- Add checkSessionError helper that re-raises errors stored on session.state.error after prompt() resolves silently when retries are exhausted
- Integrate checkSessionError in executor, triage, merger, and reviewer agents so existing catch blocks with isUsageLimitError can trigger UsageLimitPauser
- Add tests for checkSessionError and for each agent's error propagation path
- Add audit report documenting the error propagation gap
- Add changeset for the fix
- Add settings:updated event to TaskStore with previous/new settings payload
- Kill all active executor agent sessions when globalPause transitions false→true
- Kill all active triage specification sessions on global pause with clean status reset
- Track and dispose active merger session on global pause via onSession callback
- Add JSDoc documenting global pause behavior on executor and triage constructors
- Add UsageLimitPauser class and isUsageLimitError detector for rate limits, overloaded, and quota errors
- Integrate usage limit detection into executor, triage, and merger error handlers
- Wire shared UsageLimitPauser instance in dashboard startup across all agents
- Export UsageLimitPauser and isUsageLimitError from @kb/engine public API
- Add comprehensive tests for detector patterns and agent integration
- Extend AgentLogEntry with agent field and new event types (thinking, tool_end)
- Expand AgentLogger with thinking, tool_end callbacks and agent role support
- Wire new logging callbacks in createKbAgent and all agent call-sites (executor, merger, reviewer, triage, pi)
- Update AgentLogViewer with agent role badges and rendering for new entry types
- Export AgentRole and AgentLogType from core package and add tests for new functionality
- Add defaultThinkingLevel to core Settings types and exports
- Thread thinking level through engine executor, merger, reviewer, triage, and pi
- Add effort dropdown to Model settings UI in SettingsModal
- Add tests for thinking effort dropdown in SettingsModal
- Rename npm packages from @kb/* to @hai/* and update all workspace references
- Rename CLI binary from kb to hai and config directory from .kb to .hai
- Update dashboard UI branding, titles, and references from kb to hai
- Update all test files, CI workflows, and documentation to reflect new naming
- Run comprehensive grep verification to ensure no stale kb references remain
- Create logger module with log levels and structured output (packages/engine/src/logger.ts)
- Replace console.log/warn/error calls with structured logger across engine modules
- Export logger from engine package index
- Add comprehensive tests for logger functionality
- Clean up CI/release workflows and update docs
- Add defaultProvider and defaultModelId to ReviewOptions interface
- Forward model settings from store to createHaiAgent in reviewer
- Forward model settings from store to createHaiAgent in merger
- Pass settings from executor to reviewStep call
- Add tests for model settings threading in both reviewer and merger
- Add includeTaskIdInCommit boolean to Settings type with default true
- Refactor merger to dynamically build system prompt based on setting
- Update fallback commit message to respect the toggle
- Add checkbox to Settings UI under Merge section
- Add unit tests for merger and SettingsModal behavior
- Add AgentLogger class encapsulating log file management and structured logging
- Add comprehensive unit tests for AgentLogger
- Rewire executor, triage, and merger to use AgentLogger instead of inline logging
- Reduce duplication across agent modules
- Export AgentLogger from engine package index
- Add agent log persistence to triage agent with log capture and storage
- Add agent log persistence to merger agent with log capture and storage
- Add unit tests for triage agent log persistence
- Add unit tests for merger agent log persistence
- Extend AgentLogEntry type with optional detail field for tool metadata
- Thread tool args through engine executor callbacks to populate detail
- Render tool detail (name, args) in AgentLogViewer component
- Add unit tests for store, executor, and AgentLogViewer changes
- Release worktree back to pool when recycleWorktrees setting is enabled
- Skip worktree removal when released to pool, preserving it for reuse
- Fall through to force-remove behavior when pool is unavailable or recycling is disabled
- Add worktree-names module with adjective-animal name generator (generateWorktreeName)
- Update executor to assign humanized random worktree names and support dependency worktree reuse
- Remove task-ID fallback paths from merger and store; add shared worktree cleanup via findWorktreeUser
- Remove worktree pool module and related scheduler/integration tests
- Update dashboard worktree label tests and add JSDoc documentation for worktree naming
- Add recycleWorktrees setting to control worktree pooling behavior
- Implement WorktreePool class with acquire/release/prepareForTask lifecycle
- Integrate pool into executor: acquire warm worktrees, skip init command for pooled entries
- Integrate pool into merger: release worktrees to pool instead of removing on task completion
- Add comprehensive unit and integration tests for pool, executor, and merger interactions
- Add executor logic to resolve and reuse dependency worktrees for warm build caches
- Add reuseWorktree method that creates a new branch in an existing worktree
- Add findWorktreeUser helper to check if a worktree is shared across tasks
- Update executor and merger cleanup to skip worktree removal when still in use
- Add comprehensive tests for worktree reuse and conditional cleanup paths
