Add policy-bound encrypted agent session restoration and audit traces

tests/admin-controls-ui.test.mjs

@@ -14,3 +14,5 @@ test('download scan settings remain explicit and cannot alter upload policy',()=
 test('new history and window capability controls require explicit opt-in and explain limits',()=>{for(const scope of ['history:list','history:go','window:state','window:control']){const tag=html.match(new RegExp(`<input[^>]*id="agent-scope-${scope}"[^>]*>`))[0];assert.equal(/\bchecked\b/.test(tag),false);}assert.ok(html.includes('History read and history navigation are separate capabilities'));assert.ok(html.includes('never grants OS or administrator access'));const editor=readFileSync(new URL('../apps/server/public/agent-grants-admin.js',import.meta.url),'utf8');assert.ok(editor.includes('enabled:false'));assert.ok(editor.includes('scopes:[]'));assert.ok(editor.includes('check.disabled=!agentGrantsEditable'));});
 
 test('vault agent capabilities start unchecked and describe human-unlocked exact-origin access',()=>{const source=readFileSync(new URL('../apps/server/public/admin.js',import.meta.url),'utf8'),scopes=vm.runInNewContext(source.match(/const agentScopes=(\[[^;]+\]);/)[1]);for(const scope of ['vault:status','vault:list','vault:fill']){assert.ok(scopes.includes(scope));const tag=html.match(new RegExp(`<input[^>]*id="agent-scope-${scope}"[^>]*>`))[0];assert.equal(/\bchecked\b/.test(tag),false);}for(const text of ['A person must unlock the local vault','agents cannot unlock it or export passwords',"credential's exact origin"])assert.ok(html.includes(text));const editor=readFileSync(new URL('../apps/server/public/agent-grants-admin.js',import.meta.url),'utf8');for(const text of ['human unlock','Agents cannot unlock the vault or export passwords'])assert.ok(editor.includes(text));for(const unsupported of ['vault:unlock','vault:export','vault:mutate'])assert.ok(!scopes.includes(unsupported));});
+
+test('session persistence capabilities are explicit opt-in with no credential state restoration',()=>{const source=readFileSync(new URL('../apps/server/public/admin.js',import.meta.url),'utf8'),scopes=vm.runInNewContext(source.match(/const agentScopes=(\[[^;]+\]);/)[1]);for(const scope of ['sessions:save','sessions:list','sessions:restore']){assert.ok(scopes.includes(scope));const tag=html.match(new RegExp(`<input[^>]*id="agent-scope-${scope}"[^>]*>`))[0];assert.equal(/\bchecked\b/.test(tag),false);}for(const text of ['Saving, listing and restoring sessions require separate capabilities','no passwords, form values or page state','never restores revoked agent authority'])assert.ok(html.includes(text));const editor=readFileSync(new URL('../apps/server/public/agent-grants-admin.js',import.meta.url),'utf8');assert.ok(editor.includes('Restoration rechecks current policy'));});