- 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.
- Consolidated box component cache state from four separate properties into a single typed Cache object with key, width, bgSample, and result fields.
- Extracted image line detection logic into centralized TERMINAL_INFO.isImageLine() method, removing duplicate containsImage() implementations from Markdown and TUI classes.
- Simplified cache validation in box component by introducing matchCache() method to compare current parameters against cached values.
- Removed trimStart() call from TerminalInfo.isImageLine() to check image protocol at line start without whitespace stripping.
- 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.
packages/ai:
- fix: handle "sensitive" stop reason from Anthropic API
- fix: normalize tool call IDs with special characters for Responses API
- fix: add overflow detection for Bedrock, MiniMax, Kimi providers
- fix: 429 status is rate limiting, not context overflow
packages/tui:
- fix: refactored autocomplete state tracking
- fix: file autocomplete should not trigger on empty text
- fix: configurable autocomplete max visible items
- fix: improved table column width calculation with word-aware wrapping
packages/coding-agent:
- fix: preserve external config.yml edits on save (#1046 by @nicobailonMD)
- fix: resolve macOS NFD and curly quote variants in file paths
- Added error handling for database initialization failures with detailed diagnostics including directory existence and writability checks.
- Improved directory creation in ensureDir() with proper error handling for EEXIST conditions and post-creation verification.
- Set restrictive file permissions (0o700) on created agent storage directories for improved security.
- Optimized applyLineResets() in TUI to use in-place array modification instead of creating new array via map().
- Added `/debug` slash command with interactive menu for bug report triage and system diagnostics.
- Added `containsImage()` method to `TerminalCapabilities` interface to detect image sequences in terminal output.
- Refactored terminal capability detection to use shared capability objects, reducing duplication and improving maintainability.
- Migrated `TUI.containsImage()` from instance method to static method delegating to capabilities detection.
- Removed TUI layout engine exports from public API surface.
- Replaced Bun.file().stream() with fs/promises for manual buffer reading in file streaming.
- Added AbortSignal support to streamLinesFromFile for cancellation capability.
- Removed stdin monitoring feature that detected stalled input after 10 seconds.
- Removed cli-highlight and highlight.js dependencies from lock file.
- Rebuilt WASM module with reduced binary size (2.1% reduction).
- Added stdin monitoring to detect stalled input events and log warnings when no input is received for 10 seconds.
- Added private methods startStdinMonitor() and stopStdinMonitor() to manage stdin event monitoring lifecycle.
- Added lastStdinEvent and stdinMonitor instance variables to track stdin activity.
- Fixed LSP servers showing as 'unknown' in status display when server warmup fails by using index-based lookup to correctly extract server name and file types.
- Fixed Read tool loading entire file into memory when offset/limit was specified by implementing streaming line-by-line processing that only collects requested range.
- Fixed slash command autocomplete applying stale completions when typing quickly by adding staleness check before applying completion on Enter/Return.
- Reorganized npm scripts to follow consistent naming pattern with separate TypeScript and Rust variants for check, lint, fmt, and fix operations.
- Updated release script to properly handle Rust workspace version updates in Cargo.toml files and regenerate lockfiles.
- 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
- Updated @bufbuild/protoc-gen-es from ^2.10.2 to ^2.11.0.
- Updated @types/bun from ^1.2.18 to ^1.3.7.
- Updated prettier from ^3.8.0 to ^3.8.1.
- Updated @sinclair/typebox from ^0.34.46 to ^0.34.48 across multiple packages.
- Updated @bufbuild/protobuf from ^2.10.2 to ^2.11.0 in packages/ai.
- Updated multiple dependencies including chalk, diff, file-type, zod, winston, recharts, and mime-types to their latest patch and minor versions.
- Added ToolChoice type and toolChoice parameter support across all AI providers (OpenAI, Azure OpenAI, Anthropic, Google) enabling fine-grained control over tool/function selection during LLM calls.
- Added toolChoice override capability to Agent.prompt() method and session prompt options allowing callers to control tool selection behavior per request.
- Added provider-specific tool choice mapping functions (mapAnthropicToolChoice, mapGoogleToolChoice, mapOpenAiToolChoice) to normalize tool choice formats across different LLM APIs.
- Removed kernel heartbeat/ping mechanism from PythonKernel, simplifying health monitoring by relying on direct isAlive() checks instead of periodic HTTP requests.
- 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.
- 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.