Initialize catalog structure and product schema

README.md

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+# RoundCount Catalog
+
+RoundCount Catalog is a machine-readable ammunition product database for the RoundCount inventory system.
+
+The catalog stores reusable product information such as:
+
+- UPC
+- Manufacturer SKU
+- Manufacturer
+- Brand
+- Product name
+- Caliber
+- Bullet weight and type
+- Case material
+- Package quantity
+- Ballistic information
+- Product images
+- Source and verification information
+
+Personal inventory information such as quantities, purchase prices, storage locations, and lot numbers does not belong in this repository.
+
+## Repository Structure
+
+```text
+schema/
+    JSON schemas used to validate catalog records
+
+catalog/
+    Individual ammunition product records
+
+images/
+    Product images organized by manufacturer
+
+indexes/
+    Generated UPC, SKU, and manufacturer indexes
+
+exports/
+    Generated combined catalog downloads
+
+docs/
+    Catalog documentation and contribution guides
+
+tools/
+    Validation, indexing, and export scripts
+EFO

docs/field-reference.md

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+# Catalog Field Reference
+
+## Required Fields
+
+### `catalog_version`
+
+Catalog record format version.
+
+Current value:
+
+```json
+1
+
+Create a `.gitignore`:
+
+```bash
+cat > .gitignore <<'EOF'
+# Generated exports
+/exports/*
+!/exports/.gitkeep
+
+# Generated indexes
+/indexes/*
+!/indexes/.gitkeep
+
+# Local and temporary files
+*.tmp
+*.bak
+*.log
+.DS_Store
+Thumbs.db
+.vscode/
+.idea/

schema/product.schema.json

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+{
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+  "$id": "https://git.ddr4.net/dragon757/RoundCount-Catalog/raw/branch/main/schema/product.schema.json",
+  "title": "RoundCount Ammunition Product",
+  "description": "Schema for an ammunition product in the RoundCount Catalog.",
+  "type": "object",
+  "additionalProperties": false,
+  "required": [
+    "catalog_version",
+    "record_uuid",
+    "manufacturer",
+    "product_name",
+    "caliber",
+    "status",
+    "last_updated"
+  ],
+  "properties": {
+    "catalog_version": {
+      "type": "integer",
+      "const": 1
+    },
+    "record_uuid": {
+      "type": "string",
+      "format": "uuid"
+    },
+    "upc": {
+      "type": [
+        "string",
+        "null"
+      ],
+      "pattern": "^[0-9]{8,14}$"
+    },
+    "sku": {
+      "type": [
+        "string",
+        "null"
+      ],
+      "maxLength": 100
+    },
+    "manufacturer": {
+      "type": "string",
+      "minLength": 1,
+      "maxLength": 150
+    },
+    "brand": {
+      "type": [
+        "string",
+        "null"
+      ],
+      "maxLength": 150
+    },
+    "product_name": {
+      "type": "string",
+      "minLength": 1,
+      "maxLength": 200
+    },
+    "caliber": {
+      "type": "string",
+      "minLength": 1,
+      "maxLength": 100
+    },
+    "bullet": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "weight_gr": {
+          "type": [
+            "number",
+            "null"
+          ],
+          "minimum": 0
+        },
+        "type": {
+          "type": [
+            "string",
+            "null"
+          ],
+          "maxLength": 100
+        },
+        "material": {
+          "type": [
+            "string",
+            "null"
+          ],
+          "maxLength": 100
+        }
+      }
+    },
+    "case": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "material": {
+          "type": [
+            "string",
+            "null"
+          ],
+          "maxLength": 100
+        },
+        "reloadable": {
+          "type": [
+            "boolean",
+            "null"
+          ]
+        }
+      }
+    },
+    "primer": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "type": {
+          "type": [
+            "string",
+            "null"
+          ],
+          "maxLength": 100
+        },
+        "sealed": {
+          "type": [
+            "boolean",
+            "null"
+          ]
+        }
+      }
+    },
+    "package": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "rounds_per_box": {
+          "type": [
+            "integer",
+            "null"
+          ],
+          "minimum": 1
+        },
+        "boxes_per_case": {
+          "type": [
+            "integer",
+            "null"
+          ],
+          "minimum": 1
+        }
+      }
+    },
+    "ballistics": {
+      "type": "object",
+      "additionalProperties": false,
+      "properties": {
+        "muzzle_velocity_fps": {
+          "type": [
+            "integer",
+            "null"
+          ],
+          "minimum": 0
+        },
+        "muzzle_energy_ft_lbs": {
+          "type": [
+            "integer",
+            "null"
+          ],
+          "minimum": 0
+        },
+        "test_barrel_length_in": {
+          "type": [
+            "number",
+            "null"
+          ],
+          "minimum": 0
+        }
+      }
+    },
+    "image": {
+      "type": [
+        "object",
+        "null"
+      ],
+      "additionalProperties": false,
+      "properties": {
+        "path": {
+          "type": [
+            "string",
+            "null"
+          ]
+        },
+        "sha256": {
+          "type": [
+            "string",
+            "null"
+          ],
+          "pattern": "^[a-fA-F0-9]{64}$"
+        }
+      }
+    },
+    "sources": {
+      "type": "array",
+      "items": {
+        "type": "object",
+        "additionalProperties": false,
+        "required": [
+          "url",
+          "type",
+          "verified_at"
+        ],
+        "properties": {
+          "url": {
+            "type": "string",
+            "format": "uri"
+          },
+          "type": {
+            "type": "string",
+            "enum": [
+              "manufacturer",
+              "distributor",
+              "retailer",
+              "packaging",
+              "other"
+            ]
+          },
+          "verified_at": {
+            "type": "string",
+            "format": "date"
+          }
+        }
+      }
+    },
+    "status": {
+      "type": "string",
+      "enum": [
+        "draft",
+        "unverified",
+        "verified",
+        "discontinued",
+        "duplicate"
+      ]
+    },
+    "last_updated": {
+      "type": "string",
+      "format": "date"
+    }
+  }
+}