Kairo-Jinkendo/backend/steering/strategies/next_action/queue_pull.py
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AP2.0d: Next-Action-Strategien nutzen Execution-Graph ready_actions.
Archetyp-Strategien priorisieren ausführungsbereite APs mit Begründung execution_ready/critical_path; continuous_product und program_delivery integriert.

Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-12 12:04:40 +02:00

100 lines
3.2 KiB
Python

"""Queue pull NextAction strategy — AP2.0d."""
from __future__ import annotations
from typing import Any
from db import get_connection
from psycopg2.extras import RealDictCursor
from steering.signals import default_rules
from steering.strategies.next_action.default_strategy import DefaultNextActionStrategy
from steering.strategies.next_action.execution_ready import (
list_execution_ready_candidates,
merge_candidates,
)
from steering.strategies.next_action.registry import (
get_next_action_strategy,
register_next_action_strategy,
)
from tenant_context import TenantContext
_default = DefaultNextActionStrategy()
def _queue_backlog_candidates(
ctx: TenantContext, initiative_id: str, *, limit: int
) -> list[dict[str, Any]]:
conn = get_connection()
try:
with conn.cursor(cursor_factory=RealDictCursor) as cur:
cur.execute(
"""
SELECT
'convert_backlog' AS kind,
bi.title AS title,
'Freigegebenes Backlog-Item aus Queue ziehen' AS summary,
bi.initiative_id,
NULL::uuid AS action_id,
bi.id AS backlog_item_id,
'backlog_accepted_not_converted' AS reason_code,
'In Maßnahme umwandeln' AS recommended_action
FROM backlog_items bi
WHERE bi.tenant_id = %s AND bi.initiative_id = %s
AND bi.status = 'accepted'
AND bi.converted_action_id IS NULL
ORDER BY bi.updated_at ASC
LIMIT %s
""",
(ctx.tenant_id, initiative_id, limit),
)
items: list[dict[str, Any]] = []
for row in cur.fetchall():
item = dict(row)
item["initiative_id"] = str(item["initiative_id"])
item["backlog_item_id"] = str(item["backlog_item_id"])
items.append(item)
return items
finally:
conn.close()
class QueuePullStrategy:
key = "queue_pull"
def evaluate(
self,
ctx: TenantContext,
*,
initiative_id: str | None = None,
limit: int = 10,
) -> list[dict[str, Any]]:
if limit < 1:
limit = 1
if not initiative_id:
return _default.evaluate(ctx, limit=limit)
queue = _queue_backlog_candidates(ctx, initiative_id, limit=limit)
remaining = limit - len(queue)
ready: list[dict[str, Any]] = []
if remaining > 0:
ready = list_execution_ready_candidates(
ctx, initiative_id, limit=remaining, prefer_critical_path=False
)
merged = merge_candidates(queue, ready, limit=limit)
if len(merged) >= limit:
return merged[:limit]
rest = default_rules.get_next_action_candidates_for_initiative(
ctx, initiative_id=initiative_id, limit=limit - len(merged)
)
return merge_candidates(merged, rest, limit=limit)
queue_pull_strategy = QueuePullStrategy()
def register_queue_pull_strategy() -> None:
if not get_next_action_strategy(queue_pull_strategy.key):
register_next_action_strategy(queue_pull_strategy)