- Fixed model switches deferred during streaming to apply correctly when the stream completes, preventing model changes from being lost.
- Added pendingModelSwitch field to track deferred model changes during active streams.
- Added flushPendingModelSwitch() method to apply deferred model switches after streaming completes.
- Modified switchToPlanModel() to defer model changes when a stream is active instead of applying immediately.
- Modified exitPlanMode() to defer model restoration when a stream is active instead of applying immediately.
- Modified EventController to call flushPendingModelSwitch() when stream completion is detected.
- Migrated from @types/node to @types/bun across all packages to align with Bun runtime.
- Removed @types/node and bun-types from root and package-specific devDependencies.
- Updated tsconfig.base.json to remove 'node' from types array and 'DOM.AsyncIterable' from lib, keeping only Bun-compatible configurations.
- Simplified ReadableStream type annotation in openai-codex-stream.test.ts by removing explicit Uint8Array generic parameter.
- Added support for image file mentions with automatic detection, resizing, and attachment via @filepath syntax.
- Enhanced file mention messages to support both text content and image attachments with optional line count for text files.
- Implemented image dimension information display in file mention UI.
- Updated file mention processing to respect image auto-resize settings.
- Modified file mention data structure to include optional image property and optional lineCount field.
- Refactored variable naming in file processor to remove unused variable convention.
- Fixed plan mode toggles during streaming to inject plan-mode context immediately, preventing file edits while in plan mode.
- Updated file mention processing to respect image auto-resize settings.
- Added sendPlanModeContext method to inject plan mode context message into conversation history.
- Converted class properties to TypeScript parameter properties across 51 files to reduce boilerplate code.
- Removed explicit field declarations and manual assignments in constructors by using TypeScript's parameter property syntax with access modifiers.
- Applied consistent pattern of declaring private readonly and public readonly properties directly in constructor parameters.
- Converted SubmenuSettingDef.getOptions() method to options getter property for improved API ergonomics.
- Changed OptionProvider type to support both static arrays and function providers, enabling simpler configuration of option lists.
- Added createSubmenuSettingDef() helper function to simplify creation of submenu settings with flexible option providers.
- Refactored internal option provider definitions to use static arrays instead of arrow functions where applicable.
- Updated SelectSubmenu to enforce immutability of options parameter using ReadonlyArray type.
- Refactored select-list.ts to use TypeScript parameter properties for cleaner constructor implementation.
- Modified setThinkingLevel() API to accept optional persist parameter with default value of false, allowing callers to control whether thinking level changes are persisted to settings.
- Updated SetThinkingLevelHandler type signature to include optional persist parameter for consistency across extension handlers.
- Simplified setThinkingLevel method signature from accepting options object to accepting boolean persist parameter, improving API clarity.
- Extracted external editor handling logic into shared utility module to reduce code duplication across hook-editor and input-controller components.
- Created new external-editor utility module with getEditorCommand() and openInEditor() functions for centralizing editor process management and temporary file handling.
- Simplified hook-editor component by replacing manual editor spawning and file operations with openInEditor() utility function call.
- Simplified input-controller component by replacing manual editor spawning and file operations with openInEditor() utility function call.
- 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.
- Added UI dropdown options for `task.maxRecursionDepth` setting with presets (Unlimited, None, Single, Double, Triple).
- Added UI dropdown options for `grep.contextBefore` setting with presets (0-5 lines).
- Added UI dropdown options for `grep.contextAfter` setting with presets (0-10 lines).
- Simplified `task.maxRecursionDepth` description in settings UI to remove specific value examples.
- Added optional `persist` parameter to `setThinkingLevel()` method to control whether thinking level changes are saved to settings.
- Changed thinking level cycling to no longer persist changes to settings by default, enabling quick iteration through thinking levels without modifying user preferences.
- Updated selector controller to handle both `thinkingLevel` and `defaultThinkingLevel` setting changes.
- Replaced nanoid and randomUUID with Snowflake ID generator across codebase for consistent distributed ID generation.
- Created new Snowflake utility module in packages/utils with support for 64-bit distributed ID generation with configurable epoch, machine ID, and sequence numbers.
- Updated session ID format documentation from nanoid to snowflake hex string format (16 hex characters).
- Removed nanoid dependency from package.json as it is now replaced by internal Snowflake implementation.
- Migrated environment variable access from function-based `getEnv()` API to object property-based `$env` API across 43 files in the monorepo.
- Simplified `packages/utils/src/env.ts` by removing scoped environment variable logic (EnvScope, getEnvMap, getEnv functions) and replacing with direct `process.env` reference exported as `$env`.
- Updated `packages/ai/src/stream.ts` to remove environment parameter from KeyResolver functions and use global `$env` object instead of passed-in env parameter.
- Migrated environment variable access from direct process.env to centralized getEnv() utility function across all packages.
- Renamed environment variable prefix from OMP_ to PI_ throughout codebase (e.g., OMP_CODING_AGENT_DIR -> PI_CODING_AGENT_DIR).
- Removed automatic environment variable migration from PI_ to OMP_ prefixes via migrate-env.ts module.
- Removed env setting from configuration schema and applyEnvironmentVariables() method from settings.
- Updated CI/CD build configuration to use PI_COMPILED flag instead of OMP_COMPILED.
- Changed venvPath property in PythonRuntime from nullable (string | null) to optional (string | undefined).
- Added terminal-capabilities module with NotifyProtocol enum and notification formatting/sending methods to TerminalInfo class.
- Renamed TERMINAL_INFO export to TERMINAL and consolidated terminal image/capability exports from terminal-image to terminal-capabilities module.
- Removed terminal-image module exports from public API with functionality migrated to terminal-capabilities.
- Simplified notification settings in coding-agent by removing protocol detection logic and delegating to TERMINAL.sendNotification().
- Removed terminal-notify.ts utility module from coding-agent, consolidating notification handling into pi-tui package.
- Added task.maxConcurrency configuration setting with default value of 32 to control concurrent execution limits for subagents.
- Added UI options for task concurrency configuration with 8 preset levels (Unlimited, 1, 2, 4, 8, 16, 32, 64) in the tools settings tab.
- Changed task concurrency to be configurable via task.maxConcurrency setting instead of hardcoded MAX_CONCURRENCY constant.
- Changed concurrency limit calculation to support unlimited concurrency when task.maxConcurrency is set to 0.
- Removed MAX_CONCURRENCY constant and associated hardcoded concurrency limit from task execution.
- Updated task execution to dynamically retrieve maxConcurrency from session settings instead of using imported constant.
- Removed WASM-specific naming conventions and terminology throughout the codebase, including import aliases, comments, and type aliases.
- Removed legacy type aliases 'WasmMatch' and 'WasmSearchResult' from grep types module.
- Removed TypeScript module declaration for '*.wasm?raw' file imports.
- Updated error handling in task executor to properly handle stopReason === 'error' case with exit code and error message capture.
- Simplified documentation comments to remove implementation details about WASM and Photon library internals.
- Updated README to reflect shift from WASM to N-API for pi-natives crate implementation.
- Added 'commit' model role for dedicated commit message generation.
- Exported 'resolveModelOverride' function from model-resolver module for public use.
- Refactored model role system to centralize role configuration in MODEL_ROLES registry.
- Extracted model resolution utilities into dedicated model-resolver module for improved code organization.
- Made 'tag' and 'color' properties optional in ModelRoleInfo interface to support roles without visual indicators.
- Enhanced model selector with defensive null/undefined checks for optional role properties.
- Added default generic type parameter to Model interface, allowing Model to be used without explicit type argument.
- Removed explicit <any> generic type parameters from Model type annotations throughout codebase, leveraging new default parameter.
- Centralized model role system into MODEL_ROLES registry with metadata (tag, name, color) and MODEL_ROLE_IDS array for consistent role management across the codebase.
- Refactored model selector to dynamically generate menu actions from MODEL_ROLES registry instead of hardcoded role definitions.
- Simplified model role resolution by replacing hardcoded role checks with loops over MODEL_ROLE_IDS array.
- Removed support for 'omp/' model role prefix in favor of 'pi/' prefix throughout model selection, task execution, and configuration.
- Added getModelRoles() and overrideModelRoles() helper methods to Settings class for cleaner model role management.
- Updated @anthropic-ai/sdk from ^0.71.2 to ^0.72.1 in packages/ai.
- Updated @aws-sdk/client-bedrock-runtime from ^3.975.0 to ^3.982.0 in packages/ai.
- Updated @google/genai from ^1.38.0 to ^1.39.0 in packages/ai.
- Updated @smithy/node-http-handler from ^4.4.8 to ^4.4.9 in packages/ai.
- Updated openai from ^6.16.0 to ^6.17.0 in packages/ai.
- Removed proxy-agent and undici dependencies from packages/ai.
- Added exclusive concurrency mode enforcement to file-modifying tools (edit, write, bash, python, ssh, todo-write) by introducing a new public `concurrency` property set to "exclusive" on each tool class.
- Updated CHANGELOG.md to document the enforcement of exclusive concurrency mode for file-modifying tools.
- Cleaned up imports in tool-execution.ts by removing unused Theme type import and reordering imports for better organization.
- Extracted JSON tree rendering utilities into dedicated module for reuse across tool renderers.
- Moved formatArgsInline, renderJsonTreeLines, and related constants from mcp/render.ts to tools/json-tree.ts.
- Updated tool-execution.ts to import and use shared JSON tree rendering functions.
- Added Python prelude caching to improve startup performance by caching helper functions and module discovery results.
- Added OMP_DEBUG_STARTUP environment variable for detailed startup stage tracing across initialization pipeline.
- Changed Python kernel initialization to require shared gateway mode, removing support for local kernel gateway startup.
- Improved error handling in shared gateway acquisition with automatic retries on 5xx status codes.
- Added repro-stuck.ts script for reproducing and debugging rare CLI hang issues with Chrome DevTools integration.
- Added trace-loader.ts preload script for tracing module resolution during startup diagnostics.
- Reorganized settings tabs from 8 to 10 tabs with improved categorization: Display, Agent, Input, Tools, Config, Services, Bash, LSP, TTSR, and Status.
- Moved behavior-related settings (thinking level, steering mode, retry attempts) from Behavior tab to new Agent tab.
- Moved input/interaction settings (escape action, collapse changelog, notifications) to new Input tab.
- Moved tool configuration settings (line numbers, fuzzy matching, patch mode) from Tools tab to new Config tab.
- Moved provider and external service settings (web, image, exa) to new Services tab.
- Removed type guard functions (isBashToolResult, isReadToolResult, isEditToolResult, isWriteToolResult, isGrepToolResult, isFindToolResult, isLsToolResult) from public API exports.
- Added native clipboard support with copyToClipboard() and readImageFromClipboard() functions using arboard library.
- Exported ClipboardImage type for clipboard image data with MIME type information.
- Migrated clipboard operations from shell commands to native arboard bindings for improved performance and reliability.
- Implemented Rust native module in pi-natives crate providing cross-platform clipboard access for Linux, macOS, and Windows.
- Added TypeScript bindings and type definitions for clipboard functionality in natives package.
- Renamed `EllipsisKind` enum to `Ellipsis` across all packages for clearer API naming.
- Refactored Rust text module from 356 to 155 lines with simplified state tracking using u32 ColorVal instead of enum ColorCode and named attribute constants.
- Removed `Env` parameter from public NAPI functions `truncate_to_width` and `extract_segments` to simplify API surface.
- Changed return type of `truncate_to_width` from `JsString` to `Either<JsString, Utf16String>` to support zero-copy returns.
- Removed early return optimization in `truncateToWidth()` function.
- Reordered native module search paths to prioritize repository build artifacts over system paths.
- Changed TextInput type parameter to string in truncateToWidth(), visibleWidth(), sliceWithWidth(), and extractSegments() functions in native bindings.
- Removed TextInput type export from public API of pi-natives package.
- Removed format.ellipsis symbol from theme configuration, replacing all theme-based ellipsis references with hardcoded Unicode ellipsis character (...).
- Removed ellipsis property from SymbolTheme interface in pi-tui package.
- Removed truncateToWidth, sliceWithWidth, and extractSegments wrapper functions from pi-tui public API, now re-exporting directly from pi-natives.
- Added early return optimizations in truncateToWidth() and sliceWithWidth() native functions to skip native calls when possible.
- Replaced SettingsManager class with new Settings singleton providing synchronous get/set API and background persistence.
- Introduced settings-schema.ts as single source of truth for all configuration definitions with 100+ settings organized into logical groups.
- Migrated from method-based settings access (getTheme(), setTheme()) to path-based access using dot notation (settings.get('theme'), settings.set('theme', value)).
- Removed 2035-line settings-manager.ts file and replaced with modular settings.ts (693 lines) and settings-schema.ts (836 lines) for improved maintainability.
- Unified settings schema into single source of truth eliminating duplicate definitions across settings-defs.ts and settings-manager.ts.
- Extracted manual space padding logic into a reusable `padding()` utility function across all UI components and utilities.
- Optimized padding operations by introducing a pre-allocated 512-space buffer in the `padding()` function to reduce repeated string allocations.
- Updated all imports across 30 files to use the new `padding()` function from pi-tui instead of inline `' '.repeat()` calls.
- Renamed local variables from `padding` to `pad`, `padSize`, `indent`, or `linePad` to avoid naming conflicts with the imported `padding()` function.
- Exported the `padding()` utility function from the tui package index for public use.
- Added persistent shell session support for bash tool with environment variable preservation across commands.
- Added shellForceBasic setting to force bash/sh even if user's default shell is different (default: true).
- Added OMP_SHELL_PERSIST environment variable to control persistent shell behavior (set to 0 to disable).
- Restructured system prompt with coordinator-specific guidance for parallel task delegation.
- Added grep CLI subcommand with support for pattern matching, file globbing, context lines, and multiple output modes (content, files-with-matches, count).
- Added diff syntax highlighting support with distinct colors for inserted and deleted lines in code output.
- Implemented FileReader abstraction for cross-platform file reading with mmap support and 4MB size limit.
- Refactored worker pool initialization to support both compiled and development build environments using resolveWorkerSpecifier utility.
- Enhanced markdown rendering with improved inline style context handling and blockquote formatting with text wrapping.
- Replaced external strip-ansi dependency with Bun's built-in stripANSI method across all packages.
- Added Kimi Code provider with support for both OpenAI and Anthropic API formats.
- Added kimiApiFormat configuration option to allow users to select between 'openai' and 'anthropic' API formats for Kimi Code provider.
- Added Kimi API format setting in the tools configuration tab with descriptions for each format option.
- Refactored Anthropic provider authentication logic to support multiple API endpoints including Kimi's Anthropic-compatible API.
- Updated OpenAI completions provider to route direct Kimi models to dedicated Kimi provider implementation.
- Replaced interface-based terminal capabilities with class-based TerminalInfo model.
- Converted ImageProtocol from union type to enum with escape sequence values.
- Removed detectCapabilities, getCapabilities, and resetCapabilitiesCache functions in favor of eager TERMINAL_ID and TERMINAL_INFO constants.
- Introduced TerminalId type and KNOWN_TERMINALS registry for terminal detection.
- Updated renderImage and TUI.queryCellSize to use TERMINAL_INFO directly instead of calling getCapabilities().
- Updated exports in index.ts to reflect new API surface.
- Added error field to LSP server status types throughout the mode context chain.
- Updated /session command to display the actual error message when an LSP server fails to start.
- Added logger.warn call during LSP warmup to log server startup failures to ~/.omp/logs/.
- Added interactive `/debug` command with menu-driven interface for bug report triage and system diagnostics.
- Implemented CPU profiling workflow allowing users to capture performance profiles during issue reproduction.
- Added heap snapshot generation for memory issue analysis and debugging.
- Implemented debug report bundle creation with session data, logs, system info, and optional profiling artifacts.
- Added system information collection and display including OS, CPU, memory, and version details.
- Implemented artifact cache management with size statistics and cleanup functionality.
- Fixed incorrect byte and line limit calculations in file read tool that were applying user limits to total selected content instead of just user-limited content.
- Updated test to use SettingsManager.getGlobalShellConfig() instead of shell.getShellConfig() for consistent shell configuration access.
- Reorganized import statements across multiple files for consistency and alphabetical ordering.
- Changed firstLinePreviewChunks from let to const in read tool since it is only mutated via array methods.
- Extracted process management utilities from coding-agent shell module into dedicated procmgr module in utils package.
- Migrated shell configuration retrieval to SettingsManager class with new getGlobalShellConfig() static method.
- Replaced custom killProcessTree() implementation with new terminate() function supporting graceful shutdown with timeout and AbortSignal.
- Updated ptree.ChildProcess to use generic type parameter for input stream masking and delegated process termination to procmgr.terminate().
- Centralized process management across coding-agent modules to use SettingsManager and procmgr utilities instead of standalone shell functions.
- Added native syntax highlighting module powered by syntect library with ANSI color output support.
- Implemented highlightCode() function that applies syntax highlighting to code with language detection and customizable color themes.
- Implemented supportsLanguage() function to check if a given programming language is supported for syntax highlighting.
- Implemented getSupportedLanguages() function that returns list of all supported language identifiers.
- Replaced cli-highlight dependency with native syntect-based highlighting in coding-agent theme module.
- Added comprehensive language alias mappings supporting 50+ programming languages including TypeScript, Python, Rust, Go, C/C++, and web languages.
- Added native text utilities in pi-natives (visible width, truncation, slicing, segment extraction)
- Wired pi-tui to use native implementations with short-string JS fast path
- Optimized key matching via cached parsed key ids
- Refactored visual truncation to reuse Text instances
- Reduced theme color lookups by switching from Map to plain records
- Regenerated WASM artifacts
Benchmarks (after vs before, lower is better):
- truncateToWidth/ansi: 20.37ms vs 38.13ms (2000 iters)
- sliceWithWidth/ansi: 5.12ms vs 20.39ms
- extractSegments/ansi: 8.92ms vs 27.60ms
- truncateToVisualLines: 3.51ms vs 411.55ms (500 iters)
- visibleWidth/ansi: 0.24ms vs 0.31ms
- Simplified ptree API by removing spawnGroup and spawnAttached variants, consolidating into single spawn function.
- Replaced AsyncQueue class with simpler pushStream utility function for stream management.
- Refactored ChildProcess class to use AbortController instead of callback-based signal handling.
- Renamed captureText method to wait and execText function to exec for clearer API semantics.
- Removed mode parameter from exec function, eliminating distinction between spawn modes.
- Updated all call sites across coding-agent to use simplified ptree API.
- Added configurable ask timeout and notification settings to control ask tool behavior and user notifications.
- Added AskSettings interface with timeout (in seconds, default 30) and notification method properties to settings manager.
- Added ask timeout and notification configuration options to settings UI with values for timeout (off, 15, 30, 60, 120 seconds) and notification methods (auto, bell, osc99, osc9, off).
- Refactored process execution across multiple tools (exec, fetch, grep, read, youtube scraper) to use centralized ptree.execText() API instead of custom implementations.
- Refactored ChildProcess class in ptree to use public readonly properties and Promise.withResolvers() for cleaner exit handling.
- Migrated process spawning from `cspawn` to `spawnGroup` and `spawnAttached` APIs with explicit resource management using TypeScript's `using` statement.
- Refactored `ChildProcess` class to support process group management with new `isProcessGroup` getter and `[Symbol.dispose]()` method for automatic cleanup.
- Removed `cspawn` from public API exports in pi-utils, replacing it with `spawnGroup` and `spawnAttached` functions.
- Simplified `ChildProcess.kill()` method signature by removing signal parameter and eliminated `killAndWait()` method in favor of async disposable pattern.
- Converted `killChild` function to async implementation using Bun's `$` template and sleep-based polling for process termination.
- Added outline option to dialog and select UI components for rendering outlined lists in extension dialogs and ask tool.
- Replaced ripgrep-based file listing with fs.glob for project scans in system-prompt, find, and read tools.
- Added timeout tracking to ask tool multi-select flow to prevent hanging on selection operations.
- Created new OutlinedList component in hook-selector for rendering bordered list containers.
- Implemented globPaths utility function in pi-utils for glob-based file discovery with gitignore support.
- Refactored hook selector and input overlay management to use TUI overlay API instead of manual container manipulation.
- Extracted dialog overlay options into a reusable constant with consistent styling (bottom-center anchor, 80% width, 70% max height).
- Added overlay handle tracking to properly manage overlay lifecycle and prevent duplicate overlays.
- Refactored runRg function signature to accept an options object with signal and timeoutMs properties instead of a direct signal parameter.
- Enhanced timeout error handling in grep.ts to catch ptree.TimeoutError exceptions and throw descriptive ToolError messages.
- Added proper resource disposal calls in extension-ui-controller.ts to dispose of hook selector and hook input before clearing editor containers.
- Simplified timeout handling by moving from AbortSignal-based approach to direct timeoutMs parameter in options object across system-prompt.ts, find.ts, and read.ts.
can1357