.gitea/workflows/check-migration-collisions.yml

@@ -42,11 +42,9 @@ jobs:
   check:
     name: Migration version collision check
     runs-on: ubuntu-latest
-    # Phase 3 (RFC #219 §1): surface broken workflows without blocking
-    # the PR. Follow-up PR flips this off after surfaced defects are
-    # triaged.
-    # mc#1982: pre-existing continue-on-error mask; root-fix and remove, do not renew silently.
-    continue-on-error: true
+    # Phase 4 (RFC #219 §1): 22 days green since 2026-05-11 port.
+    # mc#1982 mask removed — no surfaced defects in this lane.
+    continue-on-error: false
     timeout-minutes: 5
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

.gitea/workflows/lint-bp-context-emit-match.yml

@@ -91,10 +91,10 @@ jobs:
     name: lint-bp-context-emit-match
     runs-on: ubuntu-latest
     timeout-minutes: 5
-    # Phase 3 (RFC #219 §1): surface drift without blocking. After 7
-    # clean scheduled runs on main, flip to false so a scheduled
-    # failure is a hard CI signal.
-    continue-on-error: true  # mc#1982 Phase 3 — flip to false after 7 clean main runs
+    # Phase 4 (RFC #219 §1): 22 days green since 2026-05-11 port,
+    # well past the 7-clean-run threshold. Scheduled failure is now
+    # a hard CI signal.
+    continue-on-error: false
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - uses: actions/setup-python@a26af69be951a213d495a4c3e4e4022e16d87065  # v5.6.0

.gitea/workflows/lint-curl-status-capture.yml

@@ -48,11 +48,9 @@ jobs:
   scan:
     name: Scan workflows for curl status-capture pollution
     runs-on: ubuntu-latest
-    # Phase 3 (RFC #219 §1): surface broken workflows without blocking
-    # the PR. Follow-up PR flips this off after surfaced defects are
-    # triaged.
-    # mc#1982: pre-existing continue-on-error mask; root-fix and remove, do not renew silently.
-    continue-on-error: true
+    # Phase 4 (RFC #219 §1): 22 days green since 2026-05-11 port.
+    # mc#1982 mask removed — no surfaced defects in this lane.
+    continue-on-error: false
     steps:
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
       - name: Find curl ... -w '%{http_code}' ... || echo "000" subshells

.gitea/workflows/lint-required-context-exists-in-bp.yml

@@ -81,10 +81,10 @@ jobs:
     name: lint-required-context-exists-in-bp
     runs-on: ubuntu-latest
     timeout-minutes: 5
-    # Phase 3 (RFC #219 §1): surface the pattern without blocking PRs
-    # while the directive convention beds in. Follow-up flip to false
-    # after 7 clean days on main. mc#1982.
-    continue-on-error: true  # mc#1982 Phase 3 — flip to false after 7 clean main runs
+    # Phase 4 (RFC #219 §1): 22 days green since 2026-05-11 port,
+    # well past the 7-clean-day threshold. PR-time failure is now
+    # a hard CI signal.
+    continue-on-error: false
     steps:
       - name: Check out PR head with full history (need base SHA blobs)
         uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2