Bug: /inbox command clears lead's inbox unexpectedly

[Yixiang-Wu]

Description

The /inbox command is intended to let users view the lead's inbox contents. However, it calls BUS.read_inbox("lead") which drains/clears the inbox after reading.

File: s09_agent_teams.py, lines 393-395

if query.strip() == "/inbox":
    print(json.dumps(BUS.read_inbox("lead"), indent=2))
    continue

Why This Happens

read_inbox() is designed to read and drain the inbox (like a queue). Looking at MessageBus.read_inbox() (lines 100-109):

def read_inbox(self, name: str) -> list:
    inbox_path = self.dir / f"{name}.jsonl"
    if not inbox_path.exists():
        return []
    messages = []
    for line in inbox_path.read_text().strip().splitlines():
        if line:
            messages.append(json.loads(line))
    inbox_path.write_text("")  # <-- This clears the file!
    return messages

The last line inbox_path.write_text("") clears the inbox after reading. This is correct behavior for the agent loop (to avoid reprocessing messages), but wrong for a user "view only" command.

Impact

Users viewing their inbox with /inbox will lose all pending messages without the lead agent ever seeing them.

Suggested Fix

Read the inbox file directly without draining it:

if query.strip() == "/inbox":
    inbox_path = INBOX_DIR / "lead.jsonl"
    if inbox_path.exists():
        msgs = [json.loads(line) for line in inbox_path.read_text().strip().splitlines() if line]
        print(json.dumps(msgs, indent=2))
    else:
        print("[]")
    continue

This reads the file content without calling BUS.read_inbox(), preserving the messages for the lead agent to process.

[Yixiang-Wu]

Update: Same bug exists in s10, s11, and s_full

This bug is present in multiple files with identical code:

File	Line
s09_agent_teams.py	393-395
s10_team_protocols.py	474-476
s11_autonomous_agents.py	568-570
s_full.py	730-732

All four files have the same pattern:

if query.strip() == "/inbox":
    print(json.dumps(BUS.read_inbox("lead"), indent=2))
    continue

The fix should be applied to all affected files.