[Init] Initial commit - NetMesh terminal manager

CLAUDE.md

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+# CLAUDE.md
+
+This file provides guidance to Claude Code (claude.ai/code) when working with code in this repository.
+
+## Commands
+
+```bash
+# Install dependencies
+npm install
+
+# Start dev server (runs lint first, then Vite + Electron concurrently)
+npm run dev
+
+# Lint
+npm run lint
+npm run lint:fix
+
+# Run all tests
+npm test
+
+# Run a single test file
+node --test --import tsx path/to/file.test.ts
+
+# Build renderer
+npm run build
+
+# Package for current platform
+npm run pack
+
+# Package for specific platforms
+npm run pack:mac
+npm run pack:win
+npm run pack:linux
+```
+
+## Architecture
+
+Netcatty is an Electron + React desktop app (SSH manager, terminal, SFTP browser). It has two runtimes:
+
+### Electron Main Process (`electron/`)
+- **`main.cjs`** — entry point; wires crash logging, process error guards, and delegates to `main/registerBridges.cjs`
+- **`bridges/`** — one `.cjs` file per capability domain (sshBridge, sftpBridge, terminalBridge, portForwardingBridge, aiBridge, etc.). Each bridge exposes IPC handlers via `ipcMain`. Tests live alongside the bridge file (`*.test.cjs`).
+- **`preload.cjs`** — exposes a typed `window.electron` API to the renderer via `contextBridge`. Uses `preload/api.cjs` for the generated API surface.
+- **`cli/`** — `netcatty-tool-cli.cjs` is a separate internal binary for tool/MCP integration; treat as internal surface only.
+
+### Renderer Process (React + Vite)
+Three-layer architecture (see `AGENTS.md` for full detail):
+
+- **`domain/`** — pure TypeScript logic, no side effects. Models (`models.ts`), host helpers, workspace tree operations.
+- **`application/state/`** — React hooks that own state and persistence boundaries. Key hooks: `useVaultState` (hosts/keys/snippets), `useSessionState` (terminal sessions/workspace), `useSettingsState` (theme/config).
+- **`infrastructure/`** — external edges: `persistence/localStorageAdapter.ts` for storage, `services/` for network calls (Gemini AI, GitHub Gist sync), `config/` for defaults, storage keys, and terminal themes.
+- **`components/`** — presentation only. `App.tsx` wires hooks to components; no business logic in components.
+
+### IPC Pattern
+UI calls `window.electron.*` (preload API) → IPC → bridge handler in main process. Never call `ipcRenderer` directly from components.
+
+### Key Conventions
+- All storage reads/writes go through `localStorageAdapter`; storage keys are in `infrastructure/config/storageKeys.ts`.
+- Temporary files must use `tempDirBridge.getTempFilePath(fileName)` — never `os.tmpdir()` directly.
+- Aside panels (VaultView subpages) use the shared design system in `components/ui/aside-panel.tsx` — see `AGENTS.md` for usage patterns.
+- Renderer code is TypeScript/ESM; Electron main/bridges are CommonJS (`.cjs`).
+- Path alias `@/` resolves to the repo root (configured in `vite.config.ts` and `tsconfig.json`).
+
+## Reporting Issues & PRs
+
+Issues that skip the format gate are auto-closed. When opening issues (including via `gh` / API):
+
+- Title must start with `[Bug]`, `[Feature]`, or `[Other]` plus a short summary.
+- Body must use `.github/ISSUE_TEMPLATE/` (Bug Report or Feature Request) and fill required fields.
+- PRs should follow `.github/PULL_REQUEST_TEMPLATE.md`.
+
+See [CONTRIBUTING.md](./CONTRIBUTING.md) and the "Reporting Issues & PRs" section in [AGENTS.md](./AGENTS.md).