docs: migrate worker implementation plans

README.md

@@ -57,7 +57,12 @@ Published images use these tags:
 
 - `sha-<12-character-commit>` for every push;
 - `latest` for `master`;
-- the exact `v*` tag for releases.
+- the `v*` release ref, with Docker-invalid characters replaced by `-`.
+
+The Gitea workflow reads `HARBOR_REGISTRY`, `HARBOR_USER`, and
+`HARBOR_PASSWORD`. `HARBOR_REGISTRY` may be a host such as `reg.rsxx.ru` or an
+HTTP(S) URL; the workflow strips the scheme and trailing slash before composing
+Docker image references. The Harbor project is appended separately as `rsmon`.
 
 ## systemd
 
@@ -113,9 +118,17 @@ has only `CAP_NET_RAW` for ICMP checks.
 | `WORKER_CLUSTER_PEERS` | no | none | Comma-separated `node@host:port` peers. |
 | `WORKER_CLUSTER_DATA_DIR` | with cluster | none | Persistent Raft state directory. |
 
-The public liveness endpoint is `GET /healthz`. `rsmon-worker health` checks the
-configured control plane's `/up` endpoint and is suitable for container health
-checks.
+The public liveness endpoint is `GET /healthz`; the image probes it with
+`rsmon-worker liveness`. `rsmon-worker health` separately checks the configured
+control plane's `/up` endpoint for connectivity diagnostics.
+
+## Implementation Documentation
+
+Worker architecture, protocol, inventory, private-worker isolation, network
+diagnostics, web console, and critical-cluster work are specified in
+[`docs/README.md`](docs/README.md). These documents replace worker-owned planning
+material formerly kept in the RSMon control-plane repository and include a
+source migration ledger.
 
 ## Security