feat(read): compact resource read rendering

packages/coding-agent/test/tool-execution-component.test.ts

@@ -1,7 +1,9 @@
+import { join } from "node:path";
 import { Text, type TUI } from "@mariozechner/pi-tui";
 import stripAnsi from "strip-ansi";
 import { Type } from "typebox";
 import { beforeAll, describe, expect, test } from "vitest";
+import { getReadmePath } from "../src/config.js";
 import type { ToolDefinition } from "../src/core/extensions/types.js";
 import { type BashOperations, createBashToolDefinition } from "../src/core/tools/bash.js";
 import { createReadTool, createReadToolDefinition } from "../src/core/tools/read.js";
@@ -145,7 +147,7 @@ describe("ToolExecutionComponent parity", () => {
 		const component = new ToolExecutionComponent(
 			"read",
 			"tool-4b",
-			{ path: "README.md" },
+			{ path: "notes.txt" },
 			{},
 			overrideDefinition,
 			createFakeTui(),
@@ -313,7 +315,7 @@ describe("ToolExecutionComponent parity", () => {
 		const component = new ToolExecutionComponent(
 			"read",
 			"tool-8",
-			{ path: "README.md" },
+			{ path: "notes.txt" },
 			{},
 			createReadToolDefinition(process.cwd()),
 			createFakeTui(),
@@ -328,4 +330,58 @@ describe("ToolExecutionComponent parity", () => {
 		expect(rendered).toContain("two");
 		expect(rendered).not.toContain("two\n\n");
 	});
+
+	for (const scenario of [
+		{
+			title: "SKILL.md",
+			path: join(process.cwd(), "attio", "SKILL.md"),
+			content: "---\nname: attio\ndescription: CRM helper\n---\n\n# Hidden skill instructions",
+			compact: "[skill] attio",
+			hidden: "Hidden skill instructions",
+			absent: "read skill attio",
+		},
+		{
+			title: "AGENTS.md",
+			path: join(process.cwd(), "AGENTS.md"),
+			content: "Hidden resource instructions",
+			compact: "read resource AGENTS.md",
+			hidden: "Hidden resource instructions",
+			absent: undefined,
+		},
+		{
+			title: "Pi documentation",
+			path: getReadmePath(),
+			content: "Hidden docs content",
+			compact: "read docs README.md",
+			hidden: "Hidden docs content",
+			absent: undefined,
+		},
+	] as const) {
+		test(`renders ${scenario.title} read results compactly until expanded`, () => {
+			const component = new ToolExecutionComponent(
+				"read",
+				`tool-compact-${scenario.title}`,
+				{ path: scenario.path },
+				{},
+				createReadToolDefinition(process.cwd()),
+				createFakeTui(),
+				process.cwd(),
+			);
+			component.updateResult(
+				{ content: [{ type: "text", text: scenario.content }], details: undefined, isError: false },
+				false,
+			);
+
+			const collapsed = stripAnsi(component.render(120).join("\n"));
+			expect(collapsed).toContain(scenario.compact);
+			expect(collapsed).not.toContain(scenario.hidden);
+			if (scenario.absent) {
+				expect(collapsed).not.toContain(scenario.absent);
+			}
+
+			component.setExpanded(true);
+			const expanded = stripAnsi(component.render(120).join("\n"));
+			expect(expanded).toContain(scenario.hidden);
+		});
+	}
 });