feat(freebuff): enhance Freebucks handling and pricing logic across services

open-sse/executors/freebuff.js

@@ -334,8 +334,26 @@ async function requestSession(token, model, proxyOptions) {
     premium_slot_taken: "Freebuff premium slot is taken — try another model.",
   };
   if (GATE_MESSAGES[status]) {
-    const message = data?.message ? `${GATE_MESSAGES[status]} ${data.message}` : GATE_MESSAGES[status];
+    const err = new Error(data?.message ? `${GATE_MESSAGES[status]} ${data.message}` : GATE_MESSAGES[status]);
-    throw new Error(message);
+    // Freebucks / session-allowance exhaustion is a hard stop until the daily
+    // Pacific reset — mark the account unavailable until then so accountFallback
+    // SKIPS it for the rest of the day instead of retrying every 30s and getting
+    // refused repeatedly. resetsAtMs is honored by markAccountUnavailable;
+    // freebuff bypasses the generic 30-min cap (see auth.js).
+    if (status === "rate_limited" || status === "spend_limited") {
+      const resetAtMs = Date.parse(data?.resetAt || "");
+      if (Number.isFinite(resetAtMs) && resetAtMs > Date.now()) {
+        err.resetsAtMs = resetAtMs;
+        err.status = 429;
+      } else {
+        const retryAfterMs = Number(data?.retryAfterMs);
+        if (Number.isFinite(retryAfterMs) && retryAfterMs > 0) {
+          err.resetsAtMs = Date.now() + retryAfterMs;
+          err.status = 429;
+        }
+      }
+    }
+    throw err;
   }
   throw new Error(`Freebuff session rejected (${status || response.status}): ${JSON.stringify(data).slice(0, 200)}`);
 }

open-sse/providers/registry/freebuff.js

@@ -34,7 +34,7 @@ export default {
     website: "https://freebuff.com",
     notice: {
       signupUrl: "https://freebuff.com",
-      text: "Free ad-supported coding agent by Codebuff. Sign in with your Freebuff/Codebuff account via browser login. Free tier is ad-supported and limited in some regions (limited mode: 6 x 1-hour sessions/day); full mode runs in select countries. ⚠️ One account has ONE active session locked to ONE model — requesting a different model while a session is active returns 'model_locked' (409); use a separate account per model, or wait for the session to expire.",
+      text: "Free ad-supported coding agent by Codebuff. Sign in with your Freebuff/Codebuff account via browser login. Each model is priced in Freebucks per hour of session, charged once when the session starts. Your daily Freebucks refill at midnight Pacific; the wallet keeps what you buy or earn. Free tier is ad-supported and limited in some regions (limited mode: 6 x 1-hour sessions/day); full mode runs in select countries. ⚠️ One account has ONE active session locked to ONE model — rLine truncated
     },
   },
   category: "free",
@@ -63,15 +63,21 @@ export default {
     usage: true,
   },
   // Mirrors the Freebuff waiting-room picker (upstream FREEBUFF_MODELS) as of
-  // 2026-09-05, plus the capacity-limited Fable trial. deepseek-v4-pro and
+  // 2026-09-07. NO per-model prices live here: Freebucks pricing is
-  // minimax-m3 were withdrawn upstream (2026-08-26 / 2026-08-20) and ox-alpha
+  // server-authoritative — the session response's `freebucks` block carries
-  // (2026-08-27) + gemini-3.8-flash (2026-09-03) never stuck — none are
+  // `prices` (model → Freebucks/hr) plus an announced `priceChanges` schedule
-  // claimable anymore. z-ai/glm-5.2 is a referral reward (not a free pick),
+  // (promos like Solar Pro 4's Labor Day run expire server-side; see
-  // luna-es / kimi-k3-eco are god-only rows, and the `-max` variants are
+  // services/usage/freebuff.js which folds both in, exactly like the upstream
-  // provisioned per-account — all intentionally omitted. Fable is a
+  // CLI which hardcodes no number). Plus the capacity-limited Fable trial.
-  // capacity-limited WAVE trial: sessions only claim while the backend
+  // deepseek-v4-pro and minimax-m3 were withdrawn upstream (2026-08-26 /
-  // advertises it via limitedModelOffers on the session status (the executor
+  // 2026-08-20) and ox-alpha (2026-08-27) + gemini-3.8-flash (2026-09-03)
-  // auto-checks before claiming); the model is otherwise refused.
+  // never stuck — none are claimable anymore.
+  // z-ai/glm-5.2 is a referral reward (not a free pick), luna-es / kimi-k3-eco
+  // are god-only rows, and the `-max` variants are provisioned per-account —
+  // all intentionally omitted. Fable is a capacity-limited WAVE trial: sessions
+  // only claim while the backend advertises it via limitedModelOffers on the
+  // session status (the executor auto-checks before claiming); the model is
+  // otherwise refused.
   models: [
     { id: "z-ai/glm-5.3-flash", name: "GLM 5.3 Flash" },
     { id: "deepseek/deepseek-v4-flash", name: "DeepSeek V4 Flash" },

open-sse/services/usage/freebuff.js

@@ -15,6 +15,22 @@
  * includes the active session's own 1.0-unit reservation. `limit` can be
  * raised by referral/streak rewards (entitlementBreakdown.base + referral +
  * streak).
+ *
+ * Freebucks-metered accounts (2026-09-02+) get NO pool rows: the server sends
+ * a `freebucks` block instead — { balance, daily:{limit,spent,remaining,resetAt},
+ * wallet:{balance,...}, monthly?:{limitUsd,spentUsd,remainingUsd,resetAt},
+ * planId, prices:{model→Freebucks/hr}, priceNotices?, priceChanges? }. The
+ * daily pool replaces rateLimitsByModel, so the tracker folds it in by
+ * replicating the pool snapshot under every priced model id, exactly as the
+ * official picker does.
+ *
+ * Pricing is SERVER-AUTHORITATIVE and nothing here hardcodes a number: each
+ * row carries the live `prices[model]` (plus its `priceNotices` tagline), and
+ * `applyFreebucksPriceChanges` folds the server's announced `priceChanges`
+ * schedule into the map — a promo (e.g. Solar Pro 4's Labor Day 0-Freebucks
+ * offer) expires and reverts on the server's timeline with no client release,
+ * mirroring upstream common/src/util/freebuff-price-changes.ts. A compact
+ * account summary (`freebucks`) rides the response for the card header.
  */
 
 import REGISTRY from "../../providers/registry/index.js";
@@ -26,6 +42,28 @@ const MODEL_LABELS = Object.fromEntries(
   (freebuffRegistry.models || []).map((m) => [m.id, m.name]),
 );
 
+// Fold the server's announced price schedule into the live price map —
+// mirrors upstream applyFreebucksPriceChanges: due changes override the price
+// AND its picker tagline, and drop off the pending list.
+function applyFreebucksPriceChanges(info) {
+  const now = Date.now();
+  const due = (info?.priceChanges || []).filter((c) => Date.parse(c.at) <= now);
+  if (due.length === 0) return info;
+  const prices = { ...(info.prices || {}) };
+  const priceNotices = { ...(info.priceNotices || {}) };
+  for (const change of due.sort((a, b) => Date.parse(a.at) - Date.parse(b.at))) {
+    if (prices[change.modelId] === undefined) continue;
+    prices[change.modelId] = change.price;
+    priceNotices[change.modelId] = change.tagline;
+  }
+  return {
+    ...info,
+    prices,
+    priceNotices,
+    priceChanges: (info.priceChanges || []).filter((c) => Date.parse(c.at) > now),
+  };
+}
+
 function sessionUrl() {
   return U("freebuff").url;
 }
@@ -102,11 +140,59 @@ export async function getFreebuffUsage(accessToken, providerSpecificData, proxyO
       };
     }
 
+    // Freebucks meter: the daily Freebucks pool is the quota for metered
+    // accounts, replicated under each priced model like the picker's rings.
+    // Prices come off the wire (prices + priceChanges folded in); each row
+    // carries its own price/tagline, and a compact summary rides the response
+    // for the account header in the UI.
+    let freebucksSummary = null;
+    const rawFreebucks = data.freebucks;
+    if (rawFreebucks && rawFreebucks.daily && typeof rawFreebucks.daily === "object") {
+      const freebucks = applyFreebucksPriceChanges(rawFreebucks);
+      const spent = Number(freebucks.daily.spent);
+      const limit = Number(freebucks.daily.limit);
+      for (const [model, price] of Object.entries(freebucks.prices || {})) {
+        quotas[model] = {
+          used: Number.isFinite(spent) ? spent : 0,
+          total: Number.isFinite(limit) ? limit : 0,
+          resetAt: freebucks.daily.resetAt || null,
+          unlimited: false,
+          recurring: true,
+          price: Number.isFinite(Number(price)) ? Number(price) : undefined,
+          ...(freebucks.priceNotices?.[model] ? { priceNote: freebucks.priceNotices[model] } : {}),
+          ...(MODEL_LABELS[model] ? { displayName: MODEL_LABELS[model] } : {}),
+        };
+      }
+      freebucksSummary = {
+        balance: Number.isFinite(Number(freebucks.balance)) ? Number(freebucks.balance) : null,
+        daily: {
+          limit: Number.isFinite(limit) ? limit : 0,
+          spent: Number.isFinite(spent) ? spent : 0,
+          remaining: Number.isFinite(Number(freebucks.daily.remaining)) ? Number(freebucks.daily.remaining) : 0,
+          resetAt: freebucks.daily.resetAt || null,
+        },
+        wallet: {
+          balance: Number.isFinite(Number(freebucks.wallet?.balance)) ? Number(freebucks.wallet.balance) : 0,
+        },
+        ...(freebucks.monthly && Number.isFinite(Number(freebucks.monthly.remainingUsd))
+          ? {
+              monthly: {
+                remainingUsd: Number(freebucks.monthly.remainingUsd),
+                limitUsd: Number.isFinite(Number(freebucks.monthly.limitUsd)) ? Number(freebucks.monthly.limitUsd) : null,
+                resetAt: freebucks.monthly.resetAt || null,
+              },
+            }
+          : {}),
+      };
+    }
+
     const plan = data.accessTier === "limited" ? "Freebuff (Limited)" : "Freebuff";
     if (Object.keys(quotas).length === 0) {
       return { plan, message: "Freebuff connected. No session quota to report right now." };
     }
-    return { plan, quotas };
+    const out = { plan, quotas };
+    if (freebucksSummary) out.freebucks = freebucksSummary;
+    return out;
   } catch (error) {
     return { message: `Freebuff usage error: ${error.message}` };
   }

src/app/(dashboard)/dashboard/usage/components/ProviderLimits/QuotaTable.js

@@ -1,7 +1,7 @@
 "use client";
 
 import { useEffect, useMemo, useState } from "react";
-import { formatResetTime, getRemainingPercentage } from "./utils";
+import { formatFreebucksPrice, formatResetTime, getRemainingPercentage } from "./utils";
 
 const PAGE_SIZE = 10;
 
@@ -168,9 +168,20 @@ export default function QuotaTable({
               {/* Name */}
               <div className="flex w-36 min-w-0 items-center gap-1.5">
                 <span className="text-[10px] shrink-0">{colors.emoji}</span>
-                <span className={`${nameText} font-medium text-text-primary truncate`}>
+                <div className="min-w-0">
-                  {quota.name}
+                  <div className={`${nameText} font-medium text-text-primary truncate`}>
-                </span>
+                    {quota.name}
+                  </div>
+                  {quota.price !== undefined && (
+                    <div
+                      className="text-[9px] leading-tight text-text-muted truncate"
+                      title={quota.priceNote || ""}
+                    >
+                      {formatFreebucksPrice(quota.price)}
+                      {quota.priceNote ? ` · ${quota.priceNote}` : ""}
+                    </div>
+                  )}
+                </div>
               </div>
 
               {/* Progress + used/total */}

src/app/(dashboard)/dashboard/usage/components/ProviderLimits/index.js

@@ -9,6 +9,7 @@ import {
   parseQuotaData,
   calculatePercentage,
   filterQuotasByVisibility,
+  formatFreebucksHeader,
   getHiddenQuotaRows,
   getQuotaVisibilityKey,
   getConnectionLabel,
@@ -1237,6 +1238,11 @@ export default function ProviderLimits() {
               </div>
 
               <div className="px-2 py-1.5">
+                {quota?.raw?.freebucks && !error && !isLoading && (
+                  <div className="mb-1.5 rounded-md bg-black/[0.03] px-2 py-1.5 text-[10px] leading-relaxed text-text-muted dark:bg-white/[0.03]">
+                    {formatFreebucksHeader(quota.raw.freebucks)}
+                  </div>
+                )}
                 {isLoading ? (
                   <div className="text-center py-5 text-text-muted">
                     <span className="material-symbols-outlined text-[28px] animate-spin">

src/app/(dashboard)/dashboard/usage/components/ProviderLimits/utils.js

@@ -258,6 +258,49 @@ export function formatResetTime(date) {
   }
 }
 
+/**
+ * Freebucks account header line — mirrors upstream freebucksHeaderLine:
+ * "10/25 Freebucks daily · resets in 4h 12m · 20 in wallet · $6.50 monthly usage left".
+ * Wallet shown only when non-empty; monthly only when the server sent it
+ * (older servers omit it — showing $0 would read as "nothing left").
+ * @param {{balance: number|null, daily: {limit:number,spent:number,remaining:number,resetAt:string|null}, wallet:{balance:number}, monthly?:{remainingUsd:number,limitUsd:number|null,resetAt:string|null}}} freebucks
+ * @returns {string|null}
+ */
+export function formatFreebucksHeader(freebucks) {
+  if (!freebucks?.daily) return null;
+  const parts = [
+    `${Math.max(0, Math.round(freebucks.daily.remaining))}/${Math.max(0, Math.round(freebucks.daily.limit))} Freebucks daily`,
+  ];
+  const countdown = formatResetTime(freebucks.daily.resetAt);
+  if (countdown !== "-") parts.push(`resets in ${countdown}`);
+  if (Number(freebucks.wallet?.balance) > 0) {
+    parts.push(`${Math.max(0, Math.round(freebucks.wallet.balance))} in wallet`);
+  }
+  if (freebucks.monthly && Number.isFinite(Number(freebucks.monthly.remainingUsd))) {
+    parts.push(`${formatFreebucksUsd(freebucks.monthly.remainingUsd)} monthly usage left`);
+  }
+  return parts.join(" · ");
+}
+
+/**
+ * "$25", "$4.20", "$0" — whole dollars until the figure is small enough that
+ * the cents are the story. Mirrors upstream formatAllowanceUsd.
+ */
+export function formatFreebucksUsd(usd) {
+  const safe = Math.max(0, Number(usd));
+  if (safe >= 10) return `$${Math.round(safe)}`;
+  if (safe >= 1) return `$${safe.toFixed(1).replace(/\.0$/, "")}`;
+  return `$${safe.toFixed(2)}`;
+}
+
+/**
+ * "15 Freebucks/hr" — a bare number would read as dollars; the unit is the
+ * hour, not the message.
+ */
+export function formatFreebucksPrice(price) {
+  return `${Math.max(0, Math.round(Number(price) || 0))} Freebucks/hr`;
+}
+
 /**
  * Get Tailwind color class based on percentage
  * @param {number} percentage - Remaining percentage (0-100)
@@ -545,6 +588,8 @@ export function parseQuotaData(provider, data) {
       case "freebuff":
         // Session quotas keyed by model id — label rows with the friendly
         // displayName (from the registry) and keep modelKey for ordering.
+        // Metered rows carry the live Freebucks price (price) + promo tagline
+        // (priceNote), both server-authoritative.
         if (data.quotas) {
           Object.entries(data.quotas).forEach(([modelKey, quota]) => {
             normalizedQuotas.push({
@@ -554,6 +599,8 @@ export function parseQuotaData(provider, data) {
               total: quota.total || 0,
               resetAt: quota.resetAt || null,
               recurring: quota.recurring !== false,
+              price: quota.price,
+              priceNote: quota.priceNote,
             });
           });
         }

src/sse/services/auth.js

@@ -287,9 +287,15 @@ export async function markAccountUnavailable(connectionId, status, errorText, pr
   } else if (resetsAtMs && resetsAtMs > Date.now()) {
     shouldFallback = true;
     // Antigravity quota API provides exact per-model resetAt. Do not truncate it.
-    cooldownMs = resolveProviderId(provider) === "antigravity"
+    // Freebucks exhaustion is likewise a hard stop until the daily Pacific
+    // reset (up to ~24h) — skip the account for the day rather than re-poke it
+    // every 30 min; guard at 26h so a bad server value can't lock forever.
+    const providerId = resolveProviderId(provider);
+    cooldownMs = providerId === "antigravity"
       ? resetsAtMs - Date.now()
-      : Math.min(resetsAtMs - Date.now(), MAX_RATE_LIMIT_COOLDOWN_MS);
+      : providerId === "freebuff"
+        ? Math.min(resetsAtMs - Date.now(), 26 * 60 * 60 * 1000)
+        : Math.min(resetsAtMs - Date.now(), MAX_RATE_LIMIT_COOLDOWN_MS);
     newBackoffLevel = 0;
   } else {
     ({ shouldFallback, cooldownMs, newBackoffLevel } = checkFallbackError(status, errorText, backoffLevel));

tests/unit/freebuff-provider.test.js

@@ -294,6 +294,50 @@ describe("freebuff session pre-flight", () => {
     );
   });
 
+  it("rate_limited with a resetAt locks the account until the daily Pacific reset (skip the day, not retry loops)", async () => {
+    const resetAt = "2099-01-01T00:00:00.000Z";
+    fetchMock.mockResolvedValue(
+      jsonResponse({
+        status: "rate_limited",
+        resetAt,
+        retryAfterMs: 1234,
+        freebucksShortfall: { price: 15, balance: 0 },
+        message: "Freebucks exhausted",
+      }),
+    );
+    await expect(requestSession("tok-1", "deepseek/deepseek-v4-flash", null)).rejects.toMatchObject({
+      status: 429,
+      resetsAtMs: Date.parse(resetAt),
+    });
+  });
+
+  it("spend_limited falls back to retryAfterMs when resetAt is absent", async () => {
+    const retryAfterMs = 90 * 60 * 1000;
+    fetchMock.mockResolvedValue(
+      jsonResponse({ status: "spend_limited", retryAfterMs, message: "daily spend cap" }),
+    );
+    const before = Date.now();
+    try {
+      await requestSession("tok-1", "deepseek/deepseek-v4-flash", null);
+      throw new Error("should have rejected");
+    } catch (error) {
+      expect(error.status).toBe(429);
+      expect(error.resetsAtMs).toBeGreaterThanOrEqual(before + retryAfterMs - 1000);
+      expect(error.resetsAtMs).toBeLessThanOrEqual(before + retryAfterMs + 1000);
+    }
+  });
+
+  it("rate_limited without any reset hint stays a plain error (transient cooldown path)", async () => {
+    fetchMock.mockResolvedValue(jsonResponse({ status: "rate_limited", message: "busy" }));
+    try {
+      await requestSession("tok-1", "deepseek/deepseek-v4-flash", null);
+      throw new Error("should have rejected");
+    } catch (error) {
+      expect(error.status).toBeUndefined();
+      expect(error.resetsAtMs).toBeUndefined();
+    }
+  });
+
   it("throws a friendly error on country_blocked", async () => {
     fetchMock.mockResolvedValue(jsonResponse({ status: "country_blocked" }));
     await expect(ensureSession("tok-1", "deepseek/deepseek-v4-flash", null)).rejects.toThrow(

tests/unit/freebuff-usage.test.js

@@ -119,6 +119,115 @@ describe("getUsageForProvider(freebuff)", () => {
     });
   });
 
+  it("reports the Freebucks daily pool under each priced model for metered accounts (no rateLimitsByModel)", async () => {
+    proxyAwareFetch.mockResolvedValueOnce(
+      jsonResponse({
+        status: "none",
+        accessTier: "limited",
+        rateLimitsByModel: {},
+        freebucks: {
+          balance: 10,
+          daily: { limit: 25, spent: 15, remaining: 10, resetAt: "2026-09-08T07:00:00.000Z" },
+          wallet: { balance: 0, monthlyBonus: 0 },
+          spend: { limitUsd: 4, resetAt: "2026-09-08T07:00:00.000Z" },
+          monthly: { limitUsd: 10, spentUsd: 3.5, remainingUsd: 6.5, resetAt: "2026-10-01T07:00:00.000Z" },
+          planId: null,
+          prices: { "deepseek/deepseek-v4-flash": 15, "z-ai/glm-5.3-flash": 5 },
+        },
+      }),
+    );
+
+    const usage = await getUsageForProvider({
+      provider: "freebuff",
+      accessToken: "tok-1",
+    });
+
+    expect(usage.message).toBeUndefined();
+    expect(usage.quotas["deepseek/deepseek-v4-flash"]).toMatchObject({
+      used: 15,
+      total: 25,
+      resetAt: "2026-09-08T07:00:00.000Z",
+      recurring: true,
+      unlimited: false,
+      price: 15,
+      displayName: "DeepSeek V4 Flash",
+    });
+    expect(usage.quotas["z-ai/glm-5.3-flash"]).toMatchObject({
+      used: 15,
+      total: 25,
+      price: 5,
+      displayName: "GLM 5.3 Flash",
+    });
+    // No session pools → only the freebucks-derived rows exist.
+    expect(Object.keys(usage.quotas)).toEqual([
+      "deepseek/deepseek-v4-flash",
+      "z-ai/glm-5.3-flash",
+    ]);
+    // Account summary rides the response for the card header (server data,
+    // nothing hardcoded client-side).
+    expect(usage.freebucks).toEqual({
+      balance: 10,
+      daily: {
+        limit: 25,
+        spent: 15,
+        remaining: 10,
+        resetAt: "2026-09-08T07:00:00.000Z",
+      },
+      wallet: { balance: 0 },
+      monthly: { remainingUsd: 6.5, limitUsd: 10, resetAt: "2026-10-01T07:00:00.000Z" },
+    });
+  });
+
+  it("folds the server's announced priceChanges into the live price (promos expire without a client release)", async () => {
+    proxyAwareFetch.mockResolvedValueOnce(
+      jsonResponse({
+        status: "none",
+        accessTier: "full",
+        rateLimitsByModel: {},
+        freebucks: {
+          balance: 20,
+          daily: { limit: 25, spent: 5, remaining: 20, resetAt: "2026-09-08T07:00:00.000Z" },
+          wallet: { balance: 0, monthlyBonus: 0 },
+          planId: null,
+          prices: { "upstage/solar-pro4": 0 },
+          priceNotices: { "upstage/solar-pro4": "0 Freebucks · Labor Day weekend (through Sep 7 PT)" },
+          priceChanges: [
+            {
+              at: "2026-01-01T00:00:00.000Z", // already due
+              modelId: "upstage/solar-pro4",
+              price: 5,
+              tagline: "Limited-time trial",
+            },
+          ],
+        },
+      }),
+    );
+
+    const usage = await getUsageForProvider({
+      provider: "freebuff",
+      accessToken: "tok-1",
+    });
+
+    // The due change is folded in: price 5 + new tagline, schedule emptied.
+    expect(usage.quotas["upstage/solar-pro4"]).toMatchObject({
+      price: 5,
+      priceNote: "Limited-time trial",
+      displayName: "Solar Pro 4",
+    });
+  });
+
+  it("attaches no price to legacy session-quota rows", async () => {
+    proxyAwareFetch.mockResolvedValueOnce(jsonResponse(PRE_JOIN));
+
+    const usage = await getUsageForProvider({
+      provider: "freebuff",
+      accessToken: "tok-1",
+    });
+
+    expect(usage.quotas["deepseek/deepseek-v4-flash"].price).toBeUndefined();
+    expect(usage.freebucks).toBeUndefined();
+  });
+
   it("surfaces a re-login message on 401", async () => {
     proxyAwareFetch.mockResolvedValueOnce(jsonResponse({ error: "unauthorized" }, 401));