Commit d43655541 made splitHashlineInputs silently drop sections whose
body has no operations, so '@<path>\n' alone now yields zero sections
and trips the 'exactly one hashline section' guard before reaching the
no-op or local-URL checks the tests intended to exercise.
- 'returns no-op error for unchanged content' now uses '= 1<hash>..1<hash>'
with the existing line as payload (true no-op via formatLineHash).
- 'returns a handled error when the source path is a local URL' appends
'+ EOF\n' so the section is emitted and resolveToCwd surfaces the
internal-scheme rejection.
- Added `./hashline` package exports and redirected callers to the new hashline entrypoint.
- Moved hashline logic out of `edit/` to `src/hashline` and removed `edit/modes/hashline`/`edit/line-hash` paths.
- Added hashline parsers, anchors, types, and diff helpers with stricter input and mismatch validation.
- Implemented preflight and cache-recovery execution flows to reapply edits and handle stale anchor mismatches.
- Documented the hashline API relocation as breaking changes in `CHANGELOG.md`.
- Added inline hashline parse and apply support for `<` prepend and `+` append operations with prefix+suffix edits.
- Added fail-fast behavior to reject inline modify ops combined with delete or replace on same line.
- Renamed HASHLINE_* and mode symbols to HL_* in prompt tooling, read/search checks, and prompt templates.
- Standardized separators to `PI_HL_SEP`/`HL_EDIT_SEP` and fixed `HL_BODY_SEP='|'`, updating parser formatting behavior.
- Updated benchmark subtype constants and python cleanup test setup to use HL_* values and AgentRegistry mock failure injection.
- Required top-level `path` in edit requests, removed per-entry `path` fields, and updated docs/tests to match.
- Updated patch/hashline/atom streaming preview generation to return a single request-level path diff preview.
- Changed edit execution to route patch/replace/atom/hashline through single-path handlers sharing `path`.
- Added `scripts/analyze-edit-formats` Go CLI with reports to audit edit-tool usage from session JSONL logs.
- Removed `pi-natives` chunk language classifier modules and all core chunk subsystems (kind, state, render, edit, resolve).
- Removed chunk-mode CLI/read/edit entrypoints, including `read` command and chunk mode registration/prompt tooling.
- Removed chunk selectors from `read` and `grep` tools, switching behavior to raw/L-range handling.
- Fixed poll wait parsing to keep defaulting to `30s` when the provided value is empty.
- Added auto-rebasing for stale atom and hashline anchors within ±2 lines, with warning diagnostics.
- Removed atom range-locator support and dropped `between` ops, updating docs/tests for `sub` over `set` nudges.
- Changed no-op handling to track unchanged hashline edits and emit contextual hints for unchanged ranges.
- Expanded Anthropic strict error handling to retry on schema-too-complex and compiled-grammar-too-large errors.
- Added anchor-retargeting warning checks and updated edit tests to expect locator and range-locator rejections.
- Updated python tool-call fixtures by adding `title` to executed-cell payloads and adjusting related test expectations.
- Aligned hashline and chunk token handling to `HASHLINE_BIGRAMS` in `computeLineHash` and parsing regexes.
- Removed hashline file-level `move`/`delete` options from schemas and execution so edits are in-place updates only.
- Hardened hashline prefix parsing to reject non-bigram IDs, preventing false stripping of `#` comment lines.
- Updated `read()`/prompt wording so raw reads skip prefixes and examples now show anchors like `123#th`.
- Updated hashline chunk tests for new `HASHLINE_BIGRAMS` IDs and replaced stale hash constants.
- Removed `read: true` from chunk edit schema and validation logic, including mixed read/write checks and read-only execution paths.
- Updated chunk edit normalization to treat chunk operations as mutating and removed unused read-result handling.
- Updated prompts and changelog guidance to require `open` for inspection and document that chunk edits use only `write`, `insert`, or `delete`.
- Added markdown `Row` chunk support by introducing `ChunkKind::Row`, mapping it to tag `"row"`, and emitting row chunks for table rows.
- Updated Go chunk parsing to support method signatures (`func (recv) Name`), prefer method parsing in signatures, and adjust root rules to classify package/import chunks correctly.
- Changed chunk-edit behavior to add read-only `read:true`, replace `write:null` deletes with explicit `delete`, and require one explicit action per entry.
- Added safer chunk-edit execution with region matching, replacement reindentation, table-row append handling, and stricter warnings/errors for boundary and invalid operations.
- Updated `chunkReadPathSeparatorIndex` to detect URL schemes and split at the final selector colon only after the URL path.
- Added tests for `parseChunkEditPath` and `parseChunkReadPath` covering local plan URLs with selectors and scheme-only URLs.
- Added multi-file edit payload support by requiring per-entry `edits` arrays across patch, hashline, replace, and chunk modes.
- Changed edit schemas and validators to move `path` (and `sel`->`path`) and op data into each edit entry.
- Changed edit execution flow to parse `file:selector` paths, run single-entry executors per file, and return grouped per-file results.
- Updated chunk diff rendering and test expectations to emit consistent anchor gutters with spaced pipes and `^` head-line markers.
- Added parse_error_lines to ChunkTree and threaded parse-error line metadata through tree creation.
- Changed count_parse_errors to return (count, line numbers) and collect recursive parse-error positions.
- Added hashline edit input resolution so computeHashlineDiff accepts loc/content edits and throws on invalid payloads.
- Fixed apply_edits error rendering to fall back to full-tree context when edited chunks have downstream parse errors.
- Reorganized edit tool from `patch/` to `edit/` directory with dedicated mode subdirectories (chunk, patch, hashline, replace).
- Replaced line-scoped edit operations with substring-based `find` parameter and added `replace_body` operation for preserving signatures.
- Added chunk focus modes (Expanded, Collapsed, Container) and focused rendering to display only touched chunks and adjacent siblings.
- Implemented notebook (ipynb) language support with virtual source conversion and cell-based chunk parsing.
- Enhanced chunk edit error messages with consistent checksum mismatch reporting and improved chunk selector auto-resolution.
- Extracted edit mode implementations into separate modules with improved helper functions and LSP integration for diagnostics.
- 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.
- 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 multi-cell Python execution with sequential processing in persistent kernel.
- Changed Python tool API to use cells array instead of single code parameter.
- Renamed workdir parameter to cwd across Bash and Python tools for consistency.
- Fixed indentation adjustment logic for mixed indentation levels in patch tool.
- Refactored edit tool implementation with modular patch architecture.
- Moved edit tool implementation from edit/ to patch/ module.
- Updated import paths for EditToolDetails across core modules.
- Enhanced patch parsing with unified diff and Codex-style patch support.
- Improved fuzzy matching algorithms for more robust text location.
- Added model generation script to automatically fetch and update AI model definitions from models.dev and OpenRouter APIs.
- Implemented support for multiple providers including Anthropic, Google, OpenAI, Groq, Cerebras, xAI, Mistral, OpenCode, GitHub Copilot, OpenRouter, Google Vertex, and Cursor.
- Updated generated file comment to reference bun instead of npm for running the script.
- Added fallback matching without indent depth when file and target have inconsistent indentation patterns.
- Refactored fuzzy matching logic into findBestFuzzyMatchCore helper function.
- Added comprehensive test suite for findEditMatch covering exact matching, tab/space normalization, and edge cases.
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