diff --git a/packages/server/src/server/session/checkout/checkout-session.ts b/packages/server/src/server/session/checkout/checkout-session.ts
index f3b3ed4de..e9d58f762 100644
--- a/packages/server/src/server/session/checkout/checkout-session.ts
+++ b/packages/server/src/server/session/checkout/checkout-session.ts
@@ -576,7 +576,6 @@ export class CheckoutSession {
       // Branch is a git fact derived per-descriptor from each workspace's own
       // live git snapshot (id → cwd); the reconciliation pass re-persists the
       // `branch` field per workspace from its own cwd. No cwd → ids fan-out here.
-      // TODO(K10): PR-binding on branch rename is deferred — see plan K10.
 
       // Push a workspace_update immediately so the sidebar/header reflect
       // the new branch name without waiting for the background git watcher.
diff --git a/packages/server/src/server/worktree-core.posix.test.ts b/packages/server/src/server/worktree-core.posix.test.ts
index 2d4aaf87d..40bd983c7 100644
--- a/packages/server/src/server/worktree-core.posix.test.ts
+++ b/packages/server/src/server/worktree-core.posix.test.ts
@@ -879,6 +879,7 @@ describe.skipIf(isPlatform("win32"))("worktree-core POSIX-only", () => {
       expect(metadata?.changeRequestLookupTarget).toEqual({
         headRef: "feature/gitlab-mr",
         changeRequestNumber: 14,
+        localBranchName: "feature/gitlab-mr-1",
       });
       expect(facts).toMatchObject({
         isGit: true,
diff --git a/packages/server/src/utils/checkout-git.test.ts b/packages/server/src/utils/checkout-git.test.ts
index 110d3599f..8a2f879e1 100644
--- a/packages/server/src/utils/checkout-git.test.ts
+++ b/packages/server/src/utils/checkout-git.test.ts
@@ -89,7 +89,11 @@ function createLegacyWorktreeForTest(
     paseoHome: options.paseoHome,
   });
 }
-import { getPaseoWorktreeMetadataPath } from "./worktree-metadata.js";
+import {
+  getPaseoWorktreeMetadataPath,
+  readPaseoWorktreeMetadata,
+  writePaseoWorktreeMetadata,
+} from "./worktree-metadata.js";
 
 function initRepo(): { tempDir: string; repoDir: string } {
   const tempDir = realpathSync.native(mkdtempSync(join(tmpdir(), "checkout-git-test-")));
@@ -2480,6 +2484,287 @@ const x = 1;
     expect(lookupTarget?.headSha).toMatch(/^[0-9a-f]{40}$/);
   });
 
+  it("reconciles a PR worktree lookup from current branch tracking", async () => {
+    execFileSync("git", ["remote", "add", "origin", "https://github.com/acme/repo.git"], {
+      cwd: repoDir,
+    });
+    execFileSync("git", ["branch", "contributor/old-change"], { cwd: repoDir });
+    execFileSync("git", ["branch", "new-change"], { cwd: repoDir });
+    execFileSync("git", ["config", "branch.new-change.remote", "origin"], { cwd: repoDir });
+    execFileSync("git", ["config", "branch.new-change.merge", "refs/heads/new-change"], {
+      cwd: repoDir,
+    });
+    const workspaceDir = join(paseoHome, "worktrees", "repo", "pr-worktree");
+    mkdirSync(join(paseoHome, "worktrees", "repo"), { recursive: true });
+    execFileSync("git", ["worktree", "add", workspaceDir, "contributor/old-change"], {
+      cwd: repoDir,
+    });
+    const staleLookupTarget = {
+      headRef: "old-change",
+      headRepositoryOwner: "contributor",
+      changeRequestNumber: 41,
+    };
+    writePaseoWorktreeMetadata(workspaceDir, {
+      baseRefName: "main",
+      changeRequestLookupTarget: {
+        ...staleLookupTarget,
+        localBranchName: "contributor/old-change",
+      },
+    });
+
+    expect(await readPullRequestLookupTargetFromFacts(workspaceDir, paseoHome)).toMatchObject({
+      headRef: "old-change",
+      headRepositoryOwner: "contributor",
+    });
+
+    execFileSync("git", ["checkout", "new-change"], { cwd: workspaceDir });
+    startGitCommandMetrics();
+    const switchedTarget = await readPullRequestLookupTargetFromFacts(workspaceDir, paseoHome);
+    const commands = stopGitCommandMetrics().commands.map((command) => command.args[0]);
+
+    expect(switchedTarget).toMatchObject({ headRef: "new-change" });
+    expect(switchedTarget).not.toHaveProperty("headRepositoryOwner");
+    expect(commands).not.toContain("fetch");
+
+    writePaseoWorktreeMetadata(workspaceDir, {
+      baseRefName: "main",
+      changeRequestLookupTarget: {
+        ...staleLookupTarget,
+        localBranchName: "new-change",
+      },
+    });
+    expect(await readPullRequestLookupTargetFromFacts(workspaceDir, paseoHome)).toMatchObject({
+      headRef: "new-change",
+    });
+
+    execFileSync(
+      "git",
+      ["remote", "add", "enterprise-fork", "git@github.acme.internal:contributor/repo.git"],
+      {
+        cwd: repoDir,
+      },
+    );
+    execFileSync("git", ["config", "branch.new-change.remote", "enterprise-fork"], {
+      cwd: repoDir,
+    });
+    execFileSync("git", ["config", "branch.new-change.merge", "refs/heads/old-change"], {
+      cwd: repoDir,
+    });
+    expect(await readPullRequestLookupTargetFromFacts(workspaceDir, paseoHome)).toMatchObject({
+      headRef: "old-change",
+      headRepositoryOwner: "contributor",
+    });
+
+    execFileSync("git", ["branch", "local-upstream"], { cwd: repoDir });
+    execFileSync("git", ["config", "branch.new-change.remote", "."], { cwd: repoDir });
+    execFileSync("git", ["config", "branch.new-change.merge", "refs/heads/local-upstream"], {
+      cwd: repoDir,
+    });
+    expect(await readPullRequestLookupTargetFromFacts(workspaceDir, paseoHome)).toMatchObject({
+      headRef: "local-upstream",
+    });
+  });
+
+  it("does not apply ambiguous legacy PR metadata to a suffixed branch", async () => {
+    execFileSync("git", ["branch", "contributor/old-change-1"], { cwd: repoDir });
+    const workspaceDir = join(paseoHome, "worktrees", "repo", "legacy-pr-worktree");
+    mkdirSync(join(paseoHome, "worktrees", "repo"), { recursive: true });
+    execFileSync("git", ["worktree", "add", workspaceDir, "contributor/old-change-1"], {
+      cwd: repoDir,
+    });
+    writePaseoWorktreeMetadata(workspaceDir, {
+      baseRefName: "main",
+      changeRequestLookupTarget: {
+        headRef: "old-change",
+        headRepositoryOwner: "contributor",
+        changeRequestNumber: 41,
+      },
+    });
+
+    const lookupTarget = await readPullRequestLookupTargetFromFacts(workspaceDir, paseoHome);
+
+    expect(lookupTarget).toMatchObject({ headRef: "contributor/old-change-1" });
+    expect(lookupTarget).not.toHaveProperty("headRepositoryOwner");
+  });
+
+  it("does not apply a legacy fork hint to an ownerless branch with the same head", async () => {
+    execFileSync("git", ["branch", "contributor/old-change"], { cwd: repoDir });
+    execFileSync("git", ["branch", "old-change"], { cwd: repoDir });
+    const workspaceDir = join(paseoHome, "worktrees", "repo", "legacy-fork-worktree");
+    mkdirSync(join(paseoHome, "worktrees", "repo"), { recursive: true });
+    execFileSync("git", ["worktree", "add", workspaceDir, "contributor/old-change"], {
+      cwd: repoDir,
+    });
+    writePaseoWorktreeMetadata(workspaceDir, {
+      baseRefName: "main",
+      changeRequestLookupTarget: {
+        headRef: "old-change",
+        headRepositoryOwner: "contributor",
+        changeRequestNumber: 41,
+      },
+    });
+    const requestedTargets: RequestedPullRequestTarget[] = [];
+    const forge = createGitHubServiceRecordingPullRequestTargets({ requestedTargets });
+
+    const forkFacts = await getCheckoutSnapshotFacts(workspaceDir, { paseoHome });
+    await getPullRequestStatus(
+      workspaceDir,
+      forge,
+      { force: true, reason: "legacy-fork-branch" },
+      { paseoHome, facts: forkFacts },
+    );
+    expect(requestedTargets.at(-1)).toMatchObject({
+      headRef: "old-change",
+      headRepositoryOwner: "contributor",
+    });
+
+    execFileSync("git", ["checkout", "old-change"], { cwd: workspaceDir });
+    const ownerlessFacts = await getCheckoutSnapshotFacts(workspaceDir, { paseoHome });
+    await getPullRequestStatus(
+      workspaceDir,
+      forge,
+      { force: true, reason: "ownerless-same-head" },
+      { paseoHome, facts: ownerlessFacts },
+    );
+
+    expect(requestedTargets.at(-1)).toMatchObject({ headRef: "old-change" });
+    expect(requestedTargets.at(-1)).not.toHaveProperty("headRepositoryOwner");
+  });
+
+  it("recognizes a normalized GitHub owner branch from legacy Enterprise metadata", async () => {
+    execFileSync("git", ["remote", "add", "origin", "git@github.acme.internal:base/repo.git"], {
+      cwd: repoDir,
+    });
+    execFileSync(
+      "git",
+      ["remote", "add", "enterprise-fork", "git@github.acme.internal:MixedOwner/repo.git"],
+      {
+        cwd: repoDir,
+      },
+    );
+    execFileSync("git", ["branch", "mixedowner/old-change"], { cwd: repoDir });
+    execFileSync("git", ["config", "branch.mixedowner/old-change.remote", "enterprise-fork"], {
+      cwd: repoDir,
+    });
+    execFileSync("git", ["config", "branch.mixedowner/old-change.merge", "refs/heads/old-change"], {
+      cwd: repoDir,
+    });
+    const workspaceDir = join(paseoHome, "worktrees", "repo", "legacy-enterprise-worktree");
+    mkdirSync(join(paseoHome, "worktrees", "repo"), { recursive: true });
+    execFileSync("git", ["worktree", "add", workspaceDir, "mixedowner/old-change"], {
+      cwd: repoDir,
+    });
+    writePaseoWorktreeMetadata(workspaceDir, {
+      baseRefName: "main",
+      changeRequestLookupTarget: {
+        headRef: "old-change",
+        headRepositoryOwner: "MixedOwner",
+        changeRequestNumber: 41,
+      },
+    });
+    const requestedTargets: RequestedPullRequestTarget[] = [];
+    const forge = createGitHubServiceRecordingPullRequestTargets({ requestedTargets });
+
+    const facts = await getCheckoutSnapshotFacts(workspaceDir, { paseoHome });
+    await getPullRequestStatus(
+      workspaceDir,
+      forge,
+      { force: true, reason: "legacy-enterprise-owner" },
+      { paseoHome, facts },
+    );
+
+    expect(requestedTargets).toEqual([
+      expect.objectContaining({ headRef: "old-change", headRepositoryOwner: "MixedOwner" }),
+    ]);
+
+    execFileSync(
+      "git",
+      ["remote", "add", "replacement-fork", "git@github.acme.internal:OtherOwner/repo.git"],
+      { cwd: repoDir },
+    );
+    execFileSync("git", ["config", "branch.mixedowner/old-change.remote", "replacement-fork"], {
+      cwd: repoDir,
+    });
+    const repointedFacts = await getCheckoutSnapshotFacts(workspaceDir, { paseoHome });
+    await getPullRequestStatus(
+      workspaceDir,
+      forge,
+      { force: true, reason: "repointed-enterprise-owner" },
+      { paseoHome, facts: repointedFacts },
+    );
+
+    expect(requestedTargets.at(-1)).toMatchObject({
+      headRef: "old-change",
+      headRepositoryOwner: "OtherOwner",
+    });
+  });
+
+  it("keeps a ref-only change request bound across rename but not branch switch", async () => {
+    execFileSync("git", ["branch", "feature/gitlab-mr"], { cwd: repoDir });
+    const workspaceDir = join(paseoHome, "worktrees", "repo", "gitlab-mr-worktree");
+    mkdirSync(join(paseoHome, "worktrees", "repo"), { recursive: true });
+    execFileSync("git", ["worktree", "add", workspaceDir, "feature/gitlab-mr"], {
+      cwd: repoDir,
+    });
+    writePaseoWorktreeMetadata(workspaceDir, {
+      baseRefName: "main",
+      changeRequestLookupTarget: {
+        headRef: "feature/gitlab-mr",
+        changeRequestNumber: 14,
+        localBranchName: "feature/gitlab-mr",
+      },
+    });
+    const workspaceCwd = join(workspaceDir, "packages", "service");
+    mkdirSync(workspaceCwd, { recursive: true });
+    const requestedTargets: RequestedPullRequestTarget[] = [];
+    const forge = createGitHubServiceRecordingPullRequestTargets({ requestedTargets });
+
+    await renameCurrentBranch(workspaceCwd, "feature/renamed");
+    expect(readPaseoWorktreeMetadata(workspaceDir)?.changeRequestLookupTarget).toMatchObject({
+      localBranchName: "feature/renamed",
+    });
+    const renamedFacts = await getCheckoutSnapshotFacts(workspaceDir, { paseoHome });
+    const renamedStatus = await getPullRequestStatus(
+      workspaceDir,
+      forge,
+      { force: true, reason: "renamed-change-request" },
+      { paseoHome, facts: renamedFacts },
+    );
+
+    expect(requestedTargets).toEqual([expect.objectContaining({ headRef: "feature/gitlab-mr" })]);
+    expect(renamedStatus.status?.headRefName).toBe("feature/gitlab-mr");
+
+    execFileSync("git", ["checkout", "-b", "other-branch"], { cwd: workspaceDir });
+    const switchedFacts = await getCheckoutSnapshotFacts(workspaceDir, { paseoHome });
+    await getPullRequestStatus(
+      workspaceDir,
+      forge,
+      { force: true, reason: "switched-after-rename" },
+      { paseoHome, facts: switchedFacts },
+    );
+
+    expect(requestedTargets.at(-1)).toMatchObject({ headRef: "other-branch" });
+  });
+
+  it("keeps fork identity when the local and tracked branch names match", async () => {
+    execFileSync("git", ["remote", "add", "origin", "https://github.com/getpaseo/paseo.git"], {
+      cwd: repoDir,
+    });
+    execFileSync("git", ["remote", "add", "contributor", "git@github.com:contributor/paseo.git"], {
+      cwd: repoDir,
+    });
+    execFileSync("git", ["checkout", "-b", "topic"], { cwd: repoDir });
+    execFileSync("git", ["config", "branch.topic.remote", "contributor"], { cwd: repoDir });
+    execFileSync("git", ["config", "branch.topic.merge", "refs/heads/topic"], { cwd: repoDir });
+
+    const lookupTarget = await readPullRequestLookupTargetFromFacts(repoDir, paseoHome);
+
+    expect(lookupTarget).toMatchObject({
+      headRef: "topic",
+      headRepositoryOwner: "contributor",
+    });
+  });
+
   it("does not attach an owner when the tracked remote is the same GitHub repository", async () => {
     execFileSync("git", ["checkout", "-b", "local-feature"], { cwd: repoDir });
     execFileSync("git", ["remote", "add", "origin", "git@github.com:getpaseo/paseo.git"], {
@@ -2571,6 +2856,50 @@ const x = 1;
     expect(lookupTarget?.headSha).toMatch(/^[0-9a-f]{40}$/);
   });
 
+  it("keeps the local branch lookup when a fork tracks the upstream base branch", async () => {
+    execFileSync("git", ["checkout", "-b", "local-feature"], { cwd: repoDir });
+    execFileSync("git", ["remote", "add", "origin", "git@github.com:contributor/paseo.git"], {
+      cwd: repoDir,
+    });
+    execFileSync("git", ["remote", "add", "upstream", "https://github.com/getpaseo/paseo.git"], {
+      cwd: repoDir,
+    });
+    execFileSync("git", ["config", "branch.local-feature.remote", "upstream"], {
+      cwd: repoDir,
+    });
+    execFileSync("git", ["config", "branch.local-feature.merge", "refs/heads/main"], {
+      cwd: repoDir,
+    });
+
+    const lookupTarget = await readPullRequestLookupTargetFromFacts(repoDir, paseoHome);
+
+    expect(lookupTarget).toMatchObject({ headRef: "local-feature" });
+    expect(lookupTarget).not.toHaveProperty("headRepositoryOwner");
+  });
+
+  it("treats differently cased Enterprise remotes as the same repository", async () => {
+    execFileSync("git", ["checkout", "-b", "local-feature"], { cwd: repoDir });
+    execFileSync("git", ["remote", "add", "origin", "git@github.acme.internal:Acme/Repo.git"], {
+      cwd: repoDir,
+    });
+    execFileSync(
+      "git",
+      ["remote", "add", "enterprise-alias", "git@github.acme.internal:acme/repo.git"],
+      { cwd: repoDir },
+    );
+    execFileSync("git", ["config", "branch.local-feature.remote", "enterprise-alias"], {
+      cwd: repoDir,
+    });
+    execFileSync("git", ["config", "branch.local-feature.merge", "refs/heads/main"], {
+      cwd: repoDir,
+    });
+
+    const lookupTarget = await readPullRequestLookupTargetFromFacts(repoDir, paseoHome);
+
+    expect(lookupTarget).toMatchObject({ headRef: "local-feature" });
+    expect(lookupTarget).not.toHaveProperty("headRepositoryOwner");
+  });
+
   it("derives the same origin tracked head for on-demand PR status reads", async () => {
     execFileSync("git", ["checkout", "-b", "tender-parrot"], { cwd: repoDir });
     execFileSync("git", ["remote", "add", "origin", "https://github.com/getpaseo/paseo.git"], {
diff --git a/packages/server/src/utils/checkout-git.ts b/packages/server/src/utils/checkout-git.ts
index d2e7ae29c..77763f921 100644
--- a/packages/server/src/utils/checkout-git.ts
+++ b/packages/server/src/utils/checkout-git.ts
@@ -3,6 +3,7 @@ import { existsSync, realpathSync } from "fs";
 import { open as openFile, readFile, stat as statFile } from "fs/promises";
 import { TTLCache } from "@isaacs/ttlcache";
 import type { CheckoutCommit, CheckoutCommitFile } from "@getpaseo/protocol/messages";
+import { parseGitHubRemoteIdentity, parseGitRemoteLocation } from "@getpaseo/protocol/git-remote";
 import { maxBase64EncryptedPlaintextByteLength } from "@getpaseo/relay";
 import type { Logger } from "pino";
 import type { ParsedDiffFile } from "../server/utils/diff-highlighter.js";
@@ -28,7 +29,12 @@ import {
 import { parseGitRevParsePath, resolveGitRevParsePath } from "./git-rev-parse-path.js";
 import { runGitCommand } from "./run-git-command.js";
 import { isPaseoOwnedWorktreeCwd, resolvePaseoWorktreesBaseRoot } from "./worktree.js";
-import { type PaseoWorktreeMetadata, readPaseoWorktreeMetadata } from "./worktree-metadata.js";
+import {
+  getPaseoWorktreeChangeRequestHintForBranch,
+  type PaseoWorktreeMetadata,
+  readPaseoWorktreeMetadata,
+  rebindPaseoWorktreeChangeRequestHint,
+} from "./worktree-metadata.js";
 const READ_ONLY_GIT_ENV = {
   GIT_OPTIONAL_LOCKS: "0",
   LC_ALL: "C",
@@ -827,6 +833,22 @@ async function requireGitRepo(cwd: string): Promise<void> {
   }
 }
 
+async function requireGitWorktreeRoot(cwd: string): Promise<string> {
+  try {
+    const { stdout } = await runGitCommand(["rev-parse", "--show-toplevel"], {
+      cwd,
+      envOverlay: READ_ONLY_GIT_ENV,
+    });
+    const worktreeRoot = parseGitRevParsePath(stdout);
+    if (!worktreeRoot) {
+      throw new Error("Git returned no worktree root");
+    }
+    return worktreeRoot;
+  } catch {
+    throw new NotGitRepoError(cwd);
+  }
+}
+
 export async function getCurrentBranch(cwd: string): Promise<string | null> {
   try {
     const { stdout } = await runGitCommand(["rev-parse", "--abbrev-ref", "HEAD"], {
@@ -1037,7 +1059,7 @@ export async function renameCurrentBranch(
   cwd: string,
   newName: string,
 ): Promise<{ previousBranch: string | null; currentBranch: string | null }> {
-  await requireGitRepo(cwd);
+  const worktreeRoot = await requireGitWorktreeRoot(cwd);
 
   const previousBranch = await getCurrentBranch(cwd);
   if (!previousBranch || previousBranch === "HEAD") {
@@ -1050,6 +1072,9 @@ export async function renameCurrentBranch(
   });
 
   const currentBranch = await getCurrentBranch(cwd);
+  if (currentBranch) {
+    rebindPaseoWorktreeChangeRequestHint(worktreeRoot, previousBranch, currentBranch);
+  }
   return { previousBranch, currentBranch };
 }
 
@@ -1600,22 +1625,25 @@ function buildPullRequestLookupTargetFromBranchConfig(
   input: PullRequestLookupTargetBranchConfig,
 ): PullRequestStatusLookupTarget {
   const trackedHeadRef = parseBranchMergeHeadRef(input.branchMergeRef);
-  if (!input.branchRemoteName || !trackedHeadRef || trackedHeadRef === input.currentBranch) {
+  if (!input.branchRemoteName || !trackedHeadRef) {
     return { headRef: input.currentBranch };
   }
 
-  const remoteRepo = input.branchRemoteUrl
-    ? parseGitHubRepoFromRemote(input.branchRemoteUrl)
-    : null;
-  const originRepo = input.originRemoteUrl
-    ? parseGitHubRepoFromRemote(input.originRemoteUrl)
-    : null;
-  const isSameRepo = Boolean(remoteRepo && originRepo && remoteRepo === originRepo);
+  const remoteRepo = parseRepositoryIdentityFromRemote(input.branchRemoteUrl);
+  const originRepo = parseRepositoryIdentityFromRemote(input.originRemoteUrl);
+  const isSameRepo = areSameGitHubRepository(remoteRepo, originRepo);
   const headRepositoryOwner = remoteRepo && !isSameRepo ? remoteRepo.split("/")[0] : null;
   const normalizedBaseRef = input.resolvedBaseRef
     ? normalizeLocalBranchRefName(input.resolvedBaseRef)
     : null;
-  if (trackedHeadRef === normalizedBaseRef && !headRepositoryOwner) {
+  if (
+    trackedHeadRef === normalizedBaseRef &&
+    !doesLocalBranchNameIdentifyTrackedHead(
+      input.currentBranch,
+      trackedHeadRef,
+      headRepositoryOwner,
+    )
+  ) {
     return { headRef: input.currentBranch };
   }
 
@@ -1629,6 +1657,34 @@ function buildPullRequestLookupTargetFromBranchConfig(
   };
 }
 
+function parseRepositoryIdentityFromRemote(remoteUrl: string | null): string | null {
+  if (!remoteUrl) {
+    return null;
+  }
+  const location = parseGitRemoteLocation(remoteUrl);
+  return location ? (parseGitHubRemoteIdentity(location.path)?.repo ?? null) : null;
+}
+
+function areSameGitHubRepository(left: string | null, right: string | null): boolean {
+  return Boolean(left && right && left.toLowerCase() === right.toLowerCase());
+}
+
+function doesLocalBranchNameIdentifyTrackedHead(
+  currentBranch: string,
+  trackedHeadRef: string,
+  headRepositoryOwner: string | null,
+): boolean {
+  if (currentBranch === trackedHeadRef) {
+    return true;
+  }
+  if (!headRepositoryOwner) {
+    return false;
+  }
+  return [headRepositoryOwner, headRepositoryOwner.toLowerCase()].some(
+    (owner) => currentBranch === `${owner}/${trackedHeadRef}`,
+  );
+}
+
 function buildPullRequestLookupTargetFromPushConfig(
   input: PullRequestLookupTargetPushConfig,
 ): PullRequestStatusLookupTarget | null {
@@ -1641,7 +1697,7 @@ function buildPullRequestLookupTargetFromPushConfig(
   const originRepo = input.originRemoteUrl
     ? parseGitHubRepoFromRemote(input.originRemoteUrl)
     : null;
-  const isSameRepo = Boolean(remoteRepo && originRepo && remoteRepo === originRepo);
+  const isSameRepo = areSameGitHubRepository(remoteRepo, originRepo);
   const headRepositoryOwner = remoteRepo && !isSameRepo ? remoteRepo.split("/")[0] : null;
   const normalizedBaseRef = input.resolvedBaseRef
     ? normalizeLocalBranchRefName(input.resolvedBaseRef)
@@ -1658,8 +1714,9 @@ function buildPullRequestLookupTargetFromPushConfig(
 
 function buildPullRequestLookupTargetFromMetadata(
   metadata: PaseoWorktreeMetadata | null,
+  currentBranch: string,
 ): PullRequestStatusLookupTarget | null {
-  const target = metadata?.changeRequestLookupTarget;
+  const target = getPaseoWorktreeChangeRequestHintForBranch(metadata, currentBranch);
   if (!target) {
     return null;
   }
@@ -1682,8 +1739,22 @@ function buildInitialPullRequestLookupTarget(input: {
     return null;
   }
 
+  const hasConfiguredBranchTarget = Boolean(
+    input.branchRemoteName && parseBranchMergeHeadRef(input.branchMergeRef),
+  );
+  if (hasConfiguredBranchTarget) {
+    return buildPullRequestLookupTargetFromBranchConfig({
+      currentBranch: input.currentBranch,
+      branchRemoteName: input.branchRemoteName,
+      branchMergeRef: input.branchMergeRef,
+      branchRemoteUrl: input.branchRemoteUrl,
+      originRemoteUrl: input.originRemoteUrl,
+      resolvedBaseRef: input.resolvedBaseRef,
+    });
+  }
+
   return (
-    buildPullRequestLookupTargetFromMetadata(input.metadata) ??
+    buildPullRequestLookupTargetFromMetadata(input.metadata, input.currentBranch) ??
     buildPullRequestLookupTargetFromBranchConfig({
       currentBranch: input.currentBranch,
       branchRemoteName: input.branchRemoteName,
diff --git a/packages/server/src/utils/worktree-metadata.ts b/packages/server/src/utils/worktree-metadata.ts
index 4300c4370..931a29966 100644
--- a/packages/server/src/utils/worktree-metadata.ts
+++ b/packages/server/src/utils/worktree-metadata.ts
@@ -6,6 +6,7 @@ const ChangeRequestLookupTargetSchema = z.object({
   headRef: z.string().min(1),
   headRepositoryOwner: z.string().min(1).optional(),
   changeRequestNumber: z.number().int().positive().optional(),
+  localBranchName: z.string().min(1).optional(),
 });
 
 const PaseoWorktreeMetadataV1Schema = z.object({
@@ -44,9 +45,66 @@ const PaseoWorktreeMetadataSchema = z.union([
 ]);
 
 export type PaseoWorktreeMetadata = z.infer<typeof PaseoWorktreeMetadataSchema>;
-export type PaseoWorktreeChangeRequestLookupTarget = z.infer<
-  typeof ChangeRequestLookupTargetSchema
->;
+export type PaseoWorktreeChangeRequestHint = z.infer<typeof ChangeRequestLookupTargetSchema>;
+
+export function createPaseoWorktreeChangeRequestHint(
+  input: PaseoWorktreeChangeRequestHint,
+): PaseoWorktreeChangeRequestHint {
+  return ChangeRequestLookupTargetSchema.parse(input);
+}
+
+export function getPaseoWorktreeChangeRequestHintForBranch(
+  metadata: PaseoWorktreeMetadata | null,
+  currentBranch: string,
+): PaseoWorktreeChangeRequestHint | null {
+  const target = metadata?.changeRequestLookupTarget;
+  if (!target) {
+    return null;
+  }
+  if (target.localBranchName) {
+    return target.localBranchName === currentBranch ? target : null;
+  }
+
+  // COMPAT(change-request-local-branch): metadata before v0.2.5 omitted the
+  // local binding; remove after 2027-07-31.
+  const canonicalBranches = new Set<string>();
+  if (target.headRepositoryOwner) {
+    canonicalBranches.add(`${target.headRepositoryOwner}/${target.headRef}`);
+    const normalizedOwner = normalizeLegacyGitHubOwnerForBranch(target.headRepositoryOwner);
+    if (normalizedOwner) {
+      canonicalBranches.add(`${normalizedOwner}/${target.headRef}`);
+    }
+  } else {
+    canonicalBranches.add(target.headRef);
+  }
+  return canonicalBranches.has(currentBranch) ? target : null;
+}
+
+function normalizeLegacyGitHubOwnerForBranch(owner: string): string | null {
+  const normalized = owner.trim().toLowerCase();
+  return /^[a-z0-9-]+$/.test(normalized) ? normalized : null;
+}
+
+export function rebindPaseoWorktreeChangeRequestHint(
+  worktreeRoot: string,
+  previousBranch: string,
+  currentBranch: string,
+): boolean {
+  const metadata = readPaseoWorktreeMetadata(worktreeRoot);
+  const target = getPaseoWorktreeChangeRequestHintForBranch(metadata, previousBranch);
+  if (!metadata || !target) {
+    return false;
+  }
+
+  writePaseoWorktreeMetadataFile(worktreeRoot, {
+    ...metadata,
+    changeRequestLookupTarget: {
+      ...target,
+      localBranchName: currentBranch,
+    },
+  });
+  return true;
+}
 
 function getGitDirForWorktreeRoot(worktreeRoot: string): string {
   const gitPath = join(worktreeRoot, ".git");
@@ -90,7 +148,7 @@ export function writePaseoWorktreeMetadata(
   worktreeRoot: string,
   options: {
     baseRefName: string;
-    changeRequestLookupTarget?: PaseoWorktreeChangeRequestLookupTarget;
+    changeRequestLookupTarget?: PaseoWorktreeChangeRequestHint;
   },
 ): void {
   const baseRefName = normalizeBaseRefName(options.baseRefName);
diff --git a/packages/server/src/utils/worktree.ts b/packages/server/src/utils/worktree.ts
index 4ab641806..45fe7fa10 100644
--- a/packages/server/src/utils/worktree.ts
+++ b/packages/server/src/utils/worktree.ts
@@ -22,8 +22,9 @@ export {
 } from "@getpaseo/protocol/paseo-config-schema";
 import { PaseoConfigSchema, type PaseoConfig } from "@getpaseo/protocol/paseo-config-schema";
 import {
+  createPaseoWorktreeChangeRequestHint,
   normalizeBaseRefName,
-  type PaseoWorktreeChangeRequestLookupTarget,
+  type PaseoWorktreeChangeRequestHint,
   readPaseoWorktreeMetadata,
   readPaseoWorktreeRuntimePort,
   writePaseoWorktreeMetadata,
@@ -1300,7 +1301,7 @@ interface ResolveWorktreeSourcePlanOptions {
 interface WorktreeSourcePlan {
   branchName: string;
   metadataBaseRefName: string;
-  changeRequestLookupTarget?: PaseoWorktreeChangeRequestLookupTarget;
+  changeRequestLookupTarget?: PaseoWorktreeChangeRequestHint;
   addArguments: string[];
   pushRemote?: {
     name: string;
@@ -1408,13 +1409,14 @@ async function resolveWorktreeSourcePlan({
       return {
         branchName: localBranchName,
         metadataBaseRefName: normalizedBaseRefName,
-        changeRequestLookupTarget: {
+        changeRequestLookupTarget: createPaseoWorktreeChangeRequestHint({
           headRef: source.headRef,
           ...(source.headRepositoryOwner
             ? { headRepositoryOwner: source.headRepositoryOwner }
             : {}),
           changeRequestNumber,
-        },
+          localBranchName,
+        }),
         addArguments: [localBranchName],
         ...remotePlan,
       };