feat: add AI-powered stock analysis with real-time insights

- Add StockAIAnalysisCard component for displaying AI analysis results - Add stock-analysis server actions and helper utilities - Integrate Finnhub data into AI analysis pipeline - Update AI provider with enhanced stock analysis capabilities - Add Inngest prompt templates for stock analysis - Wire AI analysis into stock symbol page - Add unit tests for stock analysis helpers Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
2026-06-01 17:11:45 +00:00 · 2026-06-01 17:11:45 +00:00 · 0ec58caa62
parent 8326133a70
commit 0ec58caa62
10 changed files with 688 additions and 12 deletions
--- a/tests/ai-provider.test.ts
+++ b/tests/ai-provider.test.ts
@ -2,6 +2,7 @@ import { describe, it, expect, vi, beforeEach, afterEach } from "vitest";
 import {
  getProviderConfig,
  getFallbackProviderName,
+  hasConfiguredAIProvider,
  callAIProvider,
  callAIProviderWithFallback,
  type AIProviderName,
@ -97,6 +98,34 @@ describe("getFallbackProviderName", () => {
  });
 });

+describe("hasConfiguredAIProvider", () => {
+  const originalEnv = { ...process.env };
+
+  afterEach(() => {
+    process.env = { ...originalEnv };
+  });
+
+  it("returns true when the primary provider has a key", () => {
+    process.env.AI_PROVIDER = "gemini";
+    process.env.GEMINI_API_KEY = "g";
+    expect(hasConfiguredAIProvider()).toBe(true);
+  });
+
+  it("returns true when only the fallback provider has a key", () => {
+    process.env.AI_PROVIDER = "gemini";
+    delete process.env.GEMINI_API_KEY;
+    process.env.MINIMAX_API_KEY = "m";
+    expect(hasConfiguredAIProvider()).toBe(true);
+  });
+
+  it("returns false when neither primary nor fallback has a key", () => {
+    process.env.AI_PROVIDER = "minimax";
+    delete process.env.MINIMAX_API_KEY;
+    delete process.env.GEMINI_API_KEY;
+    expect(hasConfiguredAIProvider()).toBe(false);
+  });
+});
+
 // ── callAIProvider ─────────────────────────────────────────────────

 describe("callAIProvider", () => {
--- a/tests/stock-analysis.helpers.test.ts
+++ b/tests/stock-analysis.helpers.test.ts
@ -0,0 +1,93 @@
+import { describe, expect, it } from 'vitest';
+import {
+    buildStockAnalysisPrompt,
+    parseStockAnalysisResponse,
+} from '@/lib/actions/stock-analysis.helpers';
+
+describe('stock-analysis.helpers', () => {
+    it('builds a prompt with consolidated stock context', () => {
+        const prompt = buildStockAnalysisPrompt({
+            symbol: 'AAPL',
+            quote: {
+                c: 198.12,
+                d: 2.11,
+                dp: 1.08,
+                h: 199.2,
+                l: 195.8,
+                o: 196.1,
+                pc: 196.01,
+            },
+            profile: {
+                name: 'Apple Inc.',
+                exchange: 'NASDAQ',
+                finnhubIndustry: 'Technology',
+                marketCapitalization: 3100000,
+                country: 'US',
+                currency: 'USD',
+                ipo: '1980-12-12',
+                weburl: 'https://apple.com',
+            },
+            basicFinancials: {
+                metric: {
+                    peBasicExclExtraTTM: 31.2,
+                    epsTTM: 6.4,
+                    beta: 1.1,
+                    '52WeekHigh': 200,
+                    '52WeekLow': 164,
+                    '52WeekPriceReturnDaily': 12.5,
+                    targetPrice: 210,
+                },
+            },
+            sentimentInsights: {
+                symbol: 'AAPL',
+                companyName: 'Apple Inc.',
+                averageBuzz: 74.2,
+                bullishAverage: 62.1,
+                sourceAlignment: 'Bullish alignment',
+                availableSources: 3,
+                sources: [],
+            },
+            recentHeadlines: [
+                {
+                    headline: 'Apple expands services bundle',
+                    summary: 'Investors are watching recurring revenue trends.',
+                    source: 'Reuters',
+                    datetime: 1717171717,
+                },
+            ],
+        });
+
+        expect(prompt).toContain('"symbol": "AAPL"');
+        expect(prompt).toContain('"companyName": "Apple Inc."');
+        expect(prompt).toContain('"currentPrice": "$198.12"');
+        expect(prompt).toContain('"peRatio": "31.20x"');
+        expect(prompt).toContain('"sourceAlignment": "Bullish alignment"');
+        expect(prompt).toContain('Apple expands services bundle');
+    });
+
+    it('parses fenced json responses', () => {
+        const analysis = parseStockAnalysisResponse(
+            '```json\n{"stance":"Bullish","confidence":"High","summary":"Momentum and fundamentals remain supportive.","keyDrivers":["Revenue mix is improving"],"risks":["Valuation is elevated"],"watchItems":["Next earnings execution"]}\n```',
+            'AAPL',
+            'Apple Inc.',
+        );
+
+        expect(analysis).not.toBeNull();
+        expect(analysis?.stance).toBe('Bullish');
+        expect(analysis?.confidence).toBe('High');
+        expect(analysis?.keyDrivers).toEqual(['Revenue mix is improving']);
+    });
+
+    it('falls back to plain text when the model does not return json', () => {
+        const analysis = parseStockAnalysisResponse(
+            'The setup is balanced: momentum is positive, but valuation limits upside.',
+            'AAPL',
+            'Apple Inc.',
+        );
+
+        expect(analysis).not.toBeNull();
+        expect(analysis?.stance).toBe('Neutral');
+        expect(analysis?.confidence).toBe('Low');
+        expect(analysis?.summary).toContain('valuation limits upside');
+    });
+});
--- a/app/(root)/stocks/[symbol]/page.tsx
+++ b/app/(root)/stocks/[symbol]/page.tsx
@ -1,5 +1,6 @@
 import TradingViewWidget from "@/components/TradingViewWidget";
 import WatchlistButton from "@/components/WatchlistButton";
+import StockAIAnalysisCard from "@/components/stocks/StockAIAnalysisCard";
 import StockSentimentCard from "@/components/stocks/StockSentimentCard";
 import {
    SYMBOL_INFO_WIDGET_CONFIG,
@ -13,7 +14,7 @@ import {
 import { auth } from '@/lib/better-auth/auth';
 import { headers } from 'next/headers';
 import { isStockInWatchlist } from '@/lib/actions/watchlist.actions';
-import { getStockSentimentInsights } from '@/lib/actions/adanos.actions';
+import { getStockDetailInsights } from '@/lib/actions/stock-analysis.actions';
 import { formatSymbolForTradingView } from '@/lib/utils';

 export default async function StockDetails({ params }: StockDetailsPageProps) {
@ -25,10 +26,11 @@ export default async function StockDetails({ params }: StockDetailsPageProps) {
        headers: await headers()
    });
    const userId = session?.user?.id;
-    const [isInWatchlist, sentimentInsights] = await Promise.all([
+    const [isInWatchlist, stockInsights] = await Promise.all([
        userId ? isStockInWatchlist(userId, symbol) : Promise.resolve(false),
-        getStockSentimentInsights(symbol),
+        getStockDetailInsights(symbol),
    ]);
+    const { sentimentInsights, aiAnalysis } = stockInsights;

    return (
        <div className="flex min-h-screen p-4 md:p-6 lg:p-8">
@ -63,12 +65,14 @@ export default async function StockDetails({ params }: StockDetailsPageProps) {
                    <div className="flex items-center justify-between">
                        <WatchlistButton
                            symbol={symbol.toUpperCase()}
-                            company={symbol.toUpperCase()}
+                            company={aiAnalysis?.companyName ?? sentimentInsights?.companyName ?? symbol.toUpperCase()}
                            isInWatchlist={isInWatchlist}
                            userId={userId}
                        />
                    </div>

+                    <StockAIAnalysisCard analysis={aiAnalysis} />
+
                    <StockSentimentCard insight={sentimentInsights} />

                    <TradingViewWidget
--- a/components/stocks/StockAIAnalysisCard.tsx
+++ b/components/stocks/StockAIAnalysisCard.tsx
@ -0,0 +1,85 @@
+import type { StockAIAnalysis } from '@/lib/actions/stock-analysis.helpers';
+
+interface StockAIAnalysisCardProps {
+    analysis: StockAIAnalysis | null;
+}
+
+function getStanceClasses(stance: StockAIAnalysis['stance']) {
+    if (stance === 'Bullish') return 'border-emerald-500/30 bg-emerald-500/10 text-emerald-300';
+    if (stance === 'Bearish') return 'border-rose-500/30 bg-rose-500/10 text-rose-300';
+    return 'border-amber-500/30 bg-amber-500/10 text-amber-200';
+}
+
+function renderList(title: string, items: string[]) {
+    return (
+        <div className="rounded-xl border border-gray-800 bg-black/20 p-4">
+            <h3 className="text-sm font-semibold uppercase tracking-[0.18em] text-gray-400">{title}</h3>
+            {items.length ? (
+                <ul className="mt-3 space-y-3">
+                    {items.map((item) => (
+                        <li key={item} className="flex gap-3 text-sm text-gray-200">
+                            <span className="mt-2 h-1.5 w-1.5 rounded-full bg-yellow-400" />
+                            <span>{item}</span>
+                        </li>
+                    ))}
+                </ul>
+            ) : (
+                <p className="mt-3 text-sm text-gray-400">No additional signals generated.</p>
+            )}
+        </div>
+    );
+}
+
+export default function StockAIAnalysisCard({ analysis }: StockAIAnalysisCardProps) {
+    if (!analysis) {
+        return (
+            <section className="rounded-2xl border border-gray-800 bg-gray-950/40 p-5 backdrop-blur-sm">
+                <p className="text-xs font-semibold uppercase tracking-[0.22em] text-gray-500">AI Stock Analysis</p>
+                <h2 className="mt-2 text-xl font-semibold text-white">Professional research note unavailable</h2>
+                <p className="mt-3 text-sm leading-6 text-gray-400">
+                    The stock dashboard data loaded, but an AI research note could not be generated right now.
+                </p>
+            </section>
+        );
+    }
+
+    return (
+        <section className="rounded-2xl border border-gray-800 bg-gray-950/40 p-5 backdrop-blur-sm">
+            <div className="flex flex-col gap-4">
+                <div className="flex flex-col gap-3 md:flex-row md:items-start md:justify-between">
+                    <div>
+                        <p className="text-xs font-semibold uppercase tracking-[0.22em] text-gray-500">
+                            AI Stock Analysis
+                        </p>
+                        <h2 className="mt-2 text-xl font-semibold text-white">
+                            {analysis.companyName ? `${analysis.companyName} (${analysis.symbol})` : analysis.symbol}
+                        </h2>
+                        <p className="mt-2 text-sm leading-6 text-gray-300">{analysis.summary}</p>
+                    </div>
+
+                    <div className="flex flex-wrap gap-2">
+                        <span
+                            className={`rounded-full border px-3 py-1 text-xs font-semibold uppercase tracking-[0.18em] ${getStanceClasses(analysis.stance)}`}
+                        >
+                            {analysis.stance}
+                        </span>
+                        <span className="rounded-full border border-gray-700 bg-black/20 px-3 py-1 text-xs font-semibold uppercase tracking-[0.18em] text-gray-200">
+                            {analysis.confidence} confidence
+                        </span>
+                    </div>
+                </div>
+
+                <div className="grid grid-cols-1 gap-4 md:grid-cols-3">
+                    {renderList('Key drivers', analysis.keyDrivers)}
+                    {renderList('Risks', analysis.risks)}
+                    {renderList('What to watch', analysis.watchItems)}
+                </div>
+
+                <p className="text-xs text-gray-500">
+                    Educational analysis only. Use it as a synthesis of the dashboard inputs, not as personal
+                    financial advice.
+                </p>
+            </div>
+        </section>
+    );
+}
--- a/lib/actions/finnhub.actions.ts
+++ b/lib/actions/finnhub.actions.ts
@ -11,15 +11,27 @@ type FinnhubQuote = {
    c?: number;
    d?: number;
    dp?: number;
+    h?: number;
+    l?: number;
+    o?: number;
+    pc?: number;
 };

 type FinnhubCompanyProfile = {
+    country?: string;
    currency?: string;
    exchange?: string;
+    finnhubIndustry?: string;
+    ipo?: string;
    logo?: string;
    marketCapitalization?: number;
    name?: string;
    ticker?: string;
+    weburl?: string;
+};
+
+export type FinnhubBasicFinancials = {
+    metric?: Record<string, number | string | null | undefined>;
 };

 type SearchStockCandidate = FinnhubSearchResult & {
@ -87,6 +99,39 @@ export async function getCompanyProfile(symbol: string) {
    }
 }

+export async function getBasicFinancials(symbol: string) {
+    try {
+        const token = NEXT_PUBLIC_FINNHUB_API_KEY;
+        const url = `${FINNHUB_BASE_URL}/stock/metric?symbol=${encodeURIComponent(symbol)}&metric=all&token=${token}`;
+        // Cache basic financial metrics for 1 hour
+        return await fetchJSON<FinnhubBasicFinancials>(url, 3600);
+    } catch (e) {
+        console.error('Error fetching basic financials for', symbol, e);
+        return null;
+    }
+}
+
+export async function getCompanyNews(symbol: string, days: number = 5): Promise<MarketNewsArticle[]> {
+    try {
+        const token = NEXT_PUBLIC_FINNHUB_API_KEY;
+        if (!token) {
+            throw new Error('FINNHUB API key is not configured');
+        }
+
+        const range = getDateRange(days);
+        const url = `${FINNHUB_BASE_URL}/company-news?symbol=${encodeURIComponent(symbol)}&from=${range.from}&to=${range.to}&token=${token}`;
+        const articles = await fetchJSON<RawNewsArticle[]>(url, 300);
+
+        return (articles || [])
+            .filter(validateArticle)
+            .slice(0, 6)
+            .map((article, index) => formatArticle(article, true, symbol, index));
+    } catch (e) {
+        console.error('Error fetching company news for', symbol, e);
+        return [];
+    }
+}
+
 export async function getWatchlistData(symbols: string[]) {
    if (!symbols || symbols.length === 0) return [];

--- a/lib/actions/stock-analysis.actions.ts
+++ b/lib/actions/stock-analysis.actions.ts
@ -0,0 +1,104 @@
+'use server';
+
+import { unstable_cache } from 'next/cache';
+import { callAIProviderWithFallback, hasConfiguredAIProvider } from '@/lib/ai-provider';
+import { getStockSentimentInsights } from './adanos.actions';
+import { getBasicFinancials, getCompanyNews, getCompanyProfile, getQuote } from './finnhub.actions';
+import {
+    buildStockAnalysisPrompt,
+    parseStockAnalysisResponse,
+    type StockAIAnalysis,
+} from './stock-analysis.helpers';
+import type { StockSentimentInsights } from './adanos.helpers';
+
+export interface StockDetailInsights {
+    sentimentInsights: StockSentimentInsights | null;
+    aiAnalysis: StockAIAnalysis | null;
+}
+
+function normalizeHeadline(article: MarketNewsArticle) {
+    return {
+        headline: article.headline,
+        summary: article.summary,
+        source: article.source,
+        datetime: article.datetime,
+    };
+}
+
+async function generateStockDetailInsights(normalizedSymbol: string): Promise<StockDetailInsights> {
+    const sentimentPromise = getStockSentimentInsights(normalizedSymbol);
+
+    const [quote, profile, basicFinancials, news, sentimentInsights] = await Promise.all([
+        getQuote(normalizedSymbol),
+        getCompanyProfile(normalizedSymbol),
+        getBasicFinancials(normalizedSymbol),
+        getCompanyNews(normalizedSymbol),
+        sentimentPromise,
+    ]);
+
+    if (!hasConfiguredAIProvider()) {
+        return {
+            sentimentInsights,
+            aiAnalysis: null,
+        };
+    }
+
+    const hasAnalysisContext =
+        Boolean(quote) ||
+        Boolean(profile) ||
+        Boolean(sentimentInsights) ||
+        Boolean(basicFinancials?.metric && Object.keys(basicFinancials.metric).length > 0) ||
+        news.length > 0;
+
+    if (!hasAnalysisContext) {
+        return {
+            sentimentInsights,
+            aiAnalysis: null,
+        };
+    }
+
+    try {
+        const response = await callAIProviderWithFallback(
+            buildStockAnalysisPrompt({
+                symbol: normalizedSymbol,
+                quote,
+                profile,
+                basicFinancials,
+                sentimentInsights,
+                recentHeadlines: news.slice(0, 4).map(normalizeHeadline),
+            }),
+        );
+
+        return {
+            sentimentInsights,
+            aiAnalysis: parseStockAnalysisResponse(
+                response,
+                normalizedSymbol,
+                profile?.name ?? sentimentInsights?.companyName ?? null,
+            ),
+        };
+    } catch (error) {
+        console.error(`Failed to generate AI stock analysis for ${normalizedSymbol}`, error);
+
+        return {
+            sentimentInsights,
+            aiAnalysis: null,
+        };
+    }
+}
+
+export async function getStockDetailInsights(symbol: string): Promise<StockDetailInsights> {
+    const normalizedSymbol = symbol.trim().toUpperCase();
+
+    if (!normalizedSymbol) {
+        return {
+            sentimentInsights: null,
+            aiAnalysis: null,
+        };
+    }
+
+    return unstable_cache(() => generateStockDetailInsights(normalizedSymbol), ['stock-detail-insights', normalizedSymbol], {
+        revalidate: 900,
+        tags: [`stock-analysis:${normalizedSymbol}`],
+    })();
+}
--- a/lib/actions/stock-analysis.helpers.ts
+++ b/lib/actions/stock-analysis.helpers.ts
@ -0,0 +1,253 @@
+import { STOCK_DETAIL_ANALYSIS_PROMPT } from '@/lib/inngest/prompts';
+import { formatChangePercent, formatCurrency, formatMarketCapValue } from '@/lib/utils';
+import type { FinnhubBasicFinancials } from './finnhub.actions';
+import type { StockSentimentInsights } from './adanos.helpers';
+
+type PriceSnapshot = {
+    c?: number;
+    d?: number;
+    dp?: number;
+    h?: number;
+    l?: number;
+    o?: number;
+    pc?: number;
+} | null;
+
+type CompanyProfile = {
+    country?: string;
+    currency?: string;
+    exchange?: string;
+    finnhubIndustry?: string;
+    ipo?: string;
+    marketCapitalization?: number;
+    name?: string;
+    weburl?: string;
+} | null;
+
+type StockHeadline = {
+    headline: string;
+    summary: string;
+    source: string;
+    datetime: number;
+};
+
+export interface StockAIAnalysis {
+    symbol: string;
+    companyName: string | null;
+    stance: 'Bullish' | 'Neutral' | 'Bearish';
+    confidence: 'Low' | 'Medium' | 'High';
+    summary: string;
+    keyDrivers: string[];
+    risks: string[];
+    watchItems: string[];
+    updatedAt: string;
+}
+
+export interface StockAnalysisContext {
+    symbol: string;
+    quote: PriceSnapshot;
+    profile: CompanyProfile;
+    basicFinancials: FinnhubBasicFinancials | null;
+    sentimentInsights: StockSentimentInsights | null;
+    recentHeadlines: StockHeadline[];
+}
+
+function toFiniteNumber(value: number | string | null | undefined): number | null {
+    if (typeof value === 'number' && Number.isFinite(value)) {
+        return value;
+    }
+
+    if (typeof value === 'string' && value.trim() !== '') {
+        const parsed = Number(value);
+        return Number.isFinite(parsed) ? parsed : null;
+    }
+
+    return null;
+}
+
+function formatOptionalCurrency(value: number | null): string {
+    return value === null ? 'Unavailable' : formatCurrency(value);
+}
+
+function formatOptionalMultiple(value: number | null): string {
+    return value === null ? 'Unavailable' : `${value.toFixed(2)}x`;
+}
+
+function formatOptionalPercent(value: number | null): string {
+    return value === null ? 'Unavailable' : `${value.toFixed(2)}%`;
+}
+
+function clampList(items: unknown, maxItems: number = 4): string[] {
+    if (!Array.isArray(items)) return [];
+
+    return items
+        .filter((item): item is string => typeof item === 'string')
+        .map((item) => item.replace(/\s+/g, ' ').trim())
+        .filter(Boolean)
+        .slice(0, maxItems);
+}
+
+function normalizeStance(value: unknown): StockAIAnalysis['stance'] {
+    return value === 'Bullish' || value === 'Neutral' || value === 'Bearish' ? value : 'Neutral';
+}
+
+function normalizeConfidence(value: unknown): StockAIAnalysis['confidence'] {
+    return value === 'Low' || value === 'Medium' || value === 'High' ? value : 'Medium';
+}
+
+function extractJsonPayload(raw: string): string | null {
+    const fencedMatch = raw.match(/```(?:json)?\s*([\s\S]*?)```/i);
+    if (fencedMatch?.[1]) {
+        return fencedMatch[1].trim();
+    }
+
+    const firstBrace = raw.indexOf('{');
+    const lastBrace = raw.lastIndexOf('}');
+
+    if (firstBrace === -1 || lastBrace === -1 || lastBrace <= firstBrace) {
+        return null;
+    }
+
+    return raw.slice(firstBrace, lastBrace + 1).trim();
+}
+
+function buildPromptContext(context: StockAnalysisContext) {
+    const metrics = context.basicFinancials?.metric ?? {};
+    const profile = context.profile;
+    const quote = context.quote;
+    const marketCapUsd =
+        typeof profile?.marketCapitalization === 'number' ? profile.marketCapitalization * 1000000 : null;
+
+    return {
+        stock: {
+            symbol: context.symbol,
+            companyName: profile?.name ?? context.sentimentInsights?.companyName ?? null,
+            exchange: profile?.exchange ?? 'Unavailable',
+            industry: profile?.finnhubIndustry ?? 'Unavailable',
+            country: profile?.country ?? 'Unavailable',
+            ipo: profile?.ipo ?? 'Unavailable',
+            currency: profile?.currency ?? 'Unavailable',
+            website: profile?.weburl ?? 'Unavailable',
+        },
+        marketSnapshot: {
+            currentPrice: formatOptionalCurrency(toFiniteNumber(quote?.c)),
+            dayChange: formatChangePercent(toFiniteNumber(quote?.dp) ?? undefined) || 'Unavailable',
+            changeAmount: formatOptionalCurrency(toFiniteNumber(quote?.d)),
+            open: formatOptionalCurrency(toFiniteNumber(quote?.o)),
+            previousClose: formatOptionalCurrency(toFiniteNumber(quote?.pc)),
+            dayHigh: formatOptionalCurrency(toFiniteNumber(quote?.h)),
+            dayLow: formatOptionalCurrency(toFiniteNumber(quote?.l)),
+        },
+        fundamentals: {
+            marketCap: marketCapUsd === null ? 'Unavailable' : formatMarketCapValue(marketCapUsd),
+            peRatio: formatOptionalMultiple(toFiniteNumber(metrics.peBasicExclExtraTTM)),
+            epsTtm: formatOptionalCurrency(toFiniteNumber(metrics.epsTTM)),
+            beta: toFiniteNumber(metrics.beta)?.toFixed(2) ?? 'Unavailable',
+            fiftyTwoWeekHigh: formatOptionalCurrency(toFiniteNumber(metrics['52WeekHigh'])),
+            fiftyTwoWeekLow: formatOptionalCurrency(toFiniteNumber(metrics['52WeekLow'])),
+            fiftyTwoWeekReturn: formatOptionalPercent(toFiniteNumber(metrics['52WeekPriceReturnDaily'])),
+            analystTargetPrice: formatOptionalCurrency(toFiniteNumber(metrics.targetPrice)),
+        },
+        sentiment: context.sentimentInsights
+            ? {
+                  averageBuzz: `${context.sentimentInsights.averageBuzz}/100`,
+                  bullishAverage:
+                      context.sentimentInsights.bullishAverage === null
+                          ? 'Unavailable'
+                          : `${context.sentimentInsights.bullishAverage.toFixed(1)}%`,
+                  sourceAlignment: context.sentimentInsights.sourceAlignment,
+                  sources: context.sentimentInsights.sources.map((source) => ({
+                      source: source.label,
+                      buzzScore: source.buzzScore,
+                      bullishPct: source.bullishPct,
+                      trend: source.trend ?? 'Unavailable',
+                      metricLabel: source.metricLabel,
+                      metricValue: source.metricValue,
+                  })),
+              }
+            : 'Unavailable',
+        recentHeadlines: context.recentHeadlines.length
+            ? context.recentHeadlines.map((headline) => ({
+                  source: headline.source,
+                  headline: headline.headline,
+                  summary: headline.summary,
+                  publishedAt: new Date(headline.datetime * 1000).toISOString(),
+              }))
+            : 'Unavailable',
+    };
+}
+
+export function buildStockAnalysisPrompt(context: StockAnalysisContext) {
+    return STOCK_DETAIL_ANALYSIS_PROMPT.replace(
+        '{{stockContext}}',
+        JSON.stringify(buildPromptContext(context), null, 2),
+    );
+}
+
+export function parseStockAnalysisResponse(
+    rawResponse: string,
+    symbol: string,
+    companyName: string | null,
+): StockAIAnalysis | null {
+    const cleanedResponse = rawResponse.trim();
+    if (!cleanedResponse) return null;
+
+    const jsonPayload = extractJsonPayload(cleanedResponse);
+
+    if (!jsonPayload) {
+        return {
+            symbol,
+            companyName,
+            stance: 'Neutral',
+            confidence: 'Low',
+            summary: cleanedResponse.replace(/\s+/g, ' ').trim(),
+            keyDrivers: [],
+            risks: [],
+            watchItems: [],
+            updatedAt: new Date().toISOString(),
+        };
+    }
+
+    try {
+        const parsed = JSON.parse(jsonPayload) as {
+            stance?: unknown;
+            confidence?: unknown;
+            summary?: unknown;
+            keyDrivers?: unknown;
+            risks?: unknown;
+            watchItems?: unknown;
+        };
+
+        const summary =
+            typeof parsed.summary === 'string' ? parsed.summary.replace(/\s+/g, ' ').trim() : '';
+
+        if (!summary) {
+            return null;
+        }
+
+        return {
+            symbol,
+            companyName,
+            stance: normalizeStance(parsed.stance),
+            confidence: normalizeConfidence(parsed.confidence),
+            summary,
+            keyDrivers: clampList(parsed.keyDrivers),
+            risks: clampList(parsed.risks),
+            watchItems: clampList(parsed.watchItems),
+            updatedAt: new Date().toISOString(),
+        };
+    } catch (error) {
+        console.error(`Failed to parse stock analysis response for ${symbol}`, error);
+        return {
+            symbol,
+            companyName,
+            stance: 'Neutral',
+            confidence: 'Low',
+            summary: cleanedResponse.replace(/\s+/g, ' ').trim(),
+            keyDrivers: [],
+            risks: [],
+            watchItems: [],
+            updatedAt: new Date().toISOString(),
+        };
+    }
+}
--- a/lib/ai-provider.ts
+++ b/lib/ai-provider.ts
@ -2,14 +2,15 @@
 * AI Provider abstraction for OpenStock.
 *
 * Supports multiple LLM backends via the AI_PROVIDER environment variable:
- *   - "gemini"  (default) – Google Gemini REST API
- *   - "minimax" – MiniMax (OpenAI-compatible)
- *   - "siray"   – Siray.ai (OpenAI-compatible)
+ *   - "gemini"   (default) – Google Gemini REST API
+ *   - "minimax"  – MiniMax (OpenAI-compatible)
+ *   - "siray"    – Siray.ai (OpenAI-compatible)
+ *   - "deepseek" – DeepSeek (OpenAI-compatible)
 *
 * Each provider returns a plain-text string from the model.
 */

-export type AIProviderName = "gemini" | "minimax" | "siray";
+export type AIProviderName = "gemini" | "minimax" | "siray" | "deepseek";

 export interface AIProviderConfig {
  name: AIProviderName;
@ -47,6 +48,15 @@ export function getProviderConfig(
        model: "siray-1.0-ultra",
      };

+    case "deepseek":
+      return {
+        name: "deepseek",
+        apiKey: process.env.DEEPSEEK_API_KEY || "",
+        baseUrl:
+          process.env.DEEPSEEK_BASE_URL || "https://api.deepseek.com/v1",
+        model: process.env.DEEPSEEK_MODEL || "deepseek-chat",
+      };
+
    case "gemini":
    default:
      return {
@ -67,12 +77,36 @@ export function getFallbackProviderName(
  primary: AIProviderName
 ): AIProviderName {
  if (primary === "gemini") {
-    // Prefer MiniMax as fallback when a key is available, else Siray
+    // Prefer MiniMax, then DeepSeek, then Siray as fallbacks
    if (process.env.MINIMAX_API_KEY) return "minimax";
+    if (process.env.DEEPSEEK_API_KEY) return "deepseek";
    if (process.env.SIRAY_API_KEY) return "siray";
-    return "minimax"; // caller will see missing-key error
+    return "deepseek"; // caller will see missing-key error
  }
-  return "gemini";
+  // For non-Gemini primaries, fall back to Gemini
+  if (process.env.GEMINI_API_KEY) return "gemini";
+  // If no Gemini key either, try DeepSeek
+  if (process.env.DEEPSEEK_API_KEY) return "deepseek";
+  return "gemini"; // caller will see missing-key error
+}
+
+export function hasConfiguredAIProvider(
+  provider?: AIProviderName
+): boolean {
+  const primaryName =
+    provider ||
+    (process.env.AI_PROVIDER as AIProviderName) ||
+    "gemini";
+  const primaryConfig = getProviderConfig(primaryName);
+
+  if (primaryConfig.apiKey) {
+    return true;
+  }
+
+  const fallbackConfig = getProviderConfig(
+    getFallbackProviderName(primaryName)
+  );
+  return Boolean(fallbackConfig.apiKey);
 }

 // ── Provider call implementations ──────────────────────────────────
@ -157,7 +191,7 @@ export async function callAIProvider(
  if (config.name === "gemini") {
    return callGemini(prompt, config);
  }
-  // MiniMax and Siray both use OpenAI-compatible endpoints
+  // MiniMax, Siray, and DeepSeek all use OpenAI-compatible endpoints
  return callOpenAICompatible(prompt, config);
 }

--- a/lib/inngest/prompts.ts
+++ b/lib/inngest/prompts.ts
@ -228,3 +228,31 @@ EXAMPLES:
 - Barclays PLC (BARC.L) from Finnhub → {"tradingViewSymbol": "LSE:BARC", "confidence": "high", "reasoning": "Barclays trades on London Stock Exchange as BARC"}

 Your response must be valid JSON only. Do not include any other text.`
+
+export const STOCK_DETAIL_ANALYSIS_PROMPT = `You are a senior equity research analyst writing a concise professional stock note for an investor dashboard.
+
+You will receive structured market data, sentiment, and recent headlines for one stock.
+
+ANALYSIS RULES:
+1. Use ONLY the provided information. Do not invent facts, catalysts, valuations, or financial metrics.
+2. Synthesize the information into an investor-friendly view that connects price action, fundamentals, sentiment, and recent news.
+3. Be balanced. If the evidence is mixed, say so clearly.
+4. Keep the tone professional and specific, not promotional.
+5. Mention missing or limited data implicitly only when it affects confidence.
+6. This is educational market analysis, not personal financial advice.
+
+RESPONSE FORMAT:
+Return ONLY valid JSON with this exact shape:
+{
+  "stance": "Bullish" | "Neutral" | "Bearish",
+  "confidence": "Low" | "Medium" | "High",
+  "summary": "90-140 word paragraph explaining the current stock setup and why",
+  "keyDrivers": ["2-4 short bullet strings about the main supporting factors"],
+  "risks": ["2-4 short bullet strings about the main risks or counterpoints"],
+  "watchItems": ["2-4 short bullet strings about what the investor should monitor next"]
+}
+
+Keep each bullet string under 160 characters.
+
+Stock context:
+{{stockContext}}`
--- a/start.sh
+++ b/start.sh
@ -0,0 +1 @@
+docker compose up -d mongodb && docker compose up -d --build
				`@ -0,0 +1 @@`
				`docker compose up -d mongodb && docker compose up -d --build`