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cog-ha-matter (ADR-116 P4): MdnsService -> mdns-sd ServiceInfo bridge

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Pure conversion from our wire-format `MdnsService` to the
`mdns_sd::ServiceInfo` shape the responder daemon consumes. No
socket binding, no daemon registration yet — that lands next iter
as a `runtime::spawn_mdns_responder(info)` JoinHandle returning
helper, same shape as `runtime::spawn_publisher`.

  * `MdnsService::to_service_info(hostname, ipv4) ->
        Result<ServiceInfo, mdns_sd::Error>`
  * `mdns-sd = "0.11"` added — aligned with the workspace pin from
    wifi-densepose-desktop so the lockfile doesn't fork dalek-like
    surfaces.

3 new tests:

  * to_service_info_carries_service_type_and_port — locks that
    `_ruview-ha._tcp` (with or without mdns-sd's trailing-dot
    normalisation) and the control port round-trip through the
    conversion
  * to_service_info_propagates_txt_records — every locked TXT
    key from iter 4 (cog_id, mqtt_port, privacy, proto, node_id,
    cog_version) reachable via `get_property_val_str` on the
    converted ServiceInfo
  * to_service_info_does_not_silently_drop_caller_hostname —
    locks the caller-side responsibility for the .local. suffix.
    mdns-sd 0.11 accepts bare hostnames (verified empirically by
    initial test expecting it to reject — it didn't), so the
    wrapper layer must do the trailing-dot dance. Documenting
    that via a named test catches future bumps where the lib
    starts mutating the value.

63/63 cog tests green (60 → 63).

ADR-116 P4 now ⁶⁄₇: ✅ mDNS record-builder, ✅ chain, ✅ JSONL, ✅
file persistence, ✅ Ed25519 signing, ✅ ServiceInfo conversion;
⏳ daemon register + embedded broker.

Co-Authored-By: claude-flow <ruv@ruv.net>
This commit is contained in:
ruv
2026-05-23 18:28:10 -04:00
parent bb154d4e78
commit 34eced880f
4 changed files with 83 additions and 1 deletions
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docs/adr/ADR-116-cog-ha-matter-seed.md
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@@ -95,7 +95,7 @@ Ranked by build cost × user impact:
| **P1** | Research dossier ([`docs/research/ADR-116-ha-matter-cog-research.md`](../research/ADR-116-ha-matter-cog-research.md)) | ✅ **done** — 8 sections, 30+ citations, v1 scope ranked |
| **P2** | Cog crate scaffold (`v2/crates/cog-ha-matter/`) — Cargo.toml + `src/{lib,main,manifest}.rs`, workspace member, CLI args, `--print-manifest` flag, 2 manifest unit tests | ✅ **done** — `cargo check` + `cargo test` green |
| **P3** | Wrap existing ADR-115 MQTT publisher as cog entry point | ✅ **wiring done** — `main.rs` boots ADR-115's `publisher::spawn` via `runtime::spawn_publisher` thin wrapper, holds a long-lived `broadcast::Sender<VitalsSnapshot>`, awaits Ctrl-C. Live-handle test green without a broker. Next (P3.5): subscribe to sensing-server `/v1/snapshot` WS and republish into the channel. |
| **P4** | Seed-native enhancements (embedded broker, mDNS, witness) | in progress — (a) mDNS record-builder ✅. (b) Witness hash-chain ✅. (c) JSONL line serializer ✅. (d) File persistence + chain-level verify ✅. **(e) Ed25519 signing layer ✅** — `witness_signing::{sign_event, verify_signature, signature_to_hex, signature_from_hex}` signs the same canonical bytes the hash chain commits to, so a single attestation covers `kind + payload + ts + seq + prev_hash`. Tests cover wrong-key, tampered-event, wrong-prev_hash, hex round-trip, determinism. (f) Responder (mdns-sd binding) + embedded rumqttd still pending — these are the remaining I/O-side pieces before P4 flips ✅. |
| **P4** | Seed-native enhancements (embedded broker, mDNS, witness) | in progress — (a) mDNS record-builder ✅. (b) Witness hash-chain ✅. (c) JSONL line serializer ✅. (d) File persistence + chain-level verify ✅. (e) Ed25519 signing layer ✅. **(f) mDNS ServiceInfo conversion ✅** — `MdnsService::to_service_info(hostname, ipv4)` produces the `mdns_sd::ServiceInfo` the responder daemon consumes; 3 tests verify service-type, port, TXT propagation. `mdns-sd = 0.11` aligned with the workspace's existing pin from `wifi-densepose-desktop`. (g) `ServiceDaemon::register` spawn + embedded rumqttd still pending — the remaining live-I/O pieces before P4 flips ✅. |
| **P5** | RuVector-backed threshold learning (SONA adaptation) | pending |
| **P6** | Multi-Seed federation (cross-Seed dedup + witness) | pending |
| **P7** | Matter Bridge mode (depends on matter-rs / esp-matter readiness) | pending |