v2.1.0

Changes

Added

• Added unified session context resolution for both coding-plan and start-plan.
• Added ZCode-compatible trace header generation with exact header order:
  • x-request-id
  • x-zcode-trace-id
  • x-query-id
  • x-session-id
• Added explicit prefix stripping at header emission time for:
  • query_
  • sess_
  • subagent_agent_
• Added raw ordered HTTP/1.1 upstream transport for session-aware requests requiring header order parity.
• Added tests for session inference, explicit session passthrough, trace header order, ordered transport wire capture, and start-plan session reuse.

Changed

• start-plan and coding-plan now use the same session resolver path.
• clientIdentity.mode consistently controls session behavior:
  • off: no session resolution
  • observe: infer/log session, but do not forward inferred x-session-id
  • enforce: forward inferred or explicit session IDs upstream
• Explicit sessionId, queryId, requestId, and traceId metadata are preserved instead of being hashed or remapped.
• Start-plan no longer skips lineage inference when clientIdentity.mode enables it.
• Session-aware start-plan requests now use the ordered transport path when not using an injected test fetch implementation.

Fixed

• Fixed header parity for enforced or explicit trace/session requests.
• Fixed start-plan session behavior so inferred sessions can be reused in enforce mode.
• Fixed explicit sess_... and subagent_agent_... session IDs being converted into unrelated UUIDs.
• Fixed raw ordered transport to reject invalid header names and CRLF-containing header values before opening a socket, preventing header injection.