feat: workspace→session picker and /model switch (v0.3.0)

Align Telegram session list with Web via apiProxy (exclude archived), resume cold sessions on bind, and allow model selection from the phone.

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

tests/catalog.test.ts

@@ -0,0 +1,28 @@
+import assert from 'node:assert/strict'
+import test from 'node:test'
+import {
+  visibleSessionsForWorkspace,
+  workspacesWithVisibleSessions,
+  type CatalogSnapshot,
+} from '../src/catalog.ts'
+
+test('visible sessions exclude archived blank and subagent', () => {
+  const catalog: CatalogSnapshot = {
+    archivedIds: new Set(['arch']),
+    sessionsById: new Map([
+      ['ok', { sessionId: 'ok', title: 'OK', blank: false, running: true, updatedAt: 1 }],
+      ['arch', { sessionId: 'arch', title: 'Arch', blank: false, running: false, updatedAt: 1 }],
+      ['blank', { sessionId: 'blank', title: 'Blank', blank: true, running: false, updatedAt: 1 }],
+      ['sub', { sessionId: 'sub', title: 'Sub', blank: false, running: false, origin: 'subagent', updatedAt: 1 }],
+    ]),
+    workspaces: [{
+      id: 'w',
+      title: 'W',
+      path: '/w',
+      sessionIds: ['ok', 'arch', 'blank', 'sub', 'missing'],
+    }],
+  }
+  const rows = visibleSessionsForWorkspace(catalog, catalog.workspaces[0]!)
+  assert.deepEqual(rows.map((r) => r.sessionId), ['ok'])
+  assert.equal(workspacesWithVisibleSessions(catalog).length, 1)
+})