Removed 16 packages: tools, compaction, extraction, roles, mentions, notelinks, export, memory, knowledge, providers, routing, capabilities, filters, retention, workspace, treepath Removed 45 handler files (chat, AI, tools, personas, providers, model routing, usage tracking, summarization, title gen, streaming) 127 files deleted, ~37K lines removed. Build will break — expected, fixed in steps 3-5.