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gsxdsm 3143f9536f FN-8908: auto-recover terminal task failures

Recover generic terminal task failures through a bounded, durable retry budget before escalating them to operators.

- add fenced task-store recovery claims, retries, budget resets, and audit events
- defer terminal-failure notifications until recovery is exhausted while preserving a single escalation
- expose operator retry budget reset and cover recovery lifecycle behavior

Files changed:
 .../fn-8908-terminal-failure-auto-recovery.md      |   7 +
 AGENTS.md                                          |   1 +
 docs/agents.md                                     |   2 +
 docs/architecture.md                               |   2 +
 packages/cli/src/commands/task.ts                  |   2 +
 packages/cli/src/extension.ts                      |   2 +
 ...terminal-failure-auto-recovery-store.pg.test.ts | 108 +++++++++
 .../terminal-failure-auto-recovery.test.ts         |  60 +++++
 packages/core/src/index.gate.ts                    |   1 +
 packages/core/src/index.ts                         |   1 +
 packages/core/src/store.ts                         | 179 ++++++++++++++-
 .../core/src/task-store/archive-lifecycle-2.ts     |  15 ++
 packages/core/src/task-store/moves.ts              |  48 +++-
 packages/core/src/task-store/persistence.ts        |  18 +-
 packages/core/src/task-store/project-store-ops.ts  |   4 +-
 .../src/task-store/workflow-task-create-ops.ts     |   4 +-
 packages/core/src/tasks/index.ts                   |   1 +
 .../src/tasks/terminal-failure-auto-recovery.ts    | 114 ++++++++++
 packages/core/src/types/task/task-core.ts          |  24 ++
 .../src/routes/register-task-workflow-routes.ts    |   2 +
 ...-healing-terminal-failure-auto-recovery.test.ts | 199 ++++++++++++++++
 .../__tests__/notification-service.test.ts         |  86 ++++++-
 .../__tests__/task-wedge-notification.test.ts      |   2 +-
 .../src/notification/notification-service.ts       | 103 +++++++--
 .../src/notification/task-wedge-notification.ts    |  30 ++-
 packages/engine/src/self-healing.ts                | 251 ++++++++++++++++++++-
 packages/engine/src/util/run-audit.ts              |   7 +
 27 files changed, 1240 insertions(+), 33 deletions(-)

Fusion-Task-Id: FN-8908

Fusion-Task-Lineage: 99e96b16-0306-41f1-87da-8623d69735f7

Co-authored-by: Fusion (runfusion.ai) <noreply@runfusion.ai>

2026-08-10 16:53:51 -07:00