Fix settings tab 500 and env config grouping in UI

Co-authored-by: Cursor <cursoragent@cursor.com>

lib/env/env_schema.py

@@ -8,6 +8,8 @@ from typing import Any, Optional
 from lib.env.env_file_lib import env_get, env_get_all, read_env_lines
 
 _GROUP_RE = re.compile(r"^#\s*=+\s*(.+?)\s*=+\s*$")
+_SEPARATOR_RE = re.compile(r"^#\s*=+\s*$")
+_SECTION_DASH_RE = re.compile(r"^#\s*---\s*(.+?)\s*---\s*$")
 _KEY_LINE = re.compile(r"^([A-Za-z_][A-Za-z0-9_]*)\s*=")
 
 RESTART_REQUIRED_EXACT = frozenset({
@@ -146,10 +148,14 @@ def parse_env_example_schema(example_path: str) -> list[dict[str, Any]]:
     lines = read_env_lines(example_path)
     groups: list[dict[str, Any]] = []
     group_map: dict[str, dict[str, Any]] = {}
-    current_group = "应用与鉴权"
+    current_group = "基础配置"
     pending_note: list[str] = []
+    in_section_block = False
+    section_title_set = False
+    allow_section_blocks = False
 
     def _ensure_group(title: str) -> dict[str, Any]:
+        title = (title or "").strip() or "其他"
         if title not in group_map:
             group_map[title] = {"title": title, "fields": []}
             groups.append(group_map[title])
@@ -161,9 +167,41 @@ def parse_env_example_schema(example_path: str) -> list[dict[str, Any]]:
         if not stripped:
             pending_note = []
             continue
+        if _SEPARATOR_RE.match(stripped):
+            if not allow_section_blocks:
+                continue
+            if not in_section_block:
+                in_section_block = True
+                section_title_set = False
+            else:
+                in_section_block = False
+            continue
+        if in_section_block and stripped.startswith("#"):
+            note = stripped.lstrip("#").strip()
+            if note and not section_title_set:
+                current_group = note
+                _ensure_group(current_group)
+                section_title_set = True
+            elif note:
+                pending_note.append(note)
+            continue
         gm = _GROUP_RE.match(stripped)
         if gm:
-            current_group = gm.group(1).strip()
+            title = gm.group(1).strip()
+            if title and title != "=":
+                current_group = title
+                _ensure_group(current_group)
+            in_section_block = False
+            section_title_set = False
+            pending_note = []
+            continue
+        dash = _SECTION_DASH_RE.match(stripped)
+        if dash:
+            allow_section_blocks = True
+            current_group = dash.group(1).strip()
+            _ensure_group(current_group)
+            in_section_block = False
+            section_title_set = False
             pending_note = []
             continue
         if stripped.startswith("#"):
@@ -175,6 +213,7 @@ def parse_env_example_schema(example_path: str) -> list[dict[str, Any]]:
         if not km:
             continue
         key = km.group(1)
+        allow_section_blocks = True
         default_val = env_get(lines, key) or ""
         grp = _ensure_group(current_group)
         note = " ".join(pending_note).strip()
@@ -191,7 +230,7 @@ def parse_env_example_schema(example_path: str) -> list[dict[str, Any]]:
             }
         )
         pending_note = []
-    return groups
+    return [g for g in groups if g.get("fields")]
 
 
 def build_env_payload(example_path: str, env_path: str) -> dict[str, Any]: