Add workflow_dispatch trigger to collect-corrections workflow

The triage feedback slash command is a preview feature only available in
private repos. Add a workflow_dispatch trigger with issue_number and
feedback inputs so the workflow can be dispatched manually from the
Actions UI.

- Add workflow_dispatch trigger with required inputs to collect-corrections.yml
- Fall back to context.payload.inputs when client_payload is absent
- Add integration test for the workflow_dispatch payload path

Author: MackinnonBuck

.github/workflows/collect-corrections.yml

@@ -3,6 +3,16 @@ name: Collect triage agent corrections
 on:
   repository_dispatch:
     types: [triage_feedback]
+  workflow_dispatch:
+    inputs:
+      issue_number:
+        description: "Issue number to submit feedback for"
+        required: true
+        type: string
+      feedback:
+        description: "Feedback text describing what the triage agent got wrong"
+        required: true
+        type: string
 
 concurrency:
   group: collect-corrections

scripts/corrections/collect-corrections.js

@@ -203,7 +203,7 @@ async function maybeAssignCCA(github, owner, repo, trackingIssue, correctionCoun
  */
 module.exports = async ({ github, context }) => {
   const { owner, repo } = context.repo;
-  const payload = context.payload.client_payload ?? {};
+  const payload = context.payload.client_payload ?? context.payload.inputs ?? {};
   const sender = context.payload.sender?.login ?? "unknown";
 
   const correction = resolveContext(payload, sender);

scripts/corrections/test/collect-corrections.test.ts

@@ -1,4 +1,4 @@
-import { describe, it, expect, vi } from "vitest";
+import { describe, expect, it, vi } from "vitest";
 
 const mod = await import("../collect-corrections.js");
 const {
@@ -304,6 +304,42 @@ describe("appendCorrection", () => {
   });
 });
 
+describe("module entrypoint - workflow_dispatch", () => {
+  it("processes feedback from workflow_dispatch inputs", async () => {
+    const github = mockGitHub({
+      listForRepo: vi.fn().mockResolvedValue({
+        data: [{ number: 50, assignees: [], body: trackingBodyForEntrypoint }],
+      }),
+    });
+    const context = {
+      repo: { owner: OWNER, repo: REPO },
+      payload: {
+        // workflow_dispatch has no client_payload; inputs carry the data
+        inputs: { issue_number: "7", feedback: "Should be enhancement" },
+        sender: { login: "dispatcher" },
+      },
+    };
+
+    await mod.default({ github, context });
+
+    // Verify the correction was appended referencing the right issue
+    expect(github.rest.issues.update).toHaveBeenCalledWith(
+      expect.objectContaining({
+        issue_number: 50,
+        body: expect.stringContaining("[#7]"),
+      }),
+    );
+  });
+});
+
+const trackingBodyForEntrypoint = [
+  "# Triage Agent Corrections",
+  "",
+  "| Issue | Feedback | Submitted by | Date |",
+  "|-------|----------|--------------|------|",
+  "",
+].join("\n");
+
 describe("maybeAssignCCA", () => {
   it("assigns CCA when threshold is reached", async () => {
     const github = mockGitHub();