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feat(alarms): HiLo trigger type with per-band level, hysteresis, messages, overrides

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Adds a new HiLo alarm trigger type with four configurable setpoints
(LoLo / Lo / Hi / HiHi). Each setpoint carries an optional priority,
deadband (for hysteresis), and operator message. The site runtime emits
AlarmStateChanged with an AlarmLevel field so consumers can differentiate
warning vs critical bands.

Plumbing:
  - new AlarmLevel enum + AlarmStateChanged.Level/Message init properties
  - AlarmTriggerEditor (Blazor) gets a HiLo render with severity tinting
  - AlarmTriggerConfigCodec extracted from the editor for testability
  - sitestream.proto carries level + message over gRPC
  - SemanticValidator enforces numeric attribute, setpoint ordering,
    non-negative deadband
  - on-trigger scripts get an Alarm global (Name/Level/Priority/Message)
    so notification routing can branch by severity
  - per-instance InstanceAlarmOverride entity + EF migration + flattening
    step + CLI commands; HiLo overrides merge setpoint-by-setpoint, binary
    types whole-replace
  - DebugView shows a Level badge + per-band message tooltip
  - App.razor auto-reloads on permanent Blazor circuit failure
  - docker/regen-proto.sh automates the proto regen workflow (the linux/arm64
    protoc segfault means generated files are checked in for now)
This commit is contained in:
Joseph Doherty
2026-05-13 03:23:32 -04:00
parent 783da8e21a
commit 751248feb6
46 changed files with 4693 additions and 204 deletions
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3
docs/requirements/Component-Commons.md
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@@ -32,7 +32,8 @@ Commons must define shared primitive and utility types used across multiple comp
- **`InstanceState` enum**: Enabled, Disabled.
- **`DeploymentStatus` enum**: Pending, InProgress, Success, Failed.
- **`AlarmState` enum**: Active, Normal.
- **`AlarmTriggerType` enum**: ValueMatch, RangeViolation, RateOfChange.
- **`AlarmLevel` enum**: None, Low, LowLow, High, HighHigh. Severity level for an active alarm; always `None` for binary trigger types, set by `HiLo` triggers.
- **`AlarmTriggerType` enum**: ValueMatch, RangeViolation, RateOfChange, HiLo.
- **`ConnectionHealth` enum**: Connected, Disconnected, Connecting, Error.
Types defined here must be immutable and thread-safe.