diff --git a/convex/ai-utils.ts b/convex/ai-utils.ts
new file mode 100644
index 0000000..df8321a
--- /dev/null
+++ b/convex/ai-utils.ts
@@ -0,0 +1,9 @@
+type NodeCanvasRef = {
+  canvasId: string;
+};
+
+export function assertNodeBelongsToCanvasOrThrow(node: NodeCanvasRef, canvasId: string): void {
+  if (node.canvasId !== canvasId) {
+    throw new Error("Node does not belong to canvas");
+  }
+}
diff --git a/convex/ai.ts b/convex/ai.ts
index 8e8b245..ab93c95 100644
--- a/convex/ai.ts
+++ b/convex/ai.ts
@@ -12,6 +12,7 @@ import {
   IMAGE_MODELS,
 } from "./openrouter";
 import type { Id } from "./_generated/dataModel";
+import { assertNodeBelongsToCanvasOrThrow } from "./ai-utils";
 
 const MAX_IMAGE_RETRIES = 2;
 
@@ -526,9 +527,7 @@ export const generateImage = action({
     if (!node) {
       throw new Error("Node not found");
     }
-    if (node.canvasId !== args.canvasId) {
-      throw new Error("Node does not belong to canvas");
-    }
+    assertNodeBelongsToCanvasOrThrow(node, args.canvasId);
 
     const userId = canvas.ownerId;
     const verifiedCanvasId = canvas._id;
diff --git a/convex/batch-validation-utils.ts b/convex/batch-validation-utils.ts
new file mode 100644
index 0000000..a5c0d8d
--- /dev/null
+++ b/convex/batch-validation-utils.ts
@@ -0,0 +1,49 @@
+import type { Id } from "./_generated/dataModel";
+
+type BatchNodeRecord = {
+  _id: Id<"nodes">;
+  canvasId: Id<"canvases">;
+};
+
+type BatchCanvasRecord = {
+  _id: Id<"canvases">;
+  ownerId: string;
+};
+
+type ValidateBatchArgs<N extends BatchNodeRecord> = {
+  userId: string;
+  nodeIds: Id<"nodes">[];
+  getNodeById: (nodeId: Id<"nodes">) => Promise<N | null>;
+  getCanvasById: (canvasId: Id<"canvases">) => Promise<BatchCanvasRecord | null>;
+};
+
+export async function validateBatchNodesForUserOrThrow<N extends BatchNodeRecord>(
+  args: ValidateBatchArgs<N>,
+): Promise<{ canvasId: Id<"canvases">; nodes: N[] }> {
+  if (args.nodeIds.length === 0) {
+    throw new Error("Batch must contain at least one node id");
+  }
+
+  const nodes: N[] = [];
+  for (const nodeId of args.nodeIds) {
+    const node = await args.getNodeById(nodeId);
+    if (!node) {
+      throw new Error("Node not found");
+    }
+    nodes.push(node);
+  }
+
+  const canvasId = nodes[0].canvasId;
+  for (const node of nodes) {
+    if (node.canvasId !== canvasId) {
+      throw new Error("All nodes must belong to the same canvas");
+    }
+  }
+
+  const canvas = await args.getCanvasById(canvasId);
+  if (!canvas || canvas.ownerId !== args.userId) {
+    throw new Error("Canvas not found");
+  }
+
+  return { canvasId, nodes };
+}
diff --git a/convex/nodes.ts b/convex/nodes.ts
index 30e2639..3ec0817 100644
--- a/convex/nodes.ts
+++ b/convex/nodes.ts
@@ -3,6 +3,7 @@ import { v } from "convex/values";
 import { requireAuth } from "./helpers";
 import type { Doc, Id } from "./_generated/dataModel";
 import { isAdjustmentNodeType } from "../lib/canvas-node-types";
+import { validateBatchNodesForUserOrThrow } from "./batch-validation-utils";
 import {
   getCanvasConnectionValidationMessage,
   validateCanvasConnectionPolicy,
@@ -45,29 +46,12 @@ async function getValidatedBatchNodesOrThrow(
   userId: string,
   nodeIds: Id<"nodes">[],
 ): Promise<{ canvasId: Id<"canvases">; nodes: Doc<"nodes">[] }> {
-  if (nodeIds.length === 0) {
-    throw new Error("Batch must contain at least one node id");
-  }
-
-  const nodes: Doc<"nodes">[] = [];
-  for (const nodeId of nodeIds) {
-    const node = await ctx.db.get(nodeId);
-    if (!node) {
-      throw new Error("Node not found");
-    }
-    nodes.push(node);
-  }
-
-  const canvasId = nodes[0].canvasId;
-  for (const node of nodes) {
-    if (node.canvasId !== canvasId) {
-      throw new Error("All nodes must belong to the same canvas");
-    }
-  }
-
-  await getCanvasOrThrow(ctx, canvasId, userId);
-
-  return { canvasId, nodes };
+  return await validateBatchNodesForUserOrThrow({
+    userId,
+    nodeIds,
+    getNodeById: (nodeId) => ctx.db.get(nodeId),
+    getCanvasById: (canvasId) => ctx.db.get(canvasId),
+  });
 }
 
 type NodeCreateMutationName =
diff --git a/convex/polar-utils.ts b/convex/polar-utils.ts
new file mode 100644
index 0000000..22660f8
--- /dev/null
+++ b/convex/polar-utils.ts
@@ -0,0 +1,71 @@
+type IdempotencyScope =
+  | "topup_paid"
+  | "subscription_activated_cycle"
+  | "subscription_revoked";
+
+type RegisterWebhookEventArgs = {
+  provider: "polar";
+  scope: IdempotencyScope;
+  idempotencyKey: string;
+  userId: string;
+  polarOrderId?: string;
+  polarSubscriptionId?: string;
+};
+
+type ExistingEventLookup = {
+  provider: "polar";
+  idempotencyKey: string;
+};
+
+type ExistingEventRecord = {
+  _id: string;
+};
+
+export type WebhookEventRepo = {
+  findByProviderAndKey: (
+    lookup: ExistingEventLookup,
+  ) => Promise<ExistingEventRecord | null>;
+  insert: (args: RegisterWebhookEventArgs & { createdAt: number }) => Promise<void>;
+};
+
+export function buildSubscriptionCycleIdempotencyKey(args: {
+  polarSubscriptionId: string;
+  currentPeriodStart: number;
+  currentPeriodEnd: number;
+}): string {
+  return `polar:subscription_cycle:${args.polarSubscriptionId}:${args.currentPeriodStart}:${args.currentPeriodEnd}`;
+}
+
+export function buildSubscriptionRevokedIdempotencyKey(args: {
+  userId: string;
+  polarSubscriptionId?: string;
+}): string {
+  return args.polarSubscriptionId
+    ? `polar:subscription_revoked:${args.polarSubscriptionId}`
+    : `polar:subscription_revoked:user:${args.userId}`;
+}
+
+export function buildTopUpPaidIdempotencyKey(polarOrderId: string): string {
+  return `polar:order_paid:${polarOrderId}`;
+}
+
+export async function registerWebhookEventOnce(
+  repo: WebhookEventRepo,
+  args: RegisterWebhookEventArgs,
+  now: () => number = Date.now,
+): Promise<boolean> {
+  const existing = await repo.findByProviderAndKey({
+    provider: args.provider,
+    idempotencyKey: args.idempotencyKey,
+  });
+
+  if (existing) {
+    return false;
+  }
+
+  await repo.insert({
+    ...args,
+    createdAt: now(),
+  });
+  return true;
+}
diff --git a/convex/polar.ts b/convex/polar.ts
index 7415848..284e538 100644
--- a/convex/polar.ts
+++ b/convex/polar.ts
@@ -1,6 +1,12 @@
 import { v } from "convex/values";
 
 import { internalMutation, type MutationCtx } from "./_generated/server";
+import {
+  buildSubscriptionCycleIdempotencyKey,
+  buildSubscriptionRevokedIdempotencyKey,
+  buildTopUpPaidIdempotencyKey,
+  registerWebhookEventOnce,
+} from "./polar-utils";
 
 type DbCtx = Pick<MutationCtx, "db">;
 
@@ -65,7 +71,11 @@ export async function applySubscriptionActivated(ctx: DbCtx, args: ActivatedArgs
     });
   }
 
-  const cycleKey = `polar:subscription_cycle:${args.polarSubscriptionId}:${args.currentPeriodStart}:${args.currentPeriodEnd}`;
+  const cycleKey = buildSubscriptionCycleIdempotencyKey({
+    polarSubscriptionId: args.polarSubscriptionId,
+    currentPeriodStart: args.currentPeriodStart,
+    currentPeriodEnd: args.currentPeriodEnd,
+  });
   const isFirstCycleEvent = await registerWebhookEvent(ctx, {
     provider: "polar",
     scope: "subscription_activated_cycle",
@@ -145,9 +155,10 @@ export async function applySubscriptionRevoked(ctx: DbCtx, args: RevokedArgs) {
     });
   }
 
-  const revokedKey = args.polarSubscriptionId
-    ? `polar:subscription_revoked:${args.polarSubscriptionId}`
-    : `polar:subscription_revoked:user:${args.userId}`;
+  const revokedKey = buildSubscriptionRevokedIdempotencyKey({
+    userId: args.userId,
+    polarSubscriptionId: args.polarSubscriptionId,
+  });
   const isFirstRevokedEvent = await registerWebhookEvent(ctx, {
     provider: "polar",
     scope: "subscription_revoked",
@@ -175,7 +186,7 @@ export async function applyTopUpPaid(ctx: DbCtx, args: TopUpArgs) {
   const isFirstTopUpEvent = await registerWebhookEvent(ctx, {
     provider: "polar",
     scope: "topup_paid",
-    idempotencyKey: `polar:order_paid:${args.polarOrderId}`,
+    idempotencyKey: buildTopUpPaidIdempotencyKey(args.polarOrderId),
     userId: args.userId,
     polarOrderId: args.polarOrderId,
   });
@@ -218,28 +229,42 @@ async function registerWebhookEvent(
     polarSubscriptionId?: string;
   }
 ) {
-  const existing = await ctx.db
-    .query("webhookIdempotencyEvents")
-    .withIndex("by_provider_key", (q) =>
-      q.eq("provider", args.provider).eq("idempotencyKey", args.idempotencyKey)
-    )
-    .first();
-
-  if (existing) {
-    return false;
-  }
-
-  await ctx.db.insert("webhookIdempotencyEvents", {
-    provider: args.provider,
-    scope: args.scope,
-    idempotencyKey: args.idempotencyKey,
-    userId: args.userId,
-    polarOrderId: args.polarOrderId,
-    polarSubscriptionId: args.polarSubscriptionId,
-    createdAt: Date.now(),
-  });
-
-  return true;
+  return await registerWebhookEventOnce(
+    {
+      findByProviderAndKey: async ({ provider, idempotencyKey }) => {
+        const existing = await ctx.db
+          .query("webhookIdempotencyEvents")
+          .withIndex("by_provider_key", (q) =>
+            q.eq("provider", provider).eq("idempotencyKey", idempotencyKey)
+          )
+          .first();
+        if (!existing) {
+          return null;
+        }
+        return { _id: existing._id };
+      },
+      insert: async ({
+        provider,
+        scope,
+        idempotencyKey,
+        userId,
+        polarOrderId,
+        polarSubscriptionId,
+        createdAt,
+      }) => {
+        await ctx.db.insert("webhookIdempotencyEvents", {
+          provider,
+          scope,
+          idempotencyKey,
+          userId,
+          polarOrderId,
+          polarSubscriptionId,
+          createdAt,
+        });
+      },
+    },
+    args,
+  );
 }
 
 export const handleSubscriptionActivated = internalMutation({
diff --git a/package.json b/package.json
index acb188d..9601f0a 100644
--- a/package.json
+++ b/package.json
@@ -7,7 +7,9 @@
     "dev:strict": "next dev",
     "build": "next build",
     "start": "next start",
-    "lint": "eslint"
+    "lint": "eslint",
+    "test": "vitest run",
+    "test:watch": "vitest"
   },
   "dependencies": {
     "@convex-dev/better-auth": "^0.11.3",
@@ -56,6 +58,7 @@
     "eslint": "^9",
     "eslint-config-next": "16.2.1",
     "tailwindcss": "^4",
-    "typescript": "^5"
+    "typescript": "^5",
+    "vitest": "^3.2.4"
   }
 }
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 79ee7e7..a32b6e4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -10,10 +10,10 @@ importers:
     dependencies:
       '@convex-dev/better-auth':
         specifier: ^0.11.3
-        version: 0.11.3(@standard-schema/spec@1.1.0)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(convex@1.34.0(react@19.2.4))(hono@4.12.9)(react@19.2.4)(typescript@5.9.3)
+        version: 0.11.3(@standard-schema/spec@1.1.0)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)))(convex@1.34.0(react@19.2.4))(hono@4.12.9)(react@19.2.4)(typescript@5.9.3)
       '@daveyplate/better-auth-ui':
         specifier: ^3.4.0
-        version: 3.4.0(aed41ba285ba33af5b1a54a1a4efb176)
+        version: 3.4.0(43fe9e8f7c24dd7a61ee43b650bb480d)
       '@dnd-kit/core':
         specifier: ^6.3.1
         version: 6.3.1(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
@@ -25,7 +25,7 @@ importers:
         version: 0.1.97
       '@polar-sh/better-auth':
         specifier: ^1.8.3
-        version: 1.8.3(@polar-sh/sdk@0.46.7)(@stripe/react-stripe-js@4.0.2(@stripe/stripe-js@7.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(@stripe/stripe-js@7.9.0)(@types/react-dom@19.2.3(@types/react@19.2.14))(@types/react@19.2.14)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react-is@16.13.1)(react@19.2.4)(redux@5.0.1)(zod@4.3.6)
+        version: 1.8.3(@polar-sh/sdk@0.46.7)(@stripe/react-stripe-js@4.0.2(@stripe/stripe-js@7.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(@stripe/stripe-js@7.9.0)(@types/react-dom@19.2.3(@types/react@19.2.14))(@types/react@19.2.14)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)))(react-dom@19.2.4(react@19.2.4))(react-is@16.13.1)(react@19.2.4)(redux@5.0.1)(zod@4.3.6)
       '@polar-sh/sdk':
         specifier: ^0.46.7
         version: 0.46.7
@@ -40,7 +40,7 @@ importers:
         version: 12.10.1(@types/react@19.2.14)(immer@11.1.4)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
       better-auth:
         specifier: ^1.5.6
-        version: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+        version: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1))
       class-variance-authority:
         specifier: ^0.7.1
         version: 0.7.1
@@ -144,6 +144,9 @@ importers:
       typescript:
         specifier: ^5
         version: 5.9.3
+      vitest:
+        specifier: ^3.2.4
+        version: 3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)
 
 packages:
 
@@ -3112,6 +3115,9 @@ packages:
   '@tybys/wasm-util@0.10.1':
     resolution: {integrity: sha512-9tTaPJLSiejZKx+Bmog4uSubteqTvFrVrURwkmHixBo0G4seD0zUxp98E1DzUBJxLQ3NPwXrGKDiVjwx/DpPsg==}
 
+  '@types/chai@5.2.3':
+    resolution: {integrity: sha512-Mw558oeA9fFbv65/y4mHtXDs9bPnFMZAL/jxdPFUpOHHIXX91mcgEHbS5Lahr+pwZFR8A7GQleRWeI6cGFC2UA==}
+
   '@types/connect@3.4.38':
     resolution: {integrity: sha512-K6uROf1LD88uDQqJCktA4yzL1YYAK6NgfsI0v/mTgyPKWsX1CnJ0XPSDhViejru1GcRkLWb8RlzFYJRqGUbaug==}
 
@@ -3154,6 +3160,9 @@ packages:
   '@types/d3-zoom@3.0.8':
     resolution: {integrity: sha512-iqMC4/YlFCSlO8+2Ii1GGGliCAY4XdeG748w5vQUbevlbDu0zSjH/+jojorQVBK/se0j6DUFNPBGSqD3YWYnDw==}
 
+  '@types/deep-eql@4.0.2':
+    resolution: {integrity: sha512-c9h9dVVMigMPc4bwTvC5dxqtqJZwQPePsWjPlpSOnojbor6pGqdk541lfA7AqFQr5pB1BRdq0juY9db81BwyFw==}
+
   '@types/eslint-scope@3.7.7':
     resolution: {integrity: sha512-MzMFlSLBqNF2gcHWO0G1vP/YQyfvrxZ0bF+u7mzUdZ1/xK4A4sru+nraZz5i3iEIk1l1uyicaDVTB4QbbEkAYg==}
 
@@ -3374,6 +3383,35 @@ packages:
     cpu: [x64]
     os: [win32]
 
+  '@vitest/expect@3.2.4':
+    resolution: {integrity: sha512-Io0yyORnB6sikFlt8QW5K7slY4OjqNX9jmJQ02QDda8lyM6B5oNgVWoSoKPac8/kgnCUzuHQKrSLtu/uOqqrig==}
+
+  '@vitest/mocker@3.2.4':
+    resolution: {integrity: sha512-46ryTE9RZO/rfDd7pEqFl7etuyzekzEhUbTW3BvmeO/BcCMEgq59BKhek3dXDWgAj4oMK6OZi+vRr1wPW6qjEQ==}
+    peerDependencies:
+      msw: ^2.4.9
+      vite: ^5.0.0 || ^6.0.0 || ^7.0.0-0
+    peerDependenciesMeta:
+      msw:
+        optional: true
+      vite:
+        optional: true
+
+  '@vitest/pretty-format@3.2.4':
+    resolution: {integrity: sha512-IVNZik8IVRJRTr9fxlitMKeJeXFFFN0JaB9PHPGQ8NKQbGpfjlTx9zO4RefN8gp7eqjNy8nyK3NZmBzOPeIxtA==}
+
+  '@vitest/runner@3.2.4':
+    resolution: {integrity: sha512-oukfKT9Mk41LreEW09vt45f8wx7DordoWUZMYdY/cyAk7w5TWkTRCNZYF7sX7n2wB7jyGAl74OxgwhPgKaqDMQ==}
+
+  '@vitest/snapshot@3.2.4':
+    resolution: {integrity: sha512-dEYtS7qQP2CjU27QBC5oUOxLE/v5eLkGqPE0ZKEIDGMs4vKWe7IjgLOeauHsR0D5YuuycGRO5oSRXnwnmA78fQ==}
+
+  '@vitest/spy@3.2.4':
+    resolution: {integrity: sha512-vAfasCOe6AIK70iP5UD11Ac4siNUNJ9i/9PZ3NKx07sG6sUxeag1LWdNrMWeKKYBLlzuK+Gn65Yd5nyL6ds+nw==}
+
+  '@vitest/utils@3.2.4':
+    resolution: {integrity: sha512-fB2V0JFrQSMsCo9HiSq3Ezpdv4iYaXRG1Sx8edX3MwxfyNn83mKiGzOcH+Fkxt4MHxr3y42fQi1oeAInqgX2QA==}
+
   '@webassemblyjs/ast@1.14.1':
     resolution: {integrity: sha512-nuBEDgQfm1ccRp/8bCQrx1frohyufl4JlbMMZ4P1wpeOfDhF6FQkxZJ1b/e+PLwr6X1Nhw6OLme5usuBWYBvuQ==}
 
@@ -3570,6 +3608,10 @@ packages:
     resolution: {integrity: sha512-uLvq6KJu04qoQM6gvBfKFjlh6Gl0vOKQuR5cJMDHQkmwfMOQeN3F3SHCv9SNYSL+CRoHvOGFfllDlVz03GQjvQ==}
     engines: {node: '>=12.0.0'}
 
+  assertion-error@2.0.1:
+    resolution: {integrity: sha512-Izi8RQcffqCeNVgFigKli1ssklIbpHnCYc6AknXGYoB6grJqyeby7jv12JUQgmTAnIDnbck1uxksT4dzN3PWBA==}
+    engines: {node: '>=12'}
+
   ast-types-flow@0.0.8:
     resolution: {integrity: sha512-OH/2E5Fg20h2aPrbe+QL8JZQFko0YZaF+j4mnQ7BGhfavO7OpSLa8a0y9sBwomHdSbkhTS8TQNayBfnW5DwbvQ==}
 
@@ -3730,6 +3772,10 @@ packages:
     resolution: {integrity: sha512-/Nf7TyzTx6S3yRJObOAV7956r8cr2+Oj8AC5dt8wSP3BQAoeX58NoHyCU8P8zGkNXStjTSi6fzO6F0pBdcYbEg==}
     engines: {node: '>= 0.8'}
 
+  cac@6.7.14:
+    resolution: {integrity: sha512-b6Ilus+c3RrdDk+JhLKUAQfzzgLEPy6wcXqS7f/xe1EETvsDP6GORG7SFuOs6cID5YkqchW/LXZbX5bc8j7ZcQ==}
+    engines: {node: '>=8'}
+
   call-bind-apply-helpers@1.0.2:
     resolution: {integrity: sha512-Sp1ablJ0ivDkSzjcaJdxEunN5/XvksFJ2sMBFfq6x0ryhQV/2b/KwFe21cMpmHtPOSij8K99/wSfoEuTObmuMQ==}
     engines: {node: '>= 0.4'}
@@ -3749,6 +3795,10 @@ packages:
   caniuse-lite@1.0.30001781:
     resolution: {integrity: sha512-RdwNCyMsNBftLjW6w01z8bKEvT6e/5tpPVEgtn22TiLGlstHOVecsX2KHFkD5e/vRnIE4EGzpuIODb3mtswtkw==}
 
+  chai@5.3.3:
+    resolution: {integrity: sha512-4zNhdJD/iOjSH0A05ea+Ke6MU5mmpQcbQsSOkgdaUMJ9zTlDTD/GYlwohmIE2u0gaxHYiVHEn1Fw9mZ/ktJWgw==}
+    engines: {node: '>=18'}
+
   chalk@4.1.2:
     resolution: {integrity: sha512-oKnbhFyRIXpUuez8iBMmyEa4nbj4IOQyuhc/wy9kY7/WVPcwIO9VA668Pu8RkO7+0G76SLROeyw9CpQ061i4mA==}
     engines: {node: '>=10'}
@@ -3757,6 +3807,10 @@ packages:
     resolution: {integrity: sha512-7NzBL0rN6fMUW+f7A6Io4h40qQlG+xGmtMxfbnH/K7TAtt8JQWVQK+6g0UXKMeVJoyV5EkkNsErQ8pVD3bLHbA==}
     engines: {node: ^12.17.0 || ^14.13 || >=16.0.0}
 
+  check-error@2.1.3:
+    resolution: {integrity: sha512-PAJdDJusoxnwm1VwW07VWwUN1sl7smmC3OKggvndJFadxxDRyFJBX/ggnu/KE4kQAB7a3Dp8f/YXC1FlUprWmA==}
+    engines: {node: '>= 16'}
+
   chrome-trace-event@1.0.4:
     resolution: {integrity: sha512-rNjApaLzuwaOTjCiT8lSDdGN1APCiqkChLMJxJPWLunPAt5fy8xgU9/jNOchV84wfIxrA0lRQB7oCT8jrn/wrQ==}
     engines: {node: '>=6.0'}
@@ -4055,6 +4109,10 @@ packages:
       babel-plugin-macros:
         optional: true
 
+  deep-eql@5.0.2:
+    resolution: {integrity: sha512-h5k/5U50IJJFpzfL6nO9jaaumfjO/f2NjK/oYB2Djzm4p9L+3T9qWpZqZ2hAbLPuuYq9wrU08WQyBTL5GbPk5Q==}
+    engines: {node: '>=6'}
+
   deep-is@0.1.4:
     resolution: {integrity: sha512-oIPzksmTg4/MriiaYGO+okXDT7ztn/w3Eptv/+gSIdMdKsJo0u4CfYNFJPy+4SKMuCqGw2wxnA+URMg3t8a/bQ==}
 
@@ -4193,6 +4251,9 @@ packages:
     resolution: {integrity: sha512-zWwRvqWiuBPr0muUG/78cW3aHROFCNIQ3zpmYDpwdbnt2m+xlNyRWpHBpa2lJjSBit7BQ+RXA1iwbSmu5yJ/EQ==}
     engines: {node: '>= 0.4'}
 
+  es-module-lexer@1.7.0:
+    resolution: {integrity: sha512-jEQoCwk8hyb2AZziIOLhDqpm5+2ww5uIE6lkO/6jcOCusfk6LhMHpXXfBLXTZ7Ydyt0j4VoUQv6uGNYbdW+kBA==}
+
   es-module-lexer@2.0.0:
     resolution: {integrity: sha512-5POEcUuZybH7IdmGsD8wlf0AI55wMecM9rVBTI/qEAy2c1kTOm3DjFYjrBdI2K3BaJjJYfYFeRtM0t9ssnRuxw==}
 
@@ -4363,6 +4424,9 @@ packages:
   estree-walker@2.0.2:
     resolution: {integrity: sha512-Rfkk/Mp/DL7JVje3u18FxFujQlTNR2q6QfMSMB7AvCBx91NGj/ba3kCfza0f6dVDbw7YlRf/nDrn7pQrCCyQ/w==}
 
+  estree-walker@3.0.3:
+    resolution: {integrity: sha512-7RUKfXgSMMkzt6ZuXmqapOurLGPPfgj6l9uRZ7lRGolvk0y2yocc35LdcxKC5PQZdn2DMqioAQ2NoWcrTKmm6g==}
+
   esutils@2.0.3:
     resolution: {integrity: sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==}
     engines: {node: '>=0.10.0'}
@@ -4408,6 +4472,10 @@ packages:
   exif-parser@0.1.12:
     resolution: {integrity: sha512-c2bQfLNbMzLPmzQuOr8fy0csy84WmwnER81W88DzTp9CYNPJ6yzOj2EZAh9pywYpqHnshVLHQJ8WzldAyfY+Iw==}
 
+  expect-type@1.3.0:
+    resolution: {integrity: sha512-knvyeauYhqjOYvQ66MznSMs83wmHrCycNEN6Ao+2AeYEfxUIkuiVxdEa1qlGEPK+We3n0THiDciYSsCcgW/DoA==}
+    engines: {node: '>=12.0.0'}
+
   express-rate-limit@8.3.1:
     resolution: {integrity: sha512-D1dKN+cmyPWuvB+G2SREQDzPY1agpBIcTa9sJxOPMCNeH3gwzhqJRDWCXW3gg0y//+LQ/8j52JbMROWyrKdMdw==}
     engines: {node: '>= 16'}
@@ -5000,6 +5068,9 @@ packages:
   js-tokens@4.0.0:
     resolution: {integrity: sha512-RdJUflcE3cUzKiMqQgsCu06FPu9UdIJO0beYbPhHN4k6apgJtifcoCtT9bcxOpYBtpD2kCM6Sbzg4CausW/PKQ==}
 
+  js-tokens@9.0.1:
+    resolution: {integrity: sha512-mxa9E9ITFOt0ban3j6L5MpjwegGz6lBQmM1IJkWeBZGcMxto50+eWdjC/52xDbS2vy0k7vIMK0Fe2wfL9OQSpQ==}
+
   js-yaml@4.1.1:
     resolution: {integrity: sha512-qQKT4zQxXl8lLwBtHMWwaTcGfFOZviOJet3Oy/xmGk2gZH677CJM9EvtfdSkgWcATZhj/55JZ0rmy3myCT5lsA==}
     hasBin: true
@@ -5180,6 +5251,9 @@ packages:
     resolution: {integrity: sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==}
     hasBin: true
 
+  loupe@3.2.1:
+    resolution: {integrity: sha512-CdzqowRJCeLU72bHvWqwRBBlLcMEtIvGrlvef74kMnV2AolS9Y8xUv1I0U/MNAWMhBlKIoyuEgoJ0t/bbwHbLQ==}
+
   lru-cache@11.2.7:
     resolution: {integrity: sha512-aY/R+aEsRelme17KGQa/1ZSIpLpNYYrhcrepKTZgE+W3WM16YMCaPwOHLHsmopZHELU0Ojin1lPVxKR0MihncA==}
     engines: {node: 20 || >=22}
@@ -5564,6 +5638,13 @@ packages:
   path-to-regexp@8.3.0:
     resolution: {integrity: sha512-7jdwVIRtsP8MYpdXSwOS0YdD0Du+qOoF/AEPIt88PcCFrZCzx41oxku1jD88hZBwbNUIEfpqvuhjFaMAqMTWnA==}
 
+  pathe@2.0.3:
+    resolution: {integrity: sha512-WUjGcAqP1gQacoQe+OBJsFA7Ld4DyXuUIjZ5cc75cLHvJ7dtNsTugphxIADwspS+AraAUePCKrSVtPLFj/F88w==}
+
+  pathval@2.0.1:
+    resolution: {integrity: sha512-//nshmD55c46FuFw26xV/xFAaB5HF9Xdap7HJBBnrKdAd6/GxDBaNA1870O79+9ueg61cZLSVc+OaFlfmObYVQ==}
+    engines: {node: '>= 14.16'}
+
   peberminta@0.9.0:
     resolution: {integrity: sha512-XIxfHpEuSJbITd1H3EeQwpcZbTLHc+VVr8ANI9t5sit565tsI4/xK3KWTUFE2e6QiangUkh3B0jihzmGnNrRsQ==}
 
@@ -6057,6 +6138,9 @@ packages:
     resolution: {integrity: sha512-ZX99e6tRweoUXqR+VBrslhda51Nh5MTQwou5tnUDgbtyM0dBgmhEDtWGP/xbKn6hqfPRHujUNwz5fy/wbbhnpw==}
     engines: {node: '>= 0.4'}
 
+  siginfo@2.0.0:
+    resolution: {integrity: sha512-ybx0WO1/8bSBLEWXZvEd7gMW3Sn3JFlW3TvX1nREbDLRNQNaeNN8WK0meBwPdAaOI7TtRRRJn/Es1zhrrCHu7g==}
+
   signal-exit@3.0.7:
     resolution: {integrity: sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==}
 
@@ -6094,6 +6178,9 @@ packages:
   stable-hash@0.0.5:
     resolution: {integrity: sha512-+L3ccpzibovGXFK+Ap/f8LOS0ahMrHTf3xu7mMLSpEGU0EO9ucaysSylKo9eRDFNhWve/y275iPmIZ4z39a9iA==}
 
+  stackback@0.0.2:
+    resolution: {integrity: sha512-1XMJE5fQo1jGH6Y/7ebnwPOBEkIEnT4QF32d5R1+VXdXveM0IBMJt8zfaxX1P3QhVwrYe+576+jkANtSS2mBbw==}
+
   stacktrace-parser@0.1.11:
     resolution: {integrity: sha512-WjlahMgHmCJpqzU8bIBy4qtsZdU9lRlcZE3Lvyej6t4tuOuv1vk57OW3MBrj6hXBFx/nNoC9MPMTcr5YA7NQbg==}
     engines: {node: '>=6'}
@@ -6108,6 +6195,9 @@ packages:
     resolution: {integrity: sha512-DvEy55V3DB7uknRo+4iOGT5fP1slR8wQohVdknigZPMpMstaKJQWhwiYBACJE3Ul2pTnATihhBYnRhZQHGBiRw==}
     engines: {node: '>= 0.8'}
 
+  std-env@3.10.0:
+    resolution: {integrity: sha512-5GS12FdOZNliM5mAOxFRg7Ir0pWz8MdpYm6AY6VPkGpbA7ZzmbzNcBJQ0GPvvyWgcY7QAhCgf9Uy89I03faLkg==}
+
   stdin-discarder@0.2.2:
     resolution: {integrity: sha512-UhDfHmA92YAlNnCfhmq0VeNL5bDbiZGg7sZ2IvPsXubGkiNa9EC+tUTsjBRsYUAz87btI6/1wf4XoVvQ3uRnmQ==}
     engines: {node: '>=18'}
@@ -6184,6 +6274,9 @@ packages:
     resolution: {integrity: sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==}
     engines: {node: '>=8'}
 
+  strip-literal@3.1.0:
+    resolution: {integrity: sha512-8r3mkIM/2+PpjHoOtiAW8Rg3jJLHaV7xPwG+YRGrv6FP0wwk/toTpATxWYOW0BKdWwl82VT2tFYi5DlROa0Mxg==}
+
   strtok3@6.3.0:
     resolution: {integrity: sha512-fZtbhtvI9I48xDSywd/somNqgUHl2L2cstmXCCif0itOf96jeW18MBSyrLuNicYQVkvpOxkZtkzujiTJ9LW5Jw==}
     engines: {node: '>=10'}
@@ -6258,13 +6351,31 @@ packages:
   tiny-invariant@1.3.3:
     resolution: {integrity: sha512-+FbBPE1o9QAYvviau/qC5SE3caw21q3xkvWKBtja5vgqOWIHHJ3ioaq1VPfn/Szqctz2bU/oYeKd9/z5BL+PVg==}
 
+  tinybench@2.9.0:
+    resolution: {integrity: sha512-0+DUvqWMValLmha6lr4kD8iAMK1HzV0/aKnCtWb9v9641TnP/MFb7Pc2bxoxQjTXAErryXVgUOfv2YqNllqGeg==}
+
   tinycolor2@1.6.0:
     resolution: {integrity: sha512-XPaBkWQJdsf3pLKJV9p4qN/S+fm2Oj8AIPo1BTUhg5oxkvm9+SVEGFdhyOz7tTdUTfvxMiAs4sp6/eZO2Ew+pw==}
 
+  tinyexec@0.3.2:
+    resolution: {integrity: sha512-KQQR9yN7R5+OSwaK0XQoj22pwHoTlgYqmUscPYoknOoWCWfj/5/ABTMRi69FrKU5ffPVh5QcFikpWJI/P1ocHA==}
+
   tinyglobby@0.2.15:
     resolution: {integrity: sha512-j2Zq4NyQYG5XMST4cbs02Ak8iJUdxRM0XI5QyxXuZOzKOINmWurp3smXu3y5wDcJrptwpSjgXHzIQxR0omXljQ==}
     engines: {node: '>=12.0.0'}
 
+  tinypool@1.1.1:
+    resolution: {integrity: sha512-Zba82s87IFq9A9XmjiX5uZA/ARWDrB03OHlq+Vw1fSdt0I+4/Kutwy8BP4Y/y/aORMo61FQ0vIb5j44vSo5Pkg==}
+    engines: {node: ^18.0.0 || >=20.0.0}
+
+  tinyrainbow@2.0.0:
+    resolution: {integrity: sha512-op4nsTR47R6p0vMUUoYl/a+ljLFVtlfaXkLQmqfLR1qHma1h/ysYk4hEXZ880bf2CYgTskvTa/e196Vd5dDQXw==}
+    engines: {node: '>=14.0.0'}
+
+  tinyspy@4.0.4:
+    resolution: {integrity: sha512-azl+t0z7pw/z958Gy9svOTuzqIk6xq+NSheJzn5MMWtWTFywIacg2wUlzKFGtt3cthx0r2SxMK0yzJOR0IES7Q==}
+    engines: {node: '>=14.0.0'}
+
   tldts-core@7.0.27:
     resolution: {integrity: sha512-YQ7uPjgWUibIK6DW5lrKujGwUKhLevU4hcGbP5O6TcIUb+oTjJYJVWPS4nZsIHrEEEG6myk/oqAJUEQmpZrHsg==}
 
@@ -6466,6 +6577,79 @@ packages:
   victory-vendor@37.3.6:
     resolution: {integrity: sha512-SbPDPdDBYp+5MJHhBCAyI7wKM3d5ivekigc2Dk2s7pgbZ9wIgIBYGVw4zGHBml/qTFbexrofXW6Gu4noGxrOwQ==}
 
+  vite-node@3.2.4:
+    resolution: {integrity: sha512-EbKSKh+bh1E1IFxeO0pg1n4dvoOTt0UDiXMd/qn++r98+jPO1xtJilvXldeuQ8giIB5IkpjCgMleHMNEsGH6pg==}
+    engines: {node: ^18.0.0 || ^20.0.0 || >=22.0.0}
+    hasBin: true
+
+  vite@7.3.1:
+    resolution: {integrity: sha512-w+N7Hifpc3gRjZ63vYBXA56dvvRlNWRczTdmCBBa+CotUzAPf5b7YMdMR/8CQoeYE5LX3W4wj6RYTgonm1b9DA==}
+    engines: {node: ^20.19.0 || >=22.12.0}
+    hasBin: true
+    peerDependencies:
+      '@types/node': ^20.19.0 || >=22.12.0
+      jiti: '>=1.21.0'
+      less: ^4.0.0
+      lightningcss: ^1.21.0
+      sass: ^1.70.0
+      sass-embedded: ^1.70.0
+      stylus: '>=0.54.8'
+      sugarss: ^5.0.0
+      terser: ^5.16.0
+      tsx: ^4.8.1
+      yaml: ^2.4.2
+    peerDependenciesMeta:
+      '@types/node':
+        optional: true
+      jiti:
+        optional: true
+      less:
+        optional: true
+      lightningcss:
+        optional: true
+      sass:
+        optional: true
+      sass-embedded:
+        optional: true
+      stylus:
+        optional: true
+      sugarss:
+        optional: true
+      terser:
+        optional: true
+      tsx:
+        optional: true
+      yaml:
+        optional: true
+
+  vitest@3.2.4:
+    resolution: {integrity: sha512-LUCP5ev3GURDysTWiP47wRRUpLKMOfPh+yKTx3kVIEiu5KOMeqzpnYNsKyOoVrULivR8tLcks4+lga33Whn90A==}
+    engines: {node: ^18.0.0 || ^20.0.0 || >=22.0.0}
+    hasBin: true
+    peerDependencies:
+      '@edge-runtime/vm': '*'
+      '@types/debug': ^4.1.12
+      '@types/node': ^18.0.0 || ^20.0.0 || >=22.0.0
+      '@vitest/browser': 3.2.4
+      '@vitest/ui': 3.2.4
+      happy-dom: '*'
+      jsdom: '*'
+    peerDependenciesMeta:
+      '@edge-runtime/vm':
+        optional: true
+      '@types/debug':
+        optional: true
+      '@types/node':
+        optional: true
+      '@vitest/browser':
+        optional: true
+      '@vitest/ui':
+        optional: true
+      happy-dom:
+        optional: true
+      jsdom:
+        optional: true
+
   warning@4.0.3:
     resolution: {integrity: sha512-rpJyN222KWIvHJ/F53XSZv0Zl/accqHR8et1kpaMTD/fLCRxtV8iX8czMzY7sVZupTI3zcUTg8eycS2kNF9l6w==}
 
@@ -6526,6 +6710,11 @@ packages:
     engines: {node: ^16.13.0 || >=18.0.0}
     hasBin: true
 
+  why-is-node-running@2.3.0:
+    resolution: {integrity: sha512-hUrmaWBdVDcxvYqnyh09zunKzROWjbZTiNy8dBEjkS7ehEDQibXJ7XvlmtbwuTclUiIyN+CyXQD4Vmko8fNm8w==}
+    engines: {node: '>=8'}
+    hasBin: true
+
   word-wrap@1.2.5:
     resolution: {integrity: sha512-BN22B5eaMMI9UMtjrGd5g5eCYPpCPDUy0FJXbYsaT5zYxjFOckS53SQDE3pWkVoWpHXVb3BrYcEN4Twa55B5cA==}
     engines: {node: '>=0.10.0'}
@@ -6821,11 +7010,11 @@ snapshots:
       '@babel/helper-string-parser': 7.27.1
       '@babel/helper-validator-identifier': 7.28.5
 
-  '@better-auth/api-key@1.5.6(@better-auth/core@1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0))(@better-auth/utils@0.3.1)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4))':
+  '@better-auth/api-key@1.5.6(@better-auth/core@1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0))(@better-auth/utils@0.3.1)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)))':
     dependencies:
       '@better-auth/core': 1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0)
       '@better-auth/utils': 0.3.1
-      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1))
       zod: 4.3.6
 
   '@better-auth/core@1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0)':
@@ -6863,14 +7052,14 @@ snapshots:
       '@better-auth/core': 1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0)
       '@better-auth/utils': 0.3.1
 
-  '@better-auth/passkey@1.5.6(@better-auth/core@1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0))(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(better-call@1.3.2(zod@4.3.6))(nanostores@1.2.0)':
+  '@better-auth/passkey@1.5.6(@better-auth/core@1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0))(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)))(better-call@1.3.2(zod@4.3.6))(nanostores@1.2.0)':
     dependencies:
       '@better-auth/core': 1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0)
       '@better-auth/utils': 0.3.1
       '@better-fetch/fetch': 1.1.21
       '@simplewebauthn/browser': 13.3.0
       '@simplewebauthn/server': 13.3.0
-      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1))
       better-call: 1.3.2(zod@4.3.6)
       nanostores: 1.2.0
       zod: 4.3.6
@@ -6898,10 +7087,10 @@ snapshots:
 
   '@captchafox/types@1.4.0': {}
 
-  '@convex-dev/better-auth@0.11.3(@standard-schema/spec@1.1.0)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(convex@1.34.0(react@19.2.4))(hono@4.12.9)(react@19.2.4)(typescript@5.9.3)':
+  '@convex-dev/better-auth@0.11.3(@standard-schema/spec@1.1.0)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)))(convex@1.34.0(react@19.2.4))(hono@4.12.9)(react@19.2.4)(typescript@5.9.3)':
     dependencies:
       '@better-fetch/fetch': 1.1.21
-      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1))
       common-tags: 1.8.2
       convex: 1.34.0(react@19.2.4)
       convex-helpers: 0.1.114(@standard-schema/spec@1.1.0)(convex@1.34.0(react@19.2.4))(hono@4.12.9)(react@19.2.4)(typescript@5.9.3)(zod@4.3.6)
@@ -6918,21 +7107,21 @@ snapshots:
 
   '@date-fns/tz@1.4.1': {}
 
-  '@daveyplate/better-auth-tanstack@1.3.6(@tanstack/query-core@5.95.2)(@tanstack/react-query@5.95.2(react@19.2.4))(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)':
+  '@daveyplate/better-auth-tanstack@1.3.6(@tanstack/query-core@5.95.2)(@tanstack/react-query@5.95.2(react@19.2.4))(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)':
     dependencies:
       '@tanstack/query-core': 5.95.2
       '@tanstack/react-query': 5.95.2(react@19.2.4)
-      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1))
       react: 19.2.4
       react-dom: 19.2.4(react@19.2.4)
 
-  '@daveyplate/better-auth-ui@3.4.0(aed41ba285ba33af5b1a54a1a4efb176)':
+  '@daveyplate/better-auth-ui@3.4.0(43fe9e8f7c24dd7a61ee43b650bb480d)':
     dependencies:
-      '@better-auth/api-key': 1.5.6(@better-auth/core@1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0))(@better-auth/utils@0.3.1)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4))
-      '@better-auth/passkey': 1.5.6(@better-auth/core@1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0))(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(better-call@1.3.2(zod@4.3.6))(nanostores@1.2.0)
+      '@better-auth/api-key': 1.5.6(@better-auth/core@1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0))(@better-auth/utils@0.3.1)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)))
+      '@better-auth/passkey': 1.5.6(@better-auth/core@1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0))(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)))(better-call@1.3.2(zod@4.3.6))(nanostores@1.2.0)
       '@better-fetch/fetch': 1.1.21
       '@captchafox/react': 1.11.0(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
-      '@daveyplate/better-auth-tanstack': 1.3.6(@tanstack/query-core@5.95.2)(@tanstack/react-query@5.95.2(react@19.2.4))(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+      '@daveyplate/better-auth-tanstack': 1.3.6(@tanstack/query-core@5.95.2)(@tanstack/react-query@5.95.2(react@19.2.4))(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
       '@hcaptcha/react-hcaptcha': 2.0.2
       '@hookform/resolvers': 5.2.2(react-hook-form@7.72.0(react@19.2.4))
       '@instantdb/react': 0.22.169(react@19.2.4)
@@ -6957,7 +7146,7 @@ snapshots:
       '@triplit/client': 1.0.50(typescript@5.9.3)
       '@triplit/react': 1.0.51(react@19.2.4)(typescript@5.9.3)
       '@wojtekmaj/react-recaptcha-v3': 0.1.4(@types/react@19.2.14)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
-      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1))
       better-call: 2.0.2(zod@4.3.6)
       bowser: 2.14.1
       class-variance-authority: 0.7.1
@@ -8171,11 +8360,11 @@ snapshots:
       tslib: 2.8.1
       tsyringe: 4.10.0
 
-  '@polar-sh/better-auth@1.8.3(@polar-sh/sdk@0.46.7)(@stripe/react-stripe-js@4.0.2(@stripe/stripe-js@7.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(@stripe/stripe-js@7.9.0)(@types/react-dom@19.2.3(@types/react@19.2.14))(@types/react@19.2.14)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react-is@16.13.1)(react@19.2.4)(redux@5.0.1)(zod@4.3.6)':
+  '@polar-sh/better-auth@1.8.3(@polar-sh/sdk@0.46.7)(@stripe/react-stripe-js@4.0.2(@stripe/stripe-js@7.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(@stripe/stripe-js@7.9.0)(@types/react-dom@19.2.3(@types/react@19.2.14))(@types/react@19.2.14)(better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)))(react-dom@19.2.4(react@19.2.4))(react-is@16.13.1)(react@19.2.4)(redux@5.0.1)(zod@4.3.6)':
     dependencies:
       '@polar-sh/checkout': 0.2.0(@stripe/react-stripe-js@4.0.2(@stripe/stripe-js@7.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(@stripe/stripe-js@7.9.0)(@types/react-dom@19.2.3(@types/react@19.2.14))(@types/react@19.2.14)(react-dom@19.2.4(react@19.2.4))(react-is@16.13.1)(react@19.2.4)(redux@5.0.1)
       '@polar-sh/sdk': 0.46.7
-      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
+      better-auth: 1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1))
       zod: 4.3.6
     transitivePeerDependencies:
       - '@stripe/react-stripe-js'
@@ -9687,6 +9876,11 @@ snapshots:
       tslib: 2.8.1
     optional: true
 
+  '@types/chai@5.2.3':
+    dependencies:
+      '@types/deep-eql': 4.0.2
+      assertion-error: 2.0.1
+
   '@types/connect@3.4.38':
     dependencies:
       '@types/node': 20.19.37
@@ -9730,6 +9924,8 @@ snapshots:
       '@types/d3-interpolate': 3.0.4
       '@types/d3-selection': 3.0.11
 
+  '@types/deep-eql@4.0.2': {}
+
   '@types/eslint-scope@3.7.7':
     dependencies:
       '@types/eslint': 9.6.1
@@ -9944,6 +10140,49 @@ snapshots:
   '@unrs/resolver-binding-win32-x64-msvc@1.11.1':
     optional: true
 
+  '@vitest/expect@3.2.4':
+    dependencies:
+      '@types/chai': 5.2.3
+      '@vitest/spy': 3.2.4
+      '@vitest/utils': 3.2.4
+      chai: 5.3.3
+      tinyrainbow: 2.0.0
+
+  '@vitest/mocker@3.2.4(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(vite@7.3.1(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(terser@5.46.1))':
+    dependencies:
+      '@vitest/spy': 3.2.4
+      estree-walker: 3.0.3
+      magic-string: 0.30.21
+    optionalDependencies:
+      msw: 2.12.14(@types/node@20.19.37)(typescript@5.9.3)
+      vite: 7.3.1(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(terser@5.46.1)
+
+  '@vitest/pretty-format@3.2.4':
+    dependencies:
+      tinyrainbow: 2.0.0
+
+  '@vitest/runner@3.2.4':
+    dependencies:
+      '@vitest/utils': 3.2.4
+      pathe: 2.0.3
+      strip-literal: 3.1.0
+
+  '@vitest/snapshot@3.2.4':
+    dependencies:
+      '@vitest/pretty-format': 3.2.4
+      magic-string: 0.30.21
+      pathe: 2.0.3
+
+  '@vitest/spy@3.2.4':
+    dependencies:
+      tinyspy: 4.0.4
+
+  '@vitest/utils@3.2.4':
+    dependencies:
+      '@vitest/pretty-format': 3.2.4
+      loupe: 3.2.1
+      tinyrainbow: 2.0.0
+
   '@webassemblyjs/ast@1.14.1':
     dependencies:
       '@webassemblyjs/helper-numbers': 1.13.2
@@ -10204,6 +10443,8 @@ snapshots:
       pvutils: 1.1.5
       tslib: 2.8.1
 
+  assertion-error@2.0.1: {}
+
   ast-types-flow@0.0.8: {}
 
   ast-types@0.16.1:
@@ -10230,7 +10471,7 @@ snapshots:
 
   baseline-browser-mapping@2.10.10: {}
 
-  better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4):
+  better-auth@1.5.6(@opentelemetry/api@1.9.0)(next@16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4))(react-dom@19.2.4(react@19.2.4))(react@19.2.4)(vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)):
     dependencies:
       '@better-auth/core': 1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0)
       '@better-auth/drizzle-adapter': 1.5.6(@better-auth/core@1.5.6(@better-auth/utils@0.3.1)(@better-fetch/fetch@1.1.21)(@opentelemetry/api@1.9.0)(better-call@1.3.2(zod@4.3.6))(jose@6.2.2)(kysely@0.28.14)(nanostores@1.2.0))(@better-auth/utils@0.3.1)
@@ -10253,6 +10494,7 @@ snapshots:
       next: 16.2.1(@babel/core@7.29.0)(@opentelemetry/api@1.9.0)(react-dom@19.2.4(react@19.2.4))(react@19.2.4)
       react: 19.2.4
       react-dom: 19.2.4(react@19.2.4)
+      vitest: 3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1)
     transitivePeerDependencies:
       - '@cloudflare/workers-types'
       - '@opentelemetry/api'
@@ -10327,6 +10569,8 @@ snapshots:
 
   bytes@3.1.2: {}
 
+  cac@6.7.14: {}
+
   call-bind-apply-helpers@1.0.2:
     dependencies:
       es-errors: 1.3.0
@@ -10348,6 +10592,14 @@ snapshots:
 
   caniuse-lite@1.0.30001781: {}
 
+  chai@5.3.3:
+    dependencies:
+      assertion-error: 2.0.1
+      check-error: 2.1.3
+      deep-eql: 5.0.2
+      loupe: 3.2.1
+      pathval: 2.0.1
+
   chalk@4.1.2:
     dependencies:
       ansi-styles: 4.3.0
@@ -10355,6 +10607,8 @@ snapshots:
 
   chalk@5.6.2: {}
 
+  check-error@2.1.3: {}
+
   chrome-trace-event@1.0.4: {}
 
   cjs-module-lexer@2.2.0: {}
@@ -10588,6 +10842,8 @@ snapshots:
 
   dedent@1.7.2: {}
 
+  deep-eql@5.0.2: {}
+
   deep-is@0.1.4: {}
 
   deepmerge@4.3.1: {}
@@ -10774,6 +11030,8 @@ snapshots:
       math-intrinsics: 1.1.0
       safe-array-concat: 1.1.3
 
+  es-module-lexer@1.7.0: {}
+
   es-module-lexer@2.0.0: {}
 
   es-object-atoms@1.1.1:
@@ -11048,6 +11306,10 @@ snapshots:
 
   estree-walker@2.0.2: {}
 
+  estree-walker@3.0.3:
+    dependencies:
+      '@types/estree': 1.0.8
+
   esutils@2.0.3: {}
 
   etag@1.8.1: {}
@@ -11101,6 +11363,8 @@ snapshots:
 
   exif-parser@0.1.12: {}
 
+  expect-type@1.3.0: {}
+
   express-rate-limit@8.3.1(express@5.2.1):
     dependencies:
       express: 5.2.1
@@ -11734,6 +11998,8 @@ snapshots:
 
   js-tokens@4.0.0: {}
 
+  js-tokens@9.0.1: {}
+
   js-yaml@4.1.1:
     dependencies:
       argparse: 2.0.1
@@ -11877,6 +12143,8 @@ snapshots:
     dependencies:
       js-tokens: 4.0.0
 
+  loupe@3.2.1: {}
+
   lru-cache@11.2.7: {}
 
   lru-cache@5.1.1:
@@ -12248,6 +12516,10 @@ snapshots:
 
   path-to-regexp@8.3.0: {}
 
+  pathe@2.0.3: {}
+
+  pathval@2.0.1: {}
+
   peberminta@0.9.0: {}
 
   peek-readable@4.1.0: {}
@@ -12916,6 +13188,8 @@ snapshots:
       side-channel-map: 1.0.1
       side-channel-weakmap: 1.0.2
 
+  siginfo@2.0.0: {}
+
   signal-exit@3.0.7: {}
 
   signal-exit@4.1.0: {}
@@ -12942,6 +13216,8 @@ snapshots:
 
   stable-hash@0.0.5: {}
 
+  stackback@0.0.2: {}
+
   stacktrace-parser@0.1.11:
     dependencies:
       type-fest: 0.7.1
@@ -12955,6 +13231,8 @@ snapshots:
 
   statuses@2.0.2: {}
 
+  std-env@3.10.0: {}
+
   stdin-discarder@0.2.2: {}
 
   stop-iteration-iterator@1.1.0:
@@ -13056,6 +13334,10 @@ snapshots:
 
   strip-json-comments@3.1.1: {}
 
+  strip-literal@3.1.0:
+    dependencies:
+      js-tokens: 9.0.1
+
   strtok3@6.3.0:
     dependencies:
       '@tokenizer/token': 0.3.0
@@ -13109,13 +13391,23 @@ snapshots:
 
   tiny-invariant@1.3.3: {}
 
+  tinybench@2.9.0: {}
+
   tinycolor2@1.6.0: {}
 
+  tinyexec@0.3.2: {}
+
   tinyglobby@0.2.15:
     dependencies:
       fdir: 6.5.0(picomatch@4.0.4)
       picomatch: 4.0.4
 
+  tinypool@1.1.1: {}
+
+  tinyrainbow@2.0.0: {}
+
+  tinyspy@4.0.4: {}
+
   tldts-core@7.0.27: {}
 
   tldts@7.0.27:
@@ -13355,6 +13647,83 @@ snapshots:
       d3-time: 3.1.0
       d3-timer: 3.0.1
 
+  vite-node@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(terser@5.46.1):
+    dependencies:
+      cac: 6.7.14
+      debug: 4.4.3
+      es-module-lexer: 1.7.0
+      pathe: 2.0.3
+      vite: 7.3.1(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(terser@5.46.1)
+    transitivePeerDependencies:
+      - '@types/node'
+      - jiti
+      - less
+      - lightningcss
+      - sass
+      - sass-embedded
+      - stylus
+      - sugarss
+      - supports-color
+      - terser
+      - tsx
+      - yaml
+
+  vite@7.3.1(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(terser@5.46.1):
+    dependencies:
+      esbuild: 0.27.0
+      fdir: 6.5.0(picomatch@4.0.4)
+      picomatch: 4.0.4
+      postcss: 8.5.8
+      rollup: 4.60.0
+      tinyglobby: 0.2.15
+    optionalDependencies:
+      '@types/node': 20.19.37
+      fsevents: 2.3.3
+      jiti: 2.6.1
+      lightningcss: 1.32.0
+      terser: 5.46.1
+
+  vitest@3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(terser@5.46.1):
+    dependencies:
+      '@types/chai': 5.2.3
+      '@vitest/expect': 3.2.4
+      '@vitest/mocker': 3.2.4(msw@2.12.14(@types/node@20.19.37)(typescript@5.9.3))(vite@7.3.1(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(terser@5.46.1))
+      '@vitest/pretty-format': 3.2.4
+      '@vitest/runner': 3.2.4
+      '@vitest/snapshot': 3.2.4
+      '@vitest/spy': 3.2.4
+      '@vitest/utils': 3.2.4
+      chai: 5.3.3
+      debug: 4.4.3
+      expect-type: 1.3.0
+      magic-string: 0.30.21
+      pathe: 2.0.3
+      picomatch: 4.0.4
+      std-env: 3.10.0
+      tinybench: 2.9.0
+      tinyexec: 0.3.2
+      tinyglobby: 0.2.15
+      tinypool: 1.1.1
+      tinyrainbow: 2.0.0
+      vite: 7.3.1(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(terser@5.46.1)
+      vite-node: 3.2.4(@types/node@20.19.37)(jiti@2.6.1)(lightningcss@1.32.0)(terser@5.46.1)
+      why-is-node-running: 2.3.0
+    optionalDependencies:
+      '@types/node': 20.19.37
+    transitivePeerDependencies:
+      - jiti
+      - less
+      - lightningcss
+      - msw
+      - sass
+      - sass-embedded
+      - stylus
+      - sugarss
+      - supports-color
+      - terser
+      - tsx
+      - yaml
+
   warning@4.0.3:
     dependencies:
       loose-envify: 1.4.0
@@ -13458,6 +13827,11 @@ snapshots:
     dependencies:
       isexe: 3.1.5
 
+  why-is-node-running@2.3.0:
+    dependencies:
+      siginfo: 2.0.0
+      stackback: 0.0.2
+
   word-wrap@1.2.5: {}
 
   wrap-ansi@6.2.0:
diff --git a/tests/convex/ai-utils.test.ts b/tests/convex/ai-utils.test.ts
new file mode 100644
index 0000000..da1f2ec
--- /dev/null
+++ b/tests/convex/ai-utils.test.ts
@@ -0,0 +1,22 @@
+import { describe, expect, it } from "vitest";
+import { assertNodeBelongsToCanvasOrThrow } from "@/convex/ai-utils";
+
+describe("assertNodeBelongsToCanvasOrThrow", () => {
+  it("accepts matching node/canvas relation", () => {
+    expect(() =>
+      assertNodeBelongsToCanvasOrThrow(
+        { canvasId: "canvas_a" },
+        "canvas_a",
+      ),
+    ).not.toThrow();
+  });
+
+  it("rejects mismatching node/canvas relation", () => {
+    expect(() =>
+      assertNodeBelongsToCanvasOrThrow(
+        { canvasId: "canvas_b" },
+        "canvas_a",
+      ),
+    ).toThrow("Node does not belong to canvas");
+  });
+});
diff --git a/tests/convex/batch-validation-utils.test.ts b/tests/convex/batch-validation-utils.test.ts
new file mode 100644
index 0000000..3e8173a
--- /dev/null
+++ b/tests/convex/batch-validation-utils.test.ts
@@ -0,0 +1,43 @@
+import { describe, expect, it } from "vitest";
+import type { Id } from "@/convex/_generated/dataModel";
+import { validateBatchNodesForUserOrThrow } from "@/convex/batch-validation-utils";
+
+describe("validateBatchNodesForUserOrThrow", () => {
+  it("rejects mixed canvas ids in one batch", async () => {
+    const nodeA = {
+      _id: "node_a" as Id<"nodes">,
+      canvasId: "canvas_a" as Id<"canvases">,
+    };
+    const nodeB = {
+      _id: "node_b" as Id<"nodes">,
+      canvasId: "canvas_b" as Id<"canvases">,
+    };
+
+    await expect(
+      validateBatchNodesForUserOrThrow({
+        userId: "user_1",
+        nodeIds: [nodeA._id, nodeB._id],
+        getNodeById: async (nodeId) => {
+          if (nodeId === nodeA._id) return nodeA;
+          if (nodeId === nodeB._id) return nodeB;
+          return null;
+        },
+        getCanvasById: async () => ({ _id: "canvas_a" as Id<"canvases">, ownerId: "user_1" }),
+      }),
+    ).rejects.toThrow("All nodes must belong to the same canvas");
+  });
+
+  it("rejects foreign canvas ownership", async () => {
+    const canvasId = "canvas_a" as Id<"canvases">;
+    const node = { _id: "node_a" as Id<"nodes">, canvasId };
+
+    await expect(
+      validateBatchNodesForUserOrThrow({
+        userId: "user_1",
+        nodeIds: [node._id],
+        getNodeById: async () => node,
+        getCanvasById: async () => ({ _id: canvasId, ownerId: "other_user" }),
+      }),
+    ).rejects.toThrow("Canvas not found");
+  });
+});
diff --git a/tests/convex/polar-utils.test.ts b/tests/convex/polar-utils.test.ts
new file mode 100644
index 0000000..b0e82df
--- /dev/null
+++ b/tests/convex/polar-utils.test.ts
@@ -0,0 +1,62 @@
+import { describe, expect, it } from "vitest";
+import {
+  buildSubscriptionCycleIdempotencyKey,
+  buildSubscriptionRevokedIdempotencyKey,
+  buildTopUpPaidIdempotencyKey,
+  registerWebhookEventOnce,
+  type WebhookEventRepo,
+} from "@/convex/polar-utils";
+
+describe("polar idempotency helpers", () => {
+  it("builds stable idempotency keys", () => {
+    expect(
+      buildSubscriptionCycleIdempotencyKey({
+        polarSubscriptionId: "sub_123",
+        currentPeriodStart: 100,
+        currentPeriodEnd: 200,
+      }),
+    ).toBe("polar:subscription_cycle:sub_123:100:200");
+
+    expect(
+      buildSubscriptionRevokedIdempotencyKey({
+        userId: "user_1",
+        polarSubscriptionId: "sub_123",
+      }),
+    ).toBe("polar:subscription_revoked:sub_123");
+
+    expect(
+      buildSubscriptionRevokedIdempotencyKey({
+        userId: "user_1",
+      }),
+    ).toBe("polar:subscription_revoked:user:user_1");
+
+    expect(buildTopUpPaidIdempotencyKey("order_77")).toBe("polar:order_paid:order_77");
+  });
+
+  it("dedupes repeated webhook events by provider/key", async () => {
+    const seen = new Set<string>();
+    let inserted = 0;
+    const repo: WebhookEventRepo = {
+      findByProviderAndKey: async ({ provider, idempotencyKey }) => {
+        const key = `${provider}:${idempotencyKey}`;
+        return seen.has(key) ? { _id: "evt_1" } : null;
+      },
+      insert: async ({ provider, idempotencyKey }) => {
+        seen.add(`${provider}:${idempotencyKey}`);
+        inserted += 1;
+      },
+    };
+
+    const args = {
+      provider: "polar" as const,
+      scope: "topup_paid" as const,
+      idempotencyKey: "polar:order_paid:order_1",
+      userId: "user_1",
+      polarOrderId: "order_1",
+    };
+
+    await expect(registerWebhookEventOnce(repo, args, () => 123)).resolves.toBe(true);
+    await expect(registerWebhookEventOnce(repo, args, () => 123)).resolves.toBe(false);
+    expect(inserted).toBe(1);
+  });
+});
diff --git a/vitest.config.ts b/vitest.config.ts
new file mode 100644
index 0000000..9bb4a1b
--- /dev/null
+++ b/vitest.config.ts
@@ -0,0 +1,14 @@
+import path from "node:path";
+import { defineConfig } from "vitest/config";
+
+export default defineConfig({
+  resolve: {
+    alias: {
+      "@": path.resolve(__dirname, "."),
+    },
+  },
+  test: {
+    environment: "node",
+    include: ["tests/**/*.test.ts"],
+  },
+});