chore: remove deprecated flow_boundary and update docs to match new architecture

crates/cli/src/config.rs

@@ -16,6 +16,9 @@ pub struct ScenarioConfig {
     pub name: Option<String>,
     /// Fluid name (e.g., "R134a", "R410A", "R744").
     pub fluid: String,
+    /// Fluid backend to use (e.g., "CoolProp", "Test"). Defaults to "Test".
+    #[serde(default)]
+    pub fluid_backend: Option<String>,
     /// Circuit configurations.
     #[serde(default)]
     pub circuits: Vec<CircuitConfig>,
@@ -72,11 +75,42 @@ pub struct ComponentConfig {
     pub component_type: String,
     /// Component name for referencing in edges.
     pub name: String,
-    /// Component-specific parameters.
+    
+    // --- MchxCondenserCoil Specific Fields ---
+    /// Nominal UA value (kW/K). Maps to ua_nominal_kw_k.
+    #[serde(default)]
+    pub ua_nominal_kw_k: Option<f64>,
+    /// Fan speed ratio (0.0 to 1.0).
+    #[serde(default)]
+    pub fan_speed: Option<f64>,
+    /// Air inlet temperature in Celsius.
+    #[serde(default)]
+    pub air_inlet_temp_c: Option<f64>,
+    /// Air mass flow rate in kg/s.
+    #[serde(default)]
+    pub air_mass_flow_kg_s: Option<f64>,
+    /// Air side heat transfer exponent.
+    #[serde(default)]
+    pub n_air_exponent: Option<f64>,
+    /// Condenser bank spec identifier (used for creating multiple instances).
+    #[serde(default)]
+    pub condenser_bank: Option<CondenserBankConfig>,
+    // -----------------------------------------
+
+    /// Component-specific parameters (catch-all).
     #[serde(flatten)]
     pub params: HashMap<String, serde_json::Value>,
 }
 
+/// Configuration for a condenser bank (multi-circuit, multi-coil).
+#[derive(Debug, Clone, Serialize, Deserialize)]
+pub struct CondenserBankConfig {
+    /// Number of circuits.
+    pub circuits: usize,
+    /// Number of coils per circuit.
+    pub coils_per_circuit: usize,
+}
+
 /// Side conditions for a heat exchanger (hot or cold fluid).
 #[derive(Debug, Clone, Serialize, Deserialize)]
 pub struct SideConditionsConfig {
@@ -284,9 +318,17 @@ mod tests {
         let json = r#"{ "fluid": "R134a" }"#;
         let config = ScenarioConfig::from_json(json).unwrap();
         assert_eq!(config.fluid, "R134a");
+        assert_eq!(config.fluid_backend, None);
         assert!(config.circuits.is_empty());
     }
 
+    #[test]
+    fn test_parse_config_with_backend() {
+        let json = r#"{ "fluid": "R134a", "fluid_backend": "CoolProp" }"#;
+        let config = ScenarioConfig::from_json(json).unwrap();
+        assert_eq!(config.fluid_backend.as_deref(), Some("CoolProp"));
+    }
+
     #[test]
     fn test_parse_full_config() {
         let json = r#"
@@ -342,4 +384,38 @@ mod tests {
         let result = ScenarioConfig::from_json(json);
         assert!(result.is_err());
     }
+
+    #[test]
+    fn test_parse_mchx_condenser_coil() {
+        let json = r#"
+        {
+            "fluid": "R134a",
+            "circuits": [{
+                "id": 0,
+                "components": [{
+                    "type": "MchxCondenserCoil",
+                    "name": "mchx_coil",
+                    "ua_nominal_kw_k": 25.5,
+                    "fan_speed": 0.8,
+                    "air_inlet_temp_c": 35.0,
+                    "condenser_bank": {
+                        "circuits": 2,
+                        "coils_per_circuit": 3
+                    }
+                }],
+                "edges": []
+            }]
+        }"#;
+        let config = ScenarioConfig::from_json(json).unwrap();
+        let comp = &config.circuits[0].components[0];
+        
+        assert_eq!(comp.component_type, "MchxCondenserCoil");
+        assert_eq!(comp.ua_nominal_kw_k, Some(25.5));
+        assert_eq!(comp.fan_speed, Some(0.8));
+        assert_eq!(comp.air_inlet_temp_c, Some(35.0));
+        
+        let bank = comp.condenser_bank.as_ref().unwrap();
+        assert_eq!(bank.circuits, 2);
+        assert_eq!(bank.coils_per_circuit, 3);
+    }
 }