fix(honcho): plugin drift overhaul -- observation config, chunking, setup wizard, docs, dead code cleanup
Salvaged from PR #5045 by erosika.
- Replace memoryMode/peer_memory_modes with granular per-peer observation config
- Add message chunking for Honcho API limits (25k chars default)
- Add dialectic input guard (10k chars default)
- Add dialecticDynamic toggle for reasoning level auto-bump
- Rewrite setup wizard with cloud/local deployment picker
- Switch peer card/profile/search from session.context() to direct peer APIs
- Add server-side observation sync via get_peer_configuration()
- Fix base_url/baseUrl config mismatch for self-hosted setups
- Fix local auth leak (cloud API keys no longer sent to local instances)
- Remove dead code: memoryMode, peer_memory_modes, linkedHosts, suppress flags, SOUL.md aiPeer sync
- Add post_setup hook to memory_setup.py for provider-specific setup wizards
- Comprehensive README rewrite with full config reference
- New optional skill: autonomous-ai-agents/honcho
- Expanded memory-providers.md with multi-profile docs
- 9 new tests (chunking, dialectic guard, peer lookups), 14 dead tests removed
- Fix 2 pre-existing TestResolveConfigPath filesystem isolation failures