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refactor(desktop): make Tauri thin shell running web sidecar (#273)

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## What / Why
This PR finishes the desktop refactor: the Tauri app is now a thin shell that launches the web server as a sidecar and loads the UI from `http://127.0.0.1:<port>`. All real backend logic lives in `packages/web/server/index.js`; desktop Rust keeps only native integrations (menu/dialog/notifications/updater/deep-link + window chrome).
This unblocks:
- consistent behavior across web/desktop/vscode (single backend)
- simpler desktop maintenance (no duplicated Rust backend)
- host switching between Local + remote instances in desktop
- reliable cold-start behavior on slow machines (VSCode + desktop)
## Key changes
- Desktop sidecar runtime
  - build pipeline to bundle web dist + `openchamber-server` sidecar (`packages/desktop/scripts/build-sidecar.mjs`)
  - robust local port selection (prefer saved/default, fallback to random; persisted in `~/.config/openchamber/settings.json`)
  - improved PATH handling so the sidecar can locate `opencode` CLI (incl `~/.opencode/bin`, overrides, common bins)
  - disable native right-click context menu in production builds (dev keeps it)
- Desktop instance switcher (Tauri-only)
  - header button + modal to add/edit/delete remote hosts, set default, probe status/ping, switch back to Local escape hatch
  - auth gate includes host switcher so you can recover when a remote host is broken/auth-required
  - host list stored desktop-locally (not tied to the currently selected remote server)
- Notifications
  - decision logic moved server-side; desktop notifications emitted via sidecar stdout and shown natively by Tauri
  - prevent double-notifications on desktop Local origin (UI ignores SSE notification when native path is active)
  - restore macOS notification sound
- Updates
  - Tauri updater used only when viewing Local instance in desktop shell (avoid “remote web update” triggering desktop restart)
- Settings persistence & UX polish
  - persist model favorites/recents via `/api/config/settings` (works for web + desktop; not origin-dependent)
  - persist per-project sidebar collapse state in `projects[].sidebarCollapsed` via `/api/config/settings` (with debounce on toggles)
  - macOS header sizing/traffic-lights offsets fixed (marketing macOS major injected from desktop; MultiRun header aligned)
  - VSCode cold-start: keep retrying provider/agent loads after connection to avoid empty UI on slow machines
  - misc lint/type fixes + bun.lock sync
- Desktop bootstrap / resiliency
  - show onboarding screen when OpenCode CLI is missing (desktop Local origin), with retry hook to restart OpenCode after install
## Testing notes
- Desktop (macOS): switch Local <-> remote, set default host, verify auth gate recovery, native notifications (with sound), updater gated to Local
- Web: favorites/recents + per-project collapsed state persist across reload/restart
- VSCode: slow startup no longer results in missing providers/agents/models
This commit is contained in:
Bohdan Triapitsyn
2026-02-05 01:59:49 +02:00
committed by GitHub
parent b733f26aed
commit 83ffb1af34
130 changed files with 4230 additions and 23488 deletions
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AGENTS.md
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@@ -3,6 +3,11 @@
## Core purpose
OpenChamber provides UI runtimes (web/desktop/VS Code) for interacting with an OpenCode server (local auto-start or remote URL). UI uses HTTP + SSE via `@opencode-ai/sdk`.
## Runtime architecture (IMPORTANT)
- `Desktop` is a thin Tauri shell that starts the web server sidecar and loads the web UI from `http://127.0.0.1:<port>`.
- All backend logic lives in `packages/web/server/*` (and `packages/vscode/*` for the VS Code runtime). Desktop Rust is not a feature backend.
- Tauri is used only for stable native integrations: menu, dialog (open folder), notifications, updater, deep-links.
## Tech stack (source of truth: `package.json`, resolved: `bun.lock`)
- Runtime/tooling: Bun (`package.json` `packageManager`), Node >=20 (`package.json` `engines`)
- UI: React, TypeScript, Vite, Tailwind v4
@@ -31,7 +36,7 @@ All scripts are in `package.json`.
- Web bootstrap: `packages/web/src/main.tsx`
- Web server: `packages/web/server/index.js`
- Web CLI: `packages/web/bin/cli.js` (package bin: `packages/web/package.json`)
- Desktop bootstrap: `packages/desktop/src/main.tsx`
- Desktop: Tauri entry `packages/desktop/src-tauri/src/main.rs` (spawns web server sidecar + loads web UI)
- Tauri backend: `packages/desktop/src-tauri/src/main.rs`
- VS Code extension host: `packages/vscode/src/extension.ts`
- VS Code webview bootstrap: `packages/vscode/webview/main.tsx`