Release 0.12.0

📋 Release Summary

This release introduces workspace-scoped MCP routing, workspace switching, index shortcuts, quick slots, and lazy session restoration (0433db1, 04d0cf6, 9dfba3b, 6dbb653, f8b3429). It adds searchable paged chat history, guided approvals and harvests, agent and capability configuration, and specialist run reports (be3497c, 2c6c33b, 8789085, 682e414). Improvements and fixes enhance input handling, workspace state and navigation, A2UI interactions, webview data, and MCP error handling (049a516, 9927036, 8c7c578, f64808b, 965a2f8, a6927eb, 9eb971a).

✨ New Features & Enhancements

• chat: enable searchable paged history be3497cc
• octoweb: guide approvals and harvests 2c6c33b5
• octoweb: configure agents and capabilities 87890854
• mcp: route MCP by workspace 0433db17
• workspaces: add index switching shortcuts 04d0cf67
• workspaces: scope quick slots per workspace 9dfba3be
• workspaces: restore sessions lazily 6dbb6534
• workspaces: add workspace switching f8b34290
• acp: surface specialist run reports 682e4148

🔧 Improvements & Optimizations

• acp: group session channel receivers 8a436f2b
• workspace: unify A2UI session handling 72493370
• mcp: route workspace calls by token 2da2602c

🐛 Bug Fixes & Stability

• input: handle rich editor typing modes 049a5163
• workspaces: route ACP state correctly 9927036c
• a2ui: route clicks through Rust prompts 8c7c5786
• workspace: prevent row reflow and window shadow f64808be
• webview: use active workspace data store 965a2f8f
• tabs: scope MRU navigation per workspace a6927eb6
• mcp: pass owned watchdog error messages 9eb971a1