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https://github.com/DayuanJiang/next-ai-draw-io.git
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feat: Display AI reasoning/thinking blocks in chat interface (#152)
* feat: Add reasoning/thinking blocks display in chat interface * feat: add multi-provider options support and replace custom reasoning UI with AI Elements * resolve conflicting reasoning configs and correct provider-specific reasoning parameters * try to solve conflict * fix: simplify reasoning display and remove unnecessary dependencies - Remove Streamdown dependency (~5MB) - reasoning is plain text only - Fix Bedrock providerOptions merging for Claude reasoning configs - Remove unsupported DeepSeek reasoning configuration - Clean up unused environment variables (REASONING_BUDGET_TOKENS, REASONING_EFFORT, DEEPSEEK_REASONING_*) - Remove dead commented code from route.ts Reasoning blocks contain plain thinking text and don't need markdown/diagram/code rendering. * feat: comprehensive reasoning support improvements Major improvements: - Auto-enable reasoning display for all supported models - Fix provider-specific reasoning configurations - Remove unnecessary Streamdown dependency (~5MB) - Clean up debug logging Provider changes: - OpenAI: Auto-enable reasoningSummary for o1/o3/gpt-5 models - Google: Auto-enable includeThoughts for Gemini 2.5/3 models - Bedrock: Restrict reasoningConfig to only Claude/Nova (fixes MiniMax error) - Ollama: Add thinking support for qwen3-like models Other improvements: - Remove ENABLE_REASONING toggle (always enabled) - Fix Bedrock providerOptions merging for Claude - Simplify reasoning component (plain text rendering) - Clean up unused environment variables * fix: critical bugs and documentation gaps in reasoning support Critical fixes: - Fix Bedrock shallow merge bug (deep merge preserves anthropicBeta + reasoningConfig) - Add parseInt validation with parseIntSafe helper (prevents NaN errors) - Validate all numeric env vars with min/max ranges Documentation improvements: - Add BEDROCK_REASONING_BUDGET_TOKENS and BEDROCK_REASONING_EFFORT to env.example - Add OLLAMA_ENABLE_THINKING to env.example - Update JSDoc with accurate env var list and ranges Code cleanup: - Remove debug console.log statements from route.ts - Refactor duplicate providerOptions assignments --------- Co-authored-by: Dayuan Jiang <34411969+DayuanJiang@users.noreply.github.com> Co-authored-by: Dayuan Jiang <jdy.toh@gmail.com>
This commit is contained in:
Biki Kalita
186
components/ai-elements/reasoning.tsx
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186
components/ai-elements/reasoning.tsx
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"use client"
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import { useControllableState } from "@radix-ui/react-use-controllable-state"
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import { BrainIcon, ChevronDownIcon } from "lucide-react"
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import type { ComponentProps, ReactNode } from "react"
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import { createContext, memo, useContext, useEffect, useState } from "react"
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import {
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Collapsible,
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CollapsibleContent,
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CollapsibleTrigger,
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} from "@/components/ui/collapsible"
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import { cn } from "@/lib/utils"
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import { Shimmer } from "./shimmer"
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type ReasoningContextValue = {
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isStreaming: boolean
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isOpen: boolean
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setIsOpen: (open: boolean) => void
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duration: number | undefined
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}
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const ReasoningContext = createContext<ReasoningContextValue | null>(null)
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export const useReasoning = () => {
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const context = useContext(ReasoningContext)
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if (!context) {
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throw new Error("Reasoning components must be used within Reasoning")
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}
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return context
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}
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export type ReasoningProps = ComponentProps<typeof Collapsible> & {
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isStreaming?: boolean
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open?: boolean
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defaultOpen?: boolean
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onOpenChange?: (open: boolean) => void
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duration?: number
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}
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const AUTO_CLOSE_DELAY = 1000
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const MS_IN_S = 1000
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export const Reasoning = memo(
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({
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className,
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isStreaming = false,
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open,
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defaultOpen = true,
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onOpenChange,
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duration: durationProp,
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children,
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...props
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}: ReasoningProps) => {
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const [isOpen, setIsOpen] = useControllableState({
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prop: open,
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defaultProp: defaultOpen,
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onChange: onOpenChange,
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})
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const [duration, setDuration] = useControllableState({
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prop: durationProp,
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defaultProp: undefined,
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})
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const [hasAutoClosed, setHasAutoClosed] = useState(false)
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const [startTime, setStartTime] = useState<number | null>(null)
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// Track duration when streaming starts and ends
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useEffect(() => {
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if (isStreaming) {
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if (startTime === null) {
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setStartTime(Date.now())
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}
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} else if (startTime !== null) {
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setDuration(Math.ceil((Date.now() - startTime) / MS_IN_S))
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setStartTime(null)
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}
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}, [isStreaming, startTime, setDuration])
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// Auto-open when streaming starts, auto-close when streaming ends (once only)
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useEffect(() => {
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if (defaultOpen && !isStreaming && isOpen && !hasAutoClosed) {
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// Add a small delay before closing to allow user to see the content
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const timer = setTimeout(() => {
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setIsOpen(false)
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setHasAutoClosed(true)
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}, AUTO_CLOSE_DELAY)
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return () => clearTimeout(timer)
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}
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}, [isStreaming, isOpen, defaultOpen, setIsOpen, hasAutoClosed])
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const handleOpenChange = (newOpen: boolean) => {
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setIsOpen(newOpen)
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}
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return (
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<ReasoningContext.Provider
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value={{ isStreaming, isOpen, setIsOpen, duration }}
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>
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<Collapsible
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className={cn("not-prose mb-4", className)}
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onOpenChange={handleOpenChange}
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open={isOpen}
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{...props}
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>
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{children}
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</Collapsible>
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</ReasoningContext.Provider>
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)
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},
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)
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export type ReasoningTriggerProps = ComponentProps<
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typeof CollapsibleTrigger
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> & {
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getThinkingMessage?: (isStreaming: boolean, duration?: number) => ReactNode
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}
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const defaultGetThinkingMessage = (isStreaming: boolean, duration?: number) => {
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if (isStreaming || duration === 0) {
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return <Shimmer duration={1}>Thinking...</Shimmer>
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}
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if (duration === undefined) {
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return <p>Thought for a few seconds</p>
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}
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return <p>Thought for {duration} seconds</p>
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}
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export const ReasoningTrigger = memo(
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({
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className,
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children,
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getThinkingMessage = defaultGetThinkingMessage,
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...props
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}: ReasoningTriggerProps) => {
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const { isStreaming, isOpen, duration } = useReasoning()
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return (
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<CollapsibleTrigger
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className={cn(
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"flex w-full items-center gap-2 text-muted-foreground text-sm transition-colors hover:text-foreground",
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className,
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)}
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{...props}
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>
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{children ?? (
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<>
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<BrainIcon className="size-4" />
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{getThinkingMessage(isStreaming, duration)}
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<ChevronDownIcon
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className={cn(
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"size-4 transition-transform",
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isOpen ? "rotate-180" : "rotate-0",
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)}
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/>
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</>
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)}
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</CollapsibleTrigger>
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)
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},
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)
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export type ReasoningContentProps = ComponentProps<
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typeof CollapsibleContent
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> & {
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children: string
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}
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export const ReasoningContent = memo(
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({ className, children, ...props }: ReasoningContentProps) => (
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<CollapsibleContent
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className={cn(
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"mt-4 text-sm",
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"data-[state=closed]:fade-out-0 data-[state=closed]:slide-out-to-top-2 data-[state=open]:slide-in-from-top-2 text-muted-foreground outline-none data-[state=closed]:animate-out data-[state=open]:animate-in",
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className,
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)}
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{...props}
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>
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<div className="whitespace-pre-wrap">{children}</div>
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</CollapsibleContent>
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),
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)
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Reasoning.displayName = "Reasoning"
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ReasoningTrigger.displayName = "ReasoningTrigger"
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ReasoningContent.displayName = "ReasoningContent"
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