mod: Ext 19 — end-to-end triage pipeline (capstone), 390/390

mod/triage-pipeline domain r reports actor composes domain-policy decision →
explanation → AP activity → wire into one bundle. Integration test runs the whole
federated path across 5 modules (decide → wire → peer → trust-gated apply),
confirming the module-by-module subsystem composes end to end. +15 tests.

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

lib/mod/conformance.conf

@@ -26,6 +26,7 @@ PRELOADS=(
   lib/mod/wire.sx
   lib/mod/activity.sx
   lib/mod/policies.sx
+  lib/mod/pipeline.sx
   lib/mod/lifecycle.sx
   lib/mod/audit.sx
   lib/mod/api.sx
@@ -55,4 +56,5 @@ SUITES=(
   "activity:lib/mod/tests/activity.sx:(mod-activity-tests-run!)"
   "policies:lib/mod/tests/policies.sx:(mod-policies-tests-run!)"
   "defrule:lib/mod/tests/defrule.sx:(mod-defrule-tests-run!)"
+  "pipeline:lib/mod/tests/pipeline.sx:(mod-pipeline-tests-run!)"
 )