AHP selfhost shortlist

[roblourens]

• Management UI @connor4312
• "Manage remotes" in command palette @roblourens
• Edit diffs not showing consistently @connor4312
• edits repeated @connor4312
• "undefined" in changes list @roblourens
• auto-approve getTaskOutput @connor4312 (could not repro?)
• Terminals showing red x @connor4312
• Changes pane computed from diff info @roblourens
• Resolve shell env in AH @roblourens
• Blue buttons/skills for create-pr @roblourens
• Fix invoking skills (remove "use skill located at" text) as slash commands @roblourens
• Make skills show up in chat widget @roblourens
• Manage agent hosts/agent via CLI @connor4312