docs: reframe project langauge for small C&I sites

[jdhoffa]

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[Copilot]

Pull request overview

Reframes project documentation and inline comments from a residential/neighborhood framing toward “small C&I site-scale” VPP simulations.

Changes:

• Updates README language and device list to emphasize on-site assets and generic flexible electric loads.
• Broadens inline documentation in the controller and EV charger model to be less residential/EV-specific.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
src/sim/controller.rs	Expands doc comment examples for flexible-load capping to include non-EV load types.
src/devices/ev_charger.rs	Rewords module/type documentation to position the model as a generic session-based flexible electric load.
README.md	Updates project description and feature bullets to target small C&I site-scale use cases and broad flexible-load examples.

Comments suppressed due to low confidence (1)

src/devices/ev_charger.rs:16

• The doc comment now describes this as a generic flexible electric load model, but the public type/file/module name is still EvCharger and the API fields are EV-specific (e.g., max_charge_kw, session arrival/deadline). This can be confusing for users reading generated docs; consider either keeping the wording EV-focused, or explicitly stating that EvCharger is reused as a generic “session-based flexible load” model and pointing to any intended mapping to non-EV loads.

/// A flexible electric load model using EV-style charging sessions.
///
/// Each simulated day, this model samples one charging session with:
/// - random arrival time
/// - random dwell duration (which sets deadline)
/// - random required energy in kWh

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[Copilot]

The new "small C&I site-scale" framing introduces an acronym (C&I) that isn’t defined anywhere else in the repo, and the rest of the README (e.g., the example scenario field houses and the sample output referencing EvCharger) still reads like a residential/house-based demo. Consider expanding the acronym on first use (e.g., “commercial & industrial (C&I)”) and either updating the later examples/terminology to match the site-scale framing or adding a short note that the demo scenario is still expressed in “houses” as a proxy unit.

Suggested change

	The **Virtual Power Plant Simulator** is an open source project for simulating small C&I site-scale Virtual Power Plant (VPP) behavior in real time.
	The **Virtual Power Plant Simulator** is an open source project for simulating small commercial & industrial (C&I) site-scale Virtual Power Plant (VPP) behavior in real time.

[Copilot]

This bullet implies the simulator includes distinct models for pumps/refrigeration, but in src/devices/ the only flexible electric load model appears to be EvCharger (EV-session based). To avoid overstating current functionality, consider rephrasing this to clarify that non-EV flexible loads are represented using EV-style sessions (or remove the pump/refrigeration examples until models exist).