glas-harness/workplans/GLAS-WP-0002-observability-and-composability-followups.md

id	title	status	state_hub_workstream_id
GLAS-WP-0002	Observability and composability follow-ups	active	ec0777ff-18ce-4666-abaf-5bd2ff0fd4b9

Four items surfaced as open-but-not-urgent while closing out GLAS-WP-0001/HARNESS-WP-0002/SAND-WP-0013/REIN-OW-WP-0001 — none blocking, all worth doing. Bundled into one workplan since three of the four are glas-harness-scoped and the fourth needs glas-harness coordination either way.

Task: Design composable reins as middleware

Resolve ADR-002 part 2 (deliberately deferred): should monitoring/evaluation/optimization become their own composable reins — middleware that wraps or observes a base rein's dispatch_tool calls — rather than each being a complete alternative harness backend the way rein-aharness/rein-openweights are? At the time of ADR-002 there was only one candidate capability (llm-connect's optional Functional-layer modules) to generalize from; that's still true today, so this task is a design decision first, implementation only if it clearly pays for itself — don't build a Middleware/ReinWrapper abstraction on spec.

Concretely: draft the Middleware shape in docs/harness-contract.md (a chain-of-responsibility around dispatch_tool, distinct from Rein), record the decision as an ADR addendum, and only write code if a real middleware candidate (e.g. a monitoring rein) is scoped alongside it in this same task — not before.

Done (2026-07-26), stays deferred. docs/adr/ADR-004-composable-reins-stay-deferred.md checked this against the two observability additions that landed since ADR-002 (rein-aharness's tool-event stream, glas-harness's own gateway hub event, both HARNESS-WP-0002-T03/GLAS-WP-0002-T03) — both turned out simpler as direct implementations, neither needed a wrapping middleware layer. Still zero real candidates for this shape, so no code written. docs/harness-contract.md now carries the Middleware ABC sketch for future reference, explicitly marked don't-build-yet.

id: GLAS-WP-0002-T01
status: done
priority: medium
state_hub_task_id: "2de6074e-b72b-4eb7-b454-6b849011348c"

Task: Live-verify rein-openweights's OpenBao credential path

The live proof in REIN-OW-WP-0001 used the OPENROUTER_API_KEY env-var short-circuit in rein_openweights/credentials.py — the AppRole/vault path (_acquire_token, resolve_openrouter_api_key's bao kv get branch) is only unit-tested against mocked bao calls, never exercised against a real OpenBao instance. Set up a real (or realistic sandboxed) OpenBao AppRole for rein-openweights — mirroring rein-aharness's existing binky-mail AppRole pattern — and run one live task through it with OPENROUTER_API_KEY unset, confirming the vault round trip actually works end to end. Coordinate with rein-openweights directly; this task's outcome should be recorded in both repos.

Blocked (checked 2026-07-26): bao token lookup from this workstation returns 403 permission denied — no usable vault session here. Provisioning a new AppRole (auth/approle/role/...) and a KV secret for rein-openweights, mirroring rein-aharness's binky-mail lane, needs vault-admin access this session doesn't have. Needs the operator to provision the AppRole (or provide an ambient token with enough privilege) before this can be exercised for real.

id: GLAS-WP-0002-T02
status: wait
priority: medium
state_hub_task_id: "74b4f35b-9cdd-4228-aeed-e0eec458c0bf"

Task: Wire glas-harness's own State Hub reporting from the gateway

Both live runs so far passed --no-hub through to the rein's own CLI — each rein reports its own events, but run_task_through_rein itself never posts a session-level event under glas-harness's own actor attribution. Add a State Hub progress event (and, where meaningful, a token event) emitted by gateway.py around sandbox create/destroy and rein dispatch, distinct from whatever the rein itself reports — this is what makes the gateway's audit trail exist independent of which rein ran, matching the "observable by default" design principle in INTENT.md.

Done (2026-07-26). src/glas_harness/hub.py (mirrors the two reins' hub.py under author: agt-glas-harness); gateway.py's run_task_through_rein gains report_to_hub: bool = True, posting one gateway_run progress event from a finally block — fires on both success and failure (a raised exception still leaves an audit trail), with ok/rein/sandbox_id/sandbox_profile/project/result/ error in the detail. cli.py gained a matching --no-hub flag. Live verified: ran a real task through ReinOpenWeights with hub reporting enabled, confirmed the gateway_run event landed in State Hub with the correct detail (author: agt-glas-harness, real commit sha in result). Token events skipped for now — ToolResult doesn't carry a uniform token count across reins, and it wasn't worth forcing one just for this task. 4 new tests (success/failure/disabled paths), 23/23 passing.

id: GLAS-WP-0002-T03
status: done
priority: high
state_hub_task_id: "76462175-4a85-4552-a6c1-af871cc1b8d3"

Task: First slice of glas-harness's remaining charter pillars

INTENT.md describes four pillars: (1) unified harness API, (2) profile catalog, (3) extension platform (channels, memory/skills), (4) observability/governance. Only slices of (1), (2), and (4) exist today (contract, two harness profiles, the per-tool audit stream). Channels and memory/skills are entirely unbuilt. This task is not "build all of it" — it's picking and scoping the smallest real slice worth doing next (most likely candidate: a CLI channel extension, since one already exists implicitly via glas_harness.cli; formalizing it as the first of possibly several channel extensions clarifies the channel contract before a second channel is attempted). Produce a scoped follow-up workplan (GLAS-WP-0003 or later) rather than expanding this task indefinitely.

Done (2026-07-26). Scoped as workplans/GLAS-WP-0003-first-channel-extension.md: formalize the CLI as the first Channel extension (contract + refactor + tests + second-channel documentation), explicitly not building a second channel now — same discipline as ADR-002/ADR-004.

id: GLAS-WP-0002-T04
status: done
priority: low
state_hub_task_id: "98d4be61-5923-4445-b1f8-5135ada13ad9"