• feat(#20): worldtree-sdk cutover teardown (slice-7) + v0.22.0

    vh released this 2026-07-19 13:41:34 -07:00 | 45 commits to main since this release

    The last slice of the consumer-layer cutover. Teardown only — zero
    runtime-logic change; the 494-green suite is the regression gate.

    • Drop httpx-sse from pyproject + lockfile: slice-6 deleted its last
      user, nothing imports httpx_sse, the SDK owns SSE parsing now.
    • Module boundary (operator decision): KEEP sessions.py + sse_client.py
      as pure caller-semantic type/exception homes (no rename, no fold —
      A3 was blocked by the AgentNotAvailable name collision + wt.py
      would mis-home endpoint_for_plane). Docstrings updated to stop
      claiming "client"; the AdminEvent/SseId/exception homes stay put
      (resolves the slice-6 deferred-home item).
    • Retire wire contracts #2 (sessions) + #15 (tier3): DEC-1 phase-2 —
      normative authority already transferred to the cutover contract; the
      code they specified is gone, so the files are deleted. #1 (SSE event
      vocab) and first_message stay (ratatoskr-owned, not retired).
    • Final coverage-map re-anchor: tools/list_sessions re-homed to wt.py;
      the Last-Event-ID SSE-resume sub-gap CLOSED (folded into stream_turn
      auto-resume); Surface-2 SSE parsing re-anchored to the SDK.
    • Stale doc-rot fix: the cli.py transport comment no longer calls
      seed_preset_first_message "not-yet-migrated" (it rides wt).
    • v0.22.0 (minor, DEC-6, operator-approved): publishes the full 6-slice
      cutover milestone.
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