- Migrated all environment variable access from Node.js `process.env` to Bun runtime `Bun.env` API across the entire codebase.
- Updated 71 files including source code, tests, documentation, and configuration to use Bun's native environment variable API.
- Added comprehensive environment variables documentation in `packages/coding-agent/docs/environment-variables.md` covering 100+ environment variables organized by category.
- Updated CHANGELOG entries to reflect migration from `process.env` to `Bun.env` and environment variable prefix changes (PI_* vs OMP_*).
- Maintained identical behavior and logic across all changes - only the environment variable access method was updated.
- 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 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.
- 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
- 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 FrontmatterError custom error class and FrontmatterOptions interface for improved error handling.
- Enhanced parseFrontmatter function with source, fallback, normalize, and fatal options for better error context.
- Updated all parseFrontmatter call sites to include source file information for better error messages.
- Fixed frontmatter parsing to properly report source location when YAML parsing fails.
- Updated system prompt to show file paths more clearly in output.
- Added template sections for systemPromptCustomization, environment, and tools in system prompt.
- Added todo_write tool for creating and managing structured task lists during coding sessions.
- Added persistent todo panel above the editor that displays task progress with Ctrl+T toggle.
- Added grouped display for consecutive Read tool calls in a compact tree view.
- Changed system prompt to use more direct, field-oriented language with emphasis on verification and assumptions.
- Changed Ctrl+Enter to insert newline when not streaming, and Ctrl+T from toggling thinking blocks to toggling todo list.
- Replaced yaml package dependency with Bun's built-in YAML parser and extracted frontmatter parsing to dedicated module.
- Added thinkingLevel field to agent frontmatter allowing subagents to override thinking level with clamping to model capabilities.
- Added structured output schema to reviewer agent ensuring consistent review output format with findings, correctness verdict, and confidence.
- Expanded system prompt with defensive reasoning guidance including assumption checks, edge case awareness, and completion reflex inhibition.
- Consolidated expandPath, parseFrontmatter, and parseAgentFields utilities into discovery/helpers module eliminating code duplication across loaders.
- Replaced silent error handling with logger.warn calls across config parsing, migrations, extension loading, and OAuth refresh failures.
- Converted SettingsManager.create(), loadSettings(), discoverSkills(), loadSlashCommands(), buildSystemPrompt(), loadSkills(), loadProjectContextFiles(), and getShellConfig() from synchronous to asynchronous APIs.
- Changed capability provider load() method from supporting both sync and async to async-only by removing loadSync().
- Removed fs property from LoadContext interface in capability types.
- Added new fs.ts module with caching layer for filesystem operations using readFile, readDirEntries, readDir, walkUp, and cache management functions.
- Refactored all discovery providers (builtin, claude, cline, codex, cursor, gemini, github, mcp-json, ssh, vscode, windsurf) to use async file operations with Promise.all for parallel loading.
- Extracted skill loading logic into reusable `loadSkillsFromDir` helper function to eliminate code duplication across builtin, claude, and codex discovery providers.
- Refactored builtin provider to use new `loadSkillsFromDir` helper instead of inline `loadSkillsRecursive` function.
- Refactored claude provider to use new `loadSkillsFromDir` helper, reducing function from 78 lines to 25 lines.
- Refactored codex provider to use new `loadSkillsFromDir` helper, consolidating duplicate skill transformation and frontmatter parsing logic.
- Updated extension module discovery to skip `node_modules` directories in addition to hidden directories.
- Added guideline to Task tool documentation about isolating file scopes for concurrent agents to prevent conflicts.
- Added unified capability-based discovery system for loading configuration from 8 AI coding tools (Cursor, Windsurf, Cline, GitHub Copilot, Gemini, Codex, Claude, VS Code).
- Added Discovery settings tab in interactive mode for enabling/disabling configuration providers.
- Added provider source attribution showing which tool contributed each configuration item.
- Added support for tool-specific rule formats including Cursor MDC, Windsurf global_rules, and Cline .clinerules.
- Changed MCP tool name parsing to use last underscore separator for improved server name handling.
- Refactored core loaders (skills, hooks, custom tools, slash commands) to use capability API instead of manual directory scanning.
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