Merge pull request 'feat: comment-then-stop policy for partial PR reconciliation (Closes #302)' (#375) from feat/issue-302-partial-reconciliation-policy into master
This commit was merged in pull request #375.
This commit is contained in:
@@ -4094,6 +4094,168 @@ def assess_reviewer_baseline_validation_proof(
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# ---------------------------------------------------------------------------
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# Partial reconciliation policy (#302)
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# ---------------------------------------------------------------------------
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# Durable policy choice for already-landed PR reconciliation when
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# ``gitea.pr.close`` is unavailable: Option B, comment-then-stop.
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PARTIAL_RECONCILIATION_POLICY = "comment_then_stop"
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PARTIAL_RECONCILIATION_COMMENT_FIELDS = (
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"PR head SHA",
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"target branch SHA",
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"ancestor proof",
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"linked issue status",
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"required missing capability",
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)
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def resolve_partial_reconciliation_plan(
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*,
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ancestor_proven: bool,
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capabilities: dict | None,
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) -> dict:
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"""#302: decide reconciliation mutations from proven capabilities.
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Implements the comment-then-stop policy (Option B): with ancestor
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proof but no ``close_pr`` capability, a reconciliation comment with
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the full proof is posted when ``comment_pr`` is proven, then the
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workflow stops for an authorized close. Missing comment capability
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degrades to a recovery handoff with no Gitea mutation. Unproven
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ancestry blocks every mutation regardless of capability.
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*capabilities* maps ``close_pr``/``comment_pr``/``close_issue``/
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``comment_issue`` to proven booleans; ``None`` or missing keys fail
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closed.
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"""
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caps = capabilities or {}
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if not ancestor_proven:
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return {
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"policy": PARTIAL_RECONCILIATION_POLICY,
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"outcome": "GATE_NOT_PROVEN",
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"allowed_mutations": (),
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"required_comment_fields": (),
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"report_requirements": (
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"state that ancestry was not proven and no Gitea mutation "
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"was performed",
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),
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"reasons": [
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"ancestor proof missing; no reconciliation mutation may "
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"run (#302)"
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],
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"safe_next_action": (
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"run the already-landed ancestry check before any "
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"reconciliation mutation"
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),
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}
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if caps.get("close_pr") is True:
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return {
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"policy": PARTIAL_RECONCILIATION_POLICY,
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"outcome": "FULL_RECONCILE_CLOSE_ALLOWED",
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"allowed_mutations": ("close_pr", "comment_pr"),
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"required_comment_fields": (),
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"report_requirements": (
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"report the PR close result",
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),
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"reasons": [],
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"safe_next_action": (
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"close the already-landed PR with the proven close_pr "
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"capability and report the close result"
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),
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}
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if caps.get("comment_pr") is True:
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return {
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"policy": PARTIAL_RECONCILIATION_POLICY,
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"outcome": "PARTIAL_RECONCILE_COMMENT_THEN_STOP",
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"allowed_mutations": ("comment_pr",),
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"required_comment_fields": PARTIAL_RECONCILIATION_COMMENT_FIELDS,
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"report_requirements": (
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"report that the reconciliation comment was posted",
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"report the missing close capability that prevented the "
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"PR close",
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),
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"reasons": [
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"close_pr capability missing; policy is comment-then-stop "
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"(#302)"
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],
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"safe_next_action": (
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"post one reconciliation comment carrying the ancestor "
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"proof, then stop for a human or authorized close"
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),
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}
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return {
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"policy": PARTIAL_RECONCILIATION_POLICY,
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"outcome": "RECOVERY_HANDOFF_ONLY",
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"allowed_mutations": (),
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"required_comment_fields": (),
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"report_requirements": (
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"report that no reconciliation comment was posted and name "
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"the missing capability",
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"report that no Gitea mutation was performed",
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),
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"reasons": [
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"close_pr and comment_pr capabilities missing; recovery "
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"handoff only (#302)"
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],
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"safe_next_action": (
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"produce a recovery handoff recording the intended comment "
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"and required capabilities; perform no Gitea mutation"
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),
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}
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def assess_partial_reconciliation_report(
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report_text: str | None,
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*,
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plan: dict,
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) -> dict:
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"""#302: final reports must explain why comments were or were not posted."""
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text = (report_text or "").lower()
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outcome = (plan or {}).get("outcome", "")
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reasons: list[str] = []
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if outcome == "FULL_RECONCILE_CLOSE_ALLOWED":
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if "close" not in text or "result" not in text:
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reasons.append(
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"full reconciliation report must state the PR close "
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"result (#302)"
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)
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elif outcome == "PARTIAL_RECONCILE_COMMENT_THEN_STOP":
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if "comment" not in text:
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reasons.append(
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"partial reconciliation report must state that the "
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"reconciliation comment was posted (#302)"
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)
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if "capability" not in text and "close_pr" not in text:
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reasons.append(
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"partial reconciliation report must name the missing "
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"close capability (#302)"
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)
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elif outcome == "RECOVERY_HANDOFF_ONLY":
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if "comment" not in text or "capability" not in text:
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reasons.append(
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"recovery handoff report must explain that no comment was "
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"posted and name the missing capability (#302)"
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)
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if "no gitea mutation" not in text and "no mutation" not in text:
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reasons.append(
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"recovery handoff report must state that no Gitea "
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"mutation was performed (#302)"
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)
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return {
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"complete": not reasons,
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"block": bool(reasons),
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"reasons": reasons,
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}
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# ---------------------------------------------------------------------------
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# Already-landed review gate (#292)
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# ---------------------------------------------------------------------------
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@@ -4259,6 +4421,9 @@ def assess_already_landed_report_state(
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}
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# ---------------------------------------------------------------------------
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# ---------------------------------------------------------------------------
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# Full-suite failure approval gate (#323)
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# ---------------------------------------------------------------------------
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