Establish ecosystem reuse and monthly-supervised improvement loop

Assistant: codex
Assistant-Model: gpt-6-astra
Assistant-Session: 01a0e241-8285-7a63-8c0c-51c9cb824dc3

templates/PatternUseReceipt.yaml

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+# Draft contract for FEP-WP-0008-T02; not an enabled collector or real-use evidence.
+# The implementation must turn this into a strict versioned schema and validate it.
+# Consumer produces immutable events; collector supplies independently verified origin.
+schema_version: 1
+use_id: "<consumer-repo>:<task-id>:<decision-id>"
+event_id: "<unique-event-id>"
+previous_event_sha256: null # Follow-up must name the prior event digest; never overwrite.
+recorded_at: "<RFC3339 timestamp>"
+kind: synthetic # real only for an actual consumer decision; never change a fixture to real.
+consumer:
+  repo: "<repo slug>"
+  revision: "<full commit SHA>"
+  task_ref: "<repo-relative work record path and stable task ID>"
+  producer: "<agent or person identity>"
+  run_ref: "<execution receipt locator>"
+reference:
+  version: "0.1"
+  packaging_revision: "<full commit SHA containing reference files>"
+  manifest_sha256: "<sha256 of consumed manifest>"
+context:
+  problem: "<short frontend decision>"
+  constraints: []
+  considered: [] # Stable CAND IDs; empty is valid for no match.
+  selected: []
+decision:
+  action: no-match # applied | adapted | rejected | no-match
+  reason: "<why the guidance was used, changed or rejected>"
+  artifact_ref: null # Pinned consumer decision/implementation diff when available.
+outcome:
+  value: unknown # helpful | harmful | mixed | no-effect | unknown
+  basis: consumer-report # consumer-report | model-assessment | observed-result
+  stage: decision # decision | implementation | test | operation
+  expectation: "<observable criterion, recorded before assessing the result>"
+  observation: null
+  evidence_refs: [] # Authorized artifact/test locators; no pasted private code or secrets.
+  next_observation: "<linked test/review/outcome condition, or null if complete>"
+  measured_decision_minutes: null
+  measured_rework_minutes: null
+  comparison_ref: null # Needed to claim improvement over a baseline.
+# Collector records origin repo/ref/file digest and validation result separately;
+# it must not trust producer-written origin verification or rating as proof of benefit.