feat(hooks): add Hermes telemetry handler

hooks/claude-code/handler.ts

@@ -17,6 +17,7 @@ import {
 const INGEST_URL = process.env.AGENTMON_INGEST_URL || 'http://localhost:8080';
 const FRAMEWORK = process.env.AGENTMON_FRAMEWORK || 'claude-code';
 const HOST = process.env.AGENTMON_HOST || hostname();
+const ALLOW_STARTUP_SESSIONS = process.env.AGENTMON_CLAUDE_ALLOW_STARTUP === '1';
 
 const { enqueue, flush } = createTransport(INGEST_URL);
 
@@ -89,6 +90,14 @@ function isNonPersistentClaudeLaunch() {
     cmd.includes('/claude') && cmd.includes('--no-session-persistence')
   );
 }
+
+function hasClaudeProcessAncestor() {
+  return getProcessTree().some(({ cmd }) => {
+    if (!cmd) return false;
+    if (cmd.includes('agentmon-handler') || cmd.includes('/hooks/claude-code/handler')) return false;
+    return /(^|[/\s])claude(\s|$)/.test(cmd) || cmd.includes('@anthropic-ai/claude-code');
+  });
+}
 // ─────────────────────────────────────────────────────────────────────────────
 
 const activeRuns = new Map<string, string>();
@@ -182,6 +191,10 @@ async function handleSessionStart(input: Dict) {
     console.error('[agentmon] ignoring claude-code startup from --no-session-persistence launch');
     return;
   }
+  if (pickString(input.source) === 'startup' && (!ALLOW_STARTUP_SESSIONS || !hasClaudeProcessAncestor())) {
+    console.error('[agentmon] ignoring claude-code startup session');
+    return;
+  }
 
   const runId = randomUUID();
   activeRuns.set(sessionKey, runId);
@@ -262,6 +275,16 @@ async function handlePromptSubmit(input: Dict) {
     }));
   }
 
+  if (!runId && sessionKey) {
+    enqueue(buildEnvelope(FRAMEWORK, HOST, 'session.start', sessionKey, {
+      attributes: {
+        cwd: pickString(input.cwd),
+        transcript_path: pickString(input.transcript_path),
+        source: pickString(input.source),
+      },
+    }));
+  }
+
   const newRunId = randomUUID();
   if (sessionKey) {
     activeRuns.set(sessionKey, newRunId);