chore: bump api submodule — contextual frames + run_contextual_stream
M3 complete (code-side):
- ContextualScope Pydantic schema (camelCase alias_generator)
- render_scope_block (no id leakage)
- _CONTEXTUAL_SYSTEM_PROMPT fallback + {date_context} + {language_instruction} slots
- run_contextual_stream (Langfuse 'contextual_system' + fallback)
- _handle_contextual_request + _handle_contextual_scope_update WS handlers
- ContextualBufferProxy + append_system_message on session buffer
NOTE: Langfuse 'contextual_system' prompt must be created manually
before deploy. See M3.6 in docs/2026-05-14-contextual-sidebar-agent-plan.md.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in: