Implements end-to-end acceptance test exercising the complete M4 feature set:
subplan spawning, correction flows (revert/append modes), checkpoint creation,
decision tree inspection, and plan lifecycle with real LLM API keys.

ISSUES CLOSED: #744

@@ -0,0 +20,4 @@
+    [Documentation]    End-to-end acceptance test for the M4 milestone.
+    ...
+    ...                Tests subplan spawning, correction modes (revert/append),
+    ...                checkpoint creation, and rollback with real LLM API keys.

@@ -0,0 +39,4 @@
+    Create Directory    ${repo_dir}${/}src
+    Create File    ${repo_dir}${/}src${/}main.py    print("hello")\n
+    Create File    ${repo_dir}${/}src${/}utils.py    def helper(): return True\n
+    Run Process    git    add    .    cwd=${repo_dir}

@@ -0,0 +80,4 @@
+    Should Not Contain    ${r_use.stdout}${r_use.stderr}    Traceback
+    Should Not Contain    ${r_use.stdout}${r_use.stderr}    INTERNAL
+    Should Not Be Empty    ${r_use.stdout}
+    ${plan_ids}=    Get Regexp Matches    ${r_use.stdout}    [0-9A-HJ-NP-Z]{26}

@@ -0,0 +116,4 @@
+    # We log whether subplan decisions were found for diagnostic purposes.
+    ${subplan_matches}=    Get Regexp Matches    ${r_tree.stdout}    subplan
+    ${subplan_count}=    Get Length    ${subplan_matches}
+    Log    Subplan-related entries in tree: ${subplan_count}

@@ -0,0 +177,4 @@
+    # produced a checkpoint, exercise rollback; otherwise log and continue.
+    Run Keyword If    ${has_checkpoint} > 0
+    ...    Exercise Checkpoint Rollback    ${plan_id}    ${checkpoint_matches}[0]
+    Run Keyword If    ${has_checkpoint} == 0

@@ -0,0 +237,4 @@
+    ${r_rollback}=    Run CleverAgents Command
+    ...    plan    rollback    ${plan_id}    ${checkpoint_id}
+    ...    --yes    --format    plain
+    ...    timeout=120s    expected_rc=None

@@ -2,6 +2,7 @@
 
 ## Unreleased
 
+<<<<<<< HEAD

@@ -0,0 +32,4 @@
+    Create Directory    ${repo_dir}${/}src
+    Create File    ${repo_dir}${/}src${/}main.py    print("hello")\n
+    Create File    ${repo_dir}${/}src${/}utils.py    def helper(): return True\n
+    Run Process    git    add    .    cwd=${repo_dir}

@@ -0,0 +57,4 @@
+    ...    name: ${ACTION_NAME}
+    ...    description: M4 acceptance test with subplans and corrections
+    ...    definition_of_done: Generate or modify source files with corrections applied
+    ...    strategy_actor: openai/gpt-4

@@ -0,0 +96,4 @@
+    Should Not Be Empty    ${r_tree.stdout}
+    Log    Decision tree: ${r_tree.stdout}
+    # Verify tree contains decision IDs
+    ${decision_ids}=    Get Regexp Matches    ${r_tree.stdout}    [0-9A-HJ-NP-Z]{26}

@@ -0,0 +145,4 @@
+    # ---- Step 9: Exercise correction — revert mode ----
+    # Use the first decision from the tree for correction.
+    ${decision_id}=    Set Variable    ${decision_ids}[0]
+    ${r_correct_revert}=    Run CleverAgents Command

@@ -0,0 +158,4 @@
+
+    # ---- Step 10: Exercise correction — append mode ----
+    ${r_correct_append}=    Run CleverAgents Command
+    ...    plan    correct    ${decision_id}

@@ -0,0 +226,4 @@
+    ...    msg=Plan did not reach Apply phase after lifecycle-apply
+    # Verify processing state is consistent (queued, processing, or terminal)
+    Should Match Regexp    ${r_final.stdout}
+    ...    "processing_state"\\s*:\\s*"(queued|processing|complete|applied)"

@@ -0,0 +131,4 @@
+    ${merge_type_matches}=    Get Regexp Matches    ${r_tree.stdout}
+    ...    "type"\\s*:\\s*"[^"]*merge[^"]*"
+    ${merge_chosen_matches}=    Get Regexp Matches    ${r_tree.stdout}
+    ...    "chosen"\\s*:\\s*"[^"]*[Mm]erge[^"]*"

@@ -0,0 +168,4 @@
+    Fail If Command Failed    ${r_correct_revert}    plan correct (revert)
+    # Assert correction-specific output
+    ${revert_lower}=    Evaluate    ($r_correct_revert.stdout).lower()
+    ${has_revert_kw}=    Evaluate    'revert' in $revert_lower or 'correction' in $revert_lower or 'supersed' in $revert_lower or 'decision' in $revert_lower

@@ -0,0 +196,4 @@
+    ...    timeout=180s    expected_rc=None
+    Fail If Command Failed    ${r_correct_append}    plan correct (append)
+    ${append_lower}=    Evaluate    ($r_correct_append.stdout).lower()
+    ${has_append_kw}=    Evaluate    'append' in $append_lower or 'correction' in $append_lower or 'decision' in $append_lower

@@ -0,0 +201,4 @@
+    ...    msg=Append correction output should contain correction-specific keywords
+
+    # ---- Step 11: Exercise checkpoint rollback ----
+    Exercise Checkpoint Rollback    ${plan_id}    ${checkpoint_matches}[0]

@@ -0,0 +275,4 @@
+        IF    ${terminal_count} > 0    RETURN
+        Sleep    10s    Waiting for plan to reach terminal state...
+    END
+    Log    Plan did not reach terminal state within 3 minutes    WARN