- Added model_usage table to persist most-recently-used model timestamps across sessions.
- Model selector now sorts fuzzy-matched results by usage recency.
- Schema version bumped to 3 for model_usage table.
- Removed unused currentModel field from ModelSelectorComponent.
- Plan mode provides structured workflow where agents propose plans for user approval before execution.
- Added plan:// internal URL protocol for accessing plan files and injecting plan-mode context into subagent prompts.
- Added plan mode toggle shortcut and paused status indicator in status line.
- Fixed plan reference injection to properly pass workflow state to plan-mode system prompts.
- Improved autocomplete fuzzy matching to support subsequence matching for skill suggestions.
- Removed duplicate hexToRgb and rgbToAnsi functions that were only used in foreground color conversion.
- Reused colorToAnsi for background colors by applying ANSI code substitution instead of reimplementing the full logic.
- Exposed mergeCallAndResult and inline rendering options from tools to their wrappers.
- Added normalizeTimeoutSeconds helper to validate and clamp timeout values with flexible unit support.
- Updated buildRenderContext JSDoc to include python tool in list requiring extra state.
- Removed Prettier configuration files (.prettierignore and .prettierrc) and migrated formatting to Biome.
- Updated Biome configuration from version 2.3.11 to 2.3.12 and changed arrowParentheses rule from 'always' to 'asNeeded'.
- Pinned @biomejs/biome dependency to exact version 2.3.12 in package.json and bun.lock.
- Applied consistent arrow function formatting across 489 files by removing unnecessary parentheses around single parameters.
- Removed blank lines after comment blocks and reorganized imports for consistency across the codebase.
- Converted named imports from node modules (fs, path, os) to namespace imports across all packages.
- Extended extension loader error handling with isEacces and hasFsCode type guards.
- Fixed autocomplete race condition in editor by tracking request ID to discard stale results.
- Added guard clause in plugin-settings to prevent null reference when settings list is undefined.
- Added branch change callbacks in footer to update state after git head resolution.
- Added timing instrumentation to Python kernel startup and gateway acquisition.
- Improved error logging in settings manager for config file access failures.
- Fixed model discovery to re-check file existence after JSON to YAML migration and improved file access error handling.
- Converted readdirSync, readFileSync, and statSync to async readdir, readFile, stat across skills and agent discovery.
- Made scanDirectoryForSkills async and refactored custom directory scanning to use Promise.all for concurrent processing.
- Updated agent discovery to use fs/promises for async file reading and refactored helper patterns.
- Added AgentParsingError exception class for better error handling during agent parsing.
- Added filesystem error type guards (isEnoent, isEacces, isPerm, etc.) to pi-utils for safe error checking.
- Added color manipulation utilities to pi-utils for accessibility features.
- Added color-blind mode setting to settings manager.
- Migrated plugins, settings, and config modules from sync to async file operations.
- Updated error handling to use new pi-utils type guards for type-safe checking.
- Removed WASM generation script; use Bun `wasm?raw` loader for imports.
- Added bunfig.toml with loaders for `.md`, `.py`, and `.wasm?raw` text imports.
- Added types/assets/index.d.ts for global TypeScript module declarations.
- Unified TypeScript configuration with tsgo-based checking across monorepo.
- Removed build and WASM steps from install and publish pipelines.
- Added tsconfig.publish.json files to all packages with optimized publish-time configuration.
- Updated all package.json scripts with prepublishOnly hooks for correct type checking during publish.
- Added @oh-my-pi/omp-stats path mappings to root tsconfig.json for consistent imports.
- Added WASM generation script for photon module and integrated into install:dev script.
- Added mermaid rendering with terminal graphics for markdown output in iTerm2 and Kitty terminals.
- Implemented two-level mermaid caching with deduplication by content hash.
- Added background mermaid pre-rendering in assistant messages for responsive display.
- Implemented Python kernel session pooling with MAX_KERNEL_SESSIONS limit and idle cleanup timer.
- Refactored commit agent to remove unused FileObservation type and improve prompts.
- Updated test utilities to use AuthStorage.create() async factory method.
- Output block border color now reflects state (error, success, warning) for visual feedback.
- Tools use renderStatusLine, renderTreeList, renderFileList, renderCodeCell for unified formatting.
- Write tool shows streaming preview of content being written with syntax highlighting.
- Read tool displays resolved path information when reading from URLs or symlinks.
- Calculator shows expression and output (e.g., `2+2 = 4`) instead of just the result.
- Empty and error states render consistently with status headers across Find, Grep, Ls, Notebook, Ask.
- converted relative imports to path aliases ($c/*, $ai/*, $tui/*, etc.) across all packages
- added per-package tsconfig.json with complete path mappings for runtime resolution
- set importModuleSpecifier to non-relative for IDE auto-import preferences
- updated dev script to run from monorepo root for consistent path resolution
- Added output-utils module with tail buffer and artifact allocation helpers.
- Added tool-result module for standardized tool result construction with metadata.
- Replaced inline output truncation with structured metadata system across all tools.
- Updated executors to track detailed output statistics instead of full file paths.
- Standardized artifact storage using pre-allocated paths instead of inline writing.
- Simplified Python gateway coordination by removing reference counting and idle timeout functionality.
- Updated Python kernel initialization to support environment variable setup and working directory configuration.
- Modified interactive status display to show Python and venv paths instead of client counts.
- Updated system prompt to clarify CHECKPOINT step 0 timing after user request completion.
- Fixed Python environment warming to use await for proper async error handling.
- Changed interactive mode shutdown to use postmortem.quit instead of process.exit.
- Enhanced bash and python executors to save full output as artifacts when truncated.
- Replaced manual error formatting with ToolError.render() for standardized handling.
- Fixed timeout parameter handling to auto-convert milliseconds to seconds.
- Removed activeForm field from TodoItem interface and simplified todo display logic.
- Converted dynamic imports to static imports in installer and exa tools.
- Renamed task parameter from vars to args throughout task tool interface.
- Simplified task template validation by removing strict placeholder requirements.
- Added comprehensive usage tracking system with normalized schema for provider quota/limit endpoints.
- Added usage providers for Claude, GitHub Copilot, Google Antigravity, Google Gemini CLI, OpenAI Codex, and ZAI.
- Added `/usage` command to display provider usage and limits with visual progress bars and account aggregation.
- Refactored usage tracking from Codex-specific to generic provider system with persistent caching.
- Fixed API validation errors when sending empty user messages across multiple providers.
- Clamped OpenAI Codex reasoning effort "minimal" to "low" for gpt-5.2 models.
- Fixed external editor to work properly on Unix systems by correctly handling terminal I/O.
- Fixed external editor to show warning message when it fails to open instead of silently failing.
- Added "." and "c" shortcuts to continue agent without sending visible message.
- Fixed find tool to handle no matches case without treating as error.
- Fixed read tool to handle no matches case without treating as error.
- Improved fd error handling to distinguish between no results and actual errors.
- Added cell-by-cell Python execution tracking with duration and exit codes.
- Added template system with {{placeholders}} for task tool context rendering.
- Enhanced patch applicator to preserve exact indentation when intended.
- Changed Python tool to use cells array instead of single code parameter.
- Updated task tool schema to require vars instead of task field.
- Added extension system support for Python execution events with new event types and handlers.
- Added Python mode theming and execution indicators across all theme files.
- Added `$` and `$$` command prefixes for Python execution in interactive mode.
- Changed Python tool to use cells array instead of single code parameter.
- Renamed workdir parameter to cwd in Bash and Python tools for consistency.
- Removed voice control and TTS features from coding-agent package.
- Removed git tool integration and worktree management from coding-agent.
- Deleted entire git-tool package and all git operations.
- Inlined OpenAI Codex prompt utilities and removed provider exports.
- Added undo/redo functionality to editor with Ctrl+- and Ctrl+_ keybindings.
- Added Alt+Delete and Alt+D keybindings for delete word forward functionality.
- Added configurable code block indentation to Markdown component.
- Improved fuzzy matching to handle alphanumeric character swaps.
- Normalized keybinding system to handle case-insensitive key IDs.
- Changed label edit shortcut from 'l' to 'Shift+L' in tree selector.
- Removed bundled WorktreeCommand from custom commands loader.
- Simplified artifact handling from structured paths to direct file paths.
- Changed output file extension filter from .out.md to .md.
- Replaced fs operations with Bun.file() API for async file handling.
- Added Cursor OAuth provider support to CLI authentication flow.
- Fixed race conditions in OAuth callback handling and session picker cleanup.
- Improved JWT token parsing and error handling across OAuth providers.
- Replaced Bun.sleep() with abortable sleep for proper cancellation support.
- Enhanced process execution with concurrent stream reading and better timeout handling.
- Added cache cleanup mechanism for auth storage with 5-minute intervals.
- Created new @oh-my-pi/pi-utils workspace package with shared utilities for logging, process management, stream handling, and temporary directory management.
- Migrated all packages to use centralized logger from @oh-my-pi/pi-utils instead of local winston implementations.
- Replaced custom process spawning and stream reading implementations with standardized cspawn and readLines utilities across all modules.
- Converted synchronous file operations and process spawning to async patterns using Bun shell syntax and fs/promises.
- Added streaming edit abort functionality with configurable setting to abort on patch preview failures.
- Updated test framework from vitest to bun:test across all test suites.
- Added normative rewrite and read line numbers settings for tool configuration.
- Enhanced edit and write tools with streaming preview and spinner animation.
- Improved normative patch tool to auto-derive anchors from diff hunks.
- Updated read tool to respect default line numbers setting.
- Enhanced patch applicator with fallback variant generation and improved fuzzy matching.
- Added support for ellipsis placeholders, top-of-file anchors, and comment-prefix normalization.
- Renamed operation and moveTo parameters to op and rename across patch tool interfaces.
- Added batch processing system to benchmark runner for parallel task execution.
- Added comprehensive benchmark reports for Claude Haiku and GPT-5.1-codex-mini models.
- Added new @oh-my-pi/react-edit-benchmark package for React source code mutation testing.
- Added --no-title flag to disable automatic session title generation in coding-agent.
- Changed default behavior of read tool to omit line numbers by default.
- Added environment variable support for edit tool configuration and fuzzy matching.
- Updated test files to use import.meta.dir for ES module compatibility.
- Added Prettier configuration and CI improvements for private package handling.
- Added allowFuzzy option to control fuzzy matching behavior in patch operations.
- Added validation for line numbers to ensure they are >= 1 in patch headers and hints.
- Enhanced fuzzy matching algorithms to respect the allowFuzzy setting for precise control.
- Fixed patch application to prefer actual diff over cached preview when displaying results.
- Added support for nested @@ context anchors and hierarchical context matching.
- Enhanced patch parser to handle @@ line N syntax and multiple context accumulation.
- Improved diff rendering and error messages with hierarchical context display.
- Added comprehensive regression tests for model-generated patch formats.
- Refactored output sanitization logic into centralized streaming-output module.
- Converted tool implementations from factory functions to class-based architecture.
- Updated SSH executor to use shared output streaming infrastructure.
- Moved voice recording logic from function to class-based implementation.
- Converted all tool implementations from factory functions to class-based architecture.
- Updated SDK exports to expose tool classes instead of create*Tool factory functions.
- Refactored tool instantiation patterns across all built-in tools and test files.
- Added proper TypeScript typing with AgentToolResult and AgentToolUpdateCallback interfaces.
- Refactored edit tool implementation with modular patch architecture.
- Moved edit tool implementation from edit/ to patch/ module.
- Updated import paths for EditToolDetails across core modules.
- Enhanced patch parsing with unified diff and Codex-style patch support.
- Improved fuzzy matching algorithms for more robust text location.
- Added Windows ARM64 binary support and architecture detection in installers.
- Updated WASM loading to use streaming with base64 fallback for binary compatibility.
- Moved TTSR settings to dedicated tab and expanded abbreviation to Time Traveling Stream Rules.
- Added comprehensive install testing infrastructure with Docker validation.
- Updated package name from @oh-my-pi/omp-coding-agent to @oh-my-pi/pi-coding-agent.
- Added Python shared gateway setting for resource-efficient kernel reuse across sessions.
- Enhanced Python tool with session-scoped kernel isolation and workdir-aware session IDs.
- Added Python tool cancellation support with timeout handling and proper cleanup.
- Expanded Python prelude with enhanced file operations, git utilities, and improved output handling.
- Fixed AI provider message transformation for proper tool call handling and error recovery.
- Added shared Python gateway coordinator with file locking and automatic resource management.
- Added comprehensive Git helpers and line-based operations to Python prelude.
- Enhanced /status command to display Python gateway, LSP servers, and MCP connections.
- Changed default Python tool mode from ipy-only to both for shell execution support.
- Fixed Python tool proxy execution and signal handling in worker processes.