diff --git a/.forgejo/workflows/build.yml b/.forgejo/workflows/build.yml
index aa49ad5..cb3a60b 100644
--- a/.forgejo/workflows/build.yml
+++ b/.forgejo/workflows/build.yml
@@ -491,8 +491,18 @@ jobs:
       #     the PREVIOUS XPI while the freshly signed one is orphaned (#3156).
       #   * dev and main derive the same values for the same source.
       - name: Report the derived artifact version
+        env:
+          # Diagnostic for the trigger normalisation. `refresh` is reported RAW
+          # as well as normalised, because the two disagreeing is the whole
+          # failure mode: a dispatch input whose type does not compare the way
+          # the expression assumes evaluates to false silently, and the only
+          # symptom is a refresh that quietly behaves like an ordinary push.
+          RAW_REFRESH: ${{ github.event.inputs.refresh }}
+          RAW_FORCE: ${{ github.event.inputs.force_build }}
         run: |
           set -u
+          echo "trigger: event=$GITHUB_EVENT_NAME IS_REFRESH='${IS_REFRESH:-<unset>}' BUILD_REF='${BUILD_REF:-<unset>}'"
+          echo "trigger: raw inputs refresh='${RAW_REFRESH:-<unset>}' force_build='${RAW_FORCE:-<unset>}'"
           A=web
           V=$(sh scripts/artifacts.sh version "$A" 2>&1 || echo UNAVAILABLE)
           R=$(sh scripts/artifacts.sh revision "$A" 2>&1 || echo UNAVAILABLE)
@@ -1127,8 +1137,18 @@ jobs:
       #     the PREVIOUS XPI while the freshly signed one is orphaned (#3156).
       #   * dev and main derive the same values for the same source.
       - name: Report the derived artifact version
+        env:
+          # Diagnostic for the trigger normalisation. `refresh` is reported RAW
+          # as well as normalised, because the two disagreeing is the whole
+          # failure mode: a dispatch input whose type does not compare the way
+          # the expression assumes evaluates to false silently, and the only
+          # symptom is a refresh that quietly behaves like an ordinary push.
+          RAW_REFRESH: ${{ github.event.inputs.refresh }}
+          RAW_FORCE: ${{ github.event.inputs.force_build }}
         run: |
           set -u
+          echo "trigger: event=$GITHUB_EVENT_NAME IS_REFRESH='${IS_REFRESH:-<unset>}' BUILD_REF='${BUILD_REF:-<unset>}'"
+          echo "trigger: raw inputs refresh='${RAW_REFRESH:-<unset>}' force_build='${RAW_FORCE:-<unset>}'"
           A=ml
           V=$(sh scripts/artifacts.sh version "$A" 2>&1 || echo UNAVAILABLE)
           R=$(sh scripts/artifacts.sh revision "$A" 2>&1 || echo UNAVAILABLE)
@@ -1617,8 +1637,18 @@ jobs:
       #     the PREVIOUS XPI while the freshly signed one is orphaned (#3156).
       #   * dev and main derive the same values for the same source.
       - name: Report the derived artifact version
+        env:
+          # Diagnostic for the trigger normalisation. `refresh` is reported RAW
+          # as well as normalised, because the two disagreeing is the whole
+          # failure mode: a dispatch input whose type does not compare the way
+          # the expression assumes evaluates to false silently, and the only
+          # symptom is a refresh that quietly behaves like an ordinary push.
+          RAW_REFRESH: ${{ github.event.inputs.refresh }}
+          RAW_FORCE: ${{ github.event.inputs.force_build }}
         run: |
           set -u
+          echo "trigger: event=$GITHUB_EVENT_NAME IS_REFRESH='${IS_REFRESH:-<unset>}' BUILD_REF='${BUILD_REF:-<unset>}'"
+          echo "trigger: raw inputs refresh='${RAW_REFRESH:-<unset>}' force_build='${RAW_FORCE:-<unset>}'"
           A=agent
           V=$(sh scripts/artifacts.sh version "$A" 2>&1 || echo UNAVAILABLE)
           R=$(sh scripts/artifacts.sh revision "$A" 2>&1 || echo UNAVAILABLE)