# Host/runtime boundary release handoff

This document is the short release-gate handoff for blocked LinuxCNC runtime
families in the WASM/browser port. It summarizes current host readiness,
promotion blockers, opt-in probe dispatch state, native evidence acceptance, and
the rule that blocked runtime families remain blocked on this host.

Detailed references:

- `docs/full-process-boundary-design.md`
- `docs/sim-configs-coverage-matrix.md`
- `docs/sim-configs-coverage-handoff.md`
- `tests/wasm/node/verify_sim_configs_inventory_wasm.mjs`

## Current blocked runtime families

The current hard blocked families are:

- `L4-USER-M-PROCESS`
- `L4-TOOL-DB`
- `L4-PYTHON-REMAP`

Current host readiness is summarized by:

- `build/wasm/sim-configs-inventory/runtime-boundary-host-readiness-rollup.tsv`
- `build/wasm/sim-configs-inventory/runtime-boundary-promotion-blockers.tsv`
- `build/wasm/sim-configs-inventory/runtime-boundary-opt-in-probe-dispatch-rollup.tsv`
- `build/wasm/sim-configs-inventory/runtime-boundary-native-evidence-acceptance-gate.tsv`
- `build/wasm/sim-configs-inventory/runtime-boundary-opt-in-probe-skip-evidence-rollup.tsv`
- `build/wasm/sim-configs-inventory/blocked-runtime-promotion-lock.tsv`

Current rollup state:

```text
host_readiness_status=host_blocked_for_all_opt_in_native_probes
family_count=3
host_ready_family_count=0
host_blocked_family_count=3
blocked_families=L4-PYTHON-REMAP,L4-TOOL-DB,L4-USER-M-PROCESS
missing_host_requirements=halcmd,halrun,linuxcnc,milltask
ready_opt_in_command_count=0
execution_enabled=0
promotion_allowed=0
```

## Promotion blockers

Each blocked family currently has `promotion_ready=0`, `execution_enabled=0`,
and `promotion_allowed=0`.

The current blocker keys are:

```text
host_runtime_requirements_missing
native_runtime_probe_not_passed
native_pass_evidence_not_ready
node_inventory_gate_not_complete
browser_smoke_gate_not_complete
promotion_lock_active
manual_lock_update_required
```

The next unblock action is to provide the missing host runtime requirements for
the relevant family. Providing host commands is not enough to promote a row; it
only allows the next opt-in probe gate to be considered.

## Opt-in probe dispatch

The current dispatch rollup is:

```text
dispatch_status=dispatch_blocked_for_all_opt_in_native_probes
probe_count=3
dispatch_allowed_count=0
dispatch_blocked_count=3
dispatch_actions=skip_missing_host_requirements
execution_enabled=0
promotion_allowed=0
```

These commands remain blocked on this host:

```bash
ENABLE_MILLTURN_USER_M_RUNTIME_PROBE=1 bash wasm-port/tests/native/probe_millturn_user_m_runtime.sh
ENABLE_TOOL_DB_RUNTIME_PROBE=1 bash wasm-port/tests/native/probe_tool_db_runtime.sh
ENABLE_PYTHON_REMAP_RUNTIME_PROBE=1 bash wasm-port/tests/native/probe_python_remap_runtime.sh
```

Do not run them unless the generated preflight, family readiness, dispatch
plan, and dispatch rollup all permit the specific family.

## Native evidence acceptance

`runtime-boundary-native-evidence-acceptance-gate.tsv` currently records:

- `current_probe_status=skipped_missing_host_runtime`
- `native_evidence_status=pending_until_native_pass`
- `skip_evidence_status=skip_valid_until_host_requirements_available`
- `node_gate_status=blocked_until_native_pass_evidence`
- `browser_gate_status=blocked_until_node_gate_complete`
- `native_evidence_gate=blocked_until_host_requirements_available`
- `evidence_acceptance_allowed=0`

A skipped opt-in probe is not a native pass. It only proves that this host is
correctly blocked until the required LinuxCNC runtime commands are available.

## Release gate

Use this gate when touching blocked runtime family reports, host readiness, or
promotion policy:

```bash
git diff --check
wasm-port/tools/verify_vendor_sync.sh
wasm-port/tools/verify_no_standalone_cnc_semantics.sh
SKIP_INTERP_BUILD=1 wasm-port/tests/wasm/node/verify_sim_configs_inventory_wasm.sh
wasm-port/tests/docs/node/verify_host_runtime_boundary_docs.sh
wasm-port/tests/docs/node/verify_sim_configs_coverage_docs.sh
wasm-port/tests/host/verify_host_smokes.sh
```

The host aggregate must include:

```text
sim_configs_wasm_node_inventory=ok
host_runtime_boundary_docs_node_smoke=ok
sim_configs_coverage_docs_node_smoke=ok
host_wasm_opfs_browser_smokes=ok
```

## Promotion rule

No blocked family may be promoted until all of these are true:

1. Host readiness allows the family-specific opt-in probe.
2. The explicit opt-in probe passes natively with LinuxCNC-owned runtime
   behavior.
3. Native evidence acceptance allows the pass evidence.
4. Node/WASM inventory proof passes after native evidence.
5. Browser/host proof passes after Node/WASM proof.
6. `verify_no_standalone_cnc_semantics.sh` still passes.
7. `blocked-runtime-promotion-lock.tsv`, docs, and tracker records are updated
   deliberately.

Until then, `L4-USER-M-PROCESS`, `L4-TOOL-DB`, and `L4-PYTHON-REMAP` remain
blocked, inventory-only runtime families.