recipe-maintainer: public snapshot (secrets + deployment plans removed, single commit)

Sanitized single-commit public mirror of recipe-maintainer.
- Removed test-ssh/.testenv (live creds); added test-ssh/.testenv.example placeholders.
- Removed plans/ and planned-updates/ (deployment-planning docs) so no client/
  deployment domains appear in the public repo.
- All other secret stores were already gitignored.
- docs.coopcloud.tech retained as a submodule (public upstream).

recipe-info/mumble/test.md

@@ -0,0 +1,26 @@
+# Mumble Tests
+
+## Target
+
+- **Server:** `<SERVER>:64738` (mumble protocol, TCP+UDP)
+- **Web client:** `https://mumble.<DOMAIN_SUFFIX>` (requires `compose.mumbleweb.yml` overlay)
+
+## Automated Checks
+
+Run the scripts in `tests/` to perform automated testing:
+
+### Core (always available)
+
+- `health_check.py` — Confirms the mumble server is listening on port 64738 via TCP connection test.
+- `mumble_connect.py` — Full protocol integration test: connects via TLS, authenticates, verifies server version, channel list, welcome text, and ServerSync handshake. Zero external dependencies.
+
+### Web client (requires `compose.mumbleweb.yml` overlay)
+
+- `web_client.py` — Verifies the web client is reachable via HTTPS, returns HTTP 200, and serves the Mumble Web UI with expected page content.
+
+## Manual Verification
+
+1. Connect with a Mumble desktop client to `<SERVER>` port 64738.
+2. Confirm you can join the server and see the welcome message.
+3. Open `https://mumble.<DOMAIN_SUFFIX>` in a browser and confirm the Mumble Web UI loads.
+4. Check `abra app ps mumble.<DOMAIN_SUFFIX>` shows healthy replicas for both `app` and `web` services.