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Add Umami analytics, subscription tiers, tool-call metering

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- Analytics: <Analytics /> in root layout loads umami when NEXT_PUBLIC_UMAMI_* env are set
- Subscription: free/pro tiers in Postgres, daily quotas (10msg/5tool free, 1000/500 pro)
- Chat route: checkAndConsume(chat_message) gate before streamText, 429 when exhausted
- Tool metering: getWeather wrapped with withLimit decorator that deducts tool_call quota
- Pricing page at /pricing with upgrade button
- /api/billing/checkout posts to EGBE payment gateway, /api/billing/webhook verifies HMAC and upgrades user on checkout.session.completed
- UsageBadge in chat header polls /api/usage every 15s
- Dropped now-unused entitlements.ts
This commit is contained in:
dmitry.galkin 2026-05-25 17:27:08 +04:00
parent 3e21c2334c
commit 22a172e92d
23 changed files with 1374 additions and 86 deletions
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lib/ai/models.ts
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@ -1,4 +1,4 @@
export const DEFAULT_CHAT_MODEL = "claude-sonnet";
export const DEFAULT_CHAT_MODEL = "gpt-5.4-mini";
export type ModelCapabilities = {
tools: boolean;