fix: use event.prompt instead of ctx.sessionKey for prompt storage in OpenClaw plugin

The before_agent_start handler was passing ctx.sessionKey (e.g. "agent:main:main")
as the prompt to the worker API, causing the viewer to display the session key
instead of actual user prompt text. Now correctly reads event.prompt from
OpenClaw's BeforeAgentStartEvent.

Also adds message_received hook to capture inbound user prompts from messaging
channels (Telegram, Discord, etc.) and stores them via the worker API.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

openclaw/src/index.ts

@@ -67,13 +67,27 @@ interface SessionEndEvent {
   durationMs?: number;
 }
 
+interface MessageReceivedEvent {
+  from: string;
+  content: string;
+  timestamp?: number;
+  metadata?: Record<string, unknown>;
+}
+
 interface EventContext {
   sessionKey?: string;
   workspaceDir?: string;
   agentId?: string;
 }
 
+interface MessageContext {
+  channelId: string;
+  accountId?: string;
+  conversationId?: string;
+}
+
 type EventCallback<T> = (event: T, ctx: EventContext) => void | Promise<void>;
+type MessageEventCallback<T> = (event: T, ctx: MessageContext) => void | Promise<void>;
 
 interface OpenClawPluginApi {
   id: string;
@@ -100,6 +114,7 @@ interface OpenClawPluginApi {
       ((event: "agent_end", callback: EventCallback<AgentEndEvent>) => void) &
       ((event: "session_start", callback: EventCallback<SessionStartEvent>) => void) &
       ((event: "session_end", callback: EventCallback<SessionEndEvent>) => void) &
+      ((event: "message_received", callback: MessageEventCallback<MessageReceivedEvent>) => void) &
       ((event: "after_compaction", callback: EventCallback<AfterCompactionEvent>) => void) &
       ((event: "gateway_start", callback: EventCallback<Record<string, never>>) => void);
   runtime: {
@@ -482,6 +497,20 @@ export default function claudeMemPlugin(api: OpenClawPluginApi): void {
     api.logger.info(`[claude-mem] Session initialized: ${contentSessionId}`);
   });
 
+  // ------------------------------------------------------------------
+  // Event: message_received — capture inbound user prompts from channels
+  // ------------------------------------------------------------------
+  api.on("message_received", async (event, ctx) => {
+    const sessionKey = ctx.conversationId || ctx.channelId || "default";
+    const contentSessionId = getContentSessionId(sessionKey);
+
+    await workerPost(workerPort, "/api/sessions/init", {
+      contentSessionId,
+      project: baseProjectName,
+      prompt: event.content || "[media prompt]",
+    }, api.logger);
+  });
+
   // ------------------------------------------------------------------
   // Event: after_compaction — re-init session after context compaction
   // ------------------------------------------------------------------
@@ -500,7 +529,7 @@ export default function claudeMemPlugin(api: OpenClawPluginApi): void {
   // ------------------------------------------------------------------
   // Event: before_agent_start — init session + sync MEMORY.md + track workspace
   // ------------------------------------------------------------------
-  api.on("before_agent_start", async (_event, ctx) => {
+  api.on("before_agent_start", async (event, ctx) => {
     // Track workspace dir so tool_result_persist can sync MEMORY.md later
     if (ctx.workspaceDir) {
       workspaceDirsBySessionKey.set(ctx.sessionKey || "default", ctx.workspaceDir);
@@ -512,7 +541,7 @@ export default function claudeMemPlugin(api: OpenClawPluginApi): void {
     await workerPost(workerPort, "/api/sessions/init", {
       contentSessionId,
       project: getProjectName(ctx),
-      prompt: ctx.sessionKey || "agent run",
+      prompt: event.prompt || "agent run",
     }, api.logger);
 
     // Sync MEMORY.md before agent runs (provides context to agent)