v0.13.7

Added

• (unstable-v2) Add streaming tool-call content in v2 (#1407)
• (unstable-v2) Add v2 whole-message session updates (#1396)
• (unstable-v2) Unify v2 tool call updates (#1390)
• (unstable-v2) Require auth method type discriminator in v2 (#1387)
• (unstable-v2) Nest session-scoped capabilities under session (#1373)

Fixed

• (rust) Preserve JSON object key order (#1393)
• (schema) Add missing _meta fields to protocol schemas (#1440)
• (unstable-v2) Tolerate errors in v1/v2 conversions (#1420)
• (unstable-v2) Clean up old agent auth deserialization (#1388)

Other

• Setup separate publishes for JSON Schemas (#1377)