fix(wishes): add markdown parsing and persist chat history

Author: postEntropy

GEMINI.md

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+# Gemini CLI - Contextual Instructions
+
+This file provides foundational context for Gemini CLI when interacting with the **Gear Optimizer** project.
+
+## Project Overview
+**Gear Optimizer** is a high-performance React-based web application designed to optimize equipment loadouts for the game *NGU Idle*. It is a modernized fork of the original optimizer, featuring a sleek Material UI (MUI) interface, real-time "Live Sync" via a game mod, and advanced projections for NGU and Hack growth.
+
+### Core Technologies
+- **Frontend**: React 18, Vite, Material UI (MUI) v5, Recharts.
+- **State Management**: Redux Toolkit, Redux-Saga.
+- **Performance**: Heavy mathematical computations (optimization algorithms) are offloaded to **Web Workers** (`src/sagas/optimize.worker.js`).
+- **Integration**: 
+  - **C# (BepInEx)**: A mod (`build_mod/`) that enables real-time data syncing from the game to the web app.
+  - **Python/Bash**: Scripts in `data/` for decoding game saves and gathering item data.
+
+## Project Structure
+- `src/`: Main application source.
+  - `actions/` & `reducers/`: Redux logic (using `@reduxjs/toolkit`).
+  - `sagas/`: Orchestrates Web Workers and async side effects.
+  - `components/` & `containers/`: UI architecture.
+  - `utils/`: Core scoring logic (`scoring.js`) and game-specific formatting.
+  - `assets/`: Item databases (`Items.js`) and images.
+- `data/`: Utility scripts for processing game data and saves.
+- `build_mod/`: Source code for the `NGULiveSync` C# mod.
+- `public/`: Static assets, including the pre-compiled `NGULiveSync.dll`.
+
+## Building and Running
+
+### Development
+```bash
+npm install
+npm start        # Starts the Vite development server
+```
+
+### Production & Testing
+```bash
+npm run build    # Generates a production build in /dist (or /build)
+npm run preview  # Previews the production build locally
+npm test         # Runs Vitest tests
+```
+
+### Deployment
+```bash
+npm run deploy   # Deploys the application to GitHub Pages
+```
+
+## Development Conventions
+
+### State & Logic
+- **Slices**: Use Redux Toolkit's `createSlice` for state mutations (found in `src/reducers/optimizerSlice.js`).
+- **Immutability**: While RTK uses Immer, ensure complex state transitions (like adding/removing slots) are handled safely.
+- **Workers**: Do not perform heavy loops or optimization logic on the main thread; use the Saga/Worker pattern established in `src/sagas/`.
+
+### UI & Styling
+- **MUI**: Adhere to the Material UI v5 components and system.
+- **Theming**: Use the custom theme definitions in `src/theme.js` and `src/themeColors.js`.
+- **Responsive Design**: The application uses a glassmorphism aesthetic; maintain consistency with existing `App.css` styles.
+
+### Domain Logic
+- **Scoring**: Gear scores are calculated in `src/utils/scoring.js`. Any changes to stat weights or hardcaps must be verified against game mechanics.
+- **Formatting**: Use `src/utils/formatting.js` for game-style number abbreviations (K, M, B, T, etc.).
+
+## Integration Notes
+- **Live Sync**: The web app listens for data via a socket or local server provided by the C# mod. Changes to the data structure in `optimizerSlice` may require corresponding updates in `NGULiveSync.cs`.
+- **Data Gathering**: If the game adds new items, use the scripts in `data/` to regenerate `src/assets/Items.js`.