diff --git a/packages/shared/src/types/issue.ts b/packages/shared/src/types/issue.ts
index b49094d0633..a0dacc1eccf 100644
--- a/packages/shared/src/types/issue.ts
+++ b/packages/shared/src/types/issue.ts
@@ -267,6 +267,7 @@ export interface IssueComment {
   authorAgentId: string | null;
   authorUserId: string | null;
   body: string;
+  followUpRequested?: boolean;
   createdAt: Date;
   updatedAt: Date;
 }
diff --git a/packages/shared/src/validators/issue.ts b/packages/shared/src/validators/issue.ts
index 0db2e1bcb90..b4451cf9aff 100644
--- a/packages/shared/src/validators/issue.ts
+++ b/packages/shared/src/validators/issue.ts
@@ -171,6 +171,7 @@ export const updateIssueSchema = createIssueSchema.partial().extend({
   comment: z.string().min(1).optional(),
   reviewRequest: issueReviewRequestSchema.optional().nullable(),
   reopen: z.boolean().optional(),
+  resume: z.boolean().optional(),
   interrupt: z.boolean().optional(),
   hiddenAt: z.string().datetime().nullable().optional(),
 });
@@ -188,6 +189,7 @@ export type CheckoutIssue = z.infer<typeof checkoutIssueSchema>;
 export const addIssueCommentSchema = z.object({
   body: z.string().min(1),
   reopen: z.boolean().optional(),
+  resume: z.boolean().optional(),
   interrupt: z.boolean().optional(),
 });
 
diff --git a/server/src/__tests__/issue-comment-reopen-routes.test.ts b/server/src/__tests__/issue-comment-reopen-routes.test.ts
index aaeec8491f0..40e2c78b1cb 100644
--- a/server/src/__tests__/issue-comment-reopen-routes.test.ts
+++ b/server/src/__tests__/issue-comment-reopen-routes.test.ts
@@ -61,6 +61,9 @@ const mockIssueThreadInteractionService = vi.hoisted(() => ({
   expireRequestConfirmationsSupersededByComment: vi.fn(async () => []),
   expireStaleRequestConfirmationsForIssueDocument: vi.fn(async () => []),
 }));
+const mockIssueTreeControlService = vi.hoisted(() => ({
+  getActivePauseHoldGate: vi.fn(async () => null),
+}));
 
 vi.mock("@paperclipai/shared/telemetry", () => ({
   trackAgentTaskCompleted: vi.fn(),
@@ -128,6 +131,7 @@ vi.mock("../services/index.js", () => ({
   }),
   issueService: () => mockIssueService,
   issueThreadInteractionService: () => mockIssueThreadInteractionService,
+  issueTreeControlService: () => mockIssueTreeControlService,
   logActivity: mockLogActivity,
   projectService: () => ({}),
   routineService: () => mockRoutineService,
@@ -214,6 +218,7 @@ describe.sequential("issue comment reopen routes", () => {
     mockInstanceSettingsService.get.mockReset();
     mockInstanceSettingsService.listCompanyIds.mockReset();
     mockRoutineService.syncRunStatusForIssue.mockReset();
+    mockIssueTreeControlService.getActivePauseHoldGate.mockReset();
     mockTxInsertValues.mockReset();
     mockTxInsert.mockReset();
     mockDb.transaction.mockReset();
@@ -241,6 +246,7 @@ describe.sequential("issue comment reopen routes", () => {
     });
     mockInstanceSettingsService.listCompanyIds.mockResolvedValue(["company-1"]);
     mockRoutineService.syncRunStatusForIssue.mockResolvedValue(undefined);
+    mockIssueTreeControlService.getActivePauseHoldGate.mockResolvedValue(null);
     mockIssueService.addComment.mockResolvedValue({
       id: "comment-1",
       issueId: "11111111-1111-4111-8111-111111111111",
diff --git a/server/src/routes/issues.ts b/server/src/routes/issues.ts
index 2e5456d4757..cbe599f454d 100644
--- a/server/src/routes/issues.ts
+++ b/server/src/routes/issues.ts
@@ -49,6 +49,7 @@ import {
   ISSUE_LIST_MAX_LIMIT,
   issueReferenceService,
   issueService,
+  issueTreeControlService,
   clampIssueListLimit,
   documentService,
   logActivity,
@@ -182,7 +183,7 @@ function isClosedIssueStatus(status: string | null | undefined): status is "done
   return status === "done" || status === "cancelled";
 }
 
-function shouldImplicitlyMoveCommentedIssueToTodoForAgent(input: {
+function shouldImplicitlyMoveCommentedIssueToTodo(input: {
   issueStatus: string | null | undefined;
   assigneeAgentId: string | null | undefined;
   actorType: "agent" | "user";
@@ -196,6 +197,10 @@ function shouldImplicitlyMoveCommentedIssueToTodoForAgent(input: {
   return true;
 }
 
+function isExplicitResumeCapableStatus(status: string | null | undefined) {
+  return status === "done" || status === "blocked" || status === "todo" || status === "in_progress";
+}
+
 function queueResolvedInteractionContinuationWakeup(input: {
   heartbeat: ReturnType<typeof heartbeatService>;
   issue: { id: string; assigneeAgentId: string | null; status: string };
@@ -404,6 +409,7 @@ export function issueRoutes(
   const documentsSvc = documentService(db);
   const issueReferencesSvc = issueReferenceService(db);
   const routinesSvc = routineService(db);
+  const treeControlSvc = issueTreeControlService(db);
   const feedbackExportService = opts?.feedbackExportService;
   const upload = multer({
     storage: multer.memoryStorage(),
@@ -621,6 +627,90 @@ export function issueRoutes(
     return true;
   }
 
+  async function assertExplicitResumeIntentAllowed(
+    req: Request,
+    res: Response,
+    issue: { id: string; companyId: string; status: string; assigneeAgentId: string | null },
+  ) {
+    if (issue.status === "cancelled") {
+      res.status(409).json({
+        error: "Cancelled issues must be restored through the dedicated restore flow",
+        details: {
+          issueId: issue.id,
+          status: issue.status,
+          securityPrinciples: ["Complete Mediation", "Fail Securely"],
+        },
+      });
+      return false;
+    }
+
+    if (!isExplicitResumeCapableStatus(issue.status)) {
+      res.status(409).json({
+        error: "Issue is not resumable through comment follow-up intent",
+        details: { issueId: issue.id, status: issue.status },
+      });
+      return false;
+    }
+
+    const activePauseHold = await treeControlSvc.getActivePauseHoldGate(issue.companyId, issue.id);
+    if (activePauseHold) {
+      res.status(409).json({
+        error: "Issue follow-up blocked by active subtree pause hold",
+        details: {
+          issueId: issue.id,
+          holdId: activePauseHold.holdId,
+          rootIssueId: activePauseHold.rootIssueId,
+          mode: activePauseHold.mode,
+          securityPrinciples: ["Complete Mediation", "Fail Securely", "Secure Defaults"],
+        },
+      });
+      return false;
+    }
+
+    if (issue.status === "blocked") {
+      const readiness = await svc.getDependencyReadiness(issue.id);
+      if (readiness.unresolvedBlockerCount > 0) {
+        res.status(409).json({
+          error: "Issue follow-up blocked by unresolved blockers",
+          details: {
+            issueId: issue.id,
+            unresolvedBlockerIssueIds: readiness.unresolvedBlockerIssueIds,
+          },
+        });
+        return false;
+      }
+    }
+
+    if (req.actor.type !== "agent") return true;
+
+    const actorAgentId = req.actor.agentId;
+    if (!actorAgentId) {
+      res.status(403).json({ error: "Agent authentication required" });
+      return false;
+    }
+    if (!issue.assigneeAgentId) {
+      res.status(409).json({
+        error: "Issue follow-up requires an assigned agent",
+        details: { issueId: issue.id, actorAgentId },
+      });
+      return false;
+    }
+    if (issue.assigneeAgentId === actorAgentId) return true;
+    if (await hasActiveCheckoutManagementOverride(actorAgentId, issue.companyId, issue.assigneeAgentId)) {
+      return true;
+    }
+
+    res.status(403).json({
+      error: "Agent cannot request follow-up for another agent's issue",
+      details: {
+        issueId: issue.id,
+        assigneeAgentId: issue.assigneeAgentId,
+        actorAgentId,
+      },
+    });
+    return false;
+  }
+
   async function resolveActiveIssueRun(issue: {
     id: string;
     assigneeAgentId: string | null;
@@ -1794,17 +1884,27 @@ export function issueRoutes(
       comment: commentBody,
       reviewRequest,
       reopen: reopenRequested,
+      resume: resumeRequested,
       interrupt: interruptRequested,
       hiddenAt: hiddenAtRaw,
       ...updateFields
     } = req.body;
+    if (resumeRequested === true && !commentBody) {
+      res.status(400).json({ error: "Follow-up intent requires a comment" });
+      return;
+    }
+    if (resumeRequested === true && !(await assertExplicitResumeIntentAllowed(req, res, existing))) return;
+    if (resumeRequested !== true && reopenRequested === true && req.actor.type === "agent") {
+      if (!(await assertExplicitResumeIntentAllowed(req, res, existing))) return;
+    }
     await assertIssueEnvironmentSelection(existing.companyId, updateFields.executionWorkspaceSettings?.environmentId);
     const requestedAssigneeAgentId =
       normalizedAssigneeAgentId === undefined ? existing.assigneeAgentId : normalizedAssigneeAgentId;
+    const explicitMoveToTodoRequested = reopenRequested || resumeRequested === true;
     const effectiveMoveToTodoRequested =
-      reopenRequested ||
+      explicitMoveToTodoRequested ||
       (!!commentBody &&
-        shouldImplicitlyMoveCommentedIssueToTodoForAgent({
+        shouldImplicitlyMoveCommentedIssueToTodo({
           issueStatus: existing.status,
           assigneeAgentId: requestedAssigneeAgentId,
           actorType: actor.actorType,
@@ -1817,6 +1917,10 @@ export function issueRoutes(
       isBlocked && effectiveMoveToTodoRequested
         ? (await svc.getDependencyReadiness(existing.id)).unresolvedBlockerCount > 0
         : false;
+    if (resumeRequested === true && isBlocked && hasUnresolvedFirstClassBlockers) {
+      res.status(409).json({ error: "Issue follow-up blocked by unresolved blockers" });
+      return;
+    }
     let interruptedRunId: string | null = null;
     const closedExecutionWorkspace = await getClosedIssueExecutionWorkspace(existing);
     const isAgentWorkUpdate =
@@ -2072,6 +2176,7 @@ export function issueRoutes(
         ...updateFields,
         identifier: issue.identifier,
         ...(commentBody ? { source: "comment" } : {}),
+        ...(resumeRequested === true ? { resumeIntent: true, followUpRequested: true } : {}),
         ...(reopened ? { reopened: true, reopenedFrom: reopenFromStatus } : {}),
         ...(interruptedRunId ? { interruptedRunId } : {}),
         _previous: hasFieldChanges ? previous : undefined,
@@ -2214,6 +2319,7 @@ export function issueRoutes(
           bodySnippet: comment.body.slice(0, 120),
           identifier: issue.identifier,
           issueTitle: issue.title,
+          ...(resumeRequested === true ? { resumeIntent: true, followUpRequested: true } : {}),
           ...(reopened ? { reopened: true, reopenedFrom: reopenFromStatus, source: "comment" } : {}),
           ...(interruptedRunId ? { interruptedRunId } : {}),
           ...(hasFieldChanges ? { updated: true } : {}),
@@ -3145,12 +3251,18 @@ export function issueRoutes(
 
     const actor = getActorInfo(req);
     const reopenRequested = req.body.reopen === true;
+    const resumeRequested = req.body.resume === true;
     const interruptRequested = req.body.interrupt === true;
+    if (resumeRequested === true && !(await assertExplicitResumeIntentAllowed(req, res, issue))) return;
+    if (resumeRequested !== true && reopenRequested === true && req.actor.type === "agent") {
+      if (!(await assertExplicitResumeIntentAllowed(req, res, issue))) return;
+    }
     const isClosed = isClosedIssueStatus(issue.status);
     const isBlocked = issue.status === "blocked";
+    const explicitMoveToTodoRequested = reopenRequested || resumeRequested === true;
     const effectiveMoveToTodoRequested =
-      reopenRequested ||
-      shouldImplicitlyMoveCommentedIssueToTodoForAgent({
+      explicitMoveToTodoRequested ||
+      shouldImplicitlyMoveCommentedIssueToTodo({
         issueStatus: issue.status,
         assigneeAgentId: issue.assigneeAgentId,
         actorType: actor.actorType,
@@ -3160,6 +3272,10 @@ export function issueRoutes(
       isBlocked && effectiveMoveToTodoRequested
         ? (await svc.getDependencyReadiness(issue.id)).unresolvedBlockerCount > 0
         : false;
+    if (resumeRequested === true && isBlocked && hasUnresolvedFirstClassBlockers) {
+      res.status(409).json({ error: "Issue follow-up blocked by unresolved blockers" });
+      return;
+    }
     let reopened = false;
     let reopenFromStatus: string | null = null;
     let interruptedRunId: string | null = null;
@@ -3252,6 +3368,7 @@ export function issueRoutes(
         bodySnippet: comment.body.slice(0, 120),
         identifier: currentIssue.identifier,
         issueTitle: currentIssue.title,
+        ...(resumeRequested === true ? { resumeIntent: true, followUpRequested: true } : {}),
         ...(reopened ? { reopened: true, reopenedFrom: reopenFromStatus, source: "comment" } : {}),
         ...(interruptedRunId ? { interruptedRunId } : {}),
         ...summarizeIssueReferenceActivityDetails({