chore(test): baselines and per-surface test projects for the functional stack (P0)

e2e-harness/__tests__/e2e-flow-snapshot.test.ts

@@ -18,6 +18,7 @@ import { InkUI } from '@ui/tui/ink-ui';
 import { setUI } from '@ui/index';
 import { buildSession, RunPhase } from '@lib/wizard-session';
 import { Integration } from '@lib/constants';
+import { HostResolution } from '@lib/host-resolution';
 import { FRAMEWORK_REGISTRY } from '@lib/registry';
 import { WizardReadiness } from '@lib/health-checks/readiness';
 import {
@@ -89,7 +90,7 @@ function traceFlow(
       store.setCredentials({
         accessToken: 'phx_x',
         projectApiKey: 'phc_x',
-        host: 'https://us.posthog.com',
+        host: HostResolution.fromApiHost('https://us.posthog.com'),
         projectId: 1,
       });
     } else if (screen === ScreenId.SelfDrivingGithub) {

e2e-harness/__tests__/wizard-ci-driver.test.ts

@@ -251,7 +251,7 @@ describe('WizardCiDriver — source-maps project pick', () => {
     store.setCredentials({
       accessToken: 'phx_x',
       projectApiKey: 'phc_x',
-      host: 'https://us.posthog.com',
+      host: HostResolution.fromApiHost('https://us.posthog.com'),
       projectId: 1,
     });
   }

package.json

@@ -132,6 +132,13 @@
     "fix:prettier": "prettier --write \"{lib,src,test}/**/*.ts\"",
     "fix:eslint": "eslint . --cache --format stylish --fix",
     "test": "pnpm build && vitest run",
+    "test:legacy": "vitest run --project legacy",
+    "test:agent": "vitest run --project agent",
+    "test:tui": "vitest run --project tui",
+    "test:cli": "vitest run --project cli",
+    "test:harness": "vitest run --project harness",
+    "test:arch": "vitest run --project architecture",
+    "test:goldens:update": "vitest run -u",
     "test:coverage": "pnpm build && vitest run --coverage",
     "test:e2e": "pnpm build && ./e2e-tests/run.sh",
     "test:e2e-record": "export RECORD_FIXTURES=true && pnpm build && ./e2e-tests/run.sh",

scripts/README.md

@@ -12,17 +12,18 @@ real ink render) and is driven purely by store state manipulation; a PTY parent
 ([`e2e-harness/tui-capture.ts`](../e2e-harness/tui-capture.ts), node-pty +
 `@xterm/headless`) captures the real rendered screen.
 
-| Script                          | What it does                                                                                                                                                                                          | Needs                                                              |
-| ------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------ |
-| **`tui-host.no-jest.ts`** | Real TUI host: `MODE=fixed` follows a profile; `MODE=serve` accepts socket commands. | `APP_DIR`, `PROJECT_ID`, key for a full run, `SNAP_CTRL`; run under a PTY, with `CONTROL_SOCK` in serve mode |
-| **`tui-snapshots.no-jest.ts`** | Runs the fixed host and saves colored `SNAP_OUT/NN-<screen>.ans` frames, including within-screen progress. | `SNAP_OUT`, `APP_DIR`, `PROJECT_ID`, `POSTHOG_KEY_FILE` or `POSTHOG_PERSONAL_API_KEY` |
-| **`wizard-ci-mcp.no-jest.ts`** | Stdio MCP server: `open_app`, `read_state`, `perform_action`, `render_screen`, `run_agent`. Screen output is plain text. | Spawns the host; `open_app` requires `appDir` and `projectId`, with optional `keyFile`, `apiKey`, `region` |
-| **`wizard-ci-explore.no-jest.ts`** | `pnpm wizard-ci-explore`: opens an app, confirms setup, reads state, prints one frame, and exits. It does not run the agent. | `APP_DIR`, `PROJECT_ID`; optional `POSTHOG_KEY_FILE` |
+| Script                             | What it does                                                                                                                                                                                                                             | Needs                                                                                                        |
+| ---------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------------------------------------------------------------------------------ |
+| **`tui-host.no-jest.ts`**          | Real TUI host: `MODE=fixed` follows a profile; `MODE=serve` accepts socket commands.                                                                                                                                                     | `APP_DIR`, `PROJECT_ID`, key for a full run, `SNAP_CTRL`; run under a PTY, with `CONTROL_SOCK` in serve mode |
+| **`tui-snapshots.no-jest.ts`**     | Runs the fixed host and saves colored `SNAP_OUT/NN-<screen>.ans` frames, including within-screen progress.                                                                                                                               | `SNAP_OUT`, `APP_DIR`, `PROJECT_ID`, `POSTHOG_KEY_FILE` or `POSTHOG_PERSONAL_API_KEY`                        |
+| **`wizard-ci-mcp.no-jest.ts`**     | Stdio MCP server: `open_app`, `read_state`, `perform_action`, `render_screen`, `run_agent`. Screen output is plain text.                                                                                                                 | Spawns the host; `open_app` requires `appDir` and `projectId`, with optional `keyFile`, `apiKey`, `region`   |
+| **`chunk-manifest.no-jest.ts`**    | Prints a structural manifest of `dist/`: per chunk, the source files it contains and the chunks it imports, hash suffixes stripped. `--summary` prints chunk names plus the sorted source set. A reading tool, nothing diffs its output. | A built `dist/`                                                                                              |
+| **`wizard-ci-explore.no-jest.ts`** | `pnpm wizard-ci-explore`: opens an app, confirms setup, reads state, prints one frame, and exits. It does not run the agent.                                                                                                             | `APP_DIR`, `PROJECT_ID`; optional `POSTHOG_KEY_FILE`                                                         |
 
 > You usually don't call these directly — `pnpm wizard-ci-snapshots` (in
 > [wizard-workbench](https://github.com/PostHog/wizard-workbench)) orchestrates
-> the snapshot route; the MCP server is registered in this repo's `.mcp.json` and
-> used via the `exploring-the-wizard` skill.
+> the snapshot route; the MCP server is registered in this repo's `.mcp.json`
+> and used via the `exploring-the-wizard` skill.
 
 `PROGRAM`, `SNAP_HARNESS`, `SNAP_SEQUENCE`, `SNAP_MODEL`, and `E2E_ASK` are host
 environment inputs, inherited from the launcher; they are not MCP tool
@@ -34,17 +35,17 @@ before choosing credentials or an EU project.
 ## Credentials for full agent runs
 
 Full TUI host and snapshot runs require both the personal API key (or
-`POSTHOG_KEY_FILE`) and `WIZARD_CI_GATEWAY_TOKEN_FILE`, plus `PROJECT_ID`.
-For MCP runs, pass the personal key through `open_app` and set the gateway
-token file path in the server environment before launch. Restart the server
-after changing it; the gateway path is not an MCP tool argument.
-Detection-only exploration does not need either secret. See
+`POSTHOG_KEY_FILE`) and `WIZARD_CI_GATEWAY_TOKEN_FILE`, plus `PROJECT_ID`. For
+MCP runs, pass the personal key through `open_app` and set the gateway token
+file path in the server environment before launch. Restart the server after
+changing it; the gateway path is not an MCP tool argument. Detection-only
+exploration does not need either secret. See
 [local credential setup](../docs/local-dev.md#credentials-for-local-ci-and-headless-runs).
 
 ## Background
 
 The control plane lives in [`e2e-harness/`](../e2e-harness/) — out of `src/`, so
 none of it ships in prod. `WizardCiDriver` (read/act over the store), the
 screen→action registry, the e2e profiles, and `tui-capture` (real-TUI PTY
-capture). See [`ARCHITECTURE.md`](../e2e-harness/ARCHITECTURE.md) for how the two
-routes drive these (env strip, scoped project id, gotchas).
+capture). See [`ARCHITECTURE.md`](../e2e-harness/ARCHITECTURE.md) for how the
+two routes drive these (env strip, scoped project id, gotchas).

scripts/chunk-manifest.no-jest.ts

@@ -0,0 +1,55 @@
+/**
+ * Structural manifest of the built bundle: for every chunk in dist/, the
+ * source files it contains (from its sourcemap) and the chunks it imports.
+ * Hash suffixes are stripped so the output is stable across builds.
+ *
+ *   tsx scripts/chunk-manifest.no-jest.ts [distDir] > manifest.json
+ *   tsx scripts/chunk-manifest.no-jest.ts [distDir] --summary > summary.json
+ *
+ * `--summary` prints the chunk names and the sorted set of every bundled
+ * source. Output differs between macOS and Linux (chunk assignment and
+ * sourcemap sources), so this is a reading tool, not a golden.
+ */
+import fs from 'fs';
+import path from 'path';
+
+const args = process.argv.slice(2);
+const summary = args.includes('--summary');
+const dist = path.resolve(args.find((a) => !a.startsWith('--')) ?? 'dist');
+const root = path.resolve(dist, '..');
+
+const stripHash = (file: string): string =>
+  file.replace(/-[A-Za-z0-9_-]{8}\.js$/, '.js');
+
+const importRe = /(?:from\s*|import\s*\(\s*)["']\.\/([^"']+\.js)["']/g;
+
+const manifest: Record<string, { sources: string[]; imports: string[] }> = {};
+
+for (const file of fs
+  .readdirSync(dist)
+  .filter((f) => f.endsWith('.js'))
+  .sort()) {
+  const code = fs.readFileSync(path.join(dist, file), 'utf8');
+  const mapPath = path.join(dist, `${file}.map`);
+  const sources = fs.existsSync(mapPath)
+    ? (
+        JSON.parse(fs.readFileSync(mapPath, 'utf8')) as { sources: string[] }
+      ).sources
+        .map((s) => path.relative(root, path.resolve(dist, s)))
+        .filter((s) => !s.includes('node_modules'))
+        .sort()
+    : [];
+  const imports = new Set<string>();
+  for (const m of code.matchAll(importRe)) imports.add(stripHash(m[1]));
+  manifest[stripHash(file)] = { sources, imports: [...imports].sort() };
+}
+
+const output = summary
+  ? {
+      chunks: Object.keys(manifest).sort(),
+      sources: [
+        ...new Set(Object.values(manifest).flatMap((c) => c.sources)),
+      ].sort(),
+    }
+  : manifest;
+process.stdout.write(JSON.stringify(output, null, 2) + '\n');