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0001-observability-contract.md

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id ADR-0001
title ruflo-observability plugin contract — pinning, namespace-routing fix, smoke as contract
status Accepted
date 2026-05-04
updated 2026-05-09
authors
reviewer (Claude Code)
tags
plugin
observability
tracing
metrics
namespace
smoke-test

Context

ruflo-observability (v0.1.0) — structured logging, distributed tracing, metrics with anomaly detection. 1 agent + 2 skills + 1 command.

Same namespace-routing bug class as cost-tracker / market-data / migrations: both skills called agentdb_hierarchical-recall with namespace observability argument, but agentdb_hierarchical-* routes by tier (working|episodic|semantic) and ignores namespace strings.

Decision

  1. Functional fix: switch namespaced reads from agentdb_hierarchical-recall to memory_search / memory_list (namespace-routed) in both skills. Document the dual pattern-store path in observe-metrics.
  2. Add this ADR (Proposed).
  3. README augment: Compatibility (pin v3.6); Namespace coordination (claims observability); Verification + Architecture Decisions sections.
  4. Bump 0.1.0 → 0.2.0. Keywords add mcp, distributed-tracing, anomaly-detection.
  5. scripts/smoke.sh — 10 structural checks: version + keywords; both skills + agent + command; skills use memory_* not hierarchical-* with namespace; v3.6 pin; namespace coordination; ADR Proposed; no wildcard tools.

Consequences

Positive: real bugs fixed (silent ignored-namespace reads). Plugin joins the cadence.

Negative: none — anyone scripting against the broken tool calls was already silently failing.

Verification

bash plugins/ruflo-observability/scripts/smoke.sh
# Expected: "10 passed, 0 failed"

Related

  • plugins/ruflo-cost-tracker/docs/adrs/0001-cost-tracker-contract.md — same bug class
  • plugins/ruflo-market-data/docs/adrs/0001-market-data-contract.md — same bug class
  • plugins/ruflo-migrations/docs/adrs/0001-migrations-contract.md — same bug class
  • plugins/ruflo-agentdb/docs/adrs/0001-agentdb-optimization.md — namespace convention

Implementation status

Plugin version v0.2.0 shipped and listed in marketplace.json. Source exists at plugins/ruflo-observability/. Contract elements implemented: namespace-routing bug fixed in both skills (switched agentdb_hierarchical-recall with namespace arg to memory_search/memory_list); dual pattern-store path documented in observe-metrics; smoke-as-contract gate defined in scripts/smoke.sh.