- 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.
- Added reset() method to CountdownTimer class to allow resetting countdown to initial value.
- Added initialMs field to CountdownTimer to track original timeout duration.
- Integrated countdown reset into HookSelectorComponent to reset timer on user interaction.
- Added SkillMessageComponent to render /skill command messages as compact skill entries with expandable/collapsible UI showing skill metadata and optional full prompt content.
- Added promptCustomMessage() public method to AgentSession to support custom message types with metadata and details properties.
- Added SKILL_PROMPT_MESSAGE_TYPE constant and SkillPromptDetails interface to support skill-specific message handling.
- Enhanced patch tool documentation with guidance on structured block editing, error recovery, and best practices for maintaining code integrity.
- Refactored message handling in AgentSession by extracting _promptWithMessage() private method to consolidate common logic between prompt() and promptCustomMessage().
- Added ModelStatsTable component to display model statistics with columns for model, provider, requests, cost, tokens, throughput, and error rate.
- Added 'models' tab to stats dashboard for viewing aggregated model performance metrics.
- Added TTFT (Time to First Token) metric display in request details and overview statistics.
- Added Tokens/s (throughput) metric calculation and display in request list and model statistics.
- Improved code formatting and accessibility by adding semantic HTML attributes (type='button', role, aria-modal) and reformatting style objects for readability.
- Refactored loadData function to use useCallback hook for better performance optimization.
- Added timeout support to hook selector with auto-selection behavior on timeout.
- Extended ExtensionUIDialogOptions to include timeout and tui configuration properties.
- Changed hook selector timeout behavior from cancellation to auto-selecting the currently highlighted option.
- Updated UIContext.select() method signature to accept timeout option for automated selection scenarios.
- Added session compaction auto-continue feature that automatically sends a synthetic continuation prompt after compaction completes when enabled in settings.
- Added tool output pruning system that intelligently removes verbose tool outputs from session history during compaction to reduce token usage while preserving critical information.
- Added short summary generation for compaction results, providing concise PR-style summaries of conversation changes alongside full summaries.
- Added session.compacting extension hook that allows extensions to customize compaction prompts, add context, and preserve metadata during summarization.
- Added synthetic message support to mark system-injected messages (like auto-continue prompts) and prevent them from being persisted to editor history.
Creates a new session file with the exact same state as the current session,
including all entries (messages, model changes, compactions, etc.) and
artifacts. The new session's parentSession field links to the original.
- Added fork() method to SessionManager that creates new session file with copied entries
- Added fork() method to AgentSession that handles artifact directory copying
- Added /fork command handler in input-controller and command-controller
- Extended session switch event reason type to include 'fork'
- Extracted type guard functions for improved type safety and code reusability across RPC and migration modules.
- Centralized AgentEvent type validation into a dedicated Set constant and type guard function in rpc-client.
- Replaced inline type assertions with type guard functions in RPC response and event handling logic.
- Refactored test utilities to use parseSessionEntries helper and type guard functions for cleaner test code.
- Added reasoning content configuration properties to OpenAI compatibility settings.
- Replaced external JSON/JSONL parsing libraries with Bun's built-in JSON5 and JSONL APIs across all packages.
- Removed dependencies: json5, ndjson, get-east-asian-width, json-stringify-safe, split2, through2, and @types/ndjson.
- Replaced custom text width and ANSI wrapping implementations with Bun.stringWidth() and Bun.wrapAnsi() APIs.
- Updated Bun type definitions from ^1.2.17 to ^1.2.18 and bun-types from ^1.3.5 to ^1.3.7.
- Refactored JSONL parsing throughout codebase to use Bun.JSONL.parse() and Bun.JSONL.parseChunk() with improved buffer management and error handling.
- Updated test assertions to use Bun.stringWidth() for dynamic width calculations instead of hardcoded values.
- Added 'plan' model role option to support architectural planning with dedicated model selection via CLI argument (--plan), environment variable (OMP_PLAN_MODEL), and UI menu action.
- Updated model selector to display 'PLAN' badge for plan models and prioritize them in the model sorting order.
- Relaxed task management constraints to allow multiple tasks to be in_progress simultaneously, enabling parallel task execution instead of enforcing single-task-at-a-time workflow.
- Improved todo validation to check for blocking pending tasks before allowing a todo to be marked in_progress, with more specific error messages indicating which earlier tasks are blocking progress.
- Renamed `head_limit` to `limit` in grep and find tools for consistency.
- Added `context` as optional alias for the `c` parameter in grep.
- Made hidden files inclusion configurable in find with `hidden` parameter.
- Integrated .gitignore and .ignore file support in find tool.
- Updated plan mode documentation for self-contained plan files.
- 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.
can1357