feat: ClawTap v0.1.0 — initial release

Multi-adapter mobile UI for AI coding assistants.
Supports Claude Code, Codex CLI, and Gemini CLI through one interface.

Features:
- Real-time bidirectional sync via tmux + WebSocket
- Cross-AI review (send one AI's output to another for review)
- Multi-review tabs with minimize/expand
- Push notifications (PWA) with smart session-aware filtering
- Three-channel event system (hooks, file watcher, pane monitor)
- Voice input, image paste, draft persistence
- Terminal-native design (JetBrains Mono, dark theme, pixel art claw)
- CLI with --adapter flag on every command
- Zero-overhead fire-and-forget hooks

server/transport/client-connection.ts

@@ -0,0 +1,37 @@
+import crypto from 'crypto';
+import type { ServerMessage } from '../types/messages.js';
+
+/**
+ * ClientConnection — abstract base class for transport-agnostic client connections.
+ *
+ * Each connected client (WebSocket, SSE, etc.) is represented by a ClientConnection.
+ * SessionManager works exclusively with this abstraction — never with raw WebSocket.
+ */
+export abstract class ClientConnection {
+  readonly clientId: string = crypto.randomUUID();
+  readonly transportName: string;
+  sessionId: string | null = null;
+  onDisconnect: ((conn: ClientConnection) => void) | null = null;
+
+  constructor(transportName: string) {
+    this.transportName = transportName;
+  }
+
+  /** Send a message to this client. Implementation handles serialization. */
+  abstract send(message: ServerMessage): void;
+
+  /** Check if the connection is still alive. */
+  abstract isAlive(): boolean;
+
+  /** Close the connection. */
+  close(): void {}
+
+  /** Filter: should this client receive a given message? Default: yes. */
+  shouldReceive(_message: ServerMessage): boolean { return true; }
+
+  /** Send a pre-serialized JSON string. Default fallback parses and calls send(). */
+  sendRaw(json: string): void { this.send(JSON.parse(json)); }
+
+  /** Notify the disconnect handler (called by subclass when connection drops). */
+  notifyDisconnect(): void { this.onDisconnect?.(this); }
+}