- Restructured hashline edit schema from flat op/pos/end/lines fields to nested loc/content objects with discriminated union types.
- Replaced operation names (replace_line, replace_range, append_at, prepend_at) with unified loc object patterns supporting line, block, append, and prepend anchors.
- Updated content field to accept array of strings or null instead of lines parameter in edit entries.
- Refactored edit resolution logic to dispatch on loc shape instead of op enum, simplifying location handling.
- Renamed `file` parameter to `path` in edit tool schemas and all test cases for consistency.
- Removed `file` property fallback from EditRenderArgs interface and path resolution methods.
- Refactored browser viewport schema to use snake_case `device_scale_factor` with explicit camelCase mapping for Puppeteer API.
- Added hashline edit rule requiring `end` tag to include closing braces/brackets when replacing blocks.
- Refactored INTENT_FIELD injection logic to conditionally reorder schema properties and update required array.
- Extracted credential storage to shared @oh-my-pi/pi-ai package with AuthCredentialStore and AuthStorage classes.
- Consolidated UI formatting logic from ToolUIKit class into standalone utility functions across render-utils and output-meta modules.
- Moved utility functions (parseCommandArgs, substituteArgs, expandPath, normalizeUnicode) to dedicated modules for improved code reuse.
- Extracted JTD type definitions and type guards to jtd-utils module for shared use across schema conversion tools.
- Updated Claude model pricing and added cache read costs in models.json for accurate billing calculations.
- Refactored agent-storage to delegate credential management to AuthCredentialStore instead of direct SQLite operations.
- Redesigned hashline edit API with new operation names (set, set_range, insert) and structured body parameter accepting string arrays for multiline edits.
- Changed hashline reference format from LINE:HASH to LINE#ID throughout tools and documentation for improved clarity.
- Enhanced insert operation to support optional before/after anchors enabling flexible insertion positioning and boundary echo stripping.
- Made hashline autocorrect heuristics conditional on PI_HL_AUTOCORRECT environment variable for controlled behavior.
- Added benchmark reports for claude-haiku-4-5 and GPT-5.2-Codex models demonstrating hashline edit variant performance.
- Improved skill discovery to use native glob pattern matching instead of manual directory traversal, enabling more efficient file discovery with gitignore support.
- Enhanced hashline reference parsing to accept optional leading whitespace and arrow prefixes (>>> or >>), allowing more flexible formatting of hashline references.
- Strengthened type safety in hashline edit formatting by adding runtime type guards and defensive property access for malformed edit objects.
- Fixed skill discovery to extract skill names from directory paths when frontmatter name is missing, improving fallback behavior.
- Updated ajv dependency from ^8.17.1 to ^8.18.0.
- 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.
- 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.
- Added computeHashlineDiff function to compute diffs for hashline-based edits without applying them.
- Added support for hashline edits in tool execution with caching mechanism to avoid redundant diff computations.
- Added formatStreamingHashlineEdits function to format and display hashline edits with configurable limits.
- Enhanced EditRenderArgs interface with optional previewDiff and edits fields for hashline mode support.
- Refactored import paths from absolute package-scoped imports to relative imports for better module resolution.
- Fixed tab character display in error messages and bash tool output by applying replaceTabs() sanitization.
- Added TUI rendering sanitization documentation to AGENTS.md with guidelines for sanitizing text in tool renderers.
- Applied replaceTabs() function to error text in patch shared module to ensure proper tab-to-space conversion.
- Applied replaceTabs() function to bash tool output lines in both expanded and collapsed display modes.
- Fixed tab character rendering in tool output previews and code cell displays by converting tabs to spaces for consistent terminal display.
- Applied replaceTabs() function across patch rendering, write tool output, and code cell output to ensure uniform tab handling.
- Implemented width-aware text truncation across all tool renderers to respect terminal width constraints and prevent output overflow.
- Enhanced render caching to include width parameter for cache invalidation when terminal width changes, improving cache accuracy.
- Migrated truncateToWidth function imports from render-utils to centralized tui module for better code organization.
- Introduced Hasher utility for generating width-aware cache keys in calculator, find, grep, todo-write, and write tools.
- Optimized box component rendering to only truncate lines that exceed content width, reducing unnecessary truncation operations.
- Implemented caching for tool output block rendering to avoid redundant computations on re-renders.
- Enhanced read tool grouping to prevent coalescing across narrative boundaries (text/thinking blocks between tool calls).
- Improved string preview formatting to detect multi-line strings and display line counts with ellipsis indicators.
- Refactored tool execution component to use reactive render state tracking for better state management.
- Enhanced error handling in tool renderers with logging for failures.
- Fixed truncation indicator to use ellipsis character instead of verbose suffix.
- 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.
- 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.
- 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.
- Fixed indentation and line breaks in nested code blocks (lsp/render.ts, patch/shared.ts).
- Collapsed overlong function arguments and ternary expressions to standard line length.
- Reorganized import statements for consistency (ask.ts).
- Improved readability of conditional expressions (output-block.ts, web/search/render.ts, python.ts).
- 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.
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