{"id":"pipeline-processing-maximizes-forward-progress","text":"Processing pipelines are designed to maximize forward progress and never backtrack: the video DAG continues independent branches when siblings fail (partial success over total failure), and stream processing makes finalization irreversible (no retraction of emitted results) — ensuring that completed work is never undone.","truth_value":"IN","source":"","source_url":"","source_hash":"","justifications":[{"type":"SL","antecedents":["video-pipeline-maximizes-useful-work-on-failure","watermark-finalization-is-irreversible"],"outlist":[],"label":"Video pipeline (branch-independent failure containment) and stream processing (irreversible finalization) both embody the same forward-only processing principle"}],"dependents":["forward-only-design-prevents-regression-and-maximizes-progress"],"metadata":{"last_reviewed":"2026-06-05T18:21:49","review_result":"pass"},"created_at":"","updated_at":"","reviewed_at":"","verified_at":"","retracted_at":"","explanation":{"steps":[{"node":"pipeline-processing-maximizes-forward-progress","truth_value":"IN","reason":"SL justification valid","antecedents":["video-pipeline-maximizes-useful-work-on-failure","watermark-finalization-is-irreversible"],"label":"Video pipeline (branch-independent failure containment) and stream processing (irreversible finalization) both embody the same forward-only processing principle"},{"node":"video-pipeline-maximizes-useful-work-on-failure","truth_value":"IN","reason":"SL justification valid","antecedents":["dag-failure-cascade","youtube-pipeline-dag-structure"],"label":"DAG topology + selective cascade means a thumbnail failure doesn't block a successful transcode"},{"node":"dag-failure-cascade","truth_value":"IN","reason":"premise"},{"node":"youtube-pipeline-dag-structure","truth_value":"IN","reason":"premise"},{"node":"watermark-finalization-is-irreversible","truth_value":"IN","reason":"SL justification valid","antecedents":["watermark-drives-finalization","window-lifecycle-one-directional","no-window-merging-or-retraction"],"label":"Three properties compose into hard irreversibility: watermark-only trigger + one-way lifecycle + no retraction"},{"node":"watermark-drives-finalization","truth_value":"IN","reason":"premise"},{"node":"window-lifecycle-one-directional","truth_value":"IN","reason":"premise"},{"node":"no-window-merging-or-retraction","truth_value":"IN","reason":"premise"}]}}