- Added OAuth callback server with automatic port fallback and CSRF protection.
- Added persistent SQLite-based credential storage replacing auth.json file system.
- Added logout and status CLI commands for OAuth provider management.
- Refactored all OAuth flows to use common OAuthCallbackFlow base class.
- Added automatic regex pattern validation with fallback to literal mode in grep tool.
- 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.
- Added 30+ built-in color themes and comprehensive symbol customization via theme presets and overrides.
- Added status line segment editor with presets, separators, and customizable left/right segments.
- Added Biome CLI-based linter client as alternative to LSP for diagnostics and formatting.
- Added 20MB file size limit for image files to prevent memory issues during serialization.
- Replaced hardcoded Unicode symbols throughout codebase with theme-configurable symbol system.
- Renamed CLI binary and package from 'pi' to 'omp' across all platforms and installers.
- Changed environment variable prefix from PI_* to OMP_* with automatic migration support.
- Changed configuration directory from ~/.pi/ to ~/.omp/ with multi-path fallback discovery.
- Added getConfigDirPaths(), findConfigFile(), and readConfigFile() functions for config resolution across .omp, .pi, and .claude directories.
- Added `pi update` command for checking and installing CLI updates from GitHub releases or bun.
- Added cross-platform installer scripts (shell and PowerShell) with automatic PATH configuration.
- Changed HTML export to use compile-time bundled templates via Bun macros.
- Changed `exportToHtml` and `exportFromFile` functions to async operations.
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