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@brkalow brkalow commented Dec 19, 2025

Adds keyless mode support to @clerk/tanstack-react-start, enabling developers to get started without API keys in development.

Changes

  • Added file-based keyless storage (fileStorage.ts)
  • Integrated keyless service with clerkMiddleware
  • Updated ClerkProvider to pass keyless URLs to the client
  • Added canUseKeyless feature flag (respects VITE_CLERK_KEYLESS_DISABLED)
  • Updated loadOptions to handle missing keys in keyless mode

Implementation

Uses the shared createKeylessService from @clerk/shared/keyless with a lazy singleton pattern and proper error handling for API calls.

Summary by CodeRabbit

  • Refactor
    • Streamlined keyless architecture; removed environment drift telemetry and metadata header collection.
  • New Features
    • Keyless quickstart for Next.js and TanStack React Start with automatic keyless fallback and propagation of claim/API URLs.
    • Development-only keyless cache that surfaces user-facing console messages.
  • Chores
    • Consolidated public keyless exports into the shared package.
  • Tests
    • Added end-to-end integration tests covering keyless claim and onboarding flows.

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🦋 Changeset detected

Latest commit: c9a3576

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 19 packages
Name Type
@clerk/tanstack-react-start Minor
@clerk/shared Minor
@clerk/agent-toolkit Patch
@clerk/astro Patch
@clerk/backend Patch
@clerk/chrome-extension Patch
@clerk/clerk-js Patch
@clerk/expo-passkeys Patch
@clerk/expo Patch
@clerk/express Patch
@clerk/fastify Patch
@clerk/localizations Patch
@clerk/nextjs Patch
@clerk/nuxt Patch
@clerk/react-router Patch
@clerk/react Patch
@clerk/testing Patch
@clerk/ui Patch
@clerk/vue Patch

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📝 Walkthrough

Walkthrough

The PR removes keyless environment drift telemetry and its metadata header utilities, deletes detectKeylessEnvDrift and its client/server invocations, and consolidates keyless behavior behind a lazily-initialized keyless() service. It moves dev-cache/log helpers to a shared keyless module, adds filesystem-backed storage and a keyless service abstraction, updates Next.js and TanStack React Start integrations to use the new API and propagate keyless URLs, and removes related tests and modules tied to the deleted telemetry/headers functionality.

Pre-merge checks | ✅ 2 | ❌ 1
❌ Failed checks (1 warning)
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✅ Passed checks (2 passed)
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Description Check ✅ Passed Check skipped - CodeRabbit’s high-level summary is enabled.
Title check ✅ Passed The title 'feat(tanstack-react-start): Add keyless mode support' accurately describes the main change: adding keyless mode support to the tanstack-react-start package.

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  • integration/tests/tanstack-start/keyless.test.ts
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**/*.{ts,tsx}

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**/*.{ts,tsx}: Always define explicit return types for functions, especially public APIs
Use proper type annotations for variables and parameters where inference isn't clear
Avoid any type - prefer unknown when type is uncertain, then narrow with type guards
Implement type guards for unknown types using the pattern function isType(value: unknown): value is Type
Use interface for object shapes that might be extended
Use type for unions, primitives, and computed types
Prefer readonly properties for immutable data structures
Use private for internal implementation details in classes
Use protected for inheritance hierarchies
Use public explicitly for clarity in public APIs
Use mixins for shared behavior across unrelated classes in TypeScript
Use generic constraints with bounded type parameters like <T extends { id: string }>
Use utility types like Omit, Partial, and Pick for data transformation instead of manual type construction
Use discriminated unions instead of boolean flags for state management and API responses
Use mapped types for transforming object types
Use conditional types for type-level logic
Leverage template literal types for string manipulation at the type level
Use ES6 imports/exports consistently
Use default exports sparingly, prefer named exports
Document functions with JSDoc comments including @param, @returns, @throws, and @example tags
Create custom error classes that extend Error for specific error types
Use the Result pattern for error handling instead of throwing exceptions
Use optional chaining (?.) and nullish coalescing (??) operators for safe property access
Let TypeScript infer obvious types to reduce verbosity
Use const assertions with as const for literal types
Use satisfies operator for type checking without widening types
Declare readonly arrays and objects for immutable data structures
Use spread operator and array spread for immutable updates instead of mutations
Use lazy loading for large types...

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  • integration/tests/tanstack-start/keyless.test.ts
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integration/presets/index.ts (1)
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integration/models/application.ts (1)
  • Application (10-10)
integration/testUtils/index.ts (1)
  • createTestUtils (24-86)
packages/shared/src/internal/clerk-js/redirectUrls.ts (1)
  • signUpForceRedirectUrl (60-96)
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Actionable comments posted: 1

🧹 Nitpick comments (4)
packages/tanstack-react-start/src/server/keyless/index.ts (2)

14-31: Silent error swallowing may hide important failures.

Both createAccountlessApplication and completeOnboarding catch all errors and return null without logging. This makes debugging difficult when keyless mode silently fails to initialize or complete onboarding.

Consider logging errors at an appropriate level before returning null:

Suggested improvement
         async createAccountlessApplication(requestHeaders?: Headers) {
           try {
             return await clerkClient().__experimental_accountlessApplications.createAccountlessApplication({
               requestHeaders,
             });
-          } catch {
+          } catch (error) {
+            console.warn('[Clerk] Failed to create accountless application:', error);
             return null;
           }
         },
         async completeOnboarding(requestHeaders?: Headers) {
           try {
             return await clerkClient().__experimental_accountlessApplications.completeAccountlessApplicationOnboarding({
               requestHeaders,
             });
-          } catch {
+          } catch (error) {
+            console.warn('[Clerk] Failed to complete onboarding:', error);
             return null;
           }
         },

9-37: Consider adding explicit return type annotation.

Per coding guidelines, public APIs should have explicit return types. The function relies on type inference from createKeylessService.

-export function keyless() {
+export function keyless(): ReturnType<typeof createKeylessService> {
packages/tanstack-react-start/src/server/keyless/fileStorage.ts (2)

101-113: Silent failure on lock contention could cause unexpected behavior.

When write() fails to acquire the lock, it silently returns without writing. The caller has no way to know the operation was skipped. This could lead to stale configuration being used.

Consider returning a boolean to indicate success, or throwing an error:

Suggested approach
-    write(data: string): void {
+    write(data: string): boolean {
       if (!lock()) {
-        return;
+        return false;
       }
       try {
         ensureDirectoryExists();
         updateGitignore();
         writeReadme();
         fs.writeFileSync(getConfigPath(), data, { encoding: 'utf8', mode: 0o600 });
+        return true;
       } finally {
         unlock();
       }
     },

64-76: Verify .gitignore handling for edge cases.

The updateGitignore function appends to .gitignore without checking if the file ends with a newline. If the existing .gitignore doesn't end with a newline, the entry will be appended to the last line.

Suggested fix
     const content = fs.readFileSync(gitignorePath, 'utf-8');
     if (!content.includes(entry)) {
-      fs.appendFileSync(gitignorePath, `\n# clerk configuration (can include secrets)\n${entry}\n`);
+      const prefix = content.length > 0 && !content.endsWith('\n') ? '\n' : '';
+      fs.appendFileSync(gitignorePath, `${prefix}\n# clerk configuration (can include secrets)\n${entry}\n`);
     }
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📒 Files selected for processing (26)
  • packages/nextjs/src/app-router/client/ClerkProvider.tsx (0 hunks)
  • packages/nextjs/src/app-router/keyless-actions.ts (2 hunks)
  • packages/nextjs/src/app-router/server/ClerkProvider.tsx (0 hunks)
  • packages/nextjs/src/app-router/server/keyless-provider.tsx (4 hunks)
  • packages/nextjs/src/server/keyless-custom-headers.ts (0 hunks)
  • packages/nextjs/src/server/keyless-log-cache.ts (1 hunks)
  • packages/nextjs/src/server/keyless-node.ts (1 hunks)
  • packages/nextjs/src/server/keyless-telemetry.ts (0 hunks)
  • packages/nextjs/src/utils/feature-flags.ts (1 hunks)
  • packages/shared/docs/use-clerk.md (0 hunks)
  • packages/shared/docs/use-session-list.md (0 hunks)
  • packages/shared/docs/use-session.md (0 hunks)
  • packages/shared/docs/use-user.md (0 hunks)
  • packages/shared/package.json (1 hunks)
  • packages/shared/src/keyless/devCache.ts (1 hunks)
  • packages/shared/src/keyless/index.ts (1 hunks)
  • packages/shared/src/keyless/service.ts (1 hunks)
  • packages/shared/src/keyless/types.ts (1 hunks)
  • packages/shared/tsdown.config.mts (1 hunks)
  • packages/tanstack-react-start/src/client/ClerkProvider.tsx (2 hunks)
  • packages/tanstack-react-start/src/client/utils.ts (3 hunks)
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts (2 hunks)
  • packages/tanstack-react-start/src/server/keyless/fileStorage.ts (1 hunks)
  • packages/tanstack-react-start/src/server/keyless/index.ts (1 hunks)
  • packages/tanstack-react-start/src/server/loadOptions.ts (3 hunks)
  • packages/tanstack-react-start/src/utils/feature-flags.ts (1 hunks)
💤 Files with no reviewable changes (8)
  • packages/nextjs/src/app-router/client/ClerkProvider.tsx
  • packages/nextjs/src/server/keyless-custom-headers.ts
  • packages/shared/docs/use-user.md
  • packages/shared/docs/use-session-list.md
  • packages/shared/docs/use-clerk.md
  • packages/nextjs/src/server/keyless-telemetry.ts
  • packages/shared/docs/use-session.md
  • packages/nextjs/src/app-router/server/ClerkProvider.tsx
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**/*.{js,jsx,ts,tsx}

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Files:

  • packages/shared/src/keyless/types.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/server/keyless/index.ts
  • packages/nextjs/src/app-router/keyless-actions.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/nextjs/src/server/keyless-log-cache.ts
  • packages/tanstack-react-start/src/client/ClerkProvider.tsx
  • packages/shared/src/keyless/devCache.ts
  • packages/nextjs/src/server/keyless-node.ts
  • packages/shared/src/keyless/service.ts
  • packages/tanstack-react-start/src/server/loadOptions.ts
  • packages/nextjs/src/utils/feature-flags.ts
  • packages/tanstack-react-start/src/client/utils.ts
  • packages/tanstack-react-start/src/server/keyless/fileStorage.ts
  • packages/nextjs/src/app-router/server/keyless-provider.tsx
**/*.{js,jsx,ts,tsx,json,md,yml,yaml}

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  • packages/shared/package.json
  • packages/tanstack-react-start/src/utils/feature-flags.ts
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  • packages/nextjs/src/app-router/keyless-actions.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
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  • packages/shared/src/keyless/service.ts
  • packages/tanstack-react-start/src/server/loadOptions.ts
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  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/server/keyless/index.ts
  • packages/nextjs/src/app-router/keyless-actions.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/nextjs/src/server/keyless-log-cache.ts
  • packages/tanstack-react-start/src/client/ClerkProvider.tsx
  • packages/shared/src/keyless/devCache.ts
  • packages/nextjs/src/server/keyless-node.ts
  • packages/shared/src/keyless/service.ts
  • packages/tanstack-react-start/src/server/loadOptions.ts
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  • packages/tanstack-react-start/src/utils/feature-flags.ts
  • packages/shared/src/keyless/index.ts
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packages/**/src/**/*.{ts,tsx,js,jsx}

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Validate all inputs and sanitize outputs
All public APIs must be documented with JSDoc
Use dynamic imports for optional features
Provide meaningful error messages to developers
Include error recovery suggestions where applicable
Log errors appropriately for debugging
Lazy load components and features when possible
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Implement proper logging with different levels

Files:

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  • packages/tanstack-react-start/src/utils/feature-flags.ts
  • packages/shared/src/keyless/index.ts
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  • packages/tanstack-react-start/src/server/keyless/fileStorage.ts
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**/*.ts?(x)

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Use proper TypeScript error types

Files:

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  • packages/tanstack-react-start/src/utils/feature-flags.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/server/keyless/index.ts
  • packages/nextjs/src/app-router/keyless-actions.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/nextjs/src/server/keyless-log-cache.ts
  • packages/tanstack-react-start/src/client/ClerkProvider.tsx
  • packages/shared/src/keyless/devCache.ts
  • packages/nextjs/src/server/keyless-node.ts
  • packages/shared/src/keyless/service.ts
  • packages/tanstack-react-start/src/server/loadOptions.ts
  • packages/nextjs/src/utils/feature-flags.ts
  • packages/tanstack-react-start/src/client/utils.ts
  • packages/tanstack-react-start/src/server/keyless/fileStorage.ts
  • packages/nextjs/src/app-router/server/keyless-provider.tsx
**/*.{ts,tsx}

📄 CodeRabbit inference engine (.cursor/rules/typescript.mdc)

**/*.{ts,tsx}: Always define explicit return types for functions, especially public APIs
Use proper type annotations for variables and parameters where inference isn't clear
Avoid any type - prefer unknown when type is uncertain, then narrow with type guards
Implement type guards for unknown types using the pattern function isType(value: unknown): value is Type
Use interface for object shapes that might be extended
Use type for unions, primitives, and computed types
Prefer readonly properties for immutable data structures
Use private for internal implementation details in classes
Use protected for inheritance hierarchies
Use public explicitly for clarity in public APIs
Use mixins for shared behavior across unrelated classes in TypeScript
Use generic constraints with bounded type parameters like <T extends { id: string }>
Use utility types like Omit, Partial, and Pick for data transformation instead of manual type construction
Use discriminated unions instead of boolean flags for state management and API responses
Use mapped types for transforming object types
Use conditional types for type-level logic
Leverage template literal types for string manipulation at the type level
Use ES6 imports/exports consistently
Use default exports sparingly, prefer named exports
Document functions with JSDoc comments including @param, @returns, @throws, and @example tags
Create custom error classes that extend Error for specific error types
Use the Result pattern for error handling instead of throwing exceptions
Use optional chaining (?.) and nullish coalescing (??) operators for safe property access
Let TypeScript infer obvious types to reduce verbosity
Use const assertions with as const for literal types
Use satisfies operator for type checking without widening types
Declare readonly arrays and objects for immutable data structures
Use spread operator and array spread for immutable updates instead of mutations
Use lazy loading for large types...

Files:

  • packages/shared/src/keyless/types.ts
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  • packages/tanstack-react-start/src/server/loadOptions.ts
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  • packages/tanstack-react-start/src/server/keyless/fileStorage.ts
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  • packages/tanstack-react-start/src/client/ClerkProvider.tsx
  • packages/shared/src/keyless/devCache.ts
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  • packages/tanstack-react-start/src/server/loadOptions.ts
  • packages/nextjs/src/utils/feature-flags.ts
  • packages/tanstack-react-start/src/client/utils.ts
  • packages/tanstack-react-start/src/server/keyless/fileStorage.ts
  • packages/nextjs/src/app-router/server/keyless-provider.tsx
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  • packages/tanstack-react-start/src/client/ClerkProvider.tsx
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🧬 Code graph analysis (5)
packages/tanstack-react-start/src/utils/feature-flags.ts (3)
packages/nextjs/src/server/constants.ts (1)
  • KEYLESS_DISABLED (27-27)
packages/shared/src/underscore.ts (1)
  • isTruthy (118-152)
packages/shared/src/getEnvVariable.ts (1)
  • getEnvVariable (18-50)
packages/tanstack-react-start/src/client/ClerkProvider.tsx (1)
packages/tanstack-react-start/src/client/utils.ts (2)
  • pickFromClerkInitState (6-56)
  • mergeWithPublicEnvs (58-72)
packages/shared/src/keyless/devCache.ts (3)
packages/shared/src/keyless/index.ts (7)
  • ClerkDevCache (7-7)
  • createClerkDevCache (3-3)
  • createKeylessModeMessage (5-5)
  • AccountlessApplication (12-12)
  • PublicKeylessApplication (12-12)
  • createConfirmationMessage (4-4)
  • clerkDevelopmentCache (2-2)
packages/nextjs/src/server/keyless-log-cache.ts (4)
  • createClerkDevCache (7-7)
  • createKeylessModeMessage (9-9)
  • createConfirmationMessage (8-8)
  • clerkDevelopmentCache (6-6)
packages/shared/src/keyless/types.ts (2)
  • AccountlessApplication (5-10)
  • PublicKeylessApplication (15-15)
packages/tanstack-react-start/src/server/loadOptions.ts (3)
packages/tanstack-react-start/src/utils/feature-flags.ts (1)
  • canUseKeyless (11-11)
packages/clerk-js/src/core/clerk.ts (1)
  • isSatellite (324-329)
packages/shared/src/keys.ts (1)
  • isDevelopmentFromSecretKey (230-232)
packages/nextjs/src/utils/feature-flags.ts (1)
packages/nextjs/src/server/constants.ts (1)
  • KEYLESS_DISABLED (27-27)
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🔇 Additional comments (18)
packages/shared/tsdown.config.mts (1)

52-52: LGTM!

Build configuration correctly adds the keyless module entry point.

packages/shared/src/keyless/devCache.ts (1)

1-109: LGTM!

The development cache implementation with throttled logging and async caching is well-structured. The singleton pattern via globalThis is appropriate for cross-module state in development.

packages/tanstack-react-start/src/utils/feature-flags.ts (1)

1-11: LGTM!

Feature flag correctly restricts keyless mode to development environments with an opt-out mechanism.

packages/tanstack-react-start/src/client/ClerkProvider.tsx (1)

36-73: LGTM!

Keyless mode props are correctly conditionally passed to the provider only when available.

packages/shared/src/keyless/types.ts (1)

1-15: LGTM!

Type definitions correctly separate full application data from public-facing data that excludes the secret key.

packages/nextjs/src/app-router/keyless-actions.ts (1)

51-93: LGTM!

The migration to the new keyless() service API with dynamic imports is implemented correctly. Error handling appropriately catches failures.

packages/nextjs/src/utils/feature-flags.ts (1)

1-8: LGTM!

The refactoring to use the shared canUseKeyless utility centralizes the keyless logic appropriately. The public API remains unchanged.

packages/tanstack-react-start/src/server/loadOptions.ts (1)

33-47: LGTM!

The keyless mode guard correctly allows missing secretKey when canUseKeyless is true. The added secretKey check on line 44 properly prevents calling isDevelopmentFromSecretKey with undefined.

packages/shared/package.json (1)

53-62: LGTM!

The new ./keyless export follows the established pattern used by other exports in this package.

packages/tanstack-react-start/src/server/clerkMiddleware.ts (2)

16-46: LGTM!

The keyless mode integration is well-structured. The flow correctly:

  • Only activates when canUseKeyless is true and keys are missing
  • Gracefully handles null response from getOrCreateKeys()
  • Preserves user-provided keys via the || operator

71-78: Consider using proper type augmentation for internal state.

The double type cast (clerkInitialState as Record<string, unknown>).__internal_clerk_state is functional but loses type safety. Not blocking, but worth noting for future type improvements.

packages/tanstack-react-start/src/client/utils.ts (1)

6-55: LGTM!

The keyless URL fields are correctly added as optional properties and properly extracted from the clerk init state.

packages/shared/src/keyless/index.ts (1)

1-12: LGTM!

This barrel file serves as the public API entry point for the @clerk/shared/keyless module, consolidating exports from distinct leaf modules. The separation of runtime exports and type-only exports is clean.

packages/nextjs/src/server/keyless-log-cache.ts (1)

1-10: LGTM!

Clean re-export maintaining backward compatibility with existing imports while consolidating implementation in the shared module.

packages/nextjs/src/app-router/server/keyless-provider.tsx (3)

20-22: LGTM!

Correctly migrated to the new keyless service API with appropriate optional chaining for null safety.


45-47: LGTM!

Migration to getOrCreateKeys() aligns with the new keyless service interface.


84-100: LGTM!

The updated key retrieval and simplified onboarding call (without requestHeaders) align with the broader metadata header removal in this refactor.

packages/tanstack-react-start/src/server/keyless/fileStorage.ts (1)

1-128: Tests should be added for the file storage implementation.

This file contains critical functionality (locking, file I/O, gitignore manipulation) that would benefit from unit tests covering:

  • Lock acquisition/release
  • Concurrent access scenarios
  • Edge cases (missing directories, permission errors)
  • Gitignore update logic

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commit: c9a3576

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Actionable comments posted: 4

Fix all issues with AI Agents 🤖
In @.changeset/fix-react-peer-dependency-ranges.md:
- Around line 1-13: The changeset description falsely states React 19 peer
ranges were changed from `^` to `~`; update the
.changeset/fix-react-peer-dependency-ranges.md description to accurately state
that pnpm-workspace.yaml already uses `~` for React 19 (e.g., the existing
`react: ^18.0.0 || ~19.0.3 || ~19.1.4 || ~19.2.3 || ~19.3.0-0` pattern) and
either describe the real intent of this changeset (e.g., aligning package peer
ranges to the workspace policy or patching other packages) or remove the
misleading claim about changing `^` to `~` for React 19.

In @integration/presets/utils.ts:
- Around line 37-51: The exported function linkPackage lacks an explicit return
type; update its signature to include a return type (string) — e.g. change
export function linkPackage(pkg: string) to export function linkPackage(pkg:
string): string — and ensure all branches (CI '*' branch,
PACKAGES_REQUIRING_TARBALL branch calling createPackageTarball, and the link:...
return) return strings (verify createPackageTarball's signature/return type if
needed).

In @packages/localizations/src/sr-RS.ts:
- Around line 1356-1365: The waitlist translation entries (keys actionLink,
actionText, formButton, subtitle, title inside the waitlist object, and
success.message, success.subtitle, success.title) are written in Cyrillic while
the rest of sr-RS uses Latin; update those string values to their Latin-script
Serbian equivalents (e.g., replace "Пријави се", "Већ имаш приступ?", "Придружи
се листи чекања", "Унеси своју е-пошту..." and the success strings) so they
match the file's Latin script convention and preserve original meanings and
punctuation.
🧹 Nitpick comments (2)
.changeset/chatty-tigers-see.md (1)

6-6: Make the changeset description more specific and actionable.

The current description is generic and focuses on internal implementation ("edge-based token generation") rather than user-facing benefits or breaking changes. Consider clarifying:

  • What user experience improvement this provides (e.g., "Users remain authenticated even if Clerk's primary service is temporarily unavailable")
  • Whether this is a breaking change or purely additive
  • Any migration steps for developers integrating keyless mode
🔎 Example of a more specific description
-Improves resilience by keeping users logged in when Clerk's origin is temporarily unavailable using edge-based token generation
+Improves resilience by keeping users logged in when Clerk's origin is temporarily unavailable, using edge-based token generation for the new keyless mode. Enables development and deployment without API keys.
packages/ui/src/components/SessionTasks/tasks/TaskChooseOrganization/index.tsx (1)

130-140: Consider improving HOC type safety.

The current HOC typing may not properly infer component props in some cases. The return type should be explicitly typed for better TypeScript support.

🔎 Suggested improvement
-export const withOrganizationCreationEnabledGuard = <T,>(Component: ComponentType<T>) => {
-  return (props: T) => {
+export const withOrganizationCreationEnabledGuard = <T extends object>(Component: ComponentType<T>): ComponentType<T> => {
+  return function OrganizationCreationEnabledGuard(props: T) {
     const { user } = useUser();
 
     if (!user?.createOrganizationEnabled) {
       return <OrganizationCreationDisabledScreen />;
     }
 
     return <Component {...props} />;
   };
 };

This adds:

  • extends object constraint for better type inference
  • Explicit return type ComponentType<T>
  • Named function for better debugging in React DevTools

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Actionable comments posted: 1

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  • packages/nextjs/src/__tests__/keyless-custom-headers.test.ts
  • packages/nextjs/src/app-router/client/ClerkProvider.tsx
  • packages/nextjs/src/app-router/keyless-actions.ts
  • packages/nextjs/src/app-router/server/ClerkProvider.tsx
  • packages/nextjs/src/app-router/server/keyless-provider.tsx
  • packages/nextjs/src/server/keyless-custom-headers.ts
  • packages/nextjs/src/server/keyless-log-cache.ts
  • packages/nextjs/src/server/keyless-node.ts
  • packages/nextjs/src/server/keyless-telemetry.ts
  • packages/shared/docs/use-clerk.md
  • packages/shared/docs/use-session-list.md
  • packages/shared/docs/use-session.md
  • packages/shared/docs/use-user.md
  • packages/shared/package.json
  • packages/shared/src/keyless/devCache.ts
  • packages/shared/src/keyless/index.ts
  • packages/shared/src/keyless/service.ts
  • packages/shared/src/keyless/types.ts
  • packages/shared/tsdown.config.mts
  • packages/tanstack-react-start/src/client/ClerkProvider.tsx
  • packages/tanstack-react-start/src/client/utils.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/keyless/fileStorage.ts
  • packages/tanstack-react-start/src/server/keyless/index.ts
  • packages/tanstack-react-start/src/server/loadOptions.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
💤 Files with no reviewable changes (9)
  • packages/shared/docs/use-user.md
  • packages/nextjs/src/tests/keyless-custom-headers.test.ts
  • packages/shared/docs/use-session.md
  • packages/shared/docs/use-session-list.md
  • packages/nextjs/src/app-router/server/ClerkProvider.tsx
  • packages/nextjs/src/server/keyless-custom-headers.ts
  • packages/nextjs/src/app-router/client/ClerkProvider.tsx
  • packages/nextjs/src/server/keyless-telemetry.ts
  • packages/shared/docs/use-clerk.md
🚧 Files skipped from review as they are similar to previous changes (9)
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/server/keyless/fileStorage.ts
  • packages/nextjs/src/server/keyless-log-cache.ts
  • packages/shared/src/keyless/types.ts
  • packages/shared/src/keyless/service.ts
  • packages/shared/tsdown.config.mts
  • packages/tanstack-react-start/src/client/utils.ts
  • packages/tanstack-react-start/src/server/loadOptions.ts
  • packages/shared/src/keyless/devCache.ts
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**/*.{js,jsx,ts,tsx}

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Files:

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  • packages/tanstack-react-start/src/utils/feature-flags.ts
  • packages/nextjs/src/app-router/keyless-actions.ts
  • packages/nextjs/src/server/keyless-node.ts
  • packages/nextjs/src/app-router/server/keyless-provider.tsx
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/keyless/index.ts
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  • packages/nextjs/src/server/keyless-node.ts
  • packages/nextjs/src/app-router/server/keyless-provider.tsx
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/package.json
  • packages/tanstack-react-start/src/server/keyless/index.ts
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  • packages/tanstack-react-start/src/client/ClerkProvider.tsx
  • packages/tanstack-react-start/src/utils/feature-flags.ts
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  • packages/tanstack-react-start/src/server/keyless/index.ts
**/*.{ts,tsx,js,jsx}

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Follow established naming conventions (PascalCase for components, camelCase for variables)

Files:

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  • packages/tanstack-react-start/src/utils/feature-flags.ts
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  • packages/nextjs/src/server/keyless-node.ts
  • packages/nextjs/src/app-router/server/keyless-provider.tsx
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packages/**/src/**/*.{ts,tsx,js,jsx}

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Use tree-shaking friendly exports
Validate all inputs and sanitize outputs
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Use dynamic imports for optional features
Provide meaningful error messages to developers
Include error recovery suggestions where applicable
Log errors appropriately for debugging
Lazy load components and features when possible
Implement proper caching strategies
Use efficient data structures and algorithms
Implement proper logging with different levels

Files:

  • packages/tanstack-react-start/src/client/ClerkProvider.tsx
  • packages/tanstack-react-start/src/utils/feature-flags.ts
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  • packages/nextjs/src/server/keyless-node.ts
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**/*.ts?(x)

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Use proper TypeScript error types

Files:

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  • packages/nextjs/src/app-router/keyless-actions.ts
  • packages/nextjs/src/server/keyless-node.ts
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  • packages/tanstack-react-start/src/server/keyless/index.ts
**/*.tsx

📄 CodeRabbit inference engine (.cursor/rules/development.mdc)

**/*.tsx: Use error boundaries in React components
Minimize re-renders in React components

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**/*.{jsx,tsx}

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Export components as named exports for better tree-shaking
One component per file with matching filename and component name
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Use useState for simple state management in React components
Use useReducer for complex state logic in React components
Implement proper state initialization in React components
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Implement proper state cleanup in React components
Use Context API for theme/authentication state management
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Implement proper form labels in React components
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**/*.{ts,tsx}

📄 CodeRabbit inference engine (.cursor/rules/typescript.mdc)

**/*.{ts,tsx}: Always define explicit return types for functions, especially public APIs
Use proper type annotations for variables and parameters where inference isn't clear
Avoid any type - prefer unknown when type is uncertain, then narrow with type guards
Implement type guards for unknown types using the pattern function isType(value: unknown): value is Type
Use interface for object shapes that might be extended
Use type for unions, primitives, and computed types
Prefer readonly properties for immutable data structures
Use private for internal implementation details in classes
Use protected for inheritance hierarchies
Use public explicitly for clarity in public APIs
Use mixins for shared behavior across unrelated classes in TypeScript
Use generic constraints with bounded type parameters like <T extends { id: string }>
Use utility types like Omit, Partial, and Pick for data transformation instead of manual type construction
Use discriminated unions instead of boolean flags for state management and API responses
Use mapped types for transforming object types
Use conditional types for type-level logic
Leverage template literal types for string manipulation at the type level
Use ES6 imports/exports consistently
Use default exports sparingly, prefer named exports
Document functions with JSDoc comments including @param, @returns, @throws, and @example tags
Create custom error classes that extend Error for specific error types
Use the Result pattern for error handling instead of throwing exceptions
Use optional chaining (?.) and nullish coalescing (??) operators for safe property access
Let TypeScript infer obvious types to reduce verbosity
Use const assertions with as const for literal types
Use satisfies operator for type checking without widening types
Declare readonly arrays and objects for immutable data structures
Use spread operator and array spread for immutable updates instead of mutations
Use lazy loading for large types...

Files:

  • packages/tanstack-react-start/src/client/ClerkProvider.tsx
  • packages/tanstack-react-start/src/utils/feature-flags.ts
  • packages/nextjs/src/app-router/keyless-actions.ts
  • packages/nextjs/src/server/keyless-node.ts
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  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/keyless/index.ts
**/*.{js,ts,jsx,tsx}

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Files:

  • packages/tanstack-react-start/src/client/ClerkProvider.tsx
  • packages/tanstack-react-start/src/utils/feature-flags.ts
  • packages/nextjs/src/app-router/keyless-actions.ts
  • packages/nextjs/src/server/keyless-node.ts
  • packages/nextjs/src/app-router/server/keyless-provider.tsx
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/keyless/index.ts
**/*.{js,ts,jsx,tsx,json,md,yml,yaml}

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Files:

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  • packages/tanstack-react-start/src/utils/feature-flags.ts
  • packages/nextjs/src/app-router/keyless-actions.ts
  • packages/nextjs/src/server/keyless-node.ts
  • packages/nextjs/src/app-router/server/keyless-provider.tsx
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/package.json
  • packages/tanstack-react-start/src/server/keyless/index.ts
**/*

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Keep reviews short: flag only issues that make the PR unsafe to merge.
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  • packages/tanstack-react-start/src/utils/feature-flags.ts
  • packages/nextjs/src/app-router/keyless-actions.ts
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  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/package.json
  • packages/tanstack-react-start/src/server/keyless/index.ts
packages/*/package.json

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packages/*/package.json: Packages should export TypeScript types alongside runtime code
Follow semantic versioning for all packages

All packages must be published under @clerk namespace

packages/*/package.json: Framework packages should depend on @clerk/clerk-js for core functionality
@clerk/shared should be a common dependency for most packages in the monorepo

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  • packages/shared/package.json
**/package.json

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Use pnpm as the package manager for this monorepo

Files:

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**/index.ts

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Avoid barrel files (index.ts re-exports) as they can cause circular dependencies

Files:

  • packages/tanstack-react-start/src/server/keyless/index.ts
🧬 Code graph analysis (4)
packages/tanstack-react-start/src/client/ClerkProvider.tsx (1)
packages/tanstack-react-start/src/client/utils.ts (2)
  • pickFromClerkInitState (6-56)
  • mergeWithPublicEnvs (58-72)
packages/tanstack-react-start/src/utils/feature-flags.ts (3)
packages/nextjs/src/server/constants.ts (1)
  • KEYLESS_DISABLED (27-27)
packages/shared/src/underscore.ts (1)
  • isTruthy (118-152)
packages/shared/src/getEnvVariable.ts (1)
  • getEnvVariable (18-50)
packages/tanstack-react-start/src/server/clerkMiddleware.ts (5)
packages/tanstack-react-start/src/server/types.ts (1)
  • ClerkMiddlewareOptions (11-24)
packages/tanstack-react-start/src/server/utils/index.ts (1)
  • patchRequest (62-77)
packages/tanstack-react-start/src/utils/feature-flags.ts (1)
  • canUseKeyless (11-11)
packages/tanstack-react-start/src/server/keyless/index.ts (1)
  • keyless (9-37)
packages/tanstack-react-start/src/server/loadOptions.ts (1)
  • loadOptions (13-63)
packages/tanstack-react-start/src/server/keyless/index.ts (1)
packages/tanstack-react-start/src/server/keyless/fileStorage.ts (1)
  • createFileStorage (16-128)
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🔇 Additional comments (6)
packages/shared/package.json (1)

53-62: Looks good.

The new keyless export follows the correct pattern and is consistent with other exports in the package.

packages/tanstack-react-start/src/client/ClerkProvider.tsx (1)

36-51: LGTM!

The keyless mode integration correctly extracts keyless URLs from the clerk init state and conditionally passes them to the React ClerkProvider. The conditional object construction and spread pattern is appropriate.

Also applies to: 73-73

packages/tanstack-react-start/src/utils/feature-flags.ts (1)

1-11: LGTM!

The feature flag correctly uses the Vite-specific environment variable prefix and follows the same pattern as the Next.js implementation. The JSDoc documentation clearly explains the behavior.

packages/tanstack-react-start/src/server/keyless/index.ts (1)

9-37: LGTM!

The lazy singleton pattern is correctly implemented. The API wrappers appropriately catch errors and return null, which is suitable for the non-critical keyless development mode where failures should not block the application.

packages/tanstack-react-start/src/server/clerkMiddleware.ts (2)

16-46: LGTM!

The keyless mode integration correctly attempts to retrieve or create keys when enabled and keys are missing. The fallback logic properly merges keyless-derived credentials with explicit options before passing to loadOptions.


71-78: LGTM!

The keyless URLs are correctly propagated to the internal clerk state for downstream consumption by the ClerkProvider on the client side.

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  • packages/nextjs/src/server/keyless-node.ts
  • packages/shared/src/keyless/index.ts
  • packages/shared/src/keyless/types.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/tanstack-react-start/src/server/keyless/fileStorage.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
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**/*.{js,jsx,ts,tsx}

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Files:

  • packages/nextjs/src/server/keyless-node.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
**/*.{js,jsx,ts,tsx,json,md,yml,yaml}

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Files:

  • packages/nextjs/src/server/keyless-node.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
packages/**/src/**/*.{ts,tsx}

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Files:

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  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
**/*.{ts,tsx,js,jsx}

📄 CodeRabbit inference engine (.cursor/rules/development.mdc)

Follow established naming conventions (PascalCase for components, camelCase for variables)

Files:

  • packages/nextjs/src/server/keyless-node.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
packages/**/src/**/*.{ts,tsx,js,jsx}

📄 CodeRabbit inference engine (.cursor/rules/development.mdc)

packages/**/src/**/*.{ts,tsx,js,jsx}: Maintain comprehensive JSDoc comments for public APIs
Use tree-shaking friendly exports
Validate all inputs and sanitize outputs
All public APIs must be documented with JSDoc
Use dynamic imports for optional features
Provide meaningful error messages to developers
Include error recovery suggestions where applicable
Log errors appropriately for debugging
Lazy load components and features when possible
Implement proper caching strategies
Use efficient data structures and algorithms
Implement proper logging with different levels

Files:

  • packages/nextjs/src/server/keyless-node.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
**/*.ts?(x)

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Use proper TypeScript error types

Files:

  • packages/nextjs/src/server/keyless-node.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
**/*.{ts,tsx}

📄 CodeRabbit inference engine (.cursor/rules/typescript.mdc)

**/*.{ts,tsx}: Always define explicit return types for functions, especially public APIs
Use proper type annotations for variables and parameters where inference isn't clear
Avoid any type - prefer unknown when type is uncertain, then narrow with type guards
Implement type guards for unknown types using the pattern function isType(value: unknown): value is Type
Use interface for object shapes that might be extended
Use type for unions, primitives, and computed types
Prefer readonly properties for immutable data structures
Use private for internal implementation details in classes
Use protected for inheritance hierarchies
Use public explicitly for clarity in public APIs
Use mixins for shared behavior across unrelated classes in TypeScript
Use generic constraints with bounded type parameters like <T extends { id: string }>
Use utility types like Omit, Partial, and Pick for data transformation instead of manual type construction
Use discriminated unions instead of boolean flags for state management and API responses
Use mapped types for transforming object types
Use conditional types for type-level logic
Leverage template literal types for string manipulation at the type level
Use ES6 imports/exports consistently
Use default exports sparingly, prefer named exports
Document functions with JSDoc comments including @param, @returns, @throws, and @example tags
Create custom error classes that extend Error for specific error types
Use the Result pattern for error handling instead of throwing exceptions
Use optional chaining (?.) and nullish coalescing (??) operators for safe property access
Let TypeScript infer obvious types to reduce verbosity
Use const assertions with as const for literal types
Use satisfies operator for type checking without widening types
Declare readonly arrays and objects for immutable data structures
Use spread operator and array spread for immutable updates instead of mutations
Use lazy loading for large types...

Files:

  • packages/nextjs/src/server/keyless-node.ts
  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
**/*.{js,ts,jsx,tsx}

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  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
**/*.{js,ts,jsx,tsx,json,md,yml,yaml}

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  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/src/keyless/index.ts
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Keep reviews short: flag only issues that make the PR unsafe to merge.
Group similar issues into a single comment instead of posting multiple notes.
Skip repetition: if a pattern repeats, mention it once at a summary level only.
Do not add general suggestions, focus strictly on merge-blocking concerns.
If there are no critical problems, respond with minimal approval (e.g., 'Looks good'). Do not add additional review.
Avoid line-by-line commentary unless it highlights a critical bug or security hole.
Highlight only issues that could cause runtime errors, data loss, or severe maintainability issues.
Ignore minor optimization opportunities, focus solely on correctness and safety.
Provide a top-level summary of critical blockers rather than detailed per-line notes.
Comment only when the issue must be resolved before merge, otherwise remain silent.
When in doubt, err on the side of fewer comments, brevity and blocking issues only.
Avoid posting any refactoring issues.

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  • packages/tanstack-react-start/src/server/clerkMiddleware.ts
  • packages/shared/src/keyless/index.ts
  • packages/tanstack-react-start/src/utils/feature-flags.ts
**/index.ts

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🧬 Code graph analysis (2)
packages/nextjs/src/server/keyless-node.ts (5)
packages/tanstack-react-start/src/server/keyless/fileStorage.ts (1)
  • createFileStorage (12-19)
packages/nextjs/src/server/fs/utils.ts (3)
  • nodeFsOrThrow (29-29)
  • nodePathOrThrow (29-29)
  • nodeCwdOrThrow (29-29)
packages/shared/src/keyless/index.ts (2)
  • createNodeFileStorage (9-9)
  • createKeylessService (12-12)
packages/shared/src/keyless/service.ts (1)
  • createKeylessService (148-206)
packages/nextjs/src/server/createClerkClient.ts (1)
  • createClerkClientWithOptions (34-35)
packages/tanstack-react-start/src/utils/feature-flags.ts (3)
packages/nextjs/src/server/constants.ts (1)
  • KEYLESS_DISABLED (27-27)
packages/shared/src/underscore.ts (1)
  • isTruthy (118-152)
packages/shared/src/getEnvVariable.ts (1)
  • getEnvVariable (18-50)
🪛 GitHub Actions: CI
packages/shared/src/keyless/index.ts

[error] 1-1: @clerk/shared#build: pnpm run build exited with code 1.

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🔇 Additional comments (1)
packages/nextjs/src/server/keyless-node.ts (1)

24-47: No action needed. The frameworkVersion property is explicitly optional in KeylessServiceOptions (marked with ?), and the code safely handles its absence—the metadata header is only set when the value is provided. This is intentional design, not a bug.

Likely an incorrect or invalid review comment.

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