Implement "Time Duration" (Persistence) parameter for Rule Conditions

[markoceri]

Summary: Currently, the rule engine triggers an action the exact moment a condition is met (e.g., Value > Threshold). We need to add a time-based factor to define how long a condition must be true before the rule is triggered. This is essential to filter out transient spikes and manage sustained states.

User Story: As a Bitcoin miner operator, I want my miners to run exclusively on surplus energy. I need to set a rule that turns off the miner if the system draws power from the battery or the grid for more than X minutes, ensuring that short-term power spikes (e.g., a 30-second cloud or a boiler starting) don't trigger an immediate shutdown, while sustained deficits do.

Current Behavior:

• Rule: IF Grid_Import_Power > 500W THEN Turn OFF Miner
• Result: The miner is turned off immediately, even if the imported power spikes to 501W for just 1 second and then drops back down.

Desired Behavior:

• The user should be able to add a "Duration" parameter to the condition.
• The rule logic should be: IF Condition IS True FOR [Duration] THEN Action.
• If the condition becomes False before the [Duration] elapses, the timer resets and no action is taken.

Technical Requirements:

• Time Format: The input must accept the format HH:MM:SS (Hours:Minutes:Seconds).
• Trigger Persistence: The system must monitor the condition Value > Threshold and start a timer.
• Action Execution: The action (e.g., Switch OFF Miner) must execute only if the timer reaches the defined HH:MM:SS duration without the condition ever becoming False.
• Instant Reset: If the power draw drops below the threshold even for a second before the timer expires, the timer must reset to zero (to allow for short, acceptable spikes).

Specific Use Cases for Implementation:

• Case A (Battery Discharge Prevention):

  • Metric: Battery Discharge Power.
  • Condition: > 2500W .
  • Persistence: 00:02:00.
  • Action: Smart Plug / Miner: OFF.
  • Goal: Protect battery discharge.

• Case B (Grid Bypass Prevention):

  • Metric: Grid Import Power (Enel).
  • Condition: > 100W.
  • Persistence: 00:05:00.
  • Action: Smart Plug / Miner: OFF.
  • Goal: Minimize electricity costs by ensuring the system doesn't stay connected to the grid longer than necessary during temporary solar gaps.

Benefits:

• System Stability: Prevents "flapping" (continuous switching on and off) during transient cloud coverage or home loads startups.
• Avoid Battery Drain: Mining is only profitable if the energy cost is near zero. Using battery-stored energy (which has a cost per cycle) or grid energy (Enel) makes the operation unprofitable.