Add custom nodes, Civitai loras (LFS), and vast.ai setup script

Includes 30 custom nodes committed directly, 7 Civitai-exclusive
loras stored via Git LFS, and a setup script that installs all
dependencies and downloads HuggingFace-hosted models on vast.ai.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

custom_nodes/ComfyMath/src/comfymath/int.py

@@ -0,0 +1,129 @@
+import math
+
+from typing import Any, Callable, Mapping
+
+DEFAULT_INT = ("INT", {"default": 0})
+
+INT_UNARY_OPERATIONS: Mapping[str, Callable[[int], int]] = {
+    "Abs": lambda a: abs(a),
+    "Neg": lambda a: -a,
+    "Inc": lambda a: a + 1,
+    "Dec": lambda a: a - 1,
+    "Sqr": lambda a: a * a,
+    "Cube": lambda a: a * a * a,
+    "Not": lambda a: ~a,
+    "Factorial": lambda a: math.factorial(a),
+}
+
+INT_UNARY_CONDITIONS: Mapping[str, Callable[[int], bool]] = {
+    "IsZero": lambda a: a == 0,
+    "IsNonZero": lambda a: a != 0,
+    "IsPositive": lambda a: a > 0,
+    "IsNegative": lambda a: a < 0,
+    "IsEven": lambda a: a % 2 == 0,
+    "IsOdd": lambda a: a % 2 == 1,
+}
+
+INT_BINARY_OPERATIONS: Mapping[str, Callable[[int, int], int]] = {
+    "Add": lambda a, b: a + b,
+    "Sub": lambda a, b: a - b,
+    "Mul": lambda a, b: a * b,
+    "Div": lambda a, b: a // b,
+    "Mod": lambda a, b: a % b,
+    "Pow": lambda a, b: a**b,
+    "And": lambda a, b: a & b,
+    "Nand": lambda a, b: ~a & b,
+    "Or": lambda a, b: a | b,
+    "Nor": lambda a, b: ~a & b,
+    "Xor": lambda a, b: a ^ b,
+    "Xnor": lambda a, b: ~a ^ b,
+    "Shl": lambda a, b: a << b,
+    "Shr": lambda a, b: a >> b,
+    "Max": lambda a, b: max(a, b),
+    "Min": lambda a, b: min(a, b),
+}
+
+INT_BINARY_CONDITIONS: Mapping[str, Callable[[int, int], bool]] = {
+    "Eq": lambda a, b: a == b,
+    "Neq": lambda a, b: a != b,
+    "Gt": lambda a, b: a > b,
+    "Lt": lambda a, b: a < b,
+    "Geq": lambda a, b: a >= b,
+    "Leq": lambda a, b: a <= b,
+}
+
+
+class IntUnaryOperation:
+    @classmethod
+    def INPUT_TYPES(cls) -> Mapping[str, Any]:
+        return {
+            "required": {"op": (list(INT_UNARY_OPERATIONS.keys()),), "a": DEFAULT_INT}
+        }
+
+    RETURN_TYPES = ("INT",)
+    FUNCTION = "op"
+    CATEGORY = "math/int"
+
+    def op(self, op: str, a: int) -> tuple[int]:
+        return (INT_UNARY_OPERATIONS[op](a),)
+
+
+class IntUnaryCondition:
+    @classmethod
+    def INPUT_TYPES(cls) -> Mapping[str, Any]:
+        return {
+            "required": {"op": (list(INT_UNARY_CONDITIONS.keys()),), "a": DEFAULT_INT}
+        }
+
+    RETURN_TYPES = ("BOOL",)
+    FUNCTION = "op"
+    CATEGORY = "math/int"
+
+    def op(self, op: str, a: int) -> tuple[bool]:
+        return (INT_UNARY_CONDITIONS[op](a),)
+
+
+class IntBinaryOperation:
+    @classmethod
+    def INPUT_TYPES(cls) -> Mapping[str, Any]:
+        return {
+            "required": {
+                "op": (list(INT_BINARY_OPERATIONS.keys()),),
+                "a": DEFAULT_INT,
+                "b": DEFAULT_INT,
+            }
+        }
+
+    RETURN_TYPES = ("INT",)
+    FUNCTION = "op"
+    CATEGORY = "math/int"
+
+    def op(self, op: str, a: int, b: int) -> tuple[int]:
+        return (INT_BINARY_OPERATIONS[op](a, b),)
+
+
+class IntBinaryCondition:
+    @classmethod
+    def INPUT_TYPES(cls) -> Mapping[str, Any]:
+        return {
+            "required": {
+                "op": (list(INT_BINARY_CONDITIONS.keys()),),
+                "a": DEFAULT_INT,
+                "b": DEFAULT_INT,
+            }
+        }
+
+    RETURN_TYPES = ("BOOL",)
+    FUNCTION = "op"
+    CATEGORY = "math/int"
+
+    def op(self, op: str, a: int, b: int) -> tuple[bool]:
+        return (INT_BINARY_CONDITIONS[op](a, b),)
+
+
+NODE_CLASS_MAPPINGS = {
+    "CM_IntUnaryOperation": IntUnaryOperation,
+    "CM_IntUnaryCondition": IntUnaryCondition,
+    "CM_IntBinaryOperation": IntBinaryOperation,
+    "CM_IntBinaryCondition": IntBinaryCondition,
+}