fix(KB-637): test fixes and code cleanup

- Fix executor test worktree recovery assertions to use exact command matching
- Fix routes.test.ts mission store mock and git worktree list mock
- Fix SettingsModal temporal dead zone by moving activeSectionScope declaration
- Remove incomplete project-context feature from CLI
- Clean up AGENTS.md and README documentation

packages/dashboard/app/components/SettingsModal.tsx

@@ -79,6 +79,9 @@ export function SettingsModal({
   const [activeSection, setActiveSection] = useState<SectionId>(initialSection ?? SETTINGS_SECTIONS[0].id);
   const [prefixError, setPrefixError] = useState<string | null>(null);
 
+  /** Get the scope of the currently active section */
+  const activeSectionScope = SETTINGS_SECTIONS.find((s) => s.id === activeSection)?.scope;
+
   // Auth state (independent of the settings save flow)
   const [authProviders, setAuthProviders] = useState<AuthProvider[]>([]);
   const [authLoading, setAuthLoading] = useState(false);