feat(hooks): run boot.md on gateway startup

src/hooks/bundled/README.md

@@ -47,6 +47,20 @@ Swaps injected `SOUL.md` content with `SOUL_EVIL.md` during a purge window or by
 clawdbot hooks enable soul-evil
 ```
 
+### 🚀 boot-md
+
+Runs `BOOT.md` whenever the gateway starts (after channels start).
+
+**Events**: `gateway:startup`
+**What it does**: Executes BOOT.md instructions via the agent runner.
+**Output**: Whatever the instructions request (for example, outbound messages).
+
+**Enable**:
+
+```bash
+clawdbot hooks enable boot-md
+```
+
 ## Hook Structure
 
 Each hook is a directory containing:
@@ -156,6 +170,7 @@ Currently supported events:
 - **command:reset**: `/reset` command
 - **command:stop**: `/stop` command
 - **agent:bootstrap**: Before workspace bootstrap files are injected
+- **gateway:startup**: Gateway startup (after channels start)
 
 More event types coming soon (session lifecycle, agent errors, etc.).
 
@@ -165,7 +180,7 @@ Hook handlers receive an `InternalHookEvent` object:
 
 ```typescript
 interface InternalHookEvent {
-  type: "command" | "session" | "agent";
+  type: "command" | "session" | "agent" | "gateway";
   action: string; // e.g., 'new', 'reset', 'stop'
   sessionKey: string;
   context: Record<string, unknown>;