brent.edwards
b46a0e6102
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## Summary Implements the full revert-mode re-execution pipeline from the specification (§ Correction Flow, Revert Mode), enabling `agents plan correct --mode=revert` to truly re-execute from the targeted decision point rather than only logically marking decisions as superseded. ### Changes - **Resource rollback**: `CorrectionService.execute_revert` now delegates to `CheckpointService.rollback_to_checkpoint` when a decision-aligned checkpoint exists, performing real `git reset --hard` in the sandbox. Gracefully degrades when checkpointing is unavailable. - **Reasoning rollback**: Extracts `actor_state_ref` from the target decision's `ContextSnapshot` for downstream LangGraph actor restoration. - **Guidance injection**: Generates a `user_intervention` decision ID for callers to record correction guidance in the decision tree. - **Phase transition**: Signals that the plan should re-enter Strategize via `phase_transition_target="strategize"` on the result. - **Model extension**: Added `checkpoint_restored`, `actor_state_ref`, `user_intervention_decision_id`, and `phase_transition_target` fields to `CorrectionResult` with backward-compatible defaults. - **Dispatch update**: `execute_correction` now accepts and forwards a `decisions` parameter. ### Design Approach Uses a signal-based architecture: rather than having `CorrectionService` directly manipulate plan state or LangGraph actors, the enhanced `execute_revert` returns signal fields on `CorrectionResult` that downstream consumers use for the full pipeline. This preserves separation of concerns. ### Tests - **Behave**: 16 new BDD scenarios in `features/revert_re_execution.feature` - **Robot**: 7 integration tests in `robot/revert_re_execution.robot` - **Coverage**: 98% (above 97% threshold) ### Quality Gates | Gate | Status | |------|--------| | `nox -s lint` | Pass | | `nox -s typecheck` | Pass (0 errors) | | `nox -s unit_tests` | Pass (12376 scenarios, 0 failed) | | `nox -s integration_tests` | Pass (1631 passed, 3 pre-existing failures #647) | | `nox -s e2e_tests` | Pass (37 passed) | | `nox -s coverage_report` | Pass (98%) | Closes #844 Reviewed-on: #1153 Co-authored-by: Brent E. Edwards <brent.edwards@cleverthis.com> Co-committed-by: Brent E. Edwards <brent.edwards@cleverthis.com>
141 lines
8.4 KiB
Gherkin
141 lines
8.4 KiB
Gherkin
Feature: Revert-mode re-execution from decision point
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As a plan correction user
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I want revert mode to perform real checkpoint restoration, actor state
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recovery, and re-execution signalling from the targeted decision point
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So that the plan can resume Strategize with the corrected guidance
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# ── Checkpoint restoration ─────────────────────────────────────
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Scenario: Revert with checkpoint service restores sandbox checkpoint
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Given revexec a correction service with a mock checkpoint service
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And revexec a checkpoint exists for plan "P1" decision "D1" with ref "abc123"
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And revexec a correction request targeting decision "D1" in plan "P1" for revert
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When revexec I execute the revert correction
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Then revexec the result checkpoint_restored should be true
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And revexec the result status should be "applied"
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Scenario: Revert without checkpoint service skips checkpoint restoration
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Given revexec a correction service without checkpoint service
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And revexec a correction request targeting decision "D1" in plan "P1" for revert
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When revexec I execute the revert correction
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Then revexec the result checkpoint_restored should be false
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And revexec the result status should be "applied"
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Scenario: Revert with no matching checkpoint skips restoration
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Given revexec a correction service with a mock checkpoint service
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And revexec no checkpoint exists for plan "P1" decision "D1"
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And revexec a correction request targeting decision "D1" in plan "P1" for revert
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When revexec I execute the revert correction
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Then revexec the result checkpoint_restored should be false
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# ── Actor state restoration ────────────────────────────────────
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Scenario: Revert extracts actor_state_ref from target decision
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Given revexec a correction service without checkpoint service
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And revexec a decision "D1" with actor_state_ref "lg-checkpoint-42"
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And revexec a correction request targeting decision "D1" in plan "P1" for revert with decisions
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When revexec I execute the revert correction with decisions
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Then revexec the result actor_state_ref should be "lg-checkpoint-42"
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Scenario: Revert without decisions mapping returns empty actor_state_ref
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Given revexec a correction service without checkpoint service
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And revexec a correction request targeting decision "D1" in plan "P1" for revert
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When revexec I execute the revert correction
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Then revexec the result actor_state_ref should be ""
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# ── Phase transition ───────────────────────────────────────────
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Scenario: Revert signals phase transition to strategize
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Given revexec a correction service without checkpoint service
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And revexec a correction request targeting decision "D1" in plan "P1" for revert
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When revexec I execute the revert correction
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Then revexec the result phase_transition_target should be "strategize"
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# ── User intervention decision ─────────────────────────────────
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Scenario: Revert creates a user_intervention decision ID
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Given revexec a correction service without checkpoint service
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And revexec a correction request targeting decision "D1" in plan "P1" for revert
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When revexec I execute the revert correction
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Then revexec the result user_intervention_decision_id should not be empty
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# ── Guidance injection ─────────────────────────────────────────
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Scenario: Revert with guidance propagates to attempt details
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Given revexec a correction service without checkpoint service
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And revexec a correction request targeting decision "D1" in plan "P1" for revert with guidance "Prioritize payments"
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When revexec I execute the revert correction
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Then revexec the result status should be "applied"
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And revexec the attempt details should contain phase_transition_target
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# ── Full re-execution flow ─────────────────────────────────────
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Scenario: Full revert flow with checkpoint and actor state
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Given revexec a correction service with a mock checkpoint service
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And revexec a checkpoint exists for plan "P1" decision "D1" with ref "commit-sha-1"
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And revexec a decision "D1" with actor_state_ref "lg-state-99"
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And revexec a decision tree where "D1" has children "D2,D3"
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And revexec a correction request targeting decision "D1" in plan "P1" for revert with decisions
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When revexec I execute the revert correction with decisions and tree
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Then revexec the result checkpoint_restored should be true
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And revexec the result actor_state_ref should be "lg-state-99"
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And revexec the result phase_transition_target should be "strategize"
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And revexec the result user_intervention_decision_id should not be empty
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And revexec the reverted decisions should contain "D1"
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And revexec the reverted decisions should contain "D2"
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And revexec the reverted decisions should contain "D3"
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# ── Subtree selectivity ────────────────────────────────────────
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Scenario: Revert only affects downstream decisions from target
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Given revexec a correction service without checkpoint service
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And revexec a two-level tree "ROOT" children "D1,D2" then "D1" children "D3"
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And revexec a correction request targeting decision "D1" in plan "P1" for revert
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When revexec I execute the revert correction with tree
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Then revexec the reverted decisions should contain "D1"
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And revexec the reverted decisions should contain "D3"
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And revexec the reverted decisions should not contain "ROOT"
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And revexec the reverted decisions should not contain "D2"
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# ── Dispatch integration ───────────────────────────────────────
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Scenario: Execute correction dispatch passes decisions to revert
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Given revexec a correction service without checkpoint service
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And revexec a decision "D1" with actor_state_ref "dispatch-state-ref"
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And revexec a correction request targeting decision "D1" in plan "P1" for revert with decisions
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When revexec I dispatch execute_correction with decisions
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Then revexec the result actor_state_ref should be "dispatch-state-ref"
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And revexec the result phase_transition_target should be "strategize"
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# ── Error paths ─────────────────────────────────────────────────
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Scenario: Revert handles checkpoint list failure gracefully
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Given revexec a correction service with a failing checkpoint list
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And revexec a correction request targeting decision "D1" in plan "P1" for revert
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When revexec I execute the revert correction
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Then revexec the result checkpoint_restored should be false
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And revexec the result status should be "applied"
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Scenario: Revert handles checkpoint rollback failure gracefully
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Given revexec a correction service with a failing checkpoint rollback
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And revexec a correction request targeting decision "D1" in plan "P1" for revert
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When revexec I execute the revert correction
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Then revexec the result checkpoint_restored should be false
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And revexec the result status should be "applied"
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Scenario: Revert with decision not in mapping returns empty actor state
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Given revexec a correction service without checkpoint service
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And revexec a decision "OTHER" with actor_state_ref "lg-state-miss"
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And revexec a correction request targeting decision "D1" in plan "P1" for revert with decisions
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When revexec I execute the revert correction with decisions
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Then revexec the result actor_state_ref should be ""
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# ── CorrectionResult model fields ──────────────────────────────
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Scenario: CorrectionResult default revert fields
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When revexec I create a CorrectionResult with only correction_id and status
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Then revexec the result checkpoint_restored should be false
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And revexec the result actor_state_ref should be ""
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And revexec the result user_intervention_decision_id should be ""
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And revexec the result phase_transition_target should be ""
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