Release v2.6.0

What's Changed

• cleanup(workspaces): drop legacy workspace data-model from inspector by @chelojimenez in #2228
• [codex] fix hosted BYOK trace tabs by @ignaciojimenezr in #2225
• Gate tunnel button behind sign-in by @ignaciojimenezr in #2247
• fix(chat-v2): show tool input/output in trace timeline for past sessions by @ignaciojimenezr in #2251
• unify spinners and improve skeleton by @ignaciojimenezr in #2250
• orgs when signed out + make logo pont to servers instead of clients by @ignaciojimenezr in #2252
• bump ext apps and patched side effects by @ignaciojimenezr in #2255
• Catch convex error and show UI prompt to sign in instead by @prathmeshpatel in #2259
• remove vestigial per-tool protocol toggle by @chelojimenez in #2258
• [Payments Tab] PR-I2: Consumption-order tooltip on Paid credits by @Vu-John in #2262
• [Payments Tab] PR-I1: Payment history section on billing page by @Vu-John in #2261
• [Payments Tab] PR-I3: Tooltip styling fix — muted variant + spacing by @Vu-John in #2265
• SEP-1865 host-side hardening for MCP Apps draft by @chelojimenez in #2249
• [Payments Tab] PR-I4: Pass returnUrl from top-up dialog by @Vu-John in #2267
• [Payments Tab] PR-I5: Drop redundant Top up button in empty state by @Vu-John in #2269
• [Payments Tab] PR-I6: Top-up return flow on billing tab by @Vu-John in #2270
• feat(chat): progressive MCP tool discovery v1 by @chelojimenez in #2246
• feat(sdk,inspector): DRAFT-2026-v1 stateless outbound MCP transport preview by @chelojimenez in #2257
• Sep 1865 app provided tools by @chelojimenez in #2254
• [codex] Persist MCP app surfaces across tool calls by @chelojimenez in #2274

Full Changelog: v2.5.0...v2.6.0