feat: roadmap items #7 #8 #9 #10 — recent files, semver tag, search filters, dedup

- #7: Section « Récents » dans la page d'accueil vault (5 derniers fichiers)
- #8: Git tag v1.8.0
- #9: Filtres search avancés created:/modified:/size: avec parsing dates/sizes
- #10: Déduplication IGNORED_DIRS (indexer.py source unique, watcher+main importent)
- ROADMAP: tous les items marqués FAIT, version → 1.9.0

backend/main.py

@@ -36,6 +36,7 @@ from backend.indexer import (
     parse_markdown_file,
     _extract_tags,
     SUPPORTED_EXTENSIONS,
+    IGNORED_DIRS,
     update_single_file,
     remove_single_file,
     handle_file_move,
@@ -2445,6 +2446,9 @@ async def api_advanced_search(
     regex: bool = Query(False, description="Treat query as regex"),
     include_paths: Optional[str] = Query(None, description="Comma-separated glob patterns to include"),
     exclude_paths: Optional[str] = Query(None, description="Comma-separated glob patterns to exclude"),
+    created: Optional[str] = Query(None, description="Created date filter (>date, <date, date..date)"),
+    modified: Optional[str] = Query(None, description="Modified date filter (>date, <date, date..date, <Nd)"),
+    size: Optional[str] = Query(None, description="Size filter (>size, <size, size..size, e.g. >1MB, <10KB)"),
     current_user=Depends(require_auth),
 ):
     """Advanced full-text search with TF-IDF scoring, facets, and pagination.
@@ -2455,6 +2459,9 @@ async def api_advanced_search(
     - ``title:<text>`` — filter by title substring
     - ``path:<text>`` — filter by path substring
     - ``ext:<type>`` — filter by file extension
+    - ``created:>2024-01-01`` — filter by creation date
+    - ``modified:<7d`` or ``modified:2024-01-01..2024-06-01`` — filter by modification date
+    - ``size:>1MB`` or ``size:100KB..1MB`` — filter by file size
     - Remaining text is scored using TF-IDF with accent normalization.
     - Toggles: case_sensitive, whole_word, regex
     - Path filters: include_paths, exclude_paths (glob patterns)
@@ -2467,7 +2474,8 @@ async def api_advanced_search(
         partial(advanced_search, q, vault_filter=vault, tag_filter=tag,
                 limit=limit, offset=offset, sort_by=sort,
                 case_sensitive=case_sensitive, whole_word=whole_word, regex=regex,
-                include_paths=include_paths, exclude_paths=exclude_paths),
+                include_paths=include_paths, exclude_paths=exclude_paths,
+                created=created, modified=modified, size=size),
     )
 
 
@@ -3146,7 +3154,6 @@ async def api_vault_recent_files(
         raise HTTPException(status_code=404, detail=f"Directory not found: {dir}")
 
     files = []
-    ignored = {'.obsidian', '.trash', '.git', '.obsigate-backup', '__pycache__', 'node_modules'}
     dir_prefix = (dir or "").strip("/")
 
     try:
@@ -3156,7 +3163,7 @@ async def api_vault_recent_files(
                 continue
             if entry.name.startswith('.'):
                 continue
-            if entry.name in ignored:
+            if entry.name in IGNORED_DIRS:
                 continue
 
             # Skip entries whose parent dir chain contains an ignored dir (for rglob)
@@ -3164,7 +3171,7 @@ async def api_vault_recent_files(
                 skip = False
                 try:
                     for part in entry.relative_to(dir_path).parts[:-1]:
-                        if part.startswith('.') or part in ignored:
+                        if part.startswith('.') or part in IGNORED_DIRS:
                             skip = True
                             break
                 except ValueError: