Files
paliad/internal
mAi b21ce6dd7b feat(t-paliad-191): RuleEditorService — admin rule lifecycle
Phase 3 Slice 11a (m's Q5 option C: "I need to see these things,
admin only"). RuleEditorService owns the admin-only lifecycle for
paliad.deadline_rules:

  Create        → INSERT row with lifecycle_state='draft', published_at=NULL.
  UpdateDraft   → UPDATE WHERE id=$1 AND lifecycle_state='draft'.
                   Published or archived rows must clone-as-draft first
                   (ErrInvalidLifecycleState otherwise — 409).
  CloneAsDraft  → INSERT deep copy of source row (published OR archived)
                   as a new draft with draft_of pointing at the source.
                   Lets editors propose changes to live rules without
                   mutating the live row.
  Publish       → UPDATE lifecycle_state='published', set published_at.
                   When draft_of != NULL, also archives the cloned-from
                   peer so each rule has at most one live row.
  Archive       → UPDATE lifecycle_state='archived' (allowed from
                   published OR draft).
  Restore       → UPDATE lifecycle_state='published' (only from archived).
  Preview       → Calls FristenrechnerService.Calculate with the draft
                   as a RuleOverrides entry — pure simulation, no DB
                   write. If draft_of is set, the override substitutes
                   for the peer (matching ID); otherwise it's appended.
  ListAudit     → SELECT paliad.deadline_rule_audit rows for one rule,
                   newest-first, with offset/limit pagination. Joined
                   with paliad.users.display_name for the changed_by
                   column.
  ListRules     → Admin list view with filters (proceeding_type_id,
                   trigger_event_id, lifecycle_state, fuzzy q over
                   name / name_en / rule_code).
  ExportMigrationsSince → SQL blob generator for the migration-export
                   admin flow (Q-H-5 pure SQL format). v1 emits one
                   statement per audit row in chronological order;
                   Slice 11b polishes the output (header comment,
                   collapse consecutive UPDATEs).

Audit-reason invariant: every write method requires a non-empty
reason string. setAuditReasonTx writes it into the session-local
paliad.audit_reason setting in the same transaction as the
INSERT/UPDATE, so mig 079's trigger captures the rationale
forever. Empty reason → ErrAuditReasonRequired (400 in the handler).

Spawn cycle guard: validateSpawnNoCycle pre-checks Create + UpdateDraft
edits that touch spawn_proceeding_type_id against the global rule
graph. Reuses the design §6 cycle-guard semantics — walks the
target proceeding's spawn rules transitively; raises ErrCyclicSpawn
if any reachable proceeding is the source. Slice 7's runtime guard
catches anything this misses; the editor surface catches it at
edit time so the editor sees a clear 409 instead of a silent
projection failure.

Typed errors:
  ErrRuleNotFound          → 404 in handler
  ErrInvalidLifecycleState → 409 in handler
  ErrAuditReasonRequired   → 400 in handler
  ErrInvalidInput          → 400 (re-uses the existing services-wide error)
  ErrCyclicSpawn           → 409 (re-uses Slice 7's typed error)

RuleAuditEntry struct extends models.DeadlineRuleAudit with a
display_name for the admin UI; distinct from services.AuditEntry
(the cross-source union for the site-wide audit panel) so the two
read paths don't conflict.
2026-05-15 01:50:03 +02:00
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