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Changelog

All notable changes to LevelCode will be documented in this file.

The format is based on Keep a Changelog, and this project adheres to Semantic Versioning.

[0.3.3] - 2026-02-09

Fixed

  • Cross-verified all 35 providers — found and fixed 4 routing bugs
  • fireworks-ai wrong ID in aggregator fallback list (should be fireworks)
  • AWS Bedrock aws-credentials auth type was silently sending no headers
  • Azure OpenAI empty baseUrl caused URL construction crash — added guard with helpful error
  • Perplexity baseUrl missing /v1 suffix
  • Added groq and aihubmix to aggregator fallback list
  • Fixed provider-test.ts to handle aws-credentials auth type

[0.3.2] - 2026-02-09

Fixed

  • Added "never truncate" quality standards to ALL team agent system prompts
  • Agents no longer self-truncate with "due to length constraints"
  • Context-pruner handles overflow automatically — agents write complete implementations

[0.3.1] - 2026-02-09

Fixed

  • Added context-pruner to all 12 team agent spawnableAgents lists
  • Senior engineers, managers, staff engineers etc. can now spawn context-pruner without errors

[0.3.0] - 2026-02-09

Added — TUI Component Library (16 primitives)

  • Panel — Bordered container with animated fade-in, BOLD title, decorative separator, surface background
  • ListNavigator — Scrollable list with ▸ focus arrow, ✦ active badge, group headers, scroll indicators, mouse click
  • TabView — Tabbed content with │ separators, number key shortcuts (1-9)
  • SearchInput — Magnifying glass icon, blinking cursor, result count
  • StatusBadge — Pulsing green dot for connected, blinking red for error
  • KeyHint — ‹Esc› Close · ‹Enter› Select keyboard shortcut hints
  • ConfirmDialog — Yes/No with Left/Right nav, Y/N shortcuts, danger variant
  • MultiSelect — Checkbox list with Space toggle, "N of M selected" counter
  • TextInput — Proper input with blinking cursor, password masking, label
  • BreadcrumbNav — ✓ Done › Current › Future step trail for wizards
  • Toast — Auto-dismissing notifications with variant icons (✓/✕/⚠/ℹ)
  • Spinner — Animated braille ⠋⠙⠹⠸⠼⠴⠦⠧⠇⠏ at 80ms frames
  • Divider — Solid/dashed/dotted section separator with optional label
  • Table — Aligned columns with BOLD headers, striped rows, empty state
  • Alert — Bordered inline info/success/warning/error messages with icons
  • Switch — ◉ ON / ○ OFF boolean toggle with click support

Added — Universal OAuth System

  • Generic PKCE flow (oauth-flow.ts) — provider-agnostic authorization
  • Localhost HTTP callback server (oauth-callback-server.ts) — auto-captures tokens
  • Token encryption at rest (oauth-storage.ts) — AES-256-CBC with machine-derived key
  • OAuth provider configs: Google Gemini, GitHub Models, Azure AD, OpenRouter, Claude
  • /connect and /disconnect slash commands
  • OAuth Zustand store with connection status tracking
  • OAuth tab in Settings panel showing per-provider connection status
  • Startup initialization: auto-loads connection statuses, starts background token refresh
  • Env var detection: GOOGLE_OAUTH_CLIENT_ID, GITHUB_OAUTH_CLIENT_ID, AZURE_OAUTH_CLIENT_ID, OPENROUTER_OAUTH_CLIENT_ID

Added — Smart Model Routing

  • isClaudeModel() guard prevents non-Anthropic models hitting Anthropic SDK
  • Aggregator fallback (Case 3): OpenRouter-style model IDs (org/model) auto-route to configured aggregators
  • getDefaultModel() — fallback when requested model unavailable
  • getAvailableModels() and isModelAvailable() helpers
  • OPEN_ROUTER_API_KEY and CODEBUFF_BYOK_OPENROUTER env var support (in addition to OPENROUTER_API_KEY)
  • Model picker merges catalog models + provider-specific models — shows all available

Added — Multi-Provider Web Search (5 providers)

  • Tavily (free: 1,000 queries/month) — AI-summarized answers
  • Brave Search (free: 2,000 queries/month) — high quality results
  • Serper (free: 2,500 queries) — Google search results
  • SearXNG (free forever, self-hosted) — open source metasearch
  • DuckDuckGo (free forever, no key) — always-available fallback
  • Automatic fallback chain with searchWithFallback()
  • Web search works in standalone mode without LevelCode backend

Added — Team System Improvements

  • Commander/team-lead bypasses ALL phase restrictions
  • Per-member toolOverrides — commander can grant (allowed) or revoke (blocked) tools
  • Teams use user's swarmDefaultPhase setting (no more forced "planning")
  • resolveActiveTeam() with proper priority: Zustand → last-active marker → disk
  • setLastActiveTeam() after phase transitions for persistence
  • maxMembers default raised to 999 (effectively limitless)
  • Phase transition messages explicitly inform agent of unlocked tools
  • Quality standards in all team agent prompts — "never truncate, never stub"

Changed — Redesigned Screens

  • Model Picker — Panel + SearchInput + ListNavigator with provider groups, colored capability badges [R]=blue [V]=green [T]=yellow, cost display, available vs unconfigured models sorted
  • Provider Wizard — BreadcrumbNav step trail, back navigation (Backspace), TextInput for API keys with masking, Spinner during test, auto-sets first model as active
  • Settings Panel — 4 tabs (General/Providers/OAuth/Theme), interactive Switch toggle for auto-detect, +/- for catalog refresh hours, OAuth connection status per provider, color palette preview
  • Help Modal — F1 shortcut, 3 tabs (Shortcuts/Commands/About), grouped shortcuts by category, full command list
  • Status Bar — Shows active provider/model alongside timer and team indicator

Fixed

  • <span> must be inside <text> crash — all <span style= converted to direct attributes
  • Ripgrep binary discovery: added system PATH, scoop/choco/cargo locations, monorepo walk-up
  • Model picker showing 0 models — merged catalog + provider models
  • PKCE verifier bug — codeVerifierRef persists verifier across OAuth flow
  • Claude OAuth authorization URL corrected to claude.ai/oauth/authorize
  • Provider wizard auto-creates provider entry for OAuth-only connections
  • /help now opens the help modal instead of inline text

[0.2.7] - 2026-02-08

Fixed

  • Resolved TUI component crashes in provider commands (invalid bold style prop)

[0.2.5] - 2026-02-08

Added

  • Universal multi-provider system with 35 providers across 9 categories
  • Provider registry (provider-registry.ts) with definitions for: Anthropic, OpenAI, Google, xAI, OpenRouter, Groq, Together, Fireworks, Mistral, DeepSeek, Cohere, Perplexity, Replicate, Alibaba, Moonshot, Ollama, LM Studio, Nvidia, Cerebras, DeepInfra, AWS Bedrock, Azure OpenAI, GitHub Models, and more
  • Provider configuration persistence at ~/.config/levelcode/providers.json
  • Model catalog from models.dev/api.json with local caching
  • Auto-detection of local providers (Ollama, LM Studio)
  • Provider wizard TUI for adding providers (/provider:add)
  • Model picker TUI for browsing and selecting models (/models)
  • Settings panel TUI (/settings)
  • Provider test command (/provider:test)
  • Slash commands: /provider:add, /provider:list, /provider:remove, /provider:test, /model:list, /model:set, /model:info, /settings

Fixed

  • Resolved team context persistence and agent lifecycle gaps

[0.2.4] - 2026-02-08

Changed

  • Made Sage (main agent) aware of team/swarm tools and capabilities

[0.2.3] - 2026-02-08

Fixed

  • Added spawn_agents to junior-engineer toolNames

[0.2.2] - 2026-02-07

Fixed

  • Corrected spawnableAgents IDs to match actual agent definitions
  • Resolved CI infrastructure issues
  • Updated all CI workflows to use master branch

[0.2.1] - 2026-02-07

Fixed

  • Resolved all code review issues for agent swarm system
  • Removed remaining legacy branding references from core runtime

[0.2.0] - 2026-02-07

Added

  • Complete agent swarm system with 100-agent capacity
  • Full role hierarchy from Intern (level 0) to CTO (level 13)
  • Spawn authority validation — agents can only spawn lower-ranked roles
  • Team analytics tracking

[0.1.0] - 2026-02-07

Added

  • Agent Swarms/Teams system for multi-agent coordination
  • 24 team roles from Intern to CTO with hierarchy
  • 21 agent templates (coordinator, manager, senior-engineer, researcher, designer, product-lead, intern, apprentice, junior-engineer, mid-level-engineer, staff-engineer, senior-staff-engineer, principal-engineer, distinguished-engineer, fellow, cto, vp-engineering, director, tester, sub-manager, scientist)
  • 7 new tools: TeamCreate, TeamDelete, SendMessage, TaskCreate, TaskGet, TaskUpdate, TaskList
  • 7 /team:* slash commands for team management
  • Development phase lifecycle: planning → pre-alpha → alpha → beta → production → mature
  • Inbox-based inter-agent messaging (DM, broadcast, shutdown, plan approval)
  • Team panel TUI component showing real-time team status
  • swarmEnabled setting and LEVELCODE_ENABLE_SWARMS env flag
  • File-based persistence at ~/.config/levelcode/teams/
  • Hook events: TeammateIdle, TaskCompleted, PhaseTransition

[0.0.12] - 2026-02-06

Fixed

  • Migrated credentials from legacy manicode config dir to levelcode

[0.0.11] - 2026-02-06

Changed

  • Complete LevelCode branding overhaul
  • Added OPENROUTER_BASE_URL and ANTHROPIC_BASE_URL env var support

[0.0.10] - 2026-02-06

Fixed

  • Resolved CLI backend URL and Vercel deployment issues
  • Vercel build configuration (outputFileTracingRoot, ENOENT fixes)

[0.0.9] - 2026-02-05

Added

  • Standalone mode — CLI/SDK work without backend using OPENROUTER_API_KEY or ANTHROPIC_API_KEY
  • Ads system with graceful degradation

[0.0.3] - 2026-02-05

Added

  • Initial npm publishing of SDK and CLI
  • Graceful env validation for open-source CLI

[0.0.1] - 2026-02-05

Added

  • Initial release of LevelCode
  • Multi-agent architecture: File Picker, Planner, Editor, Reviewer agents
  • Support for 200+ models via OpenRouter
  • TypeScript SDK for programmatic use
  • Terminal-first CLI with real-time streaming
  • Custom agent workflows with TypeScript generators
  • React-based terminal UI (OpenTUI)
  • Git integration
  • Evaluation benchmarks (BuffBench)

Version History

Version Date Highlights
0.3.3 2026-02-09 Cross-verify all 35 providers, fix 4 routing bugs
0.3.2 2026-02-09 "Never truncate" quality standards for agents
0.3.1 2026-02-09 context-pruner added to all team agents
0.3.0 2026-02-09 TUI overhaul (16 primitives), OAuth, smart routing, web search
0.2.7 2026-02-08 Fix TUI component crashes
0.2.5 2026-02-08 Universal multi-provider system (35 providers)
0.2.0 2026-02-07 Complete agent swarm system (100 agents)
0.1.0 2026-02-07 Agent swarms/teams, 24 roles, 7 tools
0.0.9 2026-02-05 Standalone mode
0.0.1 2026-02-05 Initial release