diff --git a/api/routes.py b/api/routes.py
index 06539bc3..a0af1861 100644
--- a/api/routes.py
+++ b/api/routes.py
@@ -14572,13 +14572,22 @@ def handle_get(handler, parsed) -> bool:
         if not sid:
             return bad(handler, "session_id required")
         try:
-            s = get_session(sid)
+            workspace = get_session(sid).workspace
         except KeyError:
-            return bad(handler, "Session not found", 404)
+            # state.db-only sessions (CLI, delegated subagents): same fallback as /api/list.
+            cli_meta = _lookup_cli_session_metadata(sid)
+            if not cli_meta:
+                return bad(handler, "Session not found", 404)
+            if not cli_meta.get("workspace"):
+                return j(handler, {"git": None})
+            try:
+                workspace = resolve_trusted_workspace(cli_meta["workspace"])
+            except (FileNotFoundError, ValueError):
+                return j(handler, {"git": None})
         from api.workspace_git import GitWorkspaceError, git_status
 
         try:
-            status = git_status(Path(s.workspace))
+            status = git_status(Path(workspace))
         except GitWorkspaceError as e:
             return _git_bad(handler, e)
         totals = status.get("totals") or {}
diff --git a/static/index.html b/static/index.html
index b95528e8..cd122687 100644
--- a/static/index.html
+++ b/static/index.html
@@ -26,7 +26,6 @@
 <script>(function(){try{var t=localStorage.getItem('hermes-theme')||'dark';if(t==='system')t=window.matchMedia('(prefers-color-scheme:dark)').matches?'dark':'light';var c=t==='dark'?'#141425':'#FAF7F0';document.querySelectorAll('meta[name="theme-color"]').forEach(function(m){m.setAttribute('content',c);m.removeAttribute('media');});}catch(e){}})()</script>
 <script>(function(){try{document.documentElement.dataset.workspacePanel=localStorage.getItem('hermes-webui-workspace-panel')==='open'?'open':'closed';}catch(e){document.documentElement.dataset.workspacePanel='closed';}})()</script>
 <script>(function(){try{if(localStorage.getItem('hermes-webui-sidebar-collapsed')==='1')document.documentElement.dataset.sidebarCollapsed='1';}catch(e){}})()</script>
-<link rel="preload" href="static/pwa-startup.js?v=__WEBUI_VERSION__" as="script">
 <script src="static/pwa-startup.js?v=__WEBUI_VERSION__"></script>
 <script>window.__HERMES_CONFIG__={maxUploadBytes:__MAX_UPLOAD_BYTES__,csrfToken:__CSRF_TOKEN_JSON__};</script>
 <script>window.__HERMES_WEBUI_BUNDLE_VERSION__='__WEBUI_VERSION__';</script>
diff --git a/static/messages.js b/static/messages.js
index dbd13588..7760b0ac 100644
--- a/static/messages.js
+++ b/static/messages.js
@@ -8060,7 +8060,13 @@ function _startApprovalFallbackPoll(sid) {
           stopApprovalPollingForSession(sid);
         }
       }
-    } catch(e) { /* ignore poll errors */ }
+    } catch(e) {
+      // Another profile owns this session now (e.g. a different tab switched the shared
+      // profile cookie): every further poll would 409, so stop and leave the card as-is.
+      if (typeof _sessionProfileMismatchFromError === 'function' && _sessionProfileMismatchFromError(e)) {
+        stopApprovalPollingForSession(sid);
+      }
+    }
     finally { _approvalFallbackPollInFlight = false; }
   };
   _approvalPollTimer = setInterval(_tick, 1500);  // matches the v0.50.247 polling cadence so degraded-mode users see the same responsiveness
@@ -9204,6 +9210,12 @@ function _startClarifyFallbackPoll(sid) {
         currentSessionId: currentSid,
         message: msg,
       };
+      // Profile-mismatch 409: the session is owned by another profile under the current
+      // cookie, so polling can never succeed. Stop quietly; the live card stays standing.
+      if (typeof _sessionProfileMismatchFromError === "function" && _sessionProfileMismatchFromError(e)) {
+        stopClarifyPollingForSession(sid);
+        return;
+      }
       // A 404 from the active session domain is a STALE-SESSION signal — e.g.
       // the old profile's session still polling briefly after a profile switch,
       // or a session deleted server-side — NOT a missing clarify endpoint. Stop
diff --git a/tests/test_console_noise_git_info_and_pollers.py b/tests/test_console_noise_git_info_and_pollers.py
new file mode 100644
index 00000000..aa8e7034
--- /dev/null
+++ b/tests/test_console_noise_git_info_and_pollers.py
@@ -0,0 +1,211 @@
+"""Console-noise regressions: git-info 404 on state.db-only sessions, pollers
+that keep 409ing after a profile-cookie flip, and the unused pwa-startup preload."""
+import io
+import json
+import shutil
+import subprocess
+from pathlib import Path
+from urllib.parse import urlparse
+
+import pytest
+
+import api.routes as routes
+
+REPO = Path(__file__).resolve().parent.parent
+MESSAGES_JS = (REPO / "static" / "messages.js").read_text(encoding="utf-8")
+SESSIONS_JS = (REPO / "static" / "sessions.js").read_text(encoding="utf-8")
+INDEX_HTML = (REPO / "static" / "index.html").read_text(encoding="utf-8")
+
+
+class _Handler:
+    def __init__(self):
+        self.wfile = io.BytesIO()
+        self.headers = {}
+        self.status = None
+
+    def send_response(self, status):
+        self.status = status
+
+    def send_header(self, *_a):
+        pass
+
+    def end_headers(self):
+        pass
+
+    def payload(self):
+        return json.loads(self.wfile.getvalue().decode("utf-8"))
+
+
+def _git_info(sid):
+    h = _Handler()
+    routes.handle_get(h, urlparse(f"/api/git-info?session_id={sid}"))
+    return h.status, h.payload()
+
+
+@pytest.fixture
+def git_repo(tmp_path):
+    if not shutil.which("git"):
+        pytest.skip("git not installed")
+    run = lambda *a: subprocess.run(["git", "-C", str(tmp_path), *a], check=True, capture_output=True)
+    run("init", "-q", "-b", "main")
+    (tmp_path / "a.txt").write_text("a")
+    run("add", "a.txt")
+    run("-c", "user.name=t", "-c", "user.email=t@t", "commit", "-qm", "init")
+    (tmp_path / "b.txt").write_text("b")
+    return tmp_path
+
+
+def _state_db_only(monkeypatch, sid, row):
+    def _missing(*_a, **_kw):
+        raise KeyError(sid)
+
+    monkeypatch.setattr(routes, "get_session", _missing)
+    monkeypatch.setattr(routes, "get_cli_sessions", lambda *_a, **_kw: [row] if row else [])
+
+
+def test_git_info_serves_state_db_only_session(monkeypatch, git_repo):
+    sid = "20260923_175914_e47592"
+    _state_db_only(monkeypatch, sid, {"session_id": sid, "workspace": str(git_repo)})
+    monkeypatch.setattr(routes, "resolve_trusted_workspace", lambda p, *_a, **_kw: Path(p))
+
+    status, body = _git_info(sid)
+
+    assert status == 200, body
+    assert body["git"]["is_git"] is True
+    assert body["git"]["branch"] == "main"
+    assert body["git"]["untracked"] == 1
+
+
+def test_git_info_untrusted_state_db_workspace_is_not_inspected(monkeypatch, git_repo):
+    sid = "20260923_175914_e9d4bd"
+    _state_db_only(monkeypatch, sid, {"session_id": sid, "workspace": str(git_repo)})
+
+    def _untrusted(*_a, **_kw):
+        raise ValueError("outside trusted roots")
+
+    monkeypatch.setattr(routes, "resolve_trusted_workspace", _untrusted)
+    assert _git_info(sid) == (200, {"git": None})
+
+
+def test_git_info_state_db_session_without_workspace_has_no_badge(monkeypatch):
+    sid = "20260923_000000_abcdef"
+    _state_db_only(monkeypatch, sid, {"session_id": sid, "workspace": ""})
+    monkeypatch.setattr(
+        routes, "resolve_trusted_workspace",
+        lambda *_a, **_kw: pytest.fail("must not fall back to the default workspace"),
+    )
+    assert _git_info(sid) == (200, {"git": None})
+
+
+def test_git_info_unknown_session_still_404s(monkeypatch):
+    _state_db_only(monkeypatch, "nope", None)
+    status, body = _git_info("nope")
+    assert status == 404 and body["error"] == "Session not found"
+
+
+# ── frontend pollers, driven through node with the real functions ─────────────
+
+def _extract_fn(src, name):
+    start = src.index(f"function {name}(")
+    brace = src.index("{", src.index(")", start))
+    depth, i = 1, brace + 1
+    while depth:
+        depth += {"{": 1, "}": -1}.get(src[i], 0)
+        i += 1
+    return src[start:i]
+
+
+_HARNESS = r"""
+var S = {session: {session_id: 'sid1'}, busy: false};
+var calls = {api: 0, warn: 0, hide: 0};
+var _approvalPollTimer = null, _approvalEventSource = null, _approvalSSEHealthTimer = null;
+var _approvalFallbackPollInFlight = false, _approvalPollingSessionId = 'sid1';
+var _clarifyEventSource = null, _clarifyFallbackTimer = null, _clarifyHealthTimer = null;
+var _clarifyFallbackPollInFlight = false, _clarifyPollingSessionId = null, _clarifyMissingEndpointWarned = false;
+var _approvalPendingBySession = new Map();
+function _approvalPollingSessionMissingOrMismatched(sid){ return !sid || !S.session || S.session.session_id !== sid; }
+function _hideApprovalCardIfOwner(){ calls.hide++; }
+function _hideClarifyCardIfOwner(){ calls.hide++; }
+function _clearApprovalPendingForSession(){}
+function _clearClarifyPendingForSession(){}
+function showApprovalForSession(){}
+function showClarifyForSession(){}
+function setComposerStatus(){}
+function showToast(){}
+console.warn = function(){ calls.warn++; };
+var timers = [];
+setInterval = function(fn){ timers.push(fn); return timers.length; };
+clearInterval = function(){};
+async function api(){
+  calls.api++;
+  var e = new Error('Session belongs to a different profile');
+  e.status = STATUS;
+  e.body = JSON.stringify(BODY);
+  throw e;
+}
+"""
+
+
+def _run_poller(start_fn, status, body):
+    node = shutil.which("node")
+    if not node:
+        pytest.skip("node not installed")
+    fns = [
+        _extract_fn(SESSIONS_JS, "_sessionProfileMismatchFromError"),
+        _extract_fn(MESSAGES_JS, "_startApprovalFallbackPoll"),
+        _extract_fn(MESSAGES_JS, "stopApprovalPollingForSession"),
+        _extract_fn(MESSAGES_JS, "stopApprovalPolling"),
+        _extract_fn(MESSAGES_JS, "_startClarifyFallbackPoll"),
+        _extract_fn(MESSAGES_JS, "stopClarifyPollingForSession"),
+        _extract_fn(MESSAGES_JS, "stopClarifyPolling"),
+    ]
+    script = (
+        _HARNESS.replace("STATUS", str(status)).replace("BODY", json.dumps(body))
+        + "\n".join(fns)
+        + f"""
+(async () => {{
+  {start_fn}('sid1');
+  await new Promise(r => setTimeout(r, 0));
+  const pollingAfterFirst = {'_approvalPollingSessionId' if 'Approval' in start_fn else '_clarifyPollingSessionId'};
+  process.stdout.write(JSON.stringify({{calls, pollingAfterFirst}}));
+}})();
+"""
+    )
+    out = subprocess.run([node, "-e", script], capture_output=True, text=True, timeout=30)
+    assert out.returncode == 0, out.stderr
+    return json.loads(out.stdout)
+
+
+_MISMATCH = {"error": "Session belongs to a different profile", "code": "session_profile_mismatch",
+             "session_id": "sid1", "profile": "deepseek"}
+
+
+def test_approval_poll_stops_on_profile_mismatch_409():
+    r = _run_poller("_startApprovalFallbackPoll", 409, _MISMATCH)
+    assert r["calls"]["api"] == 1
+    assert r["pollingAfterFirst"] is None, "approval poller must stop after a session_profile_mismatch 409"
+    assert r["calls"]["hide"] == 0, "a live approval card must stay standing"
+
+
+def test_approval_poll_keeps_running_on_other_errors():
+    r = _run_poller("_startApprovalFallbackPoll", 500, {"error": "boom"})
+    assert r["pollingAfterFirst"] == "sid1"
+
+
+def test_clarify_poll_stops_quietly_on_profile_mismatch_409():
+    r = _run_poller("_startClarifyFallbackPoll", 409, _MISMATCH)
+    assert r["calls"]["api"] == 1
+    assert r["pollingAfterFirst"] is None, "clarify poller must stop after a session_profile_mismatch 409"
+    assert r["calls"]["warn"] == 0, "expected profile mismatch must not log '[clarify] pending poll failed'"
+    assert r["calls"]["hide"] == 0, "a live clarify card must stay standing"
+
+
+def test_clarify_poll_still_warns_on_unexpected_errors():
+    r = _run_poller("_startClarifyFallbackPoll", 500, {"error": "boom"})
+    assert r["calls"]["warn"] == 1
+    assert r["pollingAfterFirst"] == "sid1"
+
+
+def test_pwa_startup_is_not_preloaded_next_to_its_own_blocking_script():
+    assert '<script src="static/pwa-startup.js?v=__WEBUI_VERSION__"></script>' in INDEX_HTML
+    assert 'rel="preload" href="static/pwa-startup.js' not in INDEX_HTML
diff --git a/tests/test_pwa_manifest_sw.py b/tests/test_pwa_manifest_sw.py
index 0f537d2b..0eb9b0db 100644
--- a/tests/test_pwa_manifest_sw.py
+++ b/tests/test_pwa_manifest_sw.py
@@ -293,13 +293,11 @@ class TestIndexHtmlIntegration:
         are present on first paint.
         """
         src = INDEX.read_text(encoding="utf-8")
-        preload_pos = src.find('href="static/pwa-startup.js?v=__WEBUI_VERSION__"')
         script_pos = src.find('src="static/pwa-startup.js?v=__WEBUI_VERSION__"')
         ui_pos = src.find('static/ui.js?v=__WEBUI_VERSION__')
-        assert preload_pos != -1, "index.html must preload the PWA startup helper"
         assert script_pos != -1, "index.html must load the PWA startup helper"
         assert ui_pos != -1, "index.html must load the main UI bundle"
-        assert preload_pos < ui_pos and script_pos < ui_pos, (
+        assert script_pos < ui_pos, (
             "pwa-startup.js must run before ui.js so standalone/offline classes "
             "are available before the app shell paints"
         )