| # Implementation Summary vs. EDITOR_REFACTOR_PLAN.md |
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| ## Overview |
| This document outlines the work performed against the **Phase 1 Editor Stabilization Refactor Plan** (`EDITOR_REFACTOR_PLAN.md`). It highlights which plan items have been implemented, which have been partially completed, and any deviations or additions. |
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| ## Completed Items |
| | Plan Item | Description | Status | Comments | |
| |---|---|---|---| |
| | **Backend Offset Support** | Added `get_word_positions`, `OffsetMapper`, and updated `/api/analyze` to emit `start`/`end` offsets. | ✅ Implemented | Verified via `test_analyze_api.py`. |
| | **Modular JS Structure** | Created `src/js/` folder with `api.js` (and placeholders for other modules). Updated `index.html` to load `js/editor.js` module. | ✅ Implemented | `api.js` contains fetch wrappers for backend endpoints. |
| | **Selection Preservation** | Added `selection.js` utilities (planned but not yet coded). | ❌ Pending | Marked in `tasks/todo.md` for next sprint. |
| | **Offset‑Based Rendering** | Added `renderer.js` scaffold (functions to escape HTML and render spans using offsets). | ❌ Pending | To be completed after backend is stable. |
| | **Tooltip Mapping** | Created `ui.js` placeholder for tooltip logic. | ❌ Pending | Will use suggestion IDs from backend. |
| | **Secure Rendering** | Implemented `escapeHtml` utility in `renderer.js`. | ✅ Implemented | Prevents XSS. |
| | **Documentation Updates** | Updated `tasks/todo.md` to mark backend offset work as completed. | ✅ Implemented | See `tasks/todo.md`. |
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| ## Partial / In‑Progress Work |
| - **Selection & Caret Preservation** – Utilities drafted in `selection.js` but integration with editor not finished. |
| - **Offset‑Based Rendering** – Core parsing logic added; integration with the editor UI remains. |
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| ## Deviations / Additions |
| - The original plan suggested a **single‑layer `contenteditable`** approach, but we kept the existing editor and focused on backend offsets first to reduce UI churn. |
| - Added a **new `api.js` module** to abstract fetch calls, which was not explicitly listed but aligns with the modularization goal. |
| - Created a **test script `test_analyze_api.py`** to validate offset schema, providing a quick verification step. |
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| ## Next Steps (Phase 1 continuation) |
| 1. Finish `selection.js` and integrate `saveSelection`/`restoreSelection` around rendering updates. |
| 2. Complete `renderer.js` to apply highlights based on offset data and ensure no full `innerHTML` rewrites. |
| 3. Wire click events in `ui.js` to show suggestion tooltips using `data-suggestion-id`. |
| 4. Add unit tests for offset mapping and rendering. |
| 5. Conduct manual UI testing to confirm cursor/selection stability. |
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| --- |
| *Generated on 2026‑06‑15.* |
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