fix coverage review feedback

tools/coverage/coverage-policy.json

@@ -12,6 +12,7 @@
                 "name": "web",
                 "root": "apps/web",
                 "sourceRoot": "apps/web/src",
+                "jestRootMode": "project",
                 "validationCommand": "pnpm nx test web",
                 "e2eTags": ["@web", "@m3u", "@pwa", "@settings"]
             },

tools/coverage/e2e-v8-web.mjs

@@ -90,7 +90,8 @@ function summarizeJsEntry(entry) {
     };
 }
 
-const rawFiles = listFiles(path.join(workspaceRoot, 'dist'), (file) =>
+const rawCoverageRoot = path.join(workspaceRoot, 'apps/web-e2e/test-results');
+const rawFiles = listFiles(rawCoverageRoot, (file) =>
     file.endsWith('.json') && file.includes(`${path.sep}v8-coverage${path.sep}`)
 );
 const entriesByUrl = new Map();
@@ -116,12 +117,22 @@ const outputDir = path.join(workspaceRoot, 'coverage/e2e-v8/web');
 mkdirSync(outputDir, { recursive: true });
 writeFileSync(
     path.join(outputDir, 'summary.json'),
-    `${JSON.stringify({ rawFiles: rawFiles.length, scripts: summaries }, null, 4)}\n`
+    `${JSON.stringify(
+        {
+            rawCoverageRoot: path.relative(workspaceRoot, rawCoverageRoot),
+            rawFiles: rawFiles.length,
+            scripts: summaries,
+        },
+        null,
+        4
+    )}\n`
 );
 writeFileSync(
     path.join(outputDir, 'summary.md'),
     `# Web E2E V8 Coverage
 
+Raw coverage root: ${path.relative(workspaceRoot, rawCoverageRoot)}
+
 Raw coverage files: ${rawFiles.length}
 
 This experimental report is Chromium/V8 byte coverage from Playwright's browser

tools/coverage/run-tier-a-coverage.mjs

@@ -72,6 +72,17 @@ function collectCoverageArgs(project, jestRootMode) {
     ];
 }
 
+function jestRootModeFor(project) {
+    const mode = project.jestRootMode ?? 'workspace';
+    if (mode !== 'workspace' && mode !== 'project') {
+        throw new Error(
+            `Tier A project ${project.name} has unsupported jestRootMode: ${mode}`
+        );
+    }
+
+    return mode;
+}
+
 function buildNxArgs(project) {
     const projectJson = readProjectJson(project);
     const testTarget = projectJson.targets?.test;
@@ -80,16 +91,19 @@ function buildNxArgs(project) {
     }
 
     if (testTarget.executor === '@nx/jest:jest') {
-        return ['nx', 'run', `${project.name}:test`, '--configuration=ci', '--output-style=static'];
+        return [
+            'nx',
+            'run',
+            `${project.name}:test`,
+            '--configuration=ci',
+            '--codeCoverage',
+            `--coverageDirectory=${coverageDirFor(project, 'workspace')}`,
+            '--output-style=static',
+        ];
     }
 
     if (testTarget.executor === 'nx:run-commands') {
-        const command = Array.isArray(testTarget.options?.command)
-            ? testTarget.options.command.join(' ')
-            : String(testTarget.options?.command ?? '');
-        const jestRootMode = command.includes('apps/web/jest.config.ts')
-            ? 'project'
-            : 'workspace';
+        const jestRootMode = jestRootModeFor(project);
 
         return [
             'nx',