diff --git a/docs4/background_backup.md b/docs4/background_backup.md
index 788c5168..1fde4440 100644
--- a/docs4/background_backup.md
+++ b/docs4/background_backup.md
@@ -120,7 +120,7 @@ V4更加高效的底层记忆索引
   - 不支持关键词检索，这里需要Keyword倒排索引，对中文的支持较差
   - [📌 历史] 描述 V3 痛点，不需要代码。
 - V4版本我们重写了file parser，file store，file graph，file watcher，手写了支持增量更新倒排索引
-  - file parser → [✅ `reme4/components/file_parser/`（base/bare/default/linked 四种）]
+  - file parser → [✅ `reme4/components/file_parser/`（base/default/chunked/linked 四种）]
   - file store → [✅ `reme4/components/file_store/local_file_store.py`]
   - file graph → [✅ `reme4/components/file_graph/`（local/nx/neo4j）]
   - file watcher → [✅ `reme4/components/file_watcher/lite_file_watcher.py` 基于 watchfiles awatch；`base_file_watcher.py` 抽象接口]
diff --git a/docs4/reme4_index.md b/docs4/reme4_index.md
index 8257ab8a..18ed6f36 100644
--- a/docs4/reme4_index.md
+++ b/docs4/reme4_index.md
@@ -86,9 +86,9 @@
 | 类 | 文件 | 说明 |
 | --- | --- | --- |
 | `BaseFileParser` | `base_file_parser.py` | 抽象接口：`parse(path) -> (FileNode, list[FileChunk])`，提供 `_get_relative_path`。 |
-| `BareFileParser` (`@R "bare"`) | `bare_file_parser.py` | 仅 stat：附件/二进制不读内容、不切块、不抽链接。 |
-| `DefaultFileParser` (`@R "default"`) | `default_file_parser.py` | 字节级带 overlap 切片 + YAML front matter + wikilink 抽取（含 Dataview `predicate::`）。 |
-| `LinkedFileParser` (`@R "md"`) | `linked_file_parser.py` | Markdown 专用：mistletoe AST → MdNode 树 → 章节递归分块；每个 chunk 携带完整 heading skeleton（TOC）；wikilink 解析支持隐式 `.md`、folder-note、短路径歧义扇出，需注入 `file_graph` 解析目标。 |
+| `DefaultFileParser` (`@R "default"`) | `default_file_parser.py` | 仅 stat：附件/二进制不读内容、不切块、不抽链接；作为无 `supported_extensions` 命中时的兜底 parser。 |
+| `ChunkedFileParser` (`@R "chunked"`) | `chunked_file_parser.py` | 字节级带 overlap 切片 + YAML front matter + wikilink 抽取（含 Dataview `predicate::`）。 |
+| `LinkedFileParser` (`@R "linked"`) | `linked_file_parser.py` | Markdown 专用：mistletoe AST → MdNode 树 → 章节递归分块；每个 chunk 携带完整 heading skeleton（TOC）；wikilink 解析支持隐式 `.md`、folder-note、短路径歧义扇出，需注入 `file_graph` 解析目标。 |
 
 ### 4.6 File Store — `reme4/components/file_store/`
 
diff --git a/docs4/reme_design.md b/docs4/reme_design.md
index f96ca3ab..9f57f336 100644
--- a/docs4/reme_design.md
+++ b/docs4/reme_design.md
@@ -82,20 +82,35 @@ reme4 search query="..." backend=mcp
 | crud | upload/download | 其他文件 |
 | file | stat | path |
 | file | list | path |
-| property | property:read | |
-| property | property:update | path="My Note" status=done xx=xxx |
-| property | property:delete | keys="[xxxx, xxxx]"                                               |
+                                            |
 | graph | traverse | path="My Note"  directtion=forward/backward depth=1 predicat=xxx |
 
 @wangce
-| crud | write | path="New Note" name="xxx" description="xxx" content="# Hello" (4 字段都必填，frontmatter 只写 name/description) |
+| crud | write | path="New Note" name="xxx" description="xxx" metadata={}, content="# Hello" (4 字段都必填，frontmatter 只写 name/description) |
 | crud | read | path="Templates/Recipe.md"                                        |
 | crud | edit | path="Templates/Recipe.md" old="xxx" new="xxx"                    |
 | crud | append | path="My Note" content="New line"                                 |
-| crud | prepend | path="My Note" content="New line"                                 |
+
 | crud | delete | path="My Note
 | daily:crud | daily:xxx | 与 crud 参数保持一致 |
 
+- daily:resolve name=xxxx (符合一定规范 win下要求)
+- daily:list date=xxxx 返回path
+- daily:index
+
+frontmatter read path
+frontmatter update path metadata={}
+frontmatter delete path keys=[]
+
+delete path
+download path=xxx（内部相对路径）download_path=(外部绝对路径，可选)
+upload path=xxx（外部绝对路径）description="xxx" metadata=xxx 返回内部相对路径 加metadata
+stat path
+list path
+mv path=xxx new_path=xxx
+
+traverse path=xxx direction=xxx depth=xxx
+
 # 日记类型
 
 | 类型        | 路径                                            | 说明                          |
diff --git a/reme4/components/file_parser/__init__.py b/reme4/components/file_parser/__init__.py
index c5b62bd9..bf70a0cd 100644
--- a/reme4/components/file_parser/__init__.py
+++ b/reme4/components/file_parser/__init__.py
@@ -1,8 +1,8 @@
 """File parser components."""
 
-from .bare_file_parser import BareFileParser
 from .base_file_parser import BaseFileParser
+from .chunked_file_parser import ChunkedFileParser
 from .default_file_parser import DefaultFileParser
 from .linked_file_parser import LinkedFileParser
 
-__all__ = ["BareFileParser", "BaseFileParser", "DefaultFileParser", "LinkedFileParser"]
+__all__ = ["BaseFileParser", "ChunkedFileParser", "DefaultFileParser", "LinkedFileParser"]
diff --git a/reme4/components/file_parser/bare_file_parser.py b/reme4/components/file_parser/bare_file_parser.py
deleted file mode 100644
index 55b12e5c..00000000
--- a/reme4/components/file_parser/bare_file_parser.py
+++ /dev/null
@@ -1,22 +0,0 @@
-"""Stat-only parser for attachment/binary files."""
-
-from pathlib import Path
-
-from .base_file_parser import BaseFileParser
-from ..component_registry import R
-from ...schema import FileChunk, FileNode
-
-
-@R.register("bare")
-class BareFileParser(BaseFileParser):
-    """Stat-only parser for attachment/binary files.
-
-    No content read, no chunking, no link extraction. The resulting FileNode
-    has empty links and chunk_ids; front_matter carries mime and size so
-    retrieval can filter by file type without reopening the file.
-    """
-
-    async def parse(self, path: str | Path) -> tuple[FileNode, list[FileChunk]]:
-        file_path = Path(path)
-        stat = file_path.stat()
-        return FileNode(path=self.to_vault_relative(path), st_mtime=stat.st_mtime, links=[], chunk_ids=[]), []
diff --git a/reme4/components/file_parser/chunked_file_parser.py b/reme4/components/file_parser/chunked_file_parser.py
new file mode 100644
index 00000000..2d892157
--- /dev/null
+++ b/reme4/components/file_parser/chunked_file_parser.py
@@ -0,0 +1,180 @@
+"""File parser with byte-based overlapping chunking."""
+
+import re
+from bisect import bisect_right
+from pathlib import Path
+
+import aiofiles
+import yaml
+
+from .base_file_parser import BaseFileParser
+from ..component_registry import R
+from ...schema import FileChunk, FileFrontMatter, FileLink, FileNode
+
+# Single-pass wikilink + optional dataview predicate.
+# Covers: [[X]] / ![[X]] / [[X#h]] / [[X|alias]] / pred:: [[X]] / [pred:: [[X]]]
+# - predicate group: optional leading '[' (dataview inline-bracket form), an identifier,
+#   then '::' — the whole prefix is non-capturing-optional so bare wikilinks still match.
+# - optional '!' prefix matches the embed form (![[X]]).
+# - target / anchor / alias all forbid '\n' so a wikilink cannot span lines.
+# - alias '|...': consumed but not captured (we don't need display text).
+_LINK_RE = re.compile(
+    r"(?:\[?\s*(?P<predicate>[A-Za-z][\w-]*)\s*::\s*)?"
+    r"!?\[\[\s*(?P<target>[^\[\]|#\n]+?)"
+    r"(?:#(?P<anchor>[^\[\]|\n]+?))?"
+    r"\s*(?:\|[^\[\]\n]*?)?\s*]]",
+)
+
+
+@R.register("chunked")
+class ChunkedFileParser(BaseFileParser):
+    """Parser that splits files into byte-based overlapping chunks."""
+
+    def __init__(self, encoding: str = "utf-8", chunk_byte_size: int = 10000, overlap_byte_size: int = 100, **kwargs):
+        super().__init__(**kwargs)
+        self.encoding = encoding
+        self.chunk_byte_size = max(100, chunk_byte_size)
+        self.overlap_byte_size = max(4, overlap_byte_size)
+
+    @staticmethod
+    def parse_links(content: str, source_path: str) -> list[FileLink]:
+        """Extract wikilinks with optional dataview predicate as outgoing FileLinks."""
+        links: list[FileLink] = []
+        for m in _LINK_RE.finditer(content):
+            target = m["target"].strip()
+            if not target:
+                continue
+            anchor = m["anchor"]
+            links.append(
+                FileLink(
+                    source_path=source_path,
+                    target_path=target,
+                    target_anchor=anchor.strip() if anchor else None,
+                    predicate=m["predicate"],
+                ),
+            )
+        return links
+
+    @staticmethod
+    def _parse_front_matter(text: str) -> tuple[FileFrontMatter, str]:
+        """Parse YAML front matter delimited by ---, return (front_matter, remaining)."""
+        if not text.startswith("---"):
+            return FileFrontMatter(), text
+        end_idx = text.find("\n---", 3)
+        if end_idx == -1:
+            return FileFrontMatter(), text
+        try:
+            data = yaml.safe_load(text[3:end_idx].strip()) or {}
+            front_matter = FileFrontMatter(**(data if isinstance(data, dict) else {}))
+        except yaml.YAMLError:
+            front_matter = FileFrontMatter()
+        return front_matter, text[end_idx + 4 :].lstrip("\n")
+
+    async def parse(self, path: str | Path) -> tuple[FileNode, list[FileChunk]]:
+        file_path = Path(path)
+        stat = file_path.stat()
+        rel_path = self.to_vault_relative(path)
+
+        async with aiofiles.open(file_path, encoding=self.encoding) as f:
+            text = await f.read()
+
+        if not text:
+            return FileNode(path=rel_path, st_mtime=stat.st_mtime), []
+
+        is_markdown = file_path.suffix.lower() == ".md"
+        if is_markdown:
+            front_matter, content = self._parse_front_matter(text)
+            if not content:
+                return FileNode(path=rel_path, st_mtime=stat.st_mtime, front_matter=front_matter), []
+            links = self.parse_links(content, rel_path)
+        else:
+            front_matter = FileFrontMatter()
+            content = text
+            links = []
+
+        chunks = self._chunk_content(content, rel_path, parse_links=is_markdown)
+        chunk_ids = [c.id for c in chunks]
+        return (
+            FileNode(
+                path=rel_path,
+                st_mtime=stat.st_mtime,
+                front_matter=front_matter,
+                links=links,
+                chunk_ids=chunk_ids,
+            ),
+            chunks,
+        )
+
+    def _link_byte_spans(self, content: str) -> list[tuple[int, int]]:
+        """Return [start, end) byte spans of every wikilink in content."""
+        spans: list[tuple[int, int]] = []
+        last_char, last_byte = 0, 0
+        for m in _LINK_RE.finditer(content):
+            last_byte += len(content[last_char : m.start()].encode(self.encoding))
+            match_bytes = len(m.group(0).encode(self.encoding))
+            spans.append((last_byte, last_byte + match_bytes))
+            last_byte += match_bytes
+            last_char = m.end()
+        return spans
+
+    @staticmethod
+    def _span_containing(
+        pos: int,
+        spans: list[tuple[int, int]],
+        starts: list[int],
+    ) -> tuple[int, int] | None:
+        """Return the span strictly containing pos (s < pos < e), or None."""
+        idx = bisect_right(starts, pos) - 1
+        if idx < 0:
+            return None
+        s, e = spans[idx]
+        return (s, e) if s < pos < e else None
+
+    def _chunk_content(self, content: str, rel_path: str, parse_links: bool = True) -> list[FileChunk]:
+        """Split content into overlapping byte-range chunks, avoiding cuts inside wikilinks.
+
+        When ``parse_links`` is False, skip wikilink span computation and boundary checks
+        — used for non-markdown files where wikilink semantics don't apply.
+        """
+        content_bytes = content.encode(self.encoding)
+        n = len(content_bytes)
+        newline_positions = [i for i, b in enumerate(content_bytes) if b == ord("\n")]
+        if parse_links:
+            link_spans = self._link_byte_spans(content)
+            link_starts = [s for s, _ in link_spans]
+        else:
+            link_spans: list[tuple[int, int]] = []
+            link_starts: list[int] = []
+        # Refuse to retreat past half of chunk_byte_size; falls back to hard cut
+        # for pathologically long links so we always make forward progress.
+        min_chunk = self.chunk_byte_size // 2
+        chunks: list[FileChunk] = []
+        start = 0
+
+        while start < n:
+            end = min(start + self.chunk_byte_size, n)
+            if end < n:
+                span = self._span_containing(end, link_spans, link_starts)
+                if span is not None and span[0] - start >= min_chunk:
+                    end = span[0]
+
+            chunk_text = content_bytes[start:end].decode(self.encoding, errors="ignore")
+            start_line = bisect_right(newline_positions, start - 1) + 1
+            end_line = bisect_right(newline_positions, end - 1) + 1
+            if content_bytes[end - 1] == ord("\n"):
+                end_line -= 1
+            chunks.append(
+                FileChunk(path=rel_path, start_line=start_line, end_line=end_line, text=chunk_text).set_hash_id(),
+            )
+            if end >= n:
+                break
+
+            next_start = end - self.overlap_byte_size
+            span = self._span_containing(next_start, link_spans, link_starts)
+            if span is not None:
+                next_start = span[1]
+            if next_start <= start:
+                next_start = end
+            start = next_start
+
+        return chunks
diff --git a/reme4/components/file_parser/default_file_parser.py b/reme4/components/file_parser/default_file_parser.py
index dfb68440..c799a9c3 100644
--- a/reme4/components/file_parser/default_file_parser.py
+++ b/reme4/components/file_parser/default_file_parser.py
@@ -1,180 +1,22 @@
-"""Default file parser with byte-based overlapping chunking."""
+"""Stat-only parser for attachment/binary files."""
 
-import re
-from bisect import bisect_right
 from pathlib import Path
 
-import aiofiles
-import yaml
-
 from .base_file_parser import BaseFileParser
 from ..component_registry import R
-from ...schema import FileChunk, FileFrontMatter, FileLink, FileNode
-
-# Single-pass wikilink + optional dataview predicate.
-# Covers: [[X]] / ![[X]] / [[X#h]] / [[X|alias]] / pred:: [[X]] / [pred:: [[X]]]
-# - predicate group: optional leading '[' (dataview inline-bracket form), an identifier,
-#   then '::' — the whole prefix is non-capturing-optional so bare wikilinks still match.
-# - optional '!' prefix matches the embed form (![[X]]).
-# - target / anchor / alias all forbid '\n' so a wikilink cannot span lines.
-# - alias '|...': consumed but not captured (we don't need display text).
-_LINK_RE = re.compile(
-    r"(?:\[?\s*(?P<predicate>[A-Za-z][\w-]*)\s*::\s*)?"
-    r"!?\[\[\s*(?P<target>[^\[\]|#\n]+?)"
-    r"(?:#(?P<anchor>[^\[\]|\n]+?))?"
-    r"\s*(?:\|[^\[\]\n]*?)?\s*]]",
-)
+from ...schema import FileChunk, FileNode
 
 
 @R.register("default")
 class DefaultFileParser(BaseFileParser):
-    """Parser that splits files into byte-based overlapping chunks."""
+    """Stat-only parser for attachment/binary files.
 
-    def __init__(self, encoding: str = "utf-8", chunk_byte_size: int = 10000, overlap_byte_size: int = 100, **kwargs):
-        super().__init__(**kwargs)
-        self.encoding = encoding
-        self.chunk_byte_size = max(100, chunk_byte_size)
-        self.overlap_byte_size = max(4, overlap_byte_size)
-
-    @staticmethod
-    def parse_links(content: str, source_path: str) -> list[FileLink]:
-        """Extract wikilinks with optional dataview predicate as outgoing FileLinks."""
-        links: list[FileLink] = []
-        for m in _LINK_RE.finditer(content):
-            target = m["target"].strip()
-            if not target:
-                continue
-            anchor = m["anchor"]
-            links.append(
-                FileLink(
-                    source_path=source_path,
-                    target_path=target,
-                    target_anchor=anchor.strip() if anchor else None,
-                    predicate=m["predicate"],
-                ),
-            )
-        return links
-
-    @staticmethod
-    def _parse_front_matter(text: str) -> tuple[FileFrontMatter, str]:
-        """Parse YAML front matter delimited by ---, return (front_matter, remaining)."""
-        if not text.startswith("---"):
-            return FileFrontMatter(), text
-        end_idx = text.find("\n---", 3)
-        if end_idx == -1:
-            return FileFrontMatter(), text
-        try:
-            data = yaml.safe_load(text[3:end_idx].strip()) or {}
-            front_matter = FileFrontMatter(**(data if isinstance(data, dict) else {}))
-        except yaml.YAMLError:
-            front_matter = FileFrontMatter()
-        return front_matter, text[end_idx + 4 :].lstrip("\n")
+    No content read, no chunking, no link extraction. The resulting FileNode
+    has empty links and chunk_ids; front_matter carries mime and size so
+    retrieval can filter by file type without reopening the file.
+    """
 
     async def parse(self, path: str | Path) -> tuple[FileNode, list[FileChunk]]:
         file_path = Path(path)
         stat = file_path.stat()
-        rel_path = self.to_vault_relative(path)
-
-        async with aiofiles.open(file_path, encoding=self.encoding) as f:
-            text = await f.read()
-
-        if not text:
-            return FileNode(path=rel_path, st_mtime=stat.st_mtime), []
-
-        is_markdown = file_path.suffix.lower() == ".md"
-        if is_markdown:
-            front_matter, content = self._parse_front_matter(text)
-            if not content:
-                return FileNode(path=rel_path, st_mtime=stat.st_mtime, front_matter=front_matter), []
-            links = self.parse_links(content, rel_path)
-        else:
-            front_matter = FileFrontMatter()
-            content = text
-            links = []
-
-        chunks = self._chunk_content(content, rel_path, parse_links=is_markdown)
-        chunk_ids = [c.id for c in chunks]
-        return (
-            FileNode(
-                path=rel_path,
-                st_mtime=stat.st_mtime,
-                front_matter=front_matter,
-                links=links,
-                chunk_ids=chunk_ids,
-            ),
-            chunks,
-        )
-
-    def _link_byte_spans(self, content: str) -> list[tuple[int, int]]:
-        """Return [start, end) byte spans of every wikilink in content."""
-        spans: list[tuple[int, int]] = []
-        last_char, last_byte = 0, 0
-        for m in _LINK_RE.finditer(content):
-            last_byte += len(content[last_char : m.start()].encode(self.encoding))
-            match_bytes = len(m.group(0).encode(self.encoding))
-            spans.append((last_byte, last_byte + match_bytes))
-            last_byte += match_bytes
-            last_char = m.end()
-        return spans
-
-    @staticmethod
-    def _span_containing(
-        pos: int,
-        spans: list[tuple[int, int]],
-        starts: list[int],
-    ) -> tuple[int, int] | None:
-        """Return the span strictly containing pos (s < pos < e), or None."""
-        idx = bisect_right(starts, pos) - 1
-        if idx < 0:
-            return None
-        s, e = spans[idx]
-        return (s, e) if s < pos < e else None
-
-    def _chunk_content(self, content: str, rel_path: str, parse_links: bool = True) -> list[FileChunk]:
-        """Split content into overlapping byte-range chunks, avoiding cuts inside wikilinks.
-
-        When ``parse_links`` is False, skip wikilink span computation and boundary checks
-        — used for non-markdown files where wikilink semantics don't apply.
-        """
-        content_bytes = content.encode(self.encoding)
-        n = len(content_bytes)
-        newline_positions = [i for i, b in enumerate(content_bytes) if b == ord("\n")]
-        if parse_links:
-            link_spans = self._link_byte_spans(content)
-            link_starts = [s for s, _ in link_spans]
-        else:
-            link_spans: list[tuple[int, int]] = []
-            link_starts: list[int] = []
-        # Refuse to retreat past half of chunk_byte_size; falls back to hard cut
-        # for pathologically long links so we always make forward progress.
-        min_chunk = self.chunk_byte_size // 2
-        chunks: list[FileChunk] = []
-        start = 0
-
-        while start < n:
-            end = min(start + self.chunk_byte_size, n)
-            if end < n:
-                span = self._span_containing(end, link_spans, link_starts)
-                if span is not None and span[0] - start >= min_chunk:
-                    end = span[0]
-
-            chunk_text = content_bytes[start:end].decode(self.encoding, errors="ignore")
-            start_line = bisect_right(newline_positions, start - 1) + 1
-            end_line = bisect_right(newline_positions, end - 1) + 1
-            if content_bytes[end - 1] == ord("\n"):
-                end_line -= 1
-            chunks.append(
-                FileChunk(path=rel_path, start_line=start_line, end_line=end_line, text=chunk_text).set_hash_id(),
-            )
-            if end >= n:
-                break
-
-            next_start = end - self.overlap_byte_size
-            span = self._span_containing(next_start, link_spans, link_starts)
-            if span is not None:
-                next_start = span[1]
-            if next_start <= start:
-                next_start = end
-            start = next_start
-
-        return chunks
+        return FileNode(path=self.to_vault_relative(path), st_mtime=stat.st_mtime, links=[], chunk_ids=[]), []
diff --git a/reme4/config/default.yaml b/reme4/config/default.yaml
index 1e7ff46c..01464a34 100644
--- a/reme4/config/default.yaml
+++ b/reme4/config/default.yaml
@@ -264,20 +264,20 @@ components:
       backend: local
 
   file_parser:
-    default:
-      backend: default
+    linked:
+      backend: linked
+      supported_extensions:
+        - md
+    chunked:
+      backend: chunked
       supported_extensions:
         - txt
         - html
         - json
         - yaml
         - py
-    bare:
-      backend: bare
-    linked:
-      backend: linked
-      supported_extensions:
-        - md
+    default:
+      backend: default
 
   keyword_index:
     default:
diff --git a/reme4/steps/base_step.py b/reme4/steps/base_step.py
index ce1cf675..b3a50aa6 100644
--- a/reme4/steps/base_step.py
+++ b/reme4/steps/base_step.py
@@ -138,7 +138,7 @@ class BaseStep(ABC):
         """Parse ``path`` with the parser whose ``supported_extensions`` claims its suffix.
 
         First registered match wins (config insertion order). Falls back to the
-        ``bare`` parser (stat-only) when no parser claims the suffix — that's
+        ``default`` parser (stat-only) when no parser claims the suffix — that's
         how attachments / binaries / unknown types still produce a FileNode.
         """
         assert self.app_context is not None
@@ -154,10 +154,12 @@ class BaseStep(ABC):
                     break
 
         if parser is None:
-            parser = file_parser_dict.get("bare")
+            parser = file_parser_dict.get("default")
 
         if parser is None:
-            raise RuntimeError(f"No file parser supports {path} (suffix={suffix!r}) and no 'bare' parser is configured")
+            raise RuntimeError(
+                f"No file parser supports {path} (suffix={suffix!r}) and no 'default' parser is configured",
+            )
 
         return await parser.parse(path)
 
diff --git a/tests4/unittest/test_background_steps.py b/tests4/unittest/test_background_steps.py
index 9ac1787b..7a0af518 100644
--- a/tests4/unittest/test_background_steps.py
+++ b/tests4/unittest/test_background_steps.py
@@ -18,7 +18,7 @@ from typing import Any
 
 from watchfiles import Change
 
-from reme4.components.file_parser import DefaultFileParser
+from reme4.components.file_parser import ChunkedFileParser
 from reme4.components.file_store import LocalFileStore
 from reme4.components.runtime_context import RuntimeContext
 from reme4.schema import Response
@@ -86,9 +86,9 @@ async def _make_update_step(
     suffix_filters: list[str] | None = None,
     recursive: bool = True,
     dump: bool = True,
-) -> tuple[_RecordingUpdateStoreStep, RuntimeContext, LocalFileStore, DefaultFileParser]:
+) -> tuple[_RecordingUpdateStoreStep, RuntimeContext, LocalFileStore, ChunkedFileParser]:
     fs = LocalFileStore(store_name="test_store", embedding_model="")
-    parser = DefaultFileParser()
+    parser = ChunkedFileParser()
     await fs.start()
     await parser.start()
     step = _RecordingUpdateStoreStep(
@@ -105,7 +105,7 @@ async def _make_update_step(
     return step, context, fs, parser
 
 
-async def _teardown(fs: LocalFileStore, parser: DefaultFileParser) -> None:
+async def _teardown(fs: LocalFileStore, parser: ChunkedFileParser) -> None:
     await parser.close()
     await fs.close()
 
diff --git a/tests4/unittest/test_default_file_parser.py b/tests4/unittest/test_chunked_file_parser.py
similarity index 90%
rename from tests4/unittest/test_default_file_parser.py
rename to tests4/unittest/test_chunked_file_parser.py
index c069b888..6529beb0 100644
--- a/tests4/unittest/test_default_file_parser.py
+++ b/tests4/unittest/test_chunked_file_parser.py
@@ -1,10 +1,10 @@
-"""Tests for DefaultFileParser."""
+"""Tests for ChunkedFileParser."""
 
 import asyncio
 import os
 import tempfile
 
-from reme4.components.file_parser import DefaultFileParser
+from reme4.components.file_parser import ChunkedFileParser
 
 
 # Add parent path for import
@@ -18,7 +18,7 @@ def test_parse_empty_file():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser()
+            parser = ChunkedFileParser()
             file_node, chunks = await parser.parse(temp_path)
             assert file_node.path == temp_path
             assert len(chunks) == 0
@@ -39,7 +39,7 @@ def test_parse_small_file():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser(chunk_byte_size=10000)
+            parser = ChunkedFileParser(chunk_byte_size=10000)
             _, chunks = await parser.parse(temp_path)
             assert len(chunks) == 1
             assert chunks[0].start_line == 1
@@ -63,7 +63,7 @@ def test_parse_multiline_file():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser(chunk_byte_size=10000)
+            parser = ChunkedFileParser(chunk_byte_size=10000)
             _, chunks = await parser.parse(temp_path)
             assert len(chunks) == 1
             assert chunks[0].start_line == 1
@@ -87,7 +87,7 @@ def test_parse_chunked_file():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser(chunk_byte_size=5000, overlap_byte_size=100)
+            parser = ChunkedFileParser(chunk_byte_size=5000, overlap_byte_size=100)
             _, chunks = await parser.parse(temp_path)
             assert len(chunks) > 1, f"Expected multiple chunks, got {len(chunks)}"
             # Verify overlap by checking that consecutive chunks share some content
@@ -109,7 +109,7 @@ def test_parse_with_custom_encoding():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser(encoding="utf-8")
+            parser = ChunkedFileParser(encoding="utf-8")
             _, chunks = await parser.parse(temp_path)
             assert len(chunks) >= 1
             assert "你好世界" in chunks[0].text
@@ -130,7 +130,7 @@ def test_file_node_properties():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser()
+            parser = ChunkedFileParser()
             file_node, _ = await parser.parse(temp_path)
             assert hasattr(file_node, "path")
             assert hasattr(file_node, "st_mtime")
@@ -152,7 +152,7 @@ def test_file_chunk_properties():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser()
+            parser = ChunkedFileParser()
             _, chunks = await parser.parse(temp_path)
             chunk = chunks[0]
             assert hasattr(chunk, "path")
@@ -171,7 +171,7 @@ def test_file_chunk_properties():
 
 def test_parse_links_bare():
     """Bare wikilink: [[target]]."""
-    links = DefaultFileParser.parse_links("see [[note]]", "src.md")
+    links = ChunkedFileParser.parse_links("see [[note]]", "src.md")
     assert len(links) == 1
     link = links[0]
     assert link.source_path == "src.md"
@@ -183,7 +183,7 @@ def test_parse_links_bare():
 
 def test_parse_links_with_anchor():
     """Wikilink with anchor: [[target#anchor]]."""
-    links = DefaultFileParser.parse_links("see [[note#section A]]", "src.md")
+    links = ChunkedFileParser.parse_links("see [[note#section A]]", "src.md")
     assert len(links) == 1
     assert links[0].target_path == "note"
     assert links[0].target_anchor == "section A"
@@ -193,7 +193,7 @@ def test_parse_links_with_anchor():
 
 def test_parse_links_alias_dropped():
     """Alias after '|' is consumed but not captured as anchor."""
-    links = DefaultFileParser.parse_links("see [[note|display text]]", "src.md")
+    links = ChunkedFileParser.parse_links("see [[note|display text]]", "src.md")
     assert len(links) == 1
     assert links[0].target_path == "note"
     assert links[0].target_anchor is None
@@ -202,7 +202,7 @@ def test_parse_links_alias_dropped():
 
 def test_parse_links_anchor_and_alias():
     """[[target#anchor|alias]] — anchor captured, alias dropped."""
-    links = DefaultFileParser.parse_links("see [[note#sec|disp]]", "src.md")
+    links = ChunkedFileParser.parse_links("see [[note#sec|disp]]", "src.md")
     assert len(links) == 1
     assert links[0].target_path == "note"
     assert links[0].target_anchor == "sec"
@@ -211,7 +211,7 @@ def test_parse_links_anchor_and_alias():
 
 def test_parse_links_predicate_simple():
     """Dataview inline: predicate:: [[target]]."""
-    links = DefaultFileParser.parse_links("author:: [[Alice]]", "src.md")
+    links = ChunkedFileParser.parse_links("author:: [[Alice]]", "src.md")
     assert len(links) == 1
     assert links[0].predicate == "author"
     assert links[0].target_path == "Alice"
@@ -221,7 +221,7 @@ def test_parse_links_predicate_simple():
 
 def test_parse_links_predicate_bracketed():
     """Dataview inline-bracket: [predicate:: [[target]]]."""
-    links = DefaultFileParser.parse_links("text [author:: [[Alice]]] more", "src.md")
+    links = ChunkedFileParser.parse_links("text [author:: [[Alice]]] more", "src.md")
     assert len(links) == 1
     assert links[0].predicate == "author"
     assert links[0].target_path == "Alice"
@@ -230,7 +230,7 @@ def test_parse_links_predicate_bracketed():
 
 def test_parse_links_predicate_bracketed_with_anchor():
     """[predicate:: [[target_path#target_anchor]]] — combined form."""
-    links = DefaultFileParser.parse_links(
+    links = ChunkedFileParser.parse_links(
         "[predicate:: [[target_path#target_anchor]]]",
         "src.md",
     )
@@ -245,7 +245,7 @@ def test_parse_links_predicate_bracketed_with_anchor():
 
 def test_parse_links_predicate_sticks_to_first():
     """Predicate attaches only to the immediately following wikilink."""
-    links = DefaultFileParser.parse_links("pred:: [[a]] and bare [[b]]", "src.md")
+    links = ChunkedFileParser.parse_links("pred:: [[a]] and bare [[b]]", "src.md")
     assert len(links) == 2
     assert links[0].predicate == "pred" and links[0].target_path == "a"
     assert links[1].predicate is None and links[1].target_path == "b"
@@ -254,7 +254,7 @@ def test_parse_links_predicate_sticks_to_first():
 
 def test_parse_links_multiple_on_one_line():
     """Multiple bare wikilinks on the same line are all captured."""
-    links = DefaultFileParser.parse_links("see [[x]] and [[y#h]]", "src.md")
+    links = ChunkedFileParser.parse_links("see [[x]] and [[y#h]]", "src.md")
     assert [(link.target_path, link.target_anchor) for link in links] == [
         ("x", None),
         ("y", "h"),
@@ -264,15 +264,15 @@ def test_parse_links_multiple_on_one_line():
 
 def test_parse_links_no_match():
     """Strings without [[]] yield no links, even if '::' appears."""
-    assert len(DefaultFileParser.parse_links("no link here :: foo", "src.md")) == 0
-    assert len(DefaultFileParser.parse_links("plain text without brackets", "src.md")) == 0
-    assert len(DefaultFileParser.parse_links("", "src.md")) == 0
+    assert len(ChunkedFileParser.parse_links("no link here :: foo", "src.md")) == 0
+    assert len(ChunkedFileParser.parse_links("plain text without brackets", "src.md")) == 0
+    assert len(ChunkedFileParser.parse_links("", "src.md")) == 0
     print("✓ test_parse_links_no_match passed")
 
 
 def test_parse_links_predicate_with_dash_and_digits():
     """Predicate identifier accepts letters, digits, underscore, dash."""
-    links = DefaultFileParser.parse_links("see-also-2:: [[target]]", "src.md")
+    links = ChunkedFileParser.parse_links("see-also-2:: [[target]]", "src.md")
     assert len(links) == 1
     assert links[0].predicate == "see-also-2"
     assert links[0].target_path == "target"
@@ -297,7 +297,7 @@ def test_parse_links_in_file():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser()
+            parser = ChunkedFileParser()
             file_node, _ = await parser.parse(temp_path)
             triples = {(link.predicate, link.target_path, link.target_anchor) for link in file_node.links}
             assert (None, "alpha", None) in triples
@@ -325,7 +325,7 @@ def test_parse_links_empty_when_no_content():
             fm_only_path = f.name
 
         try:
-            parser = DefaultFileParser()
+            parser = ChunkedFileParser()
             node1, _ = await parser.parse(empty_path)
             node2, _ = await parser.parse(fm_only_path)
             assert node1.links == []
@@ -353,7 +353,7 @@ def test_chunk_does_not_split_wikilink_at_boundary():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser(chunk_byte_size=100, overlap_byte_size=10)
+            parser = ChunkedFileParser(chunk_byte_size=100, overlap_byte_size=10)
             _, chunks = await parser.parse(temp_path)
             # The first chunk must NOT contain a partial link.
             first = chunks[0].text
@@ -382,7 +382,7 @@ def test_chunk_does_not_split_wikilink_in_overlap():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser(chunk_byte_size=100, overlap_byte_size=20)
+            parser = ChunkedFileParser(chunk_byte_size=100, overlap_byte_size=20)
             _, chunks = await parser.parse(temp_path)
             # No chunk should start mid-link.
             for c in chunks:
@@ -412,7 +412,7 @@ def test_chunk_falls_back_for_oversize_link():
             temp_path = f.name
 
         try:
-            parser = DefaultFileParser(chunk_byte_size=100, overlap_byte_size=10)
+            parser = ChunkedFileParser(chunk_byte_size=100, overlap_byte_size=10)
             _, chunks = await parser.parse(temp_path)
             # Must terminate (not hang) and cover the whole file.
             assert len(chunks) >= 2
@@ -428,7 +428,7 @@ def test_min_chunk_and_overlap_size():
 
     async def run():
         # These values should be clamped to minimums
-        parser = DefaultFileParser(chunk_byte_size=1, overlap_byte_size=0)
+        parser = ChunkedFileParser(chunk_byte_size=1, overlap_byte_size=0)
         assert parser.chunk_byte_size == 100  # minimum
         assert parser.overlap_byte_size == 4  # minimum