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@ding113 ding113 commented Jan 25, 2026

Summary

Release v0.5.1 - Major feature release with vendor-endpoint architecture, availability monitoring, connection pooling, and critical rate limit fixes.

Related Issues:

What's New in v0.5.1

🚀 Major Features

1. Vendor-Endpoint Architecture (#608)

  • Multi-endpoint support: Configure multiple endpoints per provider for high availability
  • Intelligent routing: Automatic endpoint selection based on health status and priority
  • Health probing: Real-time endpoint monitoring with probe history tracking
  • Circuit breakers: Dual-level protection (endpoint + vendor-type) for automatic failover
  • Database migration: New tables for provider_vendors, provider_endpoints, provider_endpoint_probe_logs

2. Availability Dashboard (#646)

  • Provider monitoring: Real-time availability metrics with confidence badges
  • Endpoint visualization: Latency curves, probe grids, and probe terminal
  • Time range selection: Flexible time windows with auto-refresh
  • Overview metrics: Gauge cards for system-wide health indicators

3. Agent Pool for Connection Management (#646)

  • HTTP/2 connection pooling: Reusable agents with LRU eviction
  • Memory leak prevention: Proper agent lifecycle management with TTL-based expiration
  • Health tracking: SSL certificate error detection with automatic agent replacement
  • Race condition prevention: Concurrent request handling with proper stats tracking

4. Enhanced Logs UI (#654)

  • Modular filters: Improved filtering with better UX
  • Error details: Enhanced error information display
  • Performance: Optimized rendering for large log datasets

🐛 Critical Fixes

User Rate Limit Enforcement (#643) - Fixes #634

Problem: User-level limits (5h/daily/weekly/monthly/concurrent sessions) were not enforced due to incorrect null-checking logic treating 0 as falsy.

Solution:

  • Fixed validation logic in key actions to properly handle 0 (unlimited) vs null (not set)
  • Added user concurrent session enforcement in rate limit pipeline
  • Extended session tracking to support user-level counting
  • Populated missing user limit fields in database queries

Impact: Keys can no longer bypass user quotas. User-level limits now properly enforced across all dimensions.

Provider Failover Logic (#633) - Fixes #629

Problem: When a provider redirected models (e.g., claude-*glm-*), failover logic used the redirected model name, causing premature provider exhaustion.

Solution:

  • Use getOriginalModel() instead of getCurrentModel() for provider selection
  • Ensure failover validates against user's originally requested model
  • Made response converters tolerant of unexpected tool_result blocks

Impact: Proper failover to backup providers when primary provider fails, even with model redirects.

Endpoint Stickiness on Retries (#651) - Partially addresses #629

Problem: Retry logic cycled through endpoints for both network and HTTP errors, causing suboptimal retry behavior.

Solution:

  • Introduced currentEndpointIndex to track endpoint selection independently from attemptCount
  • SYSTEM_ERROR (network failures): Advances to next endpoint
  • PROVIDER_ERROR (HTTP 4xx/5xx): Maintains same endpoint (sticky behavior)
  • No wrap-around when endpoints exhausted

Impact: Smarter retry behavior - network errors try different endpoints, HTTP errors retry same endpoint.

SSL Certificate Error Detection (#646)

  • Added isSSLCertificateError() function to detect SSL/TLS errors
  • Mark agents as unhealthy when SSL errors occur
  • Trigger agent replacement on next request
  • Limit endpoint candidates to maxRetryAttempts to prevent excessive retries

🎨 UX Improvements

Dashboard Enhancements (#650, #637)

  • Token statistics modal: Detailed breakdown (input/output/cache tokens)
  • Expiry countdown badge: Shows days remaining when ≤7 days
  • Cache hit rate indicators: Color-coded visualization (green ≥85%, yellow ≥60%, orange <60%)
  • Live sessions panel: Improved status display with concurrent count
  • Chart improvements: Fixed tooltip styling, dynamic locale support

Provider Form Refactoring (#637)

  • Modular architecture: Split 2215-line monolithic form into 8 focused files
  • Scroll navigation: Vertical scroll with auto-updating tab indicators
  • React Context + useReducer: Clean state management
  • Removed deprecated types: claude-auth, gemini-cli no longer available
  • Quick Paste feature: Auto-parse provider credentials from clipboard

🔧 Additional Improvements

Session Management (#646)

  • Batch concurrent count query (getConcurrentCountBatch()) to avoid N+1 queries
  • Session status utilities (getSessionDisplayStatus()) for consistent status calculation
  • Added concurrentCount field to ActiveSessionInfo type

Thinking Signature Rectifier (#646)

  • Handle "Extra inputs are not permitted" error from third-party APIs
  • Support channels that don't accept signature field in thinking blocks

i18n Updates

  • Comprehensive translations for availability dashboard across all 5 languages
  • Network section translations for provider form (proxy settings)
  • Fixed hardcoded zh-CN locale in chart components

Database Migration

Migration 0056 includes:

  • New tables: provider_vendors, provider_endpoints, provider_endpoint_probe_logs
  • New column: provider_vendor_id on providers table (auto-backfilled from URL domains)

To apply:

bun run db:migrate

Or enable AUTO_MIGRATE=true in environment variables.

Breaking Changes

No breaking changes - All changes are backward compatible.

  • Existing providers automatically migrated to vendor-endpoint structure
  • API signatures remain unchanged
  • Existing configurations require no manual updates

Files Changed

  • 100 files modified (39,862 additions, 4,438 deletions)
  • Core areas: Proxy pipeline, rate limiting, session tracking, dashboard UI, provider management
  • i18n: All 5 languages updated (en, ja, ru, zh-CN, zh-TW)
  • Tests: Comprehensive test coverage for new features and fixes

Testing

Pre-merge Checklist

  • bun run build - Production build passes
  • bun run lint - Biome check passes
  • bun run typecheck - TypeScript check passes
  • bun run test - All unit tests pass
  • Database migration tested
  • All merged PRs individually reviewed and tested

Manual Testing Recommended

  1. Verify rate limit enforcement (user and key levels)
  2. Test provider failover with multiple endpoints
  3. Check availability dashboard displays correctly
  4. Verify endpoint probe functionality
  5. Test provider form in vendor view mode
  6. Confirm logs UI filtering works correctly

Upgrade Notes

  1. Database Migration Required: Run bun run db:migrate or enable AUTO_MIGRATE=true
  2. Rate Limits Now Enforced: User-level limits will now be properly enforced. Review user limit configurations.
  3. Deprecated Provider Types Removed: claude-auth and gemini-cli are no longer available in UI
  4. New Features Available: Explore vendor-endpoint management in Settings > Providers (Vendor view)

Contributors


Full Changelog: v0.4.3...v0.5.1

Description enhanced by Claude AI

Greptile Overview

Greptile Summary

This is a major feature release (v0.5.1) introducing vendor-endpoint architecture, availability monitoring, connection pooling, and critical bug fixes for rate limiting and provider failover.

Key Changes

Critical Fixes:

Major Features:

Database Migration:

  • Migration 0056 adds provider_vendors, provider_endpoints, provider_endpoint_probe_logs tables with proper indexes and foreign keys.
  • Auto-backfills provider_vendor_id from existing URL domains.

UI/UX Improvements:

Issues Found

  • Version mismatch: VERSION and package.json show 0.5.0 but PR title indicates v0.5.1 - needs correction

Confidence Score: 4/5

  • Safe to merge after fixing version mismatch - changes are well-tested with comprehensive test coverage
  • Score of 4 reflects solid implementation of complex features with only minor version inconsistency issue. The rate limit fix addresses a critical security bug, failover logic improvements prevent service degradation, and new architecture is well-designed with proper database migrations and comprehensive tests. Version mismatch is trivial to fix.
  • VERSION and package.json need version correction to 0.5.1

Important Files Changed

Filename Overview
VERSION Version mismatch - file shows 0.5.0 but PR title indicates v0.5.1
package.json Version field shows 0.5.0, inconsistent with PR title v0.5.1
src/actions/keys.ts Fixed critical rate limit validation bug by properly checking null vs 0 values
src/app/v1/_lib/proxy/rate-limit-guard.ts Added user-level concurrent session enforcement, completing rate limit coverage
src/app/v1/_lib/proxy/provider-selector.ts Improved provider selection with model matching using getOriginalModel for proper failover
src/app/v1/_lib/proxy/forwarder.ts Implemented endpoint stickiness with separate endpoint tracking for smart retry behavior
src/lib/proxy-agent/agent-pool.ts New agent pool with HTTP/2 support, LRU eviction, health tracking, and race condition protection
drizzle/0056_tidy_quasar.sql New vendor-endpoint architecture with 3 tables, proper indexes, and foreign key constraints

Sequence Diagram

sequenceDiagram
    participant Client
    participant ProxyForwarder
    participant RateLimitGuard
    participant ProviderSelector
    participant EndpointSelector
    participant AgentPool
    participant CircuitBreaker
    participant Provider

    Client->>ProxyForwarder: API Request
    ProxyForwarder->>RateLimitGuard: Check Rate Limits
    
    Note over RateLimitGuard: Check in order:<br/>1. Key/User Total Limits<br/>2. Key/User Concurrent Sessions<br/>3. User RPM<br/>4. Key/User 5h/Daily/Weekly/Monthly
    
    alt Rate Limit Exceeded
        RateLimitGuard-->>Client: 429 Rate Limit Error
    end
    
    RateLimitGuard->>ProviderSelector: Select Provider
    ProviderSelector->>ProviderSelector: Filter by Group/Model/Format
    ProviderSelector->>CircuitBreaker: Check Circuit State
    
    alt Circuit Open
        ProviderSelector->>ProviderSelector: Exclude Provider
    end
    
    ProviderSelector->>ProviderSelector: Select by Priority/Weight
    ProviderSelector-->>ProxyForwarder: Selected Provider
    
    ProxyForwarder->>EndpointSelector: Get Endpoints for Vendor
    EndpointSelector-->>ProxyForwarder: Endpoint List (sorted by latency)
    
    loop Retry Logic (Endpoint Stickiness)
        ProxyForwarder->>AgentPool: Get/Create Agent
        
        alt Agent Unhealthy
            AgentPool->>AgentPool: Evict & Create New
        end
        
        AgentPool-->>ProxyForwarder: HTTP Agent
        
        ProxyForwarder->>Provider: Forward Request via Endpoint
        
        alt Network Error (SYSTEM_ERROR)
            Provider-->>ProxyForwarder: Network Failure
            ProxyForwarder->>CircuitBreaker: Record Endpoint Failure
            ProxyForwarder->>ProxyForwarder: Advance to Next Endpoint
        else HTTP Error (PROVIDER_ERROR)
            Provider-->>ProxyForwarder: HTTP 4xx/5xx
            ProxyForwarder->>ProxyForwarder: Retry Same Endpoint
        else Success
            Provider-->>ProxyForwarder: Success Response
            ProxyForwarder->>CircuitBreaker: Record Endpoint Success
        end
    end
    
    alt All Endpoints Failed
        ProxyForwarder->>ProviderSelector: Select Next Provider
        ProviderSelector-->>ProxyForwarder: Fallback Provider
    else All Providers Failed
        ProxyForwarder-->>Client: 503 No Available Providers
    else Request Succeeded
        ProxyForwarder-->>Client: Success Response
    end
Loading

ding113 and others added 26 commits January 21, 2026 23:30
…#635)

When upgrading from older versions, existing providers were incorrectly
grouped under "Unknown Vendor #0" instead of being auto-aggregated by
their website domain.

Changes:
- Add backfillProviderVendorsFromProviders() to auto-create vendors from
  provider URLs during startup
- Add deriveDisplayNameFromDomain() to generate display names from domains
- Integrate vendor backfill into instrumentation.ts startup flow
- Fix providerVendorId type to allow null (Schema, Type, Transformer)
- Add vendorId=-1 protection for orphaned providers in frontend
- Add i18n keys for orphanedProviders in 5 languages

The backfill runs idempotently on startup, processing providers with
null or 0 vendorId, extracting domains from websiteUrl (preferred) or
url, and creating/associating vendors accordingly.
…ering (#636)

* fix(providers): auto-backfill vendor aggregation for legacy providers

When upgrading from older versions, existing providers were incorrectly
grouped under "Unknown Vendor #0" instead of being auto-aggregated by
their website domain.

Changes:
- Add backfillProviderVendorsFromProviders() to auto-create vendors from
  provider URLs during startup
- Add deriveDisplayNameFromDomain() to generate display names from domains
- Integrate vendor backfill into instrumentation.ts startup flow
- Fix providerVendorId type to allow null (Schema, Type, Transformer)
- Add vendorId=-1 protection for orphaned providers in frontend
- Add i18n keys for orphanedProviders in 5 languages

The backfill runs idempotently on startup, processing providers with
null or 0 vendorId, extracting domains from websiteUrl (preferred) or
url, and creating/associating vendors accordingly.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix(probe): remove success log filtering to enable latency curve rendering

Problem:
- Endpoint probe scheduler runs correctly every 10s
- But successful probes were filtered by 60s sampling threshold
- ~5/6 success probes not recorded to history table
- Frontend latency curve could not be rendered

Solution:
- Remove shouldLogScheduledSuccess() filtering function
- Remove SUCCESS_LOG_MIN_INTERVAL_MS constant
- Always call recordProviderEndpointProbeResult() for all probes
- Change default retention from 7 days to 1 day (storage: ~40MB/day)
- Update .env.example to reflect new behavior
* refactor(providers): modular provider form with vertical scroll navigation

- Refactor monolithic provider-form.tsx into modular architecture
- Implement vertical scroll navigation replacing tab switching
- Remove deprecated provider types: claude-auth, gemini-cli
- Make openai-compatible permanently available (no feature flag)
- Add framer-motion for smooth animations
- Remove asterisks from i18n labels (SmartInputWrapper handles required markers)
- Update provider types in vendor view and keys list
- Add sections i18n for new form structure

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* chore: format code (feat-provider-form-refactor-6bc06d5)

* feat(dashboard): add bento grid layout with glassmorphism design

- Add BentoGrid and BentoCard components with subtle glass morphism styling
- Add BentoMetricCard with icon, trend badge, and comparison data support
- Add LeaderboardCard with progress bars for user/provider/model rankings
- Add LiveSessionsPanel for real-time session monitoring
- Add StatisticsChartCard with time range selector and user filtering
- Support light/dark mode with appropriate contrast
- Reduce shadow intensity for cleaner visual design

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(dashboard): add comparison metrics and RPM to bento cards

Add yesterday same-period comparison data for dashboard metric cards:
- Concurrent sessions shows real-time RPM (requests per minute)
- Today requests/cost/response time compare vs yesterday same period
- Support user-scoped data for non-admin users when global view disabled
- Add i18n translations for rpm and vsYesterday labels (5 languages)
- Include dashboard page and metric card updates

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(settings): enhance UI with new components and translations

- Add new translation keys for notification and client version stats
- Implement page transition animations and responsive layout improvements
- Update form components with consistent styling and accessibility
- Add icon support to settings sections and navigation items
- Improve table skeletons and loading states
- Refactor notification cards and webhook targets section
- Optimize provider form layout and validation

* chore: format code (feat-provider-form-refactor-6e7e96e)

* style(ui): update component styling to use consistent muted colors

replace dark mode specific background and border colors with theme-aware muted variants to improve consistency and maintainability across the application

* feat(providers): improve form handling and translations

- Add new labelEdit translations for API key field in edit mode
- Update icon size in section card component
- Refactor provider form to handle URL resolution and key updates more cleanly
- Reset form state after successful submission

* refactor(provider-form): simplify form data handling and remove unused imports

Clean up form data construction logic by separating base fields from conditional ones
Remove unused Label import and urlResolver prop
Improve tab navigation mapping by removing unused index parameter

* refactor(provider-form): clean up unused imports and variables

Remove unused imports from provider-form-types.ts
Rename unused displayValue to _displayValue in network-section
Remove unused TAB_CONFIG import and rename unused scrollTop to _scrollTop in index.tsx

* feat(dashboard): improve bento grid components

- Add dynamic height calculation for live sessions panel
- Make BentoCard accept refs with forwardRef
- Add select/deselect all buttons to statistics chart
- Allow non-percentage values in metric card comparisons

* feat(endpoint-latency): add tooltip and average latency display to sparkline

Add interactive tooltip showing latency values on hover and display average latency for the last 5 minutes

* style(settings): remove unnecessary line breaks in sparkline component

* fix(metric-card): use spread operator for comparison props

* feat(providers): add batch edit and quick paste features

- Implement batch edit functionality for providers including selection, edit, delete and circuit reset
- Add quick paste feature to extract provider info from clipboard text
- Introduce multi-select mode with toolbar and action buttons
- Create batch edit dialog with field toggles and confirmation
- Add clipboard utils and provider text parser for quick paste
- Include translations for new features in multiple languages
- Add unit tests for provider text parsing logic

* feat(providers): add quick paste feature and batch operations tests

add quick paste translations for multiple languages
implement comprehensive unit tests for provider batch operations

* chore: format code (feat-provider-form-refactor-f37e60e)

* feat(i18n): add missing translations for session status and loading states

- Add loading and unknownUser translations for active sessions panel
- Add status translations (running, init, idle, error, done) for all supported languages
- Update LiveSessionsPanel to use translated status labels
- Add keyboard navigation support to BentoCard components
- Fix animation cleanup in MetricCard component
- Add Tooltip mock to sparkline test

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
* Fix user rate limit enforcement

* chore: format code (fix-rate-limit-user-limits-d46e1e6)

* Fix i18n errors and user limit parsing

* chore: format code (fix-rate-limit-user-limits-fd82bf6)

* fix: resolve TypeScript type conversion error in transformers test (#645)

Fixed TypeScript error TS2352 by adding intermediate 'unknown' cast
when converting User type to Record<string, unknown> for dynamic
field access in test assertions.

Error: Conversion of type 'User' to type 'Record<string, unknown>'
may be a mistake because neither type sufficiently overlaps with
the other.

Solution: Added intermediate cast to 'unknown' as suggested by
TypeScript compiler.
…k settings

- Add availability dashboard i18n keys for overview, provider, and endpoint sections
- Add network section translations for provider form (proxy settings)
- Update customs and dashboard translations for all 5 languages (en, ja, ru, zh-CN, zh-TW)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
…miting

- Add isSSLCertificateError() function to detect SSL/TLS errors (hostname mismatch, expired certs, self-signed)
- Limit endpoint candidates to maxRetryAttempts to prevent excessive retries
- Use Agent Pool for cached HTTP/2 connections to prevent memory leaks
- Track directConnectionCacheKey for SSL error handling
- Add unit tests for SSL error detection and retry limit logic

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
…rectifier

- Add detection for "signature: Extra inputs are not permitted" error
- Support third-party API channels that don't accept signature field
- Reuse existing rectifier logic for consistency
- Add unit tests for extra signature field detection

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
…ilities

- Add SessionTracker.getConcurrentCountBatch() for efficient N+1 query avoidance
- Add concurrentCount field to ActiveSessionInfo type
- Create session-status.ts with status calculation utilities
- Update active-sessions action to support batch queries
- Add unit tests for session status calculation

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Add AgentPool class for centralized agent lifecycle management
- Implement LRU-style eviction with configurable TTL and max size
- Support health tracking for detecting SSL certificate errors
- Add cache key generation based on endpoint + proxy + http2 config
- Re-export pool utilities from proxy-agent.ts
- Add comprehensive unit tests for agent pool behavior

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
…mponents

- Add AvailabilityDashboard main component with tab navigation
- Create overview section with GaugeCard for metrics visualization
- Add provider tab with ConfidenceBadge, LaneChart, LatencyChart
- Add endpoint tab with LatencyCurve, ProbeGrid, ProbeTerminal
- Implement shared components: FloatingProbeButton, TimeRangeSelector
- Improve AvailabilitySkeleton with realistic loading states
- Add comprehensive unit tests for all new components

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Optimize LiveSessionsPanel component structure
- Add dynamic item rendering with better state management
- Update DashboardBento integration
- Add unit tests for dynamic item behavior

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Fix chart component tooltip styling
- Enhance tag-input with better keyboard navigation
- Update network-section form styling consistency

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
… path

Remove erroneous cacheMisses-- in pending wait branch. The waiter request
never incremented cacheMisses (it exits early at pending check), so decrementing
would subtract from a different request's miss count, violating the invariant:
totalRequests === cacheHits + cacheMisses

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Fix duplicate JSON keys in ru/zh-TW dashboard.json (availability.timeRange, laneChart, etc.)
- Fix tag-input.tsx scroll offset bug: use viewport coords for fixed positioning
- Fix agent-pool.ts credential exposure: only use proxy origin in cache key
- Add missing type="button" to shared availability components

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Change status labels: ERROR->FAIL, IN_PROGRESS->BUSY, INITIALIZING->INIT
- Add status column to active-sessions-table with visual indicators
- Maintain consistent styling between live-sessions-panel and sessions table

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
* fix(my-usage): UI improvements for My Usage page

- Remove bold font from model name in usage logs table
- Rename "Quota Usage" to "Quota User Usage"
- Rename "Statistics Summary" to "Key Statistics"

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix(i18n): replace hardcoded zh-CN locale with dynamic locale in dashboard charts

- Use useLocale() from next-intl to get current locale
- Replace hardcoded "zh-CN" in toLocaleTimeString/toLocaleDateString/toLocaleString
- Move chartConfig inside component to use translated label
- Add locale to useMemo dependencies where needed

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix(i18n): translate database connection unavailable error message

- Add connectionUnavailable key to all 5 language files
- Use translated message in database-status.tsx when isAvailable is false
- Handle both HTTP 503 errors and status.error from API response

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix(provider-test): use configured proxy for model testing

Previously, the provider model test ignored the configured proxy URL and
always made direct connections. Now the test respects proxyUrl setting
by creating a dispatcher via createProxyAgentForProvider.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(i18n): add batchEdit translations and update group field description

- Add providersBatchEdit import to all 5 locale index.ts files
- Update provider group field description to mention select/create behavior

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix(ui): improve MCP passthrough select and raw response display

- Fix MCP passthrough select to show translated label instead of value
- Fix raw response overflow with break-all and overflow-x-hidden

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix(ui): adjust logs table column widths for better user visibility

Shrink Time column (flex 0.8→0.6, min-width 80→56px) and expand User column (flex 0.6→0.8) to show more of the username.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(ui): add color indicators for cache hit rate in leaderboard

Apply color coding to cache hit rate column: green (>=85%), yellow (60-84%), orange (<60%)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(ui): enhance user key statistics modal with token details

- Add token statistics (input, output, cache creation, cache read) to SQL queries
- Redesign key stats dialog with summary cards and compact model rows
- Add cache hit rate indicator per model with color coding
- Fix user limit refresh by clearing usage cache on refresh button click
- Add i18n translations for new modal fields (5 languages)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix(ui): improve group tooltip formatting in dashboard users

Add header and bullet list styling to group tooltips for consistency
with request-filters tooltip design.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(ui): add expiry countdown badge for user mode in dashboard

- Show compact badge with clock icon and days remaining when <= 7 days
- Display tooltip with full localized text on hover
- Rename column header from "Edit" to "Status" in user mode
- Add i18n support for all 5 languages (en, zh-CN, zh-TW, ja, ru)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* perf(ui): memoize chartConfig and daysLeft calculations

- Wrap chartConfig in useMemo to prevent recreation on every render
- Wrap daysLeft calculation in useMemo with localExpiresAt dependency

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* fix: address PR review feedback

- Move proxy creation into try/catch block (test-service.ts)
- Check 503 status before parsing JSON (database-status.tsx)
- Fix English grammar "User Quota Usage" (myUsage.json)
- Return null for expired keys in getDaysLeft (user-key-table-row.tsx)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

---------

Co-authored-by: John Doe <johndoe@example.com>
Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Only display users with non-zero usage (cost > 0 or calls > 0) in the
user legend below the statistics chart. This improves readability by
hiding inactive users while preserving color consistency through
original index tracking.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
- Non-network errors (PROVIDER_ERROR): keep same endpoint on retry
- Network errors (SYSTEM_ERROR): switch to next lowest-latency endpoint
- Endpoint exhaustion: stay at last endpoint without wrap-around
- Scope: single request only, no cross-request stickiness

Introduced `currentEndpointIndex` variable to track endpoint independently
from `attemptCount`. Only network errors (SYSTEM_ERROR) advance the index;
HTTP errors (PROVIDER_ERROR) keep the same endpoint for retry.
…rapper on OKLCH variables

The chart CSS variables (--chart-*, --destructive, --background) are defined in OKLCH
format in globals.css, but the latency charts wrapped them with hsl() causing color
parsing to fail. This fix uses var(--chart-*) directly in ChartConfig and var(--color-<key>)
for stroke/fill, matching the pattern used by other working charts.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
…ls (#654)

* feat(dashboard): enhance logs UI with modular filters and error details

- Refactor error-details-dialog into modular tab-based components:
  - SummaryTab: key metrics overview with cost, tokens, duration
  - LogicTraceTab: provider decision chain visualization with steps
  - PerformanceTab: TTFB gauge, latency breakdown, output rate
  - MetadataTab: session, client, billing info with timeline

- Extract filters into dedicated components for better maintainability:
  - TimeFilters, IdentityFilters, RequestFilters, StatusFilters
  - QuickFiltersBar for common filter presets (today, errors, retries)
  - ActiveFiltersDisplay for showing/clearing active filter tags

- Add column visibility management with localStorage persistence
- Add message redaction utility for sensitive data masking
- Add scroll-area component for consistent scrollable containers
- Add session reuse indicator (Link2 icon) in provider chain display
- Update i18n messages for all 5 languages

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(i18n): add session reuse details translations

Add additional i18n keys for session reuse UI including:
- Session info labels (session ID, request sequence, age)
- Session reuse selection descriptions
- Cache optimization hint text

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* feat(dashboard): enhance provider chain popover with session reuse UI

- Add session reuse indicator and details in provider chain popover
- Add i18n translations for ja, ru, zh-TW locales
- Minor table display improvements

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* chore: format code (feat-logs-ui-enhancement-d94d11d)

* refactor(dashboard): improve provider chain tooltip with detailed context

- Enhance tooltip for single requests with session reuse details
  (session age, priority, cost multiplier)
- Add selection funnel visualization for initial selection
  (total -> enabled -> healthy providers)
- Show candidate providers with probability when multiple at same priority
- Display cost multiplier and group tag badges in retry popover trigger
- Remove redundant provider summary tooltip from logs table

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* chore: format code (feat-logs-ui-enhancement-6b4f036)

* fix(dashboard): address bugbot review comments

- LogicTraceTab: include all filtered providers, not just rate_limited/circuit_open
- LogicTraceTab: add error handling for clipboard copy
- MetadataTab: fix costUsd === 0 being treated as no data
- PerformanceTab: include outputTokens in hasData check
- error-details-dialog: fix race condition in session messages check using requestId ref
- provider-chain-popover: normalize probability display (0-1 to percentage)
- usage-logs-view: add aria-label for icon-only buttons (accessibility)
- active-sessions-cards: use Link component instead of router.push to preserve locale

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

* chore: format code (feat-logs-ui-enhancement-e222e7a)

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
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@github-actions github-actions bot added the enhancement New feature or request label Jan 25, 2026
@github-actions github-actions bot added area:i18n size/XL Extra Large PR (> 1000 lines) labels Jan 25, 2026
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Summary of Changes

Hello @ding113, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request introduces a comprehensive set of features and improvements focused on enhancing observability, management, and user experience within the system. Key areas of focus include real-time provider health monitoring, a redesigned dashboard with richer metrics and active session insights, and a more detailed and organized view for request logs. The changes also streamline provider configuration and management through new UI elements and batch operations.

Highlights

  • Provider Endpoint Probing: Introduced a new feature for real-time monitoring of provider endpoint availability and performance. This includes new database tables (provider_endpoint_probe_logs, provider_endpoints, provider_vendors) and related configuration options in .env.example.
  • Dashboard Enhancements: The dashboard now features a new Bento Grid layout, including metric cards, live session panels, and leaderboard cards. The statistics chart has been updated with new functionalities like chart mode toggles (stacked/overlay) and user filtering.
  • Usage Log Details Improvement: The request details dialog in usage logs has been refactored into a tabbed interface (Summary, Logic Trace, Performance, Metadata) for better organization and presentation of information.
  • Provider Management UI Overhaul: Significant updates to the provider settings UI, introducing a 'Vendor' view, batch editing capabilities, and a 'Quick Paste' feature for easier provider configuration.
  • Internationalization Updates: Extensive additions and modifications to English, Japanese, Russian, Simplified Chinese, and Traditional Chinese message files to support the new features and UI changes.
  • Version Bump: The project version has been updated from 0.4.3 to 0.5.0.
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Code Review Summary

This is a massive release PR (v0.5.1) merging dev into main with significant changes across the codebase. After thorough analysis, I've identified one CRITICAL issue that must be addressed before merging.

PR Size: XL

  • Lines changed: 44,300 (39,862 additions + 4,438 deletions)
  • Files changed: 350

⚠️ CRITICAL: This PR is extremely large and should be split into smaller, reviewable chunks. A PR of this size:

  • Makes thorough code review nearly impossible
  • Increases risk of introducing bugs
  • Makes it difficult to identify the root cause if issues arise
  • Violates best practices for incremental delivery

Recommendation: Future releases should be broken down into feature-specific PRs (e.g., agent pool implementation, availability dashboard, provider endpoints refactor, etc.) that can be reviewed and merged incrementally.


Issues Found

Category Critical High Medium Low
Standards Violation 1 0 0 0
Error Handling 0 0 1 0
Code Quality 0 0 1 0

Critical Issues (Must Fix)

1. [CRITICAL] Wrong PR Target Branch (CLAUDE.md violation)

Location: PR configuration
Issue: This PR targets main branch, but CLAUDE.md explicitly requires all PRs to target dev branch.

Evidence from CLAUDE.md:

PR Target Branch: dev (all pull requests must target the dev branch)

Impact: Bypasses the intended branching strategy, potentially skipping integration testing and staging validation.

Fix Required: Close this PR and recreate it targeting dev branch instead of main.

Confidence Score: 100/100


Medium Priority Issues (Consider Fixing)

1. Client-Side Error Logging Pattern

Locations: Multiple client components use console.error instead of proper error handling:

  • src/app/[locale]/dashboard/availability/_components/availability-dashboard.tsx:64
  • src/app/[locale]/dashboard/logs/_components/error-details-dialog/index.tsx:116
  • src/app/[locale]/settings/providers/_components/forms/provider-form/index.tsx (multiple instances)
  • src/app/api/availability/endpoints/route.ts:42

Issue: While console.error is acceptable for client-side debugging, the API route at src/app/api/availability/endpoints/route.ts:42 should use the centralized logger for consistency and proper log aggregation.

Suggested fix for API route:

// Instead of:
console.error("Endpoint availability API error:", error);

// Use:
import { logger } from "@/lib/logger";
logger.error("Endpoint availability API error", { error });

Confidence Score: 85/100

2. Type Safety - Intentional any Usage

Locations:

  • src/repository/provider-endpoints.ts (lines with toProviderVendor, toProviderEndpoint, toProviderEndpointProbeLog)
  • src/repository/_shared/transformers.ts

Observation: These files use // eslint-disable-next-line @typescript-eslint/no-explicit-any with any types for database row transformers.

Assessment: This appears to be intentional design for handling dynamic database query results. The transformer functions validate and type-cast the data appropriately. While not ideal, this is a pragmatic approach for ORM result handling.

Recommendation: Consider using Drizzle's typed query results if possible, but current implementation is acceptable given the validation logic in place.

Confidence Score: 80/100 (intentional design, not a defect)


Positive Observations

Excellent test coverage: New features like agent-pool have comprehensive unit tests (467 lines of tests for 450 lines of implementation)
Good error handling: The AgentPoolImpl properly handles agent cleanup, TTL expiration, and LRU eviction
Type safety: Most new code uses proper TypeScript types with minimal any usage
Internationalization: All user-facing strings properly use i18n across 5 languages
Documentation: Complex modules like agent-pool.ts have clear JSDoc comments explaining purpose and behavior


Review Coverage

  • Logic and correctness - Reviewed
  • Security (OWASP Top 10) - No issues found
  • Error handling - Minor improvements suggested
  • Type safety - Acceptable with intentional any usage
  • Documentation accuracy - Good
  • Test coverage - Excellent for new features
  • Code clarity - Good
  • Standards compliance - CRITICAL violation found

Action Required

CRITICAL: This PR must be closed and recreated targeting the dev branch per CLAUDE.md requirements. The main branch should only receive merges from dev after proper validation.


Automated review by Claude AI

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Code Review

此 Pull Request 为 v0.5.0 版本引入了大量新功能和改进,包括一个全新设计的仪表盘(采用 bento 网格布局)、一个新的供应商可用性监控页面,以及大幅增强的用量日志筛选和详情视图。数据库 schema 已更新,以支持新的供应商/服务商/端点模型。代码质量总体较高,很好地运用了现代 React hooks 和服务器操作。

我发现了一个数据库迁移中的关键问题,可能会影响现有部署。此外,还存在一个版本号不一致的小问题和一个可能导致混淆的环境变量配置。请查看具体评论以获取建议。

"updated_at" timestamp with time zone DEFAULT now()
);
--> statement-breakpoint
ALTER TABLE "providers" ADD COLUMN IF NOT EXISTS "provider_vendor_id" integer;--> statement-breakpoint

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critical

ALTER TABLE "providers" ADD COLUMN IF NOT EXISTS "provider_vendor_id" integer; 语句添加了一个可为空的整数列。然而,相应的快照文件 drizzle/meta/0056_snapshot.json 将此列定义为 notNull: true。对于已有数据的表,这将导致新列的值为 NULL,与应用程序的 schema 定义(Drizzle schema object)冲突,很可能在运行时引发错误。

为了确保迁移的安全性,建议分步操作:

  1. 添加可为空的列。
  2. 编写一个数据迁移脚本,为 providers 表中的现有行填充 provider_vendor_id 的值。
  3. 添加 NOT NULL 约束。

Comment on lines 119 to 120
PROBE_INTERVAL_MS=30000
PROBE_TIMEOUT_MS=5000

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medium

PROBE_INTERVAL_MSPROBE_TIMEOUT_MS 这两个变量似乎已被新的 ENDPOINT_PROBE_* 变量所取代。如果它们已不再使用,建议将其移除以避免配置混淆。如果它们仍用于其他目的,最好添加注释说明其具体用途。

@@ -1 +1 @@
0.4.3
0.5.0

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medium

此文件中的版本号已更新为 0.5.0package.json 中也是如此,但 Pull Request 的标题是 v0.5.1。请确保版本号在各处保持一致,以避免发布混淆。

{
"name": "claude-code-hub",
"version": "0.4.0",
"version": "0.5.0",

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medium

版本号已更新为 0.5.0,但 Pull Request 的标题是 v0.5.1。请确保 PR 标题、VERSION 文件和 package.json 中的版本号保持一致。

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1 file reviewed, 1 comment

Edit Code Review Agent Settings | Greptile

@@ -1 +1 @@
0.4.3
0.5.0
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VERSION file shows 0.5.0 but PR title says v0.5.1 - check which version is correct and ensure consistency

Prompt To Fix With AI
This is a comment left during a code review.
Path: VERSION
Line: 1:1

Comment:
VERSION file shows `0.5.0` but PR title says `v0.5.1` - check which version is correct and ensure consistency

How can I resolve this? If you propose a fix, please make it concise.

ding113 and others added 2 commits January 26, 2026 15:30
- Update UI highlight colors from accent to primary for better visual consistency
  across Calendar, Command, DropdownMenu, Select, and TagInput components
- Fix probability display in provider chain popover to handle out-of-range values
  (prevents 10000% display when value is already percentage-like)
- Add shouldHideOutputRate utility to hide misleading output rates for blocked
  streaming requests (when generationTime/duration < 0.1 and rate > 5000 tok/s)
- Fix batch key section toggle to use inverted logic matching add/edit forms
  (switch ON = independent personal usage page enabled)
- Update i18n labels: "Allow Web UI Login" -> "Independent Personal Usage Page"
- Add circuit breaker disabled state display when threshold is 0
- Add comprehensive unit tests for new functionality

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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2 files reviewed, 2 comments

Edit Code Review Agent Settings | Greptile

@@ -1 +1 @@
0.4.3
0.5.0
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Version file shows 0.5.0 but PR title indicates v0.5.1

Suggested change
0.5.0
0.5.1
Prompt To Fix With AI
This is a comment left during a code review.
Path: VERSION
Line: 1:1

Comment:
Version file shows `0.5.0` but PR title indicates `v0.5.1`

```suggestion
0.5.1
```

How can I resolve this? If you propose a fix, please make it concise.

{
"name": "claude-code-hub",
"version": "0.4.0",
"version": "0.5.0",
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package.json version should match the VERSION file and PR title

Suggested change
"version": "0.5.0",
"version": "0.5.1",
Prompt To Fix With AI
This is a comment left during a code review.
Path: package.json
Line: 3:3

Comment:
`package.json` version should match the VERSION file and PR title

```suggestion
  "version": "0.5.1",
```

How can I resolve this? If you propose a fix, please make it concise.

…tead of storage

Change STORE_SESSION_MESSAGES behavior from "skip storage when false" to
"always store but redact message content when false". This provides better
observability while protecting sensitive data by default.

Key changes:
- Backend-side redaction: Move redaction from frontend to backend
  (session-manager.ts, errors.ts) for security-in-depth
- Add redactResponseBody for response body redaction (OpenAI, Claude,
  Gemini, Codex formats)
- Add Gemini format support in redactRequestBody (contents[], parts[],
  systemInstruction)
- Fix SOCKS proxy URL parsing in agent-pool.ts (socks4://, socks5://)
- Update session status display labels (INIT, BUSY, FAIL)
- Fix test mocks and skip unreliable Dialog interaction tests

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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2 files reviewed, 2 comments

Edit Code Review Agent Settings | Greptile

@@ -1 +1 @@
0.4.3
0.5.0
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Version should be 0.5.1 to match PR title

Suggested change
0.5.0
0.5.1
Prompt To Fix With AI
This is a comment left during a code review.
Path: VERSION
Line: 1:1

Comment:
Version should be `0.5.1` to match PR title

```suggestion
0.5.1
```

How can I resolve this? If you propose a fix, please make it concise.

{
"name": "claude-code-hub",
"version": "0.4.0",
"version": "0.5.0",
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Version should be 0.5.1 to match PR title and VERSION file

Suggested change
"version": "0.5.0",
"version": "0.5.1",
Prompt To Fix With AI
This is a comment left during a code review.
Path: package.json
Line: 3:3

Comment:
Version should be `0.5.1` to match PR title and VERSION file

```suggestion
  "version": "0.5.1",
```

How can I resolve this? If you propose a fix, please make it concise.

@ding113 ding113 merged commit 39bc5e8 into main Jan 26, 2026
14 of 18 checks passed
@github-project-automation github-project-automation bot moved this from Backlog to Done in Claude Code Hub Roadmap Jan 26, 2026
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area:i18n enhancement New feature or request size/XL Extra Large PR (> 1000 lines)

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Status: Done

3 participants