failure-classifierlisted

> **AI-consumed reference.** Optimized for Claude to read during execution. > Human-readable explanation: see [docs/architecture/HIERARCHICAL_PLANNING.md](../../../docs/architecture/HIERARCHICAL_PLANNING.md) > or [docs/getting-started/](../../../docs/getting-started/) depending on topic. # Failure Classifier **STATUS — v3.7.0-alpha.2 (Milestone B).** Classifies T4 task failures so master-planner can decide: retry, self-heal, replan, or escalate. ## Failure classes | Class | Name | Trigger | Recommended action | |-------|------|---------|---------------------| | **F1** | transient | Network timeout, file lock, ECONNRESET, rate limit, flaky CI | Retry with backoff (max 3) | | **F2** | local-logic | Test fails, type error, lint error, assertion mismatch | Self-heal-propose (Milestone E) or single retry | | **F3** | local-design | Story acceptance unreachable as designed; signals: same test fails after 2 fixes, or output drift > 50% from plan | Replan story (re-decompose T3) | | **F4** | story-level | Sibling tasks broken, dependency contract violated, deviation_score ≥ 0.7 | Replan feature (re-decompose T2) | | **F5** | architectural | Cross-feature impact, mission-level constraint violated | Freeze + escalate to user | **F6** — conflict-induced (added in v3.7.0-beta.2): when `cause: conflict` is set on the failure signal OR `conflict_id` is non-null, classifier returns class F6 with confidence 0.95 and routes to `conflict-arbiter` agent (NOT `replanner`). The arbiter app