docs: REPORT + CONTEXT + CLAUDE logging rule for v0.83.0 (deployed felhom-pve)

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_01PSK5g6qYLknKj8u3QAFEr6

CLAUDE.md

@@ -104,6 +104,9 @@ All shippable work commits **directly to `main`**; `main` equals what is deploye
   guess** when you'd otherwise invent input/output.
 - Update `REUSE.md` if you added/changed/deprecated a shared helper or pattern (same commit).
 - Testing doctrine (non-hollow tests, red-proofs, seams): use the `felhom-testing` skill.
+- **Logging**: the slog logger fans out to journald (configured level) + the always-DEBUG `applog.Ring`
+  (remote pulls) — English, keys-never-values, durations on outcomes; full rules in
+  `felhom.eu/documentation/runbooks/logging-conventions.md`.
 
 ### Live validation