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Return error replies for lock/OS errors in conversation preview; system-spec onboarding drafts - #907

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ktjn merged 11 commits into
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fix/conversation-preview-operational-errors
Nov 5, 2026
Merged

ktjn merged 11 commits into
mainfrom
fix/conversation-preview-operational-errors

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@ktjn ktjn commented Nov 4, 2026

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Summary

  • Fix: conversation preview now returns a kind="error" reply for registry-ID/workspace lock contention and OSError, keeping any pending action, instead of failing the whole turn (apply already caught all exceptions). Tests failed first, then pass; CHANGELOG.md updated. Programming faults (RuntimeError, sqlite3.ProgrammingError) still propagate.
  • Test budget: FAST_GENERATION_BUDGET_SECONDS 30 -> 45 in test_offline_feature_qualification.py. The lane measured 30.64s and 32.25s under the local gate's parallel coverage run with no functional failure.
  • system-spec onboarding (docs/evidence only, under docs/superpowers/specs/system-spec/):
    • Protocol maps: registry transport/ledgers/locks; browser workspace persistence.
    • Whole-product drafts: Level 1 (whole-product.yaml, seven data models with provisional classification), Level 2 (five pinned behaviors with source-bound evidence), Level 3 readiness (three more behaviors, bounded TLA+/TLC model with evidence under evidence/formal).
    • Restores LF line endings in system-spec files (the directory is stored without newline normalization) and merges origin/main.

Status and limits

  • Levels 1-3 are drafts for maintainers, not accepted. The release stage still fails: performance/scalability/observability categories missing, two waivers, MOD-ADOPT-01..04 and MOD-PROD-06 without evidence, MOD-PROD-11 has failing evidence, statuses below verified.
  • TLC model findings (bounded, not a proof of the implementation): with no faults a stale apply cannot commit alongside a conflicting direct compile; with failed compensation or a crash mid-promotion destination files can end inconsistent (no commit journal). Recorded as failing resilience evidence and a risk.
  • Other observations recorded, not fixed: the playground hook ignores the repository's 'stale' save result; apply holds only the registry-ID lock (the model shows no lost update because freshness compares every destination under the workspace lock).
  • Classification labels are conservative handling policy, not observed product classifications.

Verification

  • system-spec validates for inventory (inventory), compilation (verification), the contract proposal (architecture) and whole-product (verification) with --check-artifacts.
  • Local pre-push gate passed on the pushed commit (Python incl. coverage, web unit, browser e2e, release preflight, ODCS, OpenMetadata, OpenLineage and FHIR validator steps). ruff format/check and the mypy baseline ratchet are clean.
  • Not run: VS Code extension-host tests; manual real-model WebLLM chat conformance (web/src/ai/** and conversation_*.py are untouched, so it is not triggered).
  • Earlier gate attempts failed only on the timing budget above, and once on a missing MODELABLE_FHIR_VALIDATOR_JAR (the HL7 validator_cli.jar 7.0.4 was downloaded locally outside the repo; digest matched the release).

🤖 Generated with Claude Code

ktjn and others added 11 commits November 1, 2026 17:23
The conversation preview handler caught only compilation, JSON and SQLite
operational errors, so lock contention and filesystem errors escaped and
failed the whole turn. Catch them and return a kind="error" reply, keeping
any pending action, matching how apply already behaves.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Record the observed registry push/pull transport, ID and enum-number
ledgers, ledger lock and index build that compilation shares, plus
observations for the open formal review (apply holds only the ID lock,
PID-based stale-lock reclamation, non-atomic index and local push).

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Record the observed IndexedDB workspace store, theme localStorage key,
service-worker precache and the persistence hook protocol, with
follow-up observations (ignored stale save result, no cross-tab
notification, unmount dropping a pending debounce, design-doc store
drift).

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Add an observed whole-product architecture draft (components,
capabilities, seven data models with provisional classification) that
validates at the architecture stage, plus a decision record listing
the open gaps. Level 1 is deferred to maintainers; no acceptance is
claimed.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Pin five cross-component behaviors with source-bound passing evidence
(300 passed/4 skipped Python, 24 passed web), add an unverified VS Code
requirement and a bounded verification-category waiver. Validates at the
verification stage; Level 2 acceptance is deferred to maintainers.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Pin serialization, concurrency and resilience behaviors for the local
contract toolchain with source-bound passing evidence and record the
remaining release blockers (three verification categories, waivers,
unverified requirements, no formal model). Release stage still fails;
Level 3 is not claimed.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Model the observed lock order, freshness checks, per-file promotion and
compensation with TLC. With no faults a stale apply cannot commit
alongside a conflicting direct run; with failed compensation or a crash
destination files can be left inconsistent, recorded as failing
resilience evidence and a risk. The model is bounded and does not prove
the implementation. The TLC jar is not committed.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
Earlier edits rewrote several system-spec files with CRLF. The directory
is stored without newline normalization, so restore the original LF
endings and update the TLA+ model digest recorded in the spec.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
The offline feature qualification lane measured 30.64s and 32.25s under the
local gate's parallel coverage run, failing the 30s wall-clock budget
without any functional failure. Raise it to 45s so the budget still catches
real slowdowns but tolerates load on development machines.

Co-Authored-By: Claude Sonnet 5.5 <noreply@anthropic.com>
@ktjn
ktjn merged commit fe958a9 into main Nov 5, 2026
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@ktjn
ktjn deleted the fix/conversation-preview-operational-errors branch November 5, 2026 05:36
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