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pikasTech-HWLAB/docs/m3-hardware-loop.md
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# M3 Hardware Trusted Loop Local Contract
This contract smoke proves the local M3 wiring path for:
```text
box-simu-1 DO1 -> box-simu-2 DI1
```
The fixture is `fixtures/mvp/m3-hardware-loop/topology.json`. It contains two
`hwlab-box-simu` resources, two `hwlab-gateway-simu` sessions, and one
`hwlab-patch-panel` status object. The active wiring config has one exclusive
connection from `res_boxsimu_1:DO1` to `res_boxsimu_2:DI1`.
Run the smoke locally:
```sh
node scripts/m3-hardware-loop-smoke.mjs
```
## What It Checks
- DEV-only topology with two boxes, two gateways, and one active patch panel.
- Patch-panel-only propagation; box local loopback is not accepted as a
cross-device substitute.
- Direct local call into the existing patch-panel model routes
`box-simu-1 DO1` to `box-simu-2 DI1`.
- An unwired local signal does not cross devices.
- The expected audit event includes the L0 audit fields:
`auditId`, `traceId`, `actorType`, `actorId`, `action`, `targetType`,
`targetId`, `serviceId`, `environment`, and `occurredAt`, plus project,
gateway session, operation, outcome, and metadata fields.
## Boundary
This is a local contract smoke only. It does not deploy DEV or PROD services,
does not connect to real hardware, does not read secrets or tokens, and does
not write `audit_events` rows to a database. The audit event in the fixture is
an expected record shape for the future real flow.
The later real DEV M3 path must replace the in-process direct call with live
service boundaries: cloud request validation, gateway session ownership,
patch-panel state application, real or simulator box observation, persisted
audit events, and evidence records. That future work must preserve the same
wiring contract and must keep routing decisions under `hwlab-patch-panel`
ownership instead of mutating another box directly.
## L2 Local Runtime Smoke
Issue 53 adds a runnable localhost-only L2 simulator contract:
```sh
npm run l2:smoke
```
The smoke starts two `hwlab-box-simu` instances (`box-a`, `box-b`) and two
`hwlab-gateway-simu` instances (`gateway-a`, `gateway-b`) on ephemeral
localhost ports. It verifies:
- box ports for `AI1`, `AO1`, `DI1`, `DO1`, and `FREQ1`;
- internal port API writes for patch-panel-owned delivery;
- gateway register, heartbeat, capability report, and invoke forwarding;
- multi-instance identity separation for `box-a`/`box-b` and
`gateway-a`/`gateway-b`;
- HWLAB JSON-RPC error codes for missing gateway registration and unavailable
capabilities;
- returned audit and evidence object shapes.
This smoke is still not a DEV deploy or PROD deploy. It proves the minimum
runtime surface that later M3/M5 live checks can call. Cross-device propagation
is not implemented as box-simu loopback; the only accepted cross-device owner
remains `hwlab-patch-panel`, which calls the box internal port API.
## DEV Runtime Smoke
Use this command only for the DEV simulator runtime:
```sh
node scripts/dev-m3-hardware-loop-smoke.mjs --live --confirm-dev --confirmed-non-production
```
The smoke writes `reports/dev-gate/dev-m3-hardware-loop.json`. It first checks
the frozen DEV endpoint, `http://74.48.78.17:16667`, and stops at the first
critical blocker from `docs/dev-acceptance-matrix.md`. When DEV ingress is not
observable, the report is `blocked` and the script does not run the live
`do.write true -> di.read true` operation.
If DEV ingress is reachable, the script requires explicit direct DEV simulator
targets through these environment variables:
```text
HWLAB_DEV_BOX_SIMU_1_URL
HWLAB_DEV_BOX_SIMU_2_URL
HWLAB_DEV_GATEWAY_SIMU_1_URL
HWLAB_DEV_GATEWAY_SIMU_2_URL
HWLAB_DEV_PATCH_PANEL_URL
```
Those targets must be HWLAB DEV simulator services, not UniDesk substitutes.
The script then checks two box simulators, two gateway simulators, active
patch-panel wiring for `box-simu-1 DO1 -> box-simu-2 DI1`, a live direct call
that reads `DI1=true`, and returned audit/evidence identifiers. Fixture-backed
local M3 output is never accepted as live DEV evidence.
## Read-Only Continuation Evidence
When DEV ingress is blocked, continuation work may still record read-only
evidence. The smoke report includes a static comparison of
`deploy/k8s/base/workloads.yaml` against the M3 requirement for two
`hwlab-box-simu` instances and two `hwlab-gateway-simu` instances. This is not
live runtime proof. The checked-in DEV manifests are source-ready only when
`node scripts/validate-dev-m3-cardinality.mjs` passes: two `hwlab-box-simu`
replicas with `boxsimu_1,boxsimu_2`, two `hwlab-gateway-simu` replicas with
`res_boxsimu_1,res_boxsimu_2`, and one `hwlab-patch-panel`. If the live runtime
still lacks the required simulator cardinality, the fix is a separate
authorized DEV deploy or runtime task, not a mutation inside the M3 evidence
collection task.