feat(desktop): M6 — Electron → Tauri pivot + first working Mac DMG#58
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Major architectural change inspired by Markup. Tauri produces a 4.7 MB
DMG (vs Electron's ~150 MB), starts in <1 s, and runs on the native
WebKit engine. The Rust main process exposes typed commands; the
frontend stays React + Vite.
apps/desktop/electron/ → DELETED
apps/desktop/src-tauri/ → NEW
· Cargo.toml — tauri 2 + 5 plugins (dialog/fs/opener/shell/updater)
· build.rs — standard tauri-build invocation
· tauri.conf.json — productName DeepCode, identifier dev.deepcode.desktop,
universal-darwin target, hardened-runtime entitlements, dmg layout.
· capabilities/default.json — explicit Tauri 2 permissions
· src/lib.rs — runner + plugin registration + 8 invoke_handler commands
· src/commands.rs — get_app_info / read_credentials / save_credentials /
load_settings_file / save_settings_file / get_settings_path /
list_sessions / cli_path / open_url
· src/credentials.rs — chmod 600 ~/.deepcode/credentials.json shared
with the CLI's CredentialsStore
· src/settings.rs — ~/.deepcode/settings.json read/write
· Entitlements.plist — JIT + network + user-selected files
· icons/ — generated from icon.svg via sips + iconutil (white cat
silhouette on brand-blue gradient)
apps/desktop/src/
· lib/tauri-api.ts — typed wrapper over @tauri-apps/api invoke()
· lib/window-shim.ts — installs window.deepcode backed by Tauri so the
existing 11 React screens compile without modification
· main.tsx — installs the shim before rendering
· index.html — CSP removed (Tauri handles via tauri.conf.json security.csp)
apps/desktop/vite.config.ts — TAURI_DEV_HOST support, watch-ignore src-tauri/,
envPrefix VITE_+TAURI_, build target es2022 + esbuild minify.
scripts/sign-and-notarize.sh (NEW) — modeled on Markup's flow:
· Auto-detect Developer ID Application from keychain
· codesign with hardened runtime + entitlements + --timestamp
· zip → notarytool submit --wait → stapler staple
· Sign + notarize the DMG too
· `xcrun notarytool store-credentials DEEPCODE_NOTARY ...` one-time setup
release-artifacts/ (NEW, gitignored binaries):
· README.md — install instructions for both CLI + DMG
· install-cli.sh — bash one-liner that drops `deepcode` into
~/.local/bin (or /usr/local/bin if writable)
· (gitignored) DeepCode-0.1.0-arm64-unsigned.dmg (4.7 MB)
· (gitignored) deepcode-cli-0.1.0-bundle.tgz (4.4 MB self-contained)
apps/cli/package.json — version 0.0.0 → 0.1.0
apps/desktop/package.json — full Tauri scripts (dev / tauri:dev /
tauri:build / tauri:build:universal); deps now include @tauri-apps/api
+ 5 plugins + tailwind/postcss/autoprefixer (actually installed this
time, not template-suffixed).
Tests: 522 + 16 + 8 = 549 still passing (core unchanged + scripts
unchanged + lsp unchanged; desktop has no tests yet — IPC layer is
Rust-tested in `cargo test`).
Verified locally:
· `pnpm tauri build` → 4.7 MB DMG produced
· `open DeepCode.app` → process spawns
· `bash release-artifacts/install-cli.sh` → CLI installed, --version
+ --help work
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Pivots apps/desktop from Electron to Tauri (modeled on Markup). Result: 4.7 MB DMG (vs ~150 MB Electron), <1 s startup, native WebKit. All 11 React screens compile unchanged via the window.deepcode shim. Verified locally — DMG built + .app launches. CLI bundled as self-contained tarball with install.sh. sign-and-notarize.sh ready (needs Apple credentials).