test(sidebar): avoid shard churn from static regressions

static/sessions.js

@@ -4804,7 +4804,6 @@ function renderSessionListFromCache(){
   const searchMatches=_sessionSearchMergeMatches(sidebarRows,searchQueryRaw,_contentSearchResults);
   const allMatched=_ensureActiveSessionRowPresent(searchMatches,sidebarRows);
   const {
-    webuiSessionCount,
     cliSessionCount,
     profileFiltered,
     sessionsRaw,

tests/test_issue3966_session_count_label.py

@@ -1,42 +0,0 @@
-"""Regression coverage for sidebar source counts using rendered rows."""
-
-from __future__ import annotations
-
-from pathlib import Path
-
-ROOT = Path(__file__).resolve().parents[1]
-SESSIONS_JS = (ROOT / "static" / "sessions.js").read_text(encoding="utf-8")
-
-
-def _function_block(name: str) -> str:
-    start = SESSIONS_JS.index(f"function {name}(")
-    brace = SESSIONS_JS.index("{", start)
-    depth = 0
-    for idx in range(brace, len(SESSIONS_JS)):
-        char = SESSIONS_JS[idx]
-        if char == "{":
-            depth += 1
-        elif char == "}":
-            depth -= 1
-            if depth == 0:
-                return SESSIONS_JS[start : idx + 1]
-    raise AssertionError(f"unbalanced braces in {name}")
-
-
-def test_render_counts_use_post_collapse_rows():
-    render_body = _function_block("renderSessionListFromCache")
-
-    assert "const sessions=_renderSidebarRowsFromRawSessions(sessionsRaw);" in render_body
-    assert "? sessions.length" in render_body
-    assert ": _countRenderedSidebarRowsFromRawSessions(webuiSessionsRaw);" in render_body
-    assert ": _countRenderedSidebarRowsFromRawSessions(cliSessionsRaw);" in render_body
-    assert "const count=filter==='cli'?renderedCliSessionCount:renderedWebuiSessionCount;" in render_body
-    assert "const count=filter==='cli'?cliSessionCount:webuiSessionCount;" not in render_body
-
-
-def test_rendered_count_helper_collapses_before_counting():
-    helper_body = _function_block("_countRenderedSidebarRowsFromRawSessions")
-
-    assert "_collapseSessionLineageForSidebar(sessionsRaw).length;" in helper_body
-    assert "function _renderSidebarRowsFromRawSessions(sessionsRaw){" in SESSIONS_JS
-    assert "_attachChildSessionsToSidebarRows(_collapseSessionLineageForSidebar(sessionsRaw), sessionsRaw)" in SESSIONS_JS

tests/test_sidebar_session_partition.py

@@ -32,6 +32,11 @@ def test_render_uses_single_pass_partition_helper():
 
     assert "_partitionSidebarSessionRows(allMatched, activeSidForSidebar)" in render_body
     assert "_renderSidebarRowsFromRawSessions(sessionsRaw)" in render_body
+    assert "? sessions.length" in render_body
+    assert ": _countRenderedSidebarRowsFromRawSessions(webuiSessionsRaw);" in render_body
+    assert ": _countRenderedSidebarRowsFromRawSessions(cliSessionsRaw);" in render_body
+    assert "const count=filter==='cli'?renderedCliSessionCount:renderedWebuiSessionCount;" in render_body
+    assert "const count=filter==='cli'?cliSessionCount:webuiSessionCount;" not in render_body
     assert "withMessages.filter(" not in render_body
 
 
@@ -59,3 +64,7 @@ def test_partition_helper_keeps_raw_source_counts_while_render_owns_visible_coun
     assert "cliSessionsRaw," in _partition_block()
     assert "const renderedWebuiSessionCount=" in render_body
     assert "const renderedCliSessionCount=" in render_body
+    helper_body = _function_block("_countRenderedSidebarRowsFromRawSessions")
+    assert "_collapseSessionLineageForSidebar(sessionsRaw).length;" in helper_body
+    assert "function _renderSidebarRowsFromRawSessions(sessionsRaw){" in SESSIONS_JS
+    assert "_attachChildSessionsToSidebarRows(_collapseSessionLineageForSidebar(sessionsRaw), sessionsRaw)" in SESSIONS_JS