Remove legacy "editable" flag from configs

Author: diegochine

client/configs/AGENTS.md

@@ -15,7 +15,7 @@ The loading happens in `client/app.js` → `initState()` → `ConfigLoader` →
 `ConfigLoader` (`client/core/config-loader.js`) provides:
 
 - **Validation**: Validates config structure (functions array with required `id`/`expression`, graph object with numeric bounds)
-- **Defaults**: Applies default values (colors, visibility flags, editable flags, graph settings)
+- **Defaults**: Applies default values (colors, visibility flags, graph settings).
 - **Events**: Publishes `config:loaded` event after successful processing
 - **Dual Interface**:
   - `load(path)` - Loads JSON from file system
@@ -27,7 +27,7 @@ The loading happens in `client/app.js` → `initState()` → `ConfigLoader` →
 - **Role**: Primary configuration file loaded at application startup
 - **Usage**: Actively loaded by `app.js` via `ConfigLoader.load('./configs/config.json')`
 - **Purpose**: Defines runtime state (viewport bounds, initial expressions, display settings)
-- **Schema**: `{functions: [{id, expression, editable?, visible?}], graph: {xMin, xMax, yMin, yMax, showGrid?, showAxes?, showLegend?}}`
+- **Schema**: `{functions: [{id, expression, visible?}], graph: {xMin, xMax, yMin, yMax, showGrid?, showAxes?, showLegend?}}`
 
 ### 2. `client/configs/default-config.js` (Fallback Config)
 - **Role**: Fallback configuration when `config.json` is unavailable or fails to load

client/configs/config.json

@@ -3,7 +3,6 @@
     {
       "id": "f",
       "expression": "m*x + b",
-      "editable": false,
       "visible": true
     }
   ],
@@ -16,4 +15,4 @@
     "showAxes": true,
     "showLegend": true
   }
-}
+}

client/configs/samples/functions/absolute-value.json

@@ -3,7 +3,6 @@
     {
       "id": "f",
       "expression": "a * abs(x - h) + k",
-      "editable": false,
       "visible": true
     }
   ],
@@ -16,4 +15,4 @@
     "showAxes": true,
     "showLegend": true
   }
-}
+}

client/configs/samples/functions/cosine.json

@@ -3,7 +3,6 @@
     {
       "id": "f",
       "expression": "a * cos(b*x + c) + d",
-      "editable": false,
       "visible": true
     }
   ],
@@ -16,4 +15,4 @@
     "showAxes": true,
     "showLegend": true
   }
-}
+}

client/configs/samples/functions/cubic.json

@@ -3,7 +3,6 @@
     {
       "id": "f",
       "expression": "a*x^3 + b*x^2 + c*x + d",
-      "editable": false,
       "visible": true
     }
   ],
@@ -16,4 +15,4 @@
     "showAxes": true,
     "showLegend": true
   }
-}
+}

client/configs/samples/functions/exponential.json

@@ -3,7 +3,6 @@
     {
       "id": "f",
       "expression": "a * exp(b*x)",
-      "editable": false,
       "visible": true
     }
   ],
@@ -16,4 +15,4 @@
     "showAxes": true,
     "showLegend": true
   }
-}
+}

client/configs/samples/functions/linear.json

@@ -3,7 +3,6 @@
     {
       "id": "f",
       "expression": "m*x + b",
-      "editable": false,
       "visible": true
     }
   ],
@@ -16,4 +15,4 @@
     "showAxes": true,
     "showLegend": true
   }
-}
+}

client/configs/samples/functions/logarithmic.json

@@ -3,7 +3,6 @@
     {
       "id": "f",
       "expression": "a * log(x - h) + k",
-      "editable": false,
       "visible": true
     }
   ],
@@ -16,4 +15,4 @@
     "showAxes": true,
     "showLegend": true
   }
-}
+}

client/configs/samples/functions/parabola.json

@@ -3,7 +3,6 @@
     {
       "id": "f",
       "expression": "a*(x-h)^2 + k",
-      "editable": false,
       "visible": true
     }
   ],
@@ -16,4 +15,4 @@
     "showAxes": true,
     "showLegend": true
   }
-}
+}

client/configs/samples/functions/rational.json

@@ -3,7 +3,6 @@
     {
       "id": "f",
       "expression": "(a*x + b) / (c*x + d)",
-      "editable": false,
       "visible": true
     }
   ],
@@ -16,4 +15,4 @@
     "showAxes": true,
     "showLegend": true
   }
-}
+}