5f2ccf8823
- Broke down the massive launcher_cfg.svelte into 7 modular sub-components. - Updated electron_relay.ts with Phase 5 presentation controls and manifest tools. - Updated architecture documentation to reflect the new TypeScript-based native bridge.
72 lines
3.6 KiB
Markdown
72 lines
3.6 KiB
Markdown
# Aether Native Electron App - V3 Architecture (2026)
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## 1. Overview
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The Aether Native App serves as the OS-level bridge for the SvelteKit frontend. It enables functionality that is normally restricted by browser sandboxing, such as local filesystem management, hardware telemetry, and direct control of third-party presentation software (PowerPoint, Keynote, LibreOffice).
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---
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## 2. The Three-Layer Architecture
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### 2.1 The Engine (`src/main/*.ts`)
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* **Process:** Main Process (Node.js/TypeScript)
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* **Role:** Performs the actual OS-level operations.
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* **Key Responsibilities:**
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* **Shell Handlers (`shell_handlers.ts`)**: Executing shell commands, AppleScripts, and process management.
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* **File Handlers (`file_handlers.ts`)**: Managing the permanent Hashed Cache (`file_cache/`) and atomic Safe Handover.
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* Resolving global path placeholders like `[home]` and `[tmp]` via `file_utils.ts`.
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### 2.2 The Bridge (`src/preload/index.ts`)
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* **Process:** Preload Script
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* **Role:** The security gatekeeper.
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* **Key Responsibilities:**
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* Uses Electron's `contextBridge` to securely expose Main Process functions to the UI.
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* Exposes the `window.aetherNative` object.
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* Ensures that only whitelisted IPC channels can be triggered by the renderer.
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### 2.3 The Messenger (`src/lib/electron/electron_relay.ts`)
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* **Process:** Renderer Process (SvelteKit)
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* **Role:** The TypeScript API used by Svelte components.
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* **Key Responsibilities:**
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* Standardizing IPC calls to snake_case.
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* Implementing "Smart Fallbacks" (e.g., UI-side placeholder resolution if the bridge is inactive).
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---
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## 3. Core Lifecycle
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1. **Seed Phase:** The Electron shell reads `resources/seed_config.json` to identify the device.
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2. **Hydration Phase:** The shell authenticates with the Aether V3 API to pull device-specific settings.
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3. **Injection Phase:** The shell injects the **JWT** and **Native Config** into the SvelteKit environment.
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4. **Observation Phase:** Background sync loops manage file warming and heartbeat telemetry.
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---
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## 4. Native Tool Library (`window.aetherNative`)
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### File & Cache Management
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- `check_cache({hash})`: Verify if a file exists in the hidden hashed storage.
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- `download_to_cache({url, hash})`: Secure background download using the native API key.
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- `launch_from_cache({hash, filename})`: **Safe Handover** — copies from cache to temp with the original name and triggers the specialized launcher.
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### OS Execution (The "Actuators")
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- `launch_presentation({path, app})`: Phase 5 specialized launcher with auto-focus (`activate`) and slideshow start.
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- **Linux:** Triggers `libreoffice --impress`.
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- **macOS:** Triggers AppleScript for Keynote or PowerPoint.
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- `control_presentation({app, action})`: Remote navigation for active decks.
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- **Actions:** `next`, `prev`, `start`, `stop`.
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- `run_cmd({cmd})`: Executes raw shell commands with automatic path resolution.
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- `kill_processes([names])`: Force-closes apps to clean the podium.
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### Metadata & Discovery
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- `get_device_info()`: Provides CPU/RAM stats and absolute system paths.
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- `list_tools()`: Returns a JSON manifest of all available native functions for self-documentation.
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---
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## 5. Path Placeholder System
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To maintain cross-platform compatibility, the system uses a placeholder syntax for all paths:
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- `[home]`: Resolves to the user's home directory (e.g., `/home/scott` or `/Users/scott`).
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- `[tmp]`: Resolves to the system temporary directory.
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**Resolution Logic:** All native handlers utilize a global regex (`/\[home\]/g`) to ensure these are converted to absolute paths before any disk or shell operation occurs.
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