Replace planning-era names and squash initial schema

Use descriptive test and executable names so implementation surfaces do not depend on journal organization. Consolidate the unreleased migration history into the authoritative initial schema because no deployed database requires an upgrade path.

tests/spec-contracts.sh

@@ -37,12 +37,10 @@ for path in \
   src/Nuthatch/Protocol.hs \
   src/Nuthatch/S3.hs \
   src/Nuthatch/Streaming.hs \
-  sql/001_schema.sql \
-  sql/002_pool_limit_guard.sql \
-  sql/003_recovery_settlement.sql \
+  sql/001_initial_schema.sql \
   deploy/kubernetes/nuthatch.yaml.in \
   tests/kind/lib.sh \
-  tests/kind/wp05-job.yaml.in; do
+  tests/kind/product-matrix-job.yaml.in; do
   test -e "$path"
   grep -F "$path" "$document" >/dev/null
 done
@@ -66,7 +64,7 @@ grep -F '`NUTHATCH_S3_BUCKET`' "$document" >/dev/null
 grep -F 'authority over other buckets' "$document" >/dev/null
 grep -F 'exclusive writer' "$document" >/dev/null
 grep -F "object-store IAM or policy system enforces that scope" "$document" >/dev/null
-grep -F "verifies denial against a different bucket" "$document" >/dev/null
+grep -F "verifies denial against a different" "$document" >/dev/null
 grep -F 'They are not product requirements' "$document" >/dev/null
 
 printf '%s\n' "Durable implementation contracts passed"