import { useEffect, useMemo, useRef, useState } from "react";import { useAtomValue } from "@effect/atom-react";import * as AsyncResult from "effect/unstable/reactivity/AsyncResult";import { toolSchemaAtom } from "../api/atoms";import {  type ToolAddress,  type EffectivePolicy,  type ToolPolicyAction,  type Connection,  type ConnectionName,  type IntegrationSlug,} from "@executor-js/sdk/shared";import { Badge } from "./badge";import { Button } from "./button";import {  DropdownMenu,  DropdownMenuContent,  DropdownMenuItem,  DropdownMenuLabel,  DropdownMenuSeparator,  DropdownMenuTrigger,} from "./dropdown-menu";import { Markdown } from "./markdown";import { SchemaExplorer } from "./schema-explorer";import { ExpandableCodeBlock } from "./expandable-code-block";import { ToolRunPanel } from "./tool-run-panel";import { CardStack, CardStackHeader, CardStackContent } from "./card-stack";import { CopyButton } from "./copy-button";import { ChevronRight, ChevronDownIcon } from "lucide-react";import { cn } from "../lib/utils";import { toPolicyPattern } from "../lib/policy-pattern";import { trackEvent } from "../api/analytics";import {  POLICY_ACTION_LABEL,  POLICY_ACTIONS_IN_ORDER,  POLICY_BADGE_VARIANT,  POLICY_STATE_LABEL,} from "../lib/policy-display"; // Render the effective policy as a badge. User policies show the// matched pattern; plugin defaults read "Default: <action>". Silent for// the always-run plugin default — that's the safe state and the// header would just be noise.const policyBadgeFor = (policy: EffectivePolicy) => {  if (policy.source === "plugin-default" && policy.action === "approve") {    return null;  }  if (policy.source === "user") {    return {      variant: POLICY_BADGE_VARIANT[policy.action],      title: `Matched policy: ${policy.pattern}`,      text: `${POLICY_STATE_LABEL[policy.action]} · ${policy.pattern}`,      className: "font-mono text-[10px]",    };  }  return {    variant: "outline" as const,    title: "No matching policy — plugin default applies",    text: `Default: ${POLICY_STATE_LABEL[policy.action]}`,    className: "text-[10px] text-muted-foreground",  };}; function EmptySection(props: { title: string; message: string }) {  return (    <CardStack>      <CardStackHeader>{props.title}</CardStackHeader>      <CardStackContent>        <p className="px-4 py-3 text-sm text-muted-foreground">{props.message}</p>      </CardStackContent>    </CardStack>  );} function ToolDescription(props: { description: string }) {  const { description } = props;  const contentRef = useRef<HTMLDivElement>(null);  const [expanded, setExpanded] = useState(false);  const [canExpand, setCanExpand] = useState(    description.length > 160 || description.includes("\n"),  );   useEffect(() => {    setExpanded(false);    setCanExpand(description.length > 160 || description.includes("\n"));  }, [description]);   useEffect(() => {    if (expanded) return;     const element = contentRef.current;    if (!element) return;     const measure = () => {      setCanExpand(        element.scrollHeight > element.clientHeight + 1 ||          description.length > 160 ||          description.includes("\n"),      );    };     measure();    const win = element.ownerDocument.defaultView;    win?.addEventListener("resize", measure);    return () => win?.removeEventListener("resize", measure);  }, [description, expanded]);   return (    <div className="mt-1.5 max-w-2xl">      <div        ref={contentRef}        className={cn("text-sm text-muted-foreground", !expanded && "line-clamp-2")}      >        <Markdown>{description}</Markdown>      </div>      {canExpand && (        <Button          type="button"          variant="ghost"          size="xs"          aria-expanded={expanded}          className="mt-1 h-6 px-1.5 text-xs text-muted-foreground hover:text-foreground"          onClick={() => setExpanded((current) => !current)}        >          <ChevronDownIcon            aria-hidden            className={cn("size-3 transition-transform", expanded && "rotate-180")}          />          {expanded ? "Show less" : "Show more"}        </Button>      )}    </div>  );} // ---------------------------------------------------------------------------// Helpers// --------------------------------------------------------------------------- const friendlyName = (name: string): string => {  const leaf = name.split(".").pop() ?? name;  return leaf    .replace(/([a-z])([A-Z])/g, "$1 $2")    .replace(/[_.-]/g, " ")    .replace(/\b\w/g, (c) => c.toUpperCase());}; const breadcrumbParts = (name: string): string[] =>  name.split(".").map((p) =>    p      .replace(/([a-z])([A-Z])/g, "$1 $2")      .replace(/[_-]/g, " ")      .replace(/\b\w/g, (c) => c.toUpperCase()),  ); // ---------------------------------------------------------------------------// ToolDetail// --------------------------------------------------------------------------- export function ToolDetail(props: {  /** Full per-connection tool address `tools.<int>.<owner>.<conn>.<tool>`. */  address: ToolAddress;  /** Policy id `<integration>.<tool>` — the tree path and display value. */  toolName: string;  /** True for plugin-contributed static tools (policy-matched on their   *  address verbatim, not the connection-wildcarded pattern). */  staticTool?: boolean;  /** Resolved effective policy — user-authored or plugin-default,   *  unified into one shape. Surfaces in the header. */  policy?: EffectivePolicy;  /** When provided, the policy badge becomes a dropdown trigger that   *  applies a user rule to this tool's exact id. */  onSetPolicy?: (pattern: string, action: ToolPolicyAction) => void;  onClearPolicy?: (pattern: string, policyId?: string) => void;  patternForDisplay?: (displayPattern: string) => string;  /** Run-tab wiring. When `integration` + `runToolName` are provided, a third   *  "Run" tab hosts the per-connection tool tester. */  integration?: IntegrationSlug;  /** Bare `<tool>` address segment (may contain dots) for the Run tab. */  runToolName?: string;  /** This integration's connections across both owners. */  connections?: readonly Connection[];  /** Pre-select this connection in the Run tab (the selected tool's account). */  initialConnectionName?: ConnectionName | string | null;}) {  const toolContract = useAtomValue(toolSchemaAtom(props.address));  const [tab, setTab] = useState<"schema" | "typescript" | "run">("schema");  const canRun = props.integration != null && props.runToolName != null;  // Don't strand the user on the Run tab when this ToolDetail has no run wiring.  const activeTab = tab === "run" && !canRun ? "schema" : tab;  const isBlocked = props.policy?.action === "block";   const data = useMemo(() => {    if (!AsyncResult.isSuccess(toolContract)) return null;    const v = toolContract.value;    const definitions = Object.entries(v.typeScriptDefinitions ?? {}).map(([name, body]) => ({      name,      code: String(body),    }));     return {      description: v.description,      inputSchema: v.inputSchema,      outputSchema: v.outputSchema,      schemaDefinitions: v.schemaDefinitions,      inputTypeScript: v.inputTypeScript ? `type Input = ${v.inputTypeScript}` : null,      outputTypeScript: v.outputTypeScript ? `type Output = ${v.outputTypeScript}` : null,      definitions,    };  }, [toolContract]);   const crumbs = breadcrumbParts(props.toolName);  const displayName = friendlyName(props.toolName);   return (    <div className="flex h-full flex-col overflow-hidden">      {/* Header + tabs */}      <div className="shrink-0 border-b border-border/40">        <div className="px-5 pt-4 pb-0">          {crumbs.length > 1 && (            <div className="flex items-center gap-1 text-sm text-muted-foreground">              {crumbs.slice(0, -1).map((part, i) => (                <span key={i} className="flex items-center gap-1">                  {i > 0 && <ChevronRight className="size-3 shrink-0" />}                  <span>{part}</span>                </span>              ))}            </div>          )}          <div className="mt-1 flex items-center gap-2">            <h3 className="text-base font-semibold text-foreground truncate">{displayName}</h3>            <CopyButton              value={String(props.address)}              label="Copy tool ID"              onCopy={() => {                const nameParts = props.toolName.split(".");                trackEvent("tool_id_copied", {                  integration_slug: nameParts[0] ?? props.toolName,                  tool_name: nameParts.slice(1).join(".") || props.toolName,                });              }}            />            <PolicyBadgeMenu              toolName={props.toolName}              staticTool={props.staticTool}              policy={props.policy}              onSetPolicy={props.onSetPolicy}              onClearPolicy={props.onClearPolicy}              patternForDisplay={props.patternForDisplay}            />          </div>          {data?.description && <ToolDescription description={data.description} />}           {/* Tabs */}          <div className="mt-3 flex gap-4" role="tablist">            <Button              variant="ghost"              role="tab"              aria-selected={activeTab === "schema"}              onClick={() => setTab("schema")}              className={[                "border-b-2 pb-2.5 text-sm font-medium transition-colors rounded-none",                activeTab === "schema"                  ? "border-primary text-foreground"                  : "border-transparent text-muted-foreground hover:text-foreground",              ].join(" ")}            >              Schema            </Button>            <Button              variant="ghost"              role="tab"              aria-selected={activeTab === "typescript"}              onClick={() => setTab("typescript")}              className={[                "border-b-2 pb-2.5 text-sm font-medium transition-colors rounded-none",                activeTab === "typescript"                  ? "border-primary text-foreground"                  : "border-transparent text-muted-foreground hover:text-foreground",              ].join(" ")}            >              TypeScript            </Button>            {canRun && (              <Button                variant="ghost"                role="tab"                aria-selected={activeTab === "run"}                onClick={() => setTab("run")}                className={[                  "border-b-2 pb-2.5 text-sm font-medium transition-colors rounded-none",                  activeTab === "run"                    ? "border-primary text-foreground"                    : "border-transparent text-muted-foreground hover:text-foreground",                ].join(" ")}              >                Run              </Button>            )}          </div>        </div>      </div>       {/* Content */}      <div className="flex-1 overflow-y-auto">        {isBlocked ? (          <div className="px-5 py-5">            <EmptySection              title="Blocked"              message="This tool is not available through the current toolkit."            />          </div>        ) : (          AsyncResult.match(toolContract, {            onInitial: () => <div className="p-5 text-sm text-muted-foreground">Loading…</div>,            onFailure: () => (              <div className="p-5 text-sm text-destructive">Something went wrong</div>            ),            onSuccess: () =>              activeTab === "run" && props.integration && props.runToolName ? (                <div className="px-5 py-5">                  <ToolRunPanel                    integration={props.integration}                    toolName={props.runToolName}                    connections={props.connections ?? []}                    initialConnectionName={props.initialConnectionName}                  />                </div>              ) : activeTab === "schema" ? (                <div className="px-5 py-5 space-y-5">                  {data?.inputSchema ? (                    <SchemaExplorer                      schema={data.inputSchema}                      schemaDefinitions={data.schemaDefinitions}                      title="Parameters"                    />                  ) : (                    <EmptySection title="Parameters" message="None" />                  )}                  {data?.outputSchema ? (                    <SchemaExplorer                      schema={data.outputSchema}                      schemaDefinitions={data.schemaDefinitions}                      title="Response"                    />                  ) : (                    <EmptySection title="Response" message="None" />                  )}                </div>              ) : (                <ToolTypeScriptPanel                  inputTypeScript={data?.inputTypeScript ?? null}                  outputTypeScript={data?.outputTypeScript ?? null}                  definitions={data?.definitions ?? []}                />              ),          })        )}      </div>    </div>  );} function ToolTypeScriptPanel(props: {  inputTypeScript: string | null;  outputTypeScript: string | null;  definitions: ReadonlyArray<{ name: string; code: string }>;}) {  return (    <div className="px-5 py-5 space-y-5">      {props.inputTypeScript ? (        <CardStack>          <CardStackHeader>Input</CardStackHeader>          <CardStackContent>            <ExpandableCodeBlock              code={props.inputTypeScript}              definitions={props.definitions}              className="rounded-none border-0"            />          </CardStackContent>        </CardStack>      ) : (        <EmptySection title="Input" message="void" />      )}      {props.outputTypeScript ? (        <CardStack>          <CardStackHeader>Output</CardStackHeader>          <CardStackContent>            <ExpandableCodeBlock              code={props.outputTypeScript}              definitions={props.definitions}              className="rounded-none border-0"            />          </CardStackContent>        </CardStack>      ) : (        <EmptySection title="Output" message="void" />      )}    </div>  );} // ---------------------------------------------------------------------------// PolicyBadgeMenu — clickable header badge that opens the same// Always run / Require approval / Block / Clear menu the tree row uses.// Falls back to a plain Badge when no actions are provided.// --------------------------------------------------------------------------- function PolicyBadgeMenu(props: {  toolName: string;  /** Static (plugin-contributed) tools are policy-matched on their full   *  address verbatim; dynamic tools on the connection-wildcarded form. */  staticTool?: boolean;  policy?: EffectivePolicy;  onSetPolicy?: (pattern: string, action: ToolPolicyAction) => void;  onClearPolicy?: (pattern: string, policyId?: string) => void;  patternForDisplay?: (displayPattern: string) => string;}) {  const interactive = !!props.onSetPolicy;  // The same pattern bridge the tree rows apply — the pattern WRITTEN and the  // pattern LOOKED UP must be the same string, or the menu authors rules that  // never match and can't see its own rule afterward.  const pattern = props.staticTool    ? props.toolName    : (props.patternForDisplay ?? toPolicyPattern)(props.toolName);  // The "Clear" affordance only makes sense when there's a user rule  // pinned to this exact tool id — clearing a wildcard rule from a  // single tool's detail header would silently affect siblings.  const hasExactUserRule = props.policy?.source === "user" && props.policy.pattern === pattern;  const currentAction = hasExactUserRule ? props.policy?.action : undefined;   if (!interactive) {    if (!props.policy) return null;    const badge = policyBadgeFor(props.policy);    if (!badge) return null;    return (      <Badge variant={badge.variant} title={badge.title} className={badge.className}>        {badge.text}      </Badge>    );  }   // Interactive trigger always renders, even when the effective policy  // would otherwise be "silent" (auto-approve plugin-default), so the  // user can click it to override.  const badge = props.policy ? policyBadgeFor(props.policy) : null;  const triggerLabel = badge?.text ?? "Set policy";  const triggerVariant = badge?.variant ?? "outline";  const triggerTitle = badge?.title ?? "Set policy";  const triggerClassName = badge?.className ?? "text-[10px] text-muted-foreground";   return (    <DropdownMenu>      <DropdownMenuTrigger asChild>        <Button          variant="ghost"          aria-label={triggerTitle}          className="h-auto rounded-none p-0 hover:bg-transparent"        >          <Badge            variant={triggerVariant}            title={triggerTitle}            className={cn(              triggerClassName,              "cursor-pointer gap-1 pr-1.5 transition-opacity hover:opacity-80",            )}          >            {triggerLabel}            <ChevronDownIcon aria-hidden className="size-3 opacity-70" />          </Badge>        </Button>      </DropdownMenuTrigger>      <DropdownMenuContent align="start">        <DropdownMenuLabel className="font-mono text-xs">{pattern}</DropdownMenuLabel>        <DropdownMenuSeparator />        {POLICY_ACTIONS_IN_ORDER.map((action) => (          <DropdownMenuItem key={action} onSelect={() => props.onSetPolicy?.(pattern, action)}>            <span className="flex-1">{POLICY_ACTION_LABEL[action]}</span>            {currentAction === action && (              <span aria-hidden className="text-muted-foreground">                ✓              </span>            )}          </DropdownMenuItem>        ))}        {hasExactUserRule && props.onClearPolicy && (          <>            <DropdownMenuSeparator />            <DropdownMenuItem              // Pass the resolved rule's id: right after this menu authored              // the rule, the policies list may still be mid-refresh, and a              // pattern-only lookup there would silently no-op the clear.              onSelect={() => props.onClearPolicy?.(pattern, props.policy?.policyId)}              className="text-muted-foreground"            >              Clear            </DropdownMenuItem>          </>        )}      </DropdownMenuContent>

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