v0.0.3

New commands

• mm overview - mentions, unread, and active channels in one call
• mm channel <name> - single channel info (purpose, header, member/pinned count)
• mm user @someone - user profile, status, timezone
• mm pinned <channel> - pinned posts
• mm members <channel> - channel members with online status

New features

• mm messages --threads - thread index view (root + reply count + last reply)
• Root context on reply-mentions (root field shows the original message)
• Bot/webhook detection (is_bot, bot_name fields on all post output)
• Webhook attachment text extraction (alerts show actual content, not empty messages)
• Reactions summary on posts (from search, mentions, pinned)

Improvements

• Refactored into modules (cli.py was 1165 lines, now 9 files, largest 282)
• Shared helpers for unread calculation, mentions search, root context fetching
• Unified post enrichment (bot detection + webhook extraction in one place)

Agent skill

• Added skills/mattermost/ for installation via npx skills add rhnvrm/mattermost-cli
• Progressive disclosure: SKILL.md + 4 reference docs (setup, scenarios, workflows, commands)