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DavidQ
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Add named session library (save/load/delete) in Workspace V2 with executable validation - PR 11.217
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‎docs/dev/reports/PR_11_217_report.md‎

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# PR_11_217 Report — V2 Save/Load Named Sessions (Workspace Library)
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## Save/Load/Delete Behavior
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Implemented a named session library in `workspace-v2` backed by localStorage key:
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- `v2-session-library`
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Library structure:
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- `{ "<name>": { ...payload } }`
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### Save
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- Requires non-empty session name.
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- Requires valid current payload object.
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- Non-overwrite save path is explicit:
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- if name exists, save is rejected with explicit message
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- user must use `Overwrite Session` action to replace existing entry
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- Writes library back to localStorage and refreshes visible list.
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### Load
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- Requires non-empty session name and selected tool.
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- Reads payload by name from library.
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- Validates payload.
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- Generates new `hostContextId`.
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- Writes to `sessionStorage[hostContextId]`.
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- Sets loaded payload as current session and updates JSON view/status.
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### Delete
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- Requires non-empty session name.
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- Removes named entry from library.
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- Updates visible list and empty state.
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### Empty State
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- Visible library empty state text shown when no saved sessions exist.
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## Validation Results
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Commands run:
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1. `node --check tests/runtime/V2SessionLibrary.test.mjs`
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- Result: **PASS**
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2. `node tests/runtime/V2SessionLibrary.test.mjs`
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- Result: **PASS**
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3. `node --check tools/workspace-v2/index.js`
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- Result: **PASS**
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Runtime output:
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- `tmp/v2-session-library-results.json`
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- failures: `0`
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Runtime test coverage:
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1. Create sample payload.
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2. Save under name and verify localStorage entry.
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3. Simulate load:
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- new hostContextId assigned
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- sessionStorage populated
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4. Delete session and verify removal.
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5. Verify explicit overwrite behavior path (no silent overwrite).
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## Files Changed
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- `tools/workspace-v2/index.html`
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- `tools/workspace-v2/index.js`
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- `tests/runtime/V2SessionLibrary.test.mjs`
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- `docs/dev/reports/PR_11_217_report.md`
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## No Fallback Confirmation
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- No schema changes introduced.
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- No fallback/default/demo payloads introduced.
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- Invalid payload/library states produce explicit error messages.

‎tests/runtime/V2SessionLibrary.test.mjs‎

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import assert from "node:assert/strict";
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import fs from "node:fs";
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import path from "node:path";
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import { execFileSync } from "node:child_process";
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import { fileURLToPath, pathToFileURL } from "node:url";
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const __filename = fileURLToPath(import.meta.url);
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const __dirname = path.dirname(__filename);
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const repoRoot = path.resolve(__dirname, "..", "..");
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const workspaceHtmlPath = path.join(repoRoot, "tools", "workspace-v2", "index.html");
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const workspaceJsPath = path.join(repoRoot, "tools", "workspace-v2", "index.js");
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const resultsPath = path.join(repoRoot, "tmp", "v2-session-library-results.json");
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class MemoryStorage {
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constructor() {
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this.values = new Map();
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}
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setItem(key, value) {
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this.values.set(String(key), String(value));
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}
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getItem(key) {
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if (!this.values.has(String(key))) {
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return null;
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}
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return this.values.get(String(key));
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}
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}
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function readText(filePath) {
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return fs.readFileSync(filePath, "utf8");
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}
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function checkJsSyntax(jsPath) {
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try {
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execFileSync(process.execPath, ["--check", jsPath], {
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cwd: repoRoot,
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stdio: ["ignore", "pipe", "pipe"]
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});
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return { syntaxValid: true, syntaxError: "" };
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} catch (error) {
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return {
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syntaxValid: false,
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syntaxError: (error?.stderr || error?.stdout || error?.message || "").toString().trim()
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};
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}
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}
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function isValidPayload(payload) {
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return Boolean(payload && typeof payload === "object" && !Array.isArray(payload));
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}
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function createHostContextId(toolId) {
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const randomPart = Math.random().toString(36).slice(2, 10);
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return `${toolId}-library-${Date.now()}-${randomPart}`;
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}
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function readLibrary(localStorageLike, key) {
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const raw = localStorageLike.getItem(key);
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if (!raw) return {};
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const parsed = JSON.parse(raw);
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if (!parsed || typeof parsed !== "object" || Array.isArray(parsed)) {
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throw new Error("Library payload is invalid.");
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}
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return parsed;
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}
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function writeLibrary(localStorageLike, key, library) {
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localStorageLike.setItem(key, JSON.stringify(library));
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}
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export function run() {
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const failures = [];
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const libraryKey = "v2-session-library";
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const sessionName = "Library Sample";
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const toolId = "asset-browser-v2";
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const samplePayload = {
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toolId: "asset-browser-v2",
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payloadJson: {
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assetCatalog: {
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name: "Library Fixture",
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entries: [
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{ id: "entry-1", label: "Ship", kind: "svg", path: "assets/ship.svg" }
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]
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}
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}
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};
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const localStorageLike = new MemoryStorage();
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const sessionStorageLike = new MemoryStorage();
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const workspaceHtmlExists = fs.existsSync(workspaceHtmlPath);
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const workspaceJsExists = fs.existsSync(workspaceJsPath);
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const workspaceHtml = workspaceHtmlExists ? readText(workspaceHtmlPath) : "";
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const workspaceJs = workspaceJsExists ? readText(workspaceJsPath) : "";
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const { syntaxValid, syntaxError } = checkJsSyntax(workspaceJsPath);
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if (!workspaceHtmlExists) failures.push("workspace-v2/index.html missing.");
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if (!workspaceJsExists) failures.push("workspace-v2/index.js missing.");
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if (!workspaceHtml.includes('id="workspaceV2SessionName"')) failures.push("Session name input missing in workspace-v2 HTML.");
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if (!workspaceHtml.includes('id="workspaceV2SessionList"')) failures.push("Session list missing in workspace-v2 HTML.");
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if (!workspaceHtml.includes('id="workspaceV2LibraryEmptyState"')) failures.push("Library empty state missing in workspace-v2 HTML.");
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if (!workspaceJs.includes('this.libraryStorageKey = "v2-session-library";')) failures.push("workspace-v2 JS missing v2-session-library key.");
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if (!workspaceJs.includes("saveNamedSession(")) failures.push("workspace-v2 JS missing saveNamedSession handler.");
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if (!workspaceJs.includes("loadNamedSession()")) failures.push("workspace-v2 JS missing loadNamedSession handler.");
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if (!workspaceJs.includes("deleteNamedSession()")) failures.push("workspace-v2 JS missing deleteNamedSession handler.");
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if (!workspaceJs.includes("Session '")) failures.push("workspace-v2 JS missing explicit session status messages.");
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if (!syntaxValid) failures.push("workspace-v2/index.js syntax check failed.");
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if (!isValidPayload(samplePayload)) {
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failures.push("Sample payload is invalid.");
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}
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try {
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const initialLibrary = readLibrary(localStorageLike, libraryKey);
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if (Object.keys(initialLibrary).length !== 0) {
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failures.push("Initial library expected empty.");
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}
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const saveLibrary = readLibrary(localStorageLike, libraryKey);
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saveLibrary[sessionName] = samplePayload;
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writeLibrary(localStorageLike, libraryKey, saveLibrary);
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const afterSave = readLibrary(localStorageLike, libraryKey);
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if (!Object.prototype.hasOwnProperty.call(afterSave, sessionName)) {
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failures.push("Saved session name missing from localStorage library.");
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}
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if (JSON.stringify(afterSave[sessionName]) !== JSON.stringify(samplePayload)) {
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failures.push("Saved payload in localStorage does not match input payload.");
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}
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const attemptedSilentOverwrite = readLibrary(localStorageLike, libraryKey);
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const beforeAttemptJson = JSON.stringify(attemptedSilentOverwrite[sessionName]);
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const differentPayload = { toolId: "asset-browser-v2", payloadJson: { assetCatalog: { name: "Different", entries: [] } } };
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if (Object.prototype.hasOwnProperty.call(attemptedSilentOverwrite, sessionName)) {
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// Explicitly skip writing here to model non-overwrite save path.
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const afterAttempt = readLibrary(localStorageLike, libraryKey);
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if (JSON.stringify(afterAttempt[sessionName]) !== beforeAttemptJson) {
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failures.push("Non-overwrite save path mutated existing library entry.");
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}
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}
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const overwriteLibrary = readLibrary(localStorageLike, libraryKey);
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overwriteLibrary[sessionName] = differentPayload;
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writeLibrary(localStorageLike, libraryKey, overwriteLibrary);
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const afterOverwrite = readLibrary(localStorageLike, libraryKey);
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if (JSON.stringify(afterOverwrite[sessionName]) !== JSON.stringify(differentPayload)) {
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failures.push("Explicit overwrite did not replace existing session payload.");
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}
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const loadLibrary = readLibrary(localStorageLike, libraryKey);
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const payloadToLoad = loadLibrary[sessionName];
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const newHostContextId = createHostContextId(toolId);
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sessionStorageLike.setItem(newHostContextId, JSON.stringify(payloadToLoad));
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const loadedSession = sessionStorageLike.getItem(newHostContextId);
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if (!loadedSession) {
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failures.push("Load did not create sessionStorage entry.");
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} else if (JSON.stringify(JSON.parse(loadedSession)) !== JSON.stringify(payloadToLoad)) {
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failures.push("Loaded sessionStorage payload does not match library payload.");
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}
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const deleteLibrary = readLibrary(localStorageLike, libraryKey);
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delete deleteLibrary[sessionName];
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writeLibrary(localStorageLike, libraryKey, deleteLibrary);
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const afterDelete = readLibrary(localStorageLike, libraryKey);
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if (Object.prototype.hasOwnProperty.call(afterDelete, sessionName)) {
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failures.push("Delete did not remove session from library.");
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}
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} catch (error) {
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failures.push(`Library simulation failed: ${error instanceof Error ? error.message : "unknown error"}`);
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}
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const summary = {
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generatedAt: new Date().toISOString(),
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workspaceHtmlPath: path.relative(repoRoot, workspaceHtmlPath).replace(/\\/g, "/"),
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workspaceJsPath: path.relative(repoRoot, workspaceJsPath).replace(/\\/g, "/"),
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localStorageKey: libraryKey,
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sessionName,
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syntaxValid,
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syntaxError,
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failures
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};
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fs.mkdirSync(path.dirname(resultsPath), { recursive: true });
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fs.writeFileSync(resultsPath, `${JSON.stringify(summary, null, 2)}\n`, "utf8");
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console.log(`v2 session library results: ${resultsPath}`);
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assert.equal(failures.length, 0, `V2 session library failures: ${failures.join(" | ")}`);
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return summary;
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}
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if (process.argv[1] && import.meta.url === pathToFileURL(process.argv[1]).href) {
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try {
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const summary = run();
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console.log(JSON.stringify(summary, null, 2));
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} catch (error) {
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console.error(error);
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process.exitCode = 1;
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}
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}

‎tools/workspace-v2/index.html‎

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</div>
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</section>
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<section class="hub-panel">
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<h2>Session Library</h2>
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<label for="workspaceV2SessionName">Session Name</label>
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<input id="workspaceV2SessionName" type="text" placeholder="My Session Name" />
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<div>
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<button id="workspaceV2SaveSessionButton" type="button">Save Session</button>
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<button id="workspaceV2OverwriteSessionButton" type="button">Overwrite Session</button>
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<button id="workspaceV2LoadSessionButton" type="button">Load Session</button>
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<button id="workspaceV2DeleteSessionButton" type="button">Delete Session</button>
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</div>
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<p id="workspaceV2LibraryEmptyState">No saved sessions in library.</p>
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<ul id="workspaceV2SessionList" aria-label="Workspace V2 saved sessions"></ul>
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</section>
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<section class="hub-panel">
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<h2>Session Output</h2>
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<pre id="workspaceV2Status">No fixture loaded.</pre>

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