feat: add pi extension (#1)
This commit is contained in:
Hannes
@@ -0,0 +1,119 @@
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import assert from "node:assert/strict";
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import { mkdtempSync, rmSync } from "node:fs";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import test from "node:test";
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import ponytailExtension from "../index.js";
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function createPiHarness() {
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const events = new Map();
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const commands = new Map();
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const appendedEntries = [];
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const sentUserMessages = [];
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const pi = {
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on(eventName, handler) {
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events.set(eventName, handler);
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},
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registerCommand(name, options) {
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commands.set(name, options);
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},
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appendEntry(customType, data) {
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appendedEntries.push({ customType, data });
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},
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sendUserMessage(text, options) {
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sentUserMessages.push({ text, options });
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},
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};
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ponytailExtension(pi);
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return { events, commands, appendedEntries, sentUserMessages };
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}
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function createCommandContext(overrides = {}) {
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return {
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isIdle: () => true,
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sessionManager: { getEntries: () => [] },
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ui: { notify() {} },
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...overrides,
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};
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}
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function withTempConfig(fn) {
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const tempConfigHome = mkdtempSync(join(tmpdir(), "ponytail-test-"));
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const previousXdg = process.env.XDG_CONFIG_HOME;
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process.env.XDG_CONFIG_HOME = tempConfigHome;
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return Promise.resolve()
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.then(fn)
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.finally(() => {
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if (previousXdg === undefined) delete process.env.XDG_CONFIG_HOME;
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else process.env.XDG_CONFIG_HOME = previousXdg;
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rmSync(tempConfigHome, { recursive: true, force: true });
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});
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}
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test("extension registers Ponytail commands", () => {
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const { commands } = createPiHarness();
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assert.deepEqual([...commands.keys()].sort(), ["ponytail", "ponytail-help", "ponytail-review"]);
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});
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test("/ponytail updates session mode and injects instructions", async () => withTempConfig(async () => {
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const { commands, events, appendedEntries } = createPiHarness();
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const ctx = createCommandContext();
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await events.get("session_start")({ reason: "startup" }, ctx);
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await commands.get("ponytail").handler("ultra", ctx);
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assert.deepEqual(appendedEntries.at(-1), {
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customType: "ponytail-mode",
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data: { mode: "ultra" },
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});
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const result = await events.get("before_agent_start")({ systemPrompt: "BASE" }, ctx);
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assert.ok(result.systemPrompt.includes("PONYTAIL MODE ACTIVE"));
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assert.ok(result.systemPrompt.includes("ultra"));
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}));
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test("session_start restores latest persisted mode", async () => withTempConfig(async () => {
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const { events } = createPiHarness();
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const ctx = createCommandContext({
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sessionManager: {
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getEntries: () => [
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{ type: "custom", customType: "ponytail-mode", data: { mode: "lite" } },
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],
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},
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});
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await events.get("session_start")({ reason: "resume" }, ctx);
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const result = await events.get("before_agent_start")({ systemPrompt: "BASE" }, ctx);
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assert.ok(result.systemPrompt.includes("lite"));
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}));
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test("skill alias commands delegate to Pi skill commands", async () => {
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const { commands, sentUserMessages } = createPiHarness();
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const ctx = createCommandContext();
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await commands.get("ponytail-review").handler("", ctx);
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await commands.get("ponytail-help").handler("", ctx);
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assert.deepEqual(sentUserMessages.map((entry) => entry.text), [
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"/skill:ponytail-review",
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"/skill:ponytail-help",
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]);
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});
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test("normal mode disables persistent instructions", async () => withTempConfig(async () => {
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const { commands, events } = createPiHarness();
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const ctx = createCommandContext();
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await events.get("session_start")({ reason: "startup" }, ctx);
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await commands.get("ponytail").handler("ultra", ctx);
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await events.get("input")({ text: "normal mode", source: "interactive" }, ctx);
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const disabled = await events.get("before_agent_start")({ systemPrompt: "BASE" }, ctx);
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assert.equal(disabled, undefined);
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}));
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@@ -0,0 +1,68 @@
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import assert from "node:assert/strict";
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import { existsSync, mkdtempSync, readFileSync, rmSync } from "node:fs";
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import { tmpdir } from "node:os";
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import { join } from "node:path";
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import test from "node:test";
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import {
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filterSkillBodyForMode,
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parsePonytailCommand,
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readDefaultMode,
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resolveSessionMode,
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writeDefaultMode,
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} from "../index.js";
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test("parsePonytailCommand falls back to full when invoked bare and default is off", () => {
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assert.deepEqual(parsePonytailCommand("", "off"), { type: "set-mode", mode: "full" });
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});
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test("parsePonytailCommand parses modes, status, and default subcommand", () => {
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assert.deepEqual(parsePonytailCommand("ultra", "full"), { type: "set-mode", mode: "ultra" });
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assert.deepEqual(parsePonytailCommand("status", "full"), { type: "status" });
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assert.deepEqual(parsePonytailCommand("default lite", "full"), { type: "set-default", mode: "lite" });
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});
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test("resolveSessionMode prefers latest persisted session mode", () => {
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const entries = [
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{ type: "custom", customType: "ponytail-mode", data: { mode: "lite" } },
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{ type: "custom", customType: "ponytail-mode", data: { mode: "ultra" } },
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];
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assert.equal(resolveSessionMode(entries, "full"), "ultra");
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});
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test("readDefaultMode and writeDefaultMode use XDG config path", () => {
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const tempDir = mkdtempSync(join(tmpdir(), "ponytail-config-"));
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const previousXdg = process.env.XDG_CONFIG_HOME;
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const previousDefault = process.env.PONYTAIL_DEFAULT_MODE;
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const configPath = join(tempDir, "ponytail", "config.json");
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process.env.XDG_CONFIG_HOME = tempDir;
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delete process.env.PONYTAIL_DEFAULT_MODE;
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try {
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assert.equal(readDefaultMode(), "full");
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assert.equal(writeDefaultMode("ultra"), "ultra");
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assert.equal(readDefaultMode(), "ultra");
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assert.ok(existsSync(configPath));
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assert.deepEqual(JSON.parse(readFileSync(configPath, "utf8")), { defaultMode: "ultra" });
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} finally {
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if (previousXdg === undefined) delete process.env.XDG_CONFIG_HOME;
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else process.env.XDG_CONFIG_HOME = previousXdg;
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if (previousDefault === undefined) delete process.env.PONYTAIL_DEFAULT_MODE;
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else process.env.PONYTAIL_DEFAULT_MODE = previousDefault;
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rmSync(tempDir, { recursive: true, force: true });
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}
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});
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test("filterSkillBodyForMode keeps only requested intensity examples and rows", () => {
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const body = `---\nname: ponytail\n---\n| **lite** | keep lite |\n| **full** | keep full |\n| **ultra** | keep ultra |\n- lite: Lite example\n- full: Full example\n- ultra: Ultra example\nOther line`;
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const filtered = filterSkillBodyForMode(body, "ultra");
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assert.ok(!filtered.includes("keep lite"));
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assert.ok(!filtered.includes("keep full"));
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assert.ok(filtered.includes("keep ultra"));
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assert.ok(!filtered.includes("Lite example"));
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assert.ok(filtered.includes("Ultra example"));
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assert.ok(filtered.includes("Other line"));
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});
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