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gsxdsm 60b6e3e048 FN-7996: add configurable executor tool-failure retries

Add bounded, durable same-model retry handling for qualifying consecutive executor tool errors.
- Persist retry claims, cursors, and audit markers with PostgreSQL migrations.
- Expose project retry count, backoff, and failure threshold settings in the dashboard.
- Cover retry, exhaustion, reset, and stale-run safety behavior with tests.

Files changed:
 .changeset/fn-7996-executor-tool-failure-retry.md  |   7 +
 AGENTS.md                                          |   1 +
 docs/architecture.md                               |   1 +
 docs/settings-reference.md                         |  10 ++
 .../executor-tool-failure-retry-claim.test.ts      |  17 +++
 .../core/src/__tests__/manual-retry-reset.test.ts  |   3 +
 .../core/src/__tests__/settings-defaults.test.ts   |  15 +-
 packages/core/src/in-review-stall.ts               |  20 +++
 packages/core/src/index.gate.ts                    |   6 +
 packages/core/src/index.ts                         |   6 +
 packages/core/src/manual-retry-reset.ts            |   3 +
 .../0013_executor_tool_failure_retry.sql           |   4 +
 packages/core/src/postgres/schema-applier.ts       |  17 +++
 packages/core/src/postgres/schema/project.ts       |   3 +
 packages/core/src/settings-schema.ts               |   3 +
 packages/core/src/store.ts                         |  10 +-
 packages/core/src/task-store/persistence.ts        |   7 +
 packages/core/src/task-store/remaining-ops-2.ts    |   2 +-
 packages/core/src/task-store/remaining-ops-3.ts    |   2 +-
 packages/core/src/task-store/remaining-ops-6.ts    |  65 ++++++++-
 packages/core/src/task-store/serialization.ts      |   3 +
 packages/core/src/task-store/task-update.ts        |   6 +
 packages/core/src/types.ts                         |  16 +++
 .../dashboard/app/components/SettingsModal.tsx     |  15 ++
 .../app/components/settings/section-keys.ts        |   3 +
 .../settings/sections/SchedulingSection.search.ts  |  27 ++++
 .../settings/sections/SchedulingSection.tsx        |   4 +
 .../settings-default-descriptions.test.tsx         |   3 +
 .../__tests__/executor-tool-failure-retry.test.ts  | 160 +++++++++++++++++++++
 packages/engine/src/executor.ts                    |  87 ++++++++++-
 packages/i18n/locales/en/app.json                  |   6 +
 31 files changed, 523 insertions(+), 9 deletions(-)

Fusion-Task-Id: FN-7996
Fusion-Task-Lineage: d1682ef8-534c-410e-b74c-1f2cf176eac2
Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>

2026-07-16 13:41:14 -07:00