diff --git a/scripts/github/pr_manager.py b/scripts/github/pr_manager.py
index d1cb7f7b..2e1a2f77 100644
--- a/scripts/github/pr_manager.py
+++ b/scripts/github/pr_manager.py
@@ -3,6 +3,7 @@
 
 import argparse
 import json
+import re
 import subprocess
 from pathlib import Path
 
@@ -28,6 +29,23 @@ def _run_stream(command: list[str], cwd: Path) -> int:
     return result.returncode
 
 
+def _run_stream_with_output(command: list[str], cwd: Path) -> tuple[int, str]:
+    result = subprocess.run(
+        command,
+        cwd=cwd,
+        capture_output=True,
+        text=True,
+        check=False,
+    )
+    output_parts = [
+        part.strip() for part in (result.stdout, result.stderr) if part.strip()
+    ]
+    output = "\n".join(output_parts)
+    if output:
+        print(output)
+    return result.returncode, output
+
+
 def _current_branch(repo_root: Path) -> str:
     return _run_capture(["git", "rev-parse", "--abbrev-ref", "HEAD"], repo_root)
 
@@ -79,6 +97,41 @@ def _selector(pr_number: str, head: str) -> str:
     return pr_number if pr_number else head
 
 
+def _release_tag_from_head(head: str) -> str | None:
+    version = head.removesuffix("-dev")
+    if re.fullmatch(r"\d+\.\d+\.\d+", version):
+        return f"v{version}"
+    match = re.fullmatch(r"release/(?P<version>\d+\.\d+\.\d+)", head)
+    if match:
+        return f"v{match.group('version')}"
+    return None
+
+
+def _is_workspace_release_repo(repo_root: Path) -> bool:
+    return (repo_root / ".github" / "workflows" / "release.yml").exists()
+
+
+def _trigger_release_if_needed(repo_root: Path, head: str) -> None:
+    if not _is_workspace_release_repo(repo_root):
+        return
+    tag = _release_tag_from_head(head)
+    if tag is None:
+        return
+
+    if _run_stream(["gh", "release", "view", tag], repo_root) == 0:
+        print(f"status=release-exists tag={tag}")
+        return
+
+    run_code = _run_stream(
+        ["gh", "workflow", "run", "release.yml", "-f", f"tag={tag}"],
+        repo_root,
+    )
+    if run_code == 0:
+        print(f"status=release-dispatched tag={tag}")
+    else:
+        print(f"status=release-dispatch-failed tag={tag} exit={run_code}")
+
+
 def _create_pr(
     repo_root: Path,
     base: str,
@@ -118,9 +171,11 @@ def _create_pr(
 def _merge_pr(
     repo_root: Path,
     selector: str,
+    head: str,
     method: str,
     auto: int,
     delete_branch: int,
+    release_on_merge: int,
 ) -> int:
     command = ["gh", "pr", "merge", selector]
     merge_flag = {
@@ -133,9 +188,18 @@ def _merge_pr(
         command.append("--auto")
     if delete_branch == 1:
         command.append("--delete-branch")
-    exit_code = _run_stream(command, repo_root)
+    exit_code, output = _run_stream_with_output(command, repo_root)
+    if exit_code != 0 and "not mergeable" in output:
+        update_code, _ = _run_stream_with_output(
+            ["gh", "pr", "update-branch", selector, "--rebase"],
+            repo_root,
+        )
+        if update_code == 0:
+            exit_code, _ = _run_stream_with_output(command, repo_root)
     if exit_code == 0:
         print("status=merged")
+        if release_on_merge == 1:
+            _trigger_release_if_needed(repo_root, head)
     return exit_code
 
 
@@ -157,6 +221,7 @@ def _parse_args() -> argparse.Namespace:
     _ = parser.add_argument("--auto", type=int, default=0)
     _ = parser.add_argument("--delete-branch", type=int, default=0)
     _ = parser.add_argument("--checks-strict", type=int, default=0)
+    _ = parser.add_argument("--release-on-merge", type=int, default=1)
     return parser.parse_args()
 
 
@@ -189,9 +254,11 @@ def main() -> int:
         return _merge_pr(
             repo_root,
             selector,
+            head,
             args.merge_method,
             args.auto,
             args.delete_branch,
+            args.release_on_merge,
         )
 
     if args.action == "close":
diff --git a/scripts/github/pr_workspace.py b/scripts/github/pr_workspace.py
new file mode 100644
index 00000000..c2962743
--- /dev/null
+++ b/scripts/github/pr_workspace.py
@@ -0,0 +1,213 @@
+#!/usr/bin/env python3
+from __future__ import annotations
+
+import argparse
+import subprocess
+import time
+from pathlib import Path
+import sys
+
+
+REPO_ROOT = Path(__file__).resolve().parents[2]
+if str(REPO_ROOT) not in sys.path:
+    sys.path.insert(0, str(REPO_ROOT))
+
+from libs.selection import resolve_projects
+from libs.subprocess import run_capture, run_checked
+
+
+def _parse_args() -> argparse.Namespace:
+    parser = argparse.ArgumentParser()
+    _ = parser.add_argument("--workspace-root", type=Path, default=Path("."))
+    _ = parser.add_argument("--project", action="append", default=[])
+    _ = parser.add_argument("--include-root", type=int, default=1)
+    _ = parser.add_argument("--branch", default="")
+    _ = parser.add_argument("--fail-fast", type=int, default=0)
+    _ = parser.add_argument("--checkpoint", type=int, default=1)
+    _ = parser.add_argument("--pr-action", default="status")
+    _ = parser.add_argument("--pr-base", default="main")
+    _ = parser.add_argument("--pr-head", default="")
+    _ = parser.add_argument("--pr-number", default="")
+    _ = parser.add_argument("--pr-title", default="")
+    _ = parser.add_argument("--pr-body", default="")
+    _ = parser.add_argument("--pr-draft", default="0")
+    _ = parser.add_argument("--pr-merge-method", default="squash")
+    _ = parser.add_argument("--pr-auto", default="0")
+    _ = parser.add_argument("--pr-delete-branch", default="0")
+    _ = parser.add_argument("--pr-checks-strict", default="0")
+    _ = parser.add_argument("--pr-release-on-merge", default="1")
+    return parser.parse_args()
+
+
+def _repo_display_name(repo_root: Path, workspace_root: Path) -> str:
+    return workspace_root.name if repo_root == workspace_root else repo_root.name
+
+
+def _has_changes(repo_root: Path) -> bool:
+    return bool(run_capture(["git", "status", "--porcelain"], cwd=repo_root).strip())
+
+
+def _current_branch(repo_root: Path) -> str:
+    return run_capture(["git", "rev-parse", "--abbrev-ref", "HEAD"], cwd=repo_root)
+
+
+def _checkout_branch(repo_root: Path, branch: str) -> None:
+    if not branch:
+        return
+    current = _current_branch(repo_root)
+    if current == branch:
+        return
+    checkout = subprocess.run(
+        ["git", "checkout", branch],
+        cwd=repo_root,
+        check=False,
+        capture_output=True,
+        text=True,
+    )
+    if checkout.returncode == 0:
+        return
+    detail = (checkout.stderr or checkout.stdout).lower()
+    if "local changes" in detail or "would be overwritten" in detail:
+        run_checked(["git", "checkout", "-B", branch], cwd=repo_root)
+        return
+    fetch = subprocess.run(
+        ["git", "fetch", "origin", branch],
+        cwd=repo_root,
+        check=False,
+        capture_output=True,
+        text=True,
+    )
+    if fetch.returncode == 0:
+        run_checked(
+            ["git", "checkout", "-B", branch, f"origin/{branch}"], cwd=repo_root
+        )
+    else:
+        run_checked(["git", "checkout", "-B", branch], cwd=repo_root)
+
+
+def _checkpoint(repo_root: Path, branch: str) -> None:
+    if not _has_changes(repo_root):
+        return
+    run_checked(["git", "add", "-A"], cwd=repo_root)
+    staged = run_capture(["git", "diff", "--cached", "--name-only"], cwd=repo_root)
+    if not staged.strip():
+        return
+    run_checked(
+        ["git", "commit", "-m", "chore: checkpoint pending 0.11.0-dev changes"],
+        cwd=repo_root,
+    )
+    push_cmd = ["git", "push", "-u", "origin", branch] if branch else ["git", "push"]
+    push = subprocess.run(
+        push_cmd, cwd=repo_root, check=False, capture_output=True, text=True
+    )
+    if push.returncode == 0:
+        return
+    if branch:
+        run_checked(["git", "pull", "--rebase", "origin", branch], cwd=repo_root)
+    else:
+        run_checked(["git", "pull", "--rebase"], cwd=repo_root)
+    run_checked(push_cmd, cwd=repo_root)
+
+
+def _run_pr(repo_root: Path, workspace_root: Path, args: argparse.Namespace) -> int:
+    report_dir = workspace_root / ".reports" / "workspace" / "pr"
+    report_dir.mkdir(parents=True, exist_ok=True)
+    display = _repo_display_name(repo_root, workspace_root)
+    log_path = report_dir / f"{display}.log"
+    if repo_root == workspace_root:
+        command = [
+            "python",
+            "scripts/github/pr_manager.py",
+            "--repo-root",
+            str(repo_root),
+            "--action",
+            args.pr_action,
+            "--base",
+            args.pr_base,
+            "--draft",
+            args.pr_draft,
+            "--merge-method",
+            args.pr_merge_method,
+            "--auto",
+            args.pr_auto,
+            "--delete-branch",
+            args.pr_delete_branch,
+            "--checks-strict",
+            args.pr_checks_strict,
+            "--release-on-merge",
+            args.pr_release_on_merge,
+        ]
+        if args.pr_head:
+            command.extend(["--head", args.pr_head])
+        if args.pr_number:
+            command.extend(["--number", args.pr_number])
+        if args.pr_title:
+            command.extend(["--title", args.pr_title])
+        if args.pr_body:
+            command.extend(["--body", args.pr_body])
+    else:
+        command = [
+            "make",
+            "-C",
+            str(repo_root),
+            "pr",
+            f"PR_ACTION={args.pr_action}",
+            f"PR_BASE={args.pr_base}",
+            f"PR_DRAFT={args.pr_draft}",
+            f"PR_MERGE_METHOD={args.pr_merge_method}",
+            f"PR_AUTO={args.pr_auto}",
+            f"PR_DELETE_BRANCH={args.pr_delete_branch}",
+            f"PR_CHECKS_STRICT={args.pr_checks_strict}",
+            f"PR_RELEASE_ON_MERGE={args.pr_release_on_merge}",
+        ]
+        if args.pr_head:
+            command.append(f"PR_HEAD={args.pr_head}")
+        if args.pr_number:
+            command.append(f"PR_NUMBER={args.pr_number}")
+        if args.pr_title:
+            command.append(f"PR_TITLE={args.pr_title}")
+        if args.pr_body:
+            command.append(f"PR_BODY={args.pr_body}")
+
+    started = time.monotonic()
+    with log_path.open("w", encoding="utf-8") as handle:
+        result = subprocess.run(
+            command, stdout=handle, stderr=subprocess.STDOUT, check=False
+        )
+    elapsed = int(time.monotonic() - started)
+    status = "OK" if result.returncode == 0 else "FAIL"
+    print(
+        f"[{status}] {display} pr ({elapsed}s) exit={result.returncode} log={log_path}"
+    )
+    return result.returncode
+
+
+def main() -> int:
+    args = _parse_args()
+    workspace_root = args.workspace_root.resolve()
+    projects = resolve_projects(workspace_root, list(args.project))
+    repos = [project.path for project in projects]
+    if args.include_root == 1:
+        repos.append(workspace_root)
+
+    failures = 0
+    for repo_root in repos:
+        display = _repo_display_name(repo_root, workspace_root)
+        print(f"[RUN] {display}", flush=True)
+        _checkout_branch(repo_root, args.branch)
+        if args.checkpoint == 1:
+            _checkpoint(repo_root, args.branch)
+        exit_code = _run_pr(repo_root, workspace_root, args)
+        if exit_code != 0:
+            failures += 1
+            if args.fail_fast == 1:
+                break
+
+    total = len(repos)
+    success = total - failures
+    print(f"summary total={total} success={success} fail={failures} skip=0")
+    return 1 if failures else 0
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())