v0.6.10

External stop enforcement - Instances cannot self-restart after being stopped by another instance.

CLI improvements - Version/help flags and reset command skip identity checks.

Hook removal feedback - hcom reset hooks shows "No hooks to remove" when appropriate.

Claude Code plugin - Install via:

/plugin marketplace add aannoo/claude-hook-comms
/plugin install hcom@hcom

v0.6.9

Message envelope, archive command, Python API, instance config

• --intent, --reply-to, --thread flags for structured messaging
• hcom archive - query past sessions after resets
• Python API (from hcom import api) for scripting
• hcom config -i <name> - per-instance runtime settings
• Thread → transcript rename
• Schema v4, tag/name separation, simplified scopes

v0.6.8

Thread command, event subscriptions, enhanced list

• hcom thread - share conversation context between instances
• Event subscriptions with SQL filters and collision preset
• hcom list self [field] with --sh for shell exports
• Background subagent bidirectional communication
• Flag validation for all commands
• events_v flat view for simpler SQL queries