fix(daemon): Ensure robust process shutdown and improve logs/subscriber diagnostics

ts/daemon/tspm.daemon.ts

@@ -293,7 +293,8 @@ export class TspmDaemon {
     this.ipcServer.onMessage(
       'getLogs',
       async (request: RequestForMethod<'getLogs'>) => {
-        const logs = await this.tspmInstance.getLogs(toProcessId(request.id));
+        const id = toProcessId(request.id);
+        const logs = await this.tspmInstance.getLogs(id, request.lines);
         return { logs };
       },
     );
@@ -346,6 +347,26 @@ export class TspmDaemon {
       },
     );
 
+    // Inspect subscribers for a process log topic
+    this.ipcServer.onMessage(
+      'logs:subscribers',
+      async (
+        request: RequestForMethod<'logs:subscribers'>,
+        clientId: string,
+      ) => {
+        const id = toProcessId(request.id);
+        const topic = `logs.${id}`;
+        try {
+          const topicIndex = (this.ipcServer as any).topicIndex as Map<string, Set<string>> | undefined;
+          const subs = Array.from(topicIndex?.get(topic) || []);
+          // Also include the requesting clientId if it has a local handler without subscription
+          return { topic, subscribers: subs, count: subs.length } as any;
+        } catch (err: any) {
+          return { topic, subscribers: [], count: 0 } as any;
+        }
+      },
+    );
+
     // Resolve target (id:n | name:foo | numeric string) to ProcessId
     this.ipcServer.onMessage(
       'resolveTarget',