v2.2-paseo-providers: Paseo provider stack + v2.2.1 pane-scoped chat fixes

Ship Paseo-equivalent provider snapshot, AgentComposerBar, ACP dispatch
rewrite with streaming/persist, permission prompts, and agent commands.
Follow-up: pane-scoped chat resolution, CoderMessageList tool timeline,
WS user-delta replace, and inference orphan tool_call stripping.
Archive openspec v2-2; update CHANGELOG and CURRENT.

Co-authored-by: Cursor <cursoragent@cursor.com>

apps/web/src/components/ProjectSidebar.tsx

@@ -1,6 +1,6 @@
 import { useEffect, useMemo, useRef, useState } from 'react';
 import { NavLink, useLocation, useNavigate } from 'react-router-dom';
-import { ChevronRight, ExternalLink, Folder, MessageSquare, Plus, Settings as SettingsIcon, X } from 'lucide-react';
+import { ChevronRight, ExternalLink, Folder, MessageSquare, Plus, Settings as SettingsIcon, X, Code } from 'lucide-react';
 import { toast } from 'sonner';
 import { Button } from '@/components/ui/button';
 import { sessionEvents } from '@/hooks/sessionEvents';
@@ -26,6 +26,7 @@ import { useViewport } from '@/hooks/useViewport';
 import { usePullToRefresh } from '@/hooks/usePullToRefresh';
 import type { SidebarProject } from '@/api/types';
 import { giteaUrlFor } from '@/lib/projectUrls';
+import { isCoderSessionName } from '@/lib/coder-session';
 import { cn } from '@/lib/utils';
 
 const EXPANDED_KEY = 'boocode.sidebar.expanded';
@@ -382,7 +383,11 @@ export function ProjectSidebar() {
                               to={`/session/${s.id}`}
                               className={`flex items-center gap-2 rounded-md px-2 py-1 text-sm min-w-0 ${rowCls(activeSession === s.id)}`}
                             >
-                              <MessageSquare className="size-3.5 shrink-0 opacity-70" />
+                              {isCoderSessionName(s.name) ? (
+                                <Code className="size-3.5 shrink-0 opacity-70" />
+                              ) : (
+                                <MessageSquare className="size-3.5 shrink-0 opacity-70" />
+                              )}
                               <span className="truncate flex-1" title={s.name}>{s.name}</span>
                               <span className="text-xs text-muted-foreground shrink-0 tabular-nums">
                                 {relTime(s.updated_at)}