feat(setup): skip redundant operator-pack prompts and add strict-mode docs/tests

CHANGELOG.md

@@ -6,6 +6,16 @@ All notable changes to Flynn are documented in this file.
 
 ### Added
 
+- **Operator Setup Pack + Strict Doctor Mode** -- `flynn setup` Automation now
+  supports an Operator Pack that preconfigures backup scheduling/notifications,
+  heartbeat alerts, daily briefing, and MinIO sync with configurable output
+  channel/peer routing. `flynn doctor --strict` now treats warnings as failures
+  for CI and preflight gating workflows.
+
+- **Heartbeat Notification Cooldown Config** -- `automation.heartbeat.notify_cooldown`
+  adds throttling for repeated failure/recovery alerts (default `30m`) to reduce
+  noisy notifications during unstable periods.
+
 - **Native Audio Support** -- Smart routing for voice messages: audio-capable models
   (Gemini, OpenAI, GitHub) receive raw audio directly via `AudioSource` content parts;
   non-audio models (Anthropic, Bedrock, Ollama, llama.cpp) get Whisper transcription
@@ -130,6 +140,9 @@ All notable changes to Flynn are documented in this file.
 
 ### Fixed
 
+- **Heartbeat Cooldown Parse Resilience** -- Invalid `automation.heartbeat.notify_cooldown`
+  values no longer throw during alerting; monitor falls back to `30m` and logs a warning.
+
 - **Voice Message Failure Handling** -- Telegram voice/audio messages now send user feedback on
   download failures instead of silently dropping. When audio transcription is not configured for
   non-audio-capable models, a graceful error message is sent to the user instead of