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/server/src/services/__tests__/agents.test.ts

@@ -0,0 +1,33 @@
+import { describe, it, expect } from 'vitest';
+import { isAgentRegistryMarkdown, parseAgentsMd } from '../agents.js';
+
+describe('isAgentRegistryMarkdown', () => {
+  it('rejects Cursor navigation AGENTS.md at repo root', () => {
+    expect(
+      isAgentRegistryMarkdown('# Agent navigation\n\n## Doc map\n'),
+    ).toBe(false);
+  });
+
+  it('accepts the global data/AGENTS.md registry shape', () => {
+    expect(isAgentRegistryMarkdown('# Agents\n\n## Code Reviewer\n---\n')).toBe(true);
+  });
+});
+
+describe('parseAgentsMd', () => {
+  it('does not emit errors for navigation sections when file is skipped upstream', () => {
+    // When isAgentRegistryMarkdown returns false, getAgentsForProject never calls this.
+    // Sanity: a nav-shaped file would produce six "missing fence" errors if parsed.
+    const nav = `# Agent navigation
+
+## Doc map
+| Need | Read |
+|------|------|
+
+## Task routing
+Start here
+`;
+    const r = parseAgentsMd(nav);
+    expect(r.agents).toHaveLength(0);
+    expect(r.errors.length).toBeGreaterThan(0);
+  });
+});