The CLI now submits gateway-compatible first/final-frame payloads, so the server accepts the same public SkillHub schema fields, normalizes them to images[0]/images[1] with metadata.action=firstTailGenerate, and routes multi-frame Vidu-style submissions through the unified video generations endpoint.
Constraint: Align server behavior with popiartcli v0.3.21 start/end-frame payloads
Constraint: Keep existing single-image image2video and MiniMax paths compatible
Rejected: Hardcode only the new fields in server seed skills | loading SkillHub input_schema.json keeps the remote catalog as the source of truth
Confidence: medium
Scope-risk: moderate
Directive: Preserve first-frame then final-frame ordering when changing video reference handling
Tested: go test ./...
Tested: make build
Tested: GOOS=linux GOARCH=amd64 go build -o dist/popiartserver-linux-amd64 ./cmd/popiartserver
Not-tested: Live test-server deployment; current SSH key is rejected by 101.42.99.35
Artifact and media metadata were previously reconstructed from job result
refs and JSON sidecar files. This change regularizes metadata into SQLite,
keeps filesystem blobs in place, and preserves backward compatibility via
lazy fallback and backfill from existing job refs and JSON metadata.
Constraint: Blob storage remains on the local filesystem in this phase
Rejected: Migrate blobs into SQLite | larger scope and worse operational profile for current media sizes
Rejected: Hard cutover without fallback | unsafe for historical data already on the test server
Confidence: medium
Scope-risk: moderate
Directive: Treat SQLite as the metadata source of truth; JSON sidecars are compatibility fallback only
Tested: go test ./...; deployed to test server 101.42.99.35; verified /v1/artifacts, /v1/artifacts/:id, signed media URL 200, unsigned content 401
Not-tested: Full historical backfill sweep over all existing artifact rows under production-sized data volume
wtgoku
张正强