fix: add usage hints to server startup output (#185)

The server startup only showed host/port/storage/health, leaving users
unclear on what the server is for and how to connect agents to it.

Add a concise block explaining: purpose, how to point agents at it,
the API surface, and the local commands for inspecting, HTML export,
and OTLP export.

Bumps to 0.64.6.

Co-authored-by: Ona <no-reply@ona.com>

Author: Siddhant-K-code

src/agent_trace/__init__.py

@@ -1,3 +1,3 @@
 """agent-trace: strace for AI agents."""
 
-__version__ = "0.64.5"
+__version__ = "0.64.6"

src/agent_trace/server.py

@@ -387,6 +387,13 @@ def run_server(
         f"[agent-strace server] listening on {host}:{port}{auth_note}\n"
         f"[agent-strace server] storage: {Path(storage_dir).resolve()}\n"
         f"[agent-strace server] health: http://{host}:{port}/health{dash_note}\n"
+        f"\n"
+        f"[agent-strace server] purpose : collect traces from remote agents\n"
+        f"[agent-strace server] usage   : set AGENT_STRACE_ENDPOINT=http://<this-host>:{port} on each agent machine\n"
+        f"[agent-strace server] api     : POST /events  POST /sessions  GET /sessions  GET /sessions/<id>/events\n"
+        f"[agent-strace server] inspect : agent-strace list / replay / export  (reads the same storage dir)\n"
+        f"[agent-strace server] html    : agent-strace replay --format html    (shareable single-file viewer)\n"
+        f"[agent-strace server] otlp    : agent-strace export --format otlp --endpoint <collector-url>\n"
     )
     try:
         server.serve_forever()