test(ingest): Add integration test for INGEST_MODEL logging

tests/run-ingest.bats

@@ -91,3 +91,44 @@ EOF
   # listed by slug under the Conflicts section
   grep -q 'queries/conflict-pricing-2026-06-03' wiki/index.md
 }
+
+@test "run-ingest: records INGEST_MODEL in the log (manifest carries no model field)" {
+  command -v jq >/dev/null 2>&1 || skip "jq not installed"
+
+  G="$(make_fixture_genome)"; cd "$G"
+
+  cat > wiki/sources/test-source.md <<'EOF'
+---
+title: "Test Source"
+type: source
+domain: genome-test
+tags: [t]
+maturity: draft
+last_updated: 2026-06-04
+private: false
+---
+body
+EOF
+
+  # New contract: NO "model" field — the orchestrator supplies it via INGEST_MODEL.
+  cat > .ingest-manifest.json <<'EOF'
+{
+  "raw_source": "raw/articles/test.md",
+  "reasoning": "Ingested the test source.",
+  "pr_summary": "Ingest of test: 1 source page.",
+  "contradictions": "None",
+  "pages": [
+    {"path": "wiki/sources/test-source.md", "summary": "A smoke-test source.", "maturity": "draft", "status": "created"}
+  ]
+}
+EOF
+
+  export KG_LIB_DIR="$LIB_DIR"
+  export FORGEJO_URL="http://forgejo.local" FORGEJO_USER="u" FORGEJO_TOKEN="t" DRY_RUN=1
+  export INGEST_MODEL="qwen-test-tag"
+
+  run bash "$SKILL_SCRIPTS/run-ingest.sh" genome-test
+  [ "$status" -eq 0 ]
+  [[ "$output" == *'"status":"ok"'* ]]
+  grep -q 'qwen-test-tag' wiki/log.md
+}