- Added `sanitizeText` function to pi-natives that strips ANSI escape sequences, removes control characters and lone surrogates, and normalizes line endings.
- Moved `sanitizeText` function from `@oh-my-pi/pi-utils` to `@oh-my-pi/pi-natives` for better code organization and native performance.
- Added line length clamping (4000 characters) to bash and Python execution output to prevent excessively long lines.
- Replaced internal `#normalizeOutput` methods with `sanitizeText` utility function in bash and Python execution components.
- Fixed bash interactive tool to gracefully handle malformed output chunks by normalizing them with `sanitizeText`.
- Simplified documentation by removing WASM terminology from package descriptions and comments.
- Modified memory storage to isolate memories by project working directory, preventing cross-project memory contamination.
- Added encodeProjectPath function to safely encode working directory paths for use in memory storage directory names.
- Updated getMemoryRoot function to accept cwd parameter and include encoded project path in memory directory structure.
- Updated clearMemoryData function signature to accept cwd parameter for project-specific memory cleanup.
- Updated test fixtures to use project-aware memory root paths.
- Added autonomous memory extraction and consolidation system with two-phase pipeline for extracting durable knowledge and consolidating into reusable skills.
- Added /memory slash command with subcommands (view, clear, reset, enqueue, rebuild) for inspecting and managing memory maintenance.
- Added configurable memory settings including concurrency limits, lease timeouts, token budgets, and rollout age constraints.
- Added memory injection payload that includes learned context in system prompts with operational rules for reading and using memory artifacts.
- Improved system prompt building to support memory guidance injection and enhanced error handling in resolvePromptInput function for multiline input.
- Added automatic retry logic for WebSocket stream closures before response completion with configurable retry budget.
- Changed `providers.openaiWebsockets` setting from boolean to enum with values 'auto', 'off', 'on' for more granular WebSocket policy control.
- Implemented WebSocket stream retry mechanism that attempts reconnection before falling back to SSE transport when retry budget is exhausted.
- Fixed WebSocket stream retry logic to properly handle mid-stream connection closures and preferWebsockets option handling.
- Added helper functions isCodexWebSocketTransportError() and isCodexWebSocketRetryableStreamError() to classify WebSocket errors.
- Reorganized imports across multiple files for better code organization and consistency.
- Added WebSocket transport support for OpenAI Codex responses with automatic fallback to SSE on connection failure.
- Added preferWebsockets option to Agent and Model configurations to hint that WebSocket transport should be preferred when supported by provider implementations.
- Added prewarmOpenAICodexResponses() function to pre-establish WebSocket connections for improved performance.
- Added getProviderDetails() function and getOpenAICodexTransportDetails() function to expose transport state and provider configuration information.
- Added provider details display in session info showing active provider configuration and authentication details.
- Added OpenAI websockets setting to enable WebSocket transport preference for OpenAI Codex models in coding agent configuration.
- Replaced all direct `process.cwd()` calls with `getProjectDir()` utility function across 40+ files to centralize project directory resolution logic.
- Added `getProjectDir()` and `setProjectDir()` functions to `@oh-my-pi/pi-utils/dirs` module to provide abstracted project directory management.
- Made `SessionManager.list()` method asynchronous to support asynchronous session discovery operations.
- Updated default working directory resolution throughout codebase to use `getProjectDir()` instead of `process.cwd()` for improved project directory detection.
- Removed aggressive whitespace normalization that was breaking heredocs and indentation-sensitive scripts.
- Preserved internal spacing and tabs in bash command normalization to support heredocs and indentation-sensitive scripts.
- Added test cases for internal spacing preservation and heredoc indentation handling.
- Extracted directory path utilities from multiple packages into a centralized '@oh-my-pi/pi-utils/dirs' module.
- Moved 30+ path helper functions (getAgentDir, getConfigRootDir, getPluginsDir, getMCPConfigPath, etc.) from scattered locations into a single shared utility module.
- Consolidated APP_NAME, CONFIG_DIR_NAME, and VERSION constants into the centralized dirs module for reuse across packages.
- Updated 70+ import statements across packages/ai, packages/coding-agent, packages/stats, and packages/tui to use the new centralized module.
- Removed local path construction logic and replaced with utility function calls for improved maintainability and consistency.
- Deleted packages/coding-agent/src/extensibility/plugins/paths.ts as its functions were moved to the centralized dirs module.
- P1: Use root.scope instead of hardcoded 'user' level in claude-plugins provider
- P2: Iterate all registry entries per plugin ID, not just first one
- P3: Add home parameter to discoverAgents() for test isolation
- P4: Add test coverage for claude-plugins discovery (12 tests)
- P5: Cache listClaudePluginRoots results to avoid repeated parsing
Addresses issues found in adversarial review of PR #49
- Removed support for `.pi` configuration directory alias in favor of `.omp` across all packages.
- Updated all configuration paths and references from `.pi` to `.omp` in user and project directories.
- Refactored configuration discovery in builtin.ts to simplify directory traversal logic and remove multi-alias support.
- Simplified Python module discovery to use single directory paths instead of arrays of aliases.
- Updated debug and crash log paths from `.pi/agent/` to `.omp/agent/` in TUI package.
- Changed hashline format separator from two spaces to pipe character (|) throughout codebase for consistency.
- Simplified ollama installation checks in test files by replacing execSync with Bun.which() and inverting PI_NO_LOCAL_LLM to PI_LOCAL_LLM environment variable.
- Added early return guards in test beforeAll hooks to skip tests when required tools (ollama, magick) are unavailable.
- Added debug instrumentation to system prompt building via PI_DEBUG_STARTUP environment variable for startup performance monitoring.
- Removed prompt cache retention assertion from openai-codex streaming test.
- Changed hashline display format separator from pipe to two spaces for improved readability.
- Removed `lines` and `hashes` parameters from read tool in favor of automatic file display mode resolution.
- Added `resolveFileDisplayMode` utility to centralize file display mode configuration logic.
- Integrated file display mode settings into grep and read tools for consistent output formatting.
- Consolidated tool parameter types to use schema-derived types via Typebox `Static` utility.
- Updated parseLineRef to handle both legacy pipe-separator and new two-space hashline formats.
- Added new `replace` hashline edit operation for substring-style fuzzy text replacement without line references, with optional `all` flag for replace-all behavior.
- Added `noopEdits` array to `applyHashlineEdits` return value to report edits that produced no changes, including edit index, location, and current content for diagnostics.
- Added validation to detect and reject hashline edits using wrong-format fields (`old_text`/`new_text` from replace mode, `diff` from patch mode) with helpful error messages.
- Renamed hashline edit operation keys from `single`/`range`/`insertAfter` to `set_line`/`replace_lines`/`insert_after` for clearer semantics.
- Enhanced error messages for wrong-format hashline edits to guide users toward correct operation syntax.
- Added noopEdits array to applyHashlineEdits return type to track edits that produce no changes.
- Added validation to reject edits with wrong-format fields (old_text/new_text from replace mode, diff from patch mode) that indicate model confusion.
- Added additionalProperties tolerance to hashline edit schemas to allow flexible field handling.
- Added deduplication logic to remove duplicate edits targeting the same line(s) with identical destination content.
- Improved error handling for missing end fields in edit ranges by returning single-line specs instead of requiring both start and end.
- Enhanced no-op error recovery guidance in prompts with detailed instructions to re-read file and function context after consecutive no-op errors.
- Removed whitespace preservation logic that was overriding model-generated formatting choices in patch application.
- Deleted `preserveWhitespaceOnlyLines` and `preserveWhitespaceOnlyLinesLoose` functions that were incorrectly reverting intentional formatting changes.
- Updated test to reflect that model whitespace choices are now respected without override.
- Renamed hashline edit operation types from replaceLine/replaceLines to single/range for improved clarity.
- Renamed content field to replacement in hashline edit operations to better reflect its purpose.
- Enhanced no-op edit diagnostics to perform line-by-line comparisons and distinguish between identical and normalized replacements.
- Improved error messages for hashline edits to clarify differences between literal identical content and whitespace-normalized content.
- Removed timeout-retries configuration option from react-edit-benchmark CLI and simplified retry logic.
- Updated all test cases and documentation to reflect renamed hashline edit operation types and fields.
- Removed insertBefore and substr hashline edit operations, simplifying the edit API to support only replaceLine, replaceLines, and insertAfter operations.
- Updated hashline edit schema and type definitions to remove insertBefore and substr operation types from the ParsedRefs union and edit validation logic.
- Removed insertBefore and substr test cases from hashline test suite, including tests for insert-before functionality, anchor echo stripping, and substring matching.
- Updated benchmark runner to refactor edit operations from src/dst format to discriminated union types (replaceLine, replaceLines, insertAfter) and adjusted insertAfter line references.
- Redesigned hashline edit API to use discriminated union variants (replaceLine, replaceLines, insertAfter, insertBefore, substr) instead of nested src/dst structure.
- Changed hash algorithm from xxHash64 hex to xxHash32 base36 encoding and increased hash length from 2 to 3 characters.
- Added substr edit variant to match and replace content by unique substring when line hashes are unavailable.
- Implemented line relocation heuristics to resolve stale line references when hash uniquely identifies a moved line.
- Moved substr needle search from edit application phase to pre-validation phase for earlier error detection.
- Migrated hashline edit type definitions from manual TypeScript interfaces to schema-derived types using Static<typeof schema> pattern.
- Added `substr` source specification kind to match and replace lines by unique substring without requiring line-hash references.
- Implemented substring matching logic in hashline edits with validation for uniqueness and error handling for not-found and ambiguous cases.
- Added schema definition and type guards for the new `substr` operation type across patch system.
- Added mutation preview hints to error messages when edits fail with 'No changes made' errors, showing line numbers, hashes, and added/removed lines.
- Changed formatter to pin JavaScript fixtures to the flow parser to avoid parser-dependent formatting drift.
- Added whitespace preservation logic to treat whitespace-only differences as passing in file verification.
- Removed substring source specification kind from hashline edits, requiring users to use line-hash references instead.
- Simplified SrcSpec type to use generic type parameter for line references, removing substring variant from union.
- Updated react-edit-benchmark to use --max-tasks option for deterministic task sampling and changed default batch sizes to 1.
- Added streaming functions `streamHashLinesFromUtf8` and `streamHashLinesFromLines` for processing large files with configurable chunking.
- Added `HashlineStreamOptions` interface to control streaming behavior with `startLine`, `maxChunkLines`, and `maxChunkBytes` options.
- Changed hashline format from 4-character to 2-character hex hashes for more compact output.
- Updated `computeLineHash` function to normalize whitespace and removed line number from hash seed for consistency.
- Improved CLI argument parsing with explicit handling of `--help`, `--version`, and subcommand detection.
- Removed `@types/diff` dev dependency as it is no longer needed.
- Changed `HashlineEdit.src` from string format (e.g., `"5:ab"`, `"5:ab..9:ef"`) to structured `SrcSpec` object with discriminated union types (`{ kind: "single", ref: "..." }`, `{ kind: "range", start: "...", end: "..." }`, `{ kind: "insertAfter", after: "..." }`, `{ kind: "insertBefore", before: "..." }`, `{ kind: "substring", needle: "..." }`).
- Refactored `parseSrc` function to `parseSrcSpec` to handle structured `SrcSpec` objects instead of string parsing, replacing string validation and delimiter parsing logic with explicit case handling for each operation kind.
- Updated tool schema in `index.ts` to define `srcSpecSchema` as a discriminated union type with five variants, replacing the previous simple string-based `src` parameter definition.
- Added substring-based source matching for hashline edits to support matching lines by content when hash references are unavailable.
- Added automatic detection and repair of single-line merges where models incorrectly combine multiple lines into one.
- Added normalization of Unicode-confusable hyphens to ASCII hyphens to handle model-generated variations.
- Added heuristics to restore indentation and preserve wrapped line formatting during edits.
- Relaxed comma validation in src to allow commas while rejecting inputs with multiple line references.
- Enhanced parseLineRef to accept shorter hash prefixes instead of requiring exact hash matches.
- Improved error messages for hash mismatches to provide more actionable guidance.
- Replaced HashlineEdit API from old/new/after fields to src/dst fields with unified range syntax supporting single lines, ranges, insert-after, and insert-before operations.
- Added parseSrc() function to parse structured line references from src strings supporting formats like '5:ab', '5:ab..9:ef', '5:ab..', and '..5:ab'.
- Added heuristics to strip anchor line echoes and range boundary echoes from model-generated replacement content.
- Implemented preserveWhitespaceOnlyLinesLoose() for improved whitespace preservation using loose matching strategy when replacement line counts don't match.
- Added comprehensive benchmark reports for Claude Sonnet 4.5, Gemini 2.5 Flash Lite, and GPT-5.1 Codex Mini models evaluating hashline edit performance across 60 tasks.
- Added `toArray()` helper function to normalize `string | string[]` inputs for hashline edit operations with comma-separated line reference support.
- Added `HashlineMismatchError` class that displays grep-style output with `>>>` markers for hash validation failures.
- Added `HashMismatch` type for representing individual hash mismatches with line number, expected hash, and actual hash.
- Updated `HashlineEdit` type to accept `string | string[]` for `old` and `new` fields, allowing both singular and plural input formats.
- Reduced hash length from 4 to 2 hex characters (16-bit hashes) for more concise line references.
- Enhanced `parseLineRef()` to strip display-format suffixes and `validateLineRef()` to throw `HashlineMismatchError` with context lines for better error reporting.
- Added HashlineMismatchError class with formatted error messages showing mismatched hashes with context lines.
- Added HashMismatch type to represent hash validation errors with line number, expected, and actual hash values.
- Enhanced hash validation in applyHashlineEdits to collect all hash mismatches before applying edits instead of failing on first mismatch.
- Renamed HashlineEdit fields from 'src'/'dst' to 'old'/'new' for improved naming clarity and consistency.
- Added hashline edit mode for line-addressed edits using hash-verified line references with xxHash64 integrity verification.
- Replaced `edit.patchMode` boolean setting with `edit.mode` enum supporting 'replace', 'patch', and 'hashline' modes.
- Added `readHashLines` configuration setting to include line hashes in read output for hashline edit mode.
- Implemented `computeLineHash`, `formatHashLines`, `parseLineRef`, `validateLineRef`, and `applyHashlineEdits` utility functions for hashline operations.
- Updated read tool to support optional `hashes` parameter and prioritize hash lines over line numbers when both are requested.
- Changed `getEditModelVariants()` return type from `Record<string, 'patch' | 'replace'>` to `Record<string, EditMode | null>` and removed hardcoded model-specific defaults.
- Fixed bash tool hanging with background jobs by implementing timeout-based cancellation and draining stdout/stderr pipes instead of waiting indefinitely for EOF.
- Fixed crash when auto-reading large @mentions by adding file size validation (5MB for text, 25MB for images) before reading file contents.
- Prevented out-of-memory issues by skipping files exceeding size limits and displaying file size information in UI for skipped files.
- Added GB file size formatting support to handle very large files in human-readable format.
- Added file size display in UI for skipped files to inform users why files were not included.
- Added test case verifying bash executor returns correctly when command spawns background jobs.
- Fixed patch applicator to preserve indentation in context-only hunks by skipping unnecessary adjustments when pattern equals actual content.
- Implemented linear regression-based tab width inference to correctly convert space-indented diffs to tab-indented files using ax+b model.
- Added regression tests for context-only hunk handling and space-to-tab indentation conversion with offset models.
- Updated patch tool documentation to emphasize never using edit operations for indentation or formatting fixes.
- Fixed `newSession()` to properly await session manager operations for full initialization.
- Changed session formatting to use XML structure instead of YAML for tools and tool invocations.
- Added formatArgsAsXml() helper function to serialize objects as XML parameter elements.
- Removed trailing whitespace from task.md prompt file.
- Added regression test for AgentSession.newSession() to verify proper session switching and artifact isolation.
- Removed getCursorPosition() method from Component interface and implementations, eliminating hardware cursor positioning support.
- Changed PI_HARDWARE_CURSOR environment variable default from implicit true to explicit '1' with fallback pattern.
- Changed PI_CLEAR_ON_SHRINK environment variable default from implicit false to explicit '0' with fallback pattern.
- Added screen clearing on TUI startup to prevent shell prompts from bleeding into first rendered frame.
- Refactored full-render logic into reusable fullRender() helper function.
- Migrated authentication storage from JSON-based (auth.json) to database-based (agent.db) format across test files and configuration.
- Simplified auth storage discovery in sdk.ts by removing manual path construction and fallback logic in favor of centralized getAgentDbPath() function.
- Removed dbPath instance property from AuthStorage class as database path is now managed centrally.
- Updated environment variable precedence documentation to reflect agent.db instead of auth.json as the lowest priority source.
- Removed OAuth provider section header comments from multiple test files for cleaner test organization.
- Added support for JSON and JSONC configuration file formats without requiring migration to YAML.
- Added Windows-specific process handle duplication mechanism to safely manage process termination across multiple handles.
- Implemented Windows signal handling support with Signal enum variants (Terminate, Kill, Interrupt) and kill_process() function using Windows API.
- Added background job termination on cancellation with platform-specific implementations (TERM/KILL signals on Unix, TerminateProcess on Windows).
- Implemented cancellation token support in shell execution with proper cleanup of background jobs when timeout or abort occurs.
- Added test coverage for background job termination on timeout and abort scenarios.
- Refactored task API to use 'assignment' field instead of 'args' for per-task instructions, enabling clearer separation between shared context and task-specific work.
- Introduced structured context/assignment separation pattern with '<swarm_context>' wrapper for template rendering, replacing placeholder-based substitution.
- Changed agent frontmatter field from 'thinkingLevel' to 'thinking-level' (kebab-case) for consistency with YAML conventions.
- Removed 'context' parameter from ExecutorOptions as context is now prepended at template level rather than executor level.
- Removed 'args' field from AgentProgress and SingleResult interfaces, simplifying task result tracking.
- Updated task rendering to display full task text instead of formatted args, improving clarity in progress output.
- 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.
- Consolidated API key retrieval across test files to use centralized e2eApiKey() utility function instead of direct environment variable access.
- Removed local API_KEY constant definitions and replaced with imports of e2eApiKey from shared oauth test utilities.
- Updated test skip conditions to use e2eApiKey('ANTHROPIC_API_KEY') for consistent API key availability checks across all test suites.
- 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.
can1357