wip: zen lite

10 files changed, 779 insertions, 381 deletions

diff --git a/packages/console/app/src/routes/stripe/webhook.ts b/packages/console/app/src/routes/stripe/webhook.ts
index 828eb4c71..47ca442ec 100644
--- a/packages/console/app/src/routes/stripe/webhook.ts
+++ b/packages/console/app/src/routes/stripe/webhook.ts
@@ -1,13 +1,13 @@
 import { Billing } from "@opencode-ai/console-core/billing.js"
 import type { APIEvent } from "@solidjs/start/server"
-import { and, Database, eq, isNull, sql } from "@opencode-ai/console-core/drizzle/index.js"
-import { BillingTable, PaymentTable, SubscriptionTable } from "@opencode-ai/console-core/schema/billing.sql.js"
+import { and, Database, eq, sql } from "@opencode-ai/console-core/drizzle/index.js"
+import { BillingTable, LiteTable, PaymentTable } from "@opencode-ai/console-core/schema/billing.sql.js"
 import { Identifier } from "@opencode-ai/console-core/identifier.js"
 import { centsToMicroCents } from "@opencode-ai/console-core/util/price.js"
 import { Actor } from "@opencode-ai/console-core/actor.js"
 import { Resource } from "@opencode-ai/console-resource"
-import { UserTable } from "@opencode-ai/console-core/schema/user.sql.js"
-import { AuthTable } from "@opencode-ai/console-core/schema/auth.sql.js"
+import { LiteData } from "@opencode-ai/console-core/lite.js"
+import { BlackData } from "@opencode-ai/console-core/black.js"
 
 export async function POST(input: APIEvent) {
   const body = await Billing.stripe().webhooks.constructEventAsync(
@@ -103,310 +103,93 @@ export async function POST(input: APIEvent) {
         })
       })
     }
-    if (body.type === "checkout.session.completed" && body.data.object.mode === "subscription") {
-      const workspaceID = body.data.object.custom_fields.find((f) => f.key === "workspaceid")?.text?.value
-      const amountInCents = body.data.object.amount_total as number
-      const customerID = body.data.object.customer as string
-      const customerEmail = body.data.object.customer_details?.email as string
-      const invoiceID = body.data.object.invoice as string
-      const subscriptionID = body.data.object.subscription as string
-      const promoCode = body.data.object.discounts?.[0]?.promotion_code as string
-
-      if (!workspaceID) throw new Error("Workspace ID not found")
-      if (!customerID) throw new Error("Customer ID not found")
-      if (!amountInCents) throw new Error("Amount not found")
-      if (!invoiceID) throw new Error("Invoice ID not found")
-      if (!subscriptionID) throw new Error("Subscription ID not found")
-
-      // get payment id from invoice
-      const invoice = await Billing.stripe().invoices.retrieve(invoiceID, {
-        expand: ["payments"],
-      })
-      const paymentID = invoice.payments?.data[0].payment.payment_intent as string
-      if (!paymentID) throw new Error("Payment ID not found")
-
-      // get payment method for the payment intent
-      const paymentIntent = await Billing.stripe().paymentIntents.retrieve(paymentID, {
-        expand: ["payment_method"],
-      })
-      const paymentMethod = paymentIntent.payment_method
-      if (!paymentMethod || typeof paymentMethod === "string") throw new Error("Payment method not expanded")
-
-      // get coupon id from promotion code
-      const couponID = await (async () => {
-        if (!promoCode) return
-        const coupon = await Billing.stripe().promotionCodes.retrieve(promoCode)
-        const couponID = coupon.coupon.id
-        if (!couponID) throw new Error("Coupon not found for promotion code")
-        return couponID
-      })()
-
-      await Actor.provide("system", { workspaceID }, async () => {
-        // look up current billing
-        const billing = await Billing.get()
-        if (!billing) throw new Error(`Workspace with ID ${workspaceID} not found`)
+    if (body.type === "customer.subscription.created") {
+      const type = body.data.object.metadata?.type
+      if (type === "lite") {
+        const workspaceID = body.data.object.metadata?.workspaceID
+        const userID = body.data.object.metadata?.userID
+        const customerID = body.data.object.customer as string
+        const invoiceID = body.data.object.latest_invoice as string
+        const subscriptionID = body.data.object.id as string
 
-        // Temporarily skip this check because during Black drop, user can checkout
-        // as a new customer
-        //if (billing.customerID !== customerID) throw new Error("Customer ID mismatch")
+        if (!workspaceID) throw new Error("Workspace ID not found")
+        if (!userID) throw new Error("User ID not found")
+        if (!customerID) throw new Error("Customer ID not found")
+        if (!invoiceID) throw new Error("Invoice ID not found")
+        if (!subscriptionID) throw new Error("Subscription ID not found")
 
-        // Temporarily check the user to apply to. After Black drop, we will allow
-        // look up the user to apply to
-        const users = await Database.use((tx) =>
-          tx
-            .select({ id: UserTable.id, email: AuthTable.subject })
-            .from(UserTable)
-            .innerJoin(AuthTable, and(eq(AuthTable.accountID, UserTable.accountID), eq(AuthTable.provider, "email")))
-            .where(and(eq(UserTable.workspaceID, workspaceID), isNull(UserTable.timeDeleted))),
-        )
-        const user = users.find((u) => u.email === customerEmail) ?? users[0]
-        if (!user) {
-          console.error(`Error: User with email ${customerEmail} not found in workspace ${workspaceID}`)
-          process.exit(1)
-        }
+        // get payment id from invoice
+        const invoice = await Billing.stripe().invoices.retrieve(invoiceID, {
+          expand: ["payments"],
+        })
+        const paymentID = invoice.payments?.data[0].payment.payment_intent as string
+        if (!paymentID) throw new Error("Payment ID not found")
 
-        // set customer metadata
-        if (!billing?.customerID) {
-          await Billing.stripe().customers.update(customerID, {
-            metadata: {
-              workspaceID,
-            },
-          })
-        }
+        // get payment method for the payment intent
+        const paymentIntent = await Billing.stripe().paymentIntents.retrieve(paymentID, {
+          expand: ["payment_method"],
+        })
+        const paymentMethod = paymentIntent.payment_method
+        if (!paymentMethod || typeof paymentMethod === "string") throw new Error("Payment method not expanded")
 
-        await Database.transaction(async (tx) => {
-          await tx
-            .update(BillingTable)
-            .set({
-              customerID,
-              subscriptionID,
-              subscription: {
-                status: "subscribed",
-                coupon: couponID,
-                seats: 1,
-                plan: "200",
+        await Actor.provide("system", { workspaceID }, async () => {
+          // look up current billing
+          const billing = await Billing.get()
+          if (!billing) throw new Error(`Workspace with ID ${workspaceID} not found`)
+          if (billing.customerID && billing.customerID !== customerID) throw new Error("Customer ID mismatch")
+
+          // set customer metadata
+          if (!billing?.customerID) {
+            await Billing.stripe().customers.update(customerID, {
+              metadata: {
+                workspaceID,
               },
-              paymentMethodID: paymentMethod.id,
-              paymentMethodLast4: paymentMethod.card?.last4 ?? null,
-              paymentMethodType: paymentMethod.type,
             })
-            .where(eq(BillingTable.workspaceID, workspaceID))
+          }
 
-          await tx.insert(SubscriptionTable).values({
-            workspaceID,
-            id: Identifier.create("subscription"),
-            userID: user.id,
-          })
+          await Database.transaction(async (tx) => {
+            await tx
+              .update(BillingTable)
+              .set({
+                customerID,
+                liteSubscriptionID: subscriptionID,
+                lite: {},
+                paymentMethodID: paymentMethod.id,
+                paymentMethodLast4: paymentMethod.card?.last4 ?? null,
+                paymentMethodType: paymentMethod.type,
+              })
+              .where(eq(BillingTable.workspaceID, workspaceID))
 
-          await tx.insert(PaymentTable).values({
-            workspaceID,
-            id: Identifier.create("payment"),
-            amount: centsToMicroCents(amountInCents),
-            paymentID,
-            invoiceID,
-            customerID,
-            enrichment: {
-              type: "subscription",
-              couponID,
-            },
+            await tx.insert(LiteTable).values({
+              workspaceID,
+              id: Identifier.create("lite"),
+              userID: userID,
+            })
           })
         })
-      })
-    }
-    if (body.type === "customer.subscription.created") {
-      /*
-{
-  id: "evt_1Smq802SrMQ2Fneksse5FMNV",
-  object: "event",
-  api_version: "2025-07-30.basil",
-  created: 1767766916,
-  data: {
-    object: {
-      id: "sub_1Smq7x2SrMQ2Fnek8F1yf3ZD",
-      object: "subscription",
-      application: null,
-      application_fee_percent: null,
-      automatic_tax: {
-        disabled_reason: null,
-        enabled: false,
-        liability: null,
-      },
-      billing_cycle_anchor: 1770445200,
-      billing_cycle_anchor_config: null,
-      billing_mode: {
-        flexible: {
-          proration_discounts: "included",
-        },
-        type: "flexible",
-        updated_at: 1770445200,
-      },
-      billing_thresholds: null,
-      cancel_at: null,
-      cancel_at_period_end: false,
-      canceled_at: null,
-      cancellation_details: {
-        comment: null,
-        feedback: null,
-        reason: null,
-      },
-      collection_method: "charge_automatically",
-      created: 1770445200,
-      currency: "usd",
-      customer: "cus_TkKmZZvysJ2wej",
-      customer_account: null,
-      days_until_due: null,
-      default_payment_method: null,
-      default_source: "card_1Smq7u2SrMQ2FneknjyOa7sq",
-      default_tax_rates: [],
-      description: null,
-      discounts: [],
-      ended_at: null,
-      invoice_settings: {
-        account_tax_ids: null,
-        issuer: {
-          type: "self",
-        },
-      },
-      items: {
-        object: "list",
-        data: [
-          {
-            id: "si_TkKnBKXFX76t0O",
-            object: "subscription_item",
-            billing_thresholds: null,
-            created: 1770445200,
-            current_period_end: 1772864400,
-            current_period_start: 1770445200,
-            discounts: [],
-            metadata: {},
-            plan: {
-              id: "price_1SmfFG2SrMQ2FnekJuzwHMea",
-              object: "plan",
-              active: true,
-              amount: 20000,
-              amount_decimal: "20000",
-              billing_scheme: "per_unit",
-              created: 1767725082,
-              currency: "usd",
-              interval: "month",
-              interval_count: 1,
-              livemode: false,
-              metadata: {},
-              meter: null,
-              nickname: null,
-              product: "prod_Tk9LjWT1n0DgYm",
-              tiers_mode: null,
-              transform_usage: null,
-              trial_period_days: null,
-              usage_type: "licensed",
-            },
-            price: {
-              id: "price_1SmfFG2SrMQ2FnekJuzwHMea",
-              object: "price",
-              active: true,
-              billing_scheme: "per_unit",
-              created: 1767725082,
-              currency: "usd",
-              custom_unit_amount: null,
-              livemode: false,
-              lookup_key: null,
-              metadata: {},
-              nickname: null,
-              product: "prod_Tk9LjWT1n0DgYm",
-              recurring: {
-                interval: "month",
-                interval_count: 1,
-                meter: null,
-                trial_period_days: null,
-                usage_type: "licensed",
-              },
-              tax_behavior: "unspecified",
-              tiers_mode: null,
-              transform_quantity: null,
-              type: "recurring",
-              unit_amount: 20000,
-              unit_amount_decimal: "20000",
-            },
-            quantity: 1,
-            subscription: "sub_1Smq7x2SrMQ2Fnek8F1yf3ZD",
-            tax_rates: [],
-          },
-        ],
-        has_more: false,
-        total_count: 1,
-        url: "/v1/subscription_items?subscription=sub_1Smq7x2SrMQ2Fnek8F1yf3ZD",
-      },
-      latest_invoice: "in_1Smq7x2SrMQ2FnekSJesfPwE",
-      livemode: false,
-      metadata: {},
-      next_pending_invoice_item_invoice: null,
-      on_behalf_of: null,
-      pause_collection: null,
-      payment_settings: {
-        payment_method_options: null,
-        payment_method_types: null,
-        save_default_payment_method: "off",
-      },
-      pending_invoice_item_interval: null,
-      pending_setup_intent: null,
-      pending_update: null,
-      plan: {
-        id: "price_1SmfFG2SrMQ2FnekJuzwHMea",
-        object: "plan",
-        active: true,
-        amount: 20000,
-        amount_decimal: "20000",
-        billing_scheme: "per_unit",
-        created: 1767725082,
-        currency: "usd",
-        interval: "month",
-        interval_count: 1,
-        livemode: false,
-        metadata: {},
-        meter: null,
-        nickname: null,
-        product: "prod_Tk9LjWT1n0DgYm",
-        tiers_mode: null,
-        transform_usage: null,
-        trial_period_days: null,
-        usage_type: "licensed",
-      },
-      quantity: 1,
-      schedule: null,
-      start_date: 1770445200,
-      status: "active",
-      test_clock: "clock_1Smq6n2SrMQ2FnekQw4yt2PZ",
-      transfer_data: null,
-      trial_end: null,
-      trial_settings: {
-        end_behavior: {
-          missing_payment_method: "create_invoice",
-        },
-      },
-      trial_start: null,
-    },
-  },
-  livemode: false,
-  pending_webhooks: 0,
-  request: {
-    id: "req_6YO9stvB155WJD",
-    idempotency_key: "581ba059-6f86-49b2-9c49-0d8450255322",
-  },
-  type: "customer.subscription.created",
-}
-  */
+      }
     }
     if (body.type === "customer.subscription.updated" && body.data.object.status === "incomplete_expired") {
       const subscriptionID = body.data.object.id
       if (!subscriptionID) throw new Error("Subscription ID not found")
 
-      await Billing.unsubscribe({ subscriptionID })
+      const productID = body.data.object.items.data[0].price.product as string
+      if (productID === LiteData.productID()) {
+        await Billing.unsubscribeLite({ subscriptionID })
+      } else if (productID === BlackData.productID()) {
+        await Billing.unsubscribeBlack({ subscriptionID })
+      }
     }
     if (body.type === "customer.subscription.deleted") {
       const subscriptionID = body.data.object.id
       if (!subscriptionID) throw new Error("Subscription ID not found")
 
-      await Billing.unsubscribe({ subscriptionID })
+      const productID = body.data.object.items.data[0].price.product as string
+      if (productID === LiteData.productID()) {
+        await Billing.unsubscribeLite({ subscriptionID })
+      } else if (productID === BlackData.productID()) {
+        await Billing.unsubscribeBlack({ subscriptionID })
+      }
     }
     if (body.type === "invoice.payment_succeeded") {
       if (
@@ -430,6 +213,7 @@ export async function POST(input: APIEvent) {
           typeof subscriptionData.discounts[0] === "string"
             ? subscriptionData.discounts[0]
             : subscriptionData.discounts[0]?.coupon?.id
+        const productID = subscriptionData.items.data[0].price.product as string
 
         // get payment id from invoice
         const invoice = await Billing.stripe().invoices.retrieve(invoiceID, {
@@ -459,7 +243,7 @@ export async function POST(input: APIEvent) {
             invoiceID,
             customerID,
             enrichment: {
-              type: "subscription",
+              type: productID === LiteData.productID() ? "lite" : "subscription",
               couponID,
             },
           }),
diff --git a/packages/console/app/src/routes/workspace/[id]/billing/black-section.tsx b/packages/console/app/src/routes/workspace/[id]/billing/black-section.tsx
index 5326306e2..b8f089864 100644
--- a/packages/console/app/src/routes/workspace/[id]/billing/black-section.tsx
+++ b/packages/console/app/src/routes/workspace/[id]/billing/black-section.tsx
@@ -90,7 +90,7 @@ const enroll = action(async (workspaceID: string) => {
   "use server"
   return json(
     await withActor(async () => {
-      await Billing.subscribe({ seats: 1 })
+      await Billing.subscribeBlack({ seats: 1 })
       return { error: undefined }
     }, workspaceID).catch((e) => ({ error: e.message as string })),
     { revalidate: [queryBillingInfo.key, querySubscription.key] },
diff --git a/packages/console/app/src/routes/workspace/[id]/billing/index.tsx b/packages/console/app/src/routes/workspace/[id]/billing/index.tsx
index a252a0234..9fbdad2ef 100644
--- a/packages/console/app/src/routes/workspace/[id]/billing/index.tsx
+++ b/packages/console/app/src/routes/workspace/[id]/billing/index.tsx
@@ -3,7 +3,8 @@ import { BillingSection } from "./billing-section"
 import { ReloadSection } from "./reload-section"
 import { PaymentSection } from "./payment-section"
 import { BlackSection } from "./black-section"
-import { Show } from "solid-js"
+import { LiteSection } from "./lite-section"
+import { createMemo, Show } from "solid-js"
 import { createAsync, useParams } from "@solidjs/router"
 import { queryBillingInfo, querySessionInfo } from "../../common"
 
@@ -11,14 +12,18 @@ export default function () {
   const params = useParams()
   const sessionInfo = createAsync(() => querySessionInfo(params.id!))
   const billingInfo = createAsync(() => queryBillingInfo(params.id!))
+  const isBlack = createMemo(() => billingInfo()?.subscriptionID || billingInfo()?.timeSubscriptionBooked)
 
   return (
     <div data-page="workspace-[id]">
       <div data-slot="sections">
         <Show when={sessionInfo()?.isAdmin}>
-          <Show when={billingInfo()?.subscriptionID || billingInfo()?.timeSubscriptionBooked}>
+          <Show when={isBlack()}>
             <BlackSection />
           </Show>
+          <Show when={!isBlack() && sessionInfo()?.isBeta}>
+            <LiteSection />
+          </Show>
           <BillingSection />
           <Show when={billingInfo()?.customerID}>
             <ReloadSection />
diff --git a/packages/console/app/src/routes/workspace/[id]/billing/lite-section.module.css b/packages/console/app/src/routes/workspace/[id]/billing/lite-section.module.css
new file mode 100644
index 000000000..20662ab61
--- /dev/null
+++ b/packages/console/app/src/routes/workspace/[id]/billing/lite-section.module.css
@@ -0,0 +1,160 @@
+.root {
+  [data-slot="title-row"] {
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    gap: var(--space-4);
+  }
+
+  [data-slot="usage"] {
+    display: flex;
+    gap: var(--space-6);
+    margin-top: var(--space-4);
+
+    @media (max-width: 40rem) {
+      flex-direction: column;
+      gap: var(--space-4);
+    }
+  }
+
+  [data-slot="usage-item"] {
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+    gap: var(--space-2);
+  }
+
+  [data-slot="usage-header"] {
+    display: flex;
+    justify-content: space-between;
+    align-items: baseline;
+  }
+
+  [data-slot="usage-label"] {
+    font-size: var(--font-size-md);
+    font-weight: 500;
+    color: var(--color-text);
+  }
+
+  [data-slot="usage-value"] {
+    font-size: var(--font-size-sm);
+    color: var(--color-text-muted);
+  }
+
+  [data-slot="progress"] {
+    height: 8px;
+    background-color: var(--color-bg-surface);
+    border-radius: var(--border-radius-sm);
+    overflow: hidden;
+  }
+
+  [data-slot="progress-bar"] {
+    height: 100%;
+    background-color: var(--color-accent);
+    border-radius: var(--border-radius-sm);
+    transition: width 0.3s ease;
+  }
+
+  [data-slot="reset-time"] {
+    font-size: var(--font-size-sm);
+    color: var(--color-text-muted);
+  }
+
+  [data-slot="setting-row"] {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    gap: var(--space-3);
+    margin-top: var(--space-4);
+
+    p {
+      font-size: var(--font-size-sm);
+      line-height: 1.5;
+      color: var(--color-text-secondary);
+      margin: 0;
+    }
+  }
+
+  [data-slot="toggle-label"] {
+    position: relative;
+    display: inline-block;
+    width: 2.5rem;
+    height: 1.5rem;
+    cursor: pointer;
+    flex-shrink: 0;
+
+    input {
+      opacity: 0;
+      width: 0;
+      height: 0;
+    }
+
+    span {
+      position: absolute;
+      inset: 0;
+      background-color: #ccc;
+      border: 1px solid #bbb;
+      border-radius: 1.5rem;
+      transition: all 0.3s ease;
+      cursor: pointer;
+
+      &::before {
+        content: "";
+        position: absolute;
+        top: 50%;
+        left: 0.125rem;
+        width: 1.25rem;
+        height: 1.25rem;
+        background-color: white;
+        border: 1px solid #ddd;
+        border-radius: 50%;
+        transform: translateY(-50%);
+        transition: all 0.3s ease;
+      }
+    }
+
+    input:checked + span {
+      background-color: #21ad0e;
+      border-color: #148605;
+
+      &::before {
+        transform: translateX(1rem) translateY(-50%);
+      }
+    }
+
+    &:hover span {
+      box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.2);
+    }
+
+    input:checked:hover + span {
+      box-shadow: 0 0 0 2px rgba(34, 197, 94, 0.3);
+    }
+
+    &:has(input:disabled) {
+      cursor: not-allowed;
+    }
+
+    input:disabled + span {
+      opacity: 0.5;
+      cursor: not-allowed;
+    }
+  }
+
+  [data-slot="other-message"] {
+    font-size: var(--font-size-sm);
+    color: var(--color-text-muted);
+    line-height: 1.5;
+  }
+
+  [data-slot="promo-description"] {
+    font-size: var(--font-size-sm);
+    color: var(--color-text-secondary);
+    line-height: 1.5;
+    margin-top: var(--space-2);
+  }
+
+  [data-slot="subscribe-button"] {
+    align-self: flex-start;
+    margin-top: var(--space-4);
+  }
+}
diff --git a/packages/console/app/src/routes/workspace/[id]/billing/lite-section.tsx b/packages/console/app/src/routes/workspace/[id]/billing/lite-section.tsx
new file mode 100644
index 000000000..c9192fdcf
--- /dev/null
+++ b/packages/console/app/src/routes/workspace/[id]/billing/lite-section.tsx
@@ -0,0 +1,269 @@
+import { action, useParams, useAction, useSubmission, json, query, createAsync } from "@solidjs/router"
+import { createStore } from "solid-js/store"
+import { Show } from "solid-js"
+import { Billing } from "@opencode-ai/console-core/billing.js"
+import { Database, eq, and, isNull } from "@opencode-ai/console-core/drizzle/index.js"
+import { BillingTable, LiteTable } from "@opencode-ai/console-core/schema/billing.sql.js"
+import { Actor } from "@opencode-ai/console-core/actor.js"
+import { Subscription } from "@opencode-ai/console-core/subscription.js"
+import { LiteData } from "@opencode-ai/console-core/lite.js"
+import { withActor } from "~/context/auth.withActor"
+import { queryBillingInfo } from "../../common"
+import styles from "./lite-section.module.css"
+import { useI18n } from "~/context/i18n"
+
+const queryLiteSubscription = query(async (workspaceID: string) => {
+  "use server"
+  return withActor(async () => {
+    const row = await Database.use((tx) =>
+      tx
+        .select({
+          userID: LiteTable.userID,
+          rollingUsage: LiteTable.rollingUsage,
+          weeklyUsage: LiteTable.weeklyUsage,
+          monthlyUsage: LiteTable.monthlyUsage,
+          timeRollingUpdated: LiteTable.timeRollingUpdated,
+          timeWeeklyUpdated: LiteTable.timeWeeklyUpdated,
+          timeMonthlyUpdated: LiteTable.timeMonthlyUpdated,
+          timeCreated: LiteTable.timeCreated,
+          lite: BillingTable.lite,
+        })
+        .from(BillingTable)
+        .innerJoin(LiteTable, eq(LiteTable.workspaceID, BillingTable.workspaceID))
+        .where(and(eq(LiteTable.workspaceID, Actor.workspace()), isNull(LiteTable.timeDeleted)))
+        .then((r) => r[0]),
+    )
+    if (!row) return null
+
+    const limits = LiteData.getLimits()
+    const mine = row.userID === Actor.userID()
+
+    return {
+      mine,
+      useBalance: row.lite?.useBalance ?? false,
+      rollingUsage: Subscription.analyzeRollingUsage({
+        limit: limits.rollingLimit,
+        window: limits.rollingWindow,
+        usage: row.rollingUsage ?? 0,
+        timeUpdated: row.timeRollingUpdated ?? new Date(),
+      }),
+      weeklyUsage: Subscription.analyzeWeeklyUsage({
+        limit: limits.weeklyLimit,
+        usage: row.weeklyUsage ?? 0,
+        timeUpdated: row.timeWeeklyUpdated ?? new Date(),
+      }),
+      monthlyUsage: Subscription.analyzeMonthlyUsage({
+        limit: limits.monthlyLimit,
+        usage: row.monthlyUsage ?? 0,
+        timeUpdated: row.timeMonthlyUpdated ?? new Date(),
+        timeSubscribed: row.timeCreated,
+      }),
+    }
+  }, workspaceID)
+}, "lite.subscription.get")
+
+function formatResetTime(seconds: number, i18n: ReturnType<typeof useI18n>) {
+  const days = Math.floor(seconds / 86400)
+  if (days >= 1) {
+    const hours = Math.floor((seconds % 86400) / 3600)
+    return `${days} ${days === 1 ? i18n.t("workspace.lite.time.day") : i18n.t("workspace.lite.time.days")} ${hours} ${hours === 1 ? i18n.t("workspace.lite.time.hour") : i18n.t("workspace.lite.time.hours")}`
+  }
+  const hours = Math.floor(seconds / 3600)
+  const minutes = Math.floor((seconds % 3600) / 60)
+  if (hours >= 1)
+    return `${hours} ${hours === 1 ? i18n.t("workspace.lite.time.hour") : i18n.t("workspace.lite.time.hours")} ${minutes} ${minutes === 1 ? i18n.t("workspace.lite.time.minute") : i18n.t("workspace.lite.time.minutes")}`
+  if (minutes === 0) return i18n.t("workspace.lite.time.fewSeconds")
+  return `${minutes} ${minutes === 1 ? i18n.t("workspace.lite.time.minute") : i18n.t("workspace.lite.time.minutes")}`
+}
+
+const createLiteCheckoutUrl = action(async (workspaceID: string, successUrl: string, cancelUrl: string) => {
+  "use server"
+  return json(
+    await withActor(
+      () =>
+        Billing.generateLiteCheckoutUrl({ successUrl, cancelUrl })
+          .then((data) => ({ error: undefined, data }))
+          .catch((e) => ({
+            error: e.message as string,
+            data: undefined,
+          })),
+      workspaceID,
+    ),
+    { revalidate: [queryBillingInfo.key, queryLiteSubscription.key] },
+  )
+}, "liteCheckoutUrl")
+
+const createSessionUrl = action(async (workspaceID: string, returnUrl: string) => {
+  "use server"
+  return json(
+    await withActor(
+      () =>
+        Billing.generateSessionUrl({ returnUrl })
+          .then((data) => ({ error: undefined, data }))
+          .catch((e) => ({
+            error: e.message as string,
+            data: undefined,
+          })),
+      workspaceID,
+    ),
+    { revalidate: [queryBillingInfo.key, queryLiteSubscription.key] },
+  )
+}, "liteSessionUrl")
+
+const setLiteUseBalance = action(async (form: FormData) => {
+  "use server"
+  const workspaceID = form.get("workspaceID")?.toString()
+  if (!workspaceID) return { error: "Workspace ID is required" }
+  const useBalance = form.get("useBalance")?.toString() === "true"
+
+  return json(
+    await withActor(async () => {
+      await Database.use((tx) =>
+        tx
+          .update(BillingTable)
+          .set({
+            lite: useBalance ? { useBalance: true } : {},
+          })
+          .where(eq(BillingTable.workspaceID, workspaceID)),
+      )
+      return { error: undefined }
+    }, workspaceID).catch((e) => ({ error: e.message as string })),
+    { revalidate: [queryBillingInfo.key, queryLiteSubscription.key] },
+  )
+}, "setLiteUseBalance")
+
+export function LiteSection() {
+  const params = useParams()
+  const i18n = useI18n()
+  const lite = createAsync(() => queryLiteSubscription(params.id!))
+  const sessionAction = useAction(createSessionUrl)
+  const sessionSubmission = useSubmission(createSessionUrl)
+  const checkoutAction = useAction(createLiteCheckoutUrl)
+  const checkoutSubmission = useSubmission(createLiteCheckoutUrl)
+  const useBalanceSubmission = useSubmission(setLiteUseBalance)
+  const [store, setStore] = createStore({
+    redirecting: false,
+  })
+
+  async function onClickSession() {
+    const result = await sessionAction(params.id!, window.location.href)
+    if (result.data) {
+      setStore("redirecting", true)
+      window.location.href = result.data
+    }
+  }
+
+  async function onClickSubscribe() {
+    const result = await checkoutAction(params.id!, window.location.href, window.location.href)
+    if (result.data) {
+      setStore("redirecting", true)
+      window.location.href = result.data
+    }
+  }
+
+  return (
+    <>
+      <Show when={lite() && lite()!.mine && lite()!}>
+        {(sub) => (
+          <section class={styles.root}>
+            <div data-slot="section-title">
+              <h2>{i18n.t("workspace.lite.subscription.title")}</h2>
+              <div data-slot="title-row">
+                <p>{i18n.t("workspace.lite.subscription.message")}</p>
+                <button
+                  data-color="primary"
+                  disabled={sessionSubmission.pending || store.redirecting}
+                  onClick={onClickSession}
+                >
+                  {sessionSubmission.pending || store.redirecting
+                    ? i18n.t("workspace.lite.loading")
+                    : i18n.t("workspace.lite.subscription.manage")}
+                </button>
+              </div>
+            </div>
+            <div data-slot="usage">
+              <div data-slot="usage-item">
+                <div data-slot="usage-header">
+                  <span data-slot="usage-label">{i18n.t("workspace.lite.subscription.rollingUsage")}</span>
+                  <span data-slot="usage-value">{sub().rollingUsage.usagePercent}%</span>
+                </div>
+                <div data-slot="progress">
+                  <div data-slot="progress-bar" style={{ width: `${sub().rollingUsage.usagePercent}%` }} />
+                </div>
+                <span data-slot="reset-time">
+                  {i18n.t("workspace.lite.subscription.resetsIn")}{" "}
+                  {formatResetTime(sub().rollingUsage.resetInSec, i18n)}
+                </span>
+              </div>
+              <div data-slot="usage-item">
+                <div data-slot="usage-header">
+                  <span data-slot="usage-label">{i18n.t("workspace.lite.subscription.weeklyUsage")}</span>
+                  <span data-slot="usage-value">{sub().weeklyUsage.usagePercent}%</span>
+                </div>
+                <div data-slot="progress">
+                  <div data-slot="progress-bar" style={{ width: `${sub().weeklyUsage.usagePercent}%` }} />
+                </div>
+                <span data-slot="reset-time">
+                  {i18n.t("workspace.lite.subscription.resetsIn")} {formatResetTime(sub().weeklyUsage.resetInSec, i18n)}
+                </span>
+              </div>
+              <div data-slot="usage-item">
+                <div data-slot="usage-header">
+                  <span data-slot="usage-label">{i18n.t("workspace.lite.subscription.monthlyUsage")}</span>
+                  <span data-slot="usage-value">{sub().monthlyUsage.usagePercent}%</span>
+                </div>
+                <div data-slot="progress">
+                  <div data-slot="progress-bar" style={{ width: `${sub().monthlyUsage.usagePercent}%` }} />
+                </div>
+                <span data-slot="reset-time">
+                  {i18n.t("workspace.lite.subscription.resetsIn")}{" "}
+                  {formatResetTime(sub().monthlyUsage.resetInSec, i18n)}
+                </span>
+              </div>
+            </div>
+            <form action={setLiteUseBalance} method="post" data-slot="setting-row">
+              <p>{i18n.t("workspace.lite.subscription.useBalance")}</p>
+              <input type="hidden" name="workspaceID" value={params.id} />
+              <input type="hidden" name="useBalance" value={sub().useBalance ? "false" : "true"} />
+              <label data-slot="toggle-label">
+                <input
+                  type="checkbox"
+                  checked={sub().useBalance}
+                  disabled={useBalanceSubmission.pending}
+                  onChange={(e) => e.currentTarget.form?.requestSubmit()}
+                />
+                <span></span>
+              </label>
+            </form>
+          </section>
+        )}
+      </Show>
+      <Show when={lite() && !lite()!.mine}>
+        <section class={styles.root}>
+          <div data-slot="section-title">
+            <h2>{i18n.t("workspace.lite.other.title")}</h2>
+          </div>
+          <p data-slot="other-message">{i18n.t("workspace.lite.other.message")}</p>
+        </section>
+      </Show>
+      <Show when={lite() === null}>
+        <section class={styles.root}>
+          <div data-slot="section-title">
+            <h2>{i18n.t("workspace.lite.promo.title")}</h2>
+          </div>
+          <p data-slot="promo-description">{i18n.t("workspace.lite.promo.description")}</p>
+          <button
+            data-slot="subscribe-button"
+            data-color="primary"
+            disabled={checkoutSubmission.pending || store.redirecting}
+            onClick={onClickSubscribe}
+          >
+            {checkoutSubmission.pending || store.redirecting
+              ? i18n.t("workspace.lite.promo.subscribing")
+              : i18n.t("workspace.lite.promo.subscribe")}
+          </button>
+        </section>
+      </Show>
+    </>
+  )
+}
diff --git a/packages/console/app/src/routes/workspace/[id]/graph-section.tsx b/packages/console/app/src/routes/workspace/[id]/graph-section.tsx
index f26c7291d..56a31cdd0 100644
--- a/packages/console/app/src/routes/workspace/[id]/graph-section.tsx
+++ b/packages/console/app/src/routes/workspace/[id]/graph-section.tsx
@@ -36,7 +36,7 @@ async function getCosts(workspaceID: string, year: number, month: number) {
           model: UsageTable.model,
           totalCost: sum(UsageTable.cost),
           keyId: UsageTable.keyID,
-          subscription: sql<boolean>`COALESCE(JSON_EXTRACT(${UsageTable.enrichment}, '$.plan') = 'sub', false)`,
+          plan: sql<string | null>`JSON_EXTRACT(${UsageTable.enrichment}, '$.plan')`,
         })
         .from(UsageTable)
         .where(
@@ -50,13 +50,13 @@ async function getCosts(workspaceID: string, year: number, month: number) {
           sql`DATE(${UsageTable.timeCreated})`,
           UsageTable.model,
           UsageTable.keyID,
-          sql`COALESCE(JSON_EXTRACT(${UsageTable.enrichment}, '$.plan') = 'sub', false)`,
+          sql`JSON_EXTRACT(${UsageTable.enrichment}, '$.plan')`,
         )
         .then((x) =>
           x.map((r) => ({
             ...r,
             totalCost: r.totalCost ? parseInt(r.totalCost) : 0,
-            subscription: Boolean(r.subscription),
+            plan: r.plan as "sub" | "lite" | "byok" | null,
           })),
         ),
     )
@@ -218,18 +218,21 @@ export function GraphSection() {
     const colorTextSecondary = styles.getPropertyValue("--color-text-secondary").trim()
     const colorBorder = styles.getPropertyValue("--color-border").trim()
     const subSuffix = ` (${i18n.t("workspace.cost.subscriptionShort")})`
+    const liteSuffix = ` (${i18n.t("workspace.cost.liteShort")})`
 
+    const dailyDataRegular = new Map<string, Map<string, number>>()
     const dailyDataSub = new Map<string, Map<string, number>>()
-    const dailyDataNonSub = new Map<string, Map<string, number>>()
+    const dailyDataLite = new Map<string, Map<string, number>>()
     for (const dateKey of dates) {
+      dailyDataRegular.set(dateKey, new Map())
       dailyDataSub.set(dateKey, new Map())
-      dailyDataNonSub.set(dateKey, new Map())
+      dailyDataLite.set(dateKey, new Map())
     }
 
     data.usage
       .filter((row) => (store.key ? row.keyId === store.key : true))
       .forEach((row) => {
-        const targetMap = row.subscription ? dailyDataSub : dailyDataNonSub
+        const targetMap = row.plan === "sub" ? dailyDataSub : row.plan === "lite" ? dailyDataLite : dailyDataRegular
         const dayMap = targetMap.get(row.date)
         if (!dayMap) return
         dayMap.set(row.model, (dayMap.get(row.model) ?? 0) + row.totalCost)
@@ -237,15 +240,15 @@ export function GraphSection() {
 
     const filteredModels = store.model === null ? getModels() : [store.model]
 
-    // Create datasets: non-subscription first, then subscription (with hatched pattern effect via opacity)
+    // Create datasets: regular first, then subscription, then lite (with visual distinction via opacity)
     const datasets = [
       ...filteredModels
-        .filter((model) => dates.some((date) => (dailyDataNonSub.get(date)?.get(model) || 0) > 0))
+        .filter((model) => dates.some((date) => (dailyDataRegular.get(date)?.get(model) || 0) > 0))
         .map((model) => {
           const color = getModelColor(model)
           return {
             label: model,
-            data: dates.map((date) => (dailyDataNonSub.get(date)?.get(model) || 0) / 100_000_000),
+            data: dates.map((date) => (dailyDataRegular.get(date)?.get(model) || 0) / 100_000_000),
             backgroundColor: color,
             hoverBackgroundColor: color,
             borderWidth: 0,
@@ -266,6 +269,21 @@ export function GraphSection() {
             stack: "subscription",
           }
         }),
+      ...filteredModels
+        .filter((model) => dates.some((date) => (dailyDataLite.get(date)?.get(model) || 0) > 0))
+        .map((model) => {
+          const color = getModelColor(model)
+          return {
+            label: `${model}${liteSuffix}`,
+            data: dates.map((date) => (dailyDataLite.get(date)?.get(model) || 0) / 100_000_000),
+            backgroundColor: addOpacityToColor(color, 0.35),
+            hoverBackgroundColor: addOpacityToColor(color, 0.55),
+            borderWidth: 1,
+            borderColor: addOpacityToColor(color, 0.7),
+            borderDash: [4, 2],
+            stack: "lite",
+          }
+        }),
     ]
 
     return {
@@ -347,9 +365,18 @@ export function GraphSection() {
                 const meta = chart.getDatasetMeta(i)
                 const label = dataset.label || ""
                 const isSub = label.endsWith(subSuffix)
-                const model = isSub ? label.slice(0, -subSuffix.length) : label
+                const isLite = label.endsWith(liteSuffix)
+                const model = isSub
+                  ? label.slice(0, -subSuffix.length)
+                  : isLite
+                    ? label.slice(0, -liteSuffix.length)
+                    : label
                 const baseColor = getModelColor(model)
-                const originalColor = isSub ? addOpacityToColor(baseColor, 0.5) : baseColor
+                const originalColor = isSub
+                  ? addOpacityToColor(baseColor, 0.5)
+                  : isLite
+                    ? addOpacityToColor(baseColor, 0.35)
+                    : baseColor
                 const color = i === legendItem.datasetIndex ? originalColor : addOpacityToColor(baseColor, 0.15)
                 meta.data.forEach((bar: any) => {
                   bar.options.backgroundColor = color
@@ -363,9 +390,18 @@ export function GraphSection() {
                 const meta = chart.getDatasetMeta(i)
                 const label = dataset.label || ""
                 const isSub = label.endsWith(subSuffix)
-                const model = isSub ? label.slice(0, -subSuffix.length) : label
+                const isLite = label.endsWith(liteSuffix)
+                const model = isSub
+                  ? label.slice(0, -subSuffix.length)
+                  : isLite
+                    ? label.slice(0, -liteSuffix.length)
+                    : label
                 const baseColor = getModelColor(model)
-                const color = isSub ? addOpacityToColor(baseColor, 0.5) : baseColor
+                const color = isSub
+                  ? addOpacityToColor(baseColor, 0.5)
+                  : isLite
+                    ? addOpacityToColor(baseColor, 0.35)
+                    : baseColor
                 meta.data.forEach((bar: any) => {
                   bar.options.backgroundColor = color
                 })
diff --git a/packages/console/app/src/routes/workspace/[id]/usage-section.tsx b/packages/console/app/src/routes/workspace/[id]/usage-section.tsx
index 3d6637610..a20a5bf0d 100644
--- a/packages/console/app/src/routes/workspace/[id]/usage-section.tsx
+++ b/packages/console/app/src/routes/workspace/[id]/usage-section.tsx
@@ -1,6 +1,6 @@
 import { Billing } from "@opencode-ai/console-core/billing.js"
 import { createAsync, query, useParams } from "@solidjs/router"
-import { createMemo, For, Show, createEffect, createSignal } from "solid-js"
+import { createMemo, For, Show, Switch, Match, createEffect, createSignal } from "solid-js"
 import { formatDateUTC, formatDateForTable } from "../common"
 import { withActor } from "~/context/auth.withActor"
 import { IconChevronLeft, IconChevronRight, IconBreakdown } from "~/component/icon"
@@ -175,23 +175,23 @@ export function UsageSection() {
                         </div>
                       </td>
                       <td data-slot="usage-cost">
-                        <Show
-                          when={usage.enrichment?.plan === "sub"}
-                          fallback={
-                            <Show
-                              when={usage.enrichment?.plan === "byok"}
-                              fallback={<>${((usage.cost ?? 0) / 100000000).toFixed(4)}</>}
-                            >
-                              {i18n.t("workspace.usage.byok", {
-                                amount: ((usage.cost ?? 0) / 100000000).toFixed(4),
-                              })}
-                            </Show>
-                          }
-                        >
-                          {i18n.t("workspace.usage.subscription", {
-                            amount: ((usage.cost ?? 0) / 100000000).toFixed(4),
-                          })}
-                        </Show>
+                        <Switch fallback={<>${((usage.cost ?? 0) / 100000000).toFixed(4)}</>}>
+                          <Match when={usage.enrichment?.plan === "sub"}>
+                            {i18n.t("workspace.usage.subscription", {
+                              amount: ((usage.cost ?? 0) / 100000000).toFixed(4),
+                            })}
+                          </Match>
+                          <Match when={usage.enrichment?.plan === "lite"}>
+                            {i18n.t("workspace.usage.lite", {
+                              amount: ((usage.cost ?? 0) / 100000000).toFixed(4),
+                            })}
+                          </Match>
+                          <Match when={usage.enrichment?.plan === "byok"}>
+                            {i18n.t("workspace.usage.byok", {
+                              amount: ((usage.cost ?? 0) / 100000000).toFixed(4),
+                            })}
+                          </Match>
+                        </Switch>
                       </td>
                       <td data-slot="usage-session">{usage.sessionID?.slice(-8) ?? "-"}</td>
                     </tr>
diff --git a/packages/console/app/src/routes/workspace/common.tsx b/packages/console/app/src/routes/workspace/common.tsx
index 5cbd67183..d41793dd9 100644
--- a/packages/console/app/src/routes/workspace/common.tsx
+++ b/packages/console/app/src/routes/workspace/common.tsx
@@ -115,6 +115,8 @@ export const queryBillingInfo = query(async (workspaceID: string) => {
       subscriptionPlan: billing.subscriptionPlan,
       timeSubscriptionBooked: billing.timeSubscriptionBooked,
       timeSubscriptionSelected: billing.timeSubscriptionSelected,
+      lite: billing.lite,
+      liteSubscriptionID: billing.liteSubscriptionID,
     }
   }, workspaceID)
 }, "billing.get")
diff --git a/packages/console/app/src/routes/zen/lite/v1/messages.ts b/packages/console/app/src/routes/zen/lite/v1/messages.ts
new file mode 100644
index 000000000..ee401e6aa
--- /dev/null
+++ b/packages/console/app/src/routes/zen/lite/v1/messages.ts
@@ -0,0 +1,12 @@
+import type { APIEvent } from "@solidjs/start/server"
+import { handler } from "~/routes/zen/util/handler"
+
+export function POST(input: APIEvent) {
+  return handler(input, {
+    format: "anthropic",
+    modelList: "lite",
+    parseApiKey: (headers: Headers) => headers.get("x-api-key") ?? undefined,
+    parseModel: (url: string, body: any) => body.model,
+    parseIsStream: (url: string, body: any) => !!body.stream,
+  })
+}
diff --git a/packages/console/app/src/routes/zen/util/handler.ts b/packages/console/app/src/routes/zen/util/handler.ts
index 6096d7378..80a4b3ab7 100644
--- a/packages/console/app/src/routes/zen/util/handler.ts
+++ b/packages/console/app/src/routes/zen/util/handler.ts
@@ -1,9 +1,9 @@
 import type { APIEvent } from "@solidjs/start/server"
 import { and, Database, eq, isNull, lt, or, sql } from "@opencode-ai/console-core/drizzle/index.js"
 import { KeyTable } from "@opencode-ai/console-core/schema/key.sql.js"
-import { BillingTable, SubscriptionTable, UsageTable } from "@opencode-ai/console-core/schema/billing.sql.js"
+import { BillingTable, LiteTable, SubscriptionTable, UsageTable } from "@opencode-ai/console-core/schema/billing.sql.js"
 import { centsToMicroCents } from "@opencode-ai/console-core/util/price.js"
-import { getWeekBounds } from "@opencode-ai/console-core/util/date.js"
+import { getMonthlyBounds, getWeekBounds } from "@opencode-ai/console-core/util/date.js"
 import { Identifier } from "@opencode-ai/console-core/identifier.js"
 import { Billing } from "@opencode-ai/console-core/billing.js"
 import { Actor } from "@opencode-ai/console-core/actor.js"
@@ -33,13 +33,14 @@ import { createRateLimiter } from "./rateLimiter"
 import { createDataDumper } from "./dataDumper"
 import { createTrialLimiter } from "./trialLimiter"
 import { createStickyTracker } from "./stickyProviderTracker"
+import { LiteData } from "@opencode-ai/console-core/lite.js"
 
 type ZenData = Awaited<ReturnType<typeof ZenData.list>>
 type RetryOptions = {
   excludeProviders: string[]
   retryCount: number
 }
-type BillingSource = "anonymous" | "free" | "byok" | "subscription" | "balance"
+type BillingSource = "anonymous" | "free" | "byok" | "subscription" | "lite" | "balance"
 
 export async function handler(
   input: APIEvent,
@@ -454,6 +455,7 @@ export async function handler(
             reloadTrigger: BillingTable.reloadTrigger,
             timeReloadLockedTill: BillingTable.timeReloadLockedTill,
             subscription: BillingTable.subscription,
+            lite: BillingTable.lite,
           },
           user: {
             id: UserTable.id,
@@ -461,13 +463,23 @@ export async function handler(
             monthlyUsage: UserTable.monthlyUsage,
             timeMonthlyUsageUpdated: UserTable.timeMonthlyUsageUpdated,
           },
-          subscription: {
+          black: {
             id: SubscriptionTable.id,
             rollingUsage: SubscriptionTable.rollingUsage,
             fixedUsage: SubscriptionTable.fixedUsage,
             timeRollingUpdated: SubscriptionTable.timeRollingUpdated,
             timeFixedUpdated: SubscriptionTable.timeFixedUpdated,
           },
+          lite: {
+            id: LiteTable.id,
+            timeCreated: LiteTable.timeCreated,
+            rollingUsage: LiteTable.rollingUsage,
+            weeklyUsage: LiteTable.weeklyUsage,
+            monthlyUsage: LiteTable.monthlyUsage,
+            timeRollingUpdated: LiteTable.timeRollingUpdated,
+            timeWeeklyUpdated: LiteTable.timeWeeklyUpdated,
+            timeMonthlyUpdated: LiteTable.timeMonthlyUpdated,
+          },
           provider: {
             credentials: ProviderTable.credentials,
           },
@@ -495,6 +507,14 @@ export async function handler(
             isNull(SubscriptionTable.timeDeleted),
           ),
         )
+        .leftJoin(
+          LiteTable,
+          and(
+            eq(LiteTable.workspaceID, KeyTable.workspaceID),
+            eq(LiteTable.userID, KeyTable.userID),
+            isNull(LiteTable.timeDeleted),
+          ),
+        )
         .where(and(eq(KeyTable.key, apiKey), isNull(KeyTable.timeDeleted)))
         .then((rows) => rows[0]),
     )
@@ -503,8 +523,19 @@ export async function handler(
     logger.metric({
       api_key: data.apiKey,
       workspace: data.workspaceID,
-      isSubscription: data.subscription ? true : false,
-      subscription: data.billing.subscription?.plan,
+      ...(() => {
+        if (data.billing.subscription)
+          return {
+            isSubscription: true,
+            subscription: data.billing.subscription.plan,
+          }
+        if (data.billing.lite)
+          return {
+            isSubscription: true,
+            subscription: "lite",
+          }
+        return {}
+      })(),
     })
 
     return {
@@ -512,7 +543,8 @@ export async function handler(
       workspaceID: data.workspaceID,
       billing: data.billing,
       user: data.user,
-      subscription: data.subscription,
+      black: data.black,
+      lite: data.lite,
       provider: data.provider,
       isFree: FREE_WORKSPACES.includes(data.workspaceID),
       isDisabled: !!data.timeDisabled,
@@ -525,21 +557,21 @@ export async function handler(
     if (authInfo.isFree) return "free"
     if (modelInfo.allowAnonymous) return "free"
 
-    // Validate subscription billing
-    if (authInfo.billing.subscription && authInfo.subscription) {
+    const formatRetryTime = (seconds: number) => {
+      const days = Math.floor(seconds / 86400)
+      if (days >= 1) return `${days} day${days > 1 ? "s" : ""}`
+      const hours = Math.floor(seconds / 3600)
+      const minutes = Math.ceil((seconds % 3600) / 60)
+      if (hours >= 1) return `${hours}hr ${minutes}min`
+      return `${minutes}min`
+    }
+
+    // Validate black subscription billing
+    if (authInfo.billing.subscription && authInfo.black) {
       try {
-        const sub = authInfo.subscription
+        const sub = authInfo.black
         const plan = authInfo.billing.subscription.plan
 
-        const formatRetryTime = (seconds: number) => {
-          const days = Math.floor(seconds / 86400)
-          if (days >= 1) return `${days} day${days > 1 ? "s" : ""}`
-          const hours = Math.floor(seconds / 3600)
-          const minutes = Math.ceil((seconds % 3600) / 60)
-          if (hours >= 1) return `${hours}hr ${minutes}min`
-          return `${minutes}min`
-        }
-
         // Check weekly limit
         if (sub.fixedUsage && sub.timeFixedUpdated) {
           const blackData = BlackData.getLimits({ plan })
@@ -577,6 +609,62 @@ export async function handler(
       }
     }
 
+    // Validate lite subscription billing
+    if (opts.modelList === "lite" && authInfo.billing.lite && authInfo.lite) {
+      try {
+        const sub = authInfo.lite
+        const liteData = LiteData.getLimits()
+
+        // Check weekly limit
+        if (sub.weeklyUsage && sub.timeWeeklyUpdated) {
+          const result = Subscription.analyzeWeeklyUsage({
+            limit: liteData.weeklyLimit,
+            usage: sub.weeklyUsage,
+            timeUpdated: sub.timeWeeklyUpdated,
+          })
+          if (result.status === "rate-limited")
+            throw new SubscriptionUsageLimitError(
+              `Subscription quota exceeded. Retry in ${formatRetryTime(result.resetInSec)}.`,
+              result.resetInSec,
+            )
+        }
+
+        // Check monthly limit
+        if (sub.monthlyUsage && sub.timeMonthlyUpdated) {
+          const result = Subscription.analyzeMonthlyUsage({
+            limit: liteData.monthlyLimit,
+            usage: sub.monthlyUsage,
+            timeUpdated: sub.timeMonthlyUpdated,
+            timeSubscribed: sub.timeCreated,
+          })
+          if (result.status === "rate-limited")
+            throw new SubscriptionUsageLimitError(
+              `Subscription quota exceeded. Retry in ${formatRetryTime(result.resetInSec)}.`,
+              result.resetInSec,
+            )
+        }
+
+        // Check rolling limit
+        if (sub.monthlyUsage && sub.timeMonthlyUpdated) {
+          const result = Subscription.analyzeRollingUsage({
+            limit: liteData.rollingLimit,
+            window: liteData.rollingWindow,
+            usage: sub.monthlyUsage,
+            timeUpdated: sub.timeMonthlyUpdated,
+          })
+          if (result.status === "rate-limited")
+            throw new SubscriptionUsageLimitError(
+              `Subscription quota exceeded. Retry in ${formatRetryTime(result.resetInSec)}.`,
+              result.resetInSec,
+            )
+        }
+
+        return "lite"
+      } catch (e) {
+        if (!authInfo.billing.lite.useBalance) throw e
+      }
+    }
+
     // Validate pay as you go billing
     const billing = authInfo.billing
     if (!billing.paymentMethodID)
@@ -743,6 +831,7 @@ export async function handler(
           enrichment: (() => {
             if (billingSource === "subscription") return { plan: "sub" }
             if (billingSource === "byok") return { plan: "byok" }
+            if (billingSource === "lite") return { plan: "lite" }
             return undefined
           })(),
         }),
@@ -750,74 +839,115 @@ export async function handler(
           .update(KeyTable)
           .set({ timeUsed: sql`now()` })
           .where(and(eq(KeyTable.workspaceID, authInfo.workspaceID), eq(KeyTable.id, authInfo.apiKeyId))),
-        ...(billingSource === "subscription"
-          ? (() => {
-              const plan = authInfo.billing.subscription!.plan
-              const black = BlackData.getLimits({ plan })
-              const week = getWeekBounds(new Date())
-              const rollingWindowSeconds = black.rollingWindow * 3600
-              return [
-                db
-                  .update(SubscriptionTable)
-                  .set({
-                    fixedUsage: sql`
+        ...(() => {
+          if (billingSource === "subscription") {
+            const plan = authInfo.billing.subscription!.plan
+            const black = BlackData.getLimits({ plan })
+            const week = getWeekBounds(new Date())
+            const rollingWindowSeconds = black.rollingWindow * 3600
+            return [
+              db
+                .update(SubscriptionTable)
+                .set({
+                  fixedUsage: sql`
               CASE
                 WHEN ${SubscriptionTable.timeFixedUpdated} >= ${week.start} THEN ${SubscriptionTable.fixedUsage} + ${cost}
                 ELSE ${cost}
               END
             `,
-                    timeFixedUpdated: sql`now()`,
-                    rollingUsage: sql`
+                  timeFixedUpdated: sql`now()`,
+                  rollingUsage: sql`
               CASE
                 WHEN UNIX_TIMESTAMP(${SubscriptionTable.timeRollingUpdated}) >= UNIX_TIMESTAMP(now()) - ${rollingWindowSeconds} THEN ${SubscriptionTable.rollingUsage} + ${cost}
                 ELSE ${cost}
               END
             `,
-                    timeRollingUpdated: sql`
+                  timeRollingUpdated: sql`
               CASE
                 WHEN UNIX_TIMESTAMP(${SubscriptionTable.timeRollingUpdated}) >= UNIX_TIMESTAMP(now()) - ${rollingWindowSeconds} THEN ${SubscriptionTable.timeRollingUpdated}
                 ELSE now()
               END
             `,
-                  })
-                  .where(
-                    and(
-                      eq(SubscriptionTable.workspaceID, authInfo.workspaceID),
-                      eq(SubscriptionTable.userID, authInfo.user.id),
-                    ),
+                })
+                .where(
+                  and(
+                    eq(SubscriptionTable.workspaceID, authInfo.workspaceID),
+                    eq(SubscriptionTable.userID, authInfo.user.id),
                   ),
-              ]
-            })()
-          : [
+                ),
+            ]
+          }
+          if (billingSource === "lite") {
+            const lite = LiteData.getLimits()
+            const week = getWeekBounds(new Date())
+            const month = getMonthlyBounds(new Date(), authInfo.lite!.timeCreated)
+            const rollingWindowSeconds = lite.rollingWindow * 3600
+            return [
               db
-                .update(BillingTable)
+                .update(LiteTable)
                 .set({
-                  balance:
-                    billingSource === "free" || billingSource === "byok"
-                      ? sql`${BillingTable.balance} - ${0}`
-                      : sql`${BillingTable.balance} - ${cost}`,
                   monthlyUsage: sql`
               CASE
-                WHEN MONTH(${BillingTable.timeMonthlyUsageUpdated}) = MONTH(now()) AND YEAR(${BillingTable.timeMonthlyUsageUpdated}) = YEAR(now()) THEN ${BillingTable.monthlyUsage} + ${cost}
+                WHEN ${LiteTable.timeMonthlyUpdated} >= ${month.start} THEN ${LiteTable.monthlyUsage} + ${cost}
                 ELSE ${cost}
               END
             `,
-                  timeMonthlyUsageUpdated: sql`now()`,
+                  timeMonthlyUpdated: sql`now()`,
+                  weeklyUsage: sql`
+              CASE
+                WHEN ${LiteTable.timeWeeklyUpdated} >= ${week.start} THEN ${LiteTable.weeklyUsage} + ${cost}
+                ELSE ${cost}
+              END
+            `,
+                  timeWeeklyUpdated: sql`now()`,
+                  rollingUsage: sql`
+              CASE
+                WHEN UNIX_TIMESTAMP(${LiteTable.timeRollingUpdated}) >= UNIX_TIMESTAMP(now()) - ${rollingWindowSeconds} THEN ${LiteTable.rollingUsage} + ${cost}
+                ELSE ${cost}
+              END
+            `,
+                  timeRollingUpdated: sql`
+              CASE
+                WHEN UNIX_TIMESTAMP(${LiteTable.timeRollingUpdated}) >= UNIX_TIMESTAMP(now()) - ${rollingWindowSeconds} THEN ${LiteTable.timeRollingUpdated}
+                ELSE now()
+              END
+            `,
                 })
-                .where(eq(BillingTable.workspaceID, authInfo.workspaceID)),
-              db
-                .update(UserTable)
-                .set({
-                  monthlyUsage: sql`
+                .where(and(eq(LiteTable.workspaceID, authInfo.workspaceID), eq(LiteTable.userID, authInfo.user.id))),
+            ]
+          }
+
+          return [
+            db
+              .update(BillingTable)
+              .set({
+                balance:
+                  billingSource === "free" || billingSource === "byok"
+                    ? sql`${BillingTable.balance} - ${0}`
+                    : sql`${BillingTable.balance} - ${cost}`,
+                monthlyUsage: sql`
+              CASE
+                WHEN MONTH(${BillingTable.timeMonthlyUsageUpdated}) = MONTH(now()) AND YEAR(${BillingTable.timeMonthlyUsageUpdated}) = YEAR(now()) THEN ${BillingTable.monthlyUsage} + ${cost}
+                ELSE ${cost}
+              END
+            `,
+                timeMonthlyUsageUpdated: sql`now()`,
+              })
+              .where(eq(BillingTable.workspaceID, authInfo.workspaceID)),
+            db
+              .update(UserTable)
+              .set({
+                monthlyUsage: sql`
               CASE
                 WHEN MONTH(${UserTable.timeMonthlyUsageUpdated}) = MONTH(now()) AND YEAR(${UserTable.timeMonthlyUsageUpdated}) = YEAR(now()) THEN ${UserTable.monthlyUsage} + ${cost}
                 ELSE ${cost}
               END
             `,
-                  timeMonthlyUsageUpdated: sql`now()`,
-                })
-                .where(and(eq(UserTable.workspaceID, authInfo.workspaceID), eq(UserTable.id, authInfo.user.id))),
-            ]),
+                timeMonthlyUsageUpdated: sql`now()`,
+              })
+              .where(and(eq(UserTable.workspaceID, authInfo.workspaceID), eq(UserTable.id, authInfo.user.id))),
+          ]
+        })(),
       ]),
     )