file: 写入文件', tokens: 75, cached: true, active: false }
])
const steps = [
{
step: 1,
action: '分析用户需求',
tool: '',
obs: '',
explanation: 'Agent 首先解析用户的请求,决定需要采取什么行动。系统提示和工具定义从缓存读取(绿色),节省成本!',
addTokens: 50
},
{
step: 2,
action: '选择工具: search',
tool: 'search',
obs: '',
explanation: 'Agent 根据用户需求选择合适的工具。注意:工具定义在缓存中,不需要重新计算!',
addTokens: 30
},
{
step: 3,
action: '执行搜索',
tool: 'search',
obs: '找到 5 篇相关文章',
explanation: '工具执行完成,返回观察结果。结果会被追加到上下文中。',
addTokens: 100
},
{
step: 4,
action: '决定保存摘要',
tool: 'write_file',
obs: '文件已保存',
explanation: 'Agent 将搜索结果写入文件,而不是在上下文中保留所有内容。这样上下文保持精简!',
addTokens: 60
},
{
step: 5,
action: '完成任务',
tool: '',
obs: '已保存到 summary.md',
explanation: '任务完成!整个过程中,系统提示和工具定义只缓存一次,每次迭代只追加新的动作和观察结果。',
addTokens: 40
}
]
const cacheHitRate = computed(() => {
const cachedTokens = contextItems.value.filter(item => item.cached).reduce((sum, item) => sum + item.tokens, 0)
const totalTokens = contextTokens.value
return totalTokens > 0 ? ((cachedTokens / totalTokens) * 100).toFixed(1) : 0
})
const costSavings = computed(() => {
return cacheHitRate.value > 0 ? (cacheHitRate.value / 100) * 0.9 : 0
})
const explanationText = computed(() => {
if (step.value === 0) return '点击"开始演示"查看 Agent 如何管理上下文'
const currentStepData = steps[step.value - 1]
return currentStepData ? currentStepData.explanation : ''
})
const startSimulation = () => {
running.value = true
completed.value = false
step.value = 0
iteration.value = 0
contextTokens.value = 305
toolsUsed.value = []
let currentStepIndex = 0
const interval = setInterval(() => {
if (currentStepIndex < steps.length) {
const stepData = steps[currentStepIndex]
step.value = stepData.step
currentAction.value = stepData.action
currentTool.value = stepData.tool
observation.value = stepData.obs
if (stepData.tool) {
toolsUsed.value.push(stepData.tool)
}
// 追加新的上下文项
if (stepData.obs) {
contextItems.value.push({
type: '观察结果',
content: stepData.obs,
tokens: stepData.addTokens,
cached: false,
active: true
})
} else {
contextItems.value.push({
type: '思考',
content: stepData.action,
tokens: stepData.addTokens,
cached: false,
active: true
})
}
contextTokens.value += stepData.addTokens
iteration.value++
currentStepIndex++
} else {
clearInterval(interval)
running.value = false
completed.value = true
}
}, 1500)
}
const reset = () => {
running.value = false
completed.value = false
step.value = 0
iteration.value = 0
contextTokens.value = 0
currentAction.value = ''
currentTool.value = ''
observation.value = ''
toolsUsed.value = []
contextItems.value = [
{ type: '系统提示', content: '你是一个 AI 助手,可以使用搜索和文件工具', tokens: 150, cached: true, active: false },
{ type: '工具定义', content: 'search: 搜索网络信息', tokens: 80, cached: true, active: false },
{ type: '工具定义', content: 'write_file: 写入文件', tokens: 75, cached: true, active: false }
]
}
</script>
<style scoped>
.agent-context-flow {
border: 1px solid var(--vp-c-divider);
border-radius: 8px;
padding: 20px;
background: var(--vp-c-bg-soft);
margin: 20px 0;
}
.flow-controls {
display: flex;
gap: 10px;
margin-bottom: 25px;
justify-content: center;
}
.control-btn {
padding: 12px 24px;
background: var(--vp-c-brand);
color: white;
border: none;
border-radius: 6px;
font-size: 0.9rem;
font-weight: 600;
cursor: pointer;
transition: all 0.2s;
}
.control-btn:hover:not(:disabled) {
background: var(--vp-c-brand-dark);
}
.control-btn:disabled {
opacity: 0.6;
cursor: not-allowed;
}
.control-btn.reset {
background: #22c55e;
}
.control-btn.reset:hover {
background: #16a34a;
}
.flow-visualization {
background: var(--vp-c-bg);
border-radius: 8px;
padding: 20px;
margin-bottom: 25px;
}
.user-input,
.agent-decision,
.tool-execution,
.observation,
.context-update {
display: flex;
align-items: center;
gap: 15px;
padding: 15px;
background: var(--vp-c-bg-soft);
border-radius: 8px;
border-left: 4px solid var(--vp-c-divider);
margin-bottom: 15px;
opacity: 0.5;
transition: all 0.3s;
}
.user-input.active,
.agent-decision.active,
.tool-execution.active,
.observation.active,
.context-update.active {
opacity: 1;
border-left-color: var(--vp-c-brand);
}
.user-input {
border-left-color: #3b82f6;
}
.agent-decision {
border-left-color: #8b5cf6;
}
.tool-execution {
border-left-color: #f59e0b;
}
.observation {
border-left-color: #10b981;
}
.context-update {
border-left-color: #ef4444;
margin-bottom: 0;
}
.input-icon,
.decision-icon,
.tool-icon,
.obs-icon,
.update-icon {
font-size: 2rem;
}
.input-content,
.decision-content,
.tool-content,
.obs-content,
.update-content {
flex: 1;
}
.input-label,
.decision-label,
.tool-label,
.obs-label,
.update-label {
font-size: 0.8rem;
color: var(--vp-c-text-3);
font-weight: 600;
margin-bottom: 4px;
}
.input-text,
.decision-text,
.tool-name,
.obs-text,
.update-text {
font-size: 0.95rem;
color: var(--vp-c-text-1);
font-weight: 600;
}
.arrow-down {
text-align: center;
font-size: 1.5rem;
color: var(--vp-c-text-3);
margin: 5px 0;
}
.context-window {
background: var(--vp-c-bg-soft);
border-radius: 8px;
padding: 15px;
margin-bottom: 15px;
border: 2px solid var(--vp-c-divider);
opacity: 0.5;
transition: all 0.3s;
}
.context-window.active {
opacity: 1;
border-color: var(--vp-c-brand);
}
.window-header {
display: flex;
justify-content: space-between;
align-items: center;
margin-bottom: 12px;
padding-bottom: 8px;
border-bottom: 1px solid var(--vp-c-divider);
}
.window-title {
font-size: 0.9rem;
font-weight: bold;
color: var(--vp-c-text-1);
}
.window-size {
font-size: 0.8rem;
color: var(--vp-c-brand);
font-family: monospace;
font-weight: 600;
}
.window-content {
display: flex;
flex-direction: column;
gap: 8px;
}
.context-item {
display: flex;
align-items: center;
gap: 10px;
padding: 10px;
border-radius: 6px;
background: var(--vp-c-bg);
transition: all 0.3s;
}
.context-item.cached {
border-left: 3px solid #22c55e;
}
.context-item.active {
border-left: 3px solid var(--vp-c-brand);
background: var(--vp-c-bg-soft);
}
.item-type {
font-size: 0.75rem;
padding: 4px 8px;
border-radius: 4px;
background: var(--vp-c-divider);
color: var(--vp-c-text-3);
font-weight: 600;
min-width: 70px;
text-align: center;
}
.item-content {
flex: 1;
font-size: 0.85rem;
color: var(--vp-c-text-2);
}
.item-tokens {
font-size: 0.75rem;
color: var(--vp-c-text-3);
font-family: monospace;
min-width: 60px;
text-align: right;
}
.metrics {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 15px;
margin-bottom: 25px;
}
@media (max-width: 768px) {
.metrics {
grid-template-columns: 1fr;
}
}
.metric-card {
background: var(--vp-c-bg);
border-radius: 8px;
padding: 15px;
border-left: 4px solid var(--vp-c-brand);
}
.metric-title {
font-size: 0.8rem;
color: var(--vp-c-text-3);
font-weight: 600;
margin-bottom: 8px;
}
.metric-value {
font-size: 1.5rem;
font-weight: bold;
color: var(--vp-c-brand);
margin-bottom: 4px;
}
.metric-desc {
font-size: 0.75rem;
color: var(--vp-c-text-3);
}
.explanation {
background: var(--vp-c-bg);
border-radius: 8px;
padding: 20px;
margin-bottom: 25px;
border-left: 4px solid var(--vp-c-brand);
}
.exp-title {
font-size: 1rem;
font-weight: bold;
color: var(--vp-c-text-1);
margin-bottom: 12px;
}
.exp-content {
font-size: 0.9rem;
color: var(--vp-c-text-2);
line-height: 1.8;
}
.principles {
background: var(--vp-c-bg);
border-radius: 8px;
padding: 20px;
}
.principle-title {
font-size: 1rem;
font-weight: bold;
color: var(--vp-c-text-1);
margin-bottom: 15px;
}
.principle-list {
display: flex;
flex-direction: column;
gap: 15px;
}
.principle-item {
display: flex;
gap: 15px;
padding: 15px;
background: var(--vp-c-bg-soft);
border-radius: 8px;
}
.principle-icon {
font-size: 1.5rem;
flex-shrink: 0;
}
.principle-content {
flex: 1;
font-size: 0.85rem;
color: var(--vp-c-text-2);
line-height: 1.8;
}
</style>