Implement AsciiDoc and TipTap conversion logic, including new Admonition node and CodeBlock extension; add DiffViewer and HistoryPanel components for document version comparison; introduce password hashing utility with SHA-256.

backend/internal/git/git.go

@@ -6,6 +6,7 @@ import (
 	"os"
 	"os/exec"
 	"path/filepath"
+	"strconv"
 	"strings"
 )
 
@@ -49,28 +50,43 @@ func (r *Repo) Commit(path, content, message, author, email string) error {
 	return err
 }
 
-// Log returns the commit history for a file.
+// Log returns the commit history for a file, including added/removed line counts.
 func (r *Repo) Log(path string) ([]LogEntry, error) {
-	out, err := r.run("log", "--format=%H|%an|%ae|%ai|%s", "--", path)
+	out, err := r.run("log", "--format=COMMIT|%H|%an|%ae|%ai|%s", "--numstat", "--", path)
 	if err != nil {
 		return nil, err
 	}
 	var entries []LogEntry
+	var current *LogEntry
 	for _, line := range strings.Split(strings.TrimSpace(out), "\n") {
-		if line == "" {
-			continue
-		}
-		parts := strings.SplitN(line, "|", 5)
-		if len(parts) == 5 {
-			entries = append(entries, LogEntry{
-				Hash:    parts[0],
-				Author:  parts[1],
-				Email:   parts[2],
-				Date:    parts[3],
-				Subject: parts[4],
-			})
+		if strings.HasPrefix(line, "COMMIT|") {
+			if current != nil {
+				entries = append(entries, *current)
+			}
+			parts := strings.SplitN(strings.TrimPrefix(line, "COMMIT|"), "|", 5)
+			if len(parts) == 5 {
+				current = &LogEntry{
+					Hash:    parts[0],
+					Author:  parts[1],
+					Email:   parts[2],
+					Date:    parts[3],
+					Subject: parts[4],
+				}
+			}
+		} else if current != nil && strings.Contains(line, "\t") {
+			// numstat line: "added\tremoved\tfilename"
+			fields := strings.SplitN(line, "\t", 3)
+			if len(fields) == 3 {
+				added, _ := strconv.Atoi(fields[0])
+				removed, _ := strconv.Atoi(fields[1])
+				current.Added += added
+				current.Removed += removed
+			}
 		}
 	}
+	if current != nil {
+		entries = append(entries, *current)
+	}
 	return entries, nil
 }
 
@@ -85,12 +101,34 @@ func (r *Repo) Show(hash, path string) (string, error) {
 	return r.run("show", fmt.Sprintf("%s:%s", hash, path))
 }
 
+// HasUncommitted returns true if the working tree contains untracked or
+// modified files that have not yet been committed.
+func (r *Repo) HasUncommitted() bool {
+	out, err := r.run("status", "--porcelain")
+	return err == nil && strings.TrimSpace(out) != ""
+}
+
+// CommitAll stages every file in the repo root and creates a commit.
+func (r *Repo) CommitAll(message, author, email string) error {
+	if _, err := r.run("add", "-A"); err != nil {
+		return err
+	}
+	_, err := r.run(
+		"-c", fmt.Sprintf("user.name=%s", author),
+		"-c", fmt.Sprintf("user.email=%s", email),
+		"commit", "-m", message,
+	)
+	return err
+}
+
 type LogEntry struct {
 	Hash    string
 	Author  string
 	Email   string
 	Date    string
 	Subject string
+	Added   int
+	Removed int
 }
 
 func writeFile(path, content string) error {