refactor: rename inspect to replay across the codebase

Renames inspect-ui/ to replay-ui/, internal/inspect/ to internal/replay/,
the CLI subcommand from `sanderling inspect` to `sanderling replay`, and
updates all references in docs, Makefile, README, and Go comments.

replay-ui/src/components/ResidualNode.tsx

@@ -0,0 +1,88 @@
+import type { ResidualNode } from "../types";
+import "./ResidualNode.css";
+
+export interface ResidualNodeProps {
+  node: ResidualNode;
+}
+
+function OperatorLabel({ children }: { children: string }) {
+  return <span className="op-label">{children}</span>;
+}
+
+function Wrapped({ node }: { node: ResidualNode }) {
+  return (
+    <span className="residual-group">
+      (<ResidualNodeView node={node} />)
+    </span>
+  );
+}
+
+function ResidualNodeView({ node }: ResidualNodeProps) {
+  switch (node.op) {
+    case "true":
+      return <span className="residual-leaf">true</span>;
+    case "false":
+      return <span className="residual-leaf">false</span>;
+    case "predicate":
+      return (
+        <span className="residual-leaf">
+          <OperatorLabel>pred</OperatorLabel>
+          {node.name ? <>({node.name})</> : null}
+        </span>
+      );
+    case "error":
+      return (
+        <span className="residual-error" role="status">
+          <OperatorLabel>error</OperatorLabel>
+          <span className="residual-error-message">{node.message}</span>
+        </span>
+      );
+    case "always":
+    case "now":
+    case "next":
+    case "not":
+      return (
+        <span className="residual-unary">
+          <OperatorLabel>{node.op}</OperatorLabel>
+          <Wrapped node={node.arg} />
+        </span>
+      );
+    case "eventually":
+      return (
+        <span className="residual-unary">
+          <OperatorLabel>eventually</OperatorLabel>
+          {node.within ? (
+            <span className="residual-bound">
+              within {node.within.amount} {node.within.unit}
+            </span>
+          ) : null}
+          <Wrapped node={node.arg} />
+        </span>
+      );
+    case "and":
+    case "or":
+      return (
+        <span className="residual-binary">
+          <Wrapped node={node.left} />
+          <OperatorLabel>{node.op}</OperatorLabel>
+          <Wrapped node={node.right} />
+        </span>
+      );
+    case "implies":
+      return (
+        <span className="residual-binary">
+          <Wrapped node={node.left} />
+          <OperatorLabel>{"=>"}</OperatorLabel>
+          <Wrapped node={node.right} />
+        </span>
+      );
+  }
+}
+
+export default function ResidualNodeRoot({ node }: ResidualNodeProps) {
+  return (
+    <span className="residual">
+      <ResidualNodeView node={node} />
+    </span>
+  );
+}