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"use client"
import { useEffect , useRef , useState } from "react"
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import { useDictionary } from "@/hooks/use-dictionary"
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import { wrapWithMxFile } from "@/lib/utils"
// Dev XML presets for streaming simulator
const DEV_XML_PRESETS : Record < string , string > = {
"Simple Box" : `<mxCell id="2" value="Hello World" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;" vertex="1" parent="1">
<mxGeometry x="120" y="100" width="120" height="60" as="geometry"/>
</mxCell>` ,
"Two Boxes with Arrow" : `<mxCell id="2" value="Start" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;" vertex="1" parent="1">
<mxGeometry x="100" y="100" width="100" height="50" as="geometry"/>
</mxCell>
<mxCell id="3" value="End" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;" vertex="1" parent="1">
<mxGeometry x="300" y="100" width="100" height="50" as="geometry"/>
</mxCell>
<mxCell id="4" value="" style="endArrow=classic;html=1;" edge="1" parent="1" source="2" target="3">
<mxGeometry relative="1" as="geometry"/>
</mxCell>` ,
Flowchart : `<mxCell id="2" value="Start" style="ellipse;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;" vertex="1" parent="1">
<mxGeometry x="160" y="40" width="80" height="40" as="geometry"/>
</mxCell>
<mxCell id="3" value="Process A" style="rounded=0;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;" vertex="1" parent="1">
<mxGeometry x="140" y="120" width="120" height="60" as="geometry"/>
</mxCell>
<mxCell id="4" value="Decision" style="rhombus;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;" vertex="1" parent="1">
<mxGeometry x="150" y="220" width="100" height="80" as="geometry"/>
</mxCell>
<mxCell id="5" value="Process B" style="rounded=0;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;" vertex="1" parent="1">
<mxGeometry x="300" y="230" width="120" height="60" as="geometry"/>
</mxCell>
<mxCell id="6" value="End" style="ellipse;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;" vertex="1" parent="1">
<mxGeometry x="160" y="340" width="80" height="40" as="geometry"/>
</mxCell>
<mxCell id="7" style="endArrow=classic;html=1;" edge="1" parent="1" source="2" target="3">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="8" style="endArrow=classic;html=1;" edge="1" parent="1" source="3" target="4">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="9" value="Yes" style="endArrow=classic;html=1;" edge="1" parent="1" source="4" target="6">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="10" value="No" style="endArrow=classic;html=1;exitX=1;exitY=0.5;exitDx=0;exitDy=0;" edge="1" parent="1" source="4" target="5">
<mxGeometry relative="1" as="geometry"/>
</mxCell>` ,
"Truncated (Error Test)" : `<mxCell id="2" value="This cell is truncated" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;" vertex="1" parent="1">
<mxGeometry x="120" y="100" width="120" height="60" as="geometry"/>
</mxCell>
<mxCell id="3" value="Incomplete" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor` ,
"HTML Escape + Cell Truncate" : `<mxCell id="2" value="<b>Chain-of-Thought Prompting</b><br/><font size='12'>Eliciting Reasoning in Large Language Models</font>" style="rounded=0;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;fontSize=16;fontStyle=1;" vertex="1" parent="1">
<mxGeometry x="40" y="40" width="720" height="60" as="geometry"/>
</mxCell>
<mxCell id="3" value="<b>Problem: LLM Reasoning Limitations</b><br/>• Scaling parameters alone insufficient for logical tasks<br/>• Arithmetic, commonsense, symbolic reasoning challenges<br/>• Standard prompting fails on multi-step problems" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;" vertex="1" parent="1">
<mxGeometry x="40" y="120" width="340" height="120" as="geometry"/>
</mxCell>
<mxCell id="4" value="<b>Traditional Approaches</b><br/>1. <b>Finetuning:</b> Expensive, task-specific<br/>2. <b>Standard Few-Shot:</b> Input→Output pairs<br/> (No explanation of reasoning)" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;" vertex="1" parent="1">
<mxGeometry x="420" y="120" width="340" height="120" as="geometry"/>
</mxCell>
<mxCell id="5" value="<b>CoT Methodology</b><br/>• Add reasoning steps to few-shot examples<br/>• Natural language intermediate steps<br/>• No parameter updates needed<br/>• Model learns to generate own thought process" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;" vertex="1" parent="1">
<mxGeometry x="40" y="260" width="340" height="100" as="geometry"/>
</mxCell>
<mxCell id="6" value="<b>Example Comparison</b><br/><b>Standard:</b><br/>Q: Roger has 5 balls. He buys 2 cans of 3 balls. How many?<br/>A: 11.<br/><br/><b>CoT:</b><br/>Q: Roger has 5 balls. He buys 2 cans of 3 balls. How many?<br/>A: Roger started with 5 balls. 2 cans of 3 tennis balls each is 6 tennis balls. 5 + 6 = 11. The answer is 11." style="rounded=1;whiteSpace=wrap;html=1;fillColor=#e1d5e7;strokeColor=#9673a6;" vertex="1" parent="1">
<mxGeometry x="420" y="260" width="340" height="140" as="geometry"/>
</mxCell>
<mxCell id="7" value="<b>Experimental Models</b><br/>• GPT-3 (175B)<br/>• LaMDA (137B)<br/>• PaLM (540B)<br/>• UL2 (20B)<br/>• Codex" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;" vertex="1" parent="1">
<mxGeometry x="40" y="380" width="340" height="100" as="geometry"/>
</mxCell>
<mxCell id="8" value="<b>Reasoning Domains Tested</b><br/>1. <b>Arithmetic:</b> GSM8K, SVAMP, ASDiv, AQuA, MAWPS<br/>2. <b>Commonsense:</b> CSQA, StrategyQA, Date Understanding, Sports Understanding<br/>3. <b>Symbolic:</b> Last Letter Concatenation, Coin Flip" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f5f5f5;strokeColor=#666666;" vertex="1" parent="1">
<mxGeometry x="420" y="420" width="340" height="100" as="geometry"/>
</mxCell>
<mxCell id="9" value="<b>Key Results: Arithmetic</b><br/>• PaLM 540B + CoT: <b>56.9%</b> on GSM8K<br/> (vs 17.9% standard)<br/>• Surpassed finetuned GPT-3 (55%)<br/>• With calculator: <b>58.6%</b>" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;" vertex="1" parent="1">
<mxGeometry x="40" y="500" width="220" height="100" as="geometry"/>
</mxCell>
<mxCell id="10" value="<b>Key Results: Commonsense</b><br/>• StrategyQA: <b>75.6%</b><br/> (vs 69.4% SOTA)<br/>• Sports Understanding: <b>95.4%</b><br/> (vs 84% human)" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;" vertex="1" parent="1">
<mxGeometry x="280" y="500" width="220" height="100" as="geometry"/>
</mxCell>
<mxCell id="11" value="<b>Key Results: Symbolic</b><br/>• OOD Generalization<br/>• Coin Flip: Trained on 2 flips<br/> Works on 3-4 flips with CoT<br/>• Standard prompting fails" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#d5e8d4;strokeColor=#82b366;" vertex="1" parent="1">
<mxGeometry x="540" y="500" width="220" height="100" as="geometry"/>
</mxCell>
<mxCell id="12" value="<b>Emergent Ability of Scale</b><br/>• Small models (<10B): No benefit, often harmful<br/>• Large models (100B+): Reasoning emerges<br/>• CoT gains increase dramatically with scale" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#ffe6cc;strokeColor=#d79b00;" vertex="1" parent="1">
<mxGeometry x="40" y="620" width="340" height="80" as="geometry"/>
</mxCell>
<mxCell id="13" value="<b>Ablation Studies</b><br/>1. Equation only: Worse than CoT<br/>2. Variable compute (...): No improvement<br/>3. Answer first, then reasoning: Same as baseline<br/>→ Content matters, not just extra tokens" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#fff2cc;strokeColor=#d6b656;" vertex="1" parent="1">
<mxGeometry x="420" y="620" width="340" height="80" as="geometry"/>
</mxCell>
<mxCell id="14" value="<b>Error Analysis</b><br/>• Semantic understanding errors<br/>• One-step missing errors<br/>• Calculation errors<br/>• Larger models reduce semantic/missing-step errors" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#f8cecc;strokeColor=#b85450;" vertex="1" parent="1">
<mxGeometry x="40" y="720" width="340" height="80" as="geometry"/>
</mxCell>
<mxCell id="15" value="<b>Conclusion</b><br/>• CoT unlocks reasoning potential<br/>• Simple paradigm: "show your work"<br/>• Emergent capability of large models<br/>• No specialized architecture needed" style="rounded=1;whiteSpace=wrap;html=1;fillColor=#dae8fc;strokeColor=#6c8ebf;" vertex="1" parent="1">
<mxGeometry x="420" y="720" width="340" height="80" as="geometry"/>
</mxCell>
<mxCell id="16" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="3" target="5">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="17" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="4" target="6">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="18" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="5" target="7">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="19" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="6" target="8">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="20" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.25;entryY=0;" edge="1" parent="1" source="7" target="9">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="21" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="7" target="10">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="22" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.75;entryY=0;" edge="1" parent="1" source="7" target="11">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="23" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="9" target="12">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="24" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="10" target="13">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="25" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="11" target="14">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="26" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="12" target="15">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="27" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="13" target="15">
<mxGeometry relative="1" as="geometry"/>
</mxCell>
<mxCell id="28" style="edgeStyle=orthogonalEdgeStyle;rounded=0;orthogonalLoop=1;jettySize=auto;html=1;exitX=0.5;exitY=1;entryX=0.5;entryY=0;" edge="1" parent="1" source="14" target="15">
<mxGeometry relative="1" as="geometry"/>
</mxCell> ` ,
}
interface DevXmlSimulatorProps {
setMessages : React.Dispatch < React.SetStateAction < any [] >>
onDisplayChart : ( xml : string ) => void
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onShowQuotaToast ?: () => void
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}
export function DevXmlSimulator ({
setMessages ,
onDisplayChart ,
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onShowQuotaToast ,
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} : DevXmlSimulatorProps ) {
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const dict = useDictionary ()
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const [ devXml , setDevXml ] = useState ( "" )
const [ isSimulating , setIsSimulating ] = useState ( false )
const [ devIntervalMs , setDevIntervalMs ] = useState ( 1 )
const [ devChunkSize , setDevChunkSize ] = useState ( 10 )
const devStopRef = useRef ( false )
const devXmlInitializedRef = useRef ( false )
// Restore dev XML from localStorage on mount (after hydration)
useEffect (() => {
const saved = localStorage . getItem ( "dev-xml-simulator" )
if ( saved ) setDevXml ( saved )
devXmlInitializedRef . current = true
}, [])
// Save dev XML to localStorage (only after initial load)
useEffect (() => {
if ( devXmlInitializedRef . current ) {
localStorage . setItem ( "dev-xml-simulator" , devXml )
}
}, [ devXml ])
const handleDevSimulate = async () => {
if ( ! devXml . trim () || isSimulating ) return
setIsSimulating ( true )
devStopRef . current = false
const toolCallId = `dev-sim- ${ Date . now () } `
const xml = devXml . trim ()
// Add user message and initial assistant message with empty XML
const userMsg = {
id : `user- ${ Date . now () } ` ,
role : "user" as const ,
parts : [
{
type : "text" as const ,
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text : dict.dev.simulatingMessage ,
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},
],
}
const assistantMsg = {
id : `assistant- ${ Date . now () } ` ,
role : "assistant" as const ,
parts : [
{
type : "tool-display_diagram" as const ,
toolCallId ,
state : "input-streaming" as const ,
input : { xml : "" },
},
],
}
setMessages (( prev ) => [... prev , userMsg , assistantMsg ] as any )
// Stream characters progressively
for ( let i = 0 ; i < xml . length ; i += devChunkSize ) {
if ( devStopRef . current ) {
setIsSimulating ( false )
return
}
const chunk = xml . slice ( 0 , i + devChunkSize )
setMessages (( prev ) => {
const updated = [... prev ]
const lastMsg = updated [ updated . length - 1 ] as any
if ( lastMsg ? . role === "assistant" && lastMsg . parts ? .[ 0 ]) {
lastMsg . parts [ 0 ]. input = { xml : chunk }
}
return updated
})
await new Promise (( r ) => setTimeout ( r , devIntervalMs ))
}
if ( devStopRef . current ) {
setIsSimulating ( false )
return
}
// Finalize: set state to output-available
setMessages (( prev ) => {
const updated = [... prev ]
const lastMsg = updated [ updated . length - 1 ] as any
if ( lastMsg ? . role === "assistant" && lastMsg . parts ? .[ 0 ]) {
lastMsg . parts [ 0 ]. state = "output-available"
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lastMsg . parts [ 0 ]. output = dict . dev . successMessage
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lastMsg . parts [ 0 ]. input = { xml }
}
return updated
})
// Display the final diagram
const fullXml = wrapWithMxFile ( xml )
onDisplayChart ( fullXml )
setIsSimulating ( false )
}
return (
< div className = "border-t border-dashed border-orange-500/50 px-4 py-2 bg-orange-50/50 dark:bg-orange-950/30" >
< details >
< summary className = "text-xs text-orange-600 dark:text-orange-400 cursor-pointer font-medium" >
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{ dict . dev . title }
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</ summary >
< div className = "mt-2 space-y-2" >
< div className = "flex items-center gap-2" >
< label className = "text-xs text-muted-foreground whitespace-nowrap" >
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{ dict . dev . preset }
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</ label >
< select
onChange = {( e ) => {
if ( e . target . value ) {
setDevXml ( DEV_XML_PRESETS [ e . target . value ])
}
}}
className = "flex-1 text-xs p-1 border rounded bg-background"
defaultValue = ""
>
< option value = "" disabled >
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{ dict . dev . selectPreset }
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</ option >
{ Object . keys ( DEV_XML_PRESETS ). map (( name ) => (
< option key = { name } value = { name }>
{ name }
</ option >
))}
</ select >
< button
type = "button"
onClick = {() => setDevXml ( "" )}
className = "px-2 py-1 text-xs text-muted-foreground hover:text-foreground border rounded"
>
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{ dict . dev . clear }
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</ button >
</ div >
< textarea
value = { devXml }
onChange = {( e ) => setDevXml ( e . target . value )}
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placeholder = { dict . dev . placeholder }
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className = "w-full h-24 text-xs font-mono p-2 border rounded bg-background"
/>
< div className = "flex items-center gap-4" >
< div className = "flex items-center gap-2 flex-1" >
< label className = "text-xs text-muted-foreground whitespace-nowrap" >
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{ dict . dev . interval }
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</ label >
< input
type = "range"
min = "1"
max = "200"
step = "1"
value = { devIntervalMs }
onChange = {( e ) =>
setDevIntervalMs ( Number ( e . target . value ))
}
className = "flex-1 h-1 accent-orange-500"
/>
< span className = "text-xs text-muted-foreground w-12" >
{ devIntervalMs } ms
</ span >
</ div >
< div className = "flex items-center gap-2" >
< label className = "text-xs text-muted-foreground whitespace-nowrap" >
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{ dict . dev . chars }
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</ label >
< input
type = "number"
min = "1"
max = "100"
value = { devChunkSize }
onChange = {( e ) =>
setDevChunkSize (
Math . max ( 1 , Number ( e . target . value )),
)
}
className = "w-14 text-xs p-1 border rounded bg-background"
/>
</ div >
</ div >
< div className = "flex gap-2" >
< button
type = "button"
onClick = { handleDevSimulate }
disabled = { isSimulating || ! devXml . trim ()}
className = "px-3 py-1 text-xs bg-orange-500 text-white rounded hover:bg-orange-600 disabled:opacity-50 disabled:cursor-not-allowed"
>
{ isSimulating
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? dict . dev . streaming
: ` ${ dict . dev . simulate } ( ${ devChunkSize } chars/ ${ devIntervalMs } ms)` }
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</ button >
{ isSimulating && (
< button
type = "button"
onClick = {() => {
devStopRef . current = true
}}
className = "px-3 py-1 text-xs bg-red-500 text-white rounded hover:bg-red-600"
>
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{ dict . dev . stop }
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</ button >
)}
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{ onShowQuotaToast && (
< button
type = "button"
onClick = { onShowQuotaToast }
className = "px-3 py-1 text-xs bg-purple-500 text-white rounded hover:bg-purple-600"
>
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{ dict . dev . testQuotaToast }
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</ button >
)}
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</ div >
</ div >
</ details >
</ div >
)
}
