store: use core synthetic types via aliases, remove local implementations

internal/p9/batchstore.go

@@ -89,15 +89,15 @@ func (s *BatchStore) List() ([]os.DirEntry, error) {
 func (s *BatchStore) Stat(name string) (os.FileInfo, error) {
 	switch name {
 	case "new":
-		return &syntheticFileInfo{name: "new", mode: 0666, size: int64(len(batchNewTemplate))}, nil
+		return &syntheticFileInfo{Name_: "new", Mode_: 0666, Size_: int64(len(batchNewTemplate))}, nil
 	case "idx":
-		return &syntheticFileInfo{name: "idx", mode: 0444, size: int64(len(s.index()))}, nil
+		return &syntheticFileInfo{Name_: "idx", Mode_: 0444, Size_: int64(len(s.index()))}, nil
 	}
 	s.mu.RLock()
 	_, ok := s.jobs[name]
 	s.mu.RUnlock()
 	if ok {
-		return &syntheticFileInfo{name: name, mode: 0555, isDir: true}, nil
+		return &syntheticFileInfo{Name_: name, Mode_: 0555, IsDir_: true}, nil
 	}
 	return nil, fmt.Errorf("%s: not found", name)
 }
@@ -449,7 +449,7 @@ func (js *BatchJobStore) Stat(name string) (os.FileInfo, error) {
 			} else {
 				size = int64(len(js.content(name)))
 			}
-			return &syntheticFileInfo{name: name, mode: f.mode, size: size}, nil
+			return &syntheticFileInfo{Name_: name, Mode_: f.mode, Size_: size}, nil
 		}
 	}
 	return nil, fmt.Errorf("%s: not found", name)

internal/p9/sessionfilestore.go

@@ -77,7 +77,7 @@ func (s *SessionFileStore) Stat(name string) (os.FileInfo, error) {
 			default:
 				size = int64(len(s.content(name)))
 			}
-			return &syntheticFileInfo{name: name, mode: f.mode, size: size}, nil
+			return &syntheticFileInfo{Name_: name, Mode_: f.mode, Size_: size}, nil
 		}
 	}
 	return nil, fmt.Errorf("%s: not found", name)

internal/p9/sessionstore.go

@@ -44,13 +44,13 @@ func (s *SessionStore) List() ([]os.DirEntry, error) {
 
 func (s *SessionStore) Stat(name string) (os.FileInfo, error) {
 	if mode, ok := sessionStoreFiles[name]; ok {
-		return &syntheticFileInfo{name: name, mode: mode}, nil
+		return &syntheticFileInfo{Name_: name, Mode_: mode}, nil
 	}
 	s.srv.mu.RLock()
 	_, ok := s.srv.sessions[name]
 	s.srv.mu.RUnlock()
 	if ok {
-		return &syntheticFileInfo{name: name, mode: 0555, isDir: true}, nil
+		return &syntheticFileInfo{Name_: name, Mode_: 0555, IsDir_: true}, nil
 	}
 	return nil, fmt.Errorf("%s: not found", name)
 }

internal/p9/skillstore.go

@@ -74,13 +74,13 @@ func readSkill(name string) ([]byte, error) {
 
 func (s *SkillStore) Stat(name string) (os.FileInfo, error) {
 	if name == "idx" {
-		return &syntheticFileInfo{name: "idx", mode: 0444}, nil
+		return &syntheticFileInfo{Name_: "idx", Mode_: 0444}, nil
 	}
 	skillName := strings.TrimSuffix(name, ".md")
 	if _, err := readSkill(skillName); err != nil {
 		return nil, fmt.Errorf("%s: not found", name)
 	}
-	return &syntheticFileInfo{name: name, mode: 0666}, nil
+	return &syntheticFileInfo{Name_: name, Mode_: 0666}, nil
 }
 
 func (s *SkillStore) List() ([]os.DirEntry, error) {

internal/p9/store.go

@@ -2,7 +2,6 @@ package p9
 
 import (
 	"os"
-	"time"
 
 	"ollie/pkg/store"
 )
@@ -15,52 +14,18 @@ type (
 	BlobStore      = store.BlobStore
 	Store          = store.Store
 	FlatDirStore   = store.FlatDir
+
+	syntheticFileInfo = store.SyntheticFileInfo
 )
 
 func NewFlatDirStore(dir string, perm os.FileMode) *FlatDirStore {
 	return store.NewFlatDir(dir, perm)
 }
 
-// syntheticFileInfo implements os.FileInfo for entries with no backing file.
-type syntheticFileInfo struct {
-	name  string
-	mode  os.FileMode
-	size  int64
-	isDir bool
-}
-
-func (f *syntheticFileInfo) Name() string       { return f.name }
-func (f *syntheticFileInfo) Size() int64        { return f.size }
-func (f *syntheticFileInfo) Mode() os.FileMode  { return f.mode }
-func (f *syntheticFileInfo) ModTime() time.Time { return time.Time{} }
-func (f *syntheticFileInfo) IsDir() bool        { return f.isDir }
-func (f *syntheticFileInfo) Sys() any           { return nil }
-
-// syntheticEntryImpl implements os.DirEntry for entries with no backing file.
-type syntheticEntryImpl struct {
-	name  string
-	mode  os.FileMode
-	isDir bool
-}
-
-func (e *syntheticEntryImpl) Name() string      { return e.name }
-func (e *syntheticEntryImpl) IsDir() bool       { return e.isDir }
-func (e *syntheticEntryImpl) Type() os.FileMode {
-	if e.isDir {
-		return os.ModeDir
-	}
-	return 0
-}
-func (e *syntheticEntryImpl) Info() (os.FileInfo, error) {
-	return &syntheticFileInfo{name: e.name, mode: e.mode, isDir: e.isDir}, nil
-}
-
-// syntheticEntry returns a synthetic file DirEntry.
 func syntheticEntry(name string, mode os.FileMode) os.DirEntry {
-	return &syntheticEntryImpl{name: name, mode: mode}
+	return store.FileEntry(name, mode)
 }
 
-// syntheticDirEntry returns a synthetic directory DirEntry.
 func syntheticDirEntry(name string, mode os.FileMode) os.DirEntry {
-	return &syntheticEntryImpl{name: name, mode: mode, isDir: true}
+	return store.DirEntry(name, mode)
 }

internal/p9/toolstore.go

@@ -21,7 +21,7 @@ func NewToolStore() *ToolStore {
 
 func (s *ToolStore) Stat(name string) (os.FileInfo, error) {
 	if name == "idx" {
-		return &syntheticFileInfo{name: "idx", mode: 0444}, nil
+		return &syntheticFileInfo{Name_: "idx", Mode_: 0444}, nil
 	}
 	return s.FlatDirStore.Stat(name)
 }