diff --git a/Jenkinsfile b/Jenkinsfile
index 3567fcd..45d99d9 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -106,43 +106,116 @@ spec:
       }
     }
 
-    stage('Quality Gate') {
+    stage('Run quality gate') {
       steps {
         container('node') {
           sh '''
             set -eu
-            npm ci
-            npm run lint
-            npm run test:ci
-            npm run build
+            set +e
+            bash <<'GATE'
+set -u
+npm ci
+lint_rc=0
+test_rc=0
+build_rc=0
+npm run lint || lint_rc=$?
+npm run test:ci || test_rc=$?
+npm run build || build_rc=$?
 
-            mkdir -p build
-            APP_VERSION="$(node -p \"require('./package.json').version\")"
-            echo "APP_VERSION=${APP_VERSION}" > build/version.env
+mkdir -p build
+APP_VERSION="$(node -p "require('./package.json').version")"
+echo "APP_VERSION=${APP_VERSION}" > build/version.env
+export lint_rc test_rc build_rc
 
-            node <<'NODE'
+node <<'NODE'
 const fs = require('fs');
+const path = require('path');
 
 const junitPath = 'build/junit-typhon.xml';
 const coveragePath = 'coverage/coverage-summary.json';
 
-if (!fs.existsSync(junitPath)) {
-  console.error('missing junit report:', junitPath);
-  process.exit(1);
-}
-if (!fs.existsSync(coveragePath)) {
-  console.error('missing coverage summary:', coveragePath);
-  process.exit(1);
+const sourceRoots = ['src', 'tests', 'scripts'];
+const sourceExts = new Set(['.ts', '.js', '.cjs', '.mjs', '.sh']);
+
+function unescapeXml(value) {
+  return String(value || '')
+    .replace(/&quot;/g, '"')
+    .replace(/&apos;/g, "'")
+    .replace(/&lt;/g, '<')
+    .replace(/&gt;/g, '>')
+    .replace(/&amp;/g, '&');
 }
 
-const junit = fs.readFileSync(junitPath, 'utf8');
+function attr(attrs, name) {
+  const match = attrs.match(new RegExp(`(?:^|\\s)${name}="([^"]*)"`));
+  return match ? unescapeXml(match[1]) : '';
+}
+
+function collectSourceFiles(rootDir) {
+  const files = [];
+  const stack = [rootDir];
+  while (stack.length > 0) {
+    const current = stack.pop();
+    if (!fs.existsSync(current)) {
+      continue;
+    }
+    for (const entry of fs.readdirSync(current, { withFileTypes: true })) {
+      const fullPath = path.join(current, entry.name);
+      if (entry.isDirectory()) {
+        stack.push(fullPath);
+        continue;
+      }
+      if (sourceExts.has(path.extname(entry.name))) {
+        files.push(fullPath);
+      }
+    }
+  }
+  return files.sort();
+}
+
+function categoryForClassname(classname) {
+  const normalized = String(classname || '').replace(/\\/g, '/');
+  const relative = normalized.includes('/tests/')
+    ? normalized.slice(normalized.indexOf('/tests/') + '/tests/'.length)
+    : (normalized.startsWith('tests/') ? normalized.slice('tests/'.length) : normalized);
+  const parts = relative.split('/').filter(Boolean);
+  if (parts.length <= 1 || parts[0].endsWith('.test.ts')) {
+    return 'unit';
+  }
+  return parts[0];
+}
+
+function parseTestCases(junit) {
+  const cases = [];
+  const re = /<testcase\b([^>]*)>([\s\S]*?)<\/testcase>|<testcase\b([^>]*)\/>/g;
+  let match;
+  while ((match = re.exec(junit)) !== null) {
+    const attrs = match[1] || match[3] || '';
+    const body = match[2] || '';
+    const classname = attr(attrs, 'classname') || 'typhon';
+    const title = attr(attrs, 'name') || classname;
+    const status = body.includes('<failure') || body.includes('<error')
+      ? 'failed'
+      : body.includes('<skipped')
+        ? 'skipped'
+        : 'passed';
+    cases.push({ category: categoryForClassname(classname), test: `${classname}::${title}`, status });
+  }
+  return cases;
+}
+
+const junit = fs.existsSync(junitPath) ? fs.readFileSync(junitPath, 'utf8') : '';
 const tests = Number((junit.match(/tests="([0-9]+)"/) || [])[1] || 0);
 const failures = Number((junit.match(/failures="([0-9]+)"/) || [])[1] || 0);
-const errors = Number((junit.match(/errors="([0-9]+)"/) || [])[1] || 0);
+const errors = Number((junit.match(/errors="([0-9]+)"/) || [])[1] || (junit ? 0 : 1));
 const skipped = Number((junit.match(/skipped="([0-9]+)"/) || [])[1] || 0);
 
-const cov = JSON.parse(fs.readFileSync(coveragePath, 'utf8'));
+const cov = fs.existsSync(coveragePath) ? JSON.parse(fs.readFileSync(coveragePath, 'utf8')) : { total: {} };
 const total = cov.total || {};
+const sourceFiles = sourceRoots.flatMap((root) => collectSourceFiles(root));
+const overLimitFiles = sourceFiles
+  .map((file) => ({ file, lines: fs.readFileSync(file, 'utf8').split(/\r?\n/).length }))
+  .filter((item) => item.lines > 500);
 
 const report = {
   suite: 'typhon',
@@ -154,21 +227,103 @@ const report = {
     branches: total.branches?.pct ?? 0
   },
   thresholds: {
-    lines: 85,
-    statements: 85,
-    functions: 85,
+    lines: 95,
+    statements: 95,
+    functions: 95,
     branches: 75
-  }
+  },
+  hygiene: {
+    sourceFilesTotal: sourceFiles.length,
+    sourceLinesOver500: overLimitFiles.length
+  },
+  checks: {
+    tests: failures > 0 || errors > 0 || Number(process.env.test_rc || 0) !== 0 ? 'failed' : 'ok',
+    coverage: 'ok',
+    loc: overLimitFiles.length === 0 ? 'ok' : 'failed',
+    style: Number(process.env.lint_rc || 0) === 0 ? 'ok' : 'failed',
+    gate_glue: 'ok',
+    sonarqube: 'not_applicable',
+    supply_chain: 'not_applicable'
+  },
+  testCases: parseTestCases(junit)
 };
 
+report.checks.coverage = (
+  report.coverage.lines >= report.thresholds.lines &&
+  report.coverage.statements >= report.thresholds.statements &&
+  report.coverage.functions >= report.thresholds.functions &&
+  report.coverage.branches >= report.thresholds.branches
+) ? 'ok' : 'failed';
+if (report.testCases.length === 0) {
+  report.testCases.push({ category: 'unit', test: '__no_test_cases__', status: junit ? 'skipped' : 'failed' });
+}
+
 fs.writeFileSync('build/quality-gate.json', JSON.stringify(report, null, 2));
+if (
+  Number(process.env.lint_rc || 0) !== 0 ||
+  Number(process.env.test_rc || 0) !== 0 ||
+  Number(process.env.build_rc || 0) !== 0 ||
+  Object.values(report.checks).includes('failed')
+) {
+  process.exit(1);
+}
 NODE
+GATE
+            gate_rc=$?
+            set -e
+            printf '%s\n' "${gate_rc}" > build/quality-gate.rc
+            if [ ! -f build/quality-gate.json ]; then
+              mkdir -p build
+              cat > build/quality-gate.json <<'JSON'
+{
+  "suite": "typhon",
+  "tests": {
+    "tests": 0,
+    "failures": 1,
+    "errors": 0,
+    "skipped": 0
+  },
+  "coverage": {
+    "lines": 0,
+    "statements": 0,
+    "functions": 0,
+    "branches": 0
+  },
+  "thresholds": {
+    "lines": 95,
+    "statements": 95,
+    "functions": 95,
+    "branches": 75
+  },
+  "hygiene": {
+    "sourceFilesTotal": 0,
+    "sourceLinesOver500": 0
+  },
+  "checks": {
+    "tests": "failed",
+    "coverage": "failed",
+    "loc": "ok",
+    "style": "failed",
+    "gate_glue": "failed",
+    "sonarqube": "not_applicable",
+    "supply_chain": "not_applicable"
+  },
+  "testCases": [
+    {
+      "category": "unit",
+      "test": "__no_test_cases__",
+      "status": "failed"
+    }
+  ]
+}
+JSON
+            fi
           '''
         }
       }
     }
 
-    stage('Publish Test Metrics') {
+    stage('Publish test metrics') {
       steps {
         container('node') {
           sh '''
@@ -186,7 +341,20 @@ if (!fs.existsSync(qualityPath)) {
 }
 
 const quality = JSON.parse(fs.readFileSync(qualityPath, 'utf8'));
-const status = quality.tests.failures > 0 || quality.tests.errors > 0 ? 'failed' : 'ok';
+const status = quality.tests.failures > 0 || quality.tests.errors > 0 || Object.values(quality.checks || {}).includes('failed') ? 'failed' : 'ok';
+const branch = process.env.BRANCH_NAME || process.env.GIT_BRANCH || 'unknown';
+const buildNumber = process.env.BUILD_NUMBER || 'unknown';
+const jenkinsJob = process.env.JOB_NAME || suite;
+const sourceFilesTotal = Number(quality.hygiene?.sourceFilesTotal ?? 0);
+const sourceLinesOver500 = Number(quality.hygiene?.sourceLinesOver500 ?? 0);
+
+function esc(value) {
+  return String(value ?? '').replace(/\\/g, '\\\\').replace(/"/g, '\\"').replace(/\n/g, '\\n');
+}
+
+function labelString(labels) {
+  return `{${Object.entries(labels).map(([key, value]) => `${key}="${esc(value)}"`).join(',')}}`;
+}
 
 function fetchCounter(targetStatus) {
   try {
@@ -205,34 +373,86 @@ let failed = fetchCounter('failed');
 if (status === 'ok') ok += 1;
 if (status === 'failed') failed += 1;
 
-const payload = [
+const passed = Math.max(quality.tests.tests - quality.tests.failures - quality.tests.errors - quality.tests.skipped, 0);
+const buildLabels = labelString({ suite, branch, build_number: buildNumber, jenkins_job: jenkinsJob });
+const checks = {
+  tests: 'failed',
+  coverage: 'failed',
+  loc: 'failed',
+  style: 'failed',
+  gate_glue: 'failed',
+  sonarqube: 'not_applicable',
+  supply_chain: 'not_applicable',
+  ...(quality.checks || {})
+};
+const lines = [
   '# TYPE platform_quality_gate_runs_total counter',
   `platform_quality_gate_runs_total{suite="${suite}",status="ok"} ${ok}`,
   `platform_quality_gate_runs_total{suite="${suite}",status="failed"} ${failed}`,
+  '# TYPE platform_quality_gate_build_info gauge',
+  `platform_quality_gate_build_info${buildLabels} 1`,
+  '# TYPE platform_quality_gate_tests_total gauge',
+  `platform_quality_gate_tests_total{suite="${suite}",result="passed"} ${passed}`,
+  `platform_quality_gate_tests_total{suite="${suite}",result="failed"} ${quality.tests.failures}`,
+  `platform_quality_gate_tests_total{suite="${suite}",result="error"} ${quality.tests.errors}`,
+  `platform_quality_gate_tests_total{suite="${suite}",result="skipped"} ${quality.tests.skipped}`,
   '# TYPE typhon_quality_gate_tests_total gauge',
-  `typhon_quality_gate_tests_total{suite="${suite}",result="total"} ${quality.tests.tests}`,
-  `typhon_quality_gate_tests_total{suite="${suite}",result="failures"} ${quality.tests.failures}`,
-  `typhon_quality_gate_tests_total{suite="${suite}",result="errors"} ${quality.tests.errors}`,
+  `typhon_quality_gate_tests_total{suite="${suite}",result="passed"} ${passed}`,
+  `typhon_quality_gate_tests_total{suite="${suite}",result="failed"} ${quality.tests.failures}`,
+  `typhon_quality_gate_tests_total{suite="${suite}",result="error"} ${quality.tests.errors}`,
   `typhon_quality_gate_tests_total{suite="${suite}",result="skipped"} ${quality.tests.skipped}`,
   '# TYPE typhon_quality_gate_coverage_percent gauge',
   `typhon_quality_gate_coverage_percent{suite="${suite}",scope="lines"} ${quality.coverage.lines}`,
   `typhon_quality_gate_coverage_percent{suite="${suite}",scope="statements"} ${quality.coverage.statements}`,
   `typhon_quality_gate_coverage_percent{suite="${suite}",scope="functions"} ${quality.coverage.functions}`,
   `typhon_quality_gate_coverage_percent{suite="${suite}",scope="branches"} ${quality.coverage.branches}`,
+  '# TYPE platform_quality_gate_workspace_line_coverage_percent gauge',
+  `platform_quality_gate_workspace_line_coverage_percent{suite="${suite}"} ${quality.coverage.lines}`,
+  '# TYPE platform_quality_gate_source_files_total gauge',
+  `platform_quality_gate_source_files_total{suite="${suite}"} ${sourceFilesTotal}`,
+  '# TYPE platform_quality_gate_source_lines_over_500_total gauge',
+  `platform_quality_gate_source_lines_over_500_total{suite="${suite}"} ${sourceLinesOver500}`,
+  '# TYPE typhon_quality_gate_checks_total gauge',
+  ...Object.entries(checks).map(([check, result]) => `typhon_quality_gate_checks_total${labelString({ suite, check, result })} 1`),
+  '# TYPE platform_quality_gate_test_case_result gauge',
+  ...(quality.testCases || []).map((item) => `platform_quality_gate_test_case_result${labelString({
+    suite,
+    branch,
+    build_number: buildNumber,
+    jenkins_job: jenkinsJob,
+    category: item.category || 'unit',
+    test: item.test || '__no_test_cases__',
+    status: item.status || 'skipped'
+  })} 1`),
   ''
-].join('\\n');
+];
 
-execSync(`curl -fsS --data-binary @- ${gateway}/metrics/job/platform-quality-ci/suite/${suite}`, {
-  input: payload,
-  stdio: ['pipe', 'inherit', 'inherit']
-});
+try {
+  execSync(`curl -fsS --data-binary @- ${gateway}/metrics/job/platform-quality-ci/suite/${suite}`, {
+    input: lines.join('\\n'),
+    stdio: ['pipe', 'inherit', 'inherit']
+  });
+} catch (error) {
+  console.error(`metrics publish failed for suite=${suite}:`, error.message);
+}
 NODE
           '''
         }
       }
     }
 
-    stage('Buildx Setup') {
+    stage('Enforce quality gate') {
+      steps {
+        container('node') {
+          sh '''
+            set -eu
+            test "$(cat build/quality-gate.rc 2>/dev/null || echo 1)" -eq 0
+          '''
+        }
+      }
+    }
+
+    stage('Buildx setup') {
       when {
         expression { return params.PUBLISH_IMAGE }
       }
@@ -252,7 +472,7 @@ NODE
       }
     }
 
-    stage('Build & Push Image') {
+    stage('Build & push image') {
       when {
         expression { return params.PUBLISH_IMAGE }
       }
diff --git a/jest.config.cjs b/jest.config.cjs
index ae312d1..c7126b3 100644
--- a/jest.config.cjs
+++ b/jest.config.cjs
@@ -23,7 +23,7 @@ module.exports = {
         outputDirectory: "build",
         outputName: "junit-typhon.xml",
         suiteName: "typhon",
-        classNameTemplate: "{classname}",
+        classNameTemplate: "{filepath}",
         titleTemplate: "{title}",
         ancestorSeparator: " › "
       }
diff --git a/tests/AppConfig.test.ts b/tests/AppConfig.test.ts
index b5f8c06..3ca2bfd 100644
--- a/tests/AppConfig.test.ts
+++ b/tests/AppConfig.test.ts
@@ -41,17 +41,26 @@ describe("AppConfig", () => {
         POLL_INTERVAL_SECONDS: "4"
       })
     ).toThrow("POLL_INTERVAL_SECONDS must be between 5 and 600");
+
+    expect(() =>
+      AppConfig.fromEnv({
+        ACI_EMAIL: "x",
+        ACI_PASSWORD: "y",
+        LISTEN_PORT: "not-a-number"
+      })
+    ).toThrow("LISTEN_PORT must be an integer");
   });
 
   it("supports ble mode without cloud credentials", () => {
     const config = AppConfig.fromEnv({
       TYPHON_MODE: "ble",
-      ENABLE_CONTROL_API: "true",
+      ENABLE_CONTROL_API: "yes",
+      LOG_LEVEL: "debug",
       TY_BLE_DEFAULT_MAC: "58:8c:81:c6:fc:f6",
       TY_BLE_ALLOWED_MACS: "11:22:33:44:55:66",
       TY_BLE_DEVICE_TYPE: "11",
       TY_BLE_SCAN_TIMEOUT_MS: "25000",
-      TY_BLE_PORT_BASE: "1"
+      TY_BLE_PORT_BASE: "0"
     });
 
     expect(config.mode).toBe("ble");
@@ -65,7 +74,8 @@ describe("AppConfig", () => {
     ]);
     expect(config.bleDeviceType).toBe(11);
     expect(config.bleScanTimeoutMs).toBe(25000);
-    expect(config.blePortBase).toBe(1);
+    expect(config.blePortBase).toBe(0);
+    expect(config.logLevel).toBe("debug");
   });
 
   it("validates mode and MAC inputs", () => {
@@ -80,9 +90,26 @@ describe("AppConfig", () => {
       TY_BLE_DEFAULT_MAC: "not-a-mac"
     })).toThrow("TY_BLE_DEFAULT_MAC must be a MAC address like AA:BB:CC:DD:EE:FF");
 
+    expect(() => AppConfig.fromEnv({
+      TYPHON_MODE: "ble",
+      TY_BLE_ALLOWED_MACS: "11:22:33:44:55:66,not-a-mac"
+    })).toThrow("TY_BLE_ALLOWED_MACS must contain MAC addresses like AA:BB:CC:DD:EE:FF");
+
     expect(() => AppConfig.fromEnv({
       TYPHON_MODE: "ble",
       TY_BLE_PORT_BASE: "2"
     })).toThrow("TY_BLE_PORT_BASE must be 0 or 1");
+
+    expect(() => AppConfig.fromEnv({
+      ACI_EMAIL: "x",
+      ACI_PASSWORD: "y",
+      ENABLE_CONTROL_API: "maybe"
+    })).toThrow("ENABLE_CONTROL_API must be a boolean");
+
+    expect(() => AppConfig.fromEnv({
+      ACI_EMAIL: "x",
+      ACI_PASSWORD: "y",
+      LOG_LEVEL: "loud"
+    })).toThrow("LOG_LEVEL must be one of: debug, info, warn, error");
   });
 });
diff --git a/tests/TyphonMetrics.test.ts b/tests/TyphonMetrics.test.ts
index 3640585..1debaaf 100644
--- a/tests/TyphonMetrics.test.ts
+++ b/tests/TyphonMetrics.test.ts
@@ -177,4 +177,17 @@ describe("TyphonMetrics", () => {
     expect(valueForMetric(json, "typhon_data_age_seconds", {})).toBe(90);
     expect(valueForMetric(json, "typhon_last_successful_poll_timestamp_seconds", {})).toBe(1_700_000_000);
   });
+
+  it("keeps data age at zero before the first successful poll and reports runtime mode", async () => {
+    const registry = new Registry();
+    const metrics = new TyphonMetrics("0.1.0", false, registry);
+
+    metrics.refreshDataAgeGauge(1_700_000_090);
+    metrics.setRuntimeMode("ble");
+
+    const json = await registry.getMetricsAsJSON();
+    expect(valueForMetric(json, "typhon_data_age_seconds", {})).toBe(0);
+    expect(valueForMetric(json, "typhon_runtime_mode", { mode: "cloud" })).toBe(0);
+    expect(valueForMetric(json, "typhon_runtime_mode", { mode: "ble" })).toBe(1);
+  });
 });