diff --git a/scripts/lib/main-governance-audit.mjs b/scripts/lib/main-governance-audit.mjs
index 3529ec11a..bdd28011b 100644
--- a/scripts/lib/main-governance-audit.mjs
+++ b/scripts/lib/main-governance-audit.mjs
@@ -8,7 +8,7 @@ export const REQUIRED_MAIN_CHECK_NAMES = Object.freeze([
 ]);
 
 function normalized(value) {
-  return String(value ?? "").trim();
+  return typeof value === "string" ? value.trim() : "";
 }
 
 function positiveInteger(value) {
@@ -33,6 +33,25 @@ function rulesOfType(rules, type) {
   return rules.filter((rule) => normalized(rule?.type) === type);
 }
 
+function observedWorkflowControls(rules) {
+  return rulesOfType(rules, "workflows").flatMap((rule) => {
+    const workflows = ruleParameters(rule).workflows;
+    if (!Array.isArray(workflows)) {
+      return [];
+    }
+    return workflows.map((workflow) => ({
+      repository_id: positiveInteger(workflow?.repository_id)
+        ? workflow.repository_id
+        : null,
+      path: normalized(workflow?.path) || "unknown",
+      ref: normalized(workflow?.ref) || "unknown",
+      ruleset_id: positiveInteger(rule?.ruleset_id) ? rule.ruleset_id : null,
+      ruleset_source_type: normalized(rule?.ruleset_source_type) || "unknown",
+      ruleset_source: normalized(rule?.ruleset_source) || "unknown",
+    }));
+  });
+}
+
 export function evaluateMainGovernanceRules(rules) {
   const checks = [];
   const failures = [];
@@ -44,7 +63,12 @@ export function evaluateMainGovernanceRules(rules) {
       false,
       "Active main rules must be supplied as an array.",
     );
-    return { status: "FAIL", checks, failures };
+    return {
+      status: "FAIL",
+      checks,
+      failures,
+      observed_controls: { required_workflows: [] },
+    };
   }
 
   const pullRequestRules = rulesOfType(rules, "pull_request");
@@ -190,5 +214,8 @@ export function evaluateMainGovernanceRules(rules) {
     status: failures.length === 0 ? "PASS" : "FAIL",
     checks,
     failures,
+    observed_controls: {
+      required_workflows: observedWorkflowControls(rules),
+    },
   };
 }
diff --git a/scripts/main-governance-audit.mjs b/scripts/main-governance-audit.mjs
index 3b8b19640..f9c91f580 100644
--- a/scripts/main-governance-audit.mjs
+++ b/scripts/main-governance-audit.mjs
@@ -182,6 +182,7 @@ function appendSummary(report) {
     `- Status: **${report.status}**`,
     `- Active rules: ${report.active_rule_count}`,
     `- Ruleset sources: ${report.rule_sources.length}`,
+    `- Observed required workflows: ${report.observed_controls.required_workflows.length}`,
     `- Failures: ${report.failures.length}`,
   ];
   if (report.failures.length > 0) {
@@ -204,6 +205,7 @@ function buildReport(repository, rules, evaluation) {
     active_rule_count: rules.length,
     active_rule_types: [...new Set(rules.map((rule) => bound(rule?.type, 100) || "unknown"))].sort(),
     rule_sources: collectRuleSources(rules),
+    observed_controls: evaluation.observed_controls,
     checks: evaluation.checks,
     failures: evaluation.failures,
     limitations: [
@@ -239,6 +241,7 @@ export function main() {
       active_rule_count: 0,
       active_rule_types: [],
       rule_sources: [],
+      observed_controls: { required_workflows: [] },
       checks: [],
       failures: [
         {
diff --git a/test/main-governance-audit-script.test.ts b/test/main-governance-audit-script.test.ts
index 483646fef..2f973cd53 100644
--- a/test/main-governance-audit-script.test.ts
+++ b/test/main-governance-audit-script.test.ts
@@ -102,6 +102,15 @@ describe("main governance audit GitHub adapter", () => {
     expect(script).not.toContain("JSON.stringify(process.env");
   });
 
+  it("propagates observed required-workflow evidence into the durable report and summary", () => {
+    const script = readFileSync("scripts/main-governance-audit.mjs", "utf8");
+
+    expect(script).toContain("observed_controls: evaluation.observed_controls");
+    expect(script).toContain("Observed required workflows");
+    expect(script).toContain("report.observed_controls.required_workflows.length");
+    expect(script).toContain('observed_controls: { required_workflows: [] }');
+  });
+
   it("fails closed when the capability, audit, or collection do not pass", () => {
     const script = readFileSync("scripts/main-governance-audit.mjs", "utf8");
 
diff --git a/test/main-governance-observed-workflows.test.ts b/test/main-governance-observed-workflows.test.ts
new file mode 100644
index 000000000..70edc92a3
--- /dev/null
+++ b/test/main-governance-observed-workflows.test.ts
@@ -0,0 +1,104 @@
+import { describe, expect, it } from "vitest";
+import { evaluateMainGovernanceRules } from "../scripts/lib/main-governance-audit.mjs";
+
+describe("observed main governance controls", () => {
+  it("records an enforced workflow without promoting missing target governance to PASS", () => {
+    const result = evaluateMainGovernanceRules([
+      {
+        type: "workflows",
+        ruleset_id: 18_794_436,
+        ruleset_source_type: "Organization",
+        ruleset_source: "ContextualWisdomLab",
+        parameters: {
+          do_not_enforce_on_create: false,
+          workflows: [
+            {
+              repository_id: 1_274_066_402,
+              path: ".github/workflows/security-scan.yml",
+              ref: "refs/heads/main",
+            },
+          ],
+        },
+      },
+    ]);
+
+    expect(result.status).toBe("FAIL");
+    expect(result.observed_controls).toEqual({
+      required_workflows: [
+        {
+          repository_id: 1_274_066_402,
+          path: ".github/workflows/security-scan.yml",
+          ref: "refs/heads/main",
+          ruleset_id: 18_794_436,
+          ruleset_source_type: "Organization",
+          ruleset_source: "ContextualWisdomLab",
+        },
+      ],
+    });
+    expect(result.failures.map((failure) => failure.code)).toContain("pull_request_rule_missing");
+  });
+
+  it("normalizes malformed workflow entries into bounded unknown evidence instead of inventing authority", () => {
+    const result = evaluateMainGovernanceRules([
+      {
+        type: "workflows",
+        ruleset_id: 18_794_436,
+        ruleset_source_type: "Organization",
+        ruleset_source: "ContextualWisdomLab",
+        parameters: { workflows: [null, { repository_id: -1, path: "", ref: null }] },
+      },
+    ]);
+
+    expect(result.observed_controls.required_workflows).toEqual([
+      {
+        repository_id: null,
+        path: "unknown",
+        ref: "unknown",
+        ruleset_id: 18_794_436,
+        ruleset_source_type: "Organization",
+        ruleset_source: "ContextualWisdomLab",
+      },
+      {
+        repository_id: null,
+        path: "unknown",
+        ref: "unknown",
+        ruleset_id: 18_794_436,
+        ruleset_source_type: "Organization",
+        ruleset_source: "ContextualWisdomLab",
+      },
+    ]);
+    expect(result.status).toBe("FAIL");
+  });
+
+  it("rejects object and array workflow identity fields instead of stringifying them", () => {
+    const result = evaluateMainGovernanceRules([
+      {
+        type: "workflows",
+        ruleset_id: -1,
+        ruleset_source_type: { kind: "Organization" },
+        ruleset_source: ["ContextualWisdomLab"],
+        parameters: {
+          workflows: [
+            {
+              repository_id: -1,
+              path: { fake: ".github/workflows/security-scan.yml" },
+              ref: ["refs/heads/main"],
+            },
+          ],
+        },
+      },
+    ]);
+
+    expect(result.observed_controls.required_workflows).toEqual([
+      {
+        repository_id: null,
+        path: "unknown",
+        ref: "unknown",
+        ruleset_id: null,
+        ruleset_source_type: "unknown",
+        ruleset_source: "unknown",
+      },
+    ]);
+    expect(result.status).toBe("FAIL");
+  });
+});