Agentic Fabrication Network (AFN)

Previous value: -"New color for this part (spec change — lanes requote). Colour WORDS only ('black', 'green', 'clear'); the network resolves them to each maker's stocked shade, dye, filament or coating — never pass a material or a shade you invented. Pass null to REMOVE a previously asked color — back to vendor defaults"New value: +"New color for this part (spec change — lanes requote). Colour WORDS only ('black', 'green', 'clear'); the network resolves them to each maker's stocked shades, dyes, filaments or coatings — a family word ('blue') brings back EVERY stocked shade of it, and the quote's color_shades_available lists them — never pass a material or a shade you invented. Pass null to REMOVE a previously asked color — back to vendor defaults"

Added value: +{
+  "anyOf": [
+    {
+      "items": {
+        "maxLength": 48,
+        "minLength": 1,
+        "type": "string"
+      },
+      "maxItems": 64,
+      "type": "array"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Narrow the board to these color SHADES exactly as the quote lists them (color_shades_available / \"Colors on this board\") — instant, nothing re-prices, the same quote id comes back with only those shades; pass null to show every shade again. Never invent a shade name."
+}

Previous value: -"New color for this part (spec change — lanes requote). Colour WORDS only ('black', 'green', 'clear'); the network resolves them to each maker's stocked shade, dye, filament or coating — never pass a material or a shade you invented. Pass null to REMOVE a previously asked color — back to vendor defaults"New value: +"New color for this part (spec change — lanes requote). Colour WORDS only ('black', 'green', 'clear'); the network resolves them to each maker's stocked shades, dyes, filaments or coatings — a family word ('blue') brings back EVERY stocked shade of it, and the quote's color_shades_available lists them — never pass a material or a shade you invented. Pass null to REMOVE a previously asked color — back to vendor defaults"

Added value: +{
+  "anyOf": [
+    {
+      "items": {
+        "maxLength": 48,
+        "minLength": 1,
+        "type": "string"
+      },
+      "maxItems": 64,
+      "type": "array"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "Narrow the board to these color SHADES exactly as the quote lists them (color_shades_available / \"Colors on this board\") — instant, nothing re-prices, the same quote id comes back with only those shades; pass null to show every shade again. Never invent a shade name."
+}

Previous value: -"ONLY a color the user actually asked for — NEVER pick one for them. fdm_print: Filament color for fdm_print (e.g. black, red); resin_print: Resin color for resin_print (e.g. gray, white, black); powder_print: Powder part color: raw gray/white, or a dye (\"black\", \"dark blue\") — vendor-resolved; elastomer_print: Elastomer part color — VCJ parts ship raw; asks resolve with an honest substitution note; print: Print color ask (\"full color\", \"black and white\"). Vendors that only price full color note the substitution; apparel: Garment color for apparel (\"black\", \"heather gray\") — vendor-resolved"New value: +"ONLY a color the user actually asked for — NEVER pick one for them. fdm_print: Filament color for fdm_print (e.g. black, red); resin_print: Resin color for resin_print (e.g. gray, white, black); powder_print: Powder part color: raw gray/white, or a dye (\"black\", \"dark blue\") — vendor-resolved; elastomer_print: Elastomer part color — VCJ parts ship raw; asks resolve with an honest substitution note; cnc: Colour for cnc: with finish anodized it is the anodize colour, otherwise the stock's own colour (black Delrin, clear acrylic). Colour WORDS only; each maker resolves the shade and says what it landed on; laser_cut: Colour of the flat stock for laser_cut (black, clear, natural…). Colour WORDS only; each maker quotes the materials it stocks in that colour and drops the ones that cannot be it; print: Print color ask (\"full color\", \"black and white\"). Vendors that only price full color note the substitution; apparel: Garment color for apparel (\"black\", \"heather gray\") — vendor-resolved"

Previous value: -"New color for this part (spec change — lanes requote). Pass null to REMOVE a previously asked color — back to vendor defaults"New value: +"New color for this part (spec change — lanes requote). Colour WORDS only ('black', 'green', 'clear'); the network resolves them to each maker's stocked shade, dye, filament or coating — never pass a material or a shade you invented. Pass null to REMOVE a previously asked color — back to vendor defaults"

Previous value: -"New color for this part (spec change — lanes requote). Pass null to REMOVE a previously asked color — back to vendor defaults"New value: +"New color for this part (spec change — lanes requote). Colour WORDS only ('black', 'green', 'clear'); the network resolves them to each maker's stocked shade, dye, filament or coating — never pass a material or a shade you invented. Pass null to REMOVE a previously asked color — back to vendor defaults"

Added value: +{
+  "type": "integer"
+}

Added value: +{
+  "enum": [
+    "detected",
+    "user"
+  ],
+  "type": "string"
+}

Previous value: -[
-  {
-    "anyOf": [
-      {
-        "not": {}
-      },
-      {
-        "items": {
-          "additionalProperties": false,
-          "properties": {
-            "angle_deg": {
-              "exclusiveMaximum": 180,
-              "exclusiveMinimum": 0,
-              "type": "number"
-            },
-            "direction": {
-              "enum": [
-                "up",
-                "down"
-              ],
-              "type": "string"
-            },
-            "id": {
-              "maxLength": 32,
-              "minLength": 1,
-              "type": "string"
-            },
-            "line": {
-              "additionalProperties": false,
-              "properties": {
-                "p1": {
-                  "items": [
-                    {
-                      "type": "number"
-                    },
-                    {
-                      "type": "number"
-                    },
-                    {
-                      "type": "number"
-                    }
-                  ],
-                  "maxItems": 3,
-                  "minItems": 3,
-                  "type": "array"
-                },
-                "p2": {
-                  "items": [
-                    {
-                      "type": "number"
-                    },
-                    {
-                      "type": "number"
-                    },
-                    {
-                      "type": "number"
-                    }
-                  ],
-                  "maxItems": 3,
-                  "minItems": 3,
-                  "type": "array"
-                }
-              },
-              "required": [
-                "p1",
-                "p2"
-              ],
-              "type": "object"
-            },
-            "radius_mm": {
-              "exclusiveMinimum": 0,
-              "type": "number"
-            }
-          },
-          "required": [
-            "line",
-            "angle_deg",
-            "direction"
-          ],
-          "type": "object"
-        },
-        "maxItems": 50,
-        "type": "array"
-      }
-    ],
-    "description": "Sheet-metal bend lines, each as TWO POINTS in the part's own mm frame (flat DXF parts use z=0: a bend from (0,12.7) to (76.2,12.7) is p1 [0,12.7,0], p2 [76.2,12.7,0]). angle_deg is the target bend angle (90 = a right-angle flange), direction \"up\"/\"down\" is the fold direction relative to the flat pattern, radius_mm the requested inside radius (omit it — the shop resolves to its tooling and reports what it used). Pass these when the user articulates WHERE the bends go; a bare \"it has 2 bends\" is bend_count, not this."
-  },
-  {
-    "type": "null"
-  }
-]New value: +[
+  {
+    "anyOf": [
+      {
+        "not": {}
+      },
+      {
+        "items": {
+          "additionalProperties": false,
+          "properties": {
+            "angle_deg": {
+              "exclusiveMaximum": 180,
+              "exclusiveMinimum": 0,
+              "type": "number"
+            },
+            "direction": {
+              "enum": [
+                "up",
+                "down"
+              ],
+              "type": "string"
+            },
+            "face_id": {
+              "type": "integer"
+            },
+            "id": {
+              "maxLength": 32,
+              "minLength": 1,
+              "type": "string"
+            },
+            "line": {
+              "additionalProperties": false,
+              "properties": {
+                "p1": {
+                  "items": [
+                    {
+                      "type": "number"
+                    },
+                    {
+                      "type": "number"
+                    },
+                    {
+                      "type": "number"
+                    }
+                  ],
+                  "maxItems": 3,
+                  "minItems": 3,
+                  "type": "array"
+                },
+                "p2": {
+                  "items": [
+                    {
+                      "type": "number"
+                    },
+                    {
+                      "type": "number"
+                    },
+                    {
+                      "type": "number"
+                    }
+                  ],
+                  "maxItems": 3,
+                  "minItems": 3,
+                  "type": "array"
+                }
+              },
+              "required": [
+                "p1",
+                "p2"
+              ],
+              "type": "object"
+            },
+            "radius_mm": {
+              "exclusiveMinimum": 0,
+              "type": "number"
+            },
+            "source": {
+              "enum": [
+                "detected",
+                "user"
+              ],
+              "type": "string"
+            }
+          },
+          "required": [
+            "line",
+            "angle_deg",
+            "direction"
+          ],
+          "type": "object"
+        },
+        "maxItems": 50,
+        "type": "array"
+      }
+    ],
+    "description": "Sheet-metal bend lines, each as TWO POINTS in the part's own mm frame (flat DXF parts use z=0: a bend from (0,12.7) to (76.2,12.7) is p1 [0,12.7,0], p2 [76.2,12.7,0]). angle_deg is the target bend angle (90 = a right-angle flange), direction \"up\"/\"down\" is the fold direction relative to the flat pattern, radius_mm the requested inside radius (omit it — the shop resolves to its tooling and reports what it used). Pass these when the user articulates WHERE the bends go; a bare \"it has 2 bends\" is bend_count, not this."
+  },
+  {
+    "type": "null"
+  }
+]

Added value: +{
+  "description": "Sheet-metal bend lines, each as TWO POINTS in the part's own mm frame (flat DXF parts use z=0: a bend from (0,12.7) to (76.2,12.7) is p1 [0,12.7,0], p2 [76.2,12.7,0]). angle_deg is the target bend angle (90 = a right-angle flange), direction \"up\"/\"down\" is the fold direction relative to the flat pattern, radius_mm the requested inside radius (omit it — the shop resolves to its tooling and reports what it used). Pass these when the user articulates WHERE the bends go; a bare \"it has 2 bends\" is bend_count, not this.",
+  "items": {
+    "additionalProperties": false,
+    "properties": {
+      "angle_deg": {
+        "exclusiveMaximum": 180,
+        "exclusiveMinimum": 0,
+        "type": "number"
+      },
+      "direction": {
+        "enum": [
+          "up",
+          "down"
+        ],
+        "type": "string"
+      },
+      "id": {
+        "maxLength": 32,
+        "minLength": 1,
+        "type": "string"
+      },
+      "line": {
+        "additionalProperties": false,
+        "properties": {
+          "p1": {
+            "items": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "number"
+              },
+              {
+                "type": "number"
+              }
+            ],
+            "maxItems": 3,
+            "minItems": 3,
+            "type": "array"
+          },
+          "p2": {
+            "items": [
+              {
+                "type": "number"
+              },
+              {
+                "type": "number"
+              },
+              {
+                "type": "number"
+              }
+            ],
+            "maxItems": 3,
+            "minItems": 3,
+            "type": "array"
+          }
+        },
+        "required": [
+          "p1",
+          "p2"
+        ],
+        "type": "object"
+      },
+      "radius_mm": {
+        "exclusiveMinimum": 0,
+        "type": "number"
+      }
+    },
+    "required": [
+      "line",
+      "angle_deg",
+      "direction"
+    ],
+    "type": "object"
+  },
+  "maxItems": 50,
+  "type": "array"
+}

Previous value: -"cnc: CNC surface finish: standard|anodized|polished|bead_blasted (default standard); sheetmetal: as_cut (default) | deburred | powder_coat — powder coat protects mild steel for outdoor use"New value: +"cnc: CNC surface finish: standard|anodized|polished|bead_blasted (default standard); sheetmetal: as_cut (default) | deburred | anodized | powder_coat — anodized is aluminum-only; powder coat protects mild steel for outdoor use"

Added value: +{
+  "description": "PEM-style hardware inserts pressed into holes of a sheet-metal part — one record per hole. `insert` is the species (nut | flush_nut | standoff | blind_standoff | stud) and `thread` its size (\"M4\", \"1/4-20\"); both are required. When known, add length_mm (standoff/stud post length), the hole's center (located_at_mm, part's own mm frame), its axis, the drilled diameter, and `points` — the signed unit vector the insert's functional side faces (flip = negate). Pass these when the user asks for press-in nuts/standoffs/studs; vendors with a hardware service price them.",
+  "items": {
+    "additionalProperties": false,
+    "properties": {
+      "axis": {
+        "items": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "number"
+          },
+          {
+            "type": "number"
+          }
+        ],
+        "maxItems": 3,
+        "minItems": 3,
+        "type": "array"
+      },
+      "depth_mm": {
+        "exclusiveMinimum": 0,
+        "type": "number"
+      },
+      "drilled_diameter_mm": {
+        "exclusiveMinimum": 0,
+        "type": "number"
+      },
+      "face_id": {
+        "type": "integer"
+      },
+      "hole": {
+        "minimum": 1,
+        "type": "integer"
+      },
+      "insert": {
+        "enum": [
+          "nut",
+          "flush_nut",
+          "standoff",
+          "blind_standoff",
+          "stud"
+        ],
+        "type": "string"
+      },
+      "length_mm": {
+        "exclusiveMinimum": 0,
+        "type": "number"
+      },
+      "located_at_mm": {
+        "additionalProperties": false,
+        "properties": {
+          "x": {
+            "type": "number"
+          },
+          "y": {
+            "type": "number"
+          },
+          "z": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "x",
+          "y",
+          "z"
+        ],
+        "type": "object"
+      },
+      "points": {
+        "items": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "number"
+          },
+          {
+            "type": "number"
+          }
+        ],
+        "maxItems": 3,
+        "minItems": 3,
+        "type": "array"
+      },
+      "thread": {
+        "maxLength": 32,
+        "minLength": 1,
+        "type": "string"
+      }
+    },
+    "required": [
+      "insert",
+      "thread"
+    ],
+    "type": "object"
+  },
+  "maxItems": 200,
+  "type": "array"
+}

Added value: +{
+  "description": "Tapped (threaded) holes for a sheet-metal part — one record per hole the user wants threads cut into. `thread` is the callout in the user's words (\"M6\", \"M4 x 0.7\", \"1/4-20\") and is all that's required; when known, add the hole's center in the part's own mm frame (located_at_mm), its unit axis, the pre-tap drilled diameter, and depth_mm so the shop taps the right hole. Pass these when the user asks for threaded/tapped holes; vendors with a tapping service price them.",
+  "items": {
+    "additionalProperties": false,
+    "properties": {
+      "axis": {
+        "items": [
+          {
+            "type": "number"
+          },
+          {
+            "type": "number"
+          },
+          {
+            "type": "number"
+          }
+        ],
+        "maxItems": 3,
+        "minItems": 3,
+        "type": "array"
+      },
+      "depth_mm": {
+        "exclusiveMinimum": 0,
+        "type": "number"
+      },
+      "drilled_diameter_mm": {
+        "exclusiveMinimum": 0,
+        "type": "number"
+      },
+      "face_id": {
+        "type": "integer"
+      },
+      "hole": {
+        "minimum": 1,
+        "type": "integer"
+      },
+      "located_at_mm": {
+        "additionalProperties": false,
+        "properties": {
+          "x": {
+            "type": "number"
+          },
+          "y": {
+            "type": "number"
+          },
+          "z": {
+            "type": "number"
+          }
+        },
+        "required": [
+          "x",
+          "y",
+          "z"
+        ],
+        "type": "object"
+      },
+      "thread": {
+        "maxLength": 32,
+        "minLength": 1,
+        "type": "string"
+      }
+    },
+    "required": [
+      "thread"
+    ],
+    "type": "object"
+  },
+  "maxItems": 200,
+  "type": "array"
+}

Added value: +{
+  "anyOf": [
+    {
+      "anyOf": [
+        {
+          "not": {}
+        },
+        {
+          "items": {
+            "additionalProperties": false,
+            "properties": {
+              "angle_deg": {
+                "exclusiveMaximum": 180,
+                "exclusiveMinimum": 0,
+                "type": "number"
+              },
+              "direction": {
+                "enum": [
+                  "up",
+                  "down"
+                ],
+                "type": "string"
+              },
+              "id": {
+                "maxLength": 32,
+                "minLength": 1,
+                "type": "string"
+              },
+              "line": {
+                "additionalProperties": false,
+                "properties": {
+                  "p1": {
+                    "items": [
+                      {
+                        "type": "number"
+                      },
+                      {
+                        "type": "number"
+                      },
+                      {
+                        "type": "number"
+                      }
+                    ],
+                    "maxItems": 3,
+                    "minItems": 3,
+                    "type": "array"
+                  },
+                  "p2": {
+                    "items": [
+                      {
+                        "type": "number"
+                      },
+                      {
+                        "type": "number"
+                      },
+                      {
+                        "type": "number"
+                      }
+                    ],
+                    "maxItems": 3,
+                    "minItems": 3,
+                    "type": "array"
+                  }
+                },
+                "required": [
+                  "p1",
+                  "p2"
+                ],
+                "type": "object"
+              },
+              "radius_mm": {
+                "exclusiveMinimum": 0,
+                "type": "number"
+              }
+            },
+            "required": [
+              "line",
+              "angle_deg",
+              "direction"
+            ],
+            "type": "object"
+          },
+          "maxItems": 50,
+          "type": "array"
+        }
+      ],
+      "description": "Sheet-metal bend lines, each as TWO POINTS in the part's own mm frame (flat DXF parts use z=0: a bend from (0,12.7) to (76.2,12.7) is p1 [0,12.7,0], p2 [76.2,12.7,0]). angle_deg is the target bend angle (90 = a right-angle flange), direction \"up\"/\"down\" is the fold direction relative to the flat pattern, radius_mm the requested inside radius (omit it — the shop resolves to its tooling and reports what it used). Pass these when the user articulates WHERE the bends go; a bare \"it has 2 bends\" is bend_count, not this."
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "New bend records for this part — a spec change: sheet lanes requote with exactly these bends (the list REPLACES the previous one, never patches it). Same shape as on get_fabrication_quote: each bend is two points in the part's own mm frame (flat DXF parts use z=0) plus angle_deg, direction up|down, and an optional requested radius_mm. Pass null to REMOVE every articulated bend"
+}

Previous value: -"New color for this part (spec change — lanes requote)"New value: +"New color for this part (spec change — lanes requote). Pass null to REMOVE a previously asked color — back to vendor defaults"

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Previous value: -"New surface finish (\"powder coat\", \"anodized\", \"bead blasted\") — a spec change: finish-capable lanes (sheet metal, CNC, metal print) requote WITH it; 3D-print lanes have no coating step, so they ignore the finish but keep the COLOR. A colored finish ask (\"black powder coat\") should set BOTH finish and color, so every lane lands on the buyer's color"New value: +"New surface finish (\"powder coat\", \"anodized\", \"bead blasted\") — a spec change: finish-capable lanes (sheet metal, CNC, metal print) requote WITH it; 3D-print lanes have no coating step, so they ignore the finish but keep the COLOR. A colored finish ask (\"black powder coat\") should set BOTH finish and color, so every lane lands on the buyer's color. Pass null to REMOVE a previously asked finish"

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Added value: +{
+  "anyOf": [
+    {
+      "anyOf": [
+        {
+          "not": {}
+        },
+        {
+          "items": {
+            "additionalProperties": false,
+            "properties": {
+              "axis": {
+                "items": [
+                  {
+                    "type": "number"
+                  },
+                  {
+                    "type": "number"
+                  },
+                  {
+                    "type": "number"
+                  }
+                ],
+                "maxItems": 3,
+                "minItems": 3,
+                "type": "array"
+              },
+              "depth_mm": {
+                "exclusiveMinimum": 0,
+                "type": "number"
+              },
+              "drilled_diameter_mm": {
+                "exclusiveMinimum": 0,
+                "type": "number"
+              },
+              "face_id": {
+                "type": "integer"
+              },
+              "hole": {
+                "minimum": 1,
+                "type": "integer"
+              },
+              "insert": {
+                "enum": [
+                  "nut",
+                  "flush_nut",
+                  "standoff",
+                  "blind_standoff",
+                  "stud"
+                ],
+                "type": "string"
+              },
+              "length_mm": {
+                "exclusiveMinimum": 0,
+                "type": "number"
+              },
+              "located_at_mm": {
+                "additionalProperties": false,
+                "properties": {
+                  "x": {
+                    "type": "number"
+                  },
+                  "y": {
+                    "type": "number"
+                  },
+                  "z": {
+                    "type": "number"
+                  }
+                },
+                "required": [
+                  "x",
+                  "y",
+                  "z"
+                ],
+                "type": "object"
+              },
+              "points": {
+                "items": [
+                  {
+                    "type": "number"
+                  },
+                  {
+                    "type": "number"
+                  },
+                  {
+                    "type": "number"
+                  }
+                ],
+                "maxItems": 3,
+                "minItems": 3,
+                "type": "array"
+              },
+              "thread": {
+                "maxLength": 32,
+                "minLength": 1,
+                "type": "string"
+              }
+            },
+            "required": [
+              "insert",
+              "thread"
+            ],
+            "type": "object"
+          },
+          "maxItems": 200,
+          "type": "array"
+        }
+      ],
+      "description": "PEM-style hardware inserts pressed into holes of a sheet-metal part — one record per hole. `insert` is the species (nut | flush_nut | standoff | blind_standoff | stud) and `thread` its size (\"M4\", \"1/4-20\"); both are required. When known, add length_mm (standoff/stud post length), the hole's center (located_at_mm, part's own mm frame), its axis, the drilled diameter, and `points` — the signed unit vector the insert's functional side faces (flip = negate). Pass these when the user asks for press-in nuts/standoffs/studs; vendors with a hardware service price them."
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "New hardware-insert records for this part — a spec change: sheet lanes requote with exactly these inserts (the list REPLACES the previous one, never patches it). Same shape as on get_fabrication_quote: species (nut|flush_nut|standoff|blind_standoff|stud) and thread required, hole geometry optional. Pass null to REMOVE every insert"
+}

Previous value: -"New material for this part (\"I need it in PLA\" → \"pla\"). A spec change: lanes requote with this material through warm vendor sessions; an explicit material here replaces the quote's material fan-out. Free-form — unstocked asks resolve to the closest stocked material with a substitution note. Do NOT pass material changes as requirements terms"New value: +"New material for this part (\"I need it in PLA\" → \"pla\"). A spec change: lanes requote with this material through warm vendor sessions; an explicit material here replaces the quote's material fan-out. Free-form — unstocked asks resolve to the closest stocked material with a substitution note. Do NOT pass material changes as requirements terms. Pass null to REMOVE a previously asked material (\"forget the aluminum ask\") — the ask comes off the record and the process-default material fan returns"

Previous value: -"string"New value: +[
+  "string",
+  "null"
+]

Added value: +[
+  {
+    "items": {
+      "exclusiveMinimum": 0,
+      "type": "integer"
+    },
+    "maxItems": 5,
+    "type": "array"
+  },
+  {
+    "type": "null"
+  }
+]

Previous value: -"New quantities the user wants (spec change — lanes requote at the new quantity). Same rules as on get_fabrication_quote: pass the real ask, never inflate it"New value: +"New quantities the user wants (spec change — lanes requote at the new quantity). Same rules as on get_fabrication_quote: pass the real ask, never inflate it. Pass null to REMOVE a previously asked quantity — the quote returns to single-part pricing"

Removed value: -{
-  "exclusiveMinimum": 0,
-  "type": "integer"
-}

Removed value: -5

Removed value: -"array"

Added value: +{
+  "additionalProperties": false,
+  "description": "Rescale the DESIGN ITSELF before re-quoting: per-axis stretch factors over the file's current geometry (\"make it 2x bigger\" = {\"x\":2,\"y\":2,\"z\":2}). Mesh designs are genuinely converted — the child quote prices a rescaled file; STEP/IGES designs keep their original file with the dimensions riding as callouts (pass those too). {1,1,1} is a no-op",
+  "properties": {
+    "x": {
+      "maximum": 100,
+      "minimum": 0.01,
+      "type": "number"
+    },
+    "y": {
+      "maximum": 100,
+      "minimum": 0.01,
+      "type": "number"
+    },
+    "z": {
+      "maximum": 100,
+      "minimum": 0.01,
+      "type": "number"
+    }
+  },
+  "required": [
+    "x",
+    "y",
+    "z"
+  ],
+  "type": "object"
+}

Added value: +{
+  "anyOf": [
+    {
+      "anyOf": [
+        {
+          "not": {}
+        },
+        {
+          "items": {
+            "additionalProperties": false,
+            "properties": {
+              "axis": {
+                "items": [
+                  {
+                    "type": "number"
+                  },
+                  {
+                    "type": "number"
+                  },
+                  {
+                    "type": "number"
+                  }
+                ],
+                "maxItems": 3,
+                "minItems": 3,
+                "type": "array"
+              },
+              "depth_mm": {
+                "exclusiveMinimum": 0,
+                "type": "number"
+              },
+              "drilled_diameter_mm": {
+                "exclusiveMinimum": 0,
+                "type": "number"
+              },
+              "face_id": {
+                "type": "integer"
+              },
+              "hole": {
+                "minimum": 1,
+                "type": "integer"
+              },
+              "located_at_mm": {
+                "additionalProperties": false,
+                "properties": {
+                  "x": {
+                    "type": "number"
+                  },
+                  "y": {
+                    "type": "number"
+                  },
+                  "z": {
+                    "type": "number"
+                  }
+                },
+                "required": [
+                  "x",
+                  "y",
+                  "z"
+                ],
+                "type": "object"
+              },
+              "thread": {
+                "maxLength": 32,
+                "minLength": 1,
+                "type": "string"
+              }
+            },
+            "required": [
+              "thread"
+            ],
+            "type": "object"
+          },
+          "maxItems": 200,
+          "type": "array"
+        }
+      ],
+      "description": "Tapped (threaded) holes for a sheet-metal part — one record per hole the user wants threads cut into. `thread` is the callout in the user's words (\"M6\", \"M4 x 0.7\", \"1/4-20\") and is all that's required; when known, add the hole's center in the part's own mm frame (located_at_mm), its unit axis, the pre-tap drilled diameter, and depth_mm so the shop taps the right hole. Pass these when the user asks for threaded/tapped holes; vendors with a tapping service price them."
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "New tapped-hole records for this part — a spec change: sheet lanes requote with exactly these taps (the list REPLACES the previous one, never patches it). Same shape as on get_fabrication_quote: thread callout (\"M6\", \"1/4-20\") required, hole geometry optional. Pass null to REMOVE every tap"
+}

Added value: +{
+  "anyOf": [
+    {
+      "exclusiveMinimum": 0,
+      "maximum": 1,
+      "type": "number"
+    },
+    {
+      "type": "null"
+    }
+  ],
+  "description": "New sheet thickness in INCHES (\"make it in 1/8\" → 0.125) — a spec change: sheet lanes requote at the nearest stocked gauge, flagging the substitution when the match isn't close. Pass null to REMOVE a previously asked thickness — back to the material's default gauge"
+}

Added value: +{
+  "description": "Coupon code, only if the user provided one (early-adopter codes from the AFN team). Case-insensitive. The discount appears on the payment page; a 100%-off code makes the total $0 with no card required. Never invent or guess a code.",
+  "type": "string"
+}

Added value: +{
+  "description": "REMOVE constraints entirely (\"drop the deadline\", \"forget the budget\", \"no more food-safe requirement\"): list the constraints to clear and each is removed from the quote — the one deliberate widening besides undo. Clearing a deadline or budget answers instantly from held offers (near-misses convert back); clearing an attribute/reliability/requirements demand re-prices honestly. Same effect as [\"any\"] on the three filter args, extended to every constraint",
+  "items": {
+    "enum": [
+      "deadline",
+      "budget",
+      "outdoor_rated",
+      "submersible",
+      "high_temp",
+      "food_safe",
+      "reliability",
+      "requirements",
+      "processes",
+      "ships_from",
+      "vendors"
+    ],
+    "type": "string"
+  },
+  "minItems": 1,
+  "type": "array"
+}

Added value: +{
+  "description": "Take back INDIVIDUAL requirements terms (\"drop the anodized ask, keep the rest\"): each listed term is removed from the quote's requirements by normalized match, the others stay. Unknown terms are ignored, never an error. Re-stating the requirements list can never drop a term (terms merge as a union) — this is the removal channel",
+  "items": {
+    "maxLength": 120,
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 20,
+  "minItems": 1,
+  "type": "array"
+}

Added value: +{
+  "description": "GO BACK EXACTLY ONE STEP (\"undo that\", \"go back\", \"put it back how it was\"): the network restores the previous quote's stored spec and constraints EXACTLY — never reconstructed from conversation — and re-prices where needed. Send it ALONE (no other args besides quote_id); combining it with changes is rejected. The quote's steps[] names what each undo would take back — steps[0] is the newest. Undo resets the baseline like any unlabeled refine, so open comparison scenarios close. Undoing the original quote is rejected with honest wording — relay it",
+  "type": "boolean"
+}

Previous value: -"ONLY a color the user actually asked for — NEVER pick one for them. fdm_print: Filament color for fdm_print (e.g. black, red); resin_print: Resin color for resin_print (e.g. gray, white, black); powder_print: Powder part color: raw gray/white, or a dye (\"black\", \"dark blue\") — vendor-resolved; print: Print color ask (\"full color\", \"black and white\"). Vendors that only price full color note the substitution; apparel: Garment color for apparel (\"black\", \"heather gray\") — vendor-resolved"New value: +"ONLY a color the user actually asked for — NEVER pick one for them. fdm_print: Filament color for fdm_print (e.g. black, red); resin_print: Resin color for resin_print (e.g. gray, white, black); powder_print: Powder part color: raw gray/white, or a dye (\"black\", \"dark blue\") — vendor-resolved; elastomer_print: Elastomer part color — VCJ parts ship raw; asks resolve with an honest substitution note; print: Print color ask (\"full color\", \"black and white\"). Vendors that only price full color note the substitution; apparel: Garment color for apparel (\"black\", \"heather gray\") — vendor-resolved"

Added value: +{
+  "description": "Elastomer post-processing: as_printed (VCJ parts ship raw — the whole lane today)",
+  "type": "string"
+}

Added value: +{
+  "description": "Elastomer process: vapor_cure_jetting (VCJ). Omit to let the vendor pick its default lane for the material",
+  "type": "string"
+}

Previous value: -"ONLY a material the user actually asked for — NEVER guess or default one (a silent \"pla\" on a bare file drop prunes every maker that does not stock it; OMIT instead and each process quotes across its stocked materials so every maker can bid). fdm_print: pla|petg|asa (free-form — \"abs\", \"polycarbonate\" asks resolve to the closest stocked filament with a substitution note); resin_print: standard|tough|high_temp|high_detail resin (free-form asks resolve to the closest supported resin); powder_print: Powder-bed nylon: nylon_12|nylon_12_smooth|nylon_11|nylon_12_gf|nylon_12_esd|tpu (free-form — \"PA12\", \"glass filled\" resolve to the closest stocked powder); cnc: aluminum_6061|aluminum_7075|stainless_304|titanium|brass|acetal|delrin|abs|nylon_pa6|peek|acrylic (free-form asks resolve to the closest supported stock); sheetmetal: mild_steel|aluminum_5052|stainless_304 (free-form — \"steel\", \"5052\", \"stainless\" resolve; unknown asks get closest-match offers). Omit to compare the defaults; laser_cut: acrylic|plywood|mdf|delrin|uhmw|hdpe|g10|carbon_fiber|mild_steel|aluminum_5052|stainless_304 (free-form — \"plexiglass\", \"birch\" resolve; unknown asks get closest-match offers); decal: vinyl|holographic|transparent|glitter (free-form — \"chrome\" etc. gets closest matches)"New value: +"ONLY a material the user actually asked for — NEVER guess or default one (a silent \"pla\" on a bare file drop prunes every maker that does not stock it; OMIT instead and each process quotes across its stocked materials so every maker can bid). fdm_print: pla|petg|asa (free-form — \"abs\", \"polycarbonate\" asks resolve to the closest stocked filament with a substitution note); resin_print: standard|tough|high_temp|high_detail resin (free-form asks resolve to the closest supported resin); powder_print: Powder-bed nylon: nylon_12|nylon_12_smooth|nylon_11|nylon_12_gf|nylon_12_esd|nylon_12_white|nylon_pa2200|nylon_12_sls|tpu (free-form — \"PA12\", \"glass filled\" resolve to the closest stocked powder); elastomer_print: Jetted elastomer: tepu_30a|tepu_50a (free-form — \"TPU\", \"soft rubber\" resolve to the closest stocked durometer); cnc: aluminum_6061|aluminum_7075|stainless_304|titanium|brass|acetal|delrin|abs|nylon_pa6|peek|acrylic (free-form asks resolve to the closest supported stock); sheetmetal: mild_steel|aluminum_5052|stainless_304 (free-form — \"steel\", \"5052\", \"stainless\" resolve; unknown asks get closest-match offers). Omit to compare the defaults; laser_cut: acrylic|plywood|mdf|delrin|uhmw|hdpe|g10|carbon_fiber|mild_steel|aluminum_5052|stainless_304 (free-form — \"plexiglass\", \"birch\" resolve; unknown asks get closest-match offers); decal: vinyl|holographic|transparent|glitter (free-form — \"chrome\" etc. gets closest matches)"

Previous value: -[
-  "fdm_print",
-  "resin_print",
-  "powder_print",
-  "metal_print",
-  "cnc",
-  "sheetmetal",
-  "laser_cut",
-  "decal",
-  "print",
-  "apparel"
-]New value: +[
+  "fdm_print",
+  "resin_print",
+  "powder_print",
+  "metal_print",
+  "elastomer_print",
+  "cnc",
+  "sheetmetal",
+  "laser_cut",
+  "decal",
+  "print",
+  "apparel"
+]

Added value: +{
+  "description": "Numeric Shore A durometer ask (10-95, e.g. 40). Resolved to the NEAREST stocked durometer with a substitution note — never a silent swap",
+  "exclusiveMinimum": 0,
+  "type": "number"
+}

Previous value: -"fdm_print: Filament color for fdm_print (e.g. black, red); resin_print: Resin color for resin_print (e.g. gray, white, black); powder_print: Powder part color: raw gray/white, or a dye (\"black\", \"dark blue\") — vendor-resolved; print: Print color ask (\"full color\", \"black and white\"). Vendors that only price full color note the substitution; apparel: Garment color for apparel (\"black\", \"heather gray\") — vendor-resolved"New value: +"ONLY a color the user actually asked for — NEVER pick one for them. fdm_print: Filament color for fdm_print (e.g. black, red); resin_print: Resin color for resin_print (e.g. gray, white, black); powder_print: Powder part color: raw gray/white, or a dye (\"black\", \"dark blue\") — vendor-resolved; print: Print color ask (\"full color\", \"black and white\"). Vendors that only price full color note the substitution; apparel: Garment color for apparel (\"black\", \"heather gray\") — vendor-resolved"

Previous value: -"fdm_print: pla|petg|asa (free-form — \"abs\", \"polycarbonate\" asks resolve to the closest stocked filament with a substitution note); resin_print: standard|tough|high_temp|high_detail resin (free-form asks resolve to the closest supported resin); powder_print: Powder-bed nylon: nylon_12|nylon_12_smooth|nylon_11|nylon_12_gf|nylon_12_esd|tpu (free-form — \"PA12\", \"glass filled\" resolve to the closest stocked powder); cnc: aluminum_6061|aluminum_7075|stainless_304|titanium|brass|acetal|delrin|abs|nylon_pa6|peek|acrylic (free-form asks resolve to the closest supported stock); sheetmetal: mild_steel|aluminum_5052|stainless_304 (free-form — \"steel\", \"5052\", \"stainless\" resolve; unknown asks get closest-match offers). Omit to compare the defaults; laser_cut: acrylic|plywood|mdf|delrin|uhmw|hdpe|g10|carbon_fiber|mild_steel|aluminum_5052|stainless_304 (free-form — \"plexiglass\", \"birch\" resolve; unknown asks get closest-match offers); decal: vinyl|holographic|transparent|glitter (free-form — \"chrome\" etc. gets closest matches)"New value: +"ONLY a material the user actually asked for — NEVER guess or default one (a silent \"pla\" on a bare file drop prunes every maker that does not stock it; OMIT instead and each process quotes across its stocked materials so every maker can bid). fdm_print: pla|petg|asa (free-form — \"abs\", \"polycarbonate\" asks resolve to the closest stocked filament with a substitution note); resin_print: standard|tough|high_temp|high_detail resin (free-form asks resolve to the closest supported resin); powder_print: Powder-bed nylon: nylon_12|nylon_12_smooth|nylon_11|nylon_12_gf|nylon_12_esd|tpu (free-form — \"PA12\", \"glass filled\" resolve to the closest stocked powder); cnc: aluminum_6061|aluminum_7075|stainless_304|titanium|brass|acetal|delrin|abs|nylon_pa6|peek|acrylic (free-form asks resolve to the closest supported stock); sheetmetal: mild_steel|aluminum_5052|stainless_304 (free-form — \"steel\", \"5052\", \"stainless\" resolve; unknown asks get closest-match offers). Omit to compare the defaults; laser_cut: acrylic|plywood|mdf|delrin|uhmw|hdpe|g10|carbon_fiber|mild_steel|aluminum_5052|stainless_304 (free-form — \"plexiglass\", \"birch\" resolve; unknown asks get closest-match offers); decal: vinyl|holographic|transparent|glitter (free-form — \"chrome\" etc. gets closest matches)"

Previous value: -"fdm_print: Filament color for fdm_print (e.g. black, red); resin_print: Resin color for resin_print (e.g. gray, white, black); print: Print color ask (\"full color\", \"black and white\"). Vendors that only price full color note the substitution; apparel: Garment color for apparel (\"black\", \"heather gray\") — vendor-resolved"New value: +"fdm_print: Filament color for fdm_print (e.g. black, red); resin_print: Resin color for resin_print (e.g. gray, white, black); powder_print: Powder part color: raw gray/white, or a dye (\"black\", \"dark blue\") — vendor-resolved; print: Print color ask (\"full color\", \"black and white\"). Vendors that only price full color note the substitution; apparel: Garment color for apparel (\"black\", \"heather gray\") — vendor-resolved"

Previous value: -"fdm_print: pla|petg|asa (free-form — \"abs\", \"polycarbonate\" asks resolve to the closest stocked filament with a substitution note); resin_print: standard|tough|high_temp|high_detail resin (free-form asks resolve to the closest supported resin); cnc: aluminum_6061|aluminum_7075|stainless_304|titanium|brass|acetal|delrin|abs|nylon_pa6|peek|acrylic (free-form asks resolve to the closest supported stock); sheetmetal: mild_steel|aluminum_5052|stainless_304 (free-form — \"steel\", \"5052\", \"stainless\" resolve; unknown asks get closest-match offers). Omit to compare the defaults; laser_cut: acrylic|plywood|mdf|delrin|uhmw|hdpe|g10|carbon_fiber|mild_steel|aluminum_5052|stainless_304 (free-form — \"plexiglass\", \"birch\" resolve; unknown asks get closest-match offers); decal: vinyl|holographic|transparent|glitter (free-form — \"chrome\" etc. gets closest matches)"New value: +"fdm_print: pla|petg|asa (free-form — \"abs\", \"polycarbonate\" asks resolve to the closest stocked filament with a substitution note); resin_print: standard|tough|high_temp|high_detail resin (free-form asks resolve to the closest supported resin); powder_print: Powder-bed nylon: nylon_12|nylon_12_smooth|nylon_11|nylon_12_gf|nylon_12_esd|tpu (free-form — \"PA12\", \"glass filled\" resolve to the closest stocked powder); cnc: aluminum_6061|aluminum_7075|stainless_304|titanium|brass|acetal|delrin|abs|nylon_pa6|peek|acrylic (free-form asks resolve to the closest supported stock); sheetmetal: mild_steel|aluminum_5052|stainless_304 (free-form — \"steel\", \"5052\", \"stainless\" resolve; unknown asks get closest-match offers). Omit to compare the defaults; laser_cut: acrylic|plywood|mdf|delrin|uhmw|hdpe|g10|carbon_fiber|mild_steel|aluminum_5052|stainless_304 (free-form — \"plexiglass\", \"birch\" resolve; unknown asks get closest-match offers); decal: vinyl|holographic|transparent|glitter (free-form — \"chrome\" etc. gets closest matches)"

Added value: +{
+  "description": "Powder post-processing: as_printed (raw powder surface) | vapor_polished | polished",
+  "type": "string"
+}

Added value: +{
+  "description": "Powder process: mjf (HP Multi Jet Fusion) | sls (laser sintering). Omit to let the vendor pick its default lane for the material",
+  "type": "string"
+}

Previous value: -[
-  "fdm_print",
-  "resin_print",
-  "metal_print",
-  "cnc",
-  "sheetmetal",
-  "laser_cut",
-  "decal",
-  "print",
-  "apparel"
-]New value: +[
+  "fdm_print",
+  "resin_print",
+  "powder_print",
+  "metal_print",
+  "cnc",
+  "sheetmetal",
+  "laser_cut",
+  "decal",
+  "print",
+  "apparel"
+]

Added value: +{
+  "description": "Only these specific vendors/makers (\"just quote Slant 3D\") — an INCLUDE list of vendor names as they appear on offers. Friendly names accepted (\"A3D\", \"slant 3d\"); unmatched names are reported, never an error. Usually OMIT: pass it only when the user explicitly names the vendors they want",
+  "items": {
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 16,
+  "type": "array"
+}

Added value: +{
+  "description": "Only these specific vendors/makers (\"only show A3D Manufacturing\", \"just Slant 3D and Fictiv\") — an INCLUDE list of vendor names as they appear on offers. A CONSTRAINT like processes: other vendors' offers drop instantly (nothing re-prices), further refines inherit the filter, and [\"any\"] clears it to show every vendor again. Friendly names accepted (\"A3D\", \"slant 3d\"); unmatched names are reported, never an error. This is THE way to answer \"show me everything vendor X offers\" — the filtered quote lists that vendor's complete lineup",
+  "items": {
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 16,
+  "type": "array"
+}

Added value: +{
+  "description": "Only vendors that ship from these countries/regions (\"only US vendors\", \"keep it domestic\") — an INCLUDE list. Friendly terms accepted (\"US\", \"Europe\", \"Germany\", \"China\", \"UK\"); unmappable terms are reported, never an error. Vendors whose origin is unknown or whose network is worldwide (origin not guaranteed) are excluded, each with a note saying why. Usually OMIT: pass it only when the user explicitly limits where vendors ship from",
+  "items": {
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 8,
+  "type": "array"
+}

Added value: +{
+  "description": "Only vendors that ship from these countries/regions (\"only US vendors\", \"just European shops\", \"keep it domestic\") — an INCLUDE list naming where the user DOES want vendors from. A CONSTRAINT like processes: non-matching vendors drop instantly (nothing re-prices), further refines inherit the filter, and [\"any\"] clears it to show vendors everywhere again. Friendly terms accepted (\"US\", \"Europe\", \"Germany\", \"China\", \"UK\"). Vendors whose origin is unknown or whose network is worldwide (a specific origin cannot be guaranteed) are excluded, each with an honest note. For \"nothing from X\" asks, pass the regions the user does want instead",
+  "items": {
+    "minLength": 1,
+    "type": "string"
+  },
+  "maxItems": 8,
+  "type": "array"
+}

Added value: +{
+  "description": "New surface finish (\"powder coat\", \"anodized\", \"bead blasted\") — a spec change: finish-capable lanes (sheet metal, CNC, metal print) requote WITH it; 3D-print lanes have no coating step, so they ignore the finish but keep the COLOR. A colored finish ask (\"black powder coat\") should set BOTH finish and color, so every lane lands on the buyer's color",
+  "type": "string"
+}