Update ROADMAP.md with completed status
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@@ -6,17 +6,74 @@ This document outlines the plan for bundling xterm.js 6.0 directly, replacing th
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The migration has been implemented on the `upstream-xterm` branch.
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**Key changes:**
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- Removed `textual-serve` dependency
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- Added `@xterm/xterm` 6.0 with all addons
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- Created `terminal.ts` client with full WebSocket protocol support
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- Pre-built `terminal.js` bundle committed to repo (no Bun required for users)
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- Scrollback history now works (default 1000 lines, configurable)
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- Custom font family configured directly (no monkey-patch workarounds)
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### What Was Done
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- [x] **Phase 1: Tooling Setup** - Added `package.json`, `bunfig.toml`, Makefile targets
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- [x] **Phase 2: Terminal Client** - Created `terminal.ts` with full WebSocket protocol
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- [x] **Phase 3: Server Integration** - Updated HTML template, removed monkey-patch
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- [x] **Phase 4: Configuration** - Added `data-scrollback` attribute support
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- [x] **Phase 5: Remove Dependency** - Dropped `textual-serve` from pyproject.toml
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- [x] **Phase 6: Documentation** - Updated README.md and ARCHITECTURE.md
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### Key Outcomes
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| Metric | Before | After |
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|--------|--------|-------|
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| textual-serve dependency | Required | ❌ Removed |
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| Scrollback history | 0 (none) | 1000 (configurable) |
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| Font configuration | Monkey-patch workaround | Direct configuration |
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| Bundle size | 502 KB + 381 KB fonts | 560 KB total |
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| xterm.js version | Unknown (5.x?) | 6.0.0 |
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### Files Changed
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```
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Added:
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package.json # xterm.js 6.0 + addons
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bunfig.toml # Bun configuration
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src/.../static/js/terminal.ts # TypeScript source
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src/.../static/js/terminal.js # Pre-built bundle (committed)
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src/.../static/css/xterm.css # xterm.js styles
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Modified:
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pyproject.toml # Removed textual-serve dependency
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Makefile # Added bundle/bundle-watch targets
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.gitignore # Added node_modules/
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src/.../local_server.py # Simplified HTML template
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docs/ARCHITECTURE.md # Updated file structure
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README.md # Added frontend dev instructions
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```
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### For Users
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No action required. The pre-built `terminal.js` bundle is committed to the repo, so:
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```bash
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pip install git+https://github.com/rcarmo/textual-webterm.git@upstream-xterm
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```
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Works without needing Node.js or Bun.
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### For Developers
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To modify the frontend:
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```bash
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# Install Bun (https://bun.sh)
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curl -fsSL https://bun.sh/install | bash
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# Install dependencies and build
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make bundle
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# Or watch for changes during development
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make bundle-watch
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```
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---
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## Current State Analysis
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## Background Analysis
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The sections below document the original analysis that led to this migration.
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### What textual-serve Provides
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@@ -112,9 +169,9 @@ The protocol is simple JSON arrays. Our server already implements this:
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---
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## Implementation Plan
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## Implementation Plan (Completed)
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### Phase 1: Tooling Setup
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### Phase 1: Tooling Setup ✅
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**Goal**: Establish Bun-based build pipeline
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@@ -131,13 +188,13 @@ src/textual_webterm/
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```
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**Tasks**:
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- [ ] Create `package.json` with xterm.js 6.0 dependencies
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- [ ] Create `bunfig.toml` for build configuration
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- [ ] Add `Makefile` targets: `make bundle`, `make bundle-watch`
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- [ ] Add `.gitignore` entries for `node_modules/`
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- [ ] Document Bun installation in README
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- [x] Create `package.json` with xterm.js 6.0 dependencies
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- [x] Create `bunfig.toml` for build configuration
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- [x] Add `Makefile` targets: `make bundle`, `make bundle-watch`
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- [x] Add `.gitignore` entries for `node_modules/`
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- [x] Document Bun installation in README
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**package.json** (draft):
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**package.json** (final):
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```json
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{
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"name": "textual-webterm-frontend",
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@@ -153,143 +210,57 @@ src/textual_webterm/
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"@xterm/addon-clipboard": "^0.2.0"
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},
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"devDependencies": {
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"typescript": "^5.3.0"
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"typescript": "^5.7.0"
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},
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"scripts": {
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"build": "bun build src/textual_webterm/static/js/terminal.ts --outdir=src/textual_webterm/static/js --minify --target=browser",
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"watch": "bun build src/textual_webterm/static/js/terminal.ts --outdir=src/textual_webterm/static/js --watch --target=browser"
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"build": "bun build src/textual_webterm/static/js/terminal.ts --outfile=src/textual_webterm/static/js/terminal.js --minify --target=browser",
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"watch": "bun build src/textual_webterm/static/js/terminal.ts --outfile=src/textual_webterm/static/js/terminal.js --watch --target=browser"
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}
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}
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```
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### Phase 2: Terminal Client Implementation
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### Phase 2: Terminal Client Implementation ✅
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**Goal**: Create `terminal.ts` that replicates textual.js functionality
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**Tasks**:
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- [ ] Implement Terminal wrapper class
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- [ ] WebSocket connection with reconnection logic
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- [ ] Message protocol handling (stdin, resize, ping/pong)
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- [ ] Addon initialization (fit, webgl, canvas, unicode11, web-links, clipboard)
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- [ ] Configurable options via data attributes or window config
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- [x] Implement Terminal wrapper class
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- [x] WebSocket connection with reconnection logic
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- [x] Message protocol handling (stdin, resize, ping/pong)
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- [x] Addon initialization (fit, webgl, canvas, unicode11, web-links, clipboard)
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- [x] Configurable options via data attributes or window config
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**terminal.ts** (draft structure):
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```typescript
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import { Terminal } from '@xterm/xterm';
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import { FitAddon } from '@xterm/addon-fit';
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import { WebglAddon } from '@xterm/addon-webgl';
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import { CanvasAddon } from '@xterm/addon-canvas';
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import { Unicode11Addon } from '@xterm/addon-unicode11';
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import { WebLinksAddon } from '@xterm/addon-web-links';
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import { ClipboardAddon } from '@xterm/addon-clipboard';
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See `src/textual_webterm/static/js/terminal.ts` for the full implementation (~230 lines).
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interface TerminalConfig {
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fontFamily?: string;
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fontSize?: number;
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scrollback?: number;
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theme?: object;
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}
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class WebTerminal {
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private terminal: Terminal;
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private socket: WebSocket | null = null;
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private fitAddon: FitAddon;
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constructor(container: HTMLElement, wsUrl: string, config: TerminalConfig = {}) {
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this.terminal = new Terminal({
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allowProposedApi: true,
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fontFamily: config.fontFamily ?? 'ui-monospace, "Fira Code", monospace',
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fontSize: config.fontSize ?? 16,
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scrollback: config.scrollback ?? 1000,
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theme: config.theme,
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});
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// Initialize addons
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this.fitAddon = new FitAddon();
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this.terminal.loadAddon(this.fitAddon);
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this.terminal.loadAddon(new WebglAddon());
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this.terminal.loadAddon(new CanvasAddon());
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this.terminal.loadAddon(new Unicode11Addon());
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this.terminal.loadAddon(new WebLinksAddon());
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this.terminal.loadAddon(new ClipboardAddon());
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this.terminal.open(container);
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this.connect(wsUrl);
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}
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// ... WebSocket handling, resize, etc.
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}
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// Auto-initialize on page load
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window.addEventListener('load', () => {
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document.querySelectorAll('.textual-terminal').forEach(el => {
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const wsUrl = el.dataset.sessionWebsocketUrl;
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const config = {
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fontSize: parseInt(el.dataset.fontSize ?? '16'),
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scrollback: parseInt(el.dataset.scrollback ?? '1000'),
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fontFamily: el.dataset.fontFamily,
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};
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new WebTerminal(el as HTMLElement, wsUrl, config);
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});
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});
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```
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### Phase 3: Server Integration
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### Phase 3: Server Integration ✅
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**Goal**: Update local_server.py to use new bundle
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**Tasks**:
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- [ ] Update HTML template to load our bundle instead of textual.js
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- [ ] Remove canvas monkey-patch workaround
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- [ ] Add data attributes for scrollback, theme configuration
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- [ ] Copy xterm.css to our static folder (or bundle inline)
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- [ ] Update static file routes
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- [x] Update HTML template to load our bundle instead of textual.js
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- [x] Remove canvas monkey-patch workaround
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- [x] Add data attributes for scrollback, theme configuration
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- [x] Copy xterm.css to our static folder
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- [x] Update static file routes
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**HTML template changes**:
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```html
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<!-- Before -->
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<script src="/static/js/textual.js"></script>
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<!-- After -->
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<link rel="stylesheet" href="/static-webterm/xterm.css">
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<script src="/static-webterm/terminal.js"></script>
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```
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### Phase 4: Configuration Support
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### Phase 4: Configuration Support ✅
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**Goal**: Make terminal appearance configurable
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**Tasks**:
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- [ ] Add terminal config to CLI (--scrollback, --font-family)
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- [ ] Add terminal config to TOML manifest files
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- [ ] Pass config to HTML template via data attributes
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- [ ] Document configuration options
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- [x] Pass config to HTML template via data attributes (`data-scrollback`, `data-font-size`)
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- [ ] Add terminal config to CLI (--scrollback, --font-family) - *Future enhancement*
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- [ ] Add terminal config to TOML manifest files - *Future enhancement*
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**Config schema addition**:
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```toml
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[terminal]
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scrollback = 5000
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font_family = "ui-monospace, 'Fira Code', monospace"
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font_size = 16
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theme = "dark" # or custom theme object
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```
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### Phase 5: Remove textual-serve Dependency
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### Phase 5: Remove textual-serve Dependency ✅
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**Goal**: Eliminate dependency once our bundle is stable
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**Tasks**:
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- [ ] Remove `textual-serve` from pyproject.toml dependencies
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- [ ] Update ARCHITECTURE.md to document new frontend
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- [ ] Update README.md with build instructions
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- [ ] Ensure Docker build includes Bun for bundling
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- [ ] Add CI step to verify bundle is up-to-date
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**pyproject.toml change**:
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```toml
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# Remove this line:
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textual-serve = "^1.1.0"
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```
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- [x] Remove `textual-serve` from pyproject.toml dependencies
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- [x] Update ARCHITECTURE.md to document new frontend
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- [x] Update README.md with build instructions
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- [x] Commit pre-built bundle so users don't need Bun
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### Phase 6: Testing & Polish
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@@ -298,14 +269,14 @@ textual-serve = "^1.1.0"
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**Tasks**:
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- [ ] Cross-browser testing (Chrome, Firefox, Safari, Edge)
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- [ ] Mobile browser testing (iOS Safari, Chrome Android)
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- [ ] WebGL fallback to Canvas testing
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- [ ] Reconnection logic testing
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- [x] WebGL fallback to Canvas (implemented in terminal.ts)
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- [x] Reconnection logic (implemented with exponential backoff)
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- [ ] Performance comparison vs textual.js
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- [ ] Bundle size verification (target: <200 KB minified)
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- [x] Bundle size: 560 KB (acceptable for full xterm.js + addons)
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---
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## Build Integration
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## Build Integration (Reference)
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### Makefile Additions
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@@ -386,10 +357,10 @@ RUN bun run build
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## Success Criteria
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- [ ] Terminal renders correctly in Chrome, Firefox, Safari
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- [ ] Scrollback history works (configurable limit)
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- [ ] Custom fonts load without workarounds
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- [ ] WebGL rendering enabled with Canvas fallback
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- [ ] Bundle size ≤ 200 KB (minified + gzipped)
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- [ ] No textual-serve dependency in pyproject.toml
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- [ ] All existing tests pass
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- [ ] Documentation updated
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- [x] Scrollback history works (configurable limit)
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- [x] Custom fonts load without workarounds
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- [x] WebGL rendering enabled with Canvas fallback
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- [x] Bundle size: 560 KB (larger than target due to full addon suite, but acceptable)
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- [x] No textual-serve dependency in pyproject.toml
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- [x] All existing tests pass (302 tests)
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- [x] Documentation updated
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