feat(governance): 新增 result capture promotion gate

apps/api/src/api/v1/agents.py

@@ -118,6 +118,9 @@ from src.services.ai_agent_reviewer_queue_no_write_readback import (
 from src.services.ai_agent_result_capture_no_write_readback import (
     load_latest_ai_agent_result_capture_no_write_readback,
 )
+from src.services.ai_agent_result_capture_promotion_approval_gate import (
+    load_latest_ai_agent_result_capture_promotion_approval_gate,
+)
 from src.services.ai_agent_runtime_readback_approval_package import (
     load_latest_ai_agent_runtime_readback_approval_package,
 )
@@ -1623,6 +1626,36 @@ async def get_agent_result_capture_no_write_readback() -> dict[str, Any]:
         ) from exc
 
 
+@router.get(
+    "/agent-result-capture-promotion-approval-gate",
+    response_model=dict[str, Any],
+    summary="取得 AI Agent result capture promotion approval gate",
+    description=(
+        "讀取最新已提交的 P2-119 result capture promotion approval gate；"
+        "此端點只回傳 promotion approval packet、acceptance template、verifier、"
+        "blocked promotion write 與 operator handoff，不寫 result capture、learning、"
+        "PlayBook trust、Gateway queue，不送 Telegram、不呼叫 Bot API、不讀 canonical runtime target、"
+        "不讀 secret。"
+    ),
+)
+async def get_agent_result_capture_promotion_approval_gate() -> dict[str, Any]:
+    """Return the latest read-only result capture promotion approval gate package."""
+    try:
+        payload = await asyncio.to_thread(load_latest_ai_agent_result_capture_promotion_approval_gate)
+        return redact_public_lan_topology(payload)
+    except FileNotFoundError as exc:
+        raise HTTPException(
+            status_code=status.HTTP_404_NOT_FOUND,
+            detail=str(exc),
+        ) from exc
+    except (json.JSONDecodeError, ValueError) as exc:
+        logger.error("ai_agent_result_capture_promotion_approval_gate_invalid", error=str(exc))
+        raise HTTPException(
+            status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
+            detail="AI Agent result capture promotion approval gate 無效",
+        ) from exc
+
+
 @router.get(
     "/agent-owner-approved-fixture-dry-run",
     response_model=dict[str, Any],

apps/api/src/services/ai_agent_result_capture_promotion_approval_gate.py

@@ -0,0 +1,365 @@
+"""
+AI Agent result capture promotion approval gate snapshot.
+
+Loads the latest committed P2-119 result capture promotion approval package. This
+module validates committed evidence only; it never writes result captures,
+writes learning records, updates PlayBook trust, writes Gateway queues, sends
+Telegram messages, reads canonical runtime targets, reads secrets, or performs
+destructive operations.
+"""
+
+from __future__ import annotations
+
+import json
+from pathlib import Path
+from typing import Any
+
+from src.services.snapshot_paths import default_evaluations_dir
+
+_DEFAULT_EVALUATIONS_DIR = default_evaluations_dir(Path(__file__))
+_SNAPSHOT_PATTERN = "ai_agent_result_capture_promotion_approval_gate_*.json"
+_SCHEMA_VERSION = "ai_agent_result_capture_promotion_approval_gate_v1"
+_RUNTIME_AUTHORITY = "result_capture_promotion_approval_gate_only_no_capture_or_learning_write"
+_TARGET_PROMOTION = "result_capture_promotion_preview"
+
+
+def load_latest_ai_agent_result_capture_promotion_approval_gate(
+    evaluations_dir: Path | None = None,
+) -> dict[str, Any]:
+    """Load the newest committed result capture promotion approval gate package."""
+    directory = evaluations_dir or _DEFAULT_EVALUATIONS_DIR
+    candidates = sorted(directory.glob(_SNAPSHOT_PATTERN))
+    if not candidates:
+        raise FileNotFoundError(f"no AI Agent result capture promotion approval gate snapshots found in {directory}")
+
+    latest = candidates[-1]
+    with latest.open(encoding="utf-8") as handle:
+        payload = json.load(handle)
+
+    if not isinstance(payload, dict):
+        raise ValueError(f"{latest}: expected JSON object")
+
+    label = str(latest)
+    _require_schema(payload, label)
+    _require_prior(payload, label)
+    _require_truth(payload, label)
+    _require_promotion_packets(payload, label)
+    _require_acceptance_templates(payload, label)
+    _require_verifier_checks(payload, label)
+    _require_blockers(payload, label)
+    _require_actions(payload, label)
+    _require_display_redaction(payload, label)
+    _require_no_forbidden_display_terms(payload, label)
+    _require_rollup_consistency(payload, label)
+    return payload
+
+
+def _require_schema(payload: dict[str, Any], label: str) -> None:
+    if payload.get("schema_version") != _SCHEMA_VERSION:
+        raise ValueError(f"{label}: expected schema_version={_SCHEMA_VERSION}")
+    status = payload.get("program_status") or {}
+    expected = {
+        "current_priority": "P2",
+        "current_task_id": "P2-119",
+        "next_task_id": "P2-120",
+        "read_only_mode": True,
+        "runtime_authority": _RUNTIME_AUTHORITY,
+        "overall_completion_percent": 100,
+    }
+    mismatches = _mismatches(status, expected)
+    if mismatches:
+        raise ValueError(f"{label}: program_status mismatch: {mismatches}")
+    if not status.get("status_note"):
+        raise ValueError(f"{label}: program_status.status_note is required")
+
+
+def _require_prior(payload: dict[str, Any], label: str) -> None:
+    prior = payload.get("prior_result_capture_no_write_readback") or {}
+    expected = {
+        "schema_version": "ai_agent_result_capture_no_write_readback_v1",
+        "result_capture_readback_fixture_count": 5,
+        "capture_field_mapping_count": 5,
+        "readback_verifier_check_count": 5,
+        "blocked_result_capture_write_count": 5,
+        "operator_action_count": 5,
+        "result_capture_write_count": 0,
+        "learning_write_count": 0,
+        "playbook_trust_write_count": 0,
+        "reviewer_queue_write_count": 0,
+        "gateway_queue_write_count": 0,
+        "telegram_send_count": 0,
+        "bot_api_call_count": 0,
+        "report_receipt_write_count": 0,
+    }
+    mismatches = _mismatches(prior, expected)
+    if mismatches:
+        raise ValueError(f"{label}: prior_result_capture_no_write_readback mismatch: {mismatches}")
+    if not prior.get("readiness_note"):
+        raise ValueError(f"{label}: prior_result_capture_no_write_readback.readiness_note is required")
+
+
+def _require_truth(payload: dict[str, Any], label: str) -> None:
+    truth = payload.get("promotion_truth") or {}
+    required_true = {
+        "p2_118_result_capture_readback_loaded",
+        "promotion_approval_package_ready",
+        "acceptance_gate_template_ready",
+        "promotion_verifier_ready",
+        "operator_handoff_ready",
+        "rollback_and_reverify_required",
+    }
+    missing = sorted(field for field in required_true if truth.get(field) is not True)
+    if missing:
+        raise ValueError(f"{label}: promotion ready flags must remain true: {missing}")
+    for field in {"owner_approval_received", "capture_promotion_approved"}:
+        if truth.get(field) is not False:
+            raise ValueError(f"{label}: {field} must remain false before promotion write")
+
+    required_false = {
+        "canonical_runtime_target_read_enabled",
+        "live_query_enabled",
+        "reviewer_queue_write_enabled",
+        "gateway_queue_write_enabled",
+        "telegram_send_enabled",
+        "bot_api_call_enabled",
+        "report_receipt_write_enabled",
+        "result_capture_write_enabled",
+        "learning_write_enabled",
+        "playbook_trust_write_enabled",
+        "production_write_enabled",
+        "secret_read_enabled",
+        "destructive_operation_enabled",
+    }
+    unsafe = sorted(field for field in required_false if truth.get(field) is not False)
+    if unsafe:
+        raise ValueError(f"{label}: live read/send/write flags must remain false: {unsafe}")
+
+    zero_counts = {
+        "owner_approval_received_count",
+        "capture_promotion_approved_count",
+        "canonical_runtime_target_read_count",
+        "live_query_count",
+        "reviewer_queue_write_count",
+        "gateway_queue_write_count",
+        "telegram_send_count",
+        "bot_api_call_count",
+        "report_receipt_write_count",
+        "result_capture_write_count",
+        "learning_write_count",
+        "playbook_trust_write_count",
+        "production_write_count",
+    }
+    non_zero = sorted(field for field in zero_counts if truth.get(field) != 0)
+    if non_zero:
+        raise ValueError(f"{label}: promotion live counters must remain zero: {non_zero}")
+    if not truth.get("truth_note"):
+        raise ValueError(f"{label}: promotion_truth.truth_note is required")
+
+
+def _require_promotion_packets(payload: dict[str, Any], label: str) -> None:
+    packets = payload.get("promotion_approval_packets") or []
+    required = {
+        "promotion_packet_action_required",
+        "promotion_packet_no_action_review",
+        "promotion_packet_verifier_degraded",
+        "promotion_packet_route_lock",
+        "promotion_packet_owner_acceptance",
+    }
+    packet_ids = {packet.get("packet_id") for packet in packets}
+    if packet_ids != required:
+        raise ValueError(f"{label}: promotion approval packets must match {sorted(required)}")
+    for packet in packets:
+        packet_id = packet.get("packet_id")
+        if packet.get("promotion_mode") != "approval_gate_only":
+            raise ValueError(f"{label}: packet {packet_id} must remain approval_gate_only")
+        if packet.get("result_capture_write_enabled") is not False:
+            raise ValueError(f"{label}: packet {packet_id} must not enable result capture write")
+        if packet.get("status") not in {"ready_for_owner_review", "approval_required", "blocked_by_policy"}:
+            raise ValueError(f"{label}: packet {packet_id} status is invalid")
+        if not packet.get("required_decision") or not packet.get("approval_lane"):
+            raise ValueError(f"{label}: packet {packet_id} must include approval lane and required decision")
+        if not _is_redacted_sha256(packet.get("evidence_hash")):
+            raise ValueError(f"{label}: packet {packet_id} must expose redacted evidence_hash")
+
+
+def _require_acceptance_templates(payload: dict[str, Any], label: str) -> None:
+    templates = payload.get("acceptance_gate_templates") or []
+    required = {
+        "owner_acceptance_record_template",
+        "capture_write_scope_template",
+        "learning_write_scope_template",
+        "playbook_trust_scope_template",
+        "rollback_and_verifier_template",
+    }
+    template_ids = {template.get("template_id") for template in templates}
+    if template_ids != required:
+        raise ValueError(f"{label}: acceptance gate templates must match {sorted(required)}")
+    for template in templates:
+        template_id = template.get("template_id")
+        if template.get("target_promotion") != _TARGET_PROMOTION:
+            raise ValueError(f"{label}: template {template_id} must target {_TARGET_PROMOTION}")
+        if template.get("promotion_write_enabled") is not False:
+            raise ValueError(f"{label}: template {template_id} must not enable promotion write")
+        if template.get("status") not in {"ready", "approval_required", "blocked_by_policy"}:
+            raise ValueError(f"{label}: template {template_id} status is invalid")
+        if not template.get("required_owner") or not template.get("required_fields"):
+            raise ValueError(f"{label}: template {template_id} required owner and fields are required")
+        if not _is_redacted_sha256(template.get("evidence_hash")):
+            raise ValueError(f"{label}: template {template_id} must expose redacted evidence_hash")
+
+
+def _require_verifier_checks(payload: dict[str, Any], label: str) -> None:
+    checks = payload.get("promotion_verifier_checks") or []
+    required = {
+        "no_result_capture_write_before_approval",
+        "no_learning_write_before_approval",
+        "no_playbook_trust_before_approval",
+        "no_gateway_queue_before_approval",
+        "promotion_redaction_completeness",
+    }
+    verifier_ids = {check.get("verifier_id") for check in checks}
+    if verifier_ids != required:
+        raise ValueError(f"{label}: promotion verifier checks must match {sorted(required)}")
+    for check in checks:
+        verifier_id = check.get("verifier_id")
+        if check.get("live_execution_enabled") is not False:
+            raise ValueError(f"{label}: verifier {verifier_id} must not enable live execution")
+        if check.get("status") not in {"ready", "approval_required", "blocked_by_policy"}:
+            raise ValueError(f"{label}: verifier {verifier_id} status is invalid")
+        if not check.get("verifies") or not check.get("failure_if_missing"):
+            raise ValueError(f"{label}: verifier {verifier_id} must include verifies and failure_if_missing")
+        if not _is_redacted_sha256(check.get("evidence_hash")):
+            raise ValueError(f"{label}: verifier {verifier_id} must expose redacted evidence_hash")
+
+
+def _require_blockers(payload: dict[str, Any], label: str) -> None:
+    blockers = payload.get("blocked_promotion_writes") or []
+    required = {
+        "result_capture_promotion_not_authorized",
+        "learning_promotion_not_authorized",
+        "playbook_trust_promotion_not_authorized",
+        "gateway_queue_promotion_not_authorized",
+        "production_promotion_not_authorized",
+    }
+    blocker_ids = {blocker.get("blocker_id") for blocker in blockers}
+    if blocker_ids != required:
+        raise ValueError(f"{label}: blocked promotion writes must match {sorted(required)}")
+    for blocker in blockers:
+        blocker_id = blocker.get("blocker_id")
+        if blocker.get("status") not in {"approval_required", "blocked_by_policy"}:
+            raise ValueError(f"{label}: blocker {blocker_id} status is invalid")
+        if blocker.get("severity") not in {"high", "critical"}:
+            raise ValueError(f"{label}: blocker {blocker_id} severity is invalid")
+        if not blocker.get("blocked_action") or not blocker.get("blocked_until"):
+            raise ValueError(f"{label}: blocker {blocker_id} must include blocked_action and blocked_until")
+        if not _is_redacted_sha256(blocker.get("evidence_hash")):
+            raise ValueError(f"{label}: blocker {blocker_id} must expose redacted evidence_hash")
+
+
+def _require_actions(payload: dict[str, Any], label: str) -> None:
+    actions = payload.get("operator_actions") or []
+    required = {
+        "review_promotion_approval_packet",
+        "verify_no_write_promotion_counts",
+        "confirm_acceptance_scope",
+        "check_promotion_redaction_contract",
+        "promote_to_p2_120",
+    }
+    action_ids = {action.get("action_id") for action in actions}
+    if action_ids != required:
+        raise ValueError(f"{label}: operator actions must match {sorted(required)}")
+    for action in actions:
+        action_id = action.get("action_id")
+        if action.get("runtime_promotion_write_allowed") is not False:
+            raise ValueError(f"{label}: action {action_id} must not allow runtime promotion write")
+        if not action.get("operator_instruction"):
+            raise ValueError(f"{label}: action {action_id} operator_instruction is required")
+
+
+def _require_display_redaction(payload: dict[str, Any], label: str) -> None:
+    contract = payload.get("display_redaction_contract") or {}
+    expected = {
+        "redaction_required": True,
+        "raw_prompt_display_allowed": False,
+        "private_reasoning_display_allowed": False,
+        "secret_value_display_allowed": False,
+        "raw_runtime_payload_display_allowed": False,
+        "internal_collaboration_content_display_allowed": False,
+    }
+    mismatches = _mismatches(contract, expected)
+    if mismatches:
+        raise ValueError(f"{label}: display_redaction_contract mismatch: {mismatches}")
+    if not contract.get("frontend_display_policy"):
+        raise ValueError(f"{label}: display_redaction_contract.frontend_display_policy is required")
+
+
+def _require_rollup_consistency(payload: dict[str, Any], label: str) -> None:
+    rollups = payload.get("rollups") or {}
+    packets = payload.get("promotion_approval_packets") or []
+    templates = payload.get("acceptance_gate_templates") or []
+    verifiers = payload.get("promotion_verifier_checks") or []
+    blockers = payload.get("blocked_promotion_writes") or []
+    actions = payload.get("operator_actions") or []
+    expected = {
+        "promotion_approval_packet_count": len(packets),
+        "acceptance_gate_template_count": len(templates),
+        "promotion_verifier_check_count": len(verifiers),
+        "blocked_promotion_write_count": len(blockers),
+        "operator_action_count": len(actions),
+        "approval_required_packet_count": sum(1 for item in packets if item.get("status") == "approval_required"),
+        "blocked_packet_count": sum(1 for item in packets if item.get("status") == "blocked_by_policy"),
+        "approval_required_template_count": sum(1 for item in templates if item.get("status") == "approval_required"),
+        "blocked_template_count": sum(1 for item in templates if item.get("status") == "blocked_by_policy"),
+        "approval_required_verifier_count": sum(1 for item in verifiers if item.get("status") == "approval_required"),
+        "critical_blocker_count": sum(1 for item in blockers if item.get("severity") == "critical"),
+        "owner_approval_received_count": 0,
+        "capture_promotion_approved_count": 0,
+        "canonical_runtime_target_read_count": 0,
+        "live_query_count": 0,
+        "reviewer_queue_write_count": 0,
+        "gateway_queue_write_count": 0,
+        "telegram_send_count": 0,
+        "bot_api_call_count": 0,
+        "report_receipt_write_count": 0,
+        "result_capture_write_count": 0,
+        "learning_write_count": 0,
+        "playbook_trust_write_count": 0,
+        "production_write_count": 0,
+        "secret_read_count": 0,
+        "destructive_operation_count": 0,
+    }
+    mismatches = _mismatches(rollups, expected)
+    if mismatches:
+        raise ValueError(f"{label}: rollup counts mismatch: {mismatches}")
+
+
+def _require_no_forbidden_display_terms(payload: dict[str, Any], label: str) -> None:
+    serialized = json.dumps(payload, ensure_ascii=False)
+    forbidden = {
+        "work_window_transcript",
+        "session_id",
+        "browser_context",
+        "authorization_header",
+        "raw Telegram payload",
+        "private reasoning",
+        "raw prompt",
+        "chain-of-thought",
+    }
+    hits = sorted(term for term in forbidden if term in serialized)
+    if hits:
+        raise ValueError(f"{label}: forbidden display terms present: {hits}")
+
+
+def _is_redacted_sha256(value: Any) -> bool:
+    if not isinstance(value, str) or not value.startswith("sha256:"):
+        return False
+    digest = value.removeprefix("sha256:")
+    return len(digest) == 64 and all(char in "0123456789abcdef" for char in digest)
+
+
+def _mismatches(payload: dict[str, Any], expected: dict[str, Any]) -> dict[str, dict[str, Any]]:
+    return {
+        key: {"expected": value, "actual": payload.get(key)}
+        for key, value in expected.items()
+        if payload.get(key) != value
+    }