Release BJ (stage-379): v0.51.86 — 4-PR review-bypass batch — WebUI memory-provider session lifecycle + cross-provider /model alias + RuntimeAdapter cancel seam + Fork-from-here messaging coord#2486
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Backend (api/config.py): - resolve_model_provider(): check custom_providers for prefix match BEFORE the config_base_url branch. Previously, providers with a base_url set (e.g. deepseek) would catch all slash-delimited model ids and return the config provider, preventing custom provider routing. - get_available_models(): include model aliases in response so the frontend can resolve them on /model commands. Frontend (static/commands.js): - cmdModel(): resolve aliases by fetching /api/models before fuzzy matching the dropdown. - Add bare-model fallback when the alias resolves to a slash-delimited provider/model id (e.g. "deepseek/deepseek-v4-flash"). - Add cross-provider fallback: when the model is from a custom provider not in the active provider dropdown, call /api/session/update directly with the provider/model id and provider override.
# Conflicts: # CHANGELOG.md
# Conflicts: # CHANGELOG.md
…v0.51.83 (Opus catch)
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stage-379 — Release BJ / v0.51.86 — 4-PR review-bypass batch
Constituents (all nesquena APPROVED with detailed end-to-end traces)
/modelalias cross-provider routingTotal stage diff: 12 files changed, 1033 insertions(+), 56 deletions(-) (incl. 444 LOC tests + 208 LOC new module).
Theme of the batch
Four already-approved contributor fixes spanning four runtime surfaces: (a) a new WebUI memory-provider session-lifecycle module that gives OpenViking-style batch-extraction providers reliable boundary commits without per-turn extraction; (b) cross-provider
/model <alias>routing repair; (c) the first code slice of the Slice 3a cancel-control gate accepted in v0.51.85; (d) "Fork from here" coordinate-space fix on messaging-backed sessions.Verification
Pre-Opus gate (all clean)
node -constatic/commands.js+static/sessions.js: PASSast.parseonapi/session_lifecycle.py(new),api/streaming.py,api/routes.py,api/config.py,server.py: PASS**PR #TBD**from feat(runtime): route cancel through RuntimeAdapter seam #2479 contributor branch fixed during stamp)api/routes.pyduplicate-function-def check: cleanapi/streaming.pylines changed: 71 (only fix: add WebUI memory-provider session lifecycle for batch-extraction providers #2461 touches it; sensitive path)api/session_lifecycle.py(per the two-layer rule for >100 LOC + concurrency + new module): late-commit safety invariant, segment-merge correctness, empty-commit no-op, drain_all_on_shutdown, unregister_agent cleanup — all PASS via direct unmocked execution.pytest (full suite)
No regression in 20+ existing
resolve_model_providertests (relevant to #2473's narrow new conditional).Opus advisor sanity check
Notable known gap Opus flagged as low-risk: the reviewer's PR #2473 APPROVE comment references regression tests in commit
7b351336that were never actually pushed. The change is a single narrow conditional with explicit guards, and 20+ existing resolver tests pass; ship-acceptable.Browser sanity checks (port 8789 stage server)
All 11 API checks PASS:
/health,/,/static/*.js,/api/settings,POST /api/session/new,GET /api/session,POST /api/chat/start,GET /api/chat/stream/status,POST /api/session/delete.Not in this batch
Closes: PR #2461 closes the OpenViking commit gap; #2473 closes the cross-provider
/modelalias routing bug; #2479 lands the first code slice of Slice 3a; #2480 closes #2472 ("Fork from here" coordinate space).