diff --git a/.forgejo/workflows/ci.yml b/.forgejo/workflows/ci.yml
index daf65c2..86f419e 100644
--- a/.forgejo/workflows/ci.yml
+++ b/.forgejo/workflows/ci.yml
@@ -81,16 +81,19 @@ jobs:
   # reveals which shard is the long pole.
   #
   # Each shard's docker-ps filter uses its own unique job name to scope
-  # service-container resolution (act_runner names containers
-  # `...JOB-<job-name>-...`); shard names must stay unique across the
-  # workflow for this to work.
+  # service-container resolution. act_runner appears to strip underscores
+  # from job names when building container labels — `int_api` yielded
+  # zero matches on 2026-05-25 — so shards use no-separator names
+  # (`intapi`, `intimp`, `intcore`) instead. Each step prints
+  # `docker ps -a` first so a future naming-convention shift surfaces in
+  # the log without another guess-and-push cycle.
   #
   # Pre-baking requirements.txt into ci-python:3.14 is intentionally NOT
   # done — per ci-requirements.md, FC is the only Python consumer of that
   # image and the CI-Runner project's "add deps to image when used by >1
   # project" rule keeps the install per-job.
 
-  int_api:
+  intapi:
     runs-on: python-ci
     container:
       image: git.fabledsword.com/bvandeusen/ci-python:3.14
@@ -131,8 +134,11 @@ jobs:
       - name: API integration shard (resolve service IPs, migrate, test)
         run: |
           set -eux
-          PG=$(docker ps --filter "name=JOB-int_api" --filter "ancestor=pgvector/pgvector:pg16" -q | head -n1)
-          RD=$(docker ps --filter "name=JOB-int_api" --filter "ancestor=redis:7-alpine" -q | head -n1)
+          echo "=== container landscape (diagnostic for filter scoping) ==="
+          docker ps -a --format '{{.ID}} {{.Image}} -> {{.Names}}'
+          echo "=== end landscape ==="
+          PG=$(docker ps --filter "name=intapi" --filter "ancestor=pgvector/pgvector:pg16" -q | head -n1)
+          RD=$(docker ps --filter "name=intapi" --filter "ancestor=redis:7-alpine" -q | head -n1)
           test -n "$PG" && test -n "$RD"
           PG_IP=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$PG")
           RD_IP=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$RD")
@@ -152,7 +158,7 @@ jobs:
           alembic upgrade head
           pytest tests/test_api_*.py -v -m integration --durations=15
 
-  int_imp:
+  intimp:
     runs-on: python-ci
     container:
       image: git.fabledsword.com/bvandeusen/ci-python:3.14
@@ -193,8 +199,11 @@ jobs:
       - name: Importer integration shard (resolve service IPs, migrate, test)
         run: |
           set -eux
-          PG=$(docker ps --filter "name=JOB-int_imp" --filter "ancestor=pgvector/pgvector:pg16" -q | head -n1)
-          RD=$(docker ps --filter "name=JOB-int_imp" --filter "ancestor=redis:7-alpine" -q | head -n1)
+          echo "=== container landscape (diagnostic for filter scoping) ==="
+          docker ps -a --format '{{.ID}} {{.Image}} -> {{.Names}}'
+          echo "=== end landscape ==="
+          PG=$(docker ps --filter "name=intimp" --filter "ancestor=pgvector/pgvector:pg16" -q | head -n1)
+          RD=$(docker ps --filter "name=intimp" --filter "ancestor=redis:7-alpine" -q | head -n1)
           test -n "$PG" && test -n "$RD"
           PG_IP=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$PG")
           RD_IP=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$RD")
@@ -214,7 +223,7 @@ jobs:
           alembic upgrade head
           pytest tests/test_importer*.py tests/test_import_*.py tests/test_migration_*.py tests/test_phash_*.py tests/test_sidecar_*.py tests/test_scan_*.py tests/test_archive_extractor.py tests/test_backfill_phash.py -v -m integration --durations=15
 
-  int_core:
+  intcore:
     runs-on: python-ci
     container:
       image: git.fabledsword.com/bvandeusen/ci-python:3.14
@@ -255,8 +264,11 @@ jobs:
       - name: Core integration shard (everything not api / importer / migration / phash / sidecar / scan / archive / backfill)
         run: |
           set -eux
-          PG=$(docker ps --filter "name=JOB-int_core" --filter "ancestor=pgvector/pgvector:pg16" -q | head -n1)
-          RD=$(docker ps --filter "name=JOB-int_core" --filter "ancestor=redis:7-alpine" -q | head -n1)
+          echo "=== container landscape (diagnostic for filter scoping) ==="
+          docker ps -a --format '{{.ID}} {{.Image}} -> {{.Names}}'
+          echo "=== end landscape ==="
+          PG=$(docker ps --filter "name=intcore" --filter "ancestor=pgvector/pgvector:pg16" -q | head -n1)
+          RD=$(docker ps --filter "name=intcore" --filter "ancestor=redis:7-alpine" -q | head -n1)
           test -n "$PG" && test -n "$RD"
           PG_IP=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$PG")
           RD_IP=$(docker inspect -f '{{range .NetworkSettings.Networks}}{{.IPAddress}}{{end}}' "$RD")